public async void ServerHandlesRequestFire() { // Arrange var serialPort = new FakeSerialPort(); var server = new ModbusRtuServer(unitIdentifier: 1); server.Start(serialPort); var client = new ModbusRtuClient(); client.Connect(serialPort); await Task.Run(() => { var data = Enumerable.Range(0, 20).Select(i => (float)i).ToArray(); var sw = Stopwatch.StartNew(); var iterations = 10000; for (int i = 0; i < iterations; i++) { client.WriteMultipleRegisters(0, 0, data); } var timePerRequest = sw.Elapsed.TotalMilliseconds / iterations; _logger.WriteLine($"Time per request: {timePerRequest * 1000:F0} us. Frequency: {1 / timePerRequest * 1000:F0} requests per second."); client.Close(); }); server.Stop(); // Assert }
static void DoClientWork(ModbusRtuClient client, ILogger logger) { Span <byte> data; var sleepTime = TimeSpan.FromMilliseconds(100); var unitIdentifier = (byte)0x01; var startingAddress = (ushort)0; var registerAddress = (ushort)0; // ReadHoldingRegisters = 0x03, // FC03 data = client.ReadHoldingRegisters(unitIdentifier, startingAddress, 10); logger.LogInformation("FC03 - ReadHoldingRegisters: Done"); Thread.Sleep(sleepTime); // WriteMultipleRegisters = 0x10, // FC16 client.WriteMultipleRegisters(unitIdentifier, startingAddress, new byte[] { 10, 00, 20, 00, 30, 00, 255, 00, 255, 01 }); logger.LogInformation("FC16 - WriteMultipleRegisters: Done"); Thread.Sleep(sleepTime); // ReadCoils = 0x01, // FC01 data = client.ReadCoils(unitIdentifier, startingAddress, 10); logger.LogInformation("FC01 - ReadCoils: Done"); Thread.Sleep(sleepTime); // ReadDiscreteInputs = 0x02, // FC02 data = client.ReadDiscreteInputs(unitIdentifier, startingAddress, 10); logger.LogInformation("FC02 - ReadDiscreteInputs: Done"); Thread.Sleep(sleepTime); // ReadInputRegisters = 0x04, // FC04 data = client.ReadInputRegisters(unitIdentifier, startingAddress, 10); logger.LogInformation("FC04 - ReadInputRegisters: Done"); Thread.Sleep(sleepTime); // WriteSingleCoil = 0x05, // FC05 client.WriteSingleCoil(unitIdentifier, registerAddress, true); logger.LogInformation("FC05 - WriteSingleCoil: Done"); Thread.Sleep(sleepTime); // WriteSingleRegister = 0x06, // FC06 client.WriteSingleRegister(unitIdentifier, registerAddress, new byte[] { 65, 67 }); logger.LogInformation("FC06 - WriteSingleRegister: Done"); }