コード例 #1
0
  public void handleUpdatePacket(Packet p, String from) {
    // dont update packets that came from this device
    if (p.getSource().equals(localDevice.getBluetoothAddress())) return;

    // get the md5 of the payload of the packet and store it
    // if the previous md5 is the same with the new one
    // then this packet is redundant
    String hash = md5(p.getPayload());
    if (history.containsKey(p.getSource())) {
      String old = history.get(p.getSource());
      if (old.equals(hash)) return;
    }

    ByteBuffer buffer = ByteBuffer.allocate(p.getPayload().length);
    buffer.put(p.getPayload());
    routingTable.remove(p.getSource());
    routingTable.add(p.getSource());
    byte[] tmp = new byte[12];
    while (buffer.hasRemaining()) {
      buffer.get(tmp, 0, 12);
      routingTable.add(p.getSource(), new String(tmp));
    }

    for (String address : connections.keySet()) {
      if (!address.equals(from)) {
        connections.get(address).offer(p);
      }
    }
    history.put(p.getSource(), hash);
  }
コード例 #2
0
 public void removeConnection(String address) {
   mutex.writeLock().lock();
   try {
     if (connections.containsKey(address)) {
       ConnectionHandler handler = connections.get(address);
       connections.remove(address);
       routingTable.remove(localDevice.getBluetoothAddress(), address);
       handler.setStop(true);
     }
   } finally {
     mutex.writeLock().unlock();
   }
 }