public async Task <Message> PublishMessageToTopic(Message msg)
{
NatsClient <Message> client = new NatsClient <Message>();
await Task.Run(() => client.Publish(TopicName, msg));
return(msg);
}
public async Task PublishTest()
{
const string subject = "some_subject";
const string message = "some message";
var size = Encoding.UTF8.GetByteCount(message);
var expectedData = Encoding.UTF8.GetBytes($"PUB {subject} {size}\r\n{message}\r\n");
var mockNatsConnection = new Mock <INatsConnection>();
mockNatsConnection.Setup(x => x.OnConnect).Returns(Observable.Return(new ServerInfo()));
using (var client = new NatsClient(mockNatsConnection.Object))
{
await client.Publish(subject, message);
}
mockNatsConnection.Verify(x =>
x.Write(It.Is <byte[]>(data => expectedData.SequenceEqual(data)), It.IsAny <CancellationToken>()));
}
static async Task Main(string[] args)
{
Console.WriteLine("Hello World!");
// hit ctrl-C to close/exit
var cts = new CancellationTokenSource();
Console.CancelKeyPress += (_, e) =>
{
Console.WriteLine("cancelled...");
cts.Cancel();
e.Cancel = true;
};
var sp = ConfigureServices();
var nats = new NatsClient();
await nats.StartAsync(new IPEndPoint(IPAddress.Loopback, 4222), sp);
nats.Connect(new ConnectOperation {
Verbose = false
});
nats.Subscribe("test", msg =>
{
var text = Encoding.UTF8.GetString(msg.Data.Span);
Console.WriteLine($"OnMsg: subject:{msg.Subject} sid:{msg.Sid} replyto:{msg.ReplyTo} text:{text}");
});
while (!cts.Token.IsCancellationRequested)
{
Console.WriteLine("pub...");
nats.Publish("test", Encoding.UTF8.GetBytes("hello"));
await Task.Delay(2000);
}
Console.WriteLine("done...");
Console.ReadLine();
}
public static async Task Publish(this NatsClient @this, string subject, string data, CancellationToken cancellationToken = default(CancellationToken))
{
await @this.Publish(subject, Encoding.UTF8.GetBytes(data), cancellationToken);
}
public void SendLogyardNotification(string logyardId, string message)
{
NatsClient.Publish(string.Format("logyard.{0}.newinstance", logyardId), null, message);
}
/// <summary>
/// Sends the Staging advertise message.
/// </summary>
/// <param name="message">The message.</param>
public void SendStagingAdvertise(string message)
{
NatsClient.Publish("staging.advertise", null, message);
}
/// <summary>
/// Sends the DEA advertise message for centralized apps placement.
/// </summary>
/// <param name="message">The message.</param>
public void SendDeaAdvertise(string message)
{
NatsClient.Publish("dea.advertise", null, message);
}
/// <summary>
/// Sends the router unregister to the message bus.
/// </summary>
/// <param name="message">The message.</param>
public void SendRouterUnregister(string message)
{
NatsClient.Publish("router.unregister", null, message);
}
/// <summary>
/// Sends the droplet exited to the message bus.
/// </summary>
/// <param name="message">The message.</param>
public void SendDropletExited(string message)
{
NatsClient.Publish("droplet.exited", null, message);
Logger.Debug(Strings.SentDropletExited, message);
}
/// <summary>
/// Sends the DEA start to the message bus.
/// </summary>
/// <param name="message">The message.</param>
public void SendDeaStart(string message)
{
NatsClient.Publish("dea.start", null, message);
}
/// <summary>
/// Sends the DEA heartbeat to the message bus.
/// </summary>
/// <param name="message">The message.</param>
public void SendDeaHeartbeat(string message)
{
NatsClient.Publish("dea.heartbeat", null, message);
}