core/main.c

   1 #include "../lib/sstring.h"
   2 #include "events.h"
   3 #include "schedule.h"
   4 #include "hooks.h"
   5 #include "modules.h"
   6 #include "config.h"
   7 #include "error.h"
   8 #include "nsmalloc.h"
   9
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <time.h>
  13 #include <sys/time.h>
  14 #include <signal.h>
  15
  16 int newserv_shutdown_pending;
  17 int newserv_sigusr1_pending;
  18
  19 void initseed();
  20 void init_logfile();
  21 void siginthandler(int sig);
  22 void sigusr1handler(int sig);
  23
  24 int main(int argc, char **argv) {
  25   initseed();
  26   inithooks();
  27   inithandlers();
  28   initschedule();
  29
  30   init_logfile();
  31
  32   initsstring();
  33
  34   if (argc>1) {
  35     initconfig(argv[1]);
  36   } else {
  37     initconfig("newserv.conf");
  38   }
  39
  40   /* Loading the modules will bring in the bulk of the code */
  41   initmodules();
  42   signal(SIGINT, siginthandler);
  43   signal(SIGUSR1, sigusr1handler);
  44
  45   /* Main loop */
  46   for(;;) {
  47     handleevents(10);
  48     doscheduledevents(time(NULL));
  49     if (newserv_shutdown_pending) {
  50       newserv_shutdown();
  51       break;
  52     }
  53
  54     if (newserv_sigusr1_pending) {
  55       signal(SIGUSR1, sigusr1handler);
  56       triggerhook(HOOK_CORE_SIGUSR1, NULL);
  57       newserv_sigusr1_pending=0;
  58     }
  59   }
  60
  61   nsexit();
  62
  63   freeconfig();
  64   finisstring();
  65 }
  66
  67 /*
  68  * seed the pseudo-random number generator, rand()
  69  */
  70 void initseed() {
  71   struct timeval t;
  72
  73   gettimeofday(&t, NULL);
  74   srand(t.tv_usec);
  75 }
  76
  77 void siginthandler(int sig) {
  78   newserv_shutdown_pending = 1;
  79 }
  80
  81 void sigusr1handler(int sig) {
  82   newserv_sigusr1_pending = 1;
  83 }