mirror of https://github.com/aria2/aria2
144 lines
4.7 KiB
C++
144 lines
4.7 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 "SocketCore.h"
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#include "Logger.h"
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#include "LogFactory.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 "util.h"
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#include "fmt.h"
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namespace aria2 {
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PeerInitiateConnectionCommand::PeerInitiateConnectionCommand
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(cuid_t cuid,
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RequestGroup* requestGroup,
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const std::shared_ptr<Peer>& peer,
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DownloadEngine* e,
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const std::shared_ptr<BtRuntime>& btRuntime,
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bool mseHandshakeEnabled)
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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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A2_LOG_INFO(fmt(MSG_CONNECTING_TO_SERVER,
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getCuid(),
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getPeer()->getIPAddress().c_str(),
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getPeer()->getPort()));
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createSocket();
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getSocket()->establishConnection(getPeer()->getIPAddress(),
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getPeer()->getPort(), false);
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if(mseHandshakeEnabled_) {
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auto c = make_unique<InitiatorMSEHandshakeCommand>
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(getCuid(), requestGroup_, getPeer(),
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getDownloadEngine(), btRuntime_, getSocket());
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c->setPeerStorage(peerStorage_);
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c->setPieceStorage(pieceStorage_);
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getDownloadEngine()->addCommand(std::move(c));
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} else {
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getDownloadEngine()->addCommand
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(make_unique<PeerInteractionCommand>
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(getCuid(), requestGroup_, getPeer(),
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getDownloadEngine(),
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btRuntime_, pieceStorage_, peerStorage_,
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getSocket(),
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PeerInteractionCommand::INITIATOR_SEND_HANDSHAKE));
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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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cuid_t ncuid = getDownloadEngine()->newCUID();
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std::shared_ptr<Peer> peer = peerStorage_->checkoutPeer(ncuid);
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// sanity check
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if(peer) {
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auto command = make_unique<PeerInitiateConnectionCommand>
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(ncuid, requestGroup_, peer, getDownloadEngine(), btRuntime_);
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command->setPeerStorage(peerStorage_);
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command->setPieceStorage(pieceStorage_);
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getDownloadEngine()->addCommand(std::move(command));
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}
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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(getPeer());
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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 std::shared_ptr<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 std::shared_ptr<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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