示例#1
0
        private void _enqueueGetComponentRuntimeInfo(object state)
        {
            SocketHandlerAsyncResult asyncResult = (SocketHandlerAsyncResult)state;

            try
            {
                asyncResult.RuntimeInfo = _relayNode.GetComponentsRuntimeInfo();
            }
            catch (Exception exc)
            {
                asyncResult.Exception = exc;
            }
            const bool wasSynchronous = false;

            asyncResult.CompleteOperation(wasSynchronous);
        }
        /// <summary>
        /// Handles a new message from a <see cref="MemoryStream"/> and if appropriate translates
        /// and passes the message to the contained <see cref="RelayNode"/>.
        /// </summary>
        /// <param name="commandID"></param>
        /// <param name="messageStream"></param>
        /// <param name="messageLength"></param>
        /// <returns></returns>
        public MemoryStream HandleMessage(int commandID, MemoryStream messageStream, int messageLength)
        {
            SocketCommand       command     = SocketCommand.Unknown;
            RelayMessage        message     = null;
            List <RelayMessage> messages    = null;
            MemoryStream        replyStream = null;

            try
            {
                command = (SocketCommand)commandID;
            }
            catch
            {
                if (RelayNode.log.IsErrorEnabled)
                {
                    RelayNode.log.ErrorFormat("Unrecognized commandID {0} sent to Relay Service via socket transport", commandID);
                }
            }

            Stream reply;

            switch (command)
            {
            case SocketCommand.Unknown:
                if (RelayNode.log.IsErrorEnabled)
                {
                    RelayNode.log.Error("SocketCommand.Unknown received");
                }
                break;

            case SocketCommand.HandleOneWayMessage:
                message = RelayMessageFormatter.ReadRelayMessage(messageStream);
                _dataHandler.HandleMessage(message);
                break;

            case SocketCommand.HandleSyncMessage:
                message = RelayMessageFormatter.ReadRelayMessage(messageStream);
                message.ResultOutcome = RelayOutcome.Received;
                _dataHandler.HandleMessage(message);
                reply = RelayMessageFormatter.WriteRelayMessage(message);
                if (reply != null && reply != Stream.Null)
                {
                    replyStream = (MemoryStream)reply;
                }
                break;

            case SocketCommand.HandleOneWayMessages:
                messages = RelayMessageFormatter.ReadRelayMessageList(messageStream);
                _dataHandler.HandleMessages(messages);
                break;

            case SocketCommand.HandleSyncMessages:
                messages = RelayMessageFormatter.ReadRelayMessageList(messageStream, msg => msg.ResultOutcome = RelayOutcome.Received);
                _dataHandler.HandleMessages(messages);
                reply = RelayMessageFormatter.WriteRelayMessageList(messages);
                if (reply != null && reply != Stream.Null)
                {
                    replyStream = (MemoryStream)reply;
                }
                break;

            case SocketCommand.GetRuntimeInfo:
                ComponentRuntimeInfo[] runtimeInfo = _relayNode.GetComponentsRuntimeInfo();
                reply = RelayMessageFormatter.WriteRuntimeInfo(runtimeInfo);
                if (reply != null && reply != Stream.Null)
                {
                    replyStream = (MemoryStream)reply;
                }
                break;

            default:
                if (RelayNode.log.IsErrorEnabled)
                {
                    RelayNode.log.ErrorFormat("Unhandled command {0} sent to Relay Service via socket transport", command);
                }
                break;
            }


            return(replyStream);
        }