internal void PrepareToRaiseCreateContactCompletedEvent(AsyncOperation asyncOP, CreateContactCompletedEventArgs args)
{
asyncOP.PostOperationCompleted(OnCreateContactCompletedDelegate, args);
}
//
// Used to create a contact async'ally
//
private void CreateContactAsyncHelper(object state)
{
Exception ex = null;
PeerContact peerContact = null;
CreateContactAsyncState createAsyncState = state as CreateContactAsyncState;
PeerNearMe peerNearMe = createAsyncState.PeerNearMe;
object userToken = createAsyncState.UserToken;
//
// Call the [....] version of createcontact
//
try{
peerContact = CreateContact(peerNearMe);
}
catch (ObjectDisposedException e){
Logging.P2PTraceSource.TraceEvent(TraceEventType.Error, 0, "CreateContactAsyncHelper caught error {0}", e.Message);
ex = e;
}
catch (PeerToPeerException e){
Logging.P2PTraceSource.TraceEvent(TraceEventType.Error, 0, "CreateContactAsyncHelper caught error {0}", e.Message);
ex = e;
}
CreateContactCompletedEventArgs createContactCompletedArgs;
if (ex == null){
createContactCompletedArgs = new CreateContactCompletedEventArgs(peerContact, null, false, userToken);
}
else{
createContactCompletedArgs = new CreateContactCompletedEventArgs(peerContact, ex, false, userToken);
}
PrepareToRaiseCreateContactCompletedEvent(m_createContactAsyncList[userToken], createContactCompletedArgs);
}
void OnCreateContactCompleted(CreateContactCompletedEventArgs e)
{
EventHandler<CreateContactCompletedEventArgs> handlerCopy = m_createContactCompleted;
if (handlerCopy != null){
handlerCopy(this, e);
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Fired the create contact completed event callback.");
}
}
void ContactManager_CreateContactCompleted(object sender, CreateContactCompletedEventArgs e)
{
switch (e.UserState.ToString())
{
case "Setup":
try
{
PeerContact existContact = PeerCollaboration.ContactManager.GetContact(e.PeerContact.PeerName);
PeerCollaboration.ContactManager.UpdateContact(e.PeerContact);
}
catch (PeerToPeerException ex)
{
AddLog("ContactManager_CreateContactCompleted:" + ex.Message, LogType.System);
PeerCollaboration.ContactManager.AddContact(e.PeerContact);
}
e.PeerContact.SubscribeCompleted += peerContact_SubscribeCompleted;
e.PeerContact.SubscribeAsync(peerObject);
AddLog("[Setup]ContactManager_CreateContactCompleted", LogType.System);
break;
case "Added":
try
{
PeerContact existContact = PeerCollaboration.ContactManager.GetContact(e.PeerContact.PeerName);
PeerCollaboration.ContactManager.UpdateContact(e.PeerContact);
}
catch (PeerToPeerException ex)
{
AddLog("ContactManager_CreateContactCompleted:" + ex.Message, LogType.System);
PeerCollaboration.ContactManager.AddContact(e.PeerContact);
}
e.PeerContact.SubscribeCompleted += peerContact_SubscribeCompleted;
e.PeerContact.SubscribeAsync(peerObject);
AddLog("[Added]ContactManager_CreateContactCompleted", LogType.System);
break;
case "Deleted":
e.PeerContact.SubscribeCompleted -= peerContact_SubscribeCompleted;
PeerCollaboration.ContactManager.DeleteContact(e.PeerContact);
AddLog("[Deleted]ContactManager_CreateContactCompleted", LogType.System);
break;
}
}