private void DisconnectClientsIfNeeded()
{
try {
_newMailHandler?.Cancel();
if (_imapInboxIdler != null)
{
_imapInboxIdler.CountChanged -= ImapInboxIdlerOnCountChanged;
_imapInboxIdler.MessageExpunged -= ImapInboxIdlerOnMessageExpunged;
_imapInboxIdler.UidValidityChanged -= ImapInboxIdlerOnUidValidityChanged;
}
_imapInboxIdler?.Dispose();
_imapInboxIdler = null;
if (_imapIdlerTask != null && _imapIdlerTask.IsCanceled)
{
_imapIdlerTask?.Dispose();
}
_imapClient?.Dispose();
_imapClient = null;
_smtpClient?.Dispose();
_smtpClient = null;
} catch (Exception e) {
_config.Tracer?.TraceError($"An error has occured while disconnecting clients - {e}", $"{this}");
}
}
/// <summary>
/// Start to listen for events from the imap server and publish new message events when needed
/// </summary>
/// <remarks>This does not blocks the thread and it can throw exception</remarks>
/// <exception cref="Exception"></exception>
public void StartListening()
{
if (_imapIdlerTask != null)
{
throw new Exception($"{this}: Use {nameof(StopListening)} to stop listening before trying to {nameof(StartListening)}");
}
_config.Tracer?.TraceVerbose($"{nameof(StartListening)}", $"{this}");
DisconnectClientsIfNeeded();
_imapInboxIdler = new ImapInboxIdler(_config);
_imapClient = new ImapInboxClient(_config);
_smtpClient = new SmtpBasicClient(_config);
ConnectClients();
SynchronizeMailCount(_imapClient.Count());
}
internal MailActuator(ImapInboxClient imapClient, SmtpBasicClient smtpClient) : base(smtpClient)
{
_imapClient = imapClient;
}