/// <summary>
/// Unsubsctibes to presence events for a channel.
/// </summary>
/// <param name="key">The key for the channel.</param>
/// <param name="channel">The name of the channel.</param>
public void PresenceUnsubscribe(string key, string channel)
{
this.PresenceTrie.UnregisterHandler(channel);
var request = new PresenceRequest();
request.Key = key;
request.Channel = channel;
request.Status = false;
request.Changes = false;
this.Publish("emitter/", "presence", Encoding.UTF8.GetBytes(request.ToJson()));
}
/// <summary>
/// Subscribes to presence events. Optionaly requests a status of the channel.
/// </summary>
/// <param name="key">The key for the channel</param>
/// <param name="channel">The name of the channel</param>
/// <param name="status">Whether to request a status of the channel.</param>
/// <param name="optionalHandler">A specific handler to receive presence events for this channel.</param>
public void PresenceSubscribe(string key, string channel, bool status, PresenceHandler optionalHandler = null)
{
if (optionalHandler != null)
{
this.PresenceTrie.RegisterHandler(channel, optionalHandler);
}
var request = new PresenceRequest();
request.Key = key;
request.Channel = channel;
request.Status = status;
request.Changes = true;
this.Publish("emitter/", "presence", Encoding.UTF8.GetBytes(request.ToJson()));
}