public Task <INetChannel> Connect(IPEndPoint endPoint, CancellationToken cancellationToken)
{
//check if we are already connected to this endpoint
foreach (var pair in ChannelsById)
{
if (endPoint.Equals(pair.Value.TransportChannel.EndPoint))
{
return(Task.FromResult((INetChannel)pair.Value));
}
}
return(_pendingConnections.AddOrUpdate(endPoint,
(key) =>
{
var val = new PendingConnection(key);
_logger.ConnectingTo(this, endPoint);
Net.Connect(endPoint);
var expiration = Task.Delay(TimeSpan.FromSeconds(_config.ConnectTimeoutSec), val.Expiration.Token);
expiration.ContinueWith(task =>
{
if (!task.IsCanceled)
{
_logger.ConnectionHasTimedOut(this, endPoint);
PendingConnection cont;
if (_pendingConnections.TryRemove(key, out cont))
{
cont.TCS.SetException(new ConnectionFailedException(key));
}
}
}, cancellationToken);
return val;
},
(key, val) => val
).TCS.Task);
}
