public static Stanza GetStanza(XmlNode xml)
{
Stanza s = null;
switch(xml.Name)
{
case "iq":
s = new IQStanza(xml);
break;
case "message":
s = new MessageStanza(xml);
break;
case "presence":
s = new PresenceStanza(xml);
break;
default:
s = new Stanza(xml);
break;
}
return s;
}
private void session_OnStanzaReceive(object sender, Stanza s)
{
if(InvokeRequired)
{
BeginInvoke(new sesson_OnStanzaReceiveDelegate(session_OnStanzaReceive), new object[] {sender, s});
return;
}
switch(s.Name)
{
case "message":
onMessageStanzaReceived(s as MessageStanza);
break;
case "presence":
onPresenceStanzaReceived(s as PresenceStanza);
break;
case "iq":
onIqStanzaReceived(s as IQStanza);
break;
}
}
/// <summary>
/// Called when a new stanza is parsed from the stream.
/// </summary>
/// <param name="stanza">The stanza associated with the event.</param>
private void onNewStanza(Stanza stanza)
{
// Handle resource binding here, but everything else is the application's responsibility
if(state == SessionState.StartingSession && stanza is IQStanza)
{
IQStanza iq = (IQStanza)stanza;
if(iq.Type == "result")
{
if(iq.Query != null && iq.Query.Name == "bind")
{
// Start a session with the given resource name
startSession(iq.Query.FirstChild.InnerText);
}
else if(iq.Query == null || (iq.Query != null && iq.Query.Name == "session"))
{
// Bind has been confirmed so we are now logged in
setState(SessionState.LoggedIn);
return;
}
}
}
else if(state == SessionState.LoggedIn)
{
if(OnStanzaReceive != null) OnStanzaReceive(this, stanza);
}
else
{
if(OnError != null) OnError(this, "Stanza "+stanza+" was received in the "+state+" state");
}
}
/// <summary>
/// Sends a stanza asynchronously.
/// </summary>
/// <param name="s">Stanza to send</param>
public void SendStanza(Stanza s)
{
// Don't send unless we are logged in
if(state != SessionState.LoggedIn)
{
OpenXMPPException err = new OpenXMPPException("Tried to send stanza \""+s+"\" in the "+state+" state.");
if(OnError != null) OnError(this, err);
}
send(s);
// Raise event
if(OnStanzaSend != null) OnStanzaSend(this, s);
}