mirror of https://github.com/aria2/aria2
138 lines
4.2 KiB
C++
138 lines
4.2 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) 2012 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 "AbstractHttpServerResponseCommand.h"
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#include "SocketCore.h"
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#include "DownloadEngine.h"
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#include "HttpServer.h"
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#include "Logger.h"
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#include "LogFactory.h"
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#include "HttpServerCommand.h"
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#include "RequestGroupMan.h"
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#include "RecoverableException.h"
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#include "wallclock.h"
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#include "util.h"
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#include "fmt.h"
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namespace aria2 {
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AbstractHttpServerResponseCommand::AbstractHttpServerResponseCommand(
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cuid_t cuid, const std::shared_ptr<HttpServer>& httpServer,
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DownloadEngine* e, const std::shared_ptr<SocketCore>& socket)
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: Command(cuid),
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e_(e),
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socket_(socket),
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httpServer_(httpServer),
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readCheck_(false),
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writeCheck_(true)
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{
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setStatus(Command::STATUS_ONESHOT_REALTIME);
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e_->addSocketForWriteCheck(socket_, this);
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}
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AbstractHttpServerResponseCommand::~AbstractHttpServerResponseCommand()
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{
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if (readCheck_) {
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e_->deleteSocketForReadCheck(socket_, this);
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}
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if (writeCheck_) {
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e_->deleteSocketForWriteCheck(socket_, this);
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}
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}
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void AbstractHttpServerResponseCommand::updateReadWriteCheck()
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{
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if (httpServer_->wantRead()) {
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if (!readCheck_) {
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readCheck_ = true;
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e_->addSocketForReadCheck(socket_, this);
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}
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}
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else if (readCheck_) {
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readCheck_ = false;
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e_->deleteSocketForReadCheck(socket_, this);
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}
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if (httpServer_->wantWrite()) {
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if (!writeCheck_) {
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writeCheck_ = true;
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e_->addSocketForWriteCheck(socket_, this);
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}
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}
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else if (writeCheck_) {
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writeCheck_ = false;
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e_->deleteSocketForWriteCheck(socket_, this);
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}
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}
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bool AbstractHttpServerResponseCommand::execute()
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{
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if (e_->getRequestGroupMan()->downloadFinished() || e_->isHaltRequested()) {
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return true;
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}
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try {
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ssize_t len = httpServer_->sendResponse();
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if (len > 0) {
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timeoutTimer_ = global::wallclock();
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}
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}
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catch (RecoverableException& e) {
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A2_LOG_INFO_EX(fmt("CUID#%" PRId64
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" - Error occurred while transmitting response body.",
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getCuid()),
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e);
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return true;
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}
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if (httpServer_->sendBufferIsEmpty()) {
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A2_LOG_INFO(fmt("CUID#%" PRId64 " - HttpServer: all response transmitted.",
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getCuid()));
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afterSend(httpServer_, e_);
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return true;
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}
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else {
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if (timeoutTimer_.difference(global::wallclock()) >= 30_s) {
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A2_LOG_INFO(fmt("CUID#%" PRId64
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" - HttpServer: Timeout while trasmitting response.",
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getCuid()));
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return true;
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}
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else {
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updateReadWriteCheck();
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e_->addCommand(std::unique_ptr<Command>(this));
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return false;
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}
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}
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}
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} // namespace aria2
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