krlito / stompnet Goto Github PK

We have a Websocket Stomp server built in Java (Spring based) hosted in localhost with 8080 port
We are facing an connectivity issue while using Stompclient library and getting following error -

Error list-
• Message = "This protocol version is not supported."
• DualMode = 'tcpClient.Client.DualMode' threw an exception of type 'System.NotSupportedException'
• tcpClient.Client.EnableBroadcast' threw an exception of type 'System.Net.Sockets.SocketException'

• An unknown, invalid, or unsupported option or level was specified in a getsockopt or setsockopt call

• base = {"This stream does not support seek operations."}

• HTTP/1.1 400 Bad Request' is not a valid STOMP server command.

Can anyone please suggest if you have successfully created / used any C# client library with a spring based STOMP over Web Socket server.

Please let us know if you need more details.
Appreciate your quick response..

Thanks
Vanita

Rather than a TCP connection, is there a way we can connect through a websocket connection?
Thanks
Jimmy

Hi, your lib works like a charm and the pull request from @Sbou too, plz accept the heartbeat, and publish a .net standard 2 on nuget, to run it in .net standard you don't need to change any line, your code is full compatible with it.

I faced with a problem, that when the exception is thrown in WriteAsync method of the IStompFrameWriter instance then the TaskCancellationSource returned by SerialTaskExecutor has always state of successfull completion of the queued task. By analyzing and debugging the extension method TrySet of the class TaskCompletionSourceExtensions I'm found what the faulted awaited task, has also flag IsCompleted, so your code is never set exception in the TaskCancellationSource.

So the correct code is:

/// <summary>
/// TaskCompletionSource extensions.
/// </summary>
internal static class TaskCompletionSourceExtensions
{
	public static void TrySet<T>(this TaskCompletionSource<T> tcs, Task task) where T : class 
	{
		if (task.IsFaulted)
		{
			tcs.TrySetException(task.Exception.InnerExceptions);
		}
		else if (task.IsCanceled)
		{
			tcs.TrySetCanceled();
		}
		else
		{
			Task<T> taskWithResult = task as Task<T>;
			tcs.TrySetResult(taskWithResult == null ? null : taskWithResult.Result);
		}
	}
}

when i try to connect rabbitmq's stomp, the problem occur "HTTP/1.1 400 Bad Request' is not a valid STOMP server command".