aria2/src/LpdReceiveMessageCommand.cc

111 lines
3.7 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2010 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 "LpdReceiveMessageCommand.h"
#include "DownloadEngine.h"
#include "SocketCore.h"
#include "LpdMessageReceiver.h"
#include "RequestGroupMan.h"
#include "DownloadContext.h"
#include "PeerStorage.h"
#include "Peer.h"
#include "RequestGroup.h"
#include "BtRegistry.h"
#include "Logger.h"
#include "LogFactory.h"
#include "LpdMessage.h"
#include "bittorrent_helper.h"
#include "util.h"
#include "fmt.h"
namespace aria2 {
LpdReceiveMessageCommand::LpdReceiveMessageCommand(
cuid_t cuid, const std::shared_ptr<LpdMessageReceiver>& receiver,
DownloadEngine* e)
: Command(cuid), receiver_(receiver), e_(e)
{
e_->addSocketForReadCheck(receiver_->getSocket(), this);
}
LpdReceiveMessageCommand::~LpdReceiveMessageCommand()
{
e_->deleteSocketForReadCheck(receiver_->getSocket(), this);
}
bool LpdReceiveMessageCommand::execute()
{
if (e_->getRequestGroupMan()->downloadFinished() || e_->isHaltRequested()) {
return true;
}
for (size_t i = 0; i < 20; ++i) {
auto m = receiver_->receiveMessage();
if (!m) {
break;
}
auto& reg = e_->getBtRegistry();
auto& dctx = reg->getDownloadContext(m->infoHash);
if (!dctx) {
A2_LOG_DEBUG(fmt("Download Context is null for infohash=%s.",
util::toHex(m->infoHash).c_str()));
continue;
}
if (bittorrent::getTorrentAttrs(dctx)->privateTorrent) {
A2_LOG_DEBUG("Ignore LPD message because the torrent is private.");
continue;
}
RequestGroup* group = dctx->getOwnerRequestGroup();
assert(group);
auto btobj = reg->get(group->getGID());
assert(btobj);
auto& peerStorage = btobj->peerStorage;
assert(peerStorage);
auto& peer = m->peer;
if (peerStorage->addPeer(peer)) {
A2_LOG_DEBUG(fmt("LPD peer %s:%u local=%d added.",
peer->getIPAddress().c_str(), peer->getPort(),
peer->isLocalPeer() ? 1 : 0));
}
else {
A2_LOG_DEBUG(fmt("LPD peer %s:%u local=%d not added.",
peer->getIPAddress().c_str(), peer->getPort(),
peer->isLocalPeer() ? 1 : 0));
}
}
e_->addCommand(std::unique_ptr<Command>(this));
return false;
}
} // namespace aria2