Exemplo n.º 1
0
        public async Task Test_Good_Path(DaytimeClient_Rfc_867.ProtocolType protocol)
        {
            var host          = new HostName("localhost");
            var serverOptions = new DaytimeServer_Rfc_867.ServerOptions()
            {
                LoggingLevel = DaytimeServer_Rfc_867.ServerOptions.Verbosity.None
            };
            var clientOptions = new DaytimeClient_Rfc_867.ClientOptions()
            {
                LoggingLevel = DaytimeClient_Rfc_867.ClientOptions.Verbosity.None
            };


            using (var server = new DaytimeServer_Rfc_867(serverOptions))
            {
                bool serverOk = await server.StartAsync();

                if (!serverOk)
                {
                    Infrastructure.Error($"unable to start server");
                    return;
                }

                var client = new DaytimeClient_Rfc_867(clientOptions);
                var result = await client.WriteAsync(host, serverOptions.Service, protocol, "");

                if (!Infrastructure.IfTrueError(!result.Succeeded, "!result.Succeeded"))
                {
                    Infrastructure.IfTrueError(result.Value == null, "result.Value is null");
                    Infrastructure.IfTrueError(result.Value != null && (result.Value.Length < 10 || result.Value.Length > 60), $"result.Value is weird size ({result.Value})");
                }
                Infrastructure.IfTrueError(result.TimeInSeconds < 0, $"result.TimeInSeconds too small ({result.TimeInSeconds})");
                Infrastructure.IfTrueError(result.TimeInSeconds > 1.50, $"result.TimeInSeconds too large ({result.TimeInSeconds})");
            }
        }
Exemplo n.º 2
0
        public async Task Test_Bad_Service(DaytimeClient_Rfc_867.ProtocolType protocol)
        {
            var host          = new HostName("localhost");
            var serverOptions = new DaytimeServer_Rfc_867.ServerOptions()
            {
                LoggingLevel = DaytimeServer_Rfc_867.ServerOptions.Verbosity.None
            };
            var clientOptions = new DaytimeClient_Rfc_867.ClientOptions()
            {
                LoggingLevel = DaytimeClient_Rfc_867.ClientOptions.Verbosity.None
            };

            using (var server = new DaytimeServer_Rfc_867(serverOptions))
            {
                bool serverOk = await server.StartAsync();

                if (!serverOk)
                {
                    Infrastructure.Error($"unable to start server");
                    return;
                }

                var client = new DaytimeClient_Rfc_867(clientOptions);
                var result = await client.WriteAsync(host, "79", protocol, "");

                Infrastructure.IfTrueError(result.Succeeded, "result.Succeeded ");
                Infrastructure.IfTrueError(!String.IsNullOrEmpty(result.Value), "result.Value is not null");
                // ConnectionRefused is for TCP
                // ConnectionResetByPeer is for UDP
                Infrastructure.IfTrueError(result.Error != SocketErrorStatus.ConnectionRefused && result.Error != SocketErrorStatus.ConnectionResetByPeer, $"result.Error is wrong ({result.Error})");
            }
        }
Exemplo n.º 3
0
        private void OnStartServers(object sender, RoutedEventArgs e)
        {
            var serverOptions = new DaytimeServer_Rfc_867.ServerOptions()
            {
                Service = uiService.Text
            };

            Server           = new DaytimeServer_Rfc_867(serverOptions);
            Server.LogEvent += Server_LogEvent;
            ServerTask       = Server.StartAsync();
        }
Exemplo n.º 4
0
        /// <summary>
        /// System test, not a unit tests. Creates a server, pumps a bunch of requests at it,
        /// and verifies that everything worked.
        /// </summary>
        /// <returns></returns>
        public async Task Test_Stress(DaytimeClient_Rfc_867.ProtocolType protocol)
        {
            string pname = protocol.ToString();

            const int NLOOP  = 10;
            const int NBUNCH = 50;

            const double ALLOWED_TIME       = 20.0;                       // Normally we expect everything to be fast. No so much for a stress test!
            const int    ALLOWED_CONN_RESET = (NLOOP * NBUNCH) * 5 / 100; // Allow 5% conn reset

            int NBytesWrite   = 0;
            int NConnReset    = 0;
            var host          = new HostName("localhost");
            var serverOptions = new DaytimeServer_Rfc_867.ServerOptions()
            {
                LoggingLevel = DaytimeServer_Rfc_867.ServerOptions.Verbosity.None,
            };
            var clientOptions = new DaytimeClient_Rfc_867.ClientOptions()
            {
                LoggingLevel = DaytimeClient_Rfc_867.ClientOptions.Verbosity.None,
            };

            using (var server = new DaytimeServer_Rfc_867(serverOptions))
            {
                bool serverOk = await server.StartAsync();

                if (!serverOk)
                {
                    Infrastructure.Error($"Client: Stress: {pname} unable to start server");
                    return;
                }

                var start  = DateTimeOffset.UtcNow;
                var client = new DaytimeClient_Rfc_867(clientOptions);
                for (int i = 0; i < NLOOP; i++)
                {
                    if (i % 100 == 0 && i > 0)
                    {
                        Infrastructure.Log($"Client: Stress: {pname} starting loop {i} of {NLOOP}");
                    }
                    var allTasks = new Task <DaytimeClient_Rfc_867.DaytimeResult> [NBUNCH];
                    for (int j = 0; j < allTasks.Length; j++)
                    {
                        var send = $"ABC-Loop {i} Item {j}";
                        NBytesWrite += send.Length;
                        allTasks[j]  = client.WriteAsync(host, serverOptions.Service, protocol, send);
                    }
                    await Task.WhenAll(allTasks);

                    for (int j = 0; j < allTasks.Length; j++)
                    {
                        var result = allTasks[j].Result;
                        if (!result.Succeeded && result.Error == SocketErrorStatus.ConnectionResetByPeer)
                        {
                            // Connection reset by peer is an error only if we get a bunch of them.
                            NConnReset++;
                            Infrastructure.IfTrueError(NConnReset > ALLOWED_CONN_RESET, $"Too many connection resets {NConnReset}");
                        }
                        else if (!Infrastructure.IfTrueError(!result.Succeeded, $"!result.Succeeded with error {result.Error.ToString()} for {pname}"))
                        {
                            Infrastructure.IfTrueError(result.Value == null, "result.Value is null");
                            if (result.Value != null && (result.Value.Length < 10 || result.Value.Length > 60))
                            {
                                ;
                            }
                            Infrastructure.IfTrueError(result.Value != null && (result.Value.Length < 10 || result.Value.Length > 60), $"result.Value is weird size ({result.Value.Length}) for {pname}");
                        }
                        Infrastructure.IfTrueError(result.TimeInSeconds < 0, $"result.TimeInSeconds too small {result.TimeInSeconds} for {pname}");
                        Infrastructure.IfTrueError(result.TimeInSeconds > ALLOWED_TIME, $"result.TimeInSeconds too large {result.TimeInSeconds} for {pname}");
                    }

                    await Task.Delay(300); //TODO: pause just to make the test runs easier to figure out
                }
                // timing data
                var    delta       = DateTimeOffset.UtcNow.Subtract(start).TotalSeconds;
                double timePerCall = delta / (double)(NLOOP * NBUNCH);
                Infrastructure.Log($"Stress test average time: {NLOOP} {NBUNCH} {timePerCall} for {pname}");


                // How's the server doing?
                const int ExpectedCount = NLOOP * NBUNCH;
                Infrastructure.IfTrueError(server.Stats.NConnections != ExpectedCount, $"Server got {server.Stats.NConnections} connections but expected {ExpectedCount} for {pname}");
                Infrastructure.IfTrueError(server.Stats.NResponses != ExpectedCount, $"Server sent {server.Stats.NResponses} responses but expected {ExpectedCount} for {pname}");

                // Why is the expected not equal to the NBytesSent? Because TCP has a weird timing thing:
                // the server has to close down reading from the client relatively quickly and can't waste
                // time for the client to send bytes that probably won't come.
                var expectedMinBytes = protocol == DaytimeClient_Rfc_867.ProtocolType.Udp ? NBytesWrite : NBytesWrite / 4;
                Infrastructure.IfTrueError(server.Stats.NBytesRead > NBytesWrite, $"Server got {server.Stats.NBytesRead} bytes but expected {NBytesWrite} for {pname}");
                Infrastructure.IfTrueError(server.Stats.NBytesRead < expectedMinBytes, $"Server got {server.Stats.NBytesRead} bytes but expected {NBytesWrite} with a minimum value of {expectedMinBytes} for {pname}");
                Infrastructure.IfTrueError(server.Stats.NExceptions != 0, $"Server got {server.Stats.NExceptions} exceptions but expected {0} for {pname}");
            }
        }