Beispiel #1
0
 public ByteBuffer encode() {
   int length = 2;
   for (Packet packet : content) {
     int pLength = packet.encode().array().length;
     if (pLength >= 255) {
       length += 3;
     } else {
       length += 1;
     }
     length += pLength;
   }
   ByteBuffer data = ByteBuffer.allocate(length);
   data.order(ByteOrder.BIG_ENDIAN).putShort((short) 3);
   for (Packet packet : content) {
     byte[] pData = packet.encode().array();
     if (pData.length >= 255) {
       data.put((byte) 255);
       addShort(data, (short) pData.length);
     } else {
       data.put((byte) pData.length);
     }
     data.put(pData);
   }
   return data;
 }
Beispiel #2
0
 public void decode(ByteBuffer data) {
   data.position(2);
   int length = data.array().length;
   int pLength = 0;
   for (int i = 2; i < length; i += pLength) {
     if (data.remaining() < 1) return;
     pLength = getByte(data) & 0xFF;
     if (pLength == 255) {
       if (data.remaining() < 2) return;
       pLength = data.order(ByteOrder.LITTLE_ENDIAN).getShort();
     }
     if (pLength > data.remaining()) {
       data.position(data.position() - 1);
       return;
     }
     byte[] pData = new byte[pLength];
     data.get(pData);
     Packet p = new Packet();
     p.decode(ByteBuffer.wrap(pData));
     content.add(p);
   }
 }
Beispiel #3
0
 private int getPacketLength(Packet packet) {
   if (packet instanceof DataChannelA) return ((DataChannelA) packet).getLength();
   else if (packet instanceof Acknowledge || packet instanceof OutOfOrder) return 4;
   else if (packet instanceof Disconnect) return 8;
   return packet.encode().array().length;
 }