simulinkSocket.c

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#include "simulinkSocket.h"

int16_T establishBSDSocket(int16_T* flag){
  int retVal;
  if ( *flag == 0 ){
    retVal = establishclientsocket("socket.cfg");
  }
  else
    retVal = *flag;
  return retVal;
}

int16_T exchangeDoublesWithBSDSocket(int16_T* sockfd,
                  int16_T* flaWri, 
                      int16_T* flaRea,
                      int16_T* nDblWri,
                  double* simTimWri,
                  double dblValWri[], 
                  double* simTimRea,
                  double dblValRea[]){
  int mySockfd = *sockfd;
  int myFlaWri = *flaWri;
  int myFlaRea = 0;
  int myNDblWri = *nDblWri;
  int nDblRea;
  int retVal = exchangedoubleswithsocket(&mySockfd, 
                     &myFlaWri, &myFlaRea,
                     &myNDblWri,
                     &nDblRea,
                     simTimWri,
                     dblValWri,
                     simTimRea,
                     dblValRea);
  /* NDBLMAX is defined in lib/defines.h */
  if ( nDblRea > NDBLMAX ){
    fprintf(stderr, "simulinkSocket: Read too many double values.\n");
    fprintf(stderr, "   Received nDblRea = %d, maximum is %d\n", nDblRea, NDBLMAX);
    fprintf(stderr, "   To fix, change NDBLMAX in lib/defines.h and recompile simulink interface.\n");
    retVal = -1;
  }
  *flaRea = myFlaRea;
  return retVal;
}

int16_T closeBSDSocket(int16_T* sockfd, int16_T* doClose){
  if ( (0 == *doClose) || (*sockfd < 0) ){ /* do not close socket */
    return 0;
  }
  else{
    int mySockfd = *sockfd;
    return closeipc(&mySockfd);
  }
}