miscreply/rpong.c

   1 /* rpong.c */
   2
   3 #include "miscreply.h"
   4 #include "../irc/irc.h"
   5 #include "../core/error.h"
   6 #include "../server/server.h"
   7
   8 #include <stdio.h>
   9 #include <sys/time.h>
  10
  11
  12
  13 /* handle remote rpong request
  14  *
  15  * RPONG from destination server to start server:
  16  * <destination server numeric> RPONG/RO <start server name> <requesting user numeric> <start seconds> <start milliseconds> :<comment>
  17  *
  18  * cargv[0] = start server name (not numeric!)
  19  * cargv[1] = request user numeric
  20  * cargv[2] = start time in seconds
  21  * cargv[3] = start time in milliseconds
  22  * cargv[4] = comment
  23  *
  24  *
  25  * RPONG from start server to requesting user:
  26  * <start server numeric> RPONG/RO <requesting user numeric> <destination server name> <ping time> :<comment>
  27  *
  28  * cargv[0] = requesting user numeric
  29  * cargv[1] = destination server name (the pinged server, not numeric!)
  30  * cargv[2] = ping time in milliseconds
  31  * cargv[3] = comment
  32  *
  33  */
  34 int handlerpongmsg(void *source, int cargc, char **cargv) {
  35
  36   nick *snick;                        /* struct nick for source oper nick */
  37   long i;                             /* index for serverlist[]  */
  38   char *sourcenum = (char *)source;   /* source numeric */
  39   char *sourceoper;                   /* requesting operator numeric */
  40   char *time_s;                       /* time in seconds */
  41   char *time_us;                      /* time in milliseconds */
  42   char *comment;                      /* comment by client */
  43   char *servername;                   /* name of source server */
  44   struct timeval tv;                  /* get time */
  45   static char ping[18];               /* elapsed time */
  46
  47   /* check parameters */
  48   if (cargc < 4) {
  49     miscreply_needmoreparams(sourcenum, "RPONG");
  50     return CMD_OK;
  51   }
  52
  53   /* from pinged server to source server */
  54   if (cargc > 4) {
  55
  56     /* get the parameters */
  57     sourceoper = cargv[1];
  58     time_s = cargv[2];
  59     time_us = cargv[3];
  60     comment = cargv[4];
  61
  62     /* find source server */
  63     if ((i = miscreply_findserver(sourcenum, "RPING")) == -1)
  64       return CMD_OK;
  65     servername = serverlist[i].name->content;
  66
  67     /* find requesting oper */
  68     if (!(snick = miscreply_finduser(sourceoper, "RPONG")))
  69       return CMD_OK;
  70
  71     /* get time */
  72     gettimeofday(&tv, NULL);
  73
  74     /* calc ping */
  75     sprintf(ping, "%ld", (tv.tv_sec - atoi(time_s)) * 1000 + (tv.tv_usec - atoi(time_us)) / 1000);
  76
  77     /* send */
  78     irc_send("%s RO %s %s %s :%s", getmynumeric(), sourceoper,
  79       servername, ping, comment);
  80   }
  81
  82   return CMD_OK;
  83 }