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 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;
}
}
private void BindSession(SessionBindInfo bindInfo, int timeOut)
{
_vTcpIpSession.SessionClosed += TcpIpSessionClosedEventHandler;
BindRequest bindReq = bindInfo.CreatePdu();
_vTrans.Send(bindReq);
BindResponse bindResp = null;
try { bindResp = (BindResponse)_vRespHandler.WaitResponse(bindReq, timeOut); }
catch (SmppResponseTimedOutException ex)
{ throw new SmppBindException(ex); }
if (bindResp.Header.ErrorCode != 0)
{
throw new SmppBindException(bindResp.Header.ErrorCode);
}
//Copy settings
_vSmscId = bindResp.SystemId;
_vSystemId = bindInfo.SystemId;
_vPassword = bindInfo.Password;
_vAddressTon = bindInfo.AddressTon;
_vAddressNpi = bindInfo.AddressNpi;
//Start timer
_vTimer.Start();
_vIsAlive = true;
switch (bindReq.Header.CommandType)
{
case CommandType.BindTransceiver:
ChangeState(SmppSessionState.Transceiver);
break;
case CommandType.BindReceiver:
ChangeState(SmppSessionState.Receiver);
break;
case CommandType.BindTransmitter:
ChangeState(SmppSessionState.Transmitter);
break;
}
}
internal SessionBindInfo GetBindInfo()
{
SessionBindInfo bindInfo = new SessionBindInfo();
bindInfo.SystemID = vSystemID;
bindInfo.Password = vPassword;
bindInfo.ServerName = vHost;
bindInfo.Port = vPort;
bindInfo.InterfaceVersion = vInterfaceVersion;
bindInfo.AddressTon = vAddressTon;
bindInfo.AddressNpi = vAddressNpi;
bindInfo.SystemType = vSystemType;
return bindInfo;
}
