private static TcpIpSession CreateTcpIpSession(SessionBindInfo bindInfo)
{
//Check that Host is not an empty string or null
if (string.IsNullOrEmpty(bindInfo.ServerName))
{
throw new InvalidOperationException("Host cannot be an empty string or null");
}
//Check the port number is not set to an invalid value
if (bindInfo.Port < IPEndPoint.MinPort || bindInfo.Port > IPEndPoint.MaxPort)
{
throw new InvalidOperationException(
string.Format("Port must be set to a valid value between '{0}' and '{1}'",
IPEndPoint.MinPort, IPEndPoint.MaxPort));
}
IPAddress address = null;
TcpIpSession session = null;
if (!IPAddress.TryParse(bindInfo.ServerName, out address))
{
session = TcpIpSession.OpenClientSession(bindInfo.ServerName, bindInfo.Port);
}
else
{
session = TcpIpSession.OpenClientSession(address, bindInfo.Port);
}
return(session);
}
public PDUTransmitter(TcpIpSession session)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
vTcpIpSession = session;
}
private void DestroyTcpIpSession()
{
if (_vTcpIpSession == null)
{
return;
}
_vTcpIpSession.SessionClosed -= TcpIpSessionClosedEventHandler;
_vTcpIpSession.EndSession();
_vTcpIpSession = null;
}
/// <summary>
/// Creates a new instance of the <see cref="StreamParser"/> class
/// </summary>
/// <param name="session">A <see cref="TcpIpSession"/></param>
/// <param name="responseQueue">A <see cref="ResponseQueue"/> instance to which <see cref="ResponsePDU"/> pdu's are forwarded</param>
/// <param name="requestProcessor">A callback delegate for processing <see cref="RequestPDU"/> pdu's</param>
public StreamParser(TcpIpSession session, ResponseHandler responseQueue, PduProcessorCallback requestProcessor)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
if (requestProcessor == null)
{
throw new ArgumentNullException("requestProcessor");
}
if (responseQueue == null)
{
throw new ArgumentNullException("responseQueue");
}
vTcpIpSession = session;
vProcessorCallback = requestProcessor;
vResponseHandler = responseQueue;
//--Create and initialize a trace switch
vTraceSwitch = new TraceSwitch("StreamParserSwitch", "Stream perser switch");
}
public static SmppClientSession Bind(SessionBindInfo bindInfo, int timeOut, SmppEncodingService smppEncodingService)
{
try
{
TcpIpSession tcpIpSession = null;
if (bindInfo == null)
{
throw new ArgumentNullException("bindInfo");
}
//--
tcpIpSession = CreateTcpIpSession(bindInfo);
//--
SmppClientSession smppSession = new SmppClientSession(smppEncodingService);
smppSession.vTcpIpSession = tcpIpSession;
smppSession.ChangeState(SmppSessionState.Open);
smppSession.AssembleComponents();
try { smppSession.BindSession(bindInfo, timeOut); }
catch (Exception)
{
smppSession.DestroyTcpIpSession();
smppSession.DisassembleComponents();
throw;
}
return(smppSession);
}
catch (Exception ex)
{
_Log.ErrorFormat("200017:SMPP bind operation failed: {0}", ex, ex.Message);
if (vTraceSwitch.TraceInfo)
{
string traceMessage = "200017:SMPP bind operation failed:";
if (ex is SmppException)
{
traceMessage += (ex as SmppException).ErrorCode.ToString() + " - ";
}
traceMessage += ex.Message;
Trace.WriteLine(traceMessage);
}
throw;
}
}
