added bittorrent support(experimental)

1 files changed, 126 insertions, 0 deletions

diff --git a/src/TrackerUpdateCommand.cc b/src/TrackerUpdateCommand.cc
new file mode 100644
index 00000000..8ef3e0ae
--- /dev/null
+++ b/src/TrackerUpdateCommand.cc
@@ -0,0 +1,126 @@
+/* <!-- copyright */
+/*
+ * aria2 - a simple utility for downloading files faster
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+/* copyright --> */
+#include "TrackerUpdateCommand.h"
+#include "TrackerInitCommand.h"
+#include "PeerInitiateConnectionCommand.h"
+#include "PeerListenCommand.h"
+#include "SleepCommand.h"
+#include "Dictionary.h"
+#include "Data.h"
+#include "DlAbortEx.h"
+#include "message.h"
+#include <netinet/in.h>
+
+TrackerUpdateCommand::TrackerUpdateCommand(int cuid, Request* req,
+					   TorrentDownloadEngine* e,
+					   MetaEntry* trackerResponse)
+  :Command(cuid), req(req), e(e), trackerResponse(trackerResponse) {}
+
+TrackerUpdateCommand::~TrackerUpdateCommand() {
+  delete trackerResponse;
+}
+
+bool TrackerUpdateCommand::execute() {
+  if(req->getTrackerEvent() == Request::COMPLETED) {
+    return true;
+  }
+  e->torrentMan->deleteOldErrorPeers(25);
+
+  Dictionary* response = (Dictionary*)trackerResponse;
+  Data* failureReason = (Data*)response->get("failure reason");
+  if(failureReason != NULL) {
+    throw new DlAbortEx("Tracker returned failure reason: %s", failureReason->toString().c_str());
+  }
+  Data* warningMessage = (Data*)response->get("warning message");
+  if(warningMessage != NULL) {
+    e->logger->info(MSG_TRACKER_WARNING_MESSAGE, cuid, warningMessage->toString().c_str());
+  }
+  Data* trackerId = (Data*)response->get("tracker id");
+  if(trackerId != NULL) {
+    e->torrentMan->trackerId = trackerId->toString();
+    e->logger->debug("CUID#%d - Tracker ID:%s", cuid, e->torrentMan->trackerId.c_str());
+  }
+  Data* interval = (Data*)response->get("interval");
+  if(interval != NULL) {
+    e->torrentMan->interval = interval->toInt();
+    e->logger->debug("CUID#%d - interval:%d", cuid, e->torrentMan->interval);
+  }
+  Data* minInterval = (Data*)response->get("min interval");
+  if(minInterval != NULL) {
+    e->torrentMan->minInterval = minInterval->toInt();
+    e->logger->debug("CUID#%d - min interval:%d", cuid, e->torrentMan->minInterval);
+  }
+  Data* complete = (Data*)response->get("complete");
+  if(complete != NULL) {
+    e->torrentMan->complete = complete->toInt();
+    e->logger->debug("CUID#%d - complete:%d", cuid, e->torrentMan->complete);
+  }
+  Data* incomplete = (Data*)response->get("incomplete");
+  if(incomplete != NULL) {
+    e->torrentMan->incomplete = incomplete->toInt();
+    e->logger->debug("CUID#%d - incomplete:%d", cuid, e->torrentMan->incomplete);
+  } 
+  Data* peers = (Data*)response->get("peers");
+  for(int i = 0; i < peers->getLen(); i += 6) {
+    unsigned int ipaddr1 = (unsigned char)*(peers->getData()+i);
+    unsigned int ipaddr2 = (unsigned char)*(peers->getData()+i+1);
+    unsigned int ipaddr3 = (unsigned char)*(peers->getData()+i+2);
+    unsigned int ipaddr4 = (unsigned char)*(peers->getData()+i+3);
+    //unsigned short int nPort = 0;
+    //memcpy(&nPort, peers->getData()+i+4, 2);
+    unsigned int port = ntohs(*(unsigned short int*)(peers->getData()+i+4));
+    //unsigned int port = ntohs(nPort);
+    char ipaddr[16];
+
+    snprintf(ipaddr, sizeof(ipaddr), "%d.%d.%d.%d",
+	     ipaddr1, ipaddr2, ipaddr3, ipaddr4);
+    Peer* peer = new Peer(ipaddr, port, e->torrentMan->pieceLength,
+			  e->torrentMan->totalSize);
+    if(e->torrentMan->addPeer(peer)) {
+      e->logger->debug("CUID#%d - adding peer %s:%d", cuid,
+		       peer->ipaddr.c_str(), peer->port);
+    } else {
+      delete peer;
+    }
+  }
+  /*
+  if(req->getTrackerEvent() == Request::STARTED) {
+    PeerListenCommand* command = new PeerListenCommand(e->torrentMan->getNewCuid(), e);
+    e->commands.push(command);
+    e->logger->debug("CUID#%d - adding listen command", cuid);
+  }
+  */
+  while(e->torrentMan->isPeerAvailable() &&
+	e->torrentMan->connections < MAX_PEERS) {
+    Peer* peer = e->torrentMan->getPeer();
+    int newCuid =  e->torrentMan->getNewCuid();
+    peer->cuid = newCuid;
+    PeerInitiateConnectionCommand* command = new PeerInitiateConnectionCommand(newCuid, peer, e);
+    e->commands.push(command);
+    e->logger->debug("CUID#%d - adding new command CUID#%d", cuid, newCuid);
+  }
+  req->setTrackerEvent(Request::AUTO);
+  TrackerInitCommand* command = new TrackerInitCommand(cuid, req, e);
+  SleepCommand* slpCommand = new SleepCommand(cuid, e, command, e->torrentMan->minInterval);
+  e->commands.push(slpCommand);
+  return true;
+}