// Callback triggered when group is deleted
private void EndDeleteGroupCompleted(IAsyncResult ar)
{
ContactGroupServices services = ar.AsyncState as ContactGroupServices;
try
{
services.EndDeleteGroup(ar);
Console.WriteLine("Group {0} was successfully deleted.", _groupName);
_waitForGroupDeleted.Set();
}
catch (PublishSubscribeException psex)
{
Console.WriteLine("Group {0} could not be deleted due to exception: {1}",
_groupName, psex.ToString());
}
catch (InvalidOperationException ioex)
{
Console.WriteLine("Delete Group failed due to exception: {0}", ioex.ToString());
}
catch (OperationFailureException ofex)
{
Console.WriteLine("Delete Group failed due to exception: {0}", ofex.ToString());
}
catch (RealTimeException rtex)
{
Console.WriteLine("Delete Group failed due to exception: {0}", rtex.ToString());
}
finally
{
// Unsubscribe to target user
_remotePresenceView.StartUnsubscribingToPresentities(new string[] { _target.Address.Uri });
}
}
/// <summary>
/// Unsubscribe from a specific uri.
/// </summary>
/// <param name="sipUri">Sip uri to unsubscribe from. Cannot be null or empty.</param>
private void Unsubscribe(string sipUri)
{
Debug.Assert(!String.IsNullOrEmpty(sipUri), "Sip uri is null or empty");
SipUriParser uriParser;
if (SipUriParser.TryParse(sipUri, out uriParser))
{
m_remotePresenceView.StartUnsubscribingToPresentities(new List <string> {
sipUri
});
}
}
/// <summary>
/// Retrieves the application configuration and begins running the
/// sample.
/// </summary>
private void Run()
{
// Prepare and instantiate the platform and an endpoint.
_helper = new UCMASampleHelper();
_userEndpoint = _helper.CreateEstablishedUserEndpoint(
"SubscribePresenceView Sample User" /*endpointFriendlyName*/);
// Get the Uri of the remote user to subscribe to.
_remoteUserUri = "sip:" +
UCMASampleHelper.PromptUser(
"Please enter the URI, in the format User@Host, of the user to subscribe to => ",
"RemoteUserURI");
Console.WriteLine("\nChanging PresenceSubscriptionCategory Filter to only include ContactCard " +
"and PresenceState");
// Set category filter. This is a global filter for all persistent
// subscriptions and can only be changed before any subscriptions
// are active.
// BUGBUG: error CS0618: 'Microsoft.Rtc.Collaboration.LocalEndpoint.RemotePresence' is obsolete: 'This property will be removed from future Versions. Please see RemotePresenceView and PresenceServices instead.'
// _userEndpoint.RemotePresence.PresenceSubscriptionCategories =
// new string[] { PresenceCategoryNames.ContactCard, PresenceCategoryNames.State };
// RemotePresencView objects can be used to group subscriptions.
// When a RemotePresenceView is created, it is created with the
// specified RemotePresenceViewSettings and associated with the
// specified LocalEndpoint. The views can then be accessed via the
// LocalEndpoint setting: RemotePresenceViews.
// RemotePresenceView.ApplicationContext can be used to pass or
// store information related to the view (seen below).
// Create a RemotePresenceView with a persistent subscription mode.
// This type of view can represent a contact list, for example.
// Note: The Default SubscriptionMode will start a subscription as
// Persistent and downgrade to Polling if an error occurs.
var persistentSettings = new RemotePresenceViewSettings();
persistentSettings.SubscriptionMode = RemotePresenceViewSubscriptionMode.Default;
_persistentView = new RemotePresenceView(_userEndpoint, persistentSettings);
_persistentView.ApplicationContext = "Persistent View";
// Wire up event handlers for the view
this.WireUpHandlersForView(_persistentView);
// Create a RemotePresenceView with a polling subscription mode
// This type of view can represent a list of people
// on the To: line of an e-mail, for example.
var pollingSettings = new RemotePresenceViewSettings();
pollingSettings.SubscriptionMode = RemotePresenceViewSubscriptionMode.Polling;
// The line below is not necessary; PollingInterval has a default
// (and minimum) value of 5 minutes.
pollingSettings.PollingInterval = TimeSpan.FromMinutes(5);
_pollingView = new RemotePresenceView(_userEndpoint, pollingSettings);
_pollingView.ApplicationContext = "Polling View";
// Wire up event handlers for the view
this.WireUpHandlersForView(_pollingView);
Console.WriteLine("\nChanging Polling View's category filter to only include Note.");
_pollingView.SetPresenceSubscriptionCategoriesForPolling(
new string[] { PresenceCategoryNames.Note });
try
{
// This constructor does very basic validation on the uri
_target = new RemotePresentitySubscriptionTarget(_remoteUserUri);
}
catch (ArgumentException argumentException)
{
// ArgumentException will be thrown if the parameter used to
// create the RemotePresentitySubscriptionTarget is an
// invalid sip Uri.
// TODO (Left to the reader): Error handling code to either
// retry creating the target with corrected parameters, log
// the error for debugging or gracefully exit the program.
Console.WriteLine(argumentException.ToString());
throw;
}
Console.WriteLine("\nInitiating subscriptions for both Views to user: "******"succeed", but the StateChanged notifications will indicate the
// subscription went to a Terminated state.
_persistentView.StartSubscribingToPresentities(new RemotePresentitySubscriptionTarget[] { _target });
_pollingView.StartSubscribingToPresentities(new RemotePresentitySubscriptionTarget[] { _target });
// There is no callback for the StartSubscribingToPresentities
// operation because subscriptions to multiple targets can
// complete at different times. Completion or failure of the
// subscription can be monitored through the
// SubscriptionStateChanged event handler,
// RemotePresenceView_NotificationReceived.
UCMASampleHelper.PauseBeforeContinuing("Press ENTER to unsubscribe.");
Console.WriteLine("\nBoth Views are terminating any subscriptions to user: "******"Press ENTER to shutdown and exit.");
// Shutdown Platform
_helper.ShutdownPlatform();
}
