public virtual bool TryGetResponse(out string response)
{
var resp = response = null;
ResponseTask = Task.Factory.StartNew(() =>
{
resp = GetResponse(IdleTimeout + ServerTimeout * 3);
});
try
{
if (ResponseTask.Wait(IdleTimeout))
{
response = resp;
ResponseTask.Dispose();
ResponseTask = null;
return(true);
}
else
{
return(false);
}
}
catch (AggregateException)
{
throw;
}
}
void WatchIdleQueue()
{
try
{
string last = null, resp;
while (true)
{
if (!TryGetResponse(out resp))
{
// Child task should still running on ReadByte here.
// Need to send some data to get it to exit.
SendCommand("DONE"); //_ResponseTask should pick up response and exit
if (!ResponseTask.Wait(ServerTimeout))
{
// Not responding
Disconnect();
throw new ImapClientException("Lost communication to IMAP server, connection closed.");
}
ResponseTask.Dispose();
ResponseTask = null;
IdleResumeCommand();
continue;
}
if (resp.Contains("OK IDLE"))//Server response after DONE
{
return;
}
var data = resp.Split(' ');
if (data[0] == "*" && data.Length >= 3)
{
var args = new MessageEventArgs {
Client = this, MessageCount = int.Parse(data[1])
};
if (data[2].Is("EXISTS") && !last.Is("EXPUNGE") && args.MessageCount > 0)
{
Task.Factory.StartNew(() => newMessage.Fire(this, args)); //Fire the event in a task
}
else if (data[2].Is("EXPUNGE"))
{
Task.Factory.StartNew(() => messageDeleted.Fire(this, args));
}
last = data[2];
}
}
}
catch (Exception e)
{
var args = new ImapClientExceptionEventArgs(e);
Task.Factory.StartNew(() => ImapException.Fire(this, args));
}
}