/* Message Queues: server. */
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <time.h>
#include <signal.h>

#include <sys/types.h>
#include <sys/msg.h>

#include "common.h"

struct inf_msgbuf {
   long mtype;
   struct inf_t data;
};

static int msg_id = 0;

void free_msg( int i ) {
   msgctl(msg_id, IPC_RMID, NULL);
   _exit(-1);
}

int main( int argc, char* argv[] ) {
   
   struct inf_msgbuf msg;
   key_t key;
   time_t start = time(NULL);

   key = getuid() + 6662;
   
   massert((msg_id = msgget( key, 0600 | IPC_CREAT )) < 0, "msgget");
   
   signal( SIGINT, free_msg );

   set_id(&msg.data);
   msg.mtype = 1;
   while( 1 ) {
      update_inf( &msg.data, start );   
      if( msgsnd(msg_id, &msg, sizeof(struct inf_msgbuf), 0) < 0 )
         perror("msgsnd");
      sleep(1);
   }
   return 0;
}