rtes_messenger/src/main.c

/*!
 * \file main.c
 * This is the main file of the RTES final task
 *
 * \author Christos Choutouridis AEM:8997 <cchoutou@ece.auth.gr>
 */

#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include<signal.h>
#include <unistd.h>
#include <pthread.h>

#include "listener.h"
#include "client.h"


/*!
 * Global data
 */
//! @{

settings_t  settings_init (settings);
devList_t   devList_init(devList[AEMLIST_SIZE]);
stats_t     stats;

//! @}

/*!
 * CLI short options
 */
const char *short_opt = "li:v:p:s:w:th";

/*!
 * CLI long options
 */
const struct option long_opt[] = {
   {"port",       required_argument,   NULL, 'l'},
   {"interval",   required_argument,   NULL, 'i'},
   {"outlevel",   required_argument,   NULL, 'v'},
   {"pingtimeout",required_argument,   NULL, 'p'},
   {"sendtimeout",required_argument,   NULL, 's'},
   {"who",        required_argument,   NULL, 'w'},
   {"tracktime",  no_argument,         NULL, 't'},
   {"help",       no_argument,         NULL, 'h'},
   {NULL,         0,                   NULL, 0}
};

/*!
 * \brief
 *    Parse input argument and fill the kcli_input_t struct
 * \param   in    Pointer to \ref kcli_input_t structure to fill
 * \param   argc  The argument count as passed to the main()
 * \param   argv  Argument array as passed to the main()
 * \return  The status of the operation
 *    \arg  0  Success
 *    \arg  1  Fail
 */
int parse_args (settings_t *s, int argc, char const *argv[]) {
   int c;

   while ((c = getopt_long (argc, (char *const *)argv, short_opt, long_opt, NULL)) != -1) {
      switch (c) {
         case -1:       /* no more arguments */
         case 0:        /* long options toggles */
            break;
         case 'l':   s->port = atoi(optarg); break;
         case 'i':   s->msgInterval = atoi (optarg); break;
         case 'v':
            s->outLevel = atoi (optarg);
            if (s->outLevel >= OUTLEVEL_2)   s->outLevel = OUTLEVEL_2;
            if (s->outLevel < OUTLEVEL_0)    s->outLevel = OUTLEVEL_0;
            break;
         case 'p':   s->pingTimeout = atoi (optarg); break;
         case 's':   s->sendTimeout.tv_sec = atoi (optarg); break;
         case 'w':   s->me = atoi (optarg); break;
         case 't':   s->trackTime = true; break;
         case 'h':   printf ("This will be the help text\n");  break;
         case ':':
         default:
         case '?':
            fprintf (stderr, "%s: invalid option -- %c\n", argv[0], c);
            fprintf (stderr, "Try `%s --help' for more information.\n", argv[0]);
            exit(1);
      }
   }
   return 0;
}


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

   parse_args (&settings, argc, argv);

   // Initialize all subsystems
   log_init ();
   stats_init (&stats);
   msgList_init (&msgList);

   // Create threads
   pthread_t ptL, ptC;
   pthread_create (&ptL, NULL, pthListener, NULL);
   pthread_create (&ptC, NULL, pthClient, NULL);

   // block here
   pthread_join (ptL, NULL);
   pthread_join (ptC, NULL);
   return 0;
}