public IDistributedMessageSubscriber GetSubscriber(CancellationToken token, ILogger logger, string channelName = null)
{
var ch = channelName ?? PubChannel;
UdpVirtualSubscriber virtualSubscriber = new UdpVirtualSubscriber((s) =>
{
lock (_lock)
{
_activeSubscribers.Remove(s);
_systemLogger.Trace("UDP PubSub channel {channel} removed", s.Channel);
if (_activeSubscribers.Count == 0)
{
_portSubscriber?.Dispose();
_portSubscriber = null;
_systemLogger.Info("UDP PubSub UDP listener closed due to empty subscribers");
}
}
}, ch);
lock (_lock)
{
_activeSubscribers.Add(virtualSubscriber);
if (_portSubscriber == null)
{
_portSubscriber = new UdpPortSubscriber(_ip, _port, _systemLogger, OnUdpMessage);
}
_portSubscriber.StartIfNot();
}
return(virtualSubscriber);
}
public UdpPubSubFactory(string ip, int port, IBatchLoggerFactory logger)
{
_ip = ip;
_port = port;
_systemLogger = logger.GetSystemLogger();
_portSubscriber = new UdpPortSubscriber(_ip, port, _systemLogger, OnUdpMessage);
}