1 /* <!-- copyright */
2 /*
3 * aria2 - The high speed download utility
4 *
5 * Copyright (C) 2006 Tatsuhiro Tsujikawa
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *
21 * In addition, as a special exception, the copyright holders give
22 * permission to link the code of portions of this program with the
23 * OpenSSL library under certain conditions as described in each
24 * individual source file, and distribute linked combinations
25 * including the two.
26 * You must obey the GNU General Public License in all respects
27 * for all of the code used other than OpenSSL. If you modify
28 * file(s) with this exception, you may extend this exception to your
29 * version of the file(s), but you are not obligated to do so. If you
30 * do not wish to do so, delete this exception statement from your
31 * version. If you delete this exception statement from all source
32 * files in the program, then also delete it here.
33 */
34 /* copyright --> */
35 #include "FtpDownloadCommand.h"
36 #include "Request.h"
37 #include "SocketCore.h"
38 #include "Segment.h"
39 #include "DownloadEngine.h"
40 #include "RequestGroup.h"
41 #include "prefs.h"
42 #include "Option.h"
43 #include "FtpFinishDownloadCommand.h"
44 #include "FtpConnection.h"
45 #include "Logger.h"
46 #include "FileEntry.h"
47 #include "SocketRecvBuffer.h"
48
49 namespace aria2 {
50
FtpDownloadCommand(cuid_t cuid,const std::shared_ptr<Request> & req,const std::shared_ptr<FileEntry> & fileEntry,RequestGroup * requestGroup,const std::shared_ptr<FtpConnection> & ftpConnection,DownloadEngine * e,const std::shared_ptr<SocketCore> & dataSocket,const std::shared_ptr<SocketCore> & ctrlSocket)51 FtpDownloadCommand::FtpDownloadCommand(
52 cuid_t cuid, const std::shared_ptr<Request>& req,
53 const std::shared_ptr<FileEntry>& fileEntry, RequestGroup* requestGroup,
54 const std::shared_ptr<FtpConnection>& ftpConnection, DownloadEngine* e,
55 const std::shared_ptr<SocketCore>& dataSocket,
56 const std::shared_ptr<SocketCore>& ctrlSocket)
57 : DownloadCommand(cuid, req, fileEntry, requestGroup, e, dataSocket,
58 std::make_shared<SocketRecvBuffer>(dataSocket)),
59 ftpConnection_(ftpConnection),
60 ctrlSocket_(ctrlSocket)
61 {
62 }
63
64 FtpDownloadCommand::~FtpDownloadCommand() = default;
65
prepareForNextSegment()66 bool FtpDownloadCommand::prepareForNextSegment()
67 {
68 if (getOption()->getAsBool(PREF_FTP_REUSE_CONNECTION) &&
69 getFileEntry()->gtoloff(getSegments().front()->getPositionToWrite()) ==
70 getFileEntry()->getLength()) {
71 getDownloadEngine()->addCommand(make_unique<FtpFinishDownloadCommand>(
72 getCuid(), getRequest(), getFileEntry(), getRequestGroup(),
73 ftpConnection_, getDownloadEngine(), ctrlSocket_));
74
75 if (getRequestGroup()->downloadFinished()) {
76 // To run checksum checking, we had to call following function here.
77 DownloadCommand::prepareForNextSegment();
78 }
79 return true;
80 }
81 else {
82 return DownloadCommand::prepareForNextSegment();
83 }
84 }
85
getRequestEndOffset() const86 int64_t FtpDownloadCommand::getRequestEndOffset() const
87 {
88 return getFileEntry()->getLength();
89 }
90
91 } // namespace aria2
92