serverlist/serverlist.c

   1 /* Some utterly useless dog */
   2
   3 #include "../core/schedule.h"
   4 #include "../lib/irc_string.h"
   5 #include "../localuser/localuserchannel.h"
   6 #include "../control/control.h"
   7
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <stdarg.h>
  11
  12 int cmd_serverlist(void *sender, int cargc, char **cargv);
  13 void serverlist_hook_newserver(int hook, void *arg);
  14 void serverlist_hook_lostserver(int hook, void *arg);
  15 int serverlist_versionreply(void *source, int cargc, char **cargv);
  16
  17 struct {
  18   int used;
  19   time_t ts;
  20   sstring *version1;
  21   sstring *version2;
  22 } serverinfo[MAXSERVERS];
  23
  24 void serverlist_doversion(void);
  25
  26
  27 void _init(void) {
  28   registercontrolhelpcmd("serverlist",NO_OPER,1,&cmd_serverlist,"Usage: serverlist [pattern]\nShows all currently connected servers");
  29   /* hooks for serverlist */
  30   registerhook(HOOK_SERVER_NEWSERVER, &serverlist_hook_newserver);
  31   registerhook(HOOK_SERVER_LOSTSERVER, &serverlist_hook_lostserver);
  32   int i;
  33
  34   for (i = 0; i < MAXSERVERS; i++) {
  35     if (serverlist[i].linkstate == LS_LINKED)
  36       serverinfo[i].used = 1;
  37     else
  38       serverinfo[i].used = 0;
  39
  40     serverinfo[i].ts = getnettime();
  41     serverinfo[i].version1 = NULL;
  42     serverinfo[i].version2 = NULL;
  43   }
  44   registernumerichandler(351, &serverlist_versionreply, 2);
  45
  46 }
  47
  48 void _fini(void) {
  49   int i;
  50   for (i = 0; i < MAXSERVERS; i++) {
  51     if (serverinfo[i].used) {
  52       freesstring(serverinfo[i].version1);
  53       freesstring(serverinfo[i].version2);
  54     }
  55   }
  56   deregisternumerichandler(351, &serverlist_versionreply);
  57
  58   deregisterhook(HOOK_SERVER_NEWSERVER, &serverlist_hook_newserver);
  59   deregisterhook(HOOK_SERVER_LOSTSERVER, &serverlist_hook_lostserver);
  60
  61   deregistercontrolcmd("serverlist",cmd_serverlist);
  62 }
  63
  64 int cmd_serverlist(void *sender, int cargc, char **cargv) {
  65   nick *np = (nick*)sender;
  66   int a, i, ucount, acount, scount;
  67
  68   controlreply(np, "%-7s %-30s %5s/%-5s %-15s %-20s", "Numeric", "Hostname", "Clients", "MaxCl", "Connected for", "Version");
  69
  70   scount = acount = 0;
  71
  72   for (i = 0; i < MAXSERVERS; i++) {
  73     if (serverlist[i].linkstate == LS_LINKED && (cargc < 1 || match2strings(cargv[0], serverlist[i].name->content))) {
  74       ucount = 0;
  75
  76       for (a = 0; a < serverlist[i].maxusernum; a++)
  77         if (servernicks[i][a] != NULL)
  78           ucount++;
  79
  80       acount += ucount;
  81       scount++;
  82
  83       controlreply(np, "%-7d %-30s %5d/%-5d %-15s %-20s - %s", i, serverlist[i].name->content,
  84             ucount, serverlist[i].maxusernum, longtoduration(getnettime() - serverinfo[i].ts, 0),
  85             serverinfo[i].version1 ? serverinfo[i].version1->content : "Unknown",
  86             serverinfo[i].version2 ? serverinfo[i].version2->content : "Unknown");
  87     }
  88   }
  89
  90   controlreply(np, "--- End of list. %d users and %d servers on the net.", acount, scount);
  91
  92   /* update version info for next time */
  93   serverlist_doversion();
  94
  95   return CMD_OK;
  96 }
  97
  98 int serverlist_versionreply(void *source, int cargc, char **cargv) {
  99   int num;
 100
 101   if (cargc < 6)
 102     return CMD_OK;
 103
 104   num = numerictolong(cargv[0], 2);
 105
 106   if (serverinfo[num].used) {
 107     freesstring(serverinfo[num].version1);
 108     freesstring(serverinfo[num].version2);
 109
 110     serverinfo[num].version1 = getsstring(cargv[3], strlen(cargv[3]));
 111     serverinfo[num].version2 = getsstring(cargv[5], strlen(cargv[5]));
 112   }
 113   return CMD_OK;
 114 }
 115
 116 void serverlist_doversion(void) {
 117   int i;
 118   char *num1, *numeric;
 119
 120   if (mynick == NULL)
 121     return;
 122
 123   for (i = 0; i < MAXSERVERS; i++) {
 124     if (serverlist[i].linkstate == LS_LINKED && serverinfo[i].version1 == NULL) {
 125       numeric = longtonumeric(mynick->numeric,5);
 126       num1 = (char*)malloc(strlen(numeric) + 1); /* bleh.. longtonumeric() is using static variables */
 127       strcpy(num1, numeric);
 128
 129       irc_send("%s V :%s", num1, longtonumeric(i,2));
 130       free(num1);
 131     }
 132   }
 133 }
 134
 135 void serverlist_hook_newserver(int hook, void *arg) {
 136   char *num1, *numeric;
 137   int num = (int)arg;
 138
 139   if (mynick == NULL)
 140     return;
 141
 142   serverinfo[num].used = 1;
 143   serverinfo[num].ts = getnettime();
 144   serverinfo[num].version1 = NULL;
 145   serverinfo[num].version2 = NULL;
 146
 147   numeric = longtonumeric(mynick->numeric,5);
 148   num1 = (char*)malloc(strlen(numeric) + 1); /* bleh.. longtonumeric() is using static variables */
 149   strcpy(num1, numeric);
 150
 151   irc_send("%s V :%s", num1, longtonumeric(num,2));
 152
 153   free(num1);
 154 }
 155
 156 void serverlist_hook_lostserver(int hook, void *arg) {
 157   int num = (int)arg;
 158
 159   serverinfo[num].used = 0;
 160   freesstring(serverinfo[num].version1);
 161   freesstring(serverinfo[num].version2);
 162 }
 163