msgSender.c

#include "msg.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/neutrino.h>
#include <time.h>

//struct msg {
  //int length;
  //char data[200];
//} amsg;

int main (int ac, char **argv) {
  int nd, pid, chid, coid;
  FILE *pidFile;
  char buff[200];
  char *pidFileName;

  MESSAGE amsg;

  pidFileName = malloc(strlen(argv[1]) + 5);

  strcpy(pidFileName, argv[1]);
  strcat(pidFileName, ".pid");

  if (ac < 2 || (pidFile = fopen(pidFileName, "r")) == NULL) {
    fprintf(stderr, "Usage: %s serverName\n", argv[0]);
    exit (EXIT_FAILURE);
  }

  if (fscanf(pidFile, "%d%d%d", &nd, &pid, &chid) != 3) {
    fprintf(stderr, "%s: Unable to read pid from %s \n", argv[0], argv[1]);
    exit (EXIT_FAILURE);
  }

  fclose(pidFile);

  coid = ConnectAttach(nd, pid, chid, 0, 0);

  int c;

  printf("Enter the type of message (max 3 digits): ");
  fflush(stdout);

   scanf("%d", stdin, &c);

   printf("Enter the  message: \n ");
   fflush(stdout);

  while(getchar() != '\n') {

         fgets(buff, sizeof(buff), stdin);

   }

  amsg.m_hdr = c;
  strcpy(amsg.m_data, buff);
  MsgSend (coid, &amsg, sizeof(amsg.m_data)+strlen(amsg.m_data), NULL, 0);
}