public ServerPacket(byte service, int method, short requestId, ulong listenerId)
{
m_memStream = new MemoryStream();
m_stream = CodedOutputStream.CreateInstance(m_memStream);
// Write header
m_stream.WriteRawByte(service);
m_stream.WriteInt32NoTag(method);
m_stream.WriteInt16NoTag(requestId);
Console.WriteLine("OUT: service {0}, method {1}, requestId {2}, listenerId {3}", service, method, requestId, listenerId);
if (service != 0xFE)
m_stream.WriteRawVarint64(listenerId);
}