private void CanControlResponse(XmppClient Client, string Type, XmlNodeList Response, ref StanzaError Error, object State)
{
object[] P = (object[])State;
CanControlCallback Callback = (CanControlCallback)P [0];
object State2 = (object)P [1];
string Hash = (string)P [2];
string[] Parameters = (string[])P [3];
NodeReference[] NodeReferences = (NodeReference[])P [4];
bool CanControl = false;
string Jid = string.Empty;
XmlElement E;
if (Error != null)
{
Error = null;
}
else if (Response != null)
{
if (Hash != null)
{
this.AddToCache(Hash, Response);
}
foreach (XmlNode N in Response)
{
if (N.LocalName == "canControlResponse" && (E = N as XmlElement) != null)
{
CanControl = XmlUtilities.GetAttribute(E, "result", false);
List <NodeReference> Nodes;
List <string> ParameterNames;
ReadoutRequest.ParseNodesAndFieldNames(E, out Nodes, out ParameterNames);
if (Nodes == null)
{
NodeReferences = null;
}
else
{
NodeReferences = Nodes.ToArray();
}
if (ParameterNames == null)
{
Parameters = null;
}
else
{
Parameters = ParameterNames.ToArray();
}
break;
}
}
}
CanControlEventArgs e = new CanControlEventArgs(Jid, CanControl, Parameters, NodeReferences, State2);
if (Callback != null)
{
try
{
Callback(e);
} catch (Exception ex)
{
Log.Exception(ex);
}
}
}
/// <summary>
/// Determines whether a control operation can be performed, partially performed or be rejected.
/// </summary>
/// <param name="From">JID from which the request was made.</param>
/// <param name="Callback">Callback method to call, when the response is available.</param>
/// <param name="State">State object to pass on to the response callback.</param>
/// <param name="ServiceToken">Optional service token provided in the request.</param>
/// <param name="DeviceToken">Optional device token provided in the request.</param>
/// <param name="UserToken">Optional user token provided in the request.</param>
/// <param name="Parameters">Control parameters to control.</param>
/// <param name="NodeReferenes">Any node references in the request. Can be null, if none.</param>
public void CanControl(string From, CanControlCallback Callback, object State, string ServiceToken, string DeviceToken, string UserToken, string[] Parameters, NodeReference[] NodeReferences)
{
string BareJid = XmppClient.StripResource(From);
if (BareJid == this.address)
{
if (Callback != null)
{
CanControlEventArgs e = new CanControlEventArgs(BareJid, true, Parameters, NodeReferences, State);
try
{
Callback(e);
} catch (Exception ex)
{
Log.Exception(ex);
}
}
}
else
{
StringBuilder sb = new StringBuilder();
XmlWriter w = XmlWriter.Create(sb, XmlUtilities.GetXmlWriterSettings(false, true, true));
w.WriteStartElement("canControl", "urn:xmpp:iot:provisioning");
w.WriteAttributeString("jid", BareJid);
if (!string.IsNullOrEmpty(ServiceToken))
{
w.WriteAttributeString("serviceToken", ServiceToken);
this.UpdateTokenSource(ServiceToken, From);
}
if (!string.IsNullOrEmpty(DeviceToken))
{
w.WriteAttributeString("deviceToken", DeviceToken);
this.UpdateTokenSource(DeviceToken, From);
}
if (!string.IsNullOrEmpty(UserToken))
{
w.WriteAttributeString("userToken", UserToken);
this.UpdateTokenSource(UserToken, From);
}
if (NodeReferences != null && NodeReferences.Length > 0)
{
foreach (NodeReference Node in NodeReferences)
{
w.WriteStartElement("node");
w.WriteAttributeString("nodeId", Node.NodeId);
if (!string.IsNullOrEmpty(Node.SourceId))
{
w.WriteAttributeString("sourceId", Node.SourceId);
}
if (!string.IsNullOrEmpty(Node.CacheType))
{
w.WriteAttributeString("cacheType", Node.CacheType);
}
w.WriteEndElement();
}
}
if (Parameters != null && Parameters.Length > 0)
{
foreach (string Parameter in Parameters)
{
w.WriteStartElement("parameter");
w.WriteAttributeString("name", Parameter);
w.WriteEndElement();
}
}
w.WriteEndElement();
w.Flush();
string Xml = sb.ToString();
string Hash = this.CalcHash(Xml);
StanzaError Error = null;
XmlNodeList Response;
if ((Response = this.GetCachedResponse(Hash)) != null)
{
this.CanControlResponse(this.client, string.Empty, Response, ref Error, new object[] {
Callback,
State,
null,
Parameters,
NodeReferences
});
}
else
{
this.client.IqGet(Xml, this.address, this.CanControlResponse, new object[] {
Callback,
State,
Hash,
Parameters,
NodeReferences
}, "Can Control?");
}
}
}
