public void Unsubscribe(MqSite mqSite)
{
if (Sites.Remove(mqSite) && status == Status.Connected)
{
var msg = new MqUnsubscribe();
msg.Add(mqSite.remotePath);
Send(msg);
}
}
public void Subscribe(MqSite ms)
{
if (status == Status.Connected)
{
var msg = new MqSubscribe();
msg.Add(ms.remotePath, QoS.AtMostOnce);
Send(msg);
}
}
private void SubFunc(Perform p, SubRec sr)
{
if (p.art == Perform.Art.create)
{
return;
}
MqSite ms = _sites.FirstOrDefault(z => z.Owner == p.src);
MqClient client;
if (ms != null)
{
ms.Dispose();
_sites.Remove(ms);
}
if (p.art == Perform.Art.changedField || p.art == Perform.Art.subscribe)
{
var uri = p.src.GetField("MQTT.uri").Value as string;
if (string.IsNullOrEmpty(uri))
{
return;
}
Uri uUri;
try {
uUri = new Uri(uri, UriKind.Absolute);
}
catch (Exception ex) {
Log.Warning("{0}.MQTT.uri = {1} - {2}", p.src.path, uri, ex.Message);
return;
}
string uName, uPass;
if (!string.IsNullOrEmpty(uUri.UserInfo))
{
var uia = uUri.UserInfo.Split(':');
uName = uia[0];
uPass = uia.Length > 1 ? uia[1] : null;
}
else
{
uName = null;
uPass = null;
}
var cid = "MQTT://" + (uName == null ? string.Empty : (uName + "@")) + uUri.DnsSafeHost + (uUri.IsDefaultPort ? string.Empty : (":" + uUri.Port.ToString()));
client = _clients.FirstOrDefault(z => z.Signature == cid);
if (client == null)
{
client = new MqClient(this, uUri.DnsSafeHost, uUri.IsDefaultPort?1883:uUri.Port, uName, uPass);
_clients.Add(client);
}
_sites.Add(new MqSite(this, client, p.src, uUri));
}
}
