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Code Issues Releases Wiki Activity

added bittorrent support(experimental)

pull/1/head
Tatsuhiro Tsujikawa 2006-03-21 14:12:51 +00:00
parent a59301bef0
commit df6c7c0385
105 changed files with 7902 additions and 355 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2006-03-17 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
* SocketCore.cc: remove the assignment of addrinfo.ai_addr.
2006-03-09 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
* ChunkedEncoding.{h,cc}: fixed the bug that if chunk data is binary,

6
TODO
View File

@ -5,4 +5,8 @@
* Better HTTP status handling
* Download files listed in a specifed file.
* check MD5 checksum
* Add the feature which adds or removes URLs on-the-fly.
* Add the feature which adds or removes URLs on-the-fly.
* Tracker UDP protocol
* no-compact peers format
* Add port range command-line option
* Add max peers command-line option

191
po/aria2c.pot
View File

@ -8,7 +8,7 @@ msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: http://aria2.sourceforge.net/\n"
"POT-Creation-Date: 2006-03-07 22:57+0900\n"
"POT-Creation-Date: 2006-03-21 23:10+0900\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
@ -77,122 +77,135 @@ msgstr ""
msgid "CUID#%d - Unregistering cuid from segmentManager."
msgstr ""
#: src/message.h:39
#: src/message.h:48
#, c-format
msgid "The segment file %s exists."
msgstr ""
#: src/message.h:40
#: src/message.h:49
#, c-format
msgid "The segment file %s does not exist."
msgstr ""
#: src/message.h:41
#: src/message.h:50
#, c-format
msgid "Saving the segment file %s"
msgstr ""
#: src/message.h:42
#: src/message.h:51
msgid "The segment file was saved successfully."
msgstr ""
#: src/message.h:43
#: src/message.h:52
#, c-format
msgid "Loading the segment file %s."
msgstr ""
#: src/message.h:44
#: src/message.h:53
msgid "The segment file was loaded successfully."
msgstr ""
#: src/message.h:46
#: src/message.h:55
msgid "Timeout."
msgstr ""
#: src/message.h:47
#: src/message.h:56
msgid "Invalid chunk size."
msgstr ""
#: src/message.h:48
#: src/message.h:57
#, c-format
msgid "Too large chunk. size = %d"
msgstr ""
#: src/message.h:49
#: src/message.h:58
msgid "Invalid header."
msgstr ""
#: src/message.h:50
#: src/message.h:59
msgid "Invalid response."
msgstr ""
#: src/message.h:51
#: src/message.h:60
msgid "No header found."
msgstr ""
#: src/message.h:52
#: src/message.h:61
msgid "No status header."
msgstr ""
#: src/message.h:53
#: src/message.h:62
msgid "Proxy connection failed."
msgstr ""
#: src/message.h:54
#: src/message.h:63
msgid "Connection failed."
msgstr ""
#: src/message.h:55
#: src/message.h:64
#, c-format
msgid ""
"The requested filename and the previously registered one are not same. %s != "
"%s"
msgstr ""
#: src/message.h:56
#: src/message.h:65
#, c-format
msgid "The response status is not successful. status = %d"
msgstr ""
#: src/message.h:57
#: src/message.h:66
#, c-format
msgid "Too large file size. size = %lld"
msgstr ""
#: src/message.h:58
#: src/message.h:67
#, c-format
msgid "Transfer encoding %s is not supported."
msgstr ""
#: src/message.h:59
#: src/message.h:68
msgid "SSL initialization failed."
msgstr ""
#: src/message.h:60
#: src/message.h:69
#, c-format
msgid "Size mismatch %lld != %lld"
msgstr ""
#: src/message.h:61
#: src/message.h:70
msgid "Got EOF from the server."
msgstr ""
#: src/main.cc:57
#: src/main.cc:58
#, c-format
msgid ""
"\n"
"The download was complete. <%s>\n"
msgstr ""
#: src/main.cc:62
msgid ""
"\n"
"The download was not complete because of errors. Check the log.\n"
msgstr ""
#: src/main.cc:73 src/main.cc:82
msgid ""
"\n"
"SIGINT signal received."
msgstr ""
#: src/main.cc:72
#: src/main.cc:104
#, c-format
msgid "Unrecognized URL or unsupported protocol: %s\n"
msgstr ""
#: src/main.cc:78
#: src/main.cc:110
msgid " version "
msgstr ""
#: src/main.cc:82
#: src/main.cc:114
msgid ""
"This program is free software; you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
@ -209,40 +222,40 @@ msgid ""
"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
msgstr ""
#: src/main.cc:96
#: src/main.cc:128
#, c-format
msgid "Contact Info: %s\n"
msgstr ""
#: src/main.cc:102
#: src/main.cc:134
#, c-format
msgid "Usage: %s [options] URL ...\n"
msgstr ""
#: src/main.cc:104
#: src/main.cc:136
msgid "Options:"
msgstr ""
#: src/main.cc:105
#: src/main.cc:137
msgid " -d, --dir=DIR The directory to store downloaded file."
msgstr ""
#: src/main.cc:106
#: src/main.cc:138
msgid " -o, --out=FILE The file name for downloaded file."
msgstr ""
#: src/main.cc:107
#: src/main.cc:139
msgid ""
" -l, --log=LOG The file path to store log. If '-' is "
"specified,\n"
" log is written to stdout."
msgstr ""
#: src/main.cc:109
#: src/main.cc:141
msgid " -D, --daemon Run as daemon."
msgstr ""
#: src/main.cc:110
#: src/main.cc:142
msgid ""
" -s, --split=N Download a file using N connections. N must "
"be\n"
@ -252,24 +265,24 @@ msgid ""
" N connections."
msgstr ""
#: src/main.cc:114
#: src/main.cc:146
msgid ""
" --retry-wait=SEC Set amount of time in second between requests\n"
" for errors. Specify a value between 0 and 60.\n"
" Default: 5"
msgstr ""
#: src/main.cc:117
#: src/main.cc:149
msgid " -t, --timeout=SEC Set timeout in second. Default: 60"
msgstr ""
#: src/main.cc:118
#: src/main.cc:150
msgid ""
" -m, --max-tries=N Set number of tries. 0 means unlimited.\n"
" Default: 5"
msgstr ""
#: src/main.cc:120
#: src/main.cc:152
msgid ""
" --min-segment-size=SIZE[K|M] Set minimum segment size. You can append\n"
" K or M(1K = 1024, 1M = 1024K). This\n"
@ -277,40 +290,40 @@ msgid ""
" 1024."
msgstr ""
#: src/main.cc:124
#: src/main.cc:156
msgid ""
" --http-proxy=HOST:PORT Use HTTP proxy server. This affects to all\n"
" URLs."
msgstr ""
#: src/main.cc:126
#: src/main.cc:158
msgid " --http-user=USER Set HTTP user. This affects to all URLs."
msgstr ""
#: src/main.cc:127
#: src/main.cc:159
msgid ""
" --http-passwd=PASSWD Set HTTP password. This affects to all URLs."
msgstr ""
#: src/main.cc:128
#: src/main.cc:160
msgid ""
" --http-proxy-user=USER Set HTTP proxy user. This affects to all URLs"
msgstr ""
#: src/main.cc:129
#: src/main.cc:161
msgid ""
" --http-proxy-passwd=PASSWD Set HTTP proxy password. This affects to all "
"URLs."
msgstr ""
#: src/main.cc:130
#: src/main.cc:162
msgid ""
" --http-proxy-method=METHOD Set the method to use in proxy request.\n"
" METHOD is either 'get' or 'tunnel'.\n"
" Default: tunnel"
msgstr ""
#: src/main.cc:133
#: src/main.cc:165
msgid ""
" --http-auth-scheme=SCHEME Set HTTP authentication scheme. Currently, "
"basic\n"
@ -321,23 +334,23 @@ msgid ""
" as well as --http-user and --http-passwd."
msgstr ""
#: src/main.cc:137
#: src/main.cc:169
msgid " --referer=REFERER Set Referer. This affects to all URLs."
msgstr ""
#: src/main.cc:138
#: src/main.cc:170
msgid ""
" --ftp-user=USER Set FTP user. This affects to all URLs.\n"
" Default: anonymous"
msgstr ""
#: src/main.cc:140
#: src/main.cc:172
msgid ""
" --ftp-passwd=PASSWD Set FTP password. This affects to all URLs.\n"
" Default: ARIA2USER@"
msgstr ""
#: src/main.cc:142
#: src/main.cc:174
msgid ""
" --ftp-type=TYPE Set FTP transfer type. TYPE is either "
"'binary'\n"
@ -345,11 +358,11 @@ msgid ""
" Default: binary"
msgstr ""
#: src/main.cc:145
#: src/main.cc:177
msgid " -p, --ftp-pasv Use passive mode in FTP."
msgstr ""
#: src/main.cc:146
#: src/main.cc:178
msgid ""
" --ftp-via-http-proxy=METHOD Use HTTP proxy in FTP. METHOD is either 'get' "
"or\n"
@ -357,98 +370,106 @@ msgid ""
" Default: tunnel"
msgstr ""
#: src/main.cc:149
#: src/main.cc:181
msgid " --torrent-file=TORRENT_FILE The file path to .torrent file."
msgstr ""
#: src/main.cc:182
msgid ""
" --follow-torrent=true|false Setting this option to false prevents aria2 "
"to\n"
" enter BitTorrent mode even if the filename of\n"
" downloaded file ends with .torrent.\n"
" Default: true"
msgstr ""
#: src/main.cc:186
msgid " -v, --version Print the version number and exit."
msgstr ""
#: src/main.cc:150
#: src/main.cc:187
msgid " -h, --help Print this message and exit."
msgstr ""
#: src/main.cc:153
#: src/main.cc:190
msgid ""
" You can specify multiple URLs. All URLs must point to the same file\n"
" or downloading fails."
msgstr ""
#: src/main.cc:156
#: src/main.cc:193
msgid "Examples:"
msgstr ""
#: src/main.cc:157
#: src/main.cc:194
msgid " Download a file by 1 connection:"
msgstr ""
#: src/main.cc:159
#: src/main.cc:196
msgid " Download a file by 2 connections:"
msgstr ""
#: src/main.cc:161
#: src/main.cc:198
msgid " Download a file by 2 connections, each connects to a different server:"
msgstr ""
#: src/main.cc:163
#: src/main.cc:200
msgid " You can mix up different protocols:"
msgstr ""
#: src/main.cc:166
#: src/main.cc:202
msgid " Download a torrent"
msgstr ""
#: src/main.cc:205
#, c-format
msgid "Reports bugs to %s"
msgstr ""
#: src/main.cc:240
#: src/main.cc:284
msgid "unrecognized proxy format"
msgstr ""
#: src/main.cc:266
#: src/main.cc:310
msgid "Currently, supported authentication scheme is basic."
msgstr ""
#: src/main.cc:275
#: src/main.cc:319
msgid "retry-wait must be between 0 and 60."
msgstr ""
#: src/main.cc:292
#: src/main.cc:336
msgid "ftp-type must be either 'binary' or 'ascii'."
msgstr ""
#: src/main.cc:301
#: src/main.cc:345
msgid "ftp-via-http-proxy must be either 'get' or 'tunnel'."
msgstr ""
#: src/main.cc:319
#: src/main.cc:363
msgid "min-segment-size invalid"
msgstr ""
#: src/main.cc:330
#: src/main.cc:374
msgid "http-proxy-method must be either 'get' or 'tunnel'."
msgstr ""
#: src/main.cc:357
#: src/main.cc:388
msgid "follow-torrent must be either 'true' or 'false'."
msgstr ""
#: src/main.cc:414
msgid "split must be between 1 and 5."
msgstr ""
#: src/main.cc:367
#: src/main.cc:424
msgid "timeout must be between 1 and 600"
msgstr ""
#: src/main.cc:376
#: src/main.cc:433
msgid "max-tries invalid"
msgstr ""
#: src/main.cc:398
#: src/main.cc:456
msgid "specify at least one URL"
msgstr ""
#: src/main.cc:449
#, c-format
msgid ""
"\n"
"The download was complete. <%s>\n"
msgstr ""
#: src/main.cc:451
msgid ""
"\n"
"The download was not complete because of errors. Check the log.\n"
msgstr ""

BIN
po/ja.gmo
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201
po/ja.po
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@ -7,7 +7,7 @@ msgid ""
msgstr ""
"Project-Id-Version: aria2c 0.2.1\n"
"Report-Msgid-Bugs-To: http://aria2.sourceforge.net/\n"
"POT-Creation-Date: 2006-03-07 22:57+0900\n"
"POT-Creation-Date: 2006-03-21 23:10+0900\n"
"PO-Revision-Date: 2006-03-05 15:21+0900\n"
"Last-Translator: Tatsuhiro Tsujikawa <tujikawa@rednoah.com>\n"
"Language-Team: Japanese <ja@li.org>\n"
@ -85,107 +85,124 @@ msgstr ""
msgid "CUID#%d - Unregistering cuid from segmentManager."
msgstr "CUID#%d - cuid をセグメントマネジャーから削除します."
#: src/message.h:39
#: src/message.h:48
#, c-format
msgid "The segment file %s exists."
msgstr "セグメントファイル %s が存在します."
#: src/message.h:40
#: src/message.h:49
#, c-format
msgid "The segment file %s does not exist."
msgstr "セグメントファイル %s が存在しません."
#: src/message.h:41
#: src/message.h:50
#, c-format
msgid "Saving the segment file %s"
msgstr "セグメントファイル %s を保存しています."
#: src/message.h:42
#: src/message.h:51
msgid "The segment file was saved successfully."
msgstr "セグメントファイルの保存が完了しました."
#: src/message.h:43
#: src/message.h:52
#, c-format
msgid "Loading the segment file %s."
msgstr "セグメントファイル %s をロードしています."
#: src/message.h:44
#: src/message.h:53
msgid "The segment file was loaded successfully."
msgstr "セグメントファイルのロードが完了しました."
#: src/message.h:46
#: src/message.h:55
msgid "Timeout."
msgstr "タイムアウトしました."
#: src/message.h:47
#: src/message.h:56
msgid "Invalid chunk size."
msgstr "chunk サイズが不正です."
#: src/message.h:48
#: src/message.h:57
#, c-format
msgid "Too large chunk. size = %d"
msgstr "chunk サイズ (%d) が大きすぎます."
#: src/message.h:49
#: src/message.h:58
msgid "Invalid header."
msgstr "ヘッダーが不正です."
#: src/message.h:50
#: src/message.h:59
msgid "Invalid response."
msgstr "サーバーから不正なレスポンスを受け取りました."
#: src/message.h:51
#: src/message.h:60
msgid "No header found."
msgstr "ヘッダーが見つかりません."
#: src/message.h:52
#: src/message.h:61
msgid "No status header."
msgstr "status ヘッダーが見つかりません."
#: src/message.h:53
#: src/message.h:62
msgid "Proxy connection failed."
msgstr "Proxy 接続に失敗しました."
#: src/message.h:54
#: src/message.h:63
msgid "Connection failed."
msgstr "接続に失敗しました."
#: src/message.h:55
#: src/message.h:64
#, c-format
msgid ""
"The requested filename and the previously registered one are not same. %s != "
"%s"
msgstr "リクエストしたファイル名 (%s) と登録済みファイル名 (%s) が異なります."
#: src/message.h:56
#: src/message.h:65
#, c-format
msgid "The response status is not successful. status = %d"
msgstr "レスポンスのステータス (%d) が異常です."
#: src/message.h:57
#: src/message.h:66
#, c-format
msgid "Too large file size. size = %lld"
msgstr "ファイルサイズ (%lld) が大きすぎます."
#: src/message.h:58
#: src/message.h:67
#, c-format
msgid "Transfer encoding %s is not supported."
msgstr "トランスファー・エンコーディング %s はサポートされていません."
#: src/message.h:59
#: src/message.h:68
msgid "SSL initialization failed."
msgstr "SSL 初期化に失敗しました."
#: src/message.h:60
#: src/message.h:69
#, c-format
msgid "Size mismatch %lld != %lld"
msgstr "サイズが合いません (%lld != %lld)"
#: src/message.h:61
#: src/message.h:70
msgid "Got EOF from the server."
msgstr "サーバーから EOF を受けとりました."
#: src/main.cc:57
#: src/main.cc:58
#, c-format
msgid ""
"\n"
"The download was complete. <%s>\n"
msgstr ""
"\n"
"<%s> のダウンロードが完了しました.\n"
#: src/main.cc:62
msgid ""
"\n"
"The download was not complete because of errors. Check the log.\n"
msgstr ""
"\n"
"ダウンロードはエラーのため完了していません. ログを確認してください.\n"
#: src/main.cc:73 src/main.cc:82
msgid ""
"\n"
"SIGINT signal received."
@ -193,18 +210,18 @@ msgstr ""
"\n"
"SIGINT シグナルを受け取りました."
#: src/main.cc:72
#: src/main.cc:104
#, c-format
msgid "Unrecognized URL or unsupported protocol: %s\n"
msgstr ""
"%s は, 理解できない URL フォーマット, または, サポートされないプロトコルで"
"す.\n"
#: src/main.cc:78
#: src/main.cc:110
msgid " version "
msgstr " バージョン "
#: src/main.cc:82
#: src/main.cc:114
msgid ""
"This program is free software; you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
@ -235,31 +252,31 @@ msgstr ""
"Temple Place, Suite 330, Boston, MA 02111-1307 USA)。\n"
"(訳: http://www.opensource.jp/gpl/gpl.ja.html.euc-jp)\n"
#: src/main.cc:96
#: src/main.cc:128
#, c-format
msgid "Contact Info: %s\n"
msgstr "連絡先: %s\n"
#: src/main.cc:102
#: src/main.cc:134
#, c-format
msgid "Usage: %s [options] URL ...\n"
msgstr "使い方: %s [オプション] URL ...\n"
#: src/main.cc:104
#: src/main.cc:136
msgid "Options:"
msgstr "オプション:"
#: src/main.cc:105
#: src/main.cc:137
msgid " -d, --dir=DIR The directory to store downloaded file."
msgstr ""
" -d, --dir=DIR ダウンロードしたファイルを保存するディレクトリ."
#: src/main.cc:106
#: src/main.cc:138
msgid " -o, --out=FILE The file name for downloaded file."
msgstr ""
" -o, --out=FILE ダウンロードしたファイルの保存先ファイル名."
#: src/main.cc:107
#: src/main.cc:139
msgid ""
" -l, --log=LOG The file path to store log. If '-' is "
"specified,\n"
@ -269,11 +286,11 @@ msgstr ""
"力\n"
" に出力します."
#: src/main.cc:109
#: src/main.cc:141
msgid " -D, --daemon Run as daemon."
msgstr " -D, --daemon デーモンとして起動します."
#: src/main.cc:110
#: src/main.cc:142
msgid ""
" -s, --split=N Download a file using N connections. N must "
"be\n"
@ -292,7 +309,7 @@ msgstr ""
"ショ\n"
" ンを確立します."
#: src/main.cc:114
#: src/main.cc:146
msgid ""
" --retry-wait=SEC Set amount of time in second between requests\n"
" for errors. Specify a value between 0 and 60.\n"
@ -303,13 +320,13 @@ msgstr ""
" す. 0 - 60 の値を指定してください.\n"
" デフォルト値: 5"
#: src/main.cc:117
#: src/main.cc:149
msgid " -t, --timeout=SEC Set timeout in second. Default: 60"
msgstr ""
" -t, --timeout=SEC タイムアウトとなる時間を秒で指定します.\n"
" デフォルト値: 60"
#: src/main.cc:118
#: src/main.cc:150
msgid ""
" -m, --max-tries=N Set number of tries. 0 means unlimited.\n"
" Default: 5"
@ -318,7 +335,7 @@ msgstr ""
"行\n"
" します. デフォルト値: 5"
#: src/main.cc:120
#: src/main.cc:152
msgid ""
" --min-segment-size=SIZE[K|M] Set minimum segment size. You can append\n"
" K or M(1K = 1024, 1M = 1024K). This\n"
@ -331,7 +348,7 @@ msgstr ""
"1024K).\n"
" 1024 以上の値を指定してください."
#: src/main.cc:124
#: src/main.cc:156
msgid ""
" --http-proxy=HOST:PORT Use HTTP proxy server. This affects to all\n"
" URLs."
@ -340,14 +357,14 @@ msgstr ""
"シ\n"
" ョンはすべての URL に影響します."
#: src/main.cc:126
#: src/main.cc:158
msgid " --http-user=USER Set HTTP user. This affects to all URLs."
msgstr ""
" --http-user=USER HTTP での認証ユーザーを指定します. このオプショ"
"ン\n"
" はすべての URL に影響します."
#: src/main.cc:127
#: src/main.cc:159
msgid ""
" --http-passwd=PASSWD Set HTTP password. This affects to all URLs."
msgstr ""
@ -355,7 +372,7 @@ msgstr ""
"ショ\n"
" ンはすべての URL に影響します."
#: src/main.cc:128
#: src/main.cc:160
msgid ""
" --http-proxy-user=USER Set HTTP proxy user. This affects to all URLs"
msgstr ""
@ -365,7 +382,7 @@ msgstr ""
"ま\n"
" す."
#: src/main.cc:129
#: src/main.cc:161
msgid ""
" --http-proxy-passwd=PASSWD Set HTTP proxy password. This affects to all "
"URLs."
@ -376,7 +393,7 @@ msgstr ""
"し\n"
" ます."
#: src/main.cc:130
#: src/main.cc:162
msgid ""
" --http-proxy-method=METHOD Set the method to use in proxy request.\n"
" METHOD is either 'get' or 'tunnel'.\n"
@ -387,7 +404,7 @@ msgstr ""
" す. 'get' または 'tunnel' を指定してください.\n"
" デフォルト値: tunnel"
#: src/main.cc:133
#: src/main.cc:165
msgid ""
" --http-auth-scheme=SCHEME Set HTTP authentication scheme. Currently, "
"basic\n"
@ -405,14 +422,14 @@ msgstr ""
"定\n"
" する必要があります."
#: src/main.cc:137
#: src/main.cc:169
msgid " --referer=REFERER Set Referer. This affects to all URLs."
msgstr ""
" --referer=REFERER リファラーを指定します. このオプションはすべて"
"の\n"
" URL に影響します."
#: src/main.cc:138
#: src/main.cc:170
msgid ""
" --ftp-user=USER Set FTP user. This affects to all URLs.\n"
" Default: anonymous"
@ -422,7 +439,7 @@ msgstr ""
" はすべての URL に影響します.\n"
" デフォルト値: anonymous"
#: src/main.cc:140
#: src/main.cc:172
msgid ""
" --ftp-passwd=PASSWD Set FTP password. This affects to all URLs.\n"
" Default: ARIA2USER@"
@ -432,7 +449,7 @@ msgstr ""
" ンはすべての URL に影響します.\n"
" デフォルト値: ARIA2USER@"
#: src/main.cc:142
#: src/main.cc:174
msgid ""
" --ftp-type=TYPE Set FTP transfer type. TYPE is either "
"'binary'\n"
@ -443,11 +460,11 @@ msgstr ""
" 'ascii' を指定してください. デフォルト値: "
"binary"
#: src/main.cc:145
#: src/main.cc:177
msgid " -p, --ftp-pasv Use passive mode in FTP."
msgstr " -p, --ftp-pasv FTP で passive モードを使用します."
#: src/main.cc:146
#: src/main.cc:178
msgid ""
" --ftp-via-http-proxy=METHOD Use HTTP proxy in FTP. METHOD is either 'get' "
"or\n"
@ -460,16 +477,29 @@ msgstr ""
"く\n"
" ださい. デフォルト値: tunnel"
#: src/main.cc:149
#: src/main.cc:181
msgid " --torrent-file=TORRENT_FILE The file path to .torrent file."
msgstr ""
#: src/main.cc:182
msgid ""
" --follow-torrent=true|false Setting this option to false prevents aria2 "
"to\n"
" enter BitTorrent mode even if the filename of\n"
" downloaded file ends with .torrent.\n"
" Default: true"
msgstr ""
#: src/main.cc:186
msgid " -v, --version Print the version number and exit."
msgstr " -v, --version バージョン番号を表示し, 終了します."
#: src/main.cc:150
#: src/main.cc:187
msgid " -h, --help Print this message and exit."
msgstr ""
" -h, --help このヘルプメッセージを表示し, 終了します."
#: src/main.cc:153
#: src/main.cc:190
msgid ""
" You can specify multiple URLs. All URLs must point to the same file\n"
" or downloading fails."
@ -478,88 +508,81 @@ msgstr ""
"れ\n"
" ばなりません. さもなくばダウンロードは失敗します."
#: src/main.cc:156
#: src/main.cc:193
msgid "Examples:"
msgstr "例:"
#: src/main.cc:157
#: src/main.cc:194
msgid " Download a file by 1 connection:"
msgstr " 1 コネクションでのダウンロード:"
#: src/main.cc:159
#: src/main.cc:196
msgid " Download a file by 2 connections:"
msgstr " 2 コネクションでのダウンロード:"
#: src/main.cc:161
#: src/main.cc:198
msgid " Download a file by 2 connections, each connects to a different server:"
msgstr " 二つの異なるサーバーに接続してダウンロード:"
#: src/main.cc:163
#: src/main.cc:200
msgid " You can mix up different protocols:"
msgstr " 異なるプロトコルを混合させてダウンロード:"
#: src/main.cc:166
#: src/main.cc:202
#, fuzzy
msgid " Download a torrent"
msgstr "CUID#%d - ダウンロードを中止します."
#: src/main.cc:205
#, c-format
msgid "Reports bugs to %s"
msgstr "バグレポートはこちらへ: %s"
#: src/main.cc:240
#: src/main.cc:284
msgid "unrecognized proxy format"
msgstr "理解できないProxyフォーマットです."
#: src/main.cc:266
#: src/main.cc:310
msgid "Currently, supported authentication scheme is basic."
msgstr "現在サポートされている認証方法は basic です."
#: src/main.cc:275
#: src/main.cc:319
msgid "retry-wait must be between 0 and 60."
msgstr "retry-wait は 0 から 60 の間で指定してください."
#: src/main.cc:292
#: src/main.cc:336
msgid "ftp-type must be either 'binary' or 'ascii'."
msgstr "ftp-type は 'binary' または 'ascii' を指定してください."
#: src/main.cc:301
#: src/main.cc:345
msgid "ftp-via-http-proxy must be either 'get' or 'tunnel'."
msgstr "ftp-via-http-proxy は 'get' または 'tunnel' を指定してください."
#: src/main.cc:319
#: src/main.cc:363
msgid "min-segment-size invalid"
msgstr "min-segment-size が不正です."
#: src/main.cc:330
#: src/main.cc:374
msgid "http-proxy-method must be either 'get' or 'tunnel'."
msgstr "http-proxy-method は 'get' または 'tunnel' を指定してください."
#: src/main.cc:357
#: src/main.cc:388
#, fuzzy
msgid "follow-torrent must be either 'true' or 'false'."
msgstr "ftp-type は 'binary' または 'ascii' を指定してください."
#: src/main.cc:414
msgid "split must be between 1 and 5."
msgstr "split は 1 - 5 の値を指定してください."
#: src/main.cc:367
#: src/main.cc:424
msgid "timeout must be between 1 and 600"
msgstr "timeout は 1 - 600 の値を指定してください."
#: src/main.cc:376
#: src/main.cc:433
msgid "max-tries invalid"
msgstr "max-tries が不正です."
#: src/main.cc:398
#: src/main.cc:456
msgid "specify at least one URL"
msgstr "一個以上の URL を指定してください."
#: src/main.cc:449
#, c-format
msgid ""
"\n"
"The download was complete. <%s>\n"
msgstr ""
"\n"
"<%s> のダウンロードが完了しました.\n"
#: src/main.cc:451
msgid ""
"\n"
"The download was not complete because of errors. Check the log.\n"
msgstr ""
"\n"
"ダウンロードはエラーのため完了していません. ログを確認してください.\n"

63
src/AbstractDiskWriter.cc
View File

@ -27,6 +27,8 @@
#include <fcntl.h>
#include "DlAbortEx.h"
#include "File.h"
#include <openssl/evp.h>
#include "Util.h"
AbstractDiskWriter::AbstractDiskWriter():fd(0) {}
@ -49,7 +51,7 @@ void AbstractDiskWriter::openExistingFile(string filename) {
throw new DlAbortEx(strerror(errno));
}
if((fd = open(filename.c_str(), O_WRONLY, S_IRUSR|S_IWUSR)) < 0) {
if((fd = open(filename.c_str(), O_RDWR, S_IRUSR|S_IWUSR)) < 0) {
throw new DlAbortEx(strerror(errno));
}
}
@ -60,7 +62,7 @@ void AbstractDiskWriter::createFile(string filename, int addFlags) {
// if(filename.empty()) {
// filename = "index.html";
// }
if((fd = open(filename.c_str(), O_CREAT|O_WRONLY|O_TRUNC|addFlags, S_IRUSR|S_IWUSR)) < 0) {
if((fd = open(filename.c_str(), O_CREAT|O_RDWR|O_TRUNC|addFlags, S_IRUSR|S_IWUSR)) < 0) {
throw new DlAbortEx(strerror(errno));
}
}
@ -70,3 +72,60 @@ void AbstractDiskWriter::writeDataInternal(const char* data, int len) {
throw new DlAbortEx(strerror(errno));
}
}
int AbstractDiskWriter::readDataInternal(char* data, int len) {
int ret;
if((ret = read(fd, data, len)) < 0) {
throw new DlAbortEx(strerror(errno));
}
return ret;
}
string AbstractDiskWriter::sha1Sum(long long int offset, long long int length) {
EVP_MD_CTX ctx;
EVP_MD_CTX_init(&ctx);
EVP_DigestInit_ex(&ctx, EVP_sha1(), NULL);
try {
int BUFSIZE = 4096;
char buf[BUFSIZE];
for(int i = 0; i < length/BUFSIZE; i++) {
if(BUFSIZE != readData(buf, BUFSIZE, offset)) {
throw "error";
}
EVP_DigestUpdate(&ctx, buf, BUFSIZE);
offset += BUFSIZE;
}
int r = length%BUFSIZE;
if(r > 0) {
if(r != readData(buf, r, offset)) {
throw "error";
}
EVP_DigestUpdate(&ctx, buf, r);
}
unsigned char hashValue[20];
int len;
EVP_DigestFinal_ex(&ctx, hashValue, (unsigned int*)&len);
EVP_MD_CTX_cleanup(&ctx);
return Util::toHex(hashValue, 20);
} catch(string ex) {
EVP_MD_CTX_cleanup(&ctx);
throw new DlAbortEx(strerror(errno));
}
}
void AbstractDiskWriter::seek(long long int offset) {
if(offset != lseek(fd, offset, SEEK_SET)) {
throw new DlAbortEx(strerror(errno));
}
}
void AbstractDiskWriter::writeData(const char* data, int len, long long int offset) {
seek(offset);
writeDataInternal(data, len);
}
int AbstractDiskWriter::readData(char* data, int len, long long int offset) {
seek(offset);
return readDataInternal(data, len);
}

9
src/AbstractDiskWriter.h
View File

@ -31,6 +31,7 @@ protected:
void createFile(string filename, int addFlags = 0);
void writeDataInternal(const char* data, int len);
int readDataInternal(char* data, int len);
public:
AbstractDiskWriter();
virtual ~AbstractDiskWriter();
@ -38,6 +39,14 @@ public:
void closeFile();
void openExistingFile(string filename);
string sha1Sum(long long int offset, long long int length);
void seek(long long int offset);
void writeData(const char* data, int len, long long int offset);
int readData(char* data, int len, long long int offset);
};
#endif // _D_ABSTRACT_DISK_WRITER_H_

277
src/BitfieldMan.cc Normal file
View File

@ -0,0 +1,277 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "BitfieldMan.h"
#include <string.h>
BitfieldMan::BitfieldMan(int blockLength, long long int totalLength)
:blockLength(blockLength), totalLength(totalLength) {
if(blockLength > 0 && totalLength > 0) {
blocks = totalLength/blockLength+(totalLength%blockLength ? 1 : 0);
bitfieldLength = blocks/8+(blocks%8 ? 1 : 0);
bitfield = new unsigned char[bitfieldLength];
useBitfield = new unsigned char[bitfieldLength];
memset(bitfield, 0, bitfieldLength);
memset(useBitfield, 0, bitfieldLength);
}
}
BitfieldMan::BitfieldMan(const BitfieldMan& bitfieldMan) {
blockLength = bitfieldMan.blockLength;
totalLength = bitfieldMan.totalLength;
blocks = bitfieldMan.blocks;
bitfieldLength = bitfieldMan.bitfieldLength;
bitfield = new unsigned char[bitfieldLength];
useBitfield = new unsigned char[bitfieldLength];
memcpy(bitfield, bitfieldMan.bitfield, bitfieldLength);
memcpy(useBitfield, bitfieldMan.useBitfield, bitfieldLength);
}
BitfieldMan::~BitfieldMan() {
delete [] bitfield;
delete [] useBitfield;
}
BitfieldMan& BitfieldMan::operator=(const BitfieldMan& bitfieldMan) {
if(this != &bitfieldMan) {
blockLength = bitfieldMan.blockLength;
totalLength = bitfieldMan.totalLength;
if(bitfieldLength != bitfieldMan.bitfieldLength) {
delete [] bitfield;
delete [] useBitfield;
bitfield = new unsigned char[bitfieldMan.bitfieldLength];
useBitfield = new unsigned char[bitfieldMan.bitfieldLength];
}
blocks = bitfieldMan.blocks;
bitfieldLength = bitfieldMan.bitfieldLength;
memcpy(bitfield, bitfieldMan.bitfield, bitfieldLength);
memcpy(useBitfield, bitfieldMan.useBitfield, bitfieldLength);
}
return *this;
}
int BitfieldMan::countSetBit(const unsigned char* bitfield, int len) const {
int count = 0;
for(int i = 0; i < len; i++) {
unsigned char bit = bitfield[i];
for(int bs = 7; bs >= 0 && i*8+7-bs < blocks; bs--) {
unsigned char mask = 1 << bs;
if(bit & mask) {
count++;
}
}
}
return count;
}
int BitfieldMan::getMissingIndexRandomly(const unsigned char* bitfield, int len, int randMax) const {
int index = -1;
int nth = 1+(int)(((double)randMax)*random()/(RAND_MAX+1.0));
for(int i = 0; i < len && index == -1; i++) {
unsigned char bit = bitfield[i];
for(int bs = 7; bs >= 0 && i*8+7-bs < blocks; bs--) {
unsigned char mask = 1 << bs;
if(bit & mask) {
nth--;
if(nth == 0) {
index = i*8+7-bs;
break;
}
}
}
}
return index;
}
int BitfieldMan::getMissingIndex(const unsigned char* peerBitfield, int length) const {
if(bitfieldLength != length) {
return -1;
}
unsigned char* tempBitfield = new unsigned char[bitfieldLength];
for(int i = 0; i < bitfieldLength; i++) {
tempBitfield[i] = peerBitfield[i] & ~bitfield[i];
}
int max = countSetBit(tempBitfield, bitfieldLength);
int index = getMissingIndexRandomly(tempBitfield, bitfieldLength, max);
return index;
}
int BitfieldMan::getMissingUnusedIndex(const unsigned char* peerBitfield, int length) const {
if(bitfieldLength != length) {
return -1;
}
unsigned char* tempBitfield = new unsigned char[bitfieldLength];
for(int i = 0; i < bitfieldLength; i++) {
tempBitfield[i] = peerBitfield[i] & ~bitfield[i] & ~useBitfield[i];
}
int max = countSetBit(tempBitfield, bitfieldLength);
/*
int max = 0;
for(int i = 0; i < bitfieldLength; i++) {
unsigned char bit = tempBitfield[i];
for(int bs = 7; bs >= 0 && i*8+7-bs < blocks; bs--) {
unsigned char mask = 1 << bs;
if(bit & mask) {
max++;
}
}
}
*/
int index = getMissingIndexRandomly(tempBitfield, bitfieldLength, max);
/*
int index = -1;
int nth = 1+(int)(((double)max)*random()/(RAND_MAX+1.0));
for(int i = 0; i < bitfieldLength && index == -1; i++) {
unsigned char bit = tempBitfield[i];
for(int bs = 7; bs >= 0 && i*8+7-bs < blocks; bs--) {
unsigned char mask = 1 << bs;
if(bit & mask) {
nth--;
if(nth == 0) {
index = i*8+7-bs;
break;
}
}
}
}
*/
return index;
}
int BitfieldMan::getFirstMissingUnusedIndex(const unsigned char* peerBitfield, int length) const {
if(bitfieldLength != length) {
return -1;
}
for(int i = 0; i < bitfieldLength; i++) {
unsigned char bit = peerBitfield[i] & ~bitfield[i] & ~useBitfield[i];
for(int bs = 7; bs >= 0 && i*8+7-bs < blocks; bs--) {
unsigned char mask = 1 << bs;
if(bit & mask) {
return i*8+7-bs;
}
}
}
return -1;
}
int BitfieldMan::getFirstMissingUnusedIndex() const {
for(int i = 0; i < bitfieldLength; i++) {
unsigned char bit = ~bitfield[i] & ~useBitfield[i];
for(int bs = 7; bs >= 0 && i*8+7-bs < blocks; bs--) {
unsigned char mask = 1 << bs;
if(bit & mask) {
return i*8+7-bs;
}
}
}
return -1;
}
vector<int> BitfieldMan::getAllMissingIndexes() const {
vector<int> missingIndexes;
for(int i = 0; i < bitfieldLength; i++) {
unsigned char bit = ~bitfield[i];
for(int bs = 7; bs >= 0 && i*8+7-bs < blocks; bs--) {
unsigned char mask = 1 << bs;
if(bit & mask) {
missingIndexes.push_back(i*8+7-bs);
}
}
}
return missingIndexes;
}
int BitfieldMan::countMissingBlock() const {
return blocks-countSetBit(bitfield, bitfieldLength);
}
bool BitfieldMan::setUseBit(int index) {
if(blocks <= index) { return false; }
unsigned char mask = 128 >> index%8;
useBitfield[index/8] |= mask;
return true;
}
bool BitfieldMan::unsetUseBit(int index) {
if(blocks <= index) { return false; }
unsigned char mask = 128 >> index%8;
useBitfield[index/8] &= ~mask;
return true;
}
bool BitfieldMan::setBit(int index) {
if(blocks <= index) { return false; }
unsigned char mask = 128 >> index%8;
bitfield[index/8] |= mask;
return true;
}
bool BitfieldMan::unsetBit(int index) {
if(blocks <= index) { return false; }
unsigned char mask = 128 >> index%8;
bitfield[index/8] &= ~mask;
return true;
}
bool BitfieldMan::isAllBitSet() const {
for(int i = 0; i < bitfieldLength-1; i++) {
if(bitfield[i] != 0xff) {
return false;
}
}
unsigned char b = ~((128 >> (blocks-1)%8)-1);
if(bitfield[bitfieldLength-1] != b) {
return false;
}
return true;
}
bool BitfieldMan::isBitSetInternal(const unsigned char* bitfield, int index) const {
if(blocks <= index) { return false; }
unsigned char mask = 128 >> index%8;
return (bitfield[index/8] & mask) != 0;
}
bool BitfieldMan::isBitSet(int index) const {
return isBitSetInternal(bitfield, index);
}
bool BitfieldMan::isUseBitSet(int index) const {
return isBitSetInternal(useBitfield, index);
}
void BitfieldMan::setBitfield(const unsigned char* bitfield, int bitfieldLength) {
if(this->bitfieldLength != bitfieldLength) {
return;
}
memcpy(this->bitfield, bitfield, this->bitfieldLength);
memset(this->useBitfield, 0, this->bitfieldLength);
}
void BitfieldMan::clearAllBit() {
memset(this->bitfield, 0, this->bitfieldLength);
memset(this->useBitfield, 0, this->bitfieldLength);
}
void BitfieldMan::setAllBit() {
for(int i = 0; i < blocks; i++) {
setBit(i);
}
}

90
src/BitfieldMan.h Normal file
View File

@ -0,0 +1,90 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_BITFIELD_MAN_H_
#define _D_BITFIELD_MAN_H_
#include "common.h"
#include <vector>
class BitfieldMan {
private:
int blockLength;
long long int totalLength;
unsigned char* bitfield;
unsigned char* useBitfield;
int bitfieldLength;
int blocks;
int countSetBit(const unsigned char* bitfield, int len) const;
int getMissingIndexRandomly(const unsigned char* bitfield, int len, int randMax) const;
bool isBitSetInternal(const unsigned char* bitfield, int index) const;
public:
BitfieldMan(int blockLength, long long int totalLength);
BitfieldMan(const BitfieldMan& bitfieldMan);
~BitfieldMan();
BitfieldMan& operator=(const BitfieldMan& bitfieldMan);
int getBlockLength() const { return blockLength; }
int getLastBlockLength() const {
return totalLength-blockLength*(blocks-1);
}
int getBlockLength(int index) const {
if(index == blocks-1) {
return getLastBlockLength();
} else if(0 <= index && index < blocks-1) {
return getBlockLength();
} else {
return 0;
}
}
long long int getTotalLength() const { return totalLength; }
int getMissingIndex(const unsigned char* bitfield, int len) const;
int getFirstMissingUnusedIndex(const unsigned char* bitfield, int len) const;
int getFirstMissingUnusedIndex() const;
int getMissingUnusedIndex(const unsigned char* bitfield, int len) const;
vector<int> getAllMissingIndexes() const;
int countMissingBlock() const;
bool setUseBit(int index);
bool unsetUseBit(int index);
bool setBit(int index);
bool unsetBit(int index);
bool isBitSet(int index) const;
bool isUseBitSet(int index) const;
bool isAllBitSet() const;
const unsigned char* getBitfield() const { return bitfield; }
int getBitfieldLength() const { return bitfieldLength; }
int countBlock() const { return blocks; }
void setBitfield(const unsigned char* bitfield, int bitfieldLength);
void clearAllBit();
void setAllBit();
};
#endif // _D_BITFIELD_MAN_H_

34
src/ConsoleDownloadEngine.cc
View File

@ -35,3 +35,37 @@ void ConsoleDownloadEngine::sendStatistics(long long int currentSize, long long
speed/1000.0 << "KB/s " <<
"(" << commands.size() << " connections)" << flush;
}
void ConsoleDownloadEngine::initStatistics() {
cp.tv_sec = cp.tv_usec = 0;
speed = 0;
psize = 0;
}
void ConsoleDownloadEngine::calculateStatistics() {
long long int dlSize = segmentMan->getDownloadedSize();
struct timeval now;
gettimeofday(&now, NULL);
if(cp.tv_sec == 0 && cp.tv_usec == 0) {
cp = now;
psize = dlSize;
} else {
long long int elapsed = Util::difftv(now, cp);
if(elapsed >= 500000) {
int nspeed = (int)((dlSize-psize)/(elapsed/1000000.0));
speed = (nspeed+speed)/2;
cp = now;
psize = dlSize;
sendStatistics(dlSize, segmentMan->totalSize);
}
}
}
void ConsoleDownloadEngine::onEndOfRun() {
diskWriter->closeFile();
if(segmentMan->finished()) {
segmentMan->remove();
} else {
segmentMan->save();
}
}

7
src/ConsoleDownloadEngine.h
View File

@ -25,8 +25,15 @@
#include "DownloadEngine.h"
class ConsoleDownloadEngine : public DownloadEngine {
private:
struct timeval cp;
long long int psize;
int speed;
protected:
void sendStatistics(long long int currentSize, long long int totalSize);
void initStatistics();
void calculateStatistics();
void onEndOfRun();
public:
ConsoleDownloadEngine();
~ConsoleDownloadEngine();

81
src/Data.cc Normal file
View File

@ -0,0 +1,81 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "Data.h"
#include "MetaEntryVisitor.h"
Data::Data(const char* data, int len, bool number):number(number) {
if(data == NULL) {
this->data = NULL;
this->len = 0;
} else {
this->data = new char[len];
memcpy(this->data, data, len);
this->len = len;
}
}
Data::~Data() {
delete [] data;
}
string Data::toString() const {
if(len == 0) {
return "";
} else {
char* temp = new char[len+1];
memcpy(temp, data, len);
temp[len] = '\0';
return string(temp);
}
}
const char* Data::getData() const {
if(this->len == 0) {
return NULL;
} else {
return data;
}
}
int Data::getLen() const {
return len;
}
int Data::toInt() const {
return (int)toLLInt();
}
long long int Data::toLLInt() const {
if(len == 0) {
return 0;
} else {
return strtoll(data, NULL, 10);
}
}
bool Data::isNumber() const {
return number;
}
void Data::accept(MetaEntryVisitor* v) const {
v->visit(this);
}

54
src/Data.h Normal file
View File

@ -0,0 +1,54 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_DATA_H_
#define _D_DATA_H_
#include "MetaEntry.h"
#include <string>
using namespace std;
class Data : public MetaEntry {
private:
int len;
char* data;
bool number;
public:
/**
* This class stores the copy of data. So caller must take care of freeing
* memory of data.
*/
Data(const char* data, int len, bool number = false);
~Data();
string toString() const;
int toInt() const;
long long int toLLInt() const;
const char* getData() const;
int getLen() const;
bool isNumber() const;
void accept(MetaEntryVisitor* v) const;
};
#endif // _D_DATA_H_

7
src/DefaultDiskWriter.cc
View File

@ -30,10 +30,3 @@ DefaultDiskWriter::~DefaultDiskWriter() {}
void DefaultDiskWriter::initAndOpenFile(string filename) {
createFile(filename);
}
void DefaultDiskWriter::writeData(const char* data, int len, long long int offset) {
if(offset != lseek(fd, offset, SEEK_SET)) {
throw new DlAbortEx(strerror(errno));
}
writeDataInternal(data, len);
}

2
src/DefaultDiskWriter.h
View File

@ -30,8 +30,6 @@ public:
~DefaultDiskWriter();
void initAndOpenFile(string filename);
void writeData(const char* data, int len, long long int position);
};
#endif // _D_DEFAULT_DISK_WRITER_H_

57
src/Dictionary.cc Normal file
View File

@ -0,0 +1,57 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "Dictionary.h"
#include "MetaEntryVisitor.h"
Dictionary::Dictionary() {}
Dictionary::~Dictionary() {
clearTable();
}
void Dictionary::clearTable() {
for(MetaTable::iterator itr = table.begin(); itr != table.end(); itr++) {
delete itr->second;
}
}
const MetaEntry* Dictionary::get(string name) const {
MetaTable::const_iterator itr = table.find(name);
if(itr == table.end()) {
return NULL;
} else {
return itr->second;
}
}
void Dictionary::put(string name, MetaEntry* entry) {
table[name] = entry;
order.push_back(name);
}
void Dictionary::accept(MetaEntryVisitor* v) const {
v->visit(this);
}
const vector<string>& Dictionary::getOrder() const {
return order;
}

51
src/Dictionary.h Normal file
View File

@ -0,0 +1,51 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_DICTIONARY_H_
#define _D_DICTIONARY_H_
#include "MetaEntry.h"
#include <map>
#include <vector>
#include <string>
using namespace std;
typedef map<string, MetaEntry*> MetaTable;
class Dictionary : public MetaEntry {
private:
MetaTable table;
vector<string> order;
void clearTable();
public:
Dictionary();
~Dictionary();
const MetaEntry* get(string name) const;
void put(string name, MetaEntry* entry);
void accept(MetaEntryVisitor* v) const;
const vector<string>& getOrder() const;
};
#endif // _D_DICTIONARY_H_

59
src/Directory.cc Normal file
View File

@ -0,0 +1,59 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "Directory.h"
#include "File.h"
#include "DlAbortEx.h"
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
Directory::Directory(string name):name(name) {}
Directory::~Directory() {
for(Files::iterator itr = files.begin(); itr != files.end(); itr++) {
delete *itr;
}
}
void Directory::createDir(string parentDir, bool recursive) const {
string path = parentDir+"/"+name;
File f(path);
if(f.exists()) {
if(!f.isDir()) {
throw new DlAbortEx("%s is already exists and it is not a directory.",
path.c_str());
}
} else {
if(mkdir(path.c_str(), S_IRUSR|S_IWUSR|S_IXUSR) == -1) {
throw new DlAbortEx(strerror(errno));
}
}
if(recursive) {
for(Files::const_iterator itr = files.begin(); itr != files.end(); itr++) {
(*itr)->createDir(path, true);
}
}
}
void Directory::addFile(Directory* directory) {
files.push_back(directory);
}

44
src/Directory.h Normal file
View File

@ -0,0 +1,44 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_DIRECTORY_H_
#define _D_DIRECTORY_H_
#include "common.h"
#include <string>
#include <vector>
class Directory {
typedef vector<Directory*> Files;
private:
string name;
Files files;
public:
Directory(string name);
~Directory();
void createDir(string parentDir, bool recursive) const;
void addFile(Directory* directory);
};
#endif // _D_DIRECTORY_H_

6
src/DiskWriter.h
View File

@ -64,6 +64,12 @@ public:
* @param position the offset of this binary stream
*/
virtual void writeData(const char* data, int len, long long int position = 0) = 0;
virtual int readData(char* data, int len, long long int position) = 0;
virtual string sha1Sum(long long int offset, long long int length) = 0;
virtual void seek(long long int offset) = 0;
};
#endif // _D_DISK_WRITER_H_

40
src/DownloadEngine.cc
View File

@ -29,7 +29,7 @@
using namespace std;
DownloadEngine::DownloadEngine():noWait(false) {}
DownloadEngine::DownloadEngine():noWait(false), segmentMan(NULL) {}
DownloadEngine::~DownloadEngine() {
assert(rsockets.empty());
@ -47,43 +47,23 @@ void DownloadEngine::run() {
delete(com);
}
}
shortSleep();
if(!noWait && !commands.empty()) {
waitData();
}
noWait = false;
calculateStatistics();
}
diskWriter->closeFile();
if(segmentMan->finished()) {
segmentMan->remove();
} else {
segmentMan->save();
}
onEndOfRun();
}
void DownloadEngine::initStatistics() {
cp.tv_sec = cp.tv_usec = 0;
speed = 0;
psize = 0;
}
void DownloadEngine::calculateStatistics() {
long long int dlSize = segmentMan->getDownloadedSize();
struct timeval now;
gettimeofday(&now, NULL);
if(cp.tv_sec == 0 && cp.tv_usec == 0) {
cp = now;
psize = dlSize;
} else {
long long int elapsed = Util::difftv(now, cp);
if(elapsed >= 500000) {
int nspeed = (int)((dlSize-psize)/(elapsed/1000000.0));
speed = (nspeed+speed)/2;
cp = now;
psize = dlSize;
sendStatistics(dlSize, segmentMan->totalSize);
}
}
void DownloadEngine::shortSleep() const {
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 1000;
fd_set rfds;
FD_ZERO(&rfds);
select(0, &rfds, NULL, NULL, &tv);
}
void DownloadEngine::waitData() {

10
src/DownloadEngine.h
View File

@ -41,15 +41,13 @@ private:
vector<Socket*> rsockets;
vector<Socket*> wsockets;
void shortSleep() const;
bool addSocket(vector<Socket*>& sockets, Socket* socket);
bool deleteSocket(vector<Socket*>& sockets, Socket* socket);
struct timeval cp;
long long int psize;
void initStatistics();
void calculateStatistics();
protected:
int speed;
virtual void sendStatistics(long long int currentSize, long long int totalSize) {};
virtual void initStatistics() = 0;
virtual void calculateStatistics() = 0;
virtual void onEndOfRun() = 0;
public:
bool noWait;
queue<Command*> commands;

8
src/File.cc
View File

@ -62,3 +62,11 @@ bool File::remove() {
return false;
}
}
long long int File::size() {
struct stat fstat;
if(fillStat(fstat) < 0) {
return 0;
}
return fstat.st_size;
}

2
src/File.h
View File

@ -58,6 +58,8 @@ public:
* If name denotes a directory, it must be empty in order to delete.
*/
bool remove();
long long int size();
};
#endif // _D_FILE_H_

47
src/HandshakeMessage.h Normal file
View File

@ -0,0 +1,47 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_HANDSHAKE_MESSAGE_H_
#define _D_HANDSHAKE_MESSAGE_H_
#include "common.h"
#include "Util.h"
#define PSTR "BitTorrent protocol"
#define HANDSHAKE_MESSAGE_LENGTH 68
class HandshakeMessage {
public:
char pstrlen;
string pstr;
unsigned char infoHash[20];
char peerId[20];
public:
HandshakeMessage() {}
~HandshakeMessage() {}
string toString() const {
return "handshake peerId="+
Util::urlencode((unsigned char*)peerId, sizeof(peerId));
}
};
#endif // _D_HANDSHAKE_MESSAGE_H_

75
src/HttpConnection.cc
View File

@ -27,7 +27,7 @@
#include "prefs.h"
HttpConnection::HttpConnection(int cuid, const Socket* socket, const Request* req, const Option* op, const Logger* logger):
cuid(cuid), socket(socket), req(req), option(op), logger(logger) {}
cuid(cuid), socket(socket), req(req), option(op), logger(logger), headerBufLength(0) {}
void HttpConnection::sendRequest(const Segment& segment) const {
string request = createRequest(segment);
@ -101,39 +101,60 @@ string HttpConnection::createRequest(const Segment& segment) const {
return request;
}
int HttpConnection::receiveResponse(HttpHeader& headers) {
char buf[512];
while(socket->isReadable(0)) {
int size = sizeof(buf)-1;
socket->peekData(buf, size);
if(size == 0) {
throw new DlRetryEx(EX_INVALID_RESPONSE);
}
buf[size] = '\0';
int hlenTemp = header.size();
header += buf;
string::size_type p;
if((p = header.find("\r\n\r\n")) == string::npos) {
socket->readData(buf, size);
} else {
if(Util::endsWith(header, "\r\n\r\n")) {
socket->readData(buf, size);
} else {
header.erase(p+4);
size = p+4-hlenTemp;
socket->readData(buf, size);
}
break;
int HttpConnection::findEndOfHeader(const char* buf, const char* substr, int bufLength) const {
const char* p = buf;
while(bufLength > p-buf && bufLength-(p-buf) >= (int)strlen(substr)) {
if(memcmp(p, substr, strlen(substr)) == 0) {
return p-buf;
}
p++;
}
if(!Util::endsWith(header, "\r\n\r\n")) {
return -1;
}
int HttpConnection::receiveResponse(HttpHeader& headers) {
//char buf[512];
string header;
int delimiterSwith = 0;
char* delimiters[] = { "\r\n", "\n" };
int size = HEADERBUF_SIZE-headerBufLength;
if(size < 0) {
// TODO too large header
throw new DlRetryEx("too large header > 4096");
}
socket->peekData(headerBuf+headerBufLength, size);
if(size == 0) {
throw new DlRetryEx(EX_INVALID_RESPONSE);
}
//buf[size] = '\0';
int hlenTemp = headerBufLength+size;
//header += buf;
//string::size_type p;
int eohIndex;
if((eohIndex = findEndOfHeader(headerBuf, "\r\n\r\n", hlenTemp)) == -1 &&
(eohIndex = findEndOfHeader(headerBuf, "\n\n", hlenTemp)) == -1) {
socket->readData(headerBuf+headerBufLength, size);
} else {
if(eohIndex[headerBuf] == '\n') {
// for crapping non-standard HTTP server
delimiterSwith = 1;
} else {
delimiterSwith = 0;
}
headerBuf[eohIndex+strlen(delimiters[delimiterSwith])*2] = '\0';
header = headerBuf;
size = eohIndex+strlen(delimiters[delimiterSwith])*2-headerBufLength;
socket->readData(headerBuf+headerBufLength, size);
}
if(!Util::endsWith(header, "\r\n\r\n") && !Util::endsWith(header, "\n\n")) {
return 0;
}
// OK, we got all headers.
logger->info(MSG_RECEIVE_RESPONSE, cuid, header.c_str());
string::size_type p, np;
p = np = 0;
np = header.find("\r\n", p);
np = header.find(delimiters[delimiterSwith], p);
if(np == string::npos) {
throw new DlRetryEx(EX_NO_STATUS_HEADER);
}
@ -141,7 +162,7 @@ int HttpConnection::receiveResponse(HttpHeader& headers) {
string status = header.substr(9, 3);
p = np+2;
// retreive status name-value pairs, then push these into map
while((np = header.find("\r\n", p)) != string::npos && np != p) {
while((np = header.find(delimiters[delimiterSwith], p)) != string::npos && np != p) {
string line = header.substr(p, np-p);
p = np+2;
pair<string, string> hp;

6
src/HttpConnection.h
View File

@ -33,10 +33,13 @@
using namespace std;
#define HEADERBUF_SIZE 4096
class HttpConnection {
private:
string getHost(const string& host, int port) const;
string createRequest(const Segment& segment) const;
int findEndOfHeader(const char* buf, const char* substr, int bufLength) const;
bool useProxy() const;
bool useProxyAuth() const;
bool useProxyGet() const;
@ -46,7 +49,8 @@ private:
const Request* req;
const Option* option;
const Logger* logger;
string header;
char headerBuf[HEADERBUF_SIZE+1];
int headerBufLength;
public:
HttpConnection(int cuid, const Socket* socket, const Request* req, const Option* op, const Logger* logger);

9
src/HttpRequestCommand.cc
View File

@ -21,9 +21,6 @@
/* copyright --> */
#include "HttpRequestCommand.h"
#include "HttpResponseCommand.h"
#include "HttpInitiateConnectionCommand.h"
#include "Socket.h"
#include "Util.h"
#include "HttpConnection.h"
HttpRequestCommand::HttpRequestCommand(int cuid, Request* req, DownloadEngine* e, Socket* s):AbstractCommand(cuid, req, e, s) {
@ -43,7 +40,11 @@ bool HttpRequestCommand::executeInternal(Segment seg) {
req->seg = seg;
http.sendRequest(seg);
HttpResponseCommand* command = new HttpResponseCommand(cuid, req, e, socket);
Command* command = getNextCommand();
e->commands.push(command);
return true;
}
Command* HttpRequestCommand::getNextCommand() const {
return new HttpResponseCommand(cuid, req, e, socket);
}

2
src/HttpRequestCommand.h
View File

@ -27,7 +27,7 @@
class HttpRequestCommand:public AbstractCommand {
protected:
bool executeInternal(Segment segment);
Command* getNextCommand() const;
public:
HttpRequestCommand(int cuid, Request* req, DownloadEngine* e, Socket* s);
~HttpRequestCommand();

36
src/HttpResponseCommand.cc
View File

@ -26,6 +26,9 @@
#include "HttpInitiateConnectionCommand.h"
#include "message.h"
#include "Util.h"
#include "TrackerDownloadCommand.h"
// TODO
#include "TorrentDownloadEngine.h"
HttpResponseCommand::HttpResponseCommand(int cuid, Request* req, DownloadEngine* e, Socket* s):
AbstractCommand(cuid, req, e, s) {
@ -89,6 +92,15 @@ bool HttpResponseCommand::handleRedirect(string url, const HttpHeader& headers)
}
bool HttpResponseCommand::handleDefaultEncoding(const HttpHeader& headers) {
// TODO quick and dirty way
if(req->isTorrent) {
long long int size = headers.getFirstAsLLInt("Content-Length");
e->segmentMan->totalSize = size;
e->segmentMan->isSplittable = false;
createHttpDownloadCommand();
return true;
}
long long int size = headers.getFirstAsLLInt("Content-Length");
if(size == LONG_LONG_MAX || size < 0) {
throw new DlAbortEx(EX_TOO_LARGE_FILE, size);
@ -126,16 +138,22 @@ bool HttpResponseCommand::handleOtherEncoding(string transferEncoding, const Htt
}
void HttpResponseCommand::createHttpDownloadCommand(string transferEncoding) {
HttpDownloadCommand* command = new HttpDownloadCommand(cuid, req, e, socket);
TransferEncoding* enc = NULL;
if(transferEncoding.size() && (enc = command->getTransferEncoding(transferEncoding)) == NULL) {
delete(command);
throw new DlAbortEx(EX_TRANSFER_ENCODING_NOT_SUPPORTED, transferEncoding.c_str());
} else {
if(enc != NULL) {
command->transferEncoding = transferEncoding;
enc->init();
if(!req->isTorrent) {
HttpDownloadCommand* command = new HttpDownloadCommand(cuid, req, e, socket);
TransferEncoding* enc = NULL;
if(transferEncoding.size() && (enc = command->getTransferEncoding(transferEncoding)) == NULL) {
delete(command);
throw new DlAbortEx(EX_TRANSFER_ENCODING_NOT_SUPPORTED, transferEncoding.c_str());
} else {
if(enc != NULL) {
command->transferEncoding = transferEncoding;
enc->init();
}
e->commands.push(command);
}
} else {
// TODO
TrackerDownloadCommand* command = new TrackerDownloadCommand(cuid, req, (TorrentDownloadEngine*)e, socket);
e->commands.push(command);
}
}

47
src/List.cc Normal file
View File

@ -0,0 +1,47 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "List.h"
#include "MetaEntryVisitor.h"
List::List() {}
List::~List() {
clearList();
}
void List::clearList() {
for(MetaList::iterator itr = mlist.begin(); itr != mlist.end(); itr++) {
delete *itr;
}
}
void List::add(MetaEntry* entry) {
mlist.push_back(entry);
}
const MetaList& List::getList() const {
return mlist;
}
void List::accept(MetaEntryVisitor* v) const {
v->visit(this);
}

48
src/List.h Normal file
View File

@ -0,0 +1,48 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_LIST_H_
#define _D_LIST_H_
#include "MetaEntry.h"
#include <vector>
using namespace std;
typedef vector<MetaEntry*> MetaList;
class List : public MetaEntry {
private:
MetaList mlist;
void clearList();
public:
List();
~List();
void add(MetaEntry* entry);
const MetaList& getList() const;
void accept(MetaEntryVisitor* v) const;
};
#endif // _D_LIST_H_

32
src/Makefile.am
View File

@ -41,11 +41,41 @@ SRCS = Socket.cc Socket.h\
ChunkedEncoding.cc ChunkedEncoding.h\
DiskWriter.h\
DefaultDiskWriter.cc DefaultDiskWriter.h\
PreAllocationDiskWriter.cc PreAllocationDiskWriter.h\
AbstractDiskWriter.cc AbstractDiskWriter.h\
File.cc File.h\
Option.cc Option.h\
Base64.cc Base64.h\
CookieBox.cc CookieBox.h
CookieBox.cc CookieBox.h\
MetaEntry.h\
Data.cc Data.h\
Dictionary.cc Dictionary.h\
List.cc List.h\
MetaFileUtil.cc MetaFileUtil.h\
MetaEntryVisitor.h\
ShaVisitor.cc ShaVisitor.h\
TrackerInitCommand.cc TrackerInitCommand.h\
TrackerDownloadCommand.cc TrackerDownloadCommand.h\
TrackerUpdateCommand.cc TrackerUpdateCommand.h\
TorrentMan.cc TorrentMan.h\
PeerConnection.cc PeerConnection.h\
PeerMessageUtil.cc PeerMessageUtil.h\
PeerAbstractCommand.cc PeerAbstractCommand.h\
PeerInitiateConnectionCommand.cc PeerInitiateConnectionCommand.h\
PeerInteractionCommand.cc PeerInteractionCommand.h\
Peer.cc Peer.h\
BitfieldMan.cc BitfieldMan.h\
TorrentDownloadEngine.cc TorrentDownloadEngine.h\
TorrentConsoleDownloadEngine.cc TorrentConsoleDownloadEngine.h\
PeerListenCommand.cc PeerListenCommand.h\
PendingMessage.cc PendingMessage.h\
PeerMessage.cc PeerMessage.h\
HandshakeMessage.h\
Piece.cc Piece.h\
RequestSlot.cc RequestSlot.h\
RequestSlotMan.cc RequestSlotMan.h\
TorrentAutoSaveCommand.cc TorrentAutoSaveCommand.h\
Directory.cc Directory.h
noinst_LIBRARIES = libaria2c.a
libaria2c_a_SOURCES = $(SRCS)
aria2c_LDADD = libaria2c.a @LIBINTL@ @ALLOCA@

462
src/Makefile.in
View File

@ -91,9 +91,32 @@ am__objects_1 = libaria2c_a-Socket.$(OBJEXT) \
libaria2c_a-SimpleLogger.$(OBJEXT) \
libaria2c_a-ChunkedEncoding.$(OBJEXT) \
libaria2c_a-DefaultDiskWriter.$(OBJEXT) \
libaria2c_a-PreAllocationDiskWriter.$(OBJEXT) \
libaria2c_a-AbstractDiskWriter.$(OBJEXT) \
libaria2c_a-File.$(OBJEXT) libaria2c_a-Option.$(OBJEXT) \
libaria2c_a-Base64.$(OBJEXT) libaria2c_a-CookieBox.$(OBJEXT)
libaria2c_a-Base64.$(OBJEXT) libaria2c_a-CookieBox.$(OBJEXT) \
libaria2c_a-Data.$(OBJEXT) libaria2c_a-Dictionary.$(OBJEXT) \
libaria2c_a-List.$(OBJEXT) libaria2c_a-MetaFileUtil.$(OBJEXT) \
libaria2c_a-ShaVisitor.$(OBJEXT) \
libaria2c_a-TrackerInitCommand.$(OBJEXT) \
libaria2c_a-TrackerDownloadCommand.$(OBJEXT) \
libaria2c_a-TrackerUpdateCommand.$(OBJEXT) \
libaria2c_a-TorrentMan.$(OBJEXT) \
libaria2c_a-PeerConnection.$(OBJEXT) \
libaria2c_a-PeerMessageUtil.$(OBJEXT) \
libaria2c_a-PeerAbstractCommand.$(OBJEXT) \
libaria2c_a-PeerInitiateConnectionCommand.$(OBJEXT) \
libaria2c_a-PeerInteractionCommand.$(OBJEXT) \
libaria2c_a-Peer.$(OBJEXT) libaria2c_a-BitfieldMan.$(OBJEXT) \
libaria2c_a-TorrentDownloadEngine.$(OBJEXT) \
libaria2c_a-TorrentConsoleDownloadEngine.$(OBJEXT) \
libaria2c_a-PeerListenCommand.$(OBJEXT) \
libaria2c_a-PendingMessage.$(OBJEXT) \
libaria2c_a-PeerMessage.$(OBJEXT) libaria2c_a-Piece.$(OBJEXT) \
libaria2c_a-RequestSlot.$(OBJEXT) \
libaria2c_a-RequestSlotMan.$(OBJEXT) \
libaria2c_a-TorrentAutoSaveCommand.$(OBJEXT) \
libaria2c_a-Directory.$(OBJEXT)
am_libaria2c_a_OBJECTS = $(am__objects_1)
libaria2c_a_OBJECTS = $(am_libaria2c_a_OBJECTS)
am__installdirs = "$(DESTDIR)$(bindir)"
@ -275,11 +298,41 @@ SRCS = Socket.cc Socket.h\
ChunkedEncoding.cc ChunkedEncoding.h\
DiskWriter.h\
DefaultDiskWriter.cc DefaultDiskWriter.h\
PreAllocationDiskWriter.cc PreAllocationDiskWriter.h\
AbstractDiskWriter.cc AbstractDiskWriter.h\
File.cc File.h\
Option.cc Option.h\
Base64.cc Base64.h\
CookieBox.cc CookieBox.h
CookieBox.cc CookieBox.h\
MetaEntry.h\
Data.cc Data.h\
Dictionary.cc Dictionary.h\
List.cc List.h\
MetaFileUtil.cc MetaFileUtil.h\
MetaEntryVisitor.h\
ShaVisitor.cc ShaVisitor.h\
TrackerInitCommand.cc TrackerInitCommand.h\
TrackerDownloadCommand.cc TrackerDownloadCommand.h\
TrackerUpdateCommand.cc TrackerUpdateCommand.h\
TorrentMan.cc TorrentMan.h\
PeerConnection.cc PeerConnection.h\
PeerMessageUtil.cc PeerMessageUtil.h\
PeerAbstractCommand.cc PeerAbstractCommand.h\
PeerInitiateConnectionCommand.cc PeerInitiateConnectionCommand.h\
PeerInteractionCommand.cc PeerInteractionCommand.h\
Peer.cc Peer.h\
BitfieldMan.cc BitfieldMan.h\
TorrentDownloadEngine.cc TorrentDownloadEngine.h\
TorrentConsoleDownloadEngine.cc TorrentConsoleDownloadEngine.h\
PeerListenCommand.cc PeerListenCommand.h\
PendingMessage.cc PendingMessage.h\
PeerMessage.cc PeerMessage.h\
HandshakeMessage.h\
Piece.cc Piece.h\
RequestSlot.cc RequestSlot.h\
RequestSlotMan.cc RequestSlotMan.h\
TorrentAutoSaveCommand.cc TorrentAutoSaveCommand.h\
Directory.cc Directory.h
noinst_LIBRARIES = libaria2c.a
libaria2c_a_SOURCES = $(SRCS)
@ -366,10 +419,14 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-AbstractCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-AbstractDiskWriter.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Base64.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-BitfieldMan.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-ChunkedEncoding.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-ConsoleDownloadEngine.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-CookieBox.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Data.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-DefaultDiskWriter.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Dictionary.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Directory.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-DownloadCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-DownloadEngine.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-File.Po@am__quote@
@ -388,16 +445,39 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-HttpRequestCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-HttpResponseCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-InitiateConnectionCommandFactory.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-List.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-MetaFileUtil.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Option.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Peer.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PeerAbstractCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PeerConnection.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PeerInitiateConnectionCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PeerInteractionCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PeerListenCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PeerMessage.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PeerMessageUtil.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PendingMessage.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Piece.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Request.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-RequestSlot.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-RequestSlotMan.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-SegmentMan.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-SegmentSplitter.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-ShaVisitor.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-SimpleLogger.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-SleepCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Socket.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-SocketCore.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-SplitFirstSegmentSplitter.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-SplitSlowestSegmentSplitter.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-TorrentAutoSaveCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-TorrentConsoleDownloadEngine.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-TorrentDownloadEngine.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-TorrentMan.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-TrackerDownloadCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-TrackerInitCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-TrackerUpdateCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libaria2c_a-Util.Po@am__quote@
.cc.o:
@ -848,6 +928,20 @@ libaria2c_a-DefaultDiskWriter.obj: DefaultDiskWriter.cc
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libaria2c_a_CXXFLAGS) $(CXXFLAGS) -c -o libaria2c_a-DefaultDiskWriter.obj `if test -f 'DefaultDiskWriter.cc'; then $(CYGPATH_W) 'DefaultDiskWriter.cc'; else $(CYGPATH_W) '$(srcdir)/DefaultDiskWriter.cc'; fi`
libaria2c_a-PreAllocationDiskWriter.o: PreAllocationDiskWriter.cc
@am__fastdepCXX_TRUE@ if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libaria2c_a_CXXFLAGS) $(CXXFLAGS) -MT libaria2c_a-PreAllocationDiskWriter.o -MD -MP -MF "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Tpo" -c -o libaria2c_a-PreAllocationDiskWriter.o `test -f 'PreAllocationDiskWriter.cc' || echo '$(srcdir)/'`PreAllocationDiskWriter.cc; \
@am__fastdepCXX_TRUE@ then mv -f "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Tpo" "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Po"; else rm -f "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='PreAllocationDiskWriter.cc' object='libaria2c_a-PreAllocationDiskWriter.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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libaria2c_a-PreAllocationDiskWriter.obj: PreAllocationDiskWriter.cc
@am__fastdepCXX_TRUE@ if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libaria2c_a_CXXFLAGS) $(CXXFLAGS) -MT libaria2c_a-PreAllocationDiskWriter.obj -MD -MP -MF "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Tpo" -c -o libaria2c_a-PreAllocationDiskWriter.obj `if test -f 'PreAllocationDiskWriter.cc'; then $(CYGPATH_W) 'PreAllocationDiskWriter.cc'; else $(CYGPATH_W) '$(srcdir)/PreAllocationDiskWriter.cc'; fi`; \
@am__fastdepCXX_TRUE@ then mv -f "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Tpo" "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Po"; else rm -f "$(DEPDIR)/libaria2c_a-PreAllocationDiskWriter.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='PreAllocationDiskWriter.cc' object='libaria2c_a-PreAllocationDiskWriter.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libaria2c_a_CXXFLAGS) $(CXXFLAGS) -c -o libaria2c_a-PreAllocationDiskWriter.obj `if test -f 'PreAllocationDiskWriter.cc'; then $(CYGPATH_W) 'PreAllocationDiskWriter.cc'; else $(CYGPATH_W) '$(srcdir)/PreAllocationDiskWriter.cc'; fi`
libaria2c_a-AbstractDiskWriter.o: AbstractDiskWriter.cc
@am__fastdepCXX_TRUE@ if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libaria2c_a_CXXFLAGS) $(CXXFLAGS) -MT libaria2c_a-AbstractDiskWriter.o -MD -MP -MF "$(DEPDIR)/libaria2c_a-AbstractDiskWriter.Tpo" -c -o libaria2c_a-AbstractDiskWriter.o `test -f 'AbstractDiskWriter.cc' || echo '$(srcdir)/'`AbstractDiskWriter.cc; \
@am__fastdepCXX_TRUE@ then mv -f "$(DEPDIR)/libaria2c_a-AbstractDiskWriter.Tpo" "$(DEPDIR)/libaria2c_a-AbstractDiskWriter.Po"; else rm -f "$(DEPDIR)/libaria2c_a-AbstractDiskWriter.Tpo"; exit 1; fi
@ -918,6 +1012,370 @@ libaria2c_a-CookieBox.obj: CookieBox.cc
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libaria2c_a_CXXFLAGS) $(CXXFLAGS) -c -o libaria2c_a-CookieBox.obj `if test -f 'CookieBox.cc'; then $(CYGPATH_W) 'CookieBox.cc'; else $(CYGPATH_W) '$(srcdir)/CookieBox.cc'; fi`
libaria2c_a-Data.o: Data.cc
@am__fastdepCXX_TRUE@ if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libaria2c_a_CXXFLAGS) $(CXXFLAGS) -MT libaria2c_a-Data.o -MD -MP -MF "$(DEPDIR)/libaria2c_a-Data.Tpo" -c -o libaria2c_a-Data.o `test -f 'Data.cc' || echo '$(srcdir)/'`Data.cc; \
@am__fastdepCXX_TRUE@ then mv -f "$(DEPDIR)/libaria2c_a-Data.Tpo" "$(DEPDIR)/libaria2c_a-Data.Po"; else rm -f "$(DEPDIR)/libaria2c_a-Data.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='Data.cc' object='libaria2c_a-Data.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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libaria2c_a-Data.obj: Data.cc
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='Data.cc' object='libaria2c_a-Data.obj' libtool=no @AMDEPBACKSLASH@
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libaria2c_a-Dictionary.o: Dictionary.cc
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='Dictionary.cc' object='libaria2c_a-Dictionary.o' libtool=no @AMDEPBACKSLASH@
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libaria2c_a-Dictionary.obj: Dictionary.cc
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libaria2c_a-List.obj: List.cc
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libaria2c_a-RequestSlotMan.o: RequestSlotMan.cc
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libaria2c_a-TorrentAutoSaveCommand.o: TorrentAutoSaveCommand.cc
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aria2c-main.o: main.cc
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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_META_ENTRY_H_
#define _D_META_ENTRY_H_
//#include "MetaEntryVisitor.h"
#include "common.h"
class MetaEntryVisitor;
class MetaEntry {
protected:
MetaEntry() {}
public:
virtual ~MetaEntry() {}
virtual void accept(MetaEntryVisitor* v) const = 0;
};
#endif // _D_META_ENTRY_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_META_ENTRY_VISITOR_H_
#define _D_META_ENTRY_VISITOR_H_
#include "MetaEntry.h"
class MetaEntryVisitor {
public:
virtual ~MetaEntryVisitor() {}
virtual void visit(const MetaEntry* e) = 0;
};
#endif // _D_META_ENTRY_VISITOR_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "MetaFileUtil.h"
#include "File.h"
#include "DlAbortEx.h"
#include "message.h"
#include <string.h>
#include <stdlib.h>
MetaEntry* MetaFileUtil::parseMetaFile(string file) {
File f(file);
int len = f.size();
char* buf = new char[len];
FILE* fp = fopen(file.c_str(), "r+");
if(fp == NULL) {
throw new DlAbortEx("cannot open metainfo file");
}
if(fread(buf, len, 1, fp) != 1) {
fclose(fp);
throw new DlAbortEx("cannot read metainfo");
}
fclose(fp);
MetaEntry* entry = bdecoding(buf, len);
delete [] buf;
return entry;
}
MetaEntry* MetaFileUtil::bdecoding(const char* buf, int len) {
MetaEntry* entry = NULL;
try{
const char* p = buf;
const char* end = buf+len;
entry = bdecodingR(&p, end);
return entry;
} catch(DlAbortEx* ex) {
if(entry != NULL) {
delete entry;
}
throw;
}
}
MetaEntry* MetaFileUtil::bdecodingR(const char** pp, const char* end) {
if(*pp >= end) {
throw new DlAbortEx("mulformed metainfo");
}
MetaEntry* e;
switch(**pp) {
case 'd':
(*pp)++;
e = parseDictionaryTree(pp, end);
break;
case 'l':
(*pp)++;
e = parseListTree(pp, end);
break;
case 'i':
(*pp)++;
e = decodeInt(pp, end);
break;
default:
e = decodeWord(pp, end);
}
return e;
}
Dictionary* MetaFileUtil::parseDictionaryTree(const char** pp, const char* end) {
if(*pp >= end) {
throw new DlAbortEx("mulformed metainfo");
}
Dictionary* dic = new Dictionary();
while(1) {
if(**pp == 'e') {
(*pp)++;
break;
}
string name = decodeWordAsString(pp, end);
MetaEntry* e = bdecodingR(pp, end);
dic->put(name, e);
}
return dic;
}
List* MetaFileUtil::parseListTree(const char** pp, const char* end) {
if(*pp >= end) {
throw new DlAbortEx("mulformed metainfo");
}
List* lis = new List();
while(1) {
if(**pp == 'e') {
(*pp)++;
break;
}
MetaEntry* e = bdecodingR(pp, end);
lis->add(e);
}
return lis;
}
Data* MetaFileUtil::decodeInt(const char** pp, const char* end) {
if(*pp >= end) {
throw new DlAbortEx(EX_MULFORMED_META_INFO);
}
char* endTerm = (char*)memchr(*pp, 'e', end-*pp);
// TODO if endTerm is null
if(endTerm == NULL) {
throw new DlAbortEx(EX_MULFORMED_META_INFO);
}
int numSize = endTerm-*pp;
Data* data = new Data(*pp, numSize, true);
*pp += numSize+1;
return data;
}
Data* MetaFileUtil::decodeWord(const char** pp, const char* end) {
if(*pp >= end) {
throw new DlAbortEx("mulformed metainfo");
}
char* delim = (char*)memchr(*pp, ':', end-*pp);
// TODO if delim is null
if(delim == *pp || delim == NULL) {
throw new DlAbortEx(EX_MULFORMED_META_INFO);
}
int numSize = delim-*pp;
char* temp = new char[numSize+1];
memcpy(temp, *pp, numSize);
temp[numSize] = '\0';
char* endptr;
int size = strtol(temp, &endptr, 10);
if(*endptr != '\0') {
delete [] temp;
throw new DlAbortEx(EX_MULFORMED_META_INFO);
}
delete [] temp;
if(delim+1+size > end) {
throw new DlAbortEx(EX_MULFORMED_META_INFO);
}
Data* data = new Data(delim+1, size);
*pp = delim+1+size;
return data;
}
string MetaFileUtil::decodeWordAsString(const char** pp, const char* end) {
Data* data = decodeWord(pp, end);
string str = data->toString();
delete data;
return str;
}

50
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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_META_FILE_UTIL_H_
#define _D_META_FILE_UTIL_H_
#include "MetaEntry.h"
#include "Dictionary.h"
#include "List.h"
#include "Data.h"
#include "common.h"
#include <string>
using namespace std;
class MetaFileUtil {
private:
MetaFileUtil() {}
static MetaEntry* bdecodingR(const char** pp, const char* end);
static Dictionary* parseDictionaryTree(const char** pp, const char* end);
static List* parseListTree(const char** pp, const char* end);
static Data* decodeWord(const char** pp, const char* end);
static Data* decodeInt(const char** pp, const char* end);
static string decodeWordAsString(const char** pp, const char* end);
public:
static MetaEntry* parseMetaFile(string file);
static MetaEntry* bdecoding(const char* buf, int len);
};
#endif // _D_META_FILE_UTIL_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "Peer.h"
Peer* Peer::nullPeer = new Peer("", 0, 0, 0);
void Peer::updateBitfield(int index, int operation) {
if(operation == 1) {
bitfield->setBit(index);
} else if(operation == 0) {
bitfield->unsetBit(index);
}
}
#define THRESHOLD 1024*1024*2
bool Peer::shouldChoke() const {
if(bitfield->countBlock()*0.8 < bitfield->countMissingBlock()) {
return false;
}
if(peerDownload < pieceLength*4 && peerUpload < pieceLength*4) {
return false;
}
if(amChocking) {
return !(peerDownload+pieceLength*4 < peerUpload);
} else {
return peerDownload >= peerUpload+pieceLength*4;
}
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_H_
#define _D_PEER_H_
#include "common.h"
#include "BitfieldMan.h"
#include <string.h>
#include <string>
using namespace std;
#define PEER_ID_LENGTH 20
class Peer {
public:
int entryId;
string ipaddr;
int port;
bool amChocking;
bool amInterested;
bool peerChoking;
bool peerInterested;
int tryCount;
int error;
int cuid;
private:
char peerId[PEER_ID_LENGTH];
//unsigned char* bitfield;
BitfieldMan* bitfield;
//int bitfieldLength;
long long int peerUpload;
long long int peerDownload;
int pieceLength;
long long int totalLength;
public:
Peer(string ipaddr, int port, int pieceLength, long long int totalLength):
entryId(0), ipaddr(ipaddr), port(port),
amChocking(true), amInterested(false),
peerChoking(true), peerInterested(false),
tryCount(0), error(0), cuid(0),
bitfield(NULL),// bitfieldLength(0),
peerUpload(0), peerDownload(0),
pieceLength(pieceLength), totalLength(totalLength) {
this->bitfield = new BitfieldMan(pieceLength, totalLength);
}
~Peer() {
if(bitfield != NULL) {
delete /*[]*/ bitfield;
}
}
void setPeerId(const char* peerId) {
memcpy(this->peerId, peerId, PEER_ID_LENGTH);
}
const char* getPeerId() const { return this->peerId; }
void setBitfield(const unsigned char* bitfield, int bitfieldLength) {
this->bitfield->setBitfield(bitfield, bitfieldLength);
/*
if(this->bitfield != NULL) {
delete [] this->bitfield;
}
this->bitfieldLength = bitfieldLength;
this->bitfield = new unsigned char[this->bitfieldLength];
memcpy(this->bitfield, bitfield, this->bitfieldLength);
*/
}
const unsigned char* getBitfield() const { return bitfield->getBitfield(); }
int getBitfieldLength() const { return bitfield->getBitfieldLength(); }
/*
void initBitfield(int pieces);
*/
/**
* operation = 1: set index-th bit 1
* operation = 0: set index-th bit 0
*/
void updateBitfield(int index, int operation);
void addPeerUpload(int size) { peerUpload += size; }
void setPeerUpload(long long int size) { peerUpload = size; }
long long int getPeerUpload() const { return peerUpload; }
void addPeerDownload(int size) { peerDownload += size; }
void setPeerDownload(long long int size) { peerDownload = size; }
long long int getPeerDownload() const { return peerDownload; }
bool shouldChoke() const;
static Peer* nullPeer;
};
#endif // _D_PEER_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PeerAbstractCommand.h"
#include "DlAbortEx.h"
#include "DlRetryEx.h"
#include <sys/time.h>
#include "Util.h"
#include "message.h"
#include "prefs.h"
PeerAbstractCommand::PeerAbstractCommand(int cuid, Peer* peer, TorrentDownloadEngine* e, Socket* s):
Command(cuid), e(e), peer(peer), checkSocketIsReadable(false), checkSocketIsWritable(false) {
if(s != NULL) {
socket = new Socket(*s);
setReadCheckSocket(socket);
} else {
socket = NULL;
}
this->checkPoint.tv_sec = 0;
this->checkPoint.tv_usec = 0;
e->torrentMan->connections++;
}
PeerAbstractCommand::~PeerAbstractCommand() {
setReadCheckSocket(NULL);
setWriteCheckSocket(NULL);
if(socket != NULL) {
delete(socket);
}
e->torrentMan->connections--;
}
void PeerAbstractCommand::updateCheckPoint() {
gettimeofday(&checkPoint, NULL);
}
bool PeerAbstractCommand::isTimeoutDetected() {
struct timeval now;
gettimeofday(&now, NULL);
if(checkPoint.tv_sec == 0 && checkPoint.tv_usec == 0) {
checkPoint = now;
return false;
} else {
long long int elapsed = Util::difftv(now, checkPoint);
if(elapsed >= e->option->getAsInt(PREF_TIMEOUT)*1000000) {
return true;
} else {
return false;
}
}
}
bool PeerAbstractCommand::execute() {
try {
if(e->torrentMan->downloadComplete()) {
return true;
}
beforeSocketCheck();
if(checkSocketIsReadable && !readCheckTarget->isReadable(0)
|| checkSocketIsWritable && !writeCheckTarget->isWritable(0)) {
if(isTimeoutDetected()) {
// TODO
checkPoint.tv_sec = 0;
checkPoint.tv_usec = 0;
throw new DlRetryEx(EX_TIME_OUT);
}
e->commands.push(this);
return false;
}
updateCheckPoint();
bool returnValue = executeInternal();
//e->torrentMan->updatePeer(peer);
return returnValue;
} catch(Exception* err) {
e->logger->error(MSG_DOWNLOAD_ABORTED, err, cuid);
onAbort(err);
delete(err);
return prepareForNextPeer(0);
} catch(DlRetryEx* err) {
e->logger->error(MSG_RESTARTING_DOWNLOAD, err, cuid);
peer->tryCount++;
bool isAbort = e->option->getAsInt(PREF_MAX_TRIES) != 0 &&
peer->tryCount >= e->option->getAsInt(PREF_MAX_TRIES);
int tryCount = peer->tryCount;
if(isAbort) {
onAbort(err);
}
delete(err);
if(isAbort) {
e->logger->error(MSG_MAX_TRY, cuid, tryCount);
return true;
} else {
return prepareForRetry(e->option->getAsInt(PREF_RETRY_WAIT));
}
}
}
// TODO this method removed when PeerBalancerCommand is implemented
bool PeerAbstractCommand::prepareForNextPeer(int wait) {
return true;
}
bool PeerAbstractCommand::prepareForRetry(int wait) {
return true;
}
void PeerAbstractCommand::onAbort(Exception* ex) {
peer->error = 1;
peer->tryCount = 0;
peer->cuid = 0;
peer->amChocking = true;
peer->amInterested = false;
peer->peerChoking = true;
peer->peerInterested = false;
e->logger->debug("CUID#%d - peer %s:%d banned.", cuid, peer->ipaddr.c_str(), peer->port);
}
void PeerAbstractCommand::setReadCheckSocket(Socket* socket) {
if(socket == NULL) {
if(checkSocketIsReadable) {
e->deleteSocketForReadCheck(readCheckTarget);
checkSocketIsReadable = false;
readCheckTarget = NULL;
}
} else {
if(checkSocketIsReadable) {
if(readCheckTarget != socket) {
e->deleteSocketForReadCheck(readCheckTarget);
e->addSocketForReadCheck(socket);
readCheckTarget = socket;
}
} else {
e->addSocketForReadCheck(socket);
checkSocketIsReadable = true;
readCheckTarget = socket;
}
}
}
void PeerAbstractCommand::setWriteCheckSocket(Socket* socket) {
if(socket == NULL) {
if(checkSocketIsWritable) {
e->deleteSocketForWriteCheck(writeCheckTarget);
checkSocketIsWritable = false;
writeCheckTarget = NULL;
}
} else {
if(checkSocketIsWritable) {
if(writeCheckTarget != socket) {
e->deleteSocketForWriteCheck(writeCheckTarget);
e->addSocketForWriteCheck(socket);
writeCheckTarget = socket;
}
} else {
e->addSocketForWriteCheck(socket);
checkSocketIsWritable = true;
writeCheckTarget = socket;
}
}
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_ABSTRACT_COMMAND_H_
#define _D_PEER_ABSTRACT_COMMAND_H_
#include "Command.h"
#include "Request.h"
#include "TorrentDownloadEngine.h"
#include <sys/time.h>
class PeerAbstractCommand : public Command {
private:
void updateCheckPoint();
bool isTimeoutDetected();
struct timeval checkPoint;
protected:
TorrentDownloadEngine* e;
Socket* socket;
Peer* peer;
virtual bool prepareForNextPeer(int wait);
virtual bool prepareForRetry(int wait);
virtual void onAbort(Exception* ex);
virtual bool executeInternal() = 0;
virtual void beforeSocketCheck() {}
void setReadCheckSocket(Socket* socket);
void setWriteCheckSocket(Socket* socket);
private:
bool checkSocketIsReadable;
bool checkSocketIsWritable;
Socket* readCheckTarget;
Socket* writeCheckTarget;
public:
PeerAbstractCommand(int cuid, Peer* peer, TorrentDownloadEngine* e, Socket* s = NULL);
virtual ~PeerAbstractCommand();
bool execute();
};
#endif // _D_PEER_ABSTRACT_COMMAND_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PeerConnection.h"
#include "message.h"
#include "DlAbortEx.h"
#include "PeerMessageUtil.h"
#include "Util.h"
#include <netinet/in.h>
PeerConnection::PeerConnection(int cuid, const Socket* socket,
const Option* op, const Logger* logger,
Peer* peer, TorrentMan* torrentMan)
:cuid(cuid), socket(socket), option(op), logger(logger), peer(peer),
torrentMan(torrentMan),
resbufLength(0), currentPayloadLength(0), lenbufLength(0) {}
PeerConnection::~PeerConnection() {}
void PeerConnection::sendHandshake() const {
/**
* pstrlen --- '19', 1byte
* pstr --- "BitTorrent protocol", 19bytes
* reserved --- \0 * 8, 8bytes
* info_hash --- info_hash, 20bytes
* peer_id --- peer_id, 20bytes
* total: 68bytes
*/
char msg[HANDSHAKE_MESSAGE_LENGTH];
memset(msg, 0, sizeof(msg));
msg[0] = 19;
memcpy(&msg[1], PSTR, strlen(PSTR));
memcpy(&msg[28], torrentMan->getInfoHash(), 20);
memcpy(&msg[48], torrentMan->peerId.c_str(), 20);
writeOutgoingMessageLog("handshake");
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::sendKeepAlive() const {
/**
* len --- 0, 4bytes
* total: 4bytes
*/
char msg[4];
memset(msg, 0, sizeof(msg));
writeOutgoingMessageLog("keep-alive");
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::createNLengthMessage(char* msg, int msgLen, int payloadLen, int id) const {
assert(msgLen >= 5);
memset(msg, 0, msgLen);
setIntParam(msg, payloadLen);
msg[4] = (char)id;
}
void PeerConnection::setIntParam(char* dest, int param) const {
int nParam = htonl(param);
memcpy(dest, &nParam, 4);
}
void PeerConnection::writeOutgoingMessageLog(const char* msg) const {
logger->info(MSG_SEND_PEER_MESSAGE, cuid, peer->ipaddr.c_str(), peer->port, msg);
}
void PeerConnection::writeOutgoingMessageLog(const char* msg, int index) const {
logger->info(MSG_SEND_PEER_MESSAGE_WITH_INDEX, cuid, peer->ipaddr.c_str(), peer->port, msg, index);
}
void PeerConnection::writeOutgoingMessageLog(const char* msg, const unsigned char* bitfield, int bitfieldLength) const {
logger->info(MSG_SEND_PEER_MESSAGE_WITH_BITFIELD, cuid, peer->ipaddr.c_str(), peer->port, msg, Util::toHex(bitfield, bitfieldLength).c_str());
}
void PeerConnection::writeOutgoingMessageLog(const char* msg, int index, int begin, int length) const {
logger->info(MSG_SEND_PEER_MESSAGE_WITH_INDEX_BEGIN_LENGTH, cuid, peer->ipaddr.c_str(), peer->port, msg, index, begin, length);
}
void PeerConnection::sendChoke() const {
/**
* len --- 1, 4bytes
* id --- 0, 1byte
* total: 5bytes
*/
char msg[5];
createNLengthMessage(msg, sizeof(msg), 1, 0);
writeOutgoingMessageLog("choke");
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::sendUnchoke() const {
/**
* len --- 1, 4bytes
* id --- 1, 1byte
* total: 5bytes
*/
char msg[5];
createNLengthMessage(msg, sizeof(msg), 1, 1);
writeOutgoingMessageLog("unchoke");
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::sendInterested() const {
/**
* len --- 1, 4bytes
* id --- 2, 1byte
* total: 5bytes
*/
char msg[5];
createNLengthMessage(msg, sizeof(msg), 1, 2);
writeOutgoingMessageLog("interested");
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::sendNotInterested() const {
/**
* len --- 1, 4bytes
* id --- 3, 1byte
* total: 5bytes
*/
char msg[5];
createNLengthMessage(msg, sizeof(msg), 1, 3);
writeOutgoingMessageLog("not interested");
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::sendHave(int index) const {
/**
* len --- 5, 4bytes
* id --- 4, 1byte
* piece index --- index, 4bytes
* total: 9bytes
*/
char msg[9];
createNLengthMessage(msg, sizeof(msg), 5, 4);
setIntParam(&msg[5], index);
writeOutgoingMessageLog("have", index);
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::sendBitfield() const {
int len = torrentMan->getBitfieldLength();
const unsigned char* bitfield = torrentMan->getBitfield();
/**
* len --- 1+len, 4bytes
* id --- 5, 1byte
* bitfield --- bitfield, len bytes
* total: 5+len bytes
*/
int msgLen = 5+len;
char* msg = new char[msgLen];
try {
createNLengthMessage(msg, msgLen, 1+len, 5);
writeOutgoingMessageLog("bitfield", bitfield, len);
socket->writeData(msg, msgLen);
delete [] msg;
} catch(Exception* ex) {
delete [] msg;
throw;
}
}
void PeerConnection::sendRequest(int index, int begin, int length) const {
/**
* len --- 13, 4bytes
* id --- 6, 1byte
* index --- index, 4bytes
* begin --- begin, 4bytes
* length --- length, 4bytes
* total: 17bytes
*/
char msg[17];
createNLengthMessage(msg, sizeof(msg), 13, 6);
setIntParam(&msg[5], index);
setIntParam(&msg[9], begin);
setIntParam(&msg[13], length);
writeOutgoingMessageLog("request", index, begin, length);
socket->writeData(msg, sizeof(msg));
}
void PeerConnection::sendPiece(int index, int begin, int length) const {
/**
* len --- 9+length, 4bytes
* id --- 7, 1byte
* index --- index, 4bytes
* begin --- begin, 4bytes
* sub total: 13bytes
* additionally,
* block --- data, X bytes
*/
char msg[13];
createNLengthMessage(msg, sizeof(msg), 9+length, 7);
setIntParam(&msg[5], index);
setIntParam(&msg[9], begin);
writeOutgoingMessageLog("piece", index, begin, length);
socket->writeData(msg, sizeof(msg));
int BUF_SIZE = 4096;
char buf[BUF_SIZE];
int iteration = length/BUF_SIZE;
long long int pieceOffset = ((long long int)index*torrentMan->pieceLength)+begin;
for(int i = 0; i < iteration; i++) {
if(torrentMan->diskWriter->readData(buf, BUF_SIZE, pieceOffset+i*BUF_SIZE) < BUF_SIZE) {
throw new DlAbortEx("piece reading failed.");
}
socket->writeData(buf, BUF_SIZE);
}
int rem = length%BUF_SIZE;
if(rem > 0) {
if(torrentMan->diskWriter->readData(buf, rem, pieceOffset+iteration*BUF_SIZE) < rem) {
throw new DlAbortEx("piece reading failed.");
}
socket->writeData(buf, rem);
}
}
void PeerConnection::sendPieceHeader(int index, int begin, int length) const {
/**
* len --- 9+length, 4bytes
* id --- 7, 1byte
* index --- index, 4bytes
* begin --- begin, 4bytes
* sub total: 13bytes
* additionally,
* block --- data, X bytes
*/
char msg[13];
createNLengthMessage(msg, sizeof(msg), 9+length, 7);
setIntParam(&msg[5], index);
setIntParam(&msg[9], begin);
writeOutgoingMessageLog("piece", index, begin, length);
socket->writeData(msg, sizeof(msg));
}
int PeerConnection::sendPieceData(long long int offset, int length) const {
int BUF_SIZE = 256;
char buf[BUF_SIZE];
int iteration = length/BUF_SIZE;
int writtenLength = 0;
bool isWritable = true;
for(int i = 0; i < iteration; i++) {
isWritable = socket->isWritable(0);
if(!isWritable) {
return writtenLength;
}
if(torrentMan->diskWriter->readData(buf, BUF_SIZE, offset+i*BUF_SIZE) < BUF_SIZE) {
throw new DlAbortEx("piece reading failed.");
}
socket->writeData(buf, BUF_SIZE);
writtenLength += BUF_SIZE;
}
if(socket->isWritable(0)) {
int rem = length%BUF_SIZE;
if(rem > 0) {
if(torrentMan->diskWriter->readData(buf, rem, offset+iteration*BUF_SIZE) < rem) {
throw new DlAbortEx("piece reading failed.");
}
socket->writeData(buf, rem);
writtenLength += rem;
}
}
return writtenLength;
}
void PeerConnection::sendCancel(int index, int begin, int length) const {
/**
* len --- 13, 4bytes
* id --- 8, 1byte
* index --- index, 4bytes
* begin --- begin, 4bytes
* length -- length, 4bytes
* total: 17bytes
*/
char msg[17];
createNLengthMessage(msg, sizeof(msg), 13, 8);
setIntParam(&msg[5], index);
setIntParam(&msg[9], begin);
setIntParam(&msg[13], length);
writeOutgoingMessageLog("cancel", index, begin, length);
socket->writeData(msg, sizeof(msg));
}
PeerMessage* PeerConnection::receiveMessage() {
if(!socket->isReadable(0)) {
return NULL;
}
if(resbufLength == 0 && lenbufLength != 4) {
// read payload size, 4-byte integer
int remain = 4-lenbufLength;
int temp = remain;
socket->readData(lenbuf+lenbufLength, temp);
if(temp == 0) {
// we got EOF
throw new DlAbortEx(EX_EOF_FROM_PEER);
}
if(remain != temp) {
// still 4-temp bytes to go
lenbufLength += temp;
return NULL;
}
//payloadLen = ntohl(nPayloadLen);
int payloadLength = ntohl(*((int*)lenbuf));
if(payloadLength > MAX_PAYLOAD_LEN) {
throw new DlAbortEx("max payload length exceeded. length = %d",
payloadLength);
}
currentPayloadLength = payloadLength;
}
// we have currentPayloadLen-resbufLen bytes to read
int remaining = currentPayloadLength-resbufLength;
if(remaining > 0) {
socket->readData(resbuf+resbufLength, remaining);
if(remaining == 0) {
// we got EOF
throw new DlAbortEx(EX_EOF_FROM_PEER);
}
resbufLength += remaining;
if(currentPayloadLength != resbufLength) {
return NULL;
}
}
// we got whole payload.
resbufLength = 0;
lenbufLength = 0;
PeerMessage* peerMessage = PeerMessageUtil::createPeerMessage(resbuf, currentPayloadLength);
try {
PeerMessageUtil::checkIntegrity(peerMessage, torrentMan->pieceLength,
torrentMan->pieces, torrentMan->totalSize);
} catch(Exception* e) {
delete peerMessage;
throw;
}
return peerMessage;
}
HandshakeMessage* PeerConnection::receiveHandshake() {
if(!socket->isReadable(0)) {
return NULL;
}
int remain = HANDSHAKE_MESSAGE_LENGTH-resbufLength;
int temp = remain;
socket->readData(resbuf+resbufLength, temp);
if(temp == 0) {
// we got EOF
throw new DlAbortEx(EX_EOF_FROM_PEER);
}
if(remain != temp) {
resbufLength += temp;
return NULL;
}
// we got whole handshake payload
resbufLength = 0;
HandshakeMessage* handshakeMessage = PeerMessageUtil::createHandshakeMessage(resbuf);
try {
PeerMessageUtil::checkHandshake(handshakeMessage, torrentMan->getInfoHash());
} catch(Exception* e) {
delete handshakeMessage;
throw;
}
return handshakeMessage;
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_CONNECTION_H_
#define _D_PEER_CONNECTION_H_
#include "Option.h"
#include "Socket.h"
#include "Logger.h"
#include "TorrentMan.h"
#include "PeerMessage.h"
#include "HandshakeMessage.h"
// we assume maximum length of incoming message is "piece" message with 16KB
// data. Messages beyond that size are dropped.
#define MAX_PAYLOAD_LEN (9+16*1024)
class PeerConnection {
private:
int cuid;
const Socket* socket;
const Option* option;
const Logger* logger;
Peer* peer;
TorrentMan* torrentMan;
char resbuf[MAX_PAYLOAD_LEN];
int resbufLength;
int currentPayloadLength;
char lenbuf[4];
int lenbufLength;
void createNLengthMessage(char* msg, int msgLen, int payloadLen, int id) const;
void setIntParam(char* dest, int param) const;
void writeOutgoingMessageLog(const char* msg) const;
void writeOutgoingMessageLog(const char* msg, int index) const;
void writeOutgoingMessageLog(const char* msg, const unsigned char* bitfield, int bitfieldLength) const;
void writeOutgoingMessageLog(const char* msg, int index, int begin, int length) const;
public:
PeerConnection(int cuid, const Socket* socket, const Option* op,
const Logger* logger, Peer* peer, TorrentMan* torrenMan);
~PeerConnection();
void sendHandshake() const;
void sendKeepAlive() const;
void sendChoke() const;
void sendUnchoke() const;
void sendInterested() const;
void sendNotInterested() const;
void sendHave(int index) const;
void sendBitfield() const;
void sendRequest(int index, int begin, int length) const;
void sendPiece(int index, int begin, int length) const;
void sendPieceHeader(int index, int begin, int length) const;
int sendPieceData(long long int offset, int length) const;
void sendCancel(int index, int begin, int length) const;
PeerMessage* receiveMessage();
HandshakeMessage* receiveHandshake();
Peer* getPeer() const { return peer; }
};
#endif // _D_PEER_CONNECTION_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PeerInitiateConnectionCommand.h"
#include "PeerInteractionCommand.h"
#include "Util.h"
#include "DlAbortEx.h"
#include "message.h"
#include "prefs.h"
PeerInitiateConnectionCommand::PeerInitiateConnectionCommand(int cuid,
Peer* peer,
TorrentDownloadEngine* e)
:PeerAbstractCommand(cuid, peer, e) {}
PeerInitiateConnectionCommand::~PeerInitiateConnectionCommand() {}
bool PeerInitiateConnectionCommand::executeInternal() {
socket = new Socket();
// socket->establishConnection(...);
Command* command;
e->logger->info(MSG_CONNECTING_TO_SERVER, cuid, peer->ipaddr.c_str(),
peer->port);
socket->establishConnection(peer->ipaddr, peer->port);
command = new PeerInteractionCommand(cuid, peer, e, socket, PeerInteractionCommand::INITIATOR_SEND_HANDSHAKE);
e->commands.push(command);
return true;
}
// TODO this method removed when PeerBalancerCommand is implemented
bool PeerInitiateConnectionCommand::prepareForNextPeer(int wait) {
if(e->torrentMan->isPeerAvailable()) {
Peer* peer = e->torrentMan->getPeer();
int newCuid = e->torrentMan->getNewCuid();
peer->cuid = newCuid;
PeerInitiateConnectionCommand* command = new PeerInitiateConnectionCommand(newCuid, peer, e);
e->commands.push(command);
}
return true;
}
bool PeerInitiateConnectionCommand::prepareForRetry(int wait) {
PeerInitiateConnectionCommand* command = new PeerInitiateConnectionCommand(cuid, peer, e);
e->commands.push(command);
return true;
}
bool PeerInitiateConnectionCommand::useProxy() {
return e->option->get(PREF_HTTP_PROXY_ENABLED) == V_TRUE;
}
bool PeerInitiateConnectionCommand::useProxyTunnel() {
return e->option->get(PREF_HTTP_PROXY_METHOD) == V_TUNNEL;
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_INITIATE_CONNECTION_H_
#define _D_PEER_INITIATE_CONNECTION_H_
#include "PeerAbstractCommand.h"
class PeerInitiateConnectionCommand : public PeerAbstractCommand {
private:
bool useProxy();
bool useProxyTunnel();
protected:
bool executeInternal();
bool prepareForRetry(int wait);
bool prepareForNextPeer(int wait);
public:
PeerInitiateConnectionCommand(int cuid, Peer* peer, TorrentDownloadEngine* e);
~PeerInitiateConnectionCommand();
};
#endif // _D_PEER_INITIATE_CONNECTION_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PeerInteractionCommand.h"
#include "PeerInitiateConnectionCommand.h"
#include "PeerMessageUtil.h"
#include "DlAbortEx.h"
#include "Util.h"
#include "message.h"
PeerInteractionCommand::PeerInteractionCommand(int cuid, Peer* peer,
TorrentDownloadEngine* e,
Socket* s, int sequence)
:PeerAbstractCommand(cuid, peer, e, s), sequence(sequence) {
if(sequence == INITIATOR_SEND_HANDSHAKE) {
setReadCheckSocket(NULL);
setWriteCheckSocket(socket);
}
peerConnection = new PeerConnection(cuid, socket, e->option, e->logger,
peer, e->torrentMan);
requestSlotMan = new RequestSlotMan(cuid, &pendingMessages, peerConnection,
e->torrentMan, e->logger);
piece = Piece::nullPiece;
keepAliveCheckPoint.tv_sec = 0;
keepAliveCheckPoint.tv_usec = 0;
}
PeerInteractionCommand::~PeerInteractionCommand() {
delete peerConnection;
delete requestSlotMan;
}
bool PeerInteractionCommand::executeInternal() {
if(sequence == INITIATOR_SEND_HANDSHAKE) {
socket->setBlockingMode();
setReadCheckSocket(socket);
}
setWriteCheckSocket(NULL);
switch(sequence) {
case INITIATOR_SEND_HANDSHAKE:
peerConnection->sendHandshake();
sequence = INITIATOR_WAIT_HANDSHAKE;
break;
case INITIATOR_WAIT_HANDSHAKE: {
HandshakeMessage* handshakeMessage = peerConnection->receiveHandshake();
if(handshakeMessage == NULL) {
break;
}
peer->setPeerId(handshakeMessage->peerId);
e->logger->info(MSG_RECEIVE_PEER_MESSAGE, cuid,
peer->ipaddr.c_str(), peer->port,
handshakeMessage->toString().c_str());
delete handshakeMessage;
if(e->torrentMan->getDownloadedSize() > 0) {
peerConnection->sendBitfield();
}
sequence = WIRED;
break;
}
case RECEIVER_WAIT_HANDSHAKE: {
HandshakeMessage* handshakeMessage = peerConnection->receiveHandshake();
if(handshakeMessage == NULL) {
break;
}
peer->setPeerId(handshakeMessage->peerId);
e->logger->info(MSG_RECEIVE_PEER_MESSAGE, cuid,
peer->ipaddr.c_str(), peer->port,
handshakeMessage->toString().c_str());
delete handshakeMessage;
peerConnection->sendHandshake();
if(e->torrentMan->getDownloadedSize() > 0) {
peerConnection->sendBitfield();
}
sequence = WIRED;
break;
}
case WIRED:
syncPiece();
decideChoking();
for(int i = 0; i < 10; i++) {
if(!socket->isReadable(0)) {
break;
}
receiveMessage();
}
//detectTimeoutAndDuplicateBlock();
requestSlotMan->deleteTimedoutRequestSlot(piece);
requestSlotMan->deleteCompletedRequestSlot(piece);
sendInterest();
sendMessages();
break;
}
if(pendingMessages.size() > 0) {
setWriteCheckSocket(socket);
}
e->commands.push(this);
return false;
}
void PeerInteractionCommand::syncPiece() {
if(Piece::isNull(piece)) {
return;
}
e->torrentMan->syncPiece(piece);
}
void PeerInteractionCommand::decideChoking() {
if(peer->shouldChoke()) {
if(!peer->amChocking) {
PendingMessage pendingMessage(PeerMessage::CHOKE, peerConnection);
pendingMessages.push_back(pendingMessage);
}
} else if(peer->amChocking && peer->peerInterested) {
PendingMessage pendingMessage(PeerMessage::UNCHOKE, peerConnection);
pendingMessages.push_back(pendingMessage);
} else if(!peer->peerInterested) {
PendingMessage pendingMessage(PeerMessage::CHOKE, peerConnection);
pendingMessages.push_back(pendingMessage);
}
}
void PeerInteractionCommand::receiveMessage() {
PeerMessage* message = peerConnection->receiveMessage();
if(message == NULL) {
return;
}
e->logger->info(MSG_RECEIVE_PEER_MESSAGE, cuid,
peer->ipaddr.c_str(), peer->port,
message->toString().c_str());
try {
switch(message->getId()) {
case PeerMessage::KEEP_ALIVE:
break;
case PeerMessage::CHOKE:
peer->peerChoking = true;
requestSlotMan->deleteAllRequestSlot(piece);
break;
case PeerMessage::UNCHOKE:
peer->peerChoking = false;
break;
case PeerMessage::INTERESTED:
peer->peerInterested = true;
break;
case PeerMessage::NOT_INTERESTED:
peer->peerInterested = false;
break;
case PeerMessage::HAVE:
peer->updateBitfield(message->getIndex(), 1);
break;
case PeerMessage::BITFIELD:
peer->setBitfield(message->getBitfield(), message->getBitfieldLength());
break;
case PeerMessage::REQUEST:
if(e->torrentMan->hasPiece(message->getIndex())) {
PendingMessage pendingMessage
= PendingMessage::createPieceMessage(message->getIndex(),
message->getBegin(),
message->getLength(),
e->torrentMan->pieceLength,
peerConnection);
pendingMessages.push_back(pendingMessage);
e->torrentMan->addUploadedSize(message->getLength());
e->torrentMan->addDeltaUpload(message->getLength());
}
break;
case PeerMessage::CANCEL:
deletePendingMessage(message);
break;
case PeerMessage::PIECE: {
RequestSlot slot = requestSlotMan->getCorrespoindingRequestSlot(message);
peer->addPeerUpload(message->getBlockLength());
if(!Piece::isNull(piece) && !RequestSlot::isNull(slot)) {
long long int offset =
((long long int)message->getIndex())*e->torrentMan->pieceLength+message->getBegin();
e->logger->debug("CUID#%d - write block length = %d, offset=%lld",
cuid, message->getBlockLength(), offset);
e->torrentMan->diskWriter->writeData(message->getBlock(),
message->getBlockLength(),
offset);
piece.completeBlock(slot.getBlockIndex());
requestSlotMan->deleteRequestSlot(slot);
e->torrentMan->updatePiece(piece);
e->logger->debug("CUID#%d - setting piece bit index=%d", cuid,
slot.getBlockIndex());
e->torrentMan->addDeltaDownload(message->getBlockLength());
if(piece.pieceComplete()) {
if(checkPieceHash(piece)) {
onGotNewPiece();
} else {
onGotWrongPiece();
}
}
}
break;
}
}
delete message;
} catch(Exception* ex) {
delete message;
throw;
}
}
void PeerInteractionCommand::deletePendingMessage(PeerMessage* cancelMessage) {
for(PendingMessages::iterator itr = pendingMessages.begin();
itr != pendingMessages.end();) {
PendingMessage& pendingMessage = *itr;
if(pendingMessage.getPeerMessageId() == PeerMessage::PIECE &&
pendingMessage.getIndex() == cancelMessage->getIndex() &&
pendingMessage.getBegin() == cancelMessage->getBegin() &&
pendingMessage.getLength() == cancelMessage->getLength() &&
!pendingMessage.isInProgress()) {
e->logger->debug("CUID#%d - deleting pending piece message because cancel message received. index=%d, begin=%d, length=%d",
cuid,
pendingMessage.getIndex(),
pendingMessage.getBegin(),
pendingMessage.getLength());
itr = pendingMessages.erase(itr);
} else {
itr++;
}
}
}
void PeerInteractionCommand::onGotNewPiece() {
e->logger->info(MSG_GOT_NEW_PIECE, cuid, piece.getIndex());
e->torrentMan->completePiece(piece);
e->torrentMan->advertisePiece(cuid, piece.getIndex());
piece = Piece::nullPiece;
}
void PeerInteractionCommand::onGotWrongPiece() {
e->logger->error(MSG_GOT_WRONG_PIECE, cuid, piece.getIndex());
erasePieceOnDisk(piece);
piece.clearAllBlock();
e->torrentMan->updatePiece(piece);
}
/*
const RequestSlot& PeerInteractionCommand::getRequestSlot(int index, int begin, int length) const {
for(RequestSlots::const_iterator itr = requestSlots.begin(); itr != requestSlots.end(); itr++) {
const RequestSlot& slot = *itr;
if(slot.index == index && slot.begin == begin && slot.length == length) {
return slot;
}
}
return RequestSlot::nullSlot;
}
*/
/*
bool PeerInteractionCommand::deleteRequestSlot(const RequestSlot& slot) {
for(RequestSlots::iterator itr = requestSlots.begin(); itr != requestSlots.end(); itr++) {
if(slot.index == itr->index && slot.begin == itr->begin && slot.length == itr->length) {
requestSlots.erase(itr);
return true;
}
}
return false;
}
*/
/*
void PeerInteractionCommand::deleteAllRequestSlot() {
if(!Piece::isNull(piece)) {
for(RequestSlots::const_iterator itr = requestSlots.begin(); itr != requestSlots.end(); itr++) {
if(itr->index == piece.getIndex()) {
piece.cancelBlock(itr->blockIndex);
}
}
e->torrentMan->updatePiece(piece);
}
requestSlots.clear();
}
*/
// TODO this method removed when PeerBalancerCommand is implemented
bool PeerInteractionCommand::prepareForNextPeer(int wait) {
if(e->torrentMan->isPeerAvailable()) {
Peer* peer = e->torrentMan->getPeer();
int newCuid = e->torrentMan->getNewCuid();
peer->cuid = newCuid;
PeerInitiateConnectionCommand* command = new PeerInitiateConnectionCommand(newCuid, peer, e);
e->commands.push(command);
}
return true;
}
bool PeerInteractionCommand::prepareForRetry(int wait) {
e->commands.push(this);
return false;
}
/*
void PeerInteractionCommand::detectTimeoutAndDuplicateBlock() {
struct timeval now;
gettimeofday(&now, NULL);
for(RequestSlots::iterator itr = requestSlots.begin(); itr != requestSlots.end();) {
const RequestSlot& slot = *itr;
if(slot.isTimeout(120) || piece.hasBlock(slot.blockIndex)) {
e->logger->debug("CUID#%d - deleting requestslot blockIndex %d", cuid, slot.blockIndex);
if(slot.isTimeout(120)) {
e->logger->debug("CUID#%d - because of timeout", cuid);
} else {
e->logger->debug("CUID#%d - because of duplicate block", cuid);
}
piece.cancelBlock(slot.blockIndex);
e->torrentMan->updatePiece(piece);
// send cancel message
PendingMessage pendingMessage =
PendingMessage::createCancelMessage(piece.getIndex(),
slot.blockIndex*piece.getBlockLength(),
piece.getBlockLength(slot.blockIndex),
peerConnection);
pendingMessages.push_back(pendingMessage);
itr = requestSlots.erase(itr);
} else {
itr++;
}
}
}
*/
Piece PeerInteractionCommand::getNewPieceAndSendInterest() {
Piece piece = e->torrentMan->getMissingPiece(peer->getBitfield(),
peer->getBitfieldLength());
if(Piece::isNull(piece)) {
e->logger->debug("CUID#%d - try to send not-interested", cuid);
PendingMessage pendingMessage(PeerMessage::NOT_INTERESTED, peerConnection);
pendingMessages.push_back(pendingMessage);
} else {
e->logger->debug("CUID#%d - try to send interested", cuid);
PendingMessage pendingMessage(PeerMessage::INTERESTED, peerConnection);
pendingMessages.push_back(pendingMessage);
//piecefield = new BitfieldMan(16*1024, piece.length);
}
return piece;
}
void PeerInteractionCommand::sendInterest() {
if(Piece::isNull(piece)) {
// retrive new piece from TorrentMan
piece = getNewPieceAndSendInterest();
} else if(peer->peerChoking) {
// TODO separate method is better
requestSlotMan->deleteAllRequestSlot(piece);
e->torrentMan->cancelPiece(piece);
piece = Piece::nullPiece;
} else if(piece.pieceComplete()) {
piece = getNewPieceAndSendInterest();
}
}
void PeerInteractionCommand::createRequestPendingMessage(int blockIndex) {
PendingMessage pendingMessage =
PendingMessage::createRequestMessage(piece.getIndex(),
blockIndex*piece.getBlockLength(),
piece.getBlockLength(blockIndex),
peerConnection);
pendingMessages.push_back(pendingMessage);
RequestSlot requestSlot(piece.getIndex(),
blockIndex*piece.getBlockLength(),
piece.getBlockLength(blockIndex),
blockIndex);
requestSlotMan->addRequestSlot(requestSlot);
}
void PeerInteractionCommand::sendMessages() {
if(!Piece::isNull(piece) && !peer->peerChoking) {
if(e->torrentMan->isEndGame()) {
vector<int> missingBlockIndexes = piece.getAllMissingBlockIndexes();
if(requestSlotMan->isEmpty()) {
for(vector<int>::const_iterator itr = missingBlockIndexes.begin();
itr != missingBlockIndexes.end(); itr++) {
createRequestPendingMessage(*itr);
}
}
} else {
for(int i = requestSlotMan->countRequestSlot(); i <= 5; i++) {
int blockIndex = piece.getMissingUnusedBlockIndex();
if(blockIndex == -1) {
if(requestSlotMan->isEmpty()) {
piece = Piece::nullPiece;
}
break;
}
e->torrentMan->updatePiece(piece);
createRequestPendingMessage(blockIndex);
}
}
}
for(PendingMessages::iterator itr = pendingMessages.begin(); itr != pendingMessages.end();) {
if(itr->processMessage()) {
itr = pendingMessages.erase(itr);
} else {
//setWriteCheckSocket(socket);
break;
}
}
}
void PeerInteractionCommand::onAbort(Exception* ex) {
requestSlotMan->deleteAllRequestSlot(piece);
e->torrentMan->cancelPiece(piece);
PeerAbstractCommand::onAbort(ex);
}
void PeerInteractionCommand::keepAlive() {
if(keepAliveCheckPoint.tv_sec == 0 && keepAliveCheckPoint.tv_usec == 0) {
gettimeofday(&keepAliveCheckPoint, NULL);
} else {
struct timeval now;
gettimeofday(&now, NULL);
if(Util::difftv(now, keepAliveCheckPoint) >= 120*1000000) {
if(pendingMessages.empty()) {
peerConnection->sendKeepAlive();
}
keepAliveCheckPoint = now;
}
}
}
void PeerInteractionCommand::beforeSocketCheck() {
if(sequence == WIRED) {
e->torrentMan->unadvertisePiece(cuid);
vector<int> indexes = e->torrentMan->getAdvertisedPieceIndexes(cuid);
if(indexes.size() >= 20) {
PendingMessage pendingMessage(PeerMessage::BITFIELD, peerConnection);
pendingMessages.push_back(pendingMessage);
} else {
for(vector<int>::iterator itr = indexes.begin(); itr != indexes.end(); itr++) {
PendingMessage pendingMessage = PendingMessage::createHaveMessage(*itr, peerConnection);
pendingMessages.push_back(pendingMessage);
}
}
if(indexes.size() == 0) {
keepAlive();
}
}
}
bool PeerInteractionCommand::checkPieceHash(const Piece& piece) {
long long int offset = ((long long int)piece.getIndex())*e->torrentMan->pieceLength;
return e->torrentMan->diskWriter->sha1Sum(offset, piece.getLength()) ==
e->torrentMan->getPieceHash(piece.getIndex());
}
void PeerInteractionCommand::erasePieceOnDisk(const Piece& piece) {
int BUFSIZE = 4096;
char buf[BUFSIZE];
memset(buf, 0, BUFSIZE);
long long int offset = ((long long int)piece.getIndex())*e->torrentMan->pieceLength;
for(int i = 0; i < piece.getLength()/BUFSIZE; i++) {
e->torrentMan->diskWriter->writeData(buf, BUFSIZE, offset);
offset += BUFSIZE;
}
int r = piece.getLength()%BUFSIZE;
if(r > 0) {
e->torrentMan->diskWriter->writeData(buf, r, offset);
}
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_INTERACTION_COMMAND_H_
#define _D_PEER_INTERACTION_COMMAND_H_
#include "PeerAbstractCommand.h"
#include "PeerConnection.h"
#include "PendingMessage.h"
#include "RequestSlotMan.h"
#include <vector>
using namespace std;
class PeerInteractionCommand : public PeerAbstractCommand {
private:
int sequence;
PeerConnection* peerConnection;
RequestSlotMan* requestSlotMan;
PendingMessages pendingMessages;
Piece piece;
struct timeval keepAliveCheckPoint;
void receiveMessage();
void syncPiece();
void detectTimeoutAndDuplicateBlock();
void decideChoking();
void sendInterest();
void sendMessages();
void createRequestPendingMessage(int blockIndex);
void deletePendingMessage(PeerMessage* cancelMessage);
const RequestSlot& getRequestSlot(int index, int begin, int length) const;
bool deleteRequestSlot(const RequestSlot& slot);
void deleteAllRequestSlot();
bool checkPieceHash(const Piece& piece);
void erasePieceOnDisk(const Piece& piece);
void keepAlive();
Piece getNewPieceAndSendInterest();
void onGotNewPiece();
void onGotWrongPiece();
protected:
bool executeInternal();
bool prepareForRetry(int wait);
bool prepareForNextPeer(int wait);
void onAbort(Exception* ex);
void beforeSocketCheck();
public:
PeerInteractionCommand(int cuid, Peer* peer, TorrentDownloadEngine* e, Socket* s, int sequence);
~PeerInteractionCommand();
enum Seq {
INITIATOR_SEND_HANDSHAKE,
INITIATOR_WAIT_HANDSHAKE,
RECEIVER_SEND_HANDSHAKE,
RECEIVER_WAIT_HANDSHAKE,
WIRED};
};
#endif // _D_PEER_INTERACTION_COMMAND_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PeerListenCommand.h"
#include "PeerInteractionCommand.h"
PeerListenCommand::PeerListenCommand(int cuid, TorrentDownloadEngine* e)
:Command(cuid), e(e), socket(NULL) {
}
PeerListenCommand::~PeerListenCommand() {
if(socket != NULL) {
delete socket;
}
}
int PeerListenCommand::bindPort(int portRangeStart, int portRangeEnd) {
if(portRangeStart > portRangeEnd) {
return -1;
}
for(int port = portRangeStart; port <= portRangeEnd; port++) {
try {
socket = new Socket();
socket->beginListen(port);
return port;
} catch(Exception* ex) {
e->logger->error("CUID#%d - an error occurred while binding port=%d",
cuid, port);
delete socket;
socket = NULL;
}
}
return -1;
}
bool PeerListenCommand::execute() {
if(e->torrentMan->downloadComplete()) {
return true;
}
for(int i = 0; i < 3 && socket->isReadable(0); i++) {
Socket* peerSocket = NULL;
try {
peerSocket = socket->acceptConnection();
if(e->torrentMan->connections < MAX_PEERS) {
pair<string, int> peerInfo;
peerSocket->getPeerInfo(peerInfo);
Peer* peer = new Peer(peerInfo.first, peerInfo.second,
e->torrentMan->pieceLength,
e->torrentMan->totalSize);
if(e->torrentMan->addPeer(peer, true)) {
int newCuid = e->torrentMan->getNewCuid();
peer->cuid = newCuid;
PeerInteractionCommand* command =
new PeerInteractionCommand(newCuid, peer, e, peerSocket,
PeerInteractionCommand::RECEIVER_WAIT_HANDSHAKE);
e->commands.push(command);
e->logger->debug("CUID#%d - incoming connection, adding new command CUID#%d", cuid, newCuid);
} else {
delete peer;
}
}
delete peerSocket;
} catch(Exception* ex) {
e->logger->error("CUID#%d - error in accepting connection", cuid, ex);
delete ex;
if(peerSocket != NULL) {
delete peerSocket;
}
}
}
e->commands.push(this);
return false;
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_LISTEN_COMMAND_H_
#define _D_PEER_LISTEN_COMMAND_H_
#include "Command.h"
#include "TorrentDownloadEngine.h"
class PeerListenCommand : public Command {
private:
TorrentDownloadEngine* e;
Socket* socket;
public:
PeerListenCommand(int cuid, TorrentDownloadEngine* e);
~PeerListenCommand();
bool execute();
int bindPort(int portRangeStart, int portRangeEnd);
};
#endif // _D_PEER_LISTEN_COMMAND_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PeerMessage.h"
#include "Util.h"
void PeerMessage::setBitfield(const unsigned char* bitfield, int bitfieldLength) {
if(this->bitfield != NULL) {
delete [] bitfield;
}
this->bitfieldLength = bitfieldLength;
this->bitfield = new unsigned char[this->bitfieldLength];
memcpy(this->bitfield, bitfield, this->bitfieldLength);
}
void PeerMessage::setBlock(const char* block, int blockLength) {
if(this->block != NULL) {
delete [] block;
}
this->blockLength = blockLength;
this->block = new char[this->blockLength];
memcpy(this->block, block, this->blockLength);
}
string PeerMessage::toString() const {
switch(id) {
case CHOKE:
return "choke";
case UNCHOKE:
return "unchoke";
case INTERESTED:
return "interested";
case NOT_INTERESTED:
return "not interested";
case HAVE:
return "have index="+Util::itos(index);
case BITFIELD:
return "bitfield "+Util::toHex(bitfield, bitfieldLength);
case REQUEST:
return "request index="+Util::itos(index)+", begin="+Util::itos(begin)+
", length="+Util::itos(length);
case PIECE:
return "piece index="+Util::itos(index)+", begin="+Util::itos(begin)+
", length="+Util::itos(blockLength);
case CANCEL:
return "calcel index="+Util::itos(index)+", begin="+Util::itos(begin)+
", length="+Util::itos(length);
case KEEP_ALIVE:
return "keep alive";
default:
return "unknown";
}
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_MESSAGE_H_
#define _D_PEER_MESSAGE_H_
#include "common.h"
#include <string>
class PeerMessage {
private:
int id;
int index;
int begin;
int length;
unsigned char* bitfield;
int bitfieldLength;
char* block;
int blockLength;
public:
PeerMessage():bitfield(NULL), bitfieldLength(0),
block(NULL), blockLength(0) {}
~PeerMessage() {
if(bitfield != NULL) {
delete [] bitfield;
}
if(block != NULL) {
delete [] block;
}
}
void setBitfield(const unsigned char* bitfield, int bitfieldLength);
const unsigned char* getBitfield() const { return bitfield; }
void setBlock(const char* block, int blockLength);
const char* getBlock() const { return block; }
int getBitfieldLength() const { return bitfieldLength; }
int getBlockLength() const { return blockLength; }
string toString() const;
int getId() const { return id; }
void setId(int id) { this->id = id; }
int getIndex() const { return index; }
void setIndex(int index) { this->index = index; }
int getBegin() const { return begin; }
void setBegin(int begin) { this->begin = begin; }
int getLength() const { return length; }
void setLength(int length) { this->length = length; }
enum ID {
CHOKE = 0,
UNCHOKE = 1,
INTERESTED = 2,
NOT_INTERESTED = 3,
HAVE = 4,
BITFIELD = 5,
REQUEST = 6,
PIECE = 7,
CANCEL = 8,
KEEP_ALIVE = 99};
};
#endif // _D_PEER_MESSAGE_H_

231
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@ -0,0 +1,231 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PeerMessageUtil.h"
#include "DlAbortEx.h"
#include "Util.h"
#include <netinet/in.h>
PeerMessage* PeerMessageUtil::createPeerMessage(const char* msg, int len) {
PeerMessage* peerMessage;
if(len == 0) {
// keep-alive
peerMessage = new PeerMessage();
peerMessage->setId(PeerMessage::KEEP_ALIVE);
return peerMessage;
}
int id = getId(msg);
switch(id) {
case PeerMessage::CHOKE:
case PeerMessage::UNCHOKE:
case PeerMessage::INTERESTED:
case PeerMessage::NOT_INTERESTED:
peerMessage = createBasicMessage(id, msg, len);
break;
case PeerMessage::HAVE:
peerMessage = createHaveMessage(id, msg, len);
break;
case PeerMessage::BITFIELD:
peerMessage = createBitfieldMessage(id, msg, len);
break;
case PeerMessage::REQUEST:
case PeerMessage::CANCEL:
peerMessage = createRequestCancelMessage(id, msg, len);
break;
case PeerMessage::PIECE:
peerMessage = createPieceMessage(id, msg, len);
break;
default:
throw new DlAbortEx("invalid message id. id = %d", id);
}
return peerMessage;
}
PeerMessage* PeerMessageUtil::createBasicMessage(int id, const char* msg, int len) {
if(len != 1) {
throw new DlAbortEx("invalid payload size for ID%d, size = %d. It should be %d", id, len, 1);
}
PeerMessage* peerMessage = new PeerMessage();
peerMessage->setId(id);
return peerMessage;
}
PeerMessage* PeerMessageUtil::createHaveMessage(int id, const char* msg, int len) {
if(len != 5) {
throw new DlAbortEx("invalid payload size for ID%d, size = %d. It should be %d", id, len, 5);
}
PeerMessage* peerMessage = new PeerMessage();
peerMessage->setId(id);
peerMessage->setIndex(getIntParam(msg, 1));
return peerMessage;
}
PeerMessage* PeerMessageUtil::createBitfieldMessage(int id, const char* msg, int len) {
if(len <= 1) {
throw new DlAbortEx("invalid payload size for ID%d, size = %d. It should be greater than %d", id, len, 1);
}
PeerMessage* peerMessage = new PeerMessage();
peerMessage->setId(id);
peerMessage->setBitfield((unsigned char*)msg+1, len-1);
return peerMessage;
}
PeerMessage* PeerMessageUtil::createRequestCancelMessage(int id, const char* msg, int len) {
if(len != 13) {
throw new DlAbortEx("invalid payload size for ID%d, size = %d. It should be %d", id, len, 13);
}
PeerMessage* peerMessage = new PeerMessage();
peerMessage->setId(id);
peerMessage->setIndex(getIntParam(msg, 1));
peerMessage->setBegin(getIntParam(msg, 5));
peerMessage->setLength(getIntParam(msg, 9));
return peerMessage;
}
PeerMessage* PeerMessageUtil::createPieceMessage(int id, const char* msg, int len) {
if(len <= 9) {
throw new DlAbortEx("invalid payload size for ID%d, size = %d. It should be greater than %d", id, len, 9);
}
PeerMessage* peerMessage = new PeerMessage();
peerMessage->setId(id);
peerMessage->setIndex(getIntParam(msg, 1));
peerMessage->setBegin(getIntParam(msg, 5));
peerMessage->setBlock(msg+9, len-9);
return peerMessage;
}
int PeerMessageUtil::getId(const char* msg) {
return (int)msg[0];
}
int PeerMessageUtil::getIntParam(const char* msg, int offset) {
int nParam;
memcpy(&nParam, msg+offset, 4);
return ntohl(nParam);
}
void PeerMessageUtil::checkIndex(const PeerMessage* message, int pieces) {
if(!(0 <= message->getIndex() && message->getIndex() < pieces)) {
throw new DlAbortEx("invalid index = %d", message->getIndex());
}
}
void PeerMessageUtil::checkBegin(const PeerMessage* message, int pieceLength) {
if(!(0 <= message->getBegin() && message->getBegin() < pieceLength)) {
throw new DlAbortEx("invalid begin = %d", message->getBegin());
}
}
void PeerMessageUtil::checkPieceOffset(const PeerMessage* message, int pieceLength, int pieces, long long int totalSize) {
if(!(0 <= message->getBegin() && 0 < message->getLength())) {
throw new DlAbortEx("invalid offset, begin = %d, length = %d", message->getBegin(), message->getLength());
}
int offset = message->getBegin()+message->getLength();
int currentPieceLength;
if(message->getIndex()+1 == pieces) {
currentPieceLength = pieceLength-(pieces*pieceLength-totalSize);
} else {
currentPieceLength = pieceLength;
}
if(!(0 < offset && offset <= currentPieceLength)) {
throw new DlAbortEx("invalid offset, begin = %d, length = %d", message->getBegin(), message->getLength());
}
}
void PeerMessageUtil::checkLength(const PeerMessage* message) {
if(message->getLength() > 128*1024) {
throw new DlAbortEx("too large length %d > 128KB", message->getLength());
}
}
void PeerMessageUtil::checkBitfield(const PeerMessage* message, int pieces) {
if(!(message->getBitfieldLength() == BITFIELD_LEN_FROM_PIECES(pieces))) {
throw new DlAbortEx("invalid bitfield length = %d", message->getBitfieldLength());
}
char lastbyte = message->getBitfield()[message->getBitfieldLength()-1];
for(int i = 0; i < 8-pieces%8 && pieces%8 != 0; i++) {
if(!(((lastbyte >> i) & 1) == 0)) {
throw new DlAbortEx("invalid bitfield");
}
}
}
void PeerMessageUtil::checkIntegrity(const PeerMessage* message, int pieceLength, int pieces, long long int totalSize) {
// 0 <= index < pieces
// 0 <= begin < pieceLength
// 0 < begin+length <= pieceLength
// len of bitfield == pieces/8+(pieces%8 ? 1 : 0)
// for(int i = 0; i < 8-pieces%8; i++) { ((lastbyteofbitfield >> i) & 1) == 0 }
switch(message->getId()) {
case PeerMessage::KEEP_ALIVE:
case PeerMessage::CHOKE:
case PeerMessage::UNCHOKE:
case PeerMessage::INTERESTED:
case PeerMessage::NOT_INTERESTED:
break;
case PeerMessage::HAVE:
checkIndex(message, pieces);
break;
case PeerMessage::BITFIELD:
checkBitfield(message, pieces);
break;
case PeerMessage::REQUEST:
case PeerMessage::CANCEL:
checkIndex(message, pieces);
checkBegin(message, pieceLength);
checkLength(message);
checkPieceOffset(message, pieceLength, pieces, totalSize);
break;
case PeerMessage::PIECE:
checkIndex(message, pieces);
checkBegin(message, pieceLength);
break;
default:
throw new DlAbortEx("invalid message id. id = %d", message->getId());
}
}
HandshakeMessage* PeerMessageUtil::createHandshakeMessage(const char* msg) {
HandshakeMessage* message = new HandshakeMessage();
message->pstrlen = msg[0];
char pstr[20];
memcpy(pstr, &msg[1], sizeof(pstr)-1);
pstr[sizeof(pstr)-1] = '\0';
message->pstr = pstr;
memcpy(message->infoHash, &msg[28], 20);
memcpy(message->peerId, &msg[48], 20);
return message;
}
void PeerMessageUtil::checkHandshake(const HandshakeMessage* message, const unsigned char* infoHash) {
if(message->pstrlen != 19) {
throw new DlAbortEx("invalid handshake pstrlen = %d", (int)message->pstrlen);
}
if(message->pstr != PSTR) {
throw new DlAbortEx("invalid handshake pstr");
}
string myInfoHash = Util::toHex(infoHash, 20);
string peerInfoHash = Util::toHex(message->infoHash, 20);
if(myInfoHash != peerInfoHash) {
throw new DlAbortEx("invalid handshake info hash: expected:%s, actual:%s",
myInfoHash.c_str(), peerInfoHash.c_str());
}
}

51
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@ -0,0 +1,51 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PEER_MESSAGE_UTIL_H_
#define _D_PEER_MESSAGE_UTIL_H_
#include "PeerConnection.h"
class PeerMessageUtil {
private:
PeerMessageUtil() {}
static PeerMessage* createBasicMessage(int id, const char* msg, int len);
static PeerMessage* createHaveMessage(int id, const char* msg, int len);
static PeerMessage* createBitfieldMessage(int id, const char* msg, int len);
static PeerMessage* createRequestCancelMessage(int id, const char* msg, int len);
static PeerMessage* createPieceMessage(int id, const char* msg, int len);
static int getId(const char* msg);
static int getIntParam(const char* msg, int offset);
static void checkIndex(const PeerMessage* message, int pieces);
static void checkBegin(const PeerMessage* message, int pieceLength);
static void checkLength(const PeerMessage* message);
static void checkPieceOffset(const PeerMessage* message, int pieceLength, int pieces, long long int totalSize);
static void checkBitfield(const PeerMessage* message, int pieces);
public:
static PeerMessage* createPeerMessage(const char* msg, int len);
static void checkIntegrity(const PeerMessage* message, int pieceLength, int pieces, long long int totalSize);
static HandshakeMessage* createHandshakeMessage(const char* msg);
static void checkHandshake(const HandshakeMessage* message, const unsigned char* infoHash);
};
#endif // _D_PEER_MESSAGE_UTIL_H_

115
src/PendingMessage.cc Normal file
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@ -0,0 +1,115 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "PendingMessage.h"
bool PendingMessage::processMessage() {
bool retval = true;
switch(peerMessageId) {
case PeerMessage::HAVE:
peerConnection->sendHave(index);
break;
case PeerMessage::BITFIELD:
peerConnection->sendBitfield();
break;
case PeerMessage::UNCHOKE:
if(peerConnection->getPeer()->amChocking) {
peerConnection->sendUnchoke();
peerConnection->getPeer()->amChocking = false;
}
break;
case PeerMessage::CHOKE:
if(!peerConnection->getPeer()->amChocking) {
peerConnection->sendChoke();
peerConnection->getPeer()->amChocking = true;
}
break;
case PeerMessage::NOT_INTERESTED:
if(peerConnection->getPeer()->amInterested) {
peerConnection->sendNotInterested();
peerConnection->getPeer()->amInterested = false;
}
break;
case PeerMessage::INTERESTED:
if(!peerConnection->getPeer()->amInterested) {
peerConnection->sendInterested();
peerConnection->getPeer()->amInterested = true;
}
break;
case PeerMessage::PIECE:
if(!peerConnection->getPeer()->amChocking) {
if(!inProgress) {
peerConnection->sendPieceHeader(index, begin, length);
peerConnection->getPeer()->addPeerDownload(length);
}
int writtenLength = peerConnection->sendPieceData(pieceDataOffset, leftPieceDataLength);
if(writtenLength != leftPieceDataLength) {
inProgress = true;
leftPieceDataLength -= writtenLength;
pieceDataOffset += writtenLength;
retval = false;
}
}
break;
case PeerMessage::REQUEST:
peerConnection->sendRequest(index, begin, length);
break;
case PeerMessage::CANCEL:
peerConnection->sendCancel(index, begin, length);
break;
default:
break;
}
return retval;
}
PendingMessage PendingMessage::createRequestMessage(int index, int begin, int length, PeerConnection* peerConnection) {
PendingMessage pendingMessage(PeerMessage::REQUEST, peerConnection);
pendingMessage.setIndex(index);
pendingMessage.setBegin(begin);
pendingMessage.setLength(length);
return pendingMessage;
}
PendingMessage PendingMessage::createCancelMessage(int index, int begin, int length, PeerConnection* peerConnection) {
PendingMessage pendingMessage(PeerMessage::CANCEL, peerConnection);
pendingMessage.setIndex(index);
pendingMessage.setBegin(begin);
pendingMessage.setLength(length);
return pendingMessage;
}
PendingMessage PendingMessage::createPieceMessage(int index, int begin, int length, int pieceLength, PeerConnection* peerConnection) {
PendingMessage pendingMessage(PeerMessage::PIECE, peerConnection);
pendingMessage.setIndex(index);
pendingMessage.setBegin(begin);
pendingMessage.setLength(length);
pendingMessage.setPieceDataOffset(((long long int)index)*pieceLength+begin);
pendingMessage.setLeftPieceDataLength(length);
return pendingMessage;
}
PendingMessage PendingMessage::createHaveMessage(int index, PeerConnection* peerConnection) {
PendingMessage pendingMessage(PeerMessage::HAVE, peerConnection);
pendingMessage.setIndex(index);
return pendingMessage;
}

71
src/PendingMessage.h Normal file
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@ -0,0 +1,71 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PENDING_MESSAGE_H_
#define _D_PENDING_MESSAGE_H_
#include "common.h"
#include "PeerConnection.h"
#include <vector>
class PendingMessage {
private:
int peerMessageId;
int index;
int begin;
int length;
long long int pieceDataOffset;
int leftPieceDataLength;
bool inProgress;
PeerConnection* peerConnection;
public:
PendingMessage(int peerMessageId, PeerConnection* peerConnection):peerMessageId(peerMessageId), inProgress(false), peerConnection(peerConnection) {}
~PendingMessage() {}
void setPeerMessageId(int peerMessageId) { this->peerMessageId = peerMessageId; }
int getPeerMessageId() const { return peerMessageId; }
void setPieceDataOffset(long long int offset) { this->pieceDataOffset = offset; }
long long int getPieceDataOffset() const { return pieceDataOffset; }
void setLeftPieceDataLength(int length) { this->leftPieceDataLength = length; }
int getLeftPieceDataLength() const { return leftPieceDataLength; }
void setInProgress(bool inprogress) { this->inProgress = inProgress; }
bool isInProgress() const { return inProgress; }
void setIndex(int index) { this->index = index; }
int getIndex() const { return index; }
void setBegin(int begin) { this->begin = begin; }
int getBegin() const { return begin; }
void setLength(int length) { this->length = length; }
int getLength() const { return length; }
bool processMessage();
static PendingMessage createRequestMessage(int index, int begin, int length, PeerConnection* peerConnection);
static PendingMessage createCancelMessage(int index, int begin, int length, PeerConnection* peerConnection);
static PendingMessage createPieceMessage(int index, int begin, int length, int pieceLength, PeerConnection* peerConnection);
static PendingMessage createHaveMessage(int index, PeerConnection* peerConnectioin);
};
typedef vector<PendingMessage> PendingMessages;
#endif // _D_PENDING_MESSAGE_H_

84
src/Piece.cc Normal file
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@ -0,0 +1,84 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "Piece.h"
Piece Piece::nullPiece;
Piece::Piece(const Piece& piece) {
index = piece.index;
length = piece.length;
if(piece.bitfield == NULL) {
bitfield = NULL;
} else {
bitfield = new BitfieldMan(*piece.bitfield);
}
}
Piece& Piece::operator=(const Piece& piece) {
if(this != &piece) {
index = piece.index;
length = piece.length;
if(bitfield != NULL) {
delete bitfield;
}
if(piece.bitfield == NULL) {
bitfield = NULL;
} else {
bitfield = new BitfieldMan(*piece.bitfield);
}
}
return *this;
}
void Piece::completeBlock(int blockIndex) {
bitfield->setBit(blockIndex);
bitfield->unsetUseBit(blockIndex);
}
void Piece::clearAllBlock() {
bitfield->clearAllBit();
}
void Piece::setAllBlock() {
bitfield->setAllBit();
}
bool Piece::pieceComplete() const {
return bitfield->isAllBitSet();
}
void Piece::cancelBlock(int blockIndex) {
bitfield->unsetUseBit(blockIndex);
}
int Piece::getMissingUnusedBlockIndex() const {
int blockIndex = bitfield->getFirstMissingUnusedIndex();
if(blockIndex == -1) {
return blockIndex;
}
bitfield->setUseBit(blockIndex);
return blockIndex;
}
vector<int> Piece::getAllMissingBlockIndexes() const {
return bitfield->getAllMissingIndexes();
}

81
src/Piece.h Normal file
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@ -0,0 +1,81 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PIECE_H_
#define _D_PIECE_H_
#include "BitfieldMan.h"
#include "common.h"
#define BLOCK_LENGTH 16*1024
class Piece {
private:
int index;
int length;
BitfieldMan* bitfield;
public:
Piece():index(0), length(0), bitfield(NULL) {}
Piece(int index, int length):index(index), length(length) {
bitfield = new BitfieldMan(BLOCK_LENGTH, length);
}
Piece(const Piece& piece);
~Piece() {
delete bitfield;
}
Piece& operator=(const Piece& piece);
int getMissingUnusedBlockIndex() const;
vector<int> getAllMissingBlockIndexes() const;
void completeBlock(int blockIndex);
void cancelBlock(int blockIndex);
int countCompleteBlock() const {
return bitfield->countBlock()-bitfield->countMissingBlock();
}
bool hasBlock(int blockIndex) const {
return bitfield->isBitSet(blockIndex);
}
bool pieceComplete() const;
int countBlock() const { return bitfield->countBlock(); }
int getBlockLength(int index) const {
return bitfield->getBlockLength(index);
}
int getBlockLength() const { return bitfield->getBlockLength(); }
int getIndex() const { return index; }
void setIndex(int index) { this->index = index; }
int getLength() const { return length; }
void setLength(int index) { this->length = length; }
const unsigned char* getBitfield() const { return bitfield->getBitfield(); }
void setBitfield(const unsigned char* bitfield, int len);
void clearAllBlock();
void setAllBlock();
static Piece nullPiece;
static bool isNull(const Piece& piece) {
return piece.index == 0 && piece.length == 0;
}
};
#endif // _D_PIECE_H_

51
src/PreAllocationDiskWriter.cc
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@ -20,15 +20,16 @@
*/
/* copyright --> */
#include "PreAllocationDiskWriter.h"
#include "DlAbortEx.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "DlAbortEx.h"
PreAllocationDiskWriter::PreAllocationDiskWriter(unsigned long int size):AbstractDiskWriter(),size(size) {}
PreAllocationDiskWriter::PreAllocationDiskWriter(long long int totalLength)
:AbstractDiskWriter(),totalLength(totalLength) {}
PreAllocationDiskWriter::~PreAllocationDiskWriter() {}
@ -36,34 +37,32 @@ void PreAllocationDiskWriter::initAndOpenFile(string filename) {
createFile(filename, O_DIRECT);
int pageSize = getpagesize();
int bufSize = pageSize*4;
char* buf;
int size = pageSize*4;
int rt = posix_memalign((void**)&buf, pageSize, size);
int rt = posix_memalign((void**)&buf, pageSize, bufSize);
if(rt != 0) {
throw new DlAbortEx(strerror(rt));
}
memset(buf, 0, size);
int x = size/4096;
int r = size%4096;
for(int i = 0; i < x; i++) {
if(write(fd, buf, size) < 0) {
free(buf);
throw new DlAbortEx(strerror(errno));
try {
memset(buf, 0, bufSize);
long long int x = totalLength/bufSize;
int r = totalLength%bufSize;
for(long long int i = 0; i < x; i++) {
if(write(fd, buf, bufSize) < 0) {
throw new DlAbortEx(strerror(errno));
}
}
}
free(buf);
closeFile();
openExistingFile(filename);
char cbuf[4096];
memset(cbuf, 0, sizeof(cbuf));
if(write(fd, cbuf, r) < 0) {
throw new DlAbortEx(strerror(errno));
closeFile();
openExistingFile(filename);
if(r > 0) {
seek(totalLength-r);
if(write(fd, buf, r) < 0) {
throw new DlAbortEx(strerror(errno));
}
}
free(buf);
} catch(Exception* ex) {
free(buf);
throw;
}
}
void PreAllocationDiskWriter::writeData(const char* data, int len, unsigned long int offset) {
int x = lseek(fd, offset, SEEK_SET);
// TODO check the return value of write
writeDataInternal(data, len);
}

6
src/PreAllocationDiskWriter.h
View File

@ -26,14 +26,12 @@
class PreAllocationDiskWriter:public AbstractDiskWriter {
private:
unsigned long int size;
long long int totalLength;
public:
PreAllocationDiskWriter(unsigned long int size);
PreAllocationDiskWriter(long long int totalLength);
~PreAllocationDiskWriter();
void initAndOpenFile(string filename);
void writeData(const char* data, int len, unsigned long int position);
};
#endif // _D_PRE_ALLOCATION_DISK_WRITER_H_

2
src/Request.cc
View File

@ -22,7 +22,7 @@
#include "Request.h"
#include "Util.h"
Request::Request():port(0), tryCount(0) {
Request::Request():port(0), tryCount(0), isTorrent(false) {
defaultPorts["http"] = 80;
#ifdef HAVE_LIBSSL
// for SSL

13
src/Request.h
View File

@ -56,10 +56,12 @@ private:
string file;
map<string, int> defaultPorts;
int tryCount;
int trackerEvent;
bool parseUrl(string url);
public:
Segment seg;
CookieBox* cookieBox;
bool isTorrent;
public:
Request();
virtual ~Request();
@ -87,6 +89,17 @@ public:
int getPort() const { return port; }
string getDir() const { return dir; }
string getFile() const { return file;}
void setTrackerEvent(int event) { trackerEvent = event; }
int getTrackerEvent() const { return trackerEvent; }
enum TRACKER_EVENT {
AUTO,
STARTED,
STOPPED,
COMPLETED
};
};
#endif // _D_REQUEST_H_

70
src/RequestSlot.cc Normal file
View File

@ -0,0 +1,70 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "RequestSlot.h"
#include "Util.h"
RequestSlot::RequestSlot(int index, int begin, int length, int blockIndex)
:index(index), begin(begin), length(length), blockIndex(blockIndex) {
setDispatchedTime();
}
RequestSlot::RequestSlot(const RequestSlot& requestSlot) {
copy(requestSlot);
}
RequestSlot& RequestSlot::operator=(const RequestSlot& requestSlot) {
if(this != &requestSlot) {
copy(requestSlot);
}
return *this;
}
void RequestSlot::copy(const RequestSlot& requestSlot) {
index = requestSlot.index;
begin = requestSlot.begin;
length = requestSlot.length;
blockIndex = requestSlot.blockIndex;
dispatchedTime = requestSlot.dispatchedTime;
}
RequestSlot RequestSlot::nullSlot(0, 0, 0, 0);
void RequestSlot::setDispatchedTime() {
gettimeofday(&dispatchedTime, NULL);
}
bool RequestSlot::isTimeout(int timeoutSec) const {
struct timeval now;
gettimeofday(&now, NULL);
return Util::difftv(now, dispatchedTime) > timeoutSec*1000000;
}
bool RequestSlot::isNull(const RequestSlot& requestSlot) {
return requestSlot.index == 0 && requestSlot.begin == 0&&
requestSlot.length == 0;
}
bool RequestSlot::operator==(const RequestSlot& requestSlot) const {
return index == requestSlot.index &&
begin == requestSlot.begin &&
length == requestSlot.length;
}

63
src/RequestSlot.h Normal file
View File

@ -0,0 +1,63 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_REQUEST_SLOT_H_
#define _D_REQUEST_SLOT_H_
#include "common.h"
#include <sys/time.h>
class RequestSlot {
private:
struct timeval dispatchedTime;
int index;
int begin;
int length;
int blockIndex;
void copy(const RequestSlot& requestSlot);
public:
RequestSlot(int index, int begin, int legnth, int blockIndex);
RequestSlot(const RequestSlot& requestSlot);
~RequestSlot() {}
RequestSlot& operator=(const RequestSlot& requestSlot);
void setDispatchedTime();
bool isTimeout(int timeoutSec) const;
bool operator==(const RequestSlot& requestSlot) const;
int getIndex() const { return index; }
void setIndex(int index) { this->index = index; }
int getBegin() const { return begin; }
void setBegin(int begin) { this->begin = begin; }
int getLength() const { return length; }
void setLength(int length) { this->length = length; }
int getBlockIndex() const { return blockIndex; }
void setBlockIndex(int blockIndex) { this->blockIndex = blockIndex; }
static RequestSlot nullSlot;
static bool isNull(const RequestSlot& requestSlot);
};
#endif // _D_REQUEST_SLOT_H_

98
src/RequestSlotMan.cc Normal file
View File

@ -0,0 +1,98 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "RequestSlotMan.h"
void RequestSlotMan::addRequestSlot(const RequestSlot& requestSlot) {
requestSlots.push_back(requestSlot);
}
void RequestSlotMan::deleteRequestSlot(const RequestSlot& requestSlot) {
for(RequestSlots::iterator itr = requestSlots.begin();
itr != requestSlots.end(); itr++) {
if(*itr == requestSlot) {
requestSlots.erase(itr);
break;
}
}
}
void RequestSlotMan::deleteAllRequestSlot(Piece& piece) {
if(!Piece::isNull(piece)) {
for(RequestSlots::const_iterator itr = requestSlots.begin();
itr != requestSlots.end(); itr++) {
if(itr->getIndex() == piece.getIndex()) {
piece.cancelBlock(itr->getBlockIndex());
}
}
torrentMan->updatePiece(piece);
}
requestSlots.clear();
}
void RequestSlotMan::deleteTimedoutRequestSlot(Piece& piece) {
for(RequestSlots::iterator itr = requestSlots.begin();
itr != requestSlots.end();) {
if(itr->isTimeout(timeout)) {
logger->debug("CUID#%d - deleting requestslot blockIndex %d because of time out", cuid,
itr->getBlockIndex());
if(!Piece::isNull(piece)) {
piece.cancelBlock(itr->getBlockIndex());
}
itr = requestSlots.erase(itr);
} else {
itr++;
}
}
torrentMan->updatePiece(piece);
}
void RequestSlotMan::deleteCompletedRequestSlot(const Piece& piece) {
for(RequestSlots::iterator itr = requestSlots.begin();
itr != requestSlots.end();) {
if(Piece::isNull(piece) || piece.hasBlock(itr->getBlockIndex())) {
logger->debug("CUID#%d - deleting requestslot blockIndex %d because the block is already acquired.", cuid,
itr->getBlockIndex());
PendingMessage pendingMessage =
PendingMessage::createCancelMessage(itr->getIndex(),
itr->getBegin(),
itr->getLength(),
peerConnection);
pendingMessages->push_back(pendingMessage);
itr = requestSlots.erase(itr);
} else {
itr++;
}
}
}
RequestSlot RequestSlotMan::getCorrespoindingRequestSlot(const PeerMessage* pieceMessage) const {
for(RequestSlots::const_iterator itr = requestSlots.begin();
itr != requestSlots.end(); itr++) {
const RequestSlot& slot = *itr;
if(slot.getIndex() == pieceMessage->getIndex() &&
slot.getBegin() == pieceMessage->getBegin() &&
slot.getLength() == pieceMessage->getBlockLength()) {
return slot;
}
}
return RequestSlot::nullSlot;
}

72
src/RequestSlotMan.h Normal file
View File

@ -0,0 +1,72 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_REQUEST_SLOT_MAN_H_
#define _D_REQUEST_SLOT_MAN_H_
#include "RequestSlot.h"
#include "common.h"
#include "PeerMessage.h"
#include "Logger.h"
#include "PeerConnection.h"
#include "PendingMessage.h"
#include "TorrentMan.h"
#include <vector>
#define DEFAULT_TIME_OUT 120
typedef vector<RequestSlot> RequestSlots;
class RequestSlotMan {
private:
int cuid;
RequestSlots requestSlots;
int timeout;
PendingMessages* pendingMessages;
PeerConnection* peerConnection;
TorrentMan* torrentMan;
const Logger* logger;
public:
RequestSlotMan(int cuid,
PendingMessages* pendingMessages,
PeerConnection* peerConnection,
TorrentMan* torrentMan,
const Logger* logger):cuid(cuid), timeout(DEFAULT_TIME_OUT),
pendingMessages(pendingMessages), peerConnection(peerConnection),
torrentMan(torrentMan), logger(logger) {}
~RequestSlotMan() {}
void addRequestSlot(const RequestSlot& requestSlot);
void deleteRequestSlot(const RequestSlot& requestSlot);
void deleteAllRequestSlot(Piece& piece);
void deleteTimedoutRequestSlot(Piece& piece);
void deleteCompletedRequestSlot(const Piece& piece);
RequestSlot getCorrespoindingRequestSlot(const PeerMessage* pieceMessage) const;
bool isEmpty() { return requestSlots.empty(); }
int countRequestSlot() const { return requestSlots.size(); }
void setTimeout(int timeout) { this->timeout = timeout; }
int getTimeout() const { return timeout; }
};
#endif // _D_REQUEST_SLOT_MAN_H_

82
src/ShaVisitor.cc Normal file
View File

@ -0,0 +1,82 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "ShaVisitor.h"
#include "Util.h"
ShaVisitor::ShaVisitor() {
EVP_MD_CTX_init(&ctx);
EVP_DigestInit_ex(&ctx, EVP_sha1(), NULL);
}
ShaVisitor::~ShaVisitor() {
EVP_MD_CTX_cleanup(&ctx);
}
void ShaVisitor::visit(const Data* d) {
if(d->isNumber()) {
EVP_DigestUpdate(&ctx, "i", 1);
} else {
string lenStr = Util::llitos(d->getLen());
EVP_DigestUpdate(&ctx, lenStr.c_str(), lenStr.size());
EVP_DigestUpdate(&ctx, ":", 1);
}
EVP_DigestUpdate(&ctx, d->getData(), d->getLen());
if(d->isNumber()) {
EVP_DigestUpdate(&ctx, "e", 1);
}
}
void ShaVisitor::visit(const Dictionary* d) {
EVP_DigestUpdate(&ctx, "d", 1);
const vector<string>& v = d->getOrder();
for(vector<string>::const_iterator itr = v.begin(); itr != v.end(); itr++) {
string lenStr = Util::llitos(itr->size());
EVP_DigestUpdate(&ctx, lenStr.c_str(), lenStr.size());
EVP_DigestUpdate(&ctx, ":", 1);
EVP_DigestUpdate(&ctx, itr->c_str(), itr->size());
const MetaEntry* e = d->get(*itr);
this->visit(e);
}
EVP_DigestUpdate(&ctx, "e", 1);
}
void ShaVisitor::visit(const List* l) {
EVP_DigestUpdate(&ctx, "l", 1);
for(MetaList::const_iterator itr = l->getList().begin(); itr != l->getList().end(); itr++) {
this->visit(*itr);
}
EVP_DigestUpdate(&ctx, "e", 1);
}
void ShaVisitor::visit(const MetaEntry* e) {
if(dynamic_cast<const Data*>(e) != NULL) {
visit((const Data*)e);
} else if(dynamic_cast<const Dictionary*>(e) != NULL) {
visit((const Dictionary*)e);
} else if(dynamic_cast<const List*>(e) != NULL) {
visit((const List*)e);
}
}
void ShaVisitor::getHash(unsigned char* hashValue, int& len) {
EVP_DigestFinal_ex(&ctx, hashValue, (unsigned int*)&len);
}

47
src/ShaVisitor.h Normal file
View File

@ -0,0 +1,47 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_SHA_VISITOR_H_
#define _D_SHA_VISITOR_H_
#include "MetaEntryVisitor.h"
#include "Data.h"
#include "Dictionary.h"
#include "List.h"
#include "common.h"
#include <openssl/evp.h>
class ShaVisitor : public MetaEntryVisitor {
private:
EVP_MD_CTX ctx;
public:
ShaVisitor();
~ShaVisitor();
void visit(const Data* d);
void visit(const Dictionary* d);
void visit(const List* l);
void visit(const MetaEntry* e);
void getHash(unsigned char* md, int& s);
};
#endif // _D_SHA_VISITOR_H_

8
src/Socket.cc
View File

@ -53,14 +53,18 @@ Socket& Socket::operator=(const Socket& s) {
return *this;
}
void Socket::beginListen() const {
core->beginListen();
void Socket::beginListen(int port) const {
core->beginListen(port);
}
void Socket::getAddrInfo(pair<string, int>& addrinfo) const {
core->getAddrInfo(addrinfo);
}
void Socket::getPeerInfo(pair<string, int>& peerinfo) const {
core->getPeerInfo(peerinfo);
}
Socket* Socket::acceptConnection() const {
return new Socket(core->acceptConnection());
}

7
src/Socket.h
View File

@ -51,13 +51,18 @@ public:
/**
* @see SocketCore::beginListen()
*/
void beginListen() const;
void beginListen(int port = 0) const;
/**
* @see SocketCore::getAddrInfo()
*/
void getAddrInfo(pair<string, int>& addrinfo) const;
/**
* @see SocketCore::getPeerInfo();
*/
void getPeerInfo(pair<string, int>& peerinfo) const;
/**
* @see SocketCore::acceptConnection()
*/

26
src/SocketCore.cc
View File

@ -56,7 +56,7 @@ SocketCore::~SocketCore() {
closeConnection();
}
void SocketCore::beginListen() {
void SocketCore::beginListen(int port) {
closeConnection();
//sockfd = socket(AF_UNSPEC, SOCK_STREAM, PF_UNSPEC);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
@ -74,7 +74,7 @@ void SocketCore::beginListen() {
memset((char*)&sockaddr, 0, sizeof(sockaddr));
sockaddr.sin_family = AF_INET;
sockaddr.sin_addr.s_addr = INADDR_ANY;
sockaddr.sin_port = htons(0);
sockaddr.sin_port = htons(port);
if(bind(sockfd, (struct sockaddr*)&sockaddr, sizeof(sockaddr)) == -1) {
throw new DlAbortEx(strerror(errno));
@ -93,6 +93,7 @@ SocketCore* SocketCore::acceptConnection() const {
if((fd = accept(sockfd, (struct sockaddr*)&sockaddr, &len)) == -1) {
throw new DlAbortEx(strerror(errno));
}
SocketCore* s = new SocketCore(fd);
return s;
}
@ -108,6 +109,17 @@ void SocketCore::getAddrInfo(pair<string, int>& addrinfo) const {
addrinfo.second = ntohs(listenaddr.sin_port);
}
void SocketCore::getPeerInfo(pair<string, int>& peerinfo) const {
struct sockaddr_in peerin;
memset(&peerin, 0, sizeof(peerin));
int len = sizeof(peerin);
if(getpeername(sockfd, (struct sockaddr*)&peerin, (socklen_t*)&len) < 0) {
throw new DlAbortEx(strerror(errno));
}
peerinfo.first = inet_ntoa(peerin.sin_addr);
peerinfo.second = ntohs(peerin.sin_port);
}
void SocketCore::establishConnection(string host, int port) {
closeConnection();
sockfd = socket(AF_INET, SOCK_STREAM, 0);
@ -134,7 +146,6 @@ void SocketCore::establishConnection(string host, int port) {
ai.ai_family = PF_INET;
ai.ai_socktype = SOCK_STREAM;
ai.ai_protocol = 0;
ai.ai_addr = (struct sockaddr*)&sockaddr;
struct addrinfo* res;
int ec;
if((ec = getaddrinfo(host.c_str(), NULL, &ai, &res)) != 0) {
@ -227,8 +238,7 @@ bool SocketCore::isReadable(int timeout) const {
}
void SocketCore::writeData(const char* data, int len, int timeout) const {
if(!isWritable(timeout) ||
!secure && send(sockfd, data, (size_t)len, 0) != len
if(!secure && send(sockfd, data, (size_t)len, 0) != len
#ifdef HAVE_LIBSSL
// for SSL
// TODO handling len == 0 case required
@ -240,8 +250,7 @@ void SocketCore::writeData(const char* data, int len, int timeout) const {
}
void SocketCore::readData(char* data, int& len, int timeout) const {
if(!isReadable(timeout) ||
!secure && (len = recv(sockfd, data, (size_t)len, 0)) < 0
if(!secure && (len = recv(sockfd, data, (size_t)len, 0)) < 0
#ifdef HAVE_LIBSSL
// for SSL
// TODO handling len == 0 case required
@ -253,8 +262,7 @@ void SocketCore::readData(char* data, int& len, int timeout) const {
}
void SocketCore::peekData(char* data, int& len, int timeout) const {
if(!isReadable(timeout) ||
!secure && (len = recv(sockfd, data, (size_t)len, MSG_PEEK)) < 0
if(!secure && (len = recv(sockfd, data, (size_t)len, MSG_PEEK)) < 0
#ifdef HAVE_LIBSSL
// for SSL
// TODO handling len == 0 case required

16
src/SocketCore.h
View File

@ -54,14 +54,22 @@ public:
/**
* Creates a socket and listens form connection on it.
* @param port port to listen. If 0 is specified, os automaticaly
* choose avaiable port.
*/
void beginListen();
void beginListen(int port = 0);
/**
* Stores host address and port of this socket to addrinfo.
* @param addrinfo placeholder to store host address and port.
*/
void getAddrInfo(pair<string, int>& addrinfo) const;
/**
* Stores peer's address and port to peerinfo.
* @param peerinfo placeholder to store peer's address and port.
*/
void getPeerInfo(pair<string, int>& peerinfo) const;
/**
* Accepts incoming connection on this socket.
@ -118,7 +126,7 @@ public:
* @param timeout the amount of time elapsed before isWritable()
* are timed out.
*/
void writeData(const char* data, int len, int timeout = 5) const;
void writeData(const char* data, int len, int timeout = 0) const;
/**
* Reads up to len bytes from this socket.
@ -134,7 +142,7 @@ public:
* @param timeout the amount of time elapsed before isReadable() are timed
* out.
*/
void readData(char* data, int& len, int timeout = 5) const;
void readData(char* data, int& len, int timeout = 0) const;
/**
* Reads up to len bytes from this socket, but bytes are not removed from
@ -147,7 +155,7 @@ public:
* @param timeout the amount of time elapsed before isReadable() are timed
* out.
*/
void peekData(char* data, int& len, int timeout = 5) const;
void peekData(char* data, int& len, int timeout = 0) const;
/**
* Makes this socket secure.

37
src/TorrentAutoSaveCommand.cc Normal file
View File

@ -0,0 +1,37 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "TorrentAutoSaveCommand.h"
#include "SleepCommand.h"
TorrentAutoSaveCommand::TorrentAutoSaveCommand(int cuid, TorrentDownloadEngine* e, int interval):Command(cuid), e(e), interval(interval) {}
TorrentAutoSaveCommand::~TorrentAutoSaveCommand() {}
bool TorrentAutoSaveCommand::execute() {
if(e->torrentMan->downloadComplete()) {
return true;
}
e->torrentMan->save();
SleepCommand* sleepCommand = new SleepCommand(cuid, e, this, interval);
e->commands.push(sleepCommand);
return false;
}

40
src/TorrentAutoSaveCommand.h Normal file
View File

@ -0,0 +1,40 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_TORRENT_AUTO_SAVE_COMMAND_H_
#define _D_TORRENT_AUTO_SAVE_COMMAND_H_
#include "Command.h"
#include "TorrentDownloadEngine.h"
class TorrentAutoSaveCommand : public Command {
private:
int cuid;
TorrentDownloadEngine* e;
int interval;
public:
TorrentAutoSaveCommand(int cuid, TorrentDownloadEngine* e, int interval);
~TorrentAutoSaveCommand();
bool execute();
};
#endif // _D_TORRENT_AUTO_SAVE_COMMAND_H_

132
src/TorrentConsoleDownloadEngine.cc Normal file
View File

@ -0,0 +1,132 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "TorrentConsoleDownloadEngine.h"
#include "Util.h"
TorrentConsoleDownloadEngine::TorrentConsoleDownloadEngine() {}
TorrentConsoleDownloadEngine::~TorrentConsoleDownloadEngine() {}
void TorrentConsoleDownloadEngine::printStatistics() {
printf("\r ");
printf("\r");
printf("%s/%sB %d%% DW:%.2f UP:%.2f(%s) %dpeers",
Util::llitos(torrentMan->getDownloadedSize(), true).c_str(),
Util::llitos(torrentMan->totalSize, true).c_str(),
(torrentMan->totalSize == 0 ?
0 : (int)((torrentMan->getDownloadedSize()*100)/torrentMan->totalSize)),
downloadSpeed/1000.0,
uploadSpeed/1000.0,
Util::llitos(torrentMan->getUploadedSize(), true).c_str(),
torrentMan->connections);
fflush(stdout);
}
void TorrentConsoleDownloadEngine::initStatistics() {
/*
gettimeofday(&cp, NULL);
*/
downloadSpeed = 0;
uploadSpeed = 0;
/*
sessionDownloadSize = 0;
sessionUploadSize = 0;
*/
lastElapsed = 0;
gettimeofday(&cp[0], NULL);
gettimeofday(&cp[1], NULL);
sessionDownloadSize[0] = 0;
sessionDownloadSize[1] = 0;
sessionUploadSize[0] = 0;
sessionUploadSize[1] = 0;
currentCp = 0;
}
/*
int TorrentConsoleDownloadEngine::calculateSpeed(int deltaSize, long long int elapsed, int prevSpeed) {
int nowSpeed = (int)(deltaSize/(elapsed/1000000.0));
return (nowSpeed+prevSpeed)/2;
}
*/
int TorrentConsoleDownloadEngine::calculateSpeed(long long int sessionSize, long long int elapsed) {
int nowSpeed = (int)(sessionSize/(elapsed/1000000.0));
return nowSpeed;
}
void TorrentConsoleDownloadEngine::calculateStatistics() {
/*
struct timeval now;
gettimeofday(&now, NULL);
long long int elapsed = Util::difftv(now, cp);
sessionDownloadSize += torrentMan->getDeltaDownload();
sessionUploadSize += torrentMan->getDeltaUpload();
downloadSpeed = calculateSpeed(sessionDownloadSize, elapsed);
uploadSpeed = calculateSpeed(sessionUploadSize, elapsed);
torrentMan->resetDeltaDownload();
torrentMan->resetDeltaUpload();
if(elapsed-lastElapsed >= 1000000) {
printStatistics();
lastElapsed = elapsed;
}
*/
struct timeval now;
gettimeofday(&now, NULL);
long long int elapsed = Util::difftv(now, cp[currentCp]);
sessionDownloadSize[0] += torrentMan->getDeltaDownload();
sessionUploadSize[0] += torrentMan->getDeltaUpload();
sessionDownloadSize[1] += torrentMan->getDeltaDownload();
sessionUploadSize[1] += torrentMan->getDeltaUpload();
downloadSpeed = calculateSpeed(sessionDownloadSize[currentCp], elapsed);
uploadSpeed = calculateSpeed(sessionUploadSize[currentCp], elapsed);
torrentMan->resetDeltaDownload();
torrentMan->resetDeltaUpload();
if(elapsed-lastElapsed >= 1000000) {
printStatistics();
lastElapsed = elapsed;
}
if(elapsed > 15*1000000) {
sessionDownloadSize[currentCp] = 0;
sessionUploadSize[currentCp] = 0;
cp[currentCp] = now;
lastElapsed = 0;
currentCp = currentCp ? 0 : 1;
}
/*
if(elapsed >= 1000000) {
downloadSpeed = calculateSpeed(torrentMan->getDeltaDownload(),
elapsed, downloadSpeed);
uploadSpeed = calculateSpeed(torrentMan->getDeltaUpload(),
elapsed, uploadSpeed);
torrentMan->resetDeltaDownload();
torrentMan->resetDeltaUpload();
cp = now;
printStatistics();
}
*/
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_TORRENT_CONSOLE_DOWNLOAD_ENGINE_H_
#define _D_TORRENT_CONSOLE_DOWNLOAD_ENGINE_H_
#include "TorrentDownloadEngine.h"
class TorrentConsoleDownloadEngine : public TorrentDownloadEngine {
private:
/*
struct timeval cp;
long long int sessionDownloadSize;
long long int sessionUploadSize;
*/
struct timeval cp[2];
long long int sessionDownloadSize[2];
long long int sessionUploadSize[2];
int currentCp;
int downloadSpeed;
int uploadSpeed;
long long int lastElapsed;
void printStatistics();
int calculateSpeed(long long int sessionSize, long long int elapsed);
protected:
void initStatistics();
void calculateStatistics();
public:
TorrentConsoleDownloadEngine();
~TorrentConsoleDownloadEngine();
};
#endif // _D_TORRENT_CONSOLE_DOWNLOAD_ENGINE_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "TorrentDownloadEngine.h"
void TorrentDownloadEngine::onEndOfRun() {
torrentMan->diskWriter->closeFile();
if(torrentMan->downloadComplete()) {
torrentMan->remove();
torrentMan->fixFilename();
} else {
torrentMan->save();
}
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_TORRENT_DOWNLOAD_ENGINE_H_
#define _D_TORRENT_DOWNLOAD_ENGINE_H_
#include "DownloadEngine.h"
#include "TorrentMan.h"
class TorrentDownloadEngine : public DownloadEngine {
protected:
void onEndOfRun();
public:
TorrentDownloadEngine() {}
virtual ~TorrentDownloadEngine() {}
TorrentMan* torrentMan;
};
#endif // _D_TORRENT_DOWNLOAD_ENGINE_H_

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "TorrentMan.h"
#include "Dictionary.h"
#include "List.h"
#include "ShaVisitor.h"
#include "Util.h"
#include "MetaFileUtil.h"
#include "DlAbortEx.h"
#include "File.h"
#include "message.h"
#include "PreAllocationDiskWriter.h"
#include <errno.h>
#include <libgen.h>
#include <string.h>
TorrentMan::TorrentMan():bitfield(NULL),
peerEntryIdCounter(0), cuidCounter(0),
downloadedSize(0), uploadedSize(0),
deltaDownload(0), deltaUpload(0),
multiFileTopDir(NULL),
interval(DEFAULT_ANNOUNCE_INTERVAL),
minInterval(DEFAULT_ANNOUNCE_MIN_INTERVAL),
complete(0), incomplete(0),
connections(0) {}
TorrentMan::~TorrentMan() {
if(bitfield != NULL) {
delete bitfield;
}
if(multiFileTopDir != NULL) {
delete multiFileTopDir;
}
for(Peers::iterator itr = peers.begin(); itr != peers.end(); itr++) {
delete *itr;
}
}
// TODO do not use this method in application code
void TorrentMan::updatePeers(const Peers& peers) {
this->peers = peers;
}
bool TorrentMan::addPeer(Peer* peer, bool duplicate) {
if(duplicate) {
for(Peers::iterator itr = peers.begin(); itr != peers.end(); itr++) {
Peer* p = *itr;
if(p->ipaddr == peer->ipaddr && p->port == peer->port && p->error > 0) {
return false;
}
}
} else {
for(Peers::iterator itr = peers.begin(); itr != peers.end(); itr++) {
Peer* p = *itr;
if(p->ipaddr == peer->ipaddr && p->port == peer->port) {
return false;
}
}
}
++peerEntryIdCounter;
peer->entryId = peerEntryIdCounter;
peers.push_back(peer);
return true;
}
/*
void TorrentMan::updatePeer(const Peer& peer) {
for(Peers::iterator itr = peers.begin(); itr != peers.end(); itr++) {
Peer& p = *itr;
if(p.eid == peer.eid) {
p = peer;
break;
}
}
}
*/
bool TorrentMan::isPeerAvailable() const {
return getPeer() != Peer::nullPeer;
}
int TorrentMan::deleteOldErrorPeers(int maxNum) {
int counter = 0;
for(Peers::iterator itr = peers.begin(); itr != peers.end();) {
Peer* p = *itr;
if(p->error != 0 && p->cuid == 0) {
delete p;
itr = peers.erase(itr);
counter++;
if(maxNum <= counter) {
break;
}
} else {
itr++;
}
}
return counter;
}
Peer* TorrentMan::getPeer() const {
for(Peers::const_iterator itr = peers.begin(); itr != peers.end(); itr++) {
Peer* p = *itr;
if(p->cuid == 0 && p->error == 0) {
return p;
}
}
return Peer::nullPeer;
}
bool TorrentMan::isEndGame() const {
return bitfield->countMissingBlock() <= END_GAME_PIECE_NUM;
}
Piece TorrentMan::getMissingPiece(const unsigned char* peerBitfield, int length) {
int index = -1;
if(isEndGame()) {
index = bitfield->getMissingIndex(peerBitfield, length);
} else {
index = bitfield->getMissingUnusedIndex(peerBitfield, length);
}
if(index == -1) {
return Piece::nullPiece;
}
bitfield->setUseBit(index);
Piece piece = findUsedPiece(index);
if(Piece::isNull(piece)) {
Piece piece(index, bitfield->getBlockLength(index));
addUsedPiece(piece);
return piece;
} else {
return piece;
}
}
int TorrentMan::deleteUsedPiecesByFillRate(int fillRate, int toDelete) {
int deleted = 0;
for(UsedPieces::iterator itr = usedPieces.begin();
itr != usedPieces.end() && deleted < toDelete;) {
Piece& piece = *itr;
if(!bitfield->isUseBitSet(piece.getIndex()) &&
piece.countCompleteBlock() <= piece.countBlock()*(fillRate/100.0)) {
logger->debug("deleting used piece index=%d, fillRate(%%)=%d<=%d",
piece.getIndex(),
(piece.countCompleteBlock()*100)/piece.countBlock(),
fillRate);
itr = usedPieces.erase(itr);
deleted++;
} else {
itr++;
}
}
return deleted;
}
void TorrentMan::reduceUsedPieces(int max) {
int toDelete = usedPieces.size()-max;
if(toDelete <= 0) {
return;
}
int fillRate = 10;
while(fillRate < 50) {
int deleted = deleteUsedPiecesByFillRate(fillRate, toDelete);
if(deleted == 0) {
break;
}
toDelete -= deleted;
fillRate += 10;
}
}
void TorrentMan::addUsedPiece(const Piece& piece) {
usedPieces.push_back(piece);
}
Piece TorrentMan::findUsedPiece(int index) const {
for(UsedPieces::const_iterator itr = usedPieces.begin(); itr != usedPieces.end(); itr++) {
const Piece& piece = *itr;
if(piece.getIndex() == index) {
return piece;
}
}
return Piece::nullPiece;
}
void TorrentMan::deleteUsedPiece(const Piece& piece) {
if(Piece::isNull(piece)) {
return;
}
for(UsedPieces::iterator itr = usedPieces.begin(); itr != usedPieces.end(); itr++) {
if(itr->getIndex() == piece.getIndex()) {
usedPieces.erase(itr);
break;
}
}
}
void TorrentMan::completePiece(const Piece& piece) {
if(Piece::isNull(piece)) {
return;
}
bitfield->setBit(piece.getIndex());
bitfield->unsetUseBit(piece.getIndex());
addDownloadedSize(piece.getLength());
deleteUsedPiece(piece);
if(!isEndGame()) {
reduceUsedPieces(100);
}
}
void TorrentMan::cancelPiece(const Piece& piece) {
if(Piece::isNull(piece)) {
return;
}
bitfield->unsetUseBit(piece.getIndex());
if(!isEndGame()) {
if(piece.countCompleteBlock() == 0) {
deleteUsedPiece(piece);
}
}
}
void TorrentMan::updatePiece(const Piece& piece) {
if(Piece::isNull(piece)) {
return;
}
for(UsedPieces::iterator itr = usedPieces.begin(); itr != usedPieces.end(); itr++) {
if(itr->getIndex() == piece.getIndex()) {
*itr = piece;
break;
}
}
}
void TorrentMan::syncPiece(Piece& piece) {
if(Piece::isNull(piece)) {
return;
}
for(UsedPieces::iterator itr = usedPieces.begin(); itr != usedPieces.end(); itr++) {
if(itr->getIndex() == piece.getIndex()) {
piece = *itr;
return;
}
}
// hasPiece(piece.getIndex()) is true, then set all bit of
// piece.bitfield to 1
if(hasPiece(piece.getIndex())) {
piece.setAllBlock();
}
}
void TorrentMan::initBitfield() {
if(bitfield != NULL) {
delete bitfield;
}
bitfield = new BitfieldMan(pieceLength, totalSize);
}
void TorrentMan::setBitfield(unsigned char* bitfield, int bitfieldLength) {
if(this->bitfield == NULL) {
initBitfield();
}
this->bitfield->setBitfield(bitfield, bitfieldLength);
}
bool TorrentMan::downloadComplete() const {
return bitfield->isAllBitSet();
}
void TorrentMan::setup(string metaInfoFile) {
peerId = "-A2****-";
for(int i = 0; i < 12; i++) {
peerId += Util::itos((int)(((double)10)*random()/(RAND_MAX+1.0)));
}
uploadedSize = 0;
downloadedSize = 0;
Dictionary* topDic = (Dictionary*)MetaFileUtil::parseMetaFile(metaInfoFile);
const Dictionary* infoDic = (const Dictionary*)topDic->get("info");
ShaVisitor v;
infoDic->accept(&v);
unsigned char md[20];
int len;
v.getHash(md, len);
setInfoHash(md);
Data* topName = (Data*)infoDic->get("name");
if(topName != NULL) {
name = topName->toString();
} else {
char* basec = strdup(metaInfoFile.c_str());
name = string(basename(basec));
free(basec);
}
List* files = (List*)infoDic->get("files");
if(files == NULL) {
// single-file mode;
setFileMode(SINGLE);
Data* length = (Data*)infoDic->get("length");
totalSize = length->toLLInt();
} else {
long long int length = 0;
// multi-file mode
setFileMode(MULTI);
multiFileTopDir = new Directory(name);
const MetaList& metaList = files->getList();
for(MetaList::const_iterator itr = metaList.begin(); itr != metaList.end();
itr++) {
Dictionary* fileDic = (Dictionary*)(*itr);
Data* lengthData = (Data*)fileDic->get("length");
//length += strtoll(data->toString().c_str(), NULL, 10);
length += lengthData->toLLInt();
List* path = (List*)fileDic->get("path");
const MetaList& paths = path->getList();
Directory* parentDir = multiFileTopDir;
string filePath = name;
for(int i = 0; i < (int)paths.size()-1; i++) {
Data* subpath = (Data*)paths.at(i);
Directory* dir = new Directory(subpath->toString());
parentDir->addFile(dir);
parentDir = dir;
filePath.append("/").append(subpath->toString());
}
Data* lastpath = (Data*)paths.back();
filePath.append("/").append(lastpath->toString());
FileEntry fileEntry(filePath, lengthData->toLLInt());
multiFileEntries.push_back(fileEntry);
}
totalSize = length;
}
announce = ((Data*)topDic->get("announce"))->toString();
pieceLength = ((Data*)infoDic->get("piece length"))->toInt();
pieces = totalSize/pieceLength+(totalSize%pieceLength ? 1 : 0);
Data* piecesHashData = (Data*)infoDic->get("pieces");
if(piecesHashData->getLen() != pieces*20) {
throw new DlAbortEx("the number of pieces is wrong.");
}
for(int index = 0; index < pieces; index++) {
string hex = Util::toHex((unsigned char*)&piecesHashData->getData()[index*20], 20);
pieceHashes.push_back(hex);
logger->debug("piece #%d, hash:%s", index, hex.c_str());
}
initBitfield();
delete topDic;
diskWriter = new PreAllocationDiskWriter(totalSize);
if(segmentFileExists()) {
load();
diskWriter->openExistingFile(getTempFilePath());
} else {
diskWriter->initAndOpenFile(getTempFilePath());
}
}
bool TorrentMan::hasPiece(int index) const {
return bitfield->isBitSet(index);
}
string TorrentMan::getPieceHash(int index) const {
return pieceHashes.at(index);
}
string TorrentMan::getFilePath() const {
return (storeDir == "" ? "." : storeDir)+"/"+name;
}
string TorrentMan::getTempFilePath() const {
return getFilePath()+".a2tmp";
}
string TorrentMan::getSegmentFilePath() const {
return getFilePath()+".aria2";
}
bool TorrentMan::segmentFileExists() const {
string segFilename = getSegmentFilePath();
File f(segFilename);
if(f.isFile()) {
logger->info(MSG_SEGMENT_FILE_EXISTS, segFilename.c_str());
return true;
} else {
logger->info(MSG_SEGMENT_FILE_DOES_NOT_EXIST, segFilename.c_str());
return false;
}
}
FILE* TorrentMan::openSegFile(string segFilename, string mode) const {
FILE* segFile = fopen(segFilename.c_str(), mode.c_str());
if(segFile == NULL) {
throw new DlAbortEx(strerror(errno));
}
return segFile;
}
void TorrentMan::load() {
string segFilename = getSegmentFilePath();
logger->info(MSG_LOADING_SEGMENT_FILE, segFilename.c_str());
FILE* segFile = openSegFile(segFilename, "r+");
read(segFile);
fclose(segFile);
logger->info(MSG_LOADED_SEGMENT_FILE);
}
void TorrentMan::read(FILE* file) {
assert(file != NULL);
unsigned char savedInfoHash[INFO_HASH_LENGTH];
if(fread(savedInfoHash, INFO_HASH_LENGTH, 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
if(Util::toHex(savedInfoHash, INFO_HASH_LENGTH) != Util::toHex(infoHash, INFO_HASH_LENGTH)) {
throw new DlAbortEx("info hash mismatch");
}
unsigned char* savedBitfield = new unsigned char[bitfield->getBitfieldLength()];
try {
if(fread(savedBitfield, bitfield->getBitfieldLength(), 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
setBitfield(savedBitfield, bitfield->getBitfieldLength());
if(fread(&downloadedSize, sizeof(downloadedSize), 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
if(fread(&uploadedSize, sizeof(uploadedSize), 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
delete savedBitfield;
} catch(Exception* ex) {
delete savedBitfield;
throw;
}
}
void TorrentMan::save() const {
if(downloadedSize == 0) {
return;
}
string segFilename = getSegmentFilePath();
logger->info(MSG_SAVING_SEGMENT_FILE, segFilename.c_str());
FILE* file = openSegFile(segFilename, "w");
if(fwrite(infoHash, INFO_HASH_LENGTH, 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
if(fwrite(bitfield->getBitfield(), bitfield->getBitfieldLength(), 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
if(fwrite(&downloadedSize, sizeof(downloadedSize), 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
if(fwrite(&uploadedSize, sizeof(uploadedSize), 1, file) < 1) {
throw new DlAbortEx(strerror(errno));
}
fclose(file);
logger->info(MSG_SAVED_SEGMENT_FILE);
}
void TorrentMan::remove() const {
if(segmentFileExists()) {
File f(getSegmentFilePath());
f.remove();
}
}
void TorrentMan::fixFilename() const {
if(fileMode == SINGLE) {
renameSingleFile();
} else {
splitMultiFile();
}
}
void TorrentMan::renameSingleFile() const {
rename(getTempFilePath().c_str(), getFilePath().c_str());
}
void TorrentMan::splitMultiFile() const {
multiFileTopDir->createDir((storeDir == "" ? "." : storeDir), true);
long long int offset = 0;
for(MultiFileEntries::const_iterator itr = multiFileEntries.begin();
itr != multiFileEntries.end(); itr++) {
Util::rangedFileCopy(itr->path, getTempFilePath(), offset, itr->length);
offset += itr->length;
}
unlink(getTempFilePath().c_str());
}

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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_TORRENT_MAN_H_
#define _D_TORRENT_MAN_H_
#include "Peer.h"
#include "common.h"
#include "Logger.h"
#include "BitfieldMan.h"
#include "DiskWriter.h"
#include "Piece.h"
#include "Directory.h"
#include <vector>
#include <map>
#include <string>
using namespace std;
#define DEFAULT_BLOCK_LEN 16*1024;
#define MAX_BLOCK_LEN 128*1024;
#define INFO_HASH_LENGTH 20
#define IS_NULL_PIECE(X) (X.index == 0 && X.length == 0)
#define DEFAULT_ANNOUNCE_INTERVAL 1800
#define DEFAULT_ANNOUNCE_MIN_INTERVAL 120
#define MAX_PEERS 55
#define END_GAME_PIECE_NUM 20
class FileEntry {
public:
string path;
long long int length;
FileEntry(string path, long long int length):path(path), length(length) {}
~FileEntry() {}
};
typedef vector<Peer*> Peers;
typedef multimap<int, int> Haves;
typedef vector<FileEntry> MultiFileEntries;
typedef vector<Piece> UsedPieces;
class TorrentMan {
private:
Peers peers;
BitfieldMan* bitfield;
unsigned char infoHash[INFO_HASH_LENGTH];
vector<string> pieceHashes;
int peerEntryIdCounter;
int cuidCounter;
long long int downloadedSize;
long long int uploadedSize;
int deltaDownload;
int deltaUpload;
int fileMode;
string storeDir;
int port;
Haves haves;
UsedPieces usedPieces;
Directory* multiFileTopDir;
MultiFileEntries multiFileEntries;
FILE* openSegFile(string segFilename, string mode) const;
void read(FILE* file);
Piece findUsedPiece(int index) const;
void addUsedPiece(const Piece& piece);
void deleteUsedPiece(const Piece& piece);
int deleteUsedPiecesByFillRate(int fillRate, int toDelete);
void reduceUsedPieces(int max);
public:
int pieceLength;
int pieces;
long long int totalSize;
string peerId;
string announce;
string trackerId;
string name;
int interval;
int minInterval;
int complete;
int incomplete;
int connections;
public:
TorrentMan();
~TorrentMan();
const Logger* logger;
DiskWriter* diskWriter;
int getNewCuid() { return ++cuidCounter; }
// TODO do not use this method
void updatePeers(const Peers& peers);
bool addPeer(Peer* peer, bool duplicate = false);
//void updatePeer(const Peer* peer);
const Peers& getPeers() const { return peers; }
Peer* getPeer() const;
bool isPeerAvailable() const;
int deleteOldErrorPeers(int maxNum);
Piece getMissingPiece(const unsigned char* peerBitfield, int len);
void completePiece(const Piece& piece);
void cancelPiece(const Piece& piece);
void updatePiece(const Piece& piece);
void syncPiece(Piece& piece);
bool hasPiece(int index) const;
void initBitfield();
bool isEndGame() const;
bool downloadComplete() const;
void setBitfield(unsigned char* bitfield, int len);
const unsigned char* getBitfield() const {
return bitfield->getBitfield();
}
int getBitfieldLength() const { return bitfield->getBitfieldLength(); }
void setInfoHash(const unsigned char* infoHash) {
memcpy(this->infoHash, infoHash, INFO_HASH_LENGTH);
}
const unsigned char* getInfoHash() const {
return infoHash;
}
void setup(string metaInfoFile);
string getPieceHash(int index) const;
void advertisePiece(int cuid, int index) {
Haves::value_type vt(cuid, index);
haves.insert(vt);
}
vector<int> getAdvertisedPieceIndexes(int myCuid) const {
vector<int> indexes;
for(Haves::const_iterator itr = haves.begin(); itr != haves.end(); itr++) {
const Haves::value_type& have = *itr;
if(have.first == myCuid) {
continue;
}
indexes.push_back(have.second);
}
return indexes;
}
void unadvertisePiece(int cuid) {
haves.erase(cuid);
}
void addDeltaDownload(int size) { deltaDownload += size; }
int getDeltaDownload() const { return deltaDownload; }
void resetDeltaDownload() { deltaDownload = 0; }
void addDeltaUpload(int size) { deltaUpload += size; }
int getDeltaUpload() const { return deltaUpload; }
void resetDeltaUpload() { deltaUpload = 0; }
void addDownloadedSize(int size) { downloadedSize += size; }
long long int getDownloadedSize() const { return downloadedSize; }
void setDownloadedSize(long long int size) { downloadedSize = size; }
void addUploadedSize(int size) { uploadedSize += size; }
long long int getUploadedSize() const { return uploadedSize; }
void setUploadedSize(long long int size) { uploadedSize = size; }
void setFileMode(int mode) {
fileMode = mode;
}
int getFileMode() const {
return fileMode;
}
string getStoreDir() const { return storeDir; }
void setStoreDir(string dir) { storeDir = dir; }
string getFilePath() const;
string getTempFilePath() const;
string getSegmentFilePath() const;
bool segmentFileExists() const;
void load();
void save() const;
void remove() const;
void renameSingleFile() const;
void splitMultiFile() const;
void fixFilename() const;
void setPort(int port) { this->port = port; }
int getPort() const { return port; }
enum FILE_MODE {
SINGLE,
MULTI
};
};
#endif // _D_TORRENT_MAN_H_

99
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@ -0,0 +1,99 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "TrackerDownloadCommand.h"
#include "TrackerUpdateCommand.h"
#include "ChunkedEncoding.h"
#include "DlRetryEx.h"
#include "message.h"
#include "MetaFileUtil.h"
#include "DlAbortEx.h"
TrackerDownloadCommand::TrackerDownloadCommand(int cuid, Request* req,
TorrentDownloadEngine* e,
Socket* s)
:AbstractCommand(cuid, req, e, s), len(0) {
resSize = 256;
res = new char[resSize];
ChunkedEncoding* ce = new ChunkedEncoding();
transferEncodings["chunked"] = ce;
}
TrackerDownloadCommand::~TrackerDownloadCommand() {
delete [] res;
for(map<string, TransferEncoding*>::iterator itr = transferEncodings.begin(); itr != transferEncodings.end(); itr++) {
delete((*itr).second);
}
}
bool TrackerDownloadCommand::executeInternal(Segment seg) {
TransferEncoding* te = NULL;
if(transferEncoding.size()) {
te = getTransferEncoding(transferEncoding);
assert(te != NULL);
}
int bufSize = 4096;
char buf[bufSize];
socket->readData(buf, bufSize);
if(te != NULL) {
int infbufSize = 4096;
char infbuf[infbufSize];
te->inflate(infbuf, infbufSize, buf, bufSize);
if(len+infbufSize >= resSize) {
expandBuffer(len+infbufSize);
}
memcpy(res+len, infbuf, infbufSize);
len += infbufSize;
} else {
if(len+bufSize >= resSize) {
expandBuffer(len+bufSize);
}
memcpy(res+len, buf, bufSize);
len += bufSize;
}
if(e->segmentMan->totalSize != 0 && bufSize == 0) {
throw new DlRetryEx(EX_GOT_EOF);
}
if(te != NULL && te->finished()
|| te == NULL && len == e->segmentMan->totalSize
|| bufSize == 0) {
if(te != NULL) te->end();
e->logger->info(MSG_DOWNLOAD_COMPLETED, cuid);
MetaEntry* entry = MetaFileUtil::bdecoding(res, len);
e->commands.push(new TrackerUpdateCommand(cuid, req, (TorrentDownloadEngine*)e, entry));
return true;
} else {
e->commands.push(this);
return false;
}
}
TransferEncoding* TrackerDownloadCommand::getTransferEncoding(string name) {
return transferEncodings[name];
}
void TrackerDownloadCommand::expandBuffer(int newSize) {
char* newbuf = new char[newSize];
memcpy(newbuf, res, len);
delete [] res;
res = newbuf;
resSize = newSize;
}

50
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@ -0,0 +1,50 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_TRACKER_DOWNLOAD_COMMAND_H_
#define _D_TRACKER_DOWNLOAD_COMMAND_H_
#include "AbstractCommand.h"
#include "TorrentDownloadEngine.h"
#include "TransferEncoding.h"
#include "Segment.h"
#include <map>
class TrackerDownloadCommand : public AbstractCommand {
private:
char* res;
int resSize;
int len;
map<string, TransferEncoding*> transferEncodings;
void expandBuffer(int newSize);
protected:
bool executeInternal(Segment segment);
public:
TrackerDownloadCommand(int cuid, Request* req, TorrentDownloadEngine* e, Socket* s);
~TrackerDownloadCommand();
TransferEncoding* getTransferEncoding(string transferEncoding);
string transferEncoding;
};
#endif // _D_TRACKER_DOWNLOAD_COMMAND_H_

67
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@ -0,0 +1,67 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "TrackerInitCommand.h"
#include "Request.h"
#include "InitiateConnectionCommandFactory.h"
#include "TorrentMan.h"
#include "Util.h"
TrackerInitCommand::TrackerInitCommand(int cuid, Request* req, TorrentDownloadEngine* e):Command(cuid), req(req), e(e) {}
TrackerInitCommand::~TrackerInitCommand() {}
bool TrackerInitCommand::execute() {
if(e->torrentMan->downloadComplete()) {
req->setTrackerEvent(Request::COMPLETED);
}
string event;
switch(req->getTrackerEvent()) {
case Request::STARTED:
event = "started";
break;
case Request::STOPPED:
event = "stopped";
break;
case Request::COMPLETED:
event = "completed";
break;
}
string url = e->torrentMan->announce+"?"+
"info_hash="+Util::urlencode(e->torrentMan->getInfoHash(), 20)+"&"+
"peer_id="+e->torrentMan->peerId+"&"+
"port="+Util::itos(e->torrentMan->getPort())+"&"+
"uploaded="+Util::llitos(e->torrentMan->getUploadedSize())+"&"+
"downloaded="+Util::llitos(e->torrentMan->getDownloadedSize())+"&"+
"left="+Util::llitos(e->torrentMan->totalSize-e->torrentMan->getDownloadedSize())+"&"+
"compact=1";
if(!event.empty()) {
url += string("&")+"event="+event;
}
if(!e->torrentMan->trackerId.empty()) {
url += string("&")+"trackerid="+e->torrentMan->trackerId;
}
req->setUrl(url);
Command* command = InitiateConnectionCommandFactory::createInitiateConnectionCommand(cuid, req, e);
e->commands.push(command);
return true;
}

40
src/TrackerInitCommand.h Normal file
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@ -0,0 +1,40 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_TRACKER_INIT_COMMAND_H_
#define _D_TRACKER_INIT_COMMAND_H_
#include "TorrentDownloadEngine.h"
#include "Request.h"
#include "Command.h"
class TrackerInitCommand : public Command {
private:
Request* req;
TorrentDownloadEngine* e;
public:
TrackerInitCommand(int cuid, Request* req, TorrentDownloadEngine* e);
~TrackerInitCommand();
bool execute();
};
#endif // _D_TRACKER_INIT_COMMAND_H_

126
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@ -0,0 +1,126 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#include "TrackerUpdateCommand.h"
#include "TrackerInitCommand.h"
#include "PeerInitiateConnectionCommand.h"
#include "PeerListenCommand.h"
#include "SleepCommand.h"
#include "Dictionary.h"
#include "Data.h"
#include "DlAbortEx.h"
#include "message.h"
#include <netinet/in.h>
TrackerUpdateCommand::TrackerUpdateCommand(int cuid, Request* req,
TorrentDownloadEngine* e,
MetaEntry* trackerResponse)
:Command(cuid), req(req), e(e), trackerResponse(trackerResponse) {}
TrackerUpdateCommand::~TrackerUpdateCommand() {
delete trackerResponse;
}
bool TrackerUpdateCommand::execute() {
if(req->getTrackerEvent() == Request::COMPLETED) {
return true;
}
e->torrentMan->deleteOldErrorPeers(25);
Dictionary* response = (Dictionary*)trackerResponse;
Data* failureReason = (Data*)response->get("failure reason");
if(failureReason != NULL) {
throw new DlAbortEx("Tracker returned failure reason: %s", failureReason->toString().c_str());
}
Data* warningMessage = (Data*)response->get("warning message");
if(warningMessage != NULL) {
e->logger->info(MSG_TRACKER_WARNING_MESSAGE, cuid, warningMessage->toString().c_str());
}
Data* trackerId = (Data*)response->get("tracker id");
if(trackerId != NULL) {
e->torrentMan->trackerId = trackerId->toString();
e->logger->debug("CUID#%d - Tracker ID:%s", cuid, e->torrentMan->trackerId.c_str());
}
Data* interval = (Data*)response->get("interval");
if(interval != NULL) {
e->torrentMan->interval = interval->toInt();
e->logger->debug("CUID#%d - interval:%d", cuid, e->torrentMan->interval);
}
Data* minInterval = (Data*)response->get("min interval");
if(minInterval != NULL) {
e->torrentMan->minInterval = minInterval->toInt();
e->logger->debug("CUID#%d - min interval:%d", cuid, e->torrentMan->minInterval);
}
Data* complete = (Data*)response->get("complete");
if(complete != NULL) {
e->torrentMan->complete = complete->toInt();
e->logger->debug("CUID#%d - complete:%d", cuid, e->torrentMan->complete);
}
Data* incomplete = (Data*)response->get("incomplete");
if(incomplete != NULL) {
e->torrentMan->incomplete = incomplete->toInt();
e->logger->debug("CUID#%d - incomplete:%d", cuid, e->torrentMan->incomplete);
}
Data* peers = (Data*)response->get("peers");
for(int i = 0; i < peers->getLen(); i += 6) {
unsigned int ipaddr1 = (unsigned char)*(peers->getData()+i);
unsigned int ipaddr2 = (unsigned char)*(peers->getData()+i+1);
unsigned int ipaddr3 = (unsigned char)*(peers->getData()+i+2);
unsigned int ipaddr4 = (unsigned char)*(peers->getData()+i+3);
//unsigned short int nPort = 0;
//memcpy(&nPort, peers->getData()+i+4, 2);
unsigned int port = ntohs(*(unsigned short int*)(peers->getData()+i+4));
//unsigned int port = ntohs(nPort);
char ipaddr[16];
snprintf(ipaddr, sizeof(ipaddr), "%d.%d.%d.%d",
ipaddr1, ipaddr2, ipaddr3, ipaddr4);
Peer* peer = new Peer(ipaddr, port, e->torrentMan->pieceLength,
e->torrentMan->totalSize);
if(e->torrentMan->addPeer(peer)) {
e->logger->debug("CUID#%d - adding peer %s:%d", cuid,
peer->ipaddr.c_str(), peer->port);
} else {
delete peer;
}
}
/*
if(req->getTrackerEvent() == Request::STARTED) {
PeerListenCommand* command = new PeerListenCommand(e->torrentMan->getNewCuid(), e);
e->commands.push(command);
e->logger->debug("CUID#%d - adding listen command", cuid);
}
*/
while(e->torrentMan->isPeerAvailable() &&
e->torrentMan->connections < MAX_PEERS) {
Peer* peer = e->torrentMan->getPeer();
int newCuid = e->torrentMan->getNewCuid();
peer->cuid = newCuid;
PeerInitiateConnectionCommand* command = new PeerInitiateConnectionCommand(newCuid, peer, e);
e->commands.push(command);
e->logger->debug("CUID#%d - adding new command CUID#%d", cuid, newCuid);
}
req->setTrackerEvent(Request::AUTO);
TrackerInitCommand* command = new TrackerInitCommand(cuid, req, e);
SleepCommand* slpCommand = new SleepCommand(cuid, e, command, e->torrentMan->minInterval);
e->commands.push(slpCommand);
return true;
}

42
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@ -0,0 +1,42 @@
/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_TRACKER_UPDATE_COMMAND_H_
#define _D_TRACKER_UPDATE_COMMAND_H_
#include "Command.h"
#include "Request.h"
#include "TorrentDownloadEngine.h"
#include "MetaEntry.h"
class TrackerUpdateCommand : public Command {
private:
Request* req;
TorrentDownloadEngine* e;
MetaEntry* trackerResponse;
public:
TrackerUpdateCommand(int cuid, Request* req, TorrentDownloadEngine* e, MetaEntry* trackerResponse);
~TrackerUpdateCommand();
bool execute();
};
#endif // _D_TRACKER_UPDATE_COMMAND_H_

72
src/Util.cc
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@ -20,6 +20,11 @@
*/
/* copyright --> */
#include "Util.h"
#include "DlAbortEx.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
string Util::itos(int value, bool comma) {
string str = llitos(value, comma);
@ -146,3 +151,70 @@ string Util::replace(string target, string oldstr, string newstr) {
return result;
}
string Util::urlencode(const unsigned char* target, int len) {
string dest;
for(int i = 0; i < len; i++) {
if(!('0' <= target[i] && target[i] <= '9' ||
'A' <= target[i] && target[i] <= 'Z' ||
'a' <= target[i] && target[i] <= 'z' ||
'$' == target[i] || '-' == target[i] ||
'_' == target[i] || '.' == target[i] ||
'+' == target[i] || '!' == target[i] ||
'*' == target[i] || '\'' == target[i] ||
'(' == target[i] || ')' == target[i] ||
',' == target[i])) {
char temp[4];
sprintf(temp, "%%%02x", target[i]);
temp[sizeof(temp)-1] = '\0';
dest.append(temp);
} else {
dest += target[i];
}
}
return dest;
}
string Util::toHex(const unsigned char* src, int len) {
char* temp = new char[len*2+1];
for(int i = 0; i < len; i++) {
sprintf(temp+i*2, "%02x", src[i]);
}
temp[len*2] = '\0';
string hex = temp;
delete [] temp;
return hex;
}
FILE* Util::openFile(string filename, string mode) {
FILE* file = fopen(filename.c_str(), mode.c_str());
return file;
}
void Util::rangedFileCopy(string dest, string src, long long int srcOffset, long long int length) {
int destFd;
if((destFd = open(dest.c_str(), O_CREAT|O_WRONLY|O_TRUNC, S_IRUSR|S_IWUSR)) < 0) {
throw new DlAbortEx(strerror(errno));
}
int srcFd;
if((srcFd = open(src.c_str(), O_RDONLY, S_IRUSR|S_IWUSR)) < 0) {
throw new DlAbortEx(strerror(errno));
}
if(lseek(srcFd, srcOffset, SEEK_SET) != srcOffset) {
throw new DlAbortEx(strerror(errno));
}
int BUF_SIZE = 16*1024;
char buf[BUF_SIZE];
int x = length/BUF_SIZE+(length%BUF_SIZE ? 1 : 0);
for(int i = 0; i < x; i++) {
int readLength;
if((readLength = read(srcFd, buf, BUF_SIZE)) == -1) {
throw new DlAbortEx(strerror(errno));
}
if(write(destFd, buf, readLength) == -1) {
throw new DlAbortEx(strerror(errno));
}
}
close(srcFd);
close(destFd);
}

9
src/Util.h
View File

@ -56,6 +56,15 @@ public:
static bool endsWith(string target, string part);
static string replace(string target, string oldstr, string newstr);
static string urlencode(const unsigned char* target, int len);
static string toHex(const unsigned char* src, int len);
static FILE* openFile(string filename, string mode);
static void rangedFileCopy(string destFile, string src, long long int srcOffset, long long int length);
};
#endif // _D_UTIL_H_

2
src/common.h
View File

@ -41,6 +41,8 @@
#define USER_AGENT "aria2"
#define BITFIELD_LEN_FROM_PIECES(X) (X/8+(X%8? 1 : 0))
using namespace std;
#endif // _D_COMMON_H_

211
src/main.cc
View File

@ -21,7 +21,9 @@
/* copyright --> */
#include "HttpInitiateConnectionCommand.h"
#include "ConsoleDownloadEngine.h"
#include "TorrentConsoleDownloadEngine.h"
#include "SegmentMan.h"
#include "TorrentMan.h"
#include "SplitSlowestSegmentSplitter.h"
#include "SimpleLogger.h"
#include "common.h"
@ -29,8 +31,13 @@
#include "Util.h"
#include "InitiateConnectionCommandFactory.h"
#include "prefs.h"
#include "TrackerInitCommand.h"
#include "PeerListenCommand.h"
#include "TorrentAutoSaveCommand.h"
#include "SleepCommand.h"
#include <vector>
#include <algorithm>
#include <time.h>
#include <signal.h>
#include <unistd.h>
#include <libgen.h>
@ -47,11 +54,20 @@ extern int optind, opterr, optopt;
using namespace std;
void printDownloadCompeleteMessage(string filename) {
printf(_("\nThe download was complete. <%s>\n"), filename.c_str());
}
void printDownloadAbortMessage() {
printf(_("\nThe download was not complete because of errors. Check the log.\n"));
}
void clearRequest(Request* req) {
delete(req);
}
DownloadEngine* e;
TorrentDownloadEngine* te;
void handler(int signal) {
cout << _("\nSIGINT signal received.") << endl;
@ -62,6 +78,22 @@ void handler(int signal) {
exit(0);
}
void torrentHandler(int signal) {
cout << _("\nSIGINT signal received.") << endl;
if(te->torrentMan->diskWriter != NULL) {
te->torrentMan->diskWriter->closeFile();
}
if(te->torrentMan->downloadComplete()) {
te->torrentMan->remove();
te->torrentMan->fixFilename();
printDownloadCompeleteMessage(te->torrentMan->getFilePath());
} else {
te->torrentMan->save();
}
exit(0);
}
void addCommand(int cuid, const char* url, string referer, vector<Request*> requests) {
Request* req = new Request();
req->setReferer(referer);
@ -146,6 +178,11 @@ void showUsage() {
cout << _(" --ftp-via-http-proxy=METHOD Use HTTP proxy in FTP. METHOD is either 'get' or\n"
" 'tunnel'.\n"
" Default: tunnel") << endl;
cout << _(" --torrent-file=TORRENT_FILE The file path to .torrent file.") << endl;
cout << _(" --follow-torrent=true|false Setting this option to false prevents aria2 to\n"
" enter BitTorrent mode even if the filename of\n"
" downloaded file ends with .torrent.\n"
" Default: true") << endl;
cout << _(" -v, --version Print the version number and exit.") << endl;
cout << _(" -h, --help Print this message and exit.") << endl;
cout << endl;
@ -162,6 +199,8 @@ void showUsage() {
cout << " aria2c http://AAA.BBB.CCC/file.zip http://DDD.EEE.FFF/GGG/file.zip" << endl;
cout << _(" You can mix up different protocols:") << endl;
cout << " aria2c http://AAA.BBB.CCC/file.zip ftp://DDD.EEE.FFF/GGG/file.zip" << endl;
cout << _(" Download a torrent") << endl;
cout << " aria2c -o test.torret http://AAA.BBB.CCC/file.torrent" << endl;
cout << endl;
printf(_("Reports bugs to %s"), "<tujikawa at users dot sourceforge dot net>");
cout << endl;
@ -181,6 +220,8 @@ int main(int argc, char* argv[]) {
int split = 1;
bool daemonMode = false;
string referer;
string torrentFile;
bool followTorrent = true;
int c;
Option* op = new Option();
@ -193,6 +234,7 @@ int main(int argc, char* argv[]) {
op->put(PREF_FTP_PASSWD, "ARIA2USER@");
op->put(PREF_FTP_TYPE, V_BINARY);
op->put(PREF_FTP_VIA_HTTP_PROXY, V_TUNNEL);
op->put(PREF_AUTO_SAVE_INTERVAL, "60");
while(1) {
int optIndex = 0;
@ -220,6 +262,8 @@ int main(int argc, char* argv[]) {
{ "ftp-via-http-proxy", required_argument, &lopt, 12 },
{ "min-segment-size", required_argument, &lopt, 13 },
{ "http-proxy-method", required_argument, &lopt, 14 },
{ "torrent-file", required_argument, &lopt, 15 },
{ "follow-torrent", required_argument, &lopt, 16 },
{ "version", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 'h' },
{ 0, 0, 0, 0 }
@ -332,6 +376,19 @@ int main(int argc, char* argv[]) {
exit(1);
}
break;
case 15:
torrentFile = string(optarg);
break;
case 16:
if(string(optarg) == "on") {
followTorrent = true;
} else if(string(optarg) == "off") {
followTorrent = false;
} else {
cerr << _("follow-torrent must be either 'true' or 'false'.") << endl;
showUsage();
exit(1);
}
}
break;
}
@ -394,10 +451,12 @@ int main(int argc, char* argv[]) {
exit(1);
}
}
if(optind == argc) {
cerr << _("specify at least one URL") << endl;
showUsage();
exit(1);
if(torrentFile.empty()) {
if(optind == argc) {
cerr << _("specify at least one URL") << endl;
showUsage();
exit(1);
}
}
if(daemonMode) {
if(daemon(1, 1) < 0) {
@ -410,6 +469,7 @@ int main(int argc, char* argv[]) {
SSL_load_error_strings();
SSL_library_init();
#endif // HAVE_LIBSSL
srandom(time(NULL));
SimpleLogger* logger;
if(stdoutLog) {
logger = new SimpleLogger(stdout);
@ -420,43 +480,120 @@ int main(int argc, char* argv[]) {
}
SegmentSplitter* splitter = new SplitSlowestSegmentSplitter();
splitter->setMinSegmentSize(op->getAsLLInt(PREF_MIN_SEGMENT_SIZE));
splitter->logger = logger;
e = new ConsoleDownloadEngine();
e->logger = logger;
e->option = op;
e->diskWriter = new DefaultDiskWriter();
e->segmentMan = new SegmentMan();
e->segmentMan->dir = dir;
e->segmentMan->ufilename = ufilename;
e->segmentMan->logger = logger;
e->segmentMan->option = op;
e->segmentMan->splitter = splitter;
vector<Request*> requests;
for(int i = 1; optind+i-1 < argc; i++) {
for(int s = 1; s <= split; s++) {
struct sigaction sigactIgn;
sigactIgn.sa_handler = SIG_IGN;
sigactIgn.sa_flags = 0;
sigemptyset(&sigactIgn.sa_mask);
sigaction(SIGPIPE, &sigactIgn, NULL);
bool readyToTorrentMode = false;
string downloadedTorrentFile;
if(torrentFile.empty()) {
struct sigaction sigact;
sigact.sa_handler = handler;
sigact.sa_flags = 0;
sigemptyset(&sigact.sa_mask);
sigaction(SIGINT, &sigact, NULL);
splitter->logger = logger;
e = new ConsoleDownloadEngine();
e->logger = logger;
e->option = op;
e->diskWriter = new DefaultDiskWriter();
e->segmentMan = new SegmentMan();
e->segmentMan->dir = dir;
e->segmentMan->ufilename = ufilename;
e->segmentMan->logger = logger;
e->segmentMan->option = op;
e->segmentMan->splitter = splitter;
vector<Request*> requests;
for(int i = 1; optind+i-1 < argc; i++) {
for(int s = 1; s <= split; s++) {
addCommand(split*(i-1)+s, argv[optind+i-1], referer, requests);
}
}
e->run();
if(e->segmentMan->finished()) {
printDownloadCompeleteMessage(e->segmentMan->getFilePath());
if(Util::endsWith(e->segmentMan->getFilePath(), ".torrent")) {
downloadedTorrentFile = e->segmentMan->getFilePath();
readyToTorrentMode = true;
}
} else {
printDownloadAbortMessage();
}
for_each(requests.begin(), requests.end(), clearRequest);
requests.clear();
delete(e->segmentMan);
delete(e->diskWriter);
delete(e);
}
if(!torrentFile.empty() || followTorrent && readyToTorrentMode) {
try {
op->put(PREF_MAX_TRIES, "0");
struct sigaction sigact;
sigact.sa_handler = torrentHandler;
sigact.sa_flags = 0;
sigemptyset(&sigact.sa_mask);
sigaction(SIGINT, &sigact, NULL);
Request* req = new Request();
req->isTorrent = true;
req->setTrackerEvent(Request::STARTED);
te = new TorrentConsoleDownloadEngine();
te->logger = logger;
te->option = op;
te->diskWriter = new DefaultDiskWriter();
te->segmentMan = new SegmentMan();
te->segmentMan->logger = logger;
te->segmentMan->option = op;
te->segmentMan->splitter = splitter;
te->torrentMan = new TorrentMan();
te->torrentMan->setStoreDir(dir);
te->torrentMan->logger = logger;
te->torrentMan->setup(torrentFile.empty() ?
downloadedTorrentFile : torrentFile);
PeerListenCommand* listenCommand =
new PeerListenCommand(te->torrentMan->getNewCuid(), te);
int port = listenCommand->bindPort(6881, 6999);
if(port == -1) {
printf("an error occurred while binding port.\n");
exit(1);
}
te->torrentMan->setPort(port);
te->commands.push(listenCommand);
te->commands.push(new TrackerInitCommand(te->torrentMan->getNewCuid(),
req, te));
int autoSaveCommandCuid = te->torrentMan->getNewCuid();
te->commands.push(new SleepCommand(autoSaveCommandCuid, te,
new TorrentAutoSaveCommand(autoSaveCommandCuid, te, op->getAsInt(PREF_AUTO_SAVE_INTERVAL)),
op->getAsInt(PREF_AUTO_SAVE_INTERVAL)));
te->run();
if(te->torrentMan->downloadComplete()) {
printDownloadCompeleteMessage(te->torrentMan->getFilePath());
} else {
printDownloadAbortMessage();
}
delete(te->segmentMan);
delete(te->torrentMan);
delete(te);
} catch(Exception* ex) {
cerr << ex->getMsg() << endl;
delete ex;
exit(1);
}
}
struct sigaction sigact;
sigact.sa_handler = handler;
sigact.sa_flags = 0;
sigemptyset(&sigact.sa_mask);
sigaction(SIGINT, &sigact, NULL);
e->run();
if(e->segmentMan->finished()) {
printf(_("\nThe download was complete. <%s>\n"), e->segmentMan->getFilePath().c_str());
} else {
printf(_("\nThe download was not complete because of errors. Check the log.\n"));
}
for_each(requests.begin(), requests.end(), clearRequest);
requests.clear();
delete(logger);
delete(e->segmentMan);
delete(e->option);
delete(e->diskWriter);
delete(e);
delete(op);
delete(splitter);
return 0;
}

12
src/message.h
View File

@ -35,6 +35,15 @@
#define MSG_RESTARTING_DOWNLOAD _("CUID#%d - Restarting the download.")
#define MSG_MAX_TRY _("CUID#%d - %d times attempted, but no success. Download aborted.")
#define MSG_UNREGISTER_CUID _("CUID#%d - Unregistering cuid from segmentManager.")
#define MSG_SEND_PEER_MESSAGE "CUID#%d - To: %s:%d %s"
#define MSG_SEND_PEER_MESSAGE_WITH_INDEX "CUID#%d - To: %s:%d %s index=%d"
#define MSG_SEND_PEER_MESSAGE_WITH_BITFIELD "CUID#%d - To: %s:%d %s %s"
#define MSG_SEND_PEER_MESSAGE_WITH_INDEX_BEGIN_LENGTH "CUID#%d - To: %s:%d %s index=%d, begin=%d, length=%d"
#define MSG_RECEIVE_PEER_MESSAGE "CUID#%d - From: %s:%d %s"
#define MSG_GOT_NEW_PIECE "CUID#%d - we got new piece. index=%d"
#define MSG_GOT_WRONG_PIECE "CUID#%d - we got wrong piece. index=%d"
#define MSG_TRACKER_WARNING_MESSAGE "CUID#%d - Tracker returned warning message: %s"
#define MSG_SEGMENT_FILE_EXISTS _("The segment file %s exists.")
#define MSG_SEGMENT_FILE_DOES_NOT_EXIST _("The segment file %s does not exist.")
@ -59,5 +68,6 @@
#define EX_SSL_INIT_FAILURE _("SSL initialization failed.")
#define EX_SIZE_MISMATCH _("Size mismatch %lld != %lld")
#define EX_GOT_EOF _("Got EOF from the server.")
#define EX_EOF_FROM_PEER "Got EOF from peer."
#define EX_MULFORMED_META_INFO "Mulformed meta info."
#endif // _D_MESSAGE_H_

2
src/prefs.h
View File

@ -41,6 +41,8 @@
#define PREF_MAX_TRIES "max_try"
// values: 1*digit
#define PREF_MIN_SEGMENT_SIZE "min_segment_size"
// values: 1*digit
#define PREF_AUTO_SAVE_INTERVAL "auto_save_interval"
/**
* FTP related preferences

76
test/BitfieldManTest.cc Normal file
View File

@ -0,0 +1,76 @@
#include "BitfieldMan.h"
#include <string>
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
class BitfieldManTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(BitfieldManTest);
CPPUNIT_TEST(testGetBlockSize);
CPPUNIT_TEST(testGetFirstMissingUnusedIndex);
CPPUNIT_TEST(testIsAllBitSet);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {
}
void testGetBlockSize();
void testGetFirstMissingUnusedIndex();
void testIsAllBitSet();
};
CPPUNIT_TEST_SUITE_REGISTRATION( BitfieldManTest );
void BitfieldManTest::testGetBlockSize() {
BitfieldMan bt1(1024, 1024*10);
CPPUNIT_ASSERT_EQUAL(1024, bt1.getBlockSize(9));
BitfieldMan bt2(1024, 1024*10+1);
CPPUNIT_ASSERT_EQUAL(1024, bt2.getBlockSize(9));
CPPUNIT_ASSERT_EQUAL(1, bt2.getBlockSize(10));
CPPUNIT_ASSERT_EQUAL(0, bt2.getBlockSize(11));
}
void BitfieldManTest::testGetFirstMissingUnusedIndex() {
BitfieldMan bt1(1024, 1024*10);
unsigned char bitfield[2];
memset(bitfield, 0xff, sizeof(bitfield));
CPPUNIT_ASSERT_EQUAL(0, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
CPPUNIT_ASSERT(bt1.setUseBit(0));
CPPUNIT_ASSERT_EQUAL(1, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
CPPUNIT_ASSERT(bt1.unsetUseBit(0));
CPPUNIT_ASSERT_EQUAL(0, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
CPPUNIT_ASSERT(bt1.setBit(0));
CPPUNIT_ASSERT_EQUAL(1, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
for(int i = 0; i < 8; i++) {
CPPUNIT_ASSERT(bt1.setBit(i));
}
CPPUNIT_ASSERT_EQUAL(8, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
CPPUNIT_ASSERT_EQUAL(8, bt1.getFirstMissingUnusedIndex());
CPPUNIT_ASSERT(bt1.setUseBit(8));
CPPUNIT_ASSERT_EQUAL(9, bt1.getFirstMissingUnusedIndex());
}
void BitfieldManTest::testIsAllBitSet() {
BitfieldMan bt1(1024, 1024*10);
CPPUNIT_ASSERT(!bt1.isAllBitSet());
bt1.setBit(1);
CPPUNIT_ASSERT(!bt1.isAllBitSet());
for(int i = 0; i < 8; i++) {
CPPUNIT_ASSERT(bt1.setBit(i));
}
CPPUNIT_ASSERT(!bt1.isAllBitSet());
for(int i = 0; i < bt1.getBlocks(); i++) {
CPPUNIT_ASSERT(bt1.setBit(i));
}
CPPUNIT_ASSERT(bt1.isAllBitSet());
}

70
test/DataTest.cc Normal file
View File

@ -0,0 +1,70 @@
#include "Data.h"
#include <string>
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
class DataTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(DataTest);
CPPUNIT_TEST(testToString);
CPPUNIT_TEST(testGetData);
CPPUNIT_TEST(testToInt);
CPPUNIT_TEST(testToLLInt);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {
}
void testToString();
void testGetData();
void testToInt();
void testToLLInt();
};
CPPUNIT_TEST_SUITE_REGISTRATION( DataTest );
void DataTest::testToString() {
Data data("aria2", 5);
CPPUNIT_ASSERT_EQUAL(string("aria2"), data.toString());
Data null(NULL, 0);
CPPUNIT_ASSERT_EQUAL(string(""), null.toString());
}
void DataTest::testGetData() {
Data data("aria2", 5);
int len;
CPPUNIT_ASSERT_EQUAL(0, memcmp("aria2", data.getData(), 5));
CPPUNIT_ASSERT_EQUAL(5, data.getLen());
Data null(NULL, 0);
CPPUNIT_ASSERT_EQUAL((const char*)NULL, null.getData());
CPPUNIT_ASSERT_EQUAL(0, null.getLen());
}
void DataTest::testToInt() {
Data data("1000", 4);
CPPUNIT_ASSERT_EQUAL(1000, data.toInt());
Data null(NULL, 0);
CPPUNIT_ASSERT_EQUAL(0, null.toInt());
Data alpha("abc", 3);
CPPUNIT_ASSERT_EQUAL(0, alpha.toInt());
}
void DataTest::testToLLInt() {
Data data("1000", 4);
CPPUNIT_ASSERT_EQUAL(1000, (int)data.toLLInt());
Data null(NULL, 0);
CPPUNIT_ASSERT_EQUAL(0, (int)null.toLLInt());
Data alpha("abc", 3);
CPPUNIT_ASSERT_EQUAL(0, (int)alpha.toLLInt());
}

35
test/DefaultDiskWriterTest.cc Normal file
View File

@ -0,0 +1,35 @@
#include "DefaultDiskWriter.h"
#include <string>
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
class DefaultDiskWriterTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(DefaultDiskWriterTest);
CPPUNIT_TEST(testSha1Sum);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {
}
void testSha1Sum();
};
CPPUNIT_TEST_SUITE_REGISTRATION( DefaultDiskWriterTest );
void DefaultDiskWriterTest::testSha1Sum() {
DefaultDiskWriter dw;
dw.openExistingFile("4096chunk.txt");
CPPUNIT_ASSERT_EQUAL(string("608cabc0f2fa18c260cafd974516865c772363d5"),
dw.sha1Sum(0, 4096));
CPPUNIT_ASSERT_EQUAL(string("7a4a9ae537ebbbb826b1060e704490ad0f365ead"),
dw.sha1Sum(5, 100));
dw.closeFile();
}

35
test/DictionaryTest.cc Normal file
View File

@ -0,0 +1,35 @@
#include "Dictionary.h"
#include "Data.h"
#include <string>
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
class DictionaryTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(DictionaryTest);
CPPUNIT_TEST(testGet);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {
}
void testGet();
};
CPPUNIT_TEST_SUITE_REGISTRATION( DictionaryTest );
void DictionaryTest::testGet() {
Dictionary d;
Data* data1 = new Data("aria2", 5);
d.put("app_name", data1);
Data* data2 = new Data("linux", 5);
d.put("platform", data2);
Data* dataGot = (Data*)d.get("app_name");
CPPUNIT_ASSERT(dataGot != NULL);
CPPUNIT_ASSERT_EQUAL(string("aria2"), dataGot->toString());
}

7
test/FileTest.cc
View File

@ -14,6 +14,7 @@ class FileTest:public CppUnit::TestFixture {
CPPUNIT_TEST(testIsFile);
CPPUNIT_TEST(testIsDir);
CPPUNIT_TEST(testRemove);
CPPUNIT_TEST(testSize);
CPPUNIT_TEST_SUITE_END();
private:
@ -25,6 +26,7 @@ public:
void testIsFile();
void testIsDir();
void testRemove();
void testSize();
};
@ -86,3 +88,8 @@ void FileTest::testRemove() {
// delete the directory again
CPPUNIT_ASSERT(!d.remove());
}
void FileTest::testSize() {
File f("4096chunk.txt");
CPPUNIT_ASSERT_EQUAL(4096, (int)f.size());
}

33
test/ListTest.cc Normal file
View File

@ -0,0 +1,33 @@
#include "List.h"
#include "Data.h"
#include <string>
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
class ListTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(ListTest);
CPPUNIT_TEST(testAdd);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {
}
void testAdd();
};
CPPUNIT_TEST_SUITE_REGISTRATION( ListTest );
void ListTest::testAdd() {
List l;
Data* data1 = new Data("usr", 3);
l.add(data1);
Data* data2 = new Data("local", 5);
l.add(data2);
CPPUNIT_ASSERT_EQUAL(2, (int)l.getList().size());
}

11
test/Makefile.am
View File

@ -7,7 +7,16 @@ aria2c_SOURCES = AllTest.cc\
OptionTest.cc\
Base64Test.cc\
UtilTest.cc\
CookieBoxTest.cc
CookieBoxTest.cc\
DataTest.cc\
DictionaryTest.cc\
ListTest.cc\
MetaFileUtilTest.cc\
ShaVisitorTest.cc\
TorrentManTest.cc\
PeerMessageUtilTest.cc\
BitfieldManTest.cc\
DefaultDiskWriterTest.cc
aria2c_CXXFLAGS = ${CPPUNIT_CFLAGS} -I../src -I../lib -Wall -D_FILE_OFFSET_BITS=64
aria2c_LDFLAGS = ${CPPUNIT_LIBS}
aria2c_LDADD = ../src/libaria2c.a

155
test/Makefile.in
View File

@ -59,7 +59,14 @@ am_aria2c_OBJECTS = aria2c-AllTest.$(OBJEXT) \
aria2c-RequestTest.$(OBJEXT) \
aria2c-ChunkedEncodingTest.$(OBJEXT) aria2c-FileTest.$(OBJEXT) \
aria2c-OptionTest.$(OBJEXT) aria2c-Base64Test.$(OBJEXT) \
aria2c-UtilTest.$(OBJEXT) aria2c-CookieBoxTest.$(OBJEXT)
aria2c-UtilTest.$(OBJEXT) aria2c-CookieBoxTest.$(OBJEXT) \
aria2c-DataTest.$(OBJEXT) aria2c-DictionaryTest.$(OBJEXT) \
aria2c-ListTest.$(OBJEXT) aria2c-MetaFileUtilTest.$(OBJEXT) \
aria2c-ShaVisitorTest.$(OBJEXT) \
aria2c-TorrentManTest.$(OBJEXT) \
aria2c-PeerMessageUtilTest.$(OBJEXT) \
aria2c-BitfieldManTest.$(OBJEXT) \
aria2c-DefaultDiskWriterTest.$(OBJEXT)
aria2c_OBJECTS = $(am_aria2c_OBJECTS)
aria2c_DEPENDENCIES = ../src/libaria2c.a
DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
@ -197,7 +204,16 @@ aria2c_SOURCES = AllTest.cc\
OptionTest.cc\
Base64Test.cc\
UtilTest.cc\
CookieBoxTest.cc
CookieBoxTest.cc\
DataTest.cc\
DictionaryTest.cc\
ListTest.cc\
MetaFileUtilTest.cc\
ShaVisitorTest.cc\
TorrentManTest.cc\
PeerMessageUtilTest.cc\
BitfieldManTest.cc\
DefaultDiskWriterTest.cc
aria2c_CXXFLAGS = ${CPPUNIT_CFLAGS} -I../src -I../lib -Wall -D_FILE_OFFSET_BITS=64
aria2c_LDFLAGS = ${CPPUNIT_LIBS}
@ -250,11 +266,20 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-AllTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-Base64Test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-BitfieldManTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-ChunkedEncodingTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-CookieBoxTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-DataTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-DefaultDiskWriterTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-DictionaryTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-FileTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-ListTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-MetaFileUtilTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-OptionTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-PeerMessageUtilTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-RequestTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-ShaVisitorTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-TorrentManTest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aria2c-UtilTest.Po@am__quote@
.cc.o:
@ -382,6 +407,132 @@ aria2c-CookieBoxTest.obj: CookieBoxTest.cc
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='CookieBoxTest.cc' object='aria2c-CookieBoxTest.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(aria2c_CXXFLAGS) $(CXXFLAGS) -c -o aria2c-CookieBoxTest.obj `if test -f 'CookieBoxTest.cc'; then $(CYGPATH_W) 'CookieBoxTest.cc'; else $(CYGPATH_W) '$(srcdir)/CookieBoxTest.cc'; fi`
aria2c-DataTest.o: DataTest.cc
@am__fastdepCXX_TRUE@ if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(aria2c_CXXFLAGS) $(CXXFLAGS) -MT aria2c-DataTest.o -MD -MP -MF "$(DEPDIR)/aria2c-DataTest.Tpo" -c -o aria2c-DataTest.o `test -f 'DataTest.cc' || echo '$(srcdir)/'`DataTest.cc; \
@am__fastdepCXX_TRUE@ then mv -f "$(DEPDIR)/aria2c-DataTest.Tpo" "$(DEPDIR)/aria2c-DataTest.Po"; else rm -f "$(DEPDIR)/aria2c-DataTest.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='DataTest.cc' object='aria2c-DataTest.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(aria2c_CXXFLAGS) $(CXXFLAGS) -c -o aria2c-DataTest.o `test -f 'DataTest.cc' || echo '$(srcdir)/'`DataTest.cc
aria2c-DataTest.obj: DataTest.cc
@am__fastdepCXX_TRUE@ if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(aria2c_CXXFLAGS) $(CXXFLAGS) -MT aria2c-DataTest.obj -MD -MP -MF "$(DEPDIR)/aria2c-DataTest.Tpo" -c -o aria2c-DataTest.obj `if test -f 'DataTest.cc'; then $(CYGPATH_W) 'DataTest.cc'; else $(CYGPATH_W) '$(srcdir)/DataTest.cc'; fi`; \
@am__fastdepCXX_TRUE@ then mv -f "$(DEPDIR)/aria2c-DataTest.Tpo" "$(DEPDIR)/aria2c-DataTest.Po"; else rm -f "$(DEPDIR)/aria2c-DataTest.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='DataTest.cc' object='aria2c-DataTest.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(aria2c_CXXFLAGS) $(CXXFLAGS) -c -o aria2c-DataTest.obj `if test -f 'DataTest.cc'; then $(CYGPATH_W) 'DataTest.cc'; else $(CYGPATH_W) '$(srcdir)/DataTest.cc'; fi`
aria2c-DictionaryTest.o: DictionaryTest.cc
@am__fastdepCXX_TRUE@ if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(aria2c_CXXFLAGS) $(CXXFLAGS) -MT aria2c-DictionaryTest.o -MD -MP -MF "$(DEPDIR)/aria2c-DictionaryTest.Tpo" -c -o aria2c-DictionaryTest.o `test -f 'DictionaryTest.cc' || echo '$(srcdir)/'`DictionaryTest.cc; \
@am__fastdepCXX_TRUE@ then mv -f "$(DEPDIR)/aria2c-DictionaryTest.Tpo" "$(DEPDIR)/aria2c-DictionaryTest.Po"; else rm -f "$(DEPDIR)/aria2c-DictionaryTest.Tpo"; exit 1; fi
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='DictionaryTest.cc' object='aria2c-DictionaryTest.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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