aria2/src/WebSocketSessionMan.cc

129 lines
4.1 KiB
C++

/* <!-- 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 "WebSocketSessionMan.h"
#include "WebSocketSession.h"
#include "RequestGroup.h"
#include "json.h"
#include "util.h"
#include "WebSocketInteractionCommand.h"
#include "LogFactory.h"
namespace aria2 {
namespace rpc {
WebSocketSessionMan::WebSocketSessionMan() {}
WebSocketSessionMan::~WebSocketSessionMan() {}
void WebSocketSessionMan::addSession
(const SharedHandle<WebSocketSession>& wsSession)
{
A2_LOG_DEBUG("WebSocket session added.");
sessions_.insert(wsSession);
}
void WebSocketSessionMan::removeSession
(const SharedHandle<WebSocketSession>& wsSession)
{
A2_LOG_DEBUG("WebSocket session removed.");
sessions_.erase(wsSession);
}
void WebSocketSessionMan::addNotification
(const std::string& method, const RequestGroup* group)
{
SharedHandle<Dict> dict = Dict::g();
dict->put("jsonrpc", "2.0");
dict->put("method", method);
SharedHandle<Dict> eventSpec = Dict::g();
eventSpec->put("gid", GroupId::toHex((group->getGID())));
SharedHandle<List> params = List::g();
params->append(eventSpec);
dict->put("params", params);
std::string msg = json::encode(dict);
for(WebSocketSessions::const_iterator i = sessions_.begin(),
eoi = sessions_.end(); i != eoi; ++i) {
(*i)->addTextMessage(msg);
(*i)->getCommand()->updateWriteCheck();
}
}
namespace {
// The string constants for download events.
const std::string ON_DOWNLOAD_START = "aria2.onDownloadStart";
const std::string ON_DOWNLOAD_PAUSE = "aria2.onDownloadPause";
const std::string ON_DOWNLOAD_STOP = "aria2.onDownloadStop";
const std::string ON_DOWNLOAD_COMPLETE = "aria2.onDownloadComplete";
const std::string ON_DOWNLOAD_ERROR = "aria2.onDownloadError";
const std::string ON_BT_DOWNLOAD_COMPLETE = "aria2.onBtDownloadComplete";
} // namespace
namespace {
const std::string& getMethodName(DownloadEvent event)
{
switch(event) {
case EVENT_ON_DOWNLOAD_START:
return ON_DOWNLOAD_START;
case EVENT_ON_DOWNLOAD_PAUSE:
return ON_DOWNLOAD_PAUSE;
case EVENT_ON_DOWNLOAD_STOP:
return ON_DOWNLOAD_STOP;
case EVENT_ON_DOWNLOAD_COMPLETE:
return ON_DOWNLOAD_COMPLETE;
case EVENT_ON_DOWNLOAD_ERROR:
return ON_DOWNLOAD_ERROR;
case EVENT_ON_BT_DOWNLOAD_COMPLETE:
return ON_BT_DOWNLOAD_COMPLETE;
default:
// Not reachable
assert(0);
// For suppress compiler warning
return A2STR::NIL;
}
}
} // namespace
void WebSocketSessionMan::onEvent(DownloadEvent event,
const RequestGroup* group)
{
addNotification(getMethodName(event), group);
}
} // namespace rpc
} // namespace aria2