public static async Task Main(string[] args)
{
// Create and start receive channel
var passiveTcpChannel = new MessageChannel(
new TcpPassiveByteStreamHandlerSettings(IPAddress.Loopback, 12000),
new EndSymbolsMessageRecognizerSettings(Encoding.UTF8, "##"),
(message) =>
{
Console.WriteLine($"Received message on passive channel: {message}");
});
await passiveTcpChannel.StartAsync();
// Create and start send channel
var activeTcpChannel = new MessageChannel(
new TcpActiveByteStreamHandlerSettings(IPAddress.Loopback, 12000),
new EndSymbolsMessageRecognizerSettings(Encoding.UTF8, "##"),
(message) =>
{
Console.WriteLine($"Received message on active channel: {message}");
});
await activeTcpChannel.StartAsync();
// Wait until both channels are connected
while (passiveTcpChannel.State != ConnectionState.Connected)
{
await Task.Delay(500);
}
// Send some messages (active -> passive)
await activeTcpChannel.SendAsync("Message 1 from active to passive...");
await activeTcpChannel.SendAsync("Message 2 from active to passive...");
await activeTcpChannel.SendAsync("Message 3 from active to passive...");
// Send some messages (passive -> active)
await passiveTcpChannel.SendAsync("Message 1 from active to passive...");
await passiveTcpChannel.SendAsync("Message 2 from active to passive...");
await passiveTcpChannel.SendAsync("Message 3 from active to passive...");
// Wait
Console.ReadLine();
// Stop both channels
await activeTcpChannel.StopAsync();
await passiveTcpChannel.StopAsync();
}
public async Task Check_SimpleUdpConnection()
{
var testingPort1 = TestUtility.GetFreeTcpPort();
var testingPort2 = TestUtility.GetFreeTcpPort();
var receiveTaskOnPassiveChannel = new TaskCompletionSource <string>();
var receiveTaskOnActiveChannel = new TaskCompletionSource <string>();
// Define channels
var passiveChannel = new MessageChannel(
new UdpByteStreamHandlerSettings(testingPort1, IPAddress.Loopback, testingPort2),
new DefaultMessageRecognizerSettings(Encoding.UTF8),
(msg) =>
{
receiveTaskOnPassiveChannel.SetResult(msg.ToString());
msg.ReturnToPool();
});
var activeChannel = new MessageChannel(
new UdpByteStreamHandlerSettings(testingPort2, IPAddress.Loopback, testingPort1),
new DefaultMessageRecognizerSettings(Encoding.UTF8),
(msg) =>
{
receiveTaskOnActiveChannel.SetResult(msg.ToString());
msg.ReturnToPool();
});
try
{
// Start both channels
await Task.WhenAll(
passiveChannel.StartAsync(),
activeChannel.StartAsync());
// Wait for connection
var timeoutTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(5.0));
await Task.WhenAll(
passiveChannel.WaitForConnectionAsync(timeoutTokenSource.Token),
activeChannel.WaitForConnectionAsync(timeoutTokenSource.Token));
Assert.AreEqual(ConnectionState.Connected, passiveChannel.State, $"Unable to connect on port {testingPort2}");
Assert.AreEqual(ConnectionState.Connected, activeChannel.State, $"Unable to connect on port {testingPort1}");
// Send/Receive some messages in both directions
await passiveChannel.SendAsync("Message from passive endpoint");
await activeChannel.SendAsync("Message from active endpoint");
// Check for received messages
var receivedOnPassiveChannel = await receiveTaskOnPassiveChannel.Task;
var receivedOnActiveChannel = await receiveTaskOnActiveChannel.Task;
Assert.IsTrue(receivedOnPassiveChannel == "Message from active endpoint");
Assert.IsTrue(receivedOnActiveChannel == "Message from passive endpoint");
}
finally
{
await Task.WhenAll(
passiveChannel.StopAsync(),
activeChannel.StopAsync());
}
}
public async Task Check_SerialConnection_Send()
{
var encoding = Encoding.UTF8;
// Fake serial port api and listen for Write calls
var receivedString = string.Empty;
SerialPortByteStreamHandler.SerialPortFactory = () =>
{
var isOpened = false;
var fakedSerialPort = A.Fake <ISerialPort>();
A.CallTo(() => fakedSerialPort.IsOpen).ReturnsLazily(call => isOpened);
A.CallTo(() => fakedSerialPort.Open()).Invokes(call => isOpened = true);
A.CallTo(() => fakedSerialPort.Close()).Invokes(call => isOpened = false);
A.CallTo(fakedSerialPort)
.Where(call => call.Method.Name == nameof(ISerialPort.Write))
.Invokes(call =>
{
var buffer = (byte[])call.Arguments[0] !;
var offset = (int)call.Arguments[1] !;
var count = (int)call.Arguments[2] !;
receivedString = encoding.GetString(buffer, offset, count);
});
return(fakedSerialPort);
};
// Define channels
var serialChannel = new MessageChannel(
new SerialPortByteStreamHandlerSettings("COM1"),
new StartAndEndSymbolsRecognizerSettings(encoding, "<", ">"));
try
{
// Start both channels
await serialChannel.StartAsync();
// Wait for connection
var timeoutTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(5.0));
await serialChannel.WaitForConnectionAsync(timeoutTokenSource.Token);
Assert.AreEqual(serialChannel.State, ConnectionState.Connected);
// Send/Receive some messages in both directions
await serialChannel.SendAsync("Message sent through serial channel");
// Check for written message
Assert.AreEqual(receivedString, "<Message sent through serial channel>");
}
finally
{
await serialChannel.StopAsync();
}
}
public async Task SendMessageAsync(string message)
{
if (await _messageChannel.SendAsync(new Message(message)))
{
var newLoggingMessage = new LoggingMessage(
DateTime.UtcNow, LoggingMessageType.Info, "OUT", message, null);
this.LogTo(_syncContext, newLoggingMessage, this.DetailLogging);
this.LogTo(_syncContext, newLoggingMessage, this.Messages);
}
}
static void Main(string[] args)
{
log4net.Config.BasicConfigurator.Configure();
Tracer.Initialize(new TracerManager());
AppDomain.CurrentDomain.UnhandledException += (s, e) => Tracer.Get<Client>().Error(e.ExceptionObject);
TaskScheduler.UnobservedTaskException += (s, e) => Tracer.Get<Client>().Error(e.Exception);
try
{
var ipPort = ServiceDiscovery.DiscoverBroker();
var host = ipPort.Ip;
var port = ipPort.Port;
//var host = "localhost";
//var port = 1055;
//if (args.Length > 0)
// host = args[0];
//if (args.Length > 1)
// port = int.Parse(args[1]);
var client = new ReactiveClient(host, port);
var binary = new BinaryChannel(client);
var channel = new MessageChannel(binary);
channel.Receiver.SubscribeOn(TaskPoolScheduler.Default).Subscribe(
s =>
{
Console.WriteLine("Received: {0}", s);
// Report state change immediately.
var topic = s as Topic;
if (topic != null)
{
Console.WriteLine("Sending back to cause state change: {0}", topic);
channel.SendAsync(topic);
}
},
e => Console.WriteLine(e),
() => Console.WriteLine("Socket receiver completed"));
Console.WriteLine("To connect, enter: connect [device id] [device type]");
Console.WriteLine("To send message once connected: [topic] = [value], where [value] can be:");
Console.WriteLine(" * a boolean (words 'true' or 'false' without quotes)");
Console.WriteLine(" * a number (a numberic value followed by the suffic 'f' denoting a floating point number)");
Console.WriteLine(" * a string (without quotes)");
Console.WriteLine("If no value is provided after the topic, then it's assumed to be a void topic (no payload needed)");
string line = null;
while ((line = Console.ReadLine()) != "")
{
if (line.StartsWith("connect "))
{
var connectInfo = line.Substring(8).Split(' ');
var deviceId = connectInfo[0];
var deviceType = connectInfo[1];
Console.WriteLine("Connecting...");
try
{
client.ConnectAsync().Wait();
channel.SendAsync(new Connect(deviceId, deviceType)).Wait();
Console.WriteLine("Connected!");
}
catch (Exception e)
{
Console.WriteLine("Failed to connect: {0}", e);
}
}
else if (line == "disconnect")
{
if (client.IsConnected)
{
Console.WriteLine("Disconnecting...");
try
{
channel.SendAsync(new Disconnect()).Wait();
client.Disconnect();
Console.WriteLine("Disconnected!");
}
catch (Exception e)
{
Console.WriteLine("Failed to disconnect: {0}", e);
}
}
else
{
Console.WriteLine("Client was already disconnected.");
}
}
else if (line == "r")
{
Console.WriteLine("Reconnecting...");
client.Disconnect();
client.ConnectAsync().Wait();
Console.WriteLine("IsConnected = {0}. Re-send Connect message.", client.IsConnected);
}
else
{
Console.WriteLine("Sending...");
if (line.IndexOf('=') == -1)
{
channel.SendAsync(new Topic(line.Trim()));
}
else
{
var parts = line.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries)
.Select(s => s.Trim()).ToArray();
if (parts[1].Equals("true", StringComparison.OrdinalIgnoreCase))
channel.SendAsync(new Topic(parts[0], Payload.ToBytes(true)));
else if (parts[1].Equals("false", StringComparison.OrdinalIgnoreCase))
channel.SendAsync(new Topic(parts[0], Payload.ToBytes(false)));
else if (parts[1].EndsWith("f"))
channel.SendAsync(new Topic(parts[0], Payload.ToBytes(float.Parse(parts[1].Substring(0, parts[1].Length - 1)))));
else
channel.SendAsync(new Topic(parts[0], Payload.ToBytes(parts[1])));
}
}
}
}
catch (Exception e)
{
Console.WriteLine("Failed: {0}", e);
}
}
