aria2/src/PeerInitiateConnectionComma...

117 lines
3.9 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 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 "PeerInitiateConnectionCommand.h"
#include "InitiatorMSEHandshakeCommand.h"
#include "PeerInteractionCommand.h"
#include "DownloadEngine.h"
#include "DlAbortEx.h"
#include "message.h"
#include "prefs.h"
#include "CUIDCounter.h"
#include "Socket.h"
#include "Logger.h"
#include "Peer.h"
#include "PeerConnection.h"
#include "BtContext.h"
#include "BtRuntime.h"
#include "PieceStorage.h"
#include "PeerStorage.h"
#include "BtAnnounce.h"
#include "BtProgressInfoFile.h"
namespace aria2 {
PeerInitiateConnectionCommand::PeerInitiateConnectionCommand(int cuid,
RequestGroup* requestGroup,
const PeerHandle& peer,
DownloadEngine* e,
const BtContextHandle& btContext,
bool mseHandshakeEnabled)
:PeerAbstractCommand(cuid, peer, e),
BtContextAwareCommand(btContext),
RequestGroupAware(requestGroup),
_mseHandshakeEnabled(mseHandshakeEnabled)
{
btRuntime->increaseConnections();
}
PeerInitiateConnectionCommand::~PeerInitiateConnectionCommand()
{
btRuntime->decreaseConnections();
}
bool PeerInitiateConnectionCommand::executeInternal() {
logger->info(MSG_CONNECTING_TO_SERVER, cuid, peer->ipaddr.c_str(),
peer->port);
socket.reset(new SocketCore());
socket->establishConnection(peer->ipaddr, peer->port);
Command* command;
if(_mseHandshakeEnabled) {
command =
new InitiatorMSEHandshakeCommand(cuid, _requestGroup, peer, e, btContext,
socket);
} else {
command =
new PeerInteractionCommand(cuid, _requestGroup, peer, e, btContext, socket,
PeerInteractionCommand::INITIATOR_SEND_HANDSHAKE);
}
e->commands.push_back(command);
return true;
}
// TODO this method removed when PeerBalancerCommand is implemented
bool PeerInitiateConnectionCommand::prepareForNextPeer(time_t wait) {
if(peerStorage->isPeerAvailable() && btRuntime->lessThanEqMinPeers()) {
PeerHandle peer = peerStorage->getUnusedPeer();
peer->usedBy(CUIDCounterSingletonHolder::instance()->newID());
Command* command =
new PeerInitiateConnectionCommand(peer->usedBy(), _requestGroup, peer, e,
btContext);
e->commands.push_back(command);
}
return true;
}
void PeerInitiateConnectionCommand::onAbort() {
peerStorage->returnPeer(peer);
}
bool PeerInitiateConnectionCommand::exitBeforeExecute()
{
return btRuntime->isHalt();
}
} // namespace aria2