/// <summary>
/// Ok - if we get here (!) then we have a valid event associated with a
/// specific call. We should handle the event (obviously!) appropriately.
/// </summary>
/// <param name="ws">The web_service request to process</param>
///
protected virtual void HandleEvent(RESTapi.web_service ws)
{
RESTapi.@event @event = ws.Item as RESTapi.@event;
LoggingSingleton.Instance.Message(LogType.Library, LogLevel.Event,
"Call::HandleEvent : Processing event \"{0}\"",
@event.type.ToString());
this._LastEvent = ws.Item as RESTapi.@event;
this._LastEventData = null;
if (this._LastEvent.event_data != null)
{
this._LastEventData = this._LastEvent.event_data.ToDictionary(x => x.name, x => x.value);
/*string _Buf = "";
*
* foreach (KeyValuePair<string, string> kv in this._LastEventData)
* {
* _Buf += string.Format(" => {0}->{1}\n", kv.Key, kv.Value);
* }
*
* Logger.LogMessage("Call::HandleEvent : Event has associated event data:\n{0}", _Buf);*/
}
switch (@event.type)
{
case RESTapi.event_type.incoming:
this.CallState = CallStateType.Ringing;
OnIncoming();
break;
case RESTapi.event_type.ringing:
this.CallState = CallStateType.Ringing;
OnRinging();
break;
case RESTapi.event_type.accepted:
this.CallState = CallStateType.Ringing;
OnAccepted();
break;
case RESTapi.event_type.answered:
case RESTapi.event_type.connected:
this.CallState = CallStateType.Connected;
OnConnected();
break;
case RESTapi.event_type.alarm:
OnAlarm();
break;
case RESTapi.event_type.dtmf:
OnDtmf();
break;
case RESTapi.event_type.end_play:
OnEndPlay();
break;
case RESTapi.event_type.hangup:
this.CallState = CallStateType.Hangup;
OnHangup();
break;
default:
LoggingSingleton.Instance.Message(LogType.Library, LogLevel.Error,
"Call::HandleEvent : Unhandled event \"{0}\"",
@event.type.ToString());
break;
}
}
/// <summary>
/// We received a web_service object to process... this function will
/// determine if the request is for a new call or an existing call.
/// Additionally, if the request is a hangup, we should delete the call
/// from our list.
/// </summary>
/// <param name="ws"> The web_service request to process</param>
///
public void ProcessRequest(RESTapi.web_service ws)
{
T currentCall = null;
RESTapi.@event @event = ws.Item as RESTapi.@event;
if (@event.type == RESTapi.event_type.keepalive)
{
LoggingSingleton.Instance.Message(LogType.Library, LogLevel.Debug1,
"CallDispatcher::ProcessRequest : Keepalive received");
return;
}
String response = RestHelpers.RESTapiToXML(ws, typeof(RESTapi.web_service));
LoggingSingleton.Instance.Message(LogType.Library, LogLevel.Debug1,
"CallDispatcher::ProcessRequest : Received web service request :\n{0}",
response);
if (@event.type == RESTapi.event_type.incoming)
{
/// Note that we probably should check that this is not an existing
/// call / resource id rather than assuming...
///
currentCall = new T()
{
Dispatcher = this as ICallDispatcher <CallBase>,
Direction = "inbound",
ResourceID = @event.resource_id,
ResourceType = @event.resource_type,
CallState = CallBase.CallStateType.Ringing,
};
foreach (RESTapi.event_data data in @event.event_data)
{
switch (data.name.ToLower())
{
case "caller_uri": currentCall.CallerUri = data.value; break;
case "called_uri": currentCall.CalledUri = data.value; break;
case "uri": currentCall.Uri = data.value; break;
case "name": currentCall.Name = data.value; break;
}
}
}
else
{
foreach (T call in Calls)
{
if (call.ResourceID == @event.resource_id)
{
currentCall = call;
break;
}
}
}
if (currentCall != null)
{
/// The following is a way of calling a protected / private member
/// of a class - kind of like using "friend class" in C++. It uses
/// reflection.
///
MethodInfo handleEventMethod = currentCall.GetType().GetMethod("HandleEvent", BindingFlags.Instance | BindingFlags.NonPublic);
switch (@event.type)
{
case RESTapi.event_type.incoming:
Calls.Add(currentCall);
handleEventMethod.Invoke(currentCall, new object[] { ws });
break;
case RESTapi.event_type.hangup:
handleEventMethod.Invoke(currentCall, new object[] { ws });
Calls.Remove(currentCall);
break;
default:
handleEventMethod.Invoke(currentCall, new object[] { ws });
break;
}
}
} /* ProcessRequest() */
