mirror of https://github.com/aria2/aria2
107 lines
3.6 KiB
C++
107 lines
3.6 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) 2015 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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#include "SftpDownloadCommand.h"
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#include "Request.h"
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#include "SocketCore.h"
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#include "Segment.h"
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#include "DownloadEngine.h"
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#include "RequestGroup.h"
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#include "Option.h"
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#include "FileEntry.h"
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#include "SocketRecvBuffer.h"
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#include "AuthConfig.h"
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#include "SftpFinishDownloadCommand.h"
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namespace aria2 {
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SftpDownloadCommand::SftpDownloadCommand
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(cuid_t cuid,
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const std::shared_ptr<Request>& req,
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const std::shared_ptr<FileEntry>& fileEntry,
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RequestGroup* requestGroup,
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DownloadEngine* e,
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const std::shared_ptr<SocketCore>& socket,
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std::unique_ptr<AuthConfig> authConfig)
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: DownloadCommand(cuid, req, fileEntry, requestGroup, e, socket,
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std::make_shared<SocketRecvBuffer>(socket)),
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authConfig_(std::move(authConfig))
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{
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setWriteCheckSocket(getSocket());
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}
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SftpDownloadCommand::~SftpDownloadCommand() {}
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bool SftpDownloadCommand::prepareForNextSegment()
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{
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if(getOption()->getAsBool(PREF_FTP_REUSE_CONNECTION) &&
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getFileEntry()->gtoloff(getSegments().front()->getPositionToWrite()) ==
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getFileEntry()->getLength()) {
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auto c = make_unique<SftpFinishDownloadCommand>
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(getCuid(), getRequest(), getFileEntry(), getRequestGroup(),
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getDownloadEngine(), getSocket());
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c->setStatus(Command::STATUS_ONESHOT_REALTIME);
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getDownloadEngine()->setNoWait(true);
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getDownloadEngine()->addCommand(std::move(c));
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if(getRequestGroup()->downloadFinished()) {
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// To run checksum checking, we had to call following function here.
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DownloadCommand::prepareForNextSegment();
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}
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return true;
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}
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auto rv = DownloadCommand::prepareForNextSegment();
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if (rv) {
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return true;
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}
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// sftp may not get incoming data. Enable write check to make this
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// command invoke.
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setWriteCheckSocket(getSocket());
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return false;
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}
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int64_t SftpDownloadCommand::getRequestEndOffset() const
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{
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return getFileEntry()->getLength();
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}
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bool SftpDownloadCommand::shouldEnableWriteCheck() {
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return getSocket()->wantWrite() || !getSocket()->wantRead();
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}
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} // namespace aria2
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