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Tatsuhiro Tsujikawa 0411de9271 2006-05-24 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 
To attempt to handle EINTR:
	
	* src/SocketCore.cc
	(isReadable): Added EINTR handling.
	(isWritable): Added EINTR handling.

	To improve the performance:
	
	* src/AbstractCommand.cc
	(isTimeoutDetected): Use Util::difftvsec() instead of 
Util::difftv().
	* src/PeerInteractionCommand.h
	(receiveMessage): Renamed as receiveMessages().
	(receiveMessages): New function.
	* src/PeerInteractionCommand.cc
	(executeInternal): receiveMessage loop is moved to new 
receiveMessages
	() function. detectMessageFlooding() is moved here.
	(detectMessageFlooding): Use Util::difftvsec() instead of 
Util::difftv
	(). The flooding detection for have message is comment out.
	(checkLongTimePeerChoking): Use Util::difftvsec() instead of
	Util::difftv().
	(receiveMessage): Renamed as receiveMessages().
	(receiveMessages): New function.
	(keepAlive): Use Util::difftvsec() instead of Util::difftv().
	(beforeSocketCheck): Commented out checkLongTimePeerChoking().
	* src/SleepCommand.cc
	(execute): Use Util::difftvsec() instead of Util::difftv().
	* src/BitfieldMan.h
	(getNthBitIndex): New function.
	(hasMissingPiece): New function.
	(getAllMissingIndexes): New function.
	* src/BitfieldMan.cc
	(countSetBit): Rewritten.
	(getNthBitIndex): New function.
	(getMissingIndexRandomly): Rewritten.
	(hasMissingPiece): New function.
	(getAllMissingIndexes): New function.
	* src/TorrentMan.cc
	(hasMissingPiece): New function.
	(deleteUsedPiece): Rewritten using STL.
	* src/PeerInteraction.cc
	(getNewPieceAndSendInterest): Use TorrentMan::hasMissingPiece(), 
which
	is a little bit faster then TorrentMan::getMissingPieceIndex().
	(addRequests): Updated the number of pending requests.
	* src/PeerAbstractCommand.cc
	(isTimeoutDetected): Use Util::difftvsec() instead of 
Util::difftv().
	(execute): Returns true if TorrentMan::isHalt() is true.
	Corrected the condition of upload limit checking.
	* src/Util.h
	(countBit): New function.
	* src/Util.cc
	(nbits): New variable.
	(countBit): New function.
	* src/DownloadEngine.h
	(SockCmdMap): New type definition.
	(waitData): Added an argument.
	(addSocket): Added an argument.
	(addSocketForReadCheck): Added an argument.
	(addSocketForWriteCheck): Added an argument.
	* src/DownloadEngine.cc
	(run): Executes only commands whose sockets are ready to read or 
write.
	All commands are executed in every 1 second.
	(waitData): Calls select() again if it returned
	EINTR.
	(addSocket): Saves socket and command object pair to the map.
	(deleteSocket): Deletes socket and command object pair from the 
map.
	(addSocketForReadCheck): Added an argument.
	(addSocketForWriteCheck): Added an argument.
	* src/DownloadCommand.cc
	(executeInternal): Use Util::difftvsec() instead of 
Util::difftv().
	
	To send "event=stopped" to the tracker when the application 
finishes:
	
	* src/PeerChokeCommand.h
	(checkPoint): New variable.
	* src/PeerChokeCommand.cc
	(PeerChokeCommand): Added the initialization of checkPoint.
	(execute): The interval check is now done by checkPoint, not
	SleepCommand. Return true if TorrentMan::isHalt() is true.
	* src/TorrentMan.h
	(halt): New function.
	(hasMissingPiece): New function.
	(isHalt): New function.
	(setHalt): New function.
	* src/TorrentMan.cc
	(TorrentMan): Added the initialization of halt.
	* src/TorrentAutoSaveCommand.h
	(checkPoint): New variable.
	* src/PeerListenCommand.cc
	(execute): Returns true if TorrentMan::isHalt() is true.
	* src/main.cc
	(setSignalHander): Added flags argument.
	(torrentHandler): Just calls TorrentMan::setHalt(true) and 
returns.
	(main): Set SA_ONESHOT flag of the signal hander of SIGINT and 
SIGTERM.
	Removed printDownloadAbortMessage() after torrent downloading 
loop.
	* src/TorrentAutoSaveCommand.cc
	(TorrentAutoSaveCommand): Added the initialization of 
checkPoint.
	(execute): Returns true if TorrentMan::isHalt() is true.
	The interval check is now done by checkPoint, not SleepCommand.
	* src/TrackerWatcherCommand.cc
	(execute): If TorrentMan::isHalt(), then create a tracker 
request with
	event=stopped.
	* src/TrackerUpdateCommand.cc
	(prepareForRetry): Do not use SleepCommand here.
	(execute): Returns true if TorrentMan::isHalt() is true.
	
	Others:
	
	* src/TorrentMan.cc
	(getMissingPieceIndex): Updated log message.
	* src/PeerInteraction.cc
	(createPeerMessag): Updated log message.
 		2006-05-24 15:18:58 +00:00
intl Added intl/* 2006-03-07 13:08:09 +00:00
lib * DownloadEngine.{h, cc}: 2006-03-02 10:43:00 +00:00
m4 2006-04-20 16:52:31 +00:00
po 2006-05-09 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-05-09 15:54:14 +00:00
src 2006-05-24 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-05-24 15:18:58 +00:00
test 2006-05-18 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-05-18 17:08:29 +00:00
ABOUT-NLS * DownloadEngine.{h, cc}: 2006-03-02 10:43:00 +00:00
AUTHORS Initial import 2006-02-17 13:35:04 +00:00
COPYING Initial import 2006-02-17 13:35:04 +00:00
ChangeLog 2006-05-24 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-05-24 15:18:58 +00:00
INSTALL Initial import 2006-02-17 13:35:04 +00:00
Makefile.am Added intl/* 2006-03-07 13:08:09 +00:00
Makefile.in 2006-04-18 17:21:59 +00:00
NEWS Initial import 2006-02-17 13:35:04 +00:00
README 2006-04-19 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-04-18 17:06:17 +00:00
TODO 2006-05-24 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-05-24 15:18:58 +00:00
aclocal.m4 2006-03-27 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-03-27 14:47:26 +00:00
config.guess Initial import 2006-02-17 13:35:04 +00:00
config.h.in 2006-04-18 17:21:59 +00:00
config.rpath * DownloadEngine.{h, cc}: 2006-03-02 10:43:00 +00:00
config.sub Initial import 2006-02-17 13:35:04 +00:00
configure 2006-05-09 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-05-09 15:54:14 +00:00
configure.ac 2006-05-09 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 2006-05-09 15:54:14 +00:00
depcomp Initial import 2006-02-17 13:35:04 +00:00
install-sh Initial import 2006-02-17 13:35:04 +00:00
missing Initial import 2006-02-17 13:35:04 +00:00
mkinstalldirs * DownloadEngine.{h, cc}: 2006-03-02 10:43:00 +00:00
stamp-h Initial import 2006-02-17 13:35:04 +00:00
stamp-h.in Initial import 2006-02-17 13:35:04 +00:00

README 

aria2 - a simple utility for downloading files.

1. Disclaimer
-------------
This program comes with no warranty.
You must use this program at your own risk.

2. About aria2
--------------
aria2 has segmented downloading engine in its core. By segmented downloading,
it can download files very much faster than ordinary browsers.

aria2 is in very early development stage. Currently it has following features:
* HTTP/HTTPS GET support
* HTTP Proxy support
* HTTP BASIC authentication support
* HTTP Proxy authentication support
* FTP support(active, passive mode)
* FTP through HTTP proxy(GET command or tunneling)
* Segmented download
* Cookie support(currently aria2 ignores "expires")
* It can run as a daemon process.
* BitTorrent protocol support
* Selective download in multi-file torrent

3. How to build
---------------
$ ./configure
$ make

The executable is aria2c in src directory.

4. Dependency
-------------
In order to enable HTTPS support, you need GNU TLS or OpenSSL.
In order to enable BitTorrent support, you need GNU TLS+libgcrypt or OpenSSL.

GNU TLS has precedence over OpenSSL if both libraries are installed.
If you prefer OpenSSL, run configure with "--without-gnutls".

5. BitTorrrent
--------------
The filename of the downloaded file is determined as follows:

single-file mode:
    If "name" key is present in .torrent file, filename is the value of "name"
    key. Otherwise, filename is the basename of .torrent file appended by
    ".file". For example, .torrent file is "test.torrrent", then filename is
    "test.torrent.file".
    The directory to store the downloaded file can be specified by -d option.
multi-file mode:
    The complete directory/file structure mentioned in .torrent file is
    created.
    The directory to store the top directory of downloaded files can be
    specified by -d option.

In the default behavior, before download starts, complete directory structure
is created if needed. Then aria2 opens all files mentioned in .torrent file,
directly writes to and reads from these files.
NOTE: Even in selective download, all files are opened.

If "--direct-file-mapping" option set to be false, aria2 creates temporary
file in the store directory. The length of this file is the sum of length of
the files in .torrent file, so at least 2 times more disk space than the file
size itself is required. Writing and reading is done against this file.
After download completes, aria2 creates complete directory structure if needed,
and copies whole file or a part of it to the destination.

Note:
*  -o option is used to change the filename of downloaded .torrent file.
* This version only supports compact peers list format.
* The ports aria2c uses are 6881-6999.
* The maximum number of peers is 55.
* After selective download completes, aria2 is going to download rest of the
files.