Opc.Ua.Bindings.TcpServerChannel.HandleIncomingMessage C# (CSharp) Method

        protected override bool HandleIncomingMessage(uint messageType, ArraySegment<byte> messageChunk)
        {
            lock (DataLock)
            {            
                m_responseRequired = true;
                
                try
                {
                    // process a response.
                    if (TcpMessageType.IsType(messageType, TcpMessageType.Message))
                    {
                        // Utils.Trace("Channel {0}: ProcessRequestMessage", ChannelId);
                        return ProcessRequestMessage(messageType, messageChunk);
                    }

                    // check for hello.
                    if (messageType == TcpMessageType.Hello)
                    {
                        // Utils.Trace("Channel {0}: ProcessHelloMessage", ChannelId);
                        return ProcessHelloMessage(messageType, messageChunk);
                    }

                    // process open secure channel repsonse.
                    if (TcpMessageType.IsType(messageType, TcpMessageType.Open))
                    {
                        // Utils.Trace("Channel {0}: ProcessOpenSecureChannelRequest", ChannelId);
                        return ProcessOpenSecureChannelRequest(messageType, messageChunk);
                    }            
                                                 
                    // process close secure channel response.
                    if (TcpMessageType.IsType(messageType, TcpMessageType.Close))
                    {
                        // Utils.Trace("Channel {0}: ProcessCloseSecureChannelRequest", ChannelId);
                        return ProcessCloseSecureChannelRequest(messageType, messageChunk);
                    }

                    // invalid message type - must close socket and reconnect.
                    ForceChannelFault(
                        StatusCodes.BadTcpMessageTypeInvalid, 
                        "The server does not recognize the message type: {0:X8}.", 
                        messageType);

                    return false;
                }
                finally
                {
                    m_responseRequired = false;
                }
            }
        }
        #endregion