/// <summary>
/// Call an async webservice method by using the specific info.
/// </summary>
/// <param name="e"></param>
protected virtual void RunAsyncMethod(BeforeRunAsyncMethodEventArgs e)
{
if (e.ServiceState.AddToAsyncList)
{
if (BeforeRunAsyncMethod != null)
{
BeforeRunAsyncMethod(this, e);
}
ChangeCacheKeyAndPreferredHostForSpecifiedMethod(e.WebService, e.ServiceType, e.ServiceState, e.Request);
lock (asyncRequests)
{
asyncRequests[e.ServiceState] = e.Request;
}
// Run async method now
e.WebService.GetType().InvokeMember(
e.ServiceState.MethodName + "Async",
System.Reflection.BindingFlags.InvokeMethod,
null,
e.WebService,
new object[] { e.Request, e.ServiceState }
);
}
}
protected virtual void OnAfterCompleted(ServiceOperationEventArgs e)
{
object request = null;
lock (asyncRequests)
{
if (asyncRequests.ContainsKey(e.MsnServiceState))
{
request = asyncRequests[e.MsnServiceState];
asyncRequests.Remove(e.MsnServiceState);
}
}
if (e.MsnServiceState.AddToAsyncList)
{
lock (asyncStates)
asyncStates.Remove(e.MsnServiceState);
}
if (e.AsyncCompletedEventArgs.Cancelled)
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceInfo,
"Async method cancelled:\r\n" +
"Service: " + e.WebService.ToString() + "\r\n" +
"MethodName: " + e.MsnServiceState.MethodName + "\r\n" +
"PartnerScenario: " + e.MsnServiceState.PartnerScenario);
}
else if (e.AsyncCompletedEventArgs.Error != null)
{
BeforeRunAsyncMethodEventArgs reinvokeArgs = null;
if (e.AsyncCompletedEventArgs.Error is WebException)
{
WebException webException = e.AsyncCompletedEventArgs.Error as WebException;
HttpWebResponse webResponse = webException.Response as HttpWebResponse;
if (webResponse != null && request != null)
{
if (webResponse.StatusCode == HttpStatusCode.MovedPermanently)
{
DeltasList deltas = NSMessageHandler.ContactService.Deltas;
if (deltas == null)
{
throw new MSNPSharpException("Deltas is null.");
}
string redirctURL = webResponse.Headers[HttpResponseHeader.Location];
string preferredHostKey = e.WebService.ToString() + "." + e.MsnServiceState.MethodName;
lock (deltas.SyncObject)
{
deltas.PreferredHosts[preferredHostKey] = FetchHost(redirctURL);
deltas.Save();
}
e.WebService.Url = redirctURL;
reinvokeArgs = new BeforeRunAsyncMethodEventArgs(e.WebService, e.ServiceType, e.MsnServiceState, request);
}
}
}
if (reinvokeArgs == null)
{
OnServiceOperationFailed(this, new ServiceOperationFailedEventArgs(e.MsnServiceState.MethodName, e.AsyncCompletedEventArgs.Error));
}
else
{
RunAsyncMethod(reinvokeArgs);
}
}
else
{
// HandleServiceHeader
if (NSMessageHandler.MSNTicket != MSNTicket.Empty &&
(e.ServiceType == MsnServiceType.AB || e.ServiceType == MsnServiceType.Sharing))
{
HandleServiceHeader(e.WebService, e.ServiceType, e.MsnServiceState);
}
// Fire event
if (AfterCompleted != null)
{
AfterCompleted(this, e);
}
}
}