mirror of https://github.com/aria2/aria2
137 lines
4.4 KiB
C++
137 lines
4.4 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) 2006 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 "PeerInitiateConnectionCommand.h"
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#include "InitiatorMSEHandshakeCommand.h"
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#include "PeerInteractionCommand.h"
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#include "DownloadEngine.h"
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#include "DlAbortEx.h"
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#include "message.h"
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#include "prefs.h"
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#include "Socket.h"
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#include "Logger.h"
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#include "Peer.h"
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#include "BtRuntime.h"
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#include "PeerStorage.h"
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#include "PieceStorage.h"
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#include "PeerConnection.h"
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#include "RequestGroup.h"
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#include "DownloadContext.h"
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namespace aria2 {
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PeerInitiateConnectionCommand::PeerInitiateConnectionCommand
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(int cuid,
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RequestGroup* requestGroup,
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const PeerHandle& peer,
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DownloadEngine* e,
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const SharedHandle<BtRuntime>& btRuntime,
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bool mseHandshakeEnabled)
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:
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PeerAbstractCommand(cuid, peer, e),
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_requestGroup(requestGroup),
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_btRuntime(btRuntime),
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_mseHandshakeEnabled(mseHandshakeEnabled)
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{
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_btRuntime->increaseConnections();
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_requestGroup->increaseNumCommand();
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}
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PeerInitiateConnectionCommand::~PeerInitiateConnectionCommand()
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{
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_requestGroup->decreaseNumCommand();
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_btRuntime->decreaseConnections();
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}
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bool PeerInitiateConnectionCommand::executeInternal() {
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logger->info(MSG_CONNECTING_TO_SERVER, cuid, peer->ipaddr.c_str(),
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peer->port);
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socket.reset(new SocketCore());
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socket->establishConnection(peer->ipaddr, peer->port);
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if(_mseHandshakeEnabled) {
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InitiatorMSEHandshakeCommand* c =
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new InitiatorMSEHandshakeCommand(cuid, _requestGroup, peer, e,
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_btRuntime, socket);
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c->setPeerStorage(_peerStorage);
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c->setPieceStorage(_pieceStorage);
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e->commands.push_back(c);
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} else {
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PeerInteractionCommand* command =
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new PeerInteractionCommand
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(cuid, _requestGroup, peer, e, _btRuntime, _pieceStorage,
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socket, PeerInteractionCommand::INITIATOR_SEND_HANDSHAKE);
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command->setPeerStorage(_peerStorage);
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e->commands.push_back(command);
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}
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return true;
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}
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// TODO this method removed when PeerBalancerCommand is implemented
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bool PeerInitiateConnectionCommand::prepareForNextPeer(time_t wait) {
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if(_peerStorage->isPeerAvailable() && _btRuntime->lessThanEqMinPeers()) {
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PeerHandle peer = _peerStorage->getUnusedPeer();
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peer->usedBy(e->newCUID());
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PeerInitiateConnectionCommand* command =
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new PeerInitiateConnectionCommand(peer->usedBy(), _requestGroup, peer, e,
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_btRuntime);
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command->setPeerStorage(_peerStorage);
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command->setPieceStorage(_pieceStorage);
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e->commands.push_back(command);
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}
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return true;
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}
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void PeerInitiateConnectionCommand::onAbort() {
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_peerStorage->returnPeer(peer);
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}
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bool PeerInitiateConnectionCommand::exitBeforeExecute()
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{
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return _btRuntime->isHalt();
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}
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void PeerInitiateConnectionCommand::setPeerStorage
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(const SharedHandle<PeerStorage>& peerStorage)
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{
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_peerStorage = peerStorage;
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}
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void PeerInitiateConnectionCommand::setPieceStorage
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(const SharedHandle<PieceStorage>& pieceStorage)
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{
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_pieceStorage = pieceStorage;
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}
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} // namespace aria2
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