ircd/opercmds.c

   1 /*
   2  * IRC - Internet Relay Chat, ircd/opercmds.c (formerly ircd/s_serv.c)
   3  * Copyright (C) 1990 Jarkko Oikarinen and
   4  *                    University of Oulu, Computing Center
   5  *
   6  * See file AUTHORS in IRC package for additional names of
   7  * the programmers.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 1, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23 /** @file
  24  * @brief Implementation of AsLL ping helper commands.
  25  * @version $Id: opercmds.c,v 1.12 2004/10/03 16:34:03 entrope Exp $
  26  */
  27 #include "config.h"
  28
  29 #include "opercmds.h"
  30 #include "class.h"
  31 #include "client.h"
  32 #include "ircd.h"
  33 #include "ircd_chattr.h"
  34 #include "ircd_reply.h"
  35 #include "ircd_string.h"
  36 #include "listener.h"
  37 #include "match.h"
  38 #include "msg.h"
  39 #include "numeric.h"
  40 #include "numnicks.h"
  41 #include "s_conf.h"
  42 #include "send.h"
  43 #include "struct.h"
  44
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48 #include <sys/time.h>
  49
  50 /** Calculate current time or elapsed time.
  51  *
  52  * If neither \a sec nor \a usec are NULL, calculate milliseconds
  53  * elapsed since that time, and return a string containing that
  54  * number.
  55  *
  56  * If either \a sec or \a usec are NULL, format a timestamp containing
  57  * Unix timestamp and microseconds since that second (separated by
  58  * spaces), and return a string containing that timestamp.
  59  *
  60  * @todo This should be made into two functions.
  61  * @param[in] sec Either NULL or a Unix timestamp in seconds.
  62  * @param[in] usec Either NULL or an offset to \a sec in microseconds.
  63  * @return A static buffer with contents as described above.
  64  */
  65 char *militime(char* sec, char* usec)
  66 {
  67   struct timeval tv;
  68   static char timebuf[18];
  69
  70   gettimeofday(&tv, NULL);
  71   if (sec && usec)
  72     sprintf(timebuf, "%ld",
  73         (tv.tv_sec - atoi(sec)) * 1000 + (tv.tv_usec - atoi(usec)) / 1000);
  74   else
  75     sprintf(timebuf, "%ld %ld", tv.tv_sec, tv.tv_usec);
  76   return timebuf;
  77 }
  78
  79 /** Calculate current time or elapsed time.
  80  *
  81  * If \a start is NULL, create a timestamp containing Unix timestamp
  82  * and microseconds since that second (separated by a period), and
  83  * return a string containing that timestamp.
  84  *
  85  * Otherwise, if \a start does not contain a period, return a string
  86  * equal to "0".
  87  *
  88  * Otherwise, calculate milliseconds elapsed since the Unix time
  89  * described in \a start (in the format described above), and return a
  90  * string containing that number.
  91  *
  92  * @todo This should be made into two functions.
  93  * @param[in] start Either NULL or a Unix timestamp in
  94  * pseudo-floating-point format.
  95  * @return A static buffer with contents as described above.
  96  */
  97 char *militime_float(char* start)
  98 {
  99   struct timeval tv;
 100   static char timebuf[18];
 101   char *p;
 102
 103   gettimeofday(&tv, NULL);
 104   if (start)
 105   {
 106     if ((p = strchr(start, '.')))
 107     {
 108       p++;
 109       sprintf(timebuf, "%ld",
 110           (tv.tv_sec - atoi(start)) * 1000 + (tv.tv_usec - atoi(p)) / 1000);
 111     }
 112     else
 113       strcpy(timebuf, "0");
 114   }
 115   else
 116     sprintf(timebuf, "%ld.%ld", tv.tv_sec, tv.tv_usec);
 117   return timebuf;
 118 }