core/error.c

   1 /* error.c */
   2
   3 #include <stdarg.h>
   4 #include <time.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include "error.h"
   8 #include "hooks.h"
   9
  10 FILE *logfile;
  11
  12 char *sevtostring(int severity) {
  13   switch(severity) {
  14     case ERR_DEBUG:
  15       return "debug";
  16
  17     case ERR_INFO:
  18       return "info";
  19
  20     case ERR_WARNING:
  21       return "warning";
  22
  23     case ERR_ERROR:
  24       return "error";
  25
  26     case ERR_FATAL:
  27       return "fatal error";
  28
  29     case ERR_STOP:
  30       return "terminal error";
  31
  32     default:
  33       return "unknown error";
  34   }
  35 }
  36
  37 void reopen_logfile(int hooknum, void *arg) {
  38   if (logfile)
  39     fclose(logfile);
  40
  41   logfile=fopen("newserv.log","a");
  42 }
  43
  44 void init_logfile() {
  45   logfile=fopen("newserv.log","a");
  46   registerhook(HOOK_CORE_SIGUSR1, reopen_logfile);
  47 }
  48
  49 void Error(char *source, int severity, char *reason, ... ) {
  50   char buf[512];
  51   va_list va;
  52   struct tm *tm;
  53   time_t now;
  54   char timebuf[100];
  55   struct error_event evt;
  56
  57   va_start(va,reason);
  58   vsnprintf(buf,512,reason,va);
  59   va_end(va);
  60
  61   evt.severity=severity;
  62   evt.message=buf;
  63   evt.source=source;
  64   triggerhook(HOOK_CORE_ERROR, &evt);
  65
  66   if (severity>ERR_DEBUG) {
  67     now=time(NULL);
  68     tm=gmtime(&now);
  69     strftime(timebuf,100,"%Y-%m-%d %H:%M:%S",tm);
  70     fprintf(stderr,"[%s] %s(%s): %s\n",timebuf,sevtostring(severity),source,buf);
  71     if (logfile)
  72       fprintf(logfile,"[%s] %s(%s): %s\n",timebuf,sevtostring(severity),source,buf);
  73   }
  74
  75   if (severity>=ERR_STOP) {
  76     fprintf(stderr,"Terminal error occured, exiting...\n");
  77     triggerhook(HOOK_CORE_STOPERROR, NULL);
  78     exit(0);
  79   }
  80 }