mirror of https://github.com/aria2/aria2
116 lines
4.5 KiB
C++
116 lines
4.5 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - a simple utility for downloading files faster
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* copyright --> */
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#include "TrackerUpdateCommand.h"
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#include "PeerInitiateConnectionCommand.h"
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#include "PeerListenCommand.h"
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#include "Dictionary.h"
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#include "Data.h"
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#include "DlAbortEx.h"
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#include "message.h"
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#include <netinet/in.h>
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TrackerUpdateCommand::TrackerUpdateCommand(int cuid, Request* req,
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TorrentDownloadEngine* e,
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MetaEntry* trackerResponse)
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:Command(cuid), req(req), e(e), trackerResponse(trackerResponse) {}
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TrackerUpdateCommand::~TrackerUpdateCommand() {
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delete trackerResponse;
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}
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bool TrackerUpdateCommand::execute() {
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Dictionary* response = (Dictionary*)trackerResponse;
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Data* failureReason = (Data*)response->get("failure reason");
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if(failureReason != NULL) {
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throw new DlAbortEx("Tracker returned failure reason: %s", failureReason->toString().c_str());
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}
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Data* warningMessage = (Data*)response->get("warning message");
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if(warningMessage != NULL) {
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e->logger->warn(MSG_TRACKER_WARNING_MESSAGE, cuid, warningMessage->toString().c_str());
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}
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Data* trackerId = (Data*)response->get("tracker id");
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if(trackerId != NULL) {
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e->torrentMan->trackerId = trackerId->toString();
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e->logger->debug("CUID#%d - Tracker ID:%s", cuid, e->torrentMan->trackerId.c_str());
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}
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Data* interval = (Data*)response->get("interval");
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if(interval != NULL) {
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e->torrentMan->interval = interval->toInt();
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e->logger->debug("CUID#%d - interval:%d", cuid, e->torrentMan->interval);
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}
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Data* minInterval = (Data*)response->get("min interval");
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if(minInterval != NULL) {
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e->torrentMan->minInterval = minInterval->toInt();
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e->logger->debug("CUID#%d - min interval:%d", cuid, e->torrentMan->minInterval);
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}
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if(e->torrentMan->minInterval > e->torrentMan->interval) {
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e->torrentMan->minInterval = e->torrentMan->interval;
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}
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Data* complete = (Data*)response->get("complete");
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if(complete != NULL) {
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e->torrentMan->complete = complete->toInt();
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e->logger->debug("CUID#%d - complete:%d", cuid, e->torrentMan->complete);
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}
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Data* incomplete = (Data*)response->get("incomplete");
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if(incomplete != NULL) {
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e->torrentMan->incomplete = incomplete->toInt();
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e->logger->debug("CUID#%d - incomplete:%d", cuid, e->torrentMan->incomplete);
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}
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Data* peers = (Data*)response->get("peers");
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if(peers != NULL) {
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for(int i = 0; i < peers->getLen(); i += 6) {
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unsigned int ipaddr1 = (unsigned char)*(peers->getData()+i);
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unsigned int ipaddr2 = (unsigned char)*(peers->getData()+i+1);
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unsigned int ipaddr3 = (unsigned char)*(peers->getData()+i+2);
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unsigned int ipaddr4 = (unsigned char)*(peers->getData()+i+3);
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unsigned int port = ntohs(*(unsigned short int*)(peers->getData()+i+4));
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char ipaddr[16];
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snprintf(ipaddr, sizeof(ipaddr), "%d.%d.%d.%d",
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ipaddr1, ipaddr2, ipaddr3, ipaddr4);
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Peer* peer = new Peer(ipaddr, port, e->torrentMan->pieceLength,
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e->torrentMan->getTotalLength());
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if(e->torrentMan->addPeer(peer)) {
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e->logger->debug("CUID#%d - adding peer %s:%d", cuid,
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peer->ipaddr.c_str(), peer->port);
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} else {
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delete peer;
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}
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}
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} else {
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e->logger->info("CUID#%d - no peer list received.", cuid);
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}
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while(e->torrentMan->isPeerAvailable() &&
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e->torrentMan->connections < MAX_PEER_UPDATE) {
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Peer* peer = e->torrentMan->getPeer();
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int newCuid = e->torrentMan->getNewCuid();
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peer->cuid = newCuid;
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PeerInitiateConnectionCommand* command = new PeerInitiateConnectionCommand(newCuid, peer, e);
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e->commands.push(command);
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e->logger->debug("CUID#%d - adding new command CUID#%d", cuid, newCuid);
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}
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if(req->getTrackerEvent() == Request::STARTED) {
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req->setTrackerEvent(Request::AUTO);
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}
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return true;
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}
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