public virtual Task Start(IConnection connection, string connectionData, CancellationToken disconnectToken)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
_initializeHandler = new TransportInitializationHandler(connection.TransportConnectTimeout, disconnectToken);
// Tie into the OnFailure event so that we can stop the transport silently.
_initializeHandler.OnFailure += () =>
{
Dispose();
};
_disconnectToken = disconnectToken;
_connectionInfo = new WebSocketConnectionInfo(connection, connectionData);
// We don't need to await this task
PerformConnect().ContinueWith(task =>
{
if (task.IsFaulted)
{
_initializeHandler.Fail(task.Exception);
}
else if (task.IsCanceled)
{
_initializeHandler.Fail();
}
},
TaskContinuationOptions.NotOnRanToCompletion);
return(_initializeHandler.Task);
}
// internal for testing
protected internal void TransportFailed(Exception ex)
{
// will be no-op if handler already finished (either succeeded or failed)
if (ex == null)
{
_initializationHandler.Fail();
}
else
{
_initializationHandler.Fail(ex);
}
}
