public async void CancelCurrentAction()
{
await this.semaphore.WaitAsync();
if (!this.currentTask.IsCompleted)
{
this.cancellationTokenSource.Cancel();
Logger.Trace("Cancellation requested");
}
else
{
Logger.Trace($"No cancellation - operation [{this.actionCounter}] is finished");
}
this.semaphore.Release();
}
private async Task <bool> InternalAssertConnected(CancellationToken cancellationToken)
{
if (this.client != null &&
this.wsClient != null &&
this.wsClient.IsConnected &&
!this.receiveMessagesCts.IsCancellationRequested)
{
Logger.Trace("Already connected");
return(false);
}
var retryCount = 0;
do
{
try
{
this.receiveMessagesCts.Cancel();
await this.messageLoopTask;
Logger.Trace("Message loop task finished");
this.receiveMessagesCts = new CancellationTokenSource();
this.client = new WebSocketClient(this.options);
this.wsClient = await this.client.ConnectAsync(this.Endpoint, cancellationToken);
this.messageLoopTask = Task.Run(() => ReceiveMessagesLoop(this.receiveMessagesCts.Token), cancellationToken);
Logger.Log("Connected to server");
return(true);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
Logger.Warn($"Connection failed, retry {++retryCount}/10");
Logger.Debug($"{ex}");
await Task.Delay(2000, cancellationToken);
}
} while (retryCount < 10);
throw new WebsocketConnectionFailedException();
}
public void Debug(string message, Exception error = null)
{
Logger.Trace($"{message} {error}");
}