private void PerformSubscription(bool Req, IqEventArgs e, string Id, Dictionary <string, FieldSubscriptionRule> FieldNames,
ThingReference[] Nodes, FieldType FieldTypes, string ServiceToken, string DeviceToken, string UserToken,
Duration MaxAge, Duration MinInterval, Duration MaxInterval)
{
DateTime Now = DateTime.Now;
Subscription Subscription;
if (Req)
{
string Key = e.From + " " + Id;
string[] Fields2;
if (FieldNames == null)
{
Fields2 = null;
}
else
{
Fields2 = new string[FieldNames.Count];
FieldNames.Keys.CopyTo(Fields2, 0);
}
SensorDataServerRequest Request = new SensorDataServerRequest(Id, this, e.From, e.From,
Nodes, FieldTypes, Fields2, DateTime.MinValue, DateTime.MaxValue, DateTime.MinValue,
ServiceToken, DeviceToken, UserToken);
bool NewRequest;
lock (this.requests)
{
if (NewRequest = !this.requests.ContainsKey(Key))
{
this.requests[Key] = Request;
}
}
if (Request.When > Now)
{
e.IqResult("<accepted xmlns='" + SensorClient.NamespaceSensorData + "' id='" + XML.Encode(Id) + "' queued='true'/>");
Request.When = this.scheduler.Add(Request.When, this.StartReadout, Request);
}
else
{
e.IqResult("<accepted xmlns='" + SensorClient.NamespaceSensorData + "' id='" + XML.Encode(Id) + "'/>");
this.PerformReadout(Request);
}
}
if (Nodes == null)
{
Nodes = new ThingReference[] { ThingReference.Empty }
}
;
lock (this.subscriptionsByThing)
{
Subscription = new Subscription(Id, e.From, Nodes, FieldNames, FieldTypes, MaxAge, MinInterval, MaxInterval,
ServiceToken, DeviceToken, UserToken);
foreach (ThingReference Thing in Nodes)
{
if (!subscriptionsByThing.TryGetValue(Thing, out LinkedList <Subscription> Subscriptions))
{
Subscriptions = new LinkedList <Subscription>();
subscriptionsByThing[Thing] = Subscriptions;
}
LinkedListNode <Subscription> Next, Loop = Subscriptions.First;
while (Loop != null)
{
Next = Loop.Next;
if (Loop.Value.From == e.From)
{
if (Loop.Value.RemoveNode(Thing))
{
this.RemoveSubscriptionLocked(e.From, Loop.Value.Id, false);
}
Subscriptions.Remove(Loop);
break;
}
Loop = Next;
}
Subscriptions.AddLast(Subscription);
}
if (!subscriptionsByJID.TryGetValue(e.From, out Dictionary <string, Subscription> Subscriptions2))
{
Subscriptions2 = new Dictionary <string, Subscription>();
subscriptionsByJID[e.From] = Subscriptions2;
}
Subscriptions2[Subscription.Id] = Subscription;
}
if (!Req)
{
e.IqResult("<accepted xmlns='" + SensorClient.NamespaceSensorData + "' id='" + XML.Encode(Id) + "'/>");
}
this.UpdateSubscriptionTimers(Now, Subscription);
}