/* random number server */

#include "simpleipc.c"
#include "simpletcp.c"

#define RPORT 30034

int main()
{ int sfd, cfd;
  int min, max, randnum;
  struct timeval tv;
  /* set random seed according to time of day */
  gettimeofday(&tv,NULL);
  srandom(tv.tv_usec);

  sfd = creatListener(RPORT);
  if (sfd < 0) exit(1);
  printf("Random number server started ...\n");

  while (1<2)  // server loop
    {
      cfd = listenOn(sfd);
      // wait for client to send range of numbers
      min = readInt(cfd);
      max = readInt(cfd);
      randnum = min + (random() % (max-min+1));
      writeInt(cfd,randnum);
      close(cfd);
    } // while

  exit(0);
}