示例#1
0
文件: Snark.java 项目: dzirtt/i2p.i2p
  /**
   * multitorrent, magnet
   *
   * @param torrent a fake name for now (not a file name)
   * @param ih 20-byte info hash
   * @param trackerURL may be null
   * @throws RuntimeException via fatal()
   * @since 0.8.4
   */
  public Snark(
      I2PSnarkUtil util,
      String torrent,
      byte[] ih,
      String trackerURL,
      CompleteListener complistener,
      PeerCoordinatorSet peerCoordinatorSet,
      ConnectionAcceptor connectionAcceptor,
      boolean start,
      String rootDir) {
    completeListener = complistener;
    _util = util;
    _log = util.getContext().logManager().getLog(Snark.class);
    _peerCoordinatorSet = peerCoordinatorSet;
    acceptor = connectionAcceptor;
    this.torrent = torrent;
    this.infoHash = ih;
    this.additionalTrackerURL = trackerURL;
    this.rootDataDir =
        rootDir != null ? new File(rootDir) : null; // null only for FetchAndAdd extension
    savedUploaded = 0;
    stopped = true;
    id = generateID();

    // All we have is an infoHash
    // meta remains null
    // storage remains null

    if (start) startTorrent();
  }
示例#2
0
文件: Snark.java 项目: dzirtt/i2p.i2p
  /**
   * 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();
  }