//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
/// <summary>
/// Adds session.
/// </summary>
/// <param name="p_session">Session ID.</param>
/// <param name="p_responsor">Session object.</param>
/// <param name="logWriter">Log writer.</param>
public void AddSession(string p_session, MailResponsor p_responsor)
{
SessionTable.Add(p_session, p_responsor);
WriteLog(String.Format("session[{0}]: {1}", p_session, "added"), true);
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
/// <summary>
///
/// </summary>
public void Listen()
{
try
{
ELogger.SNG.WriteLog(String.Format("starting for connection: {0}, {1}...", "IPAddress.Any", PortNumber));
smtpListener = new TcpListener(IPAddress.Any, PortNumber);
smtpListener.Start();
while (true)
{
// Check if maximum allowed thread count isn't exceeded
if (SessionTable.Count <= MaxThreads)
{
WriteLog(String.Format("waiting for connection: {0}/{1}...", SessionTable.Count, MaxThreads), true);
// Thread is sleeping, until a client connects
Socket _clientSocket = smtpListener.AcceptSocket();
string _sessionId = _clientSocket.GetHashCode().ToString();
WriteLog(String.Format("session[{0}]: listener accepted...", _sessionId), true);
MailResponsor _newRequestor = new MailResponsor(this, _clientSocket, _sessionId);
Thread _requestor = new Thread(_newRequestor.Process)
{
Name = "SMTP Requestor"
};
// Add session to session list
AddSession(_sessionId, _newRequestor);
// Start proccessing
_requestor.Start();
}
else
{
Thread.Sleep(100);
}
}
}
catch (ThreadInterruptedException ex)
{
ELogger.SNG.WriteLog(ex);
Thread.CurrentThread.Abort();
}
catch (ThreadAbortException ex)
{
ELogger.SNG.WriteLog(ex);
}
catch (SocketException ex)
{
ELogger.SNG.WriteLog("X", String.Format("{0}: {1}:{2}", ex.Message, HostName, PortNumber));
}
catch (ProviderException ex)
{
ELogger.SNG.WriteLog(ex);
}
catch (Exception ex)
{
ELogger.SNG.WriteLog(ex);
}
finally
{
smtpListener.Stop();
}
}
