/// <summary>
/// listen or cancel listening to transceiver
/// </summary>
/// <param name="transceiver"></param>
/// <param name="bListen"></param>
private void Listen(IClientMailTransceiver transceiver, bool bListen)
{
if (bListen)
{
transceiver.ResetedEvent += this.OnDispatcherReseted;
transceiver.IncomingLetterEvent += this.OnIncomingLetter;
transceiver.TransmissionErrorEvent += this.OnTransmissionError;
}
else
{
transceiver.ResetedEvent -= this.OnDispatcherReseted;
transceiver.IncomingLetterEvent -= this.OnIncomingLetter;
transceiver.TransmissionErrorEvent -= this.OnTransmissionError;
}
}
internal IClientMailTransceiver Connect(IClientMailTransceiver dispatcher)
{
if (this.transceiver != null)
{
// dispose the old dispatcher
this.transceiver.Dispose();
// unregiseter event listenings on old dispatcher
this.Listen(this.transceiver, false);
}
this.transceiver = dispatcher;
// register event listenings on new dispatcher
this.Listen(this.transceiver, true);
return(dispatcher);
}
/// <summary>
/// destroy this postoffice, the registered mailboxes and the transceiver
/// </summary>
public void Dispose()
{
rwlsDictName2MailBox.EnterWriteLock();
foreach (var mailBox in dictName2MailBox.Values)
{
mailBox.Destroy();
}
dictName2MailBox.Clear();
rwlsDictName2MailBox.ExitWriteLock();
if (this.transceiver != null)
{
this.Listen(this.transceiver, false);
this.transceiver.Dispose();
this.transceiver = null;
}
}
