Exemplo n.º 1
0
 /** @since 0.8.5 */
 public static void main(String[] args) {
   if (args.length <= 0) {
     System.err.println("Usage: MetaInfo files...");
     return;
   }
   for (int i = 0; i < args.length; i++) {
     InputStream in = null;
     try {
       in = new FileInputStream(args[i]);
       MetaInfo meta = new MetaInfo(in);
       System.out.println(args[i] + " InfoHash: " + I2PSnarkUtil.toHex(meta.getInfoHash()));
     } catch (IOException ioe) {
       System.err.println("Error in file " + args[i] + ": " + ioe);
     } finally {
       try {
         if (in != null) in.close();
       } catch (IOException ioe) {
       }
     }
   }
 }
Exemplo n.º 2
0
 /**
  * @return always will be valid even in magnet mode
  * @since 0.8.4
  */
 public byte[] getInfoHash() {
   // should always be the same
   if (meta != null) return meta.getInfoHash();
   return infoHash;
 }
Exemplo n.º 3
0
  public void run() {
    // XXX - Support other IPs
    String announce = meta.getAnnounce();
    String infoHash = urlencode(meta.getInfoHash());
    String peerID = urlencode(coordinator.getID());

    long uploaded = coordinator.getUploaded();
    long downloaded = coordinator.getDownloaded();
    long left = coordinator.getLeft();

    boolean completed = (left == 0);

    try {
      boolean started = false;
      while (!started) {
        try {
          // Send start.
          TrackerInfo info =
              doRequest(announce, infoHash, peerID, uploaded, downloaded, left, STARTED_EVENT);
          Iterator it = info.getPeers().iterator();
          while (it.hasNext()) coordinator.addPeer((Peer) it.next());
          started = true;
        } catch (IOException ioe) {
          // Probably not fatal (if it doesn't last to long...)
          Snark.debug(
              "WARNING: Could not contact tracker at '" + announce + "': " + ioe, Snark.WARNING);
        }

        if (!started && !stop) {
          Snark.debug("         Retrying in one minute...", Snark.DEBUG);
          try {
            // Sleep one minutes...
            Thread.sleep(60 * 1000);
          } catch (InterruptedException interrupt) {
            // ignore
          }
        }
      }

      while (!stop) {
        try {
          // Sleep some minutes...
          Thread.sleep(SLEEP * 60 * 1000);
        } catch (InterruptedException interrupt) {
          // ignore
        }

        if (stop) break;

        uploaded = coordinator.getUploaded();
        downloaded = coordinator.getDownloaded();
        left = coordinator.getLeft();

        // First time we got a complete download?
        String event;
        if (!completed && left == 0) {
          completed = true;
          event = COMPLETED_EVENT;
        } else event = NO_EVENT;

        // Only do a request when necessary.
        if (event == COMPLETED_EVENT
            || coordinator.needPeers()
            || System.currentTimeMillis() > lastRequestTime + interval) {
          try {
            TrackerInfo info =
                doRequest(announce, infoHash, peerID, uploaded, downloaded, left, event);

            Iterator it = info.getPeers().iterator();
            while (it.hasNext()) coordinator.addPeer((Peer) it.next());
          } catch (IOException ioe) {
            // Probably not fatal (if it doesn't last to long...)
            Snark.debug(
                "WARNING: Could not contact tracker at '" + announce + "': " + ioe, Snark.WARNING);
          }
        }
      }
    } catch (Throwable t) {
      Snark.debug("TrackerClient: " + t, Snark.ERROR);
      t.printStackTrace();
    } finally {
      try {
        TrackerInfo info =
            doRequest(announce, infoHash, peerID, uploaded, downloaded, left, STOPPED_EVENT);
      } catch (IOException ioe) {
        /* ignored */
      }
    }
  }
Exemplo n.º 4
0
  /**
   * multitorrent
   *
   * @param baseFile if null, use rootDir/torrentName; if non-null, use it instead
   * @throws RuntimeException via fatal()
   * @since 0.9.11
   */
  public Snark(
      I2PSnarkUtil util,
      String torrent,
      String ip,
      int user_port,
      StorageListener slistener,
      CoordinatorListener clistener,
      CompleteListener complistener,
      PeerCoordinatorSet peerCoordinatorSet,
      ConnectionAcceptor connectionAcceptor,
      boolean start,
      String rootDir,
      File baseFile) {
    if (slistener == null) slistener = this;

    completeListener = complistener;
    _util = util;
    _log = util.getContext().logManager().getLog(Snark.class);
    _peerCoordinatorSet = peerCoordinatorSet;
    acceptor = connectionAcceptor;

    this.torrent = torrent;
    this.rootDataDir = new File(rootDir);

    stopped = true;
    activity = "Network setup";

    id = generateID();
    if (_log.shouldLog(Log.INFO)) _log.info("My peer id: " + PeerID.idencode(id));

    /*
     * Don't start a tunnel if the torrent isn't going to be started.
     * If we are starting,
     * startTorrent() will force a connect.
     *
        boolean ok = util.connect();
        if (!ok) fatal("Unable to connect to I2P");
        I2PServerSocket serversocket = util.getServerSocket();
        if (serversocket == null)
            fatal("Unable to listen for I2P connections");
        else {
            Destination d = serversocket.getManager().getSession().getMyDestination();
            debug("Listening on I2P destination " + d.toBase64() + " / " + d.calculateHash().toBase64(), NOTICE);
        }
    */

    // Figure out what the torrent argument represents.
    File f = null;
    InputStream in = null;
    byte[] x_infoHash = null;
    try {
      f = new File(torrent);
      if (f.exists()) in = new FileInputStream(f);
      else {
        /**
         * ** No, we don't ever fetch a torrent file this way and we don't want to block in the
         * constructor activity = "Getting torrent"; File torrentFile = _util.get(torrent, 3); if
         * (torrentFile == null) { fatal("Unable to fetch " + torrent); if (false) return; // never
         * reached - fatal(..) throws } else { torrentFile.deleteOnExit(); in = new
         * FileInputStream(torrentFile); } ***
         */
        throw new IOException("not found");
      }
      meta = new MetaInfo(in);
      x_infoHash = meta.getInfoHash();
    } catch (IOException ioe) {
      // OK, so it wasn't a torrent metainfo file.
      if (f != null && f.exists())
        if (ip == null)
          fatal(
              "'"
                  + torrent
                  + "' exists,"
                  + " but is not a valid torrent metainfo file."
                  + System.getProperty("line.separator"),
              ioe);
        else fatal("I2PSnark does not support creating and tracking a torrent at the moment");
      /*
         {
           // Try to create a new metainfo file
          debug
            ("Trying to create metainfo torrent for '" + torrent + "'",
             NOTICE);
          try
            {
              activity = "Creating torrent";
              storage = new Storage
                (f, "http://" + ip + ":" + port + "/announce", slistener);
              storage.create();
              meta = storage.getMetaInfo();
            }
          catch (IOException ioe2)
            {
              fatal("Could not create torrent for '" + torrent + "'", ioe2);
            }
         }
      */
      else fatal("Cannot open '" + torrent + "'", ioe);
    } catch (OutOfMemoryError oom) {
      fatal("ERROR - Out of memory, cannot create torrent " + torrent + ": " + oom.getMessage());
    } finally {
      if (in != null)
        try {
          in.close();
        } catch (IOException ioe) {
        }
    }

    infoHash = x_infoHash; // final
    if (_log.shouldLog(Log.INFO)) _log.info(meta.toString());

    // When the metainfo torrent was created from an existing file/dir
    // it already exists.
    if (storage == null) {
      try {
        activity = "Checking storage";
        boolean shouldPreserve =
            completeListener != null && completeListener.getSavedPreserveNamesSetting(this);
        if (baseFile == null) {
          String base = meta.getName();
          if (!shouldPreserve) base = Storage.filterName(base);
          if (_util.getFilesPublic()) baseFile = new File(rootDataDir, base);
          else baseFile = new SecureFile(rootDataDir, base);
        }
        storage = new Storage(_util, baseFile, meta, slistener, shouldPreserve);
        if (completeListener != null) {
          storage.check(
              completeListener.getSavedTorrentTime(this),
              completeListener.getSavedTorrentBitField(this));
        } else {
          storage.check();
        }
        // have to figure out when to reopen
        // if (!start)
        //    storage.close();
      } catch (IOException ioe) {
        try {
          storage.close();
        } catch (IOException ioee) {
          ioee.printStackTrace();
        }
        fatal("Could not check or create storage", ioe);
      }
    }

    /*
     * see comment above
     *
        activity = "Collecting pieces";
        coordinator = new PeerCoordinator(id, meta, storage, clistener, this);
        PeerCoordinatorSet set = PeerCoordinatorSet.instance();
        set.add(coordinator);
        ConnectionAcceptor acceptor = ConnectionAcceptor.instance();
        acceptor.startAccepting(set, serversocket);
        trackerclient = new TrackerClient(meta, coordinator);
    */

    savedUploaded = (completeListener != null) ? completeListener.getSavedUploaded(this) : 0;
    if (start) startTorrent();
  }