NetProg

 


   

NETPROG  PRESENTATION

 
  OverView
  Functionalities
  Programming
API
C Examples
  Download
MXAddPort C NetProg Library 


#include "mx.h"
int MXAddPort (MX* pmx, int port, int protocol)


Parameters Description
pmx  the MX manager
port  the port listening number 
protocol  the protocol used for this port


Description : 

This function adds a listening port allowing the application to accept connections on this port. The protocol indicated in the function parameter is set for all connections on this port

The protocols supported are :

IP client server Connection Dialog
TCP yes yes IP_PROTO_TCP TCP
FTP yes no IP_PROTO_FTP FTP
HTTP yes no IP_PROTO_HTTP HTTP
SMTP yes no IP_PROTO_SMTP SMTP
POP yes no IP_PROTO_POP POP
DNS yes no IP_PROTO_DNS DNS
DG yes yes IP_PROTO_DG USER_DEFINED

For example , if an application wants to write an FTP server, it adds the protocol IPPROTO_FTP on the port 21, and write the callbacks related to the message classes of the predefined FTP Dialog class

Return Values : -1 if error else > 0 


See Also : MXGetPort 


Example :

int OnConnect (MXCom* pcom, void* appfield)
{
  if (MXGetPort (pcom) != 8080) return 1;
  printf ("===> Nbr connection opened= %d\n", ++NbOpen1); 
  MXAddComCallBack (pcom->MX, pcom, HTTP_SYS, "Request", MXONRECV, RecvRequest, NULL); 
  return 1;
}


int main(int argc, char* argv[])
{

  MX mx;
 
  MXInit (&mx, MXSERVER, NULL, NULL, 0, NULL);
  MXAddPort (&mx, 8080, IPPROTO_HTTP);
  MXAddGeneralConnectCallBack (&mx, MXONCONNECT, OnConnect, &mx);
  MXDispatchEvents (&mx, 0);
  MXEnd (&mx);
}