mirror of https://github.com/aria2/aria2
92 lines
3.1 KiB
C++
92 lines
3.1 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) 2013 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 "SaveSessionCommand.h"
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#include "DownloadEngine.h"
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#include "RequestGroupMan.h"
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#include "SessionSerializer.h"
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#include "prefs.h"
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#include "fmt.h"
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#include "LogFactory.h"
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#include "Option.h"
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namespace aria2 {
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SaveSessionCommand::SaveSessionCommand(cuid_t cuid, DownloadEngine* e,
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std::chrono::seconds interval)
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: TimeBasedCommand(cuid, e, std::move(interval), true)
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{
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}
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SaveSessionCommand::~SaveSessionCommand() = default;
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void SaveSessionCommand::preProcess()
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{
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if (getDownloadEngine()->getRequestGroupMan()->downloadFinished() ||
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getDownloadEngine()->isHaltRequested()) {
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enableExit();
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}
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}
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void SaveSessionCommand::process()
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{
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const std::string& filename =
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getDownloadEngine()->getOption()->get(PREF_SAVE_SESSION);
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if (!filename.empty()) {
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auto& rgman = getDownloadEngine()->getRequestGroupMan();
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SessionSerializer sessionSerializer(rgman.get());
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auto sessionHash = sessionSerializer.calculateHash();
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if (rgman->getLastSessionHash() == sessionHash) {
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A2_LOG_INFO("No change since last serialization or startup. "
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"No serialization is necessary this time.");
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return;
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}
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rgman->setLastSessionHash(std::move(sessionHash));
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if (sessionSerializer.save(filename)) {
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A2_LOG_NOTICE(
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fmt(_("Serialized session to '%s' successfully."), filename.c_str()));
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}
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else {
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A2_LOG_ERROR(
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fmt(_("Failed to serialize session to '%s'."), filename.c_str()));
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}
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}
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}
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} // namespace aria2
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