Ejemplo n.º 1
0
 /**
  * Read a PeerAddress from a Netty buffer. I did not want to include ChannelBuffer in the class
  * PeerAddress
  *
  * @param buffer The Netty buffer
  * @return A PeerAddress created from the buffer (deserialized)
  */
 private static PeerAddress readPeerAddress(final ChannelBuffer buffer) {
   if (buffer.readableBytes() < 21) return null;
   Number160 id = readID(buffer);
   // peek
   int type = buffer.getUnsignedByte(buffer.readerIndex());
   // now we know the length
   int len = PeerAddress.expectedSocketLength(type);
   if (buffer.readableBytes() < len) return null;
   PeerAddress peerAddress =
       new PeerAddress(id, buffer.array(), buffer.arrayOffset() + buffer.readerIndex());
   buffer.skipBytes(len);
   return peerAddress;
 }
Ejemplo n.º 2
0
  /**
   * Decodes bytes from a channel buffer
   *
   * @param ctx a channel handler context
   * @param channel a channel
   * @param msg a message
   * @return a byte array
   */
  @Override
  protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
    if (!(msg instanceof ChannelBuffer)) {
      return msg;
    }
    ChannelBuffer buf = (ChannelBuffer) msg;
    byte[] array;
    if (buf.hasArray()) {
      if (buf.arrayOffset() == 0 && buf.readableBytes() == buf.capacity()) {
        array = buf.array();
      } else {
        array = new byte[buf.readableBytes()];
        buf.getBytes(0, array);
      }
    } else {
      array = new byte[buf.readableBytes()];
      buf.getBytes(0, array);
    }

    return array;
  }
Ejemplo n.º 3
0
 @Override
 public int arrayOffset() {
   return buffer.arrayOffset();
 }