int type, length;


    /**
     * @param dst
     * @param dstIndex
     * @return written bytes
     */
    public int writeWireFormat ( byte[] dst, int dstIndex ) {
        this.length = writeTrailerWireFormat(dst, dstIndex + HEADER_LENGTH);
        writeHeaderWireFormat(dst, dstIndex);
        return HEADER_LENGTH + this.length;
    }

    SessionRetargetResponsePacket () {
        this.type = SESSION_RETARGET_RESPONSE;
        this.length = 6;
    }


    @Override
    int writeTrailerWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override
    int readTrailerWireFormat ( InputStream in, byte[] buffer, int bufferIndex ) throws IOException {

        this.type = SESSION_REQUEST;
        this.calledName = new Name(config, calledName);
        this.callingName = new Name(config, callingName);
    }


    @Override
    int writeTrailerWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        dstIndex += this.calledName.writeWireFormat(dst, dstIndex);
        dstIndex += this.callingName.writeWireFormat(dst, dstIndex);

        }
        int t = buffer[bufferIndex] & 0xFF;
        return t;
    }

    int type, length;

    public int writeWireFormat( byte[] dst, int dstIndex ) {
        length = writeTrailerWireFormat( dst, dstIndex + HEADER_LENGTH );
        writeHeaderWireFormat( dst, dstIndex );
        return HEADER_LENGTH + length;
    }

    private NbtAddress retargetAddress;
    private int retargetPort;

    SessionRetargetResponsePacket() {
        type = SESSION_RETARGET_RESPONSE;
        length = 6;
    }

    int writeTrailerWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readTrailerWireFormat( InputStream in,
                            byte[] buffer,
                            int bufferIndex )

    }
    public SessionRequestPacket( Name calledName, Name callingName ) {
        type = SESSION_REQUEST;
        this.calledName = calledName;
        this.callingName = callingName;
    }
    int writeTrailerWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        dstIndex += calledName.writeWireFormat( dst, dstIndex );
        dstIndex += callingName.writeWireFormat( dst, dstIndex );