mirror of https://github.com/aria2/aria2
151 lines
4.1 KiB
C++
151 lines
4.1 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef _D_FTP_NEGOTIATION_COMMAND_H_
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#define _D_FTP_NEGOTIATION_COMMAND_H_
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#include "AbstractCommand.h"
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namespace aria2 {
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class FtpConnection;
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class SocketCore;
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class FtpNegotiationCommand : public AbstractCommand {
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public:
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enum Seq {
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SEQ_RECV_GREETING,
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SEQ_SEND_USER,
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SEQ_RECV_USER,
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SEQ_SEND_PASS,
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SEQ_RECV_PASS,
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SEQ_SEND_TYPE,
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SEQ_RECV_TYPE,
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SEQ_SEND_PWD,
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SEQ_RECV_PWD,
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SEQ_SEND_CWD,
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SEQ_RECV_CWD,
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SEQ_SEND_MDTM,
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SEQ_RECV_MDTM,
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SEQ_SEND_SIZE,
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SEQ_RECV_SIZE,
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SEQ_PREPARE_SERVER_SOCKET,
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SEQ_SEND_PORT,
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SEQ_RECV_PORT,
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SEQ_SEND_PASV,
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SEQ_RECV_PASV,
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SEQ_SEND_REST_PASV,
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SEQ_SEND_REST,
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SEQ_RECV_REST,
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SEQ_SEND_RETR,
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SEQ_RECV_RETR,
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SEQ_WAIT_CONNECTION,
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SEQ_NEGOTIATION_COMPLETED,
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SEQ_RETRY,
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SEQ_HEAD_OK,
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SEQ_DOWNLOAD_ALREADY_COMPLETED,
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SEQ_FILE_PREPARATION, // File allocation after SIZE command
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SEQ_EXIT
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};
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private:
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bool recvGreeting();
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bool sendUser();
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bool recvUser();
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bool sendPass();
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bool recvPass();
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bool sendType();
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bool recvType();
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bool sendPwd();
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bool recvPwd();
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bool sendCwd();
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bool recvCwd();
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bool sendMdtm();
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bool recvMdtm();
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bool sendSize();
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bool recvSize();
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bool prepareServerSocket();
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bool sendPort();
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bool recvPort();
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bool sendPasv();
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bool recvPasv();
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bool sendRest(const SharedHandle<Segment>& segment);
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bool sendRestPasv(const SharedHandle<Segment>& segment);
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bool recvRest(const SharedHandle<Segment>& segment);
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bool sendRetr();
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bool recvRetr();
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bool waitConnection();
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bool processSequence(const SharedHandle<Segment>& segment);
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void afterFileAllocation();
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void poolConnection() const;
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bool onFileSizeDetermined(uint64_t totalLength);
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void onDryRunFileFound();
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SharedHandle<SocketCore> dataSocket;
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SharedHandle<SocketCore> serverSocket;
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Seq sequence;
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SharedHandle<FtpConnection> ftp;
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std::string _connectedHostname;
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std::string _connectedAddr;
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uint16_t _connectedPort;
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protected:
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virtual bool executeInternal();
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public:
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FtpNegotiationCommand(int32_t cuid,
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const SharedHandle<Request>& req,
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const SharedHandle<FileEntry>& fileEntry,
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RequestGroup* requestGroup,
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DownloadEngine* e,
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const SharedHandle<SocketCore>& s,
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Seq seq = SEQ_RECV_GREETING,
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const std::string& baseWorkingDir = "/");
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virtual ~FtpNegotiationCommand();
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void setConnectedAddr
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(const std::string& hostname, const std::string& addr, uint16_t port)
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{
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_connectedHostname = hostname;
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_connectedAddr = addr;
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_connectedPort = port;
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}
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};
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} // namespace aria2
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#endif // _D_FTP_NEGOTIATION_COMMAND_H_
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