示例#1
0
        public static async Task <Object> SendRequestAsync(Object subrequest, RequestType type, ResponseType resptype)
        {
            if (!client.Connected)
            {
                return(null);
            }
            if (connectionTimeout.Elapsed.TotalSeconds > 300)
            {
                Disconnect();
                await Connect();
            }
            Request request = new Request()
            {
                Username = SettingsManager.Username, Content = subrequest, SessionId = SettingsManager.AuthKey, Type = type
            };
            string message = JsonConvert.SerializeObject(request);

            try
            {
                NetworkStream serverStream = client.GetStream();

                byte[] buffer = Encoding.UTF8.GetBytes(message);
                serverStream.Write(buffer, 0, buffer.Length);
            }
            catch (Exception)
            {
                AppNotificationManager.PushMessage(new AppNotification()
                {
                    Message = "Connection Error. Reconnect."
                });
            }

            return(await GetResponse(resptype));
        }
示例#2
0
        public async static Task <bool> Connect()
        {
            try
            {
                client = new TcpClient();
                await client.ConnectAsync(serverAddress, portAddress);

                connectionTimeout.Start();
            }
            catch (Exception)
            {
            }
            AppNotificationManager.PushMessage(new AppNotification()
            {
                Message = String.Format("Server Connected : {0} ", client.Connected)
            });
            return(client.Connected);
        }
示例#3
0
        private static async Task <Object> GetResponse(ResponseType resptype, bool useDefault = true)
        {
            TcpClient server = client;

            if (!useDefault)
            {
                server = _backupClient;
            }
            string message = "";

            try
            {
                var serverStream = server.GetStream();
                serverStream.ReadTimeout = 10000;
                byte[] receiveBuffer = new byte[65536];
                await serverStream.ReadAsync(receiveBuffer, 0, 65535);

                message = Encoding.UTF8.GetString(receiveBuffer).Trim('\0');
                Response resp = JsonConvert.DeserializeObject <Response>(message);
                if (resp.Type == resptype)
                {
                    connectionTimeout.Restart();
                    return(resp.Content);
                }
                else
                {
                    return(null);
                }
            }
            catch (Exception)
            {
                if (useDefault) //sends message in case default connection is not responding <- exception to upload connection.
                {
                    AppNotificationManager.PushMessage(new AppNotification()
                    {
                        Message = "No Response From Server."
                    });
                }
            }
            return(null);
        }