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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2012 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "WebSocketInteractionCommand.h"
#include "SocketCore.h"
#include "DownloadEngine.h"
#include "RequestGroupMan.h"
#include "WebSocketSession.h"
#include "Logger.h"
#include "LogFactory.h"
#include "fmt.h"
#include "SingletonHolder.h"
#include "Notifier.h"
namespace aria2 {
namespace rpc {
WebSocketInteractionCommand::WebSocketInteractionCommand
(cuid_t cuid,
const SharedHandle<WebSocketSession>& wsSession,
DownloadEngine* e,
const SharedHandle<SocketCore>& socket)
: Command(cuid),
e_(e),
socket_(socket),
writeCheck_(false),
wsSession_(wsSession)
{
SingletonHolder<Notifier>::instance()->addWebSocketSession(wsSession_);
e_->addSocketForReadCheck(socket_, this);
}
WebSocketInteractionCommand::~WebSocketInteractionCommand()
{
e_->deleteSocketForReadCheck(socket_, this);
if(writeCheck_) {
e_->deleteSocketForWriteCheck(socket_, this);
}
SingletonHolder<Notifier>::instance()->removeWebSocketSession(wsSession_);
}
void WebSocketInteractionCommand::updateWriteCheck()
{
if(socket_->wantWrite() || wsSession_->wantWrite()) {
if(!writeCheck_) {
writeCheck_ = true;
e_->addSocketForWriteCheck(socket_, this);
}
} else if(writeCheck_) {
writeCheck_ = false;
e_->deleteSocketForWriteCheck(socket_, this);
}
}
bool WebSocketInteractionCommand::execute()
{
if(e_->isHaltRequested()) {
return true;
}
if(wsSession_->onReadEvent() == -1 || wsSession_->onWriteEvent() == -1) {
if(wsSession_->closeSent() || wsSession_->closeReceived()) {
A2_LOG_INFO(fmt("CUID#%"PRId64" - WebSocket session terminated.",
getCuid()));
} else {
A2_LOG_INFO(fmt("CUID#%"PRId64" - WebSocket session terminated"
" (Possibly due to EOF).", getCuid()));
}
return true;
}
if(wsSession_->finish()) {
return true;
}
updateWriteCheck();
e_->addCommand(this);
return false;
}
} // namespace rpc
} // namespace aria2
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