/// <summary>
/// Clears pending estalbish async result.
/// </summary>
internal void HandleEstablishmentCompletion(Exception e)
{
lock (this.syncRoot)
{
this.pendingEstablishAsyncResult = null;
if (e != null)
{
this.BeginTerminate((asyncResult) =>
{
this.EndTerminate(asyncResult);
},
null);
}
}
}
/// <summary>
/// Establishes the call anchor for a customer session.
/// </summary>
/// <param name="callback"></param>
/// <param name="state"></param>
/// <returns></returns>
public IAsyncResult BeginEstablish(RealTimeAddress helpdeskNumber, AsyncCallback callback, object state)
{
EstablishAsyncResult establishAsyncResult = null;
if (helpdeskNumber == null)
{
throw new ArgumentNullException("helpdeskNumber");
}
lock (this.syncRoot)
{
if (this.pendingEstablishAsyncResult != null)
{
throw new InvalidOperationException("Already a pending async result is in progress");
}
if (this.customerRemoteParticipant == null)
{
throw new InvalidOperationException("Customer has already left the conversation");
}
if (this.trustedConversation == null)
{
ConversationSettings settings = new ConversationSettings(ConversationPriority.Normal, "Dialout", "<" + this.CustomerUri + ">");
this.trustedConversation = new Conversation(this.customerConversation.Endpoint, settings);
// Config change: We cannot impersonate with user endpoint.
if (!Boolean.Parse(System.Configuration.ConfigurationManager.AppSettings["UseUserEndPoint"]))
{
this.trustedConversation.Impersonate(this.customerRemoteParticipant.Uri, this.customerRemoteParticipant.PhoneUri, this.customerRemoteParticipant.DisplayName);
}
this.RegisterTrustedConversationEventHandlers(this.trustedConversation);
}
establishAsyncResult = new EstablishAsyncResult(this, this.trustedConversation, this.customerConversation, helpdeskNumber, this.logger, callback, state);
this.pendingEstablishAsyncResult = establishAsyncResult;
}
establishAsyncResult.Process();
return(establishAsyncResult);
}
/// <summary>
/// Ends the establishment process.
/// </summary>
/// <param name="asyncResult"></param>
public void EndEstablish(IAsyncResult asyncResult)
{
EstablishAsyncResult establishAsyncResult = asyncResult as EstablishAsyncResult;
establishAsyncResult.EndInvoke();
}