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 #include "../usercount/usercount.h"
   8
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12
  13 int cmd_serverlist(void *sender, int cargc, char **cargv);
  14 void serverlist_hook_newserver(int hook, void *arg);
  15 void serverlist_hook_lostserver(int hook, void *arg);
  16 int serverlist_versionreply(void *source, int cargc, char **cargv);
  17
  18 struct {
  19   int used;
  20   time_t ts;
  21   sstring *version1;
  22   sstring *version2;
  23 } serverinfo[MAXSERVERS];
  24
  25 void serverlist_doversion(void);
  26
  27
  28 void _init(void) {
  29   registercontrolhelpcmd("serverlist",NO_OPER,1,&cmd_serverlist,"Usage: serverlist [pattern]\nShows all currently connected servers");
  30   /* hooks for serverlist */
  31   registerhook(HOOK_SERVER_NEWSERVER, &serverlist_hook_newserver);
  32   registerhook(HOOK_SERVER_LOSTSERVER, &serverlist_hook_lostserver);
  33   int i;
  34
  35   for (i = 0; i < MAXSERVERS; i++) {
  36     if (serverlist[i].linkstate == LS_LINKED)
  37       serverinfo[i].used = 1;
  38     else
  39       serverinfo[i].used = 0;
  40
  41     serverinfo[i].ts = getnettime();
  42     serverinfo[i].version1 = NULL;
  43     serverinfo[i].version2 = NULL;
  44   }
  45   registernumerichandler(351, &serverlist_versionreply, 2);
  46
  47 }
  48
  49 void _fini(void) {
  50   int i;
  51   for (i = 0; i < MAXSERVERS; i++) {
  52     if (serverinfo[i].used) {
  53       freesstring(serverinfo[i].version1);
  54       freesstring(serverinfo[i].version2);
  55     }
  56   }
  57   deregisternumerichandler(351, &serverlist_versionreply);
  58
  59   deregisterhook(HOOK_SERVER_NEWSERVER, &serverlist_hook_newserver);
  60   deregisterhook(HOOK_SERVER_LOSTSERVER, &serverlist_hook_lostserver);
  61
  62   deregistercontrolcmd("serverlist",cmd_serverlist);
  63 }
  64
  65 int cmd_serverlist(void *sender, int cargc, char **cargv) {
  66   nick *np = (nick*)sender;
  67   int a, i, ucount, acount, scount;
  68
  69   controlreply(np, "%-7s %-30s %5s/%5s/%-5s %-15s %-20s", "Numeric", "Hostname", "EClients", "Clients", "MaxCl", "Connected for", "Version");
  70
  71   scount = acount = 0;
  72
  73   for (i = 0; i < MAXSERVERS; i++) {
  74     if (serverlist[i].linkstate == LS_LINKED && (cargc < 1 || match2strings(cargv[0], serverlist[i].name->content))) {
  75       ucount = 0;
  76
  77       for (a = 0; a <= serverlist[i].maxusernum; a++)
  78         if (servernicks[i][a] != NULL)
  79           ucount++;
  80
  81       acount += ucount;
  82       scount++;
  83
  84       controlreply(np, "%-7d %-30s %5d/%5d/%-5d %-15s %-20s - %s", i, serverlist[i].name->content,
  85             servercount[i], ucount, serverlist[i].maxusernum, longtoduration(getnettime() - serverinfo[i].ts, 0),
  86             serverinfo[i].version1 ? serverinfo[i].version1->content : "Unknown",
  87             serverinfo[i].version2 ? serverinfo[i].version2->content : "Unknown");
  88     }
  89   }
  90
  91   controlreply(np, "--- End of list. %d users and %d servers on the net.", acount, scount);
  92
  93   /* update version info for next time */
  94   serverlist_doversion();
  95
  96   return CMD_OK;
  97 }
  98
  99 int serverlist_versionreply(void *source, int cargc, char **cargv) {
 100   int num;
 101
 102   if (cargc < 6)
 103     return CMD_OK;
 104
 105   num = numerictolong(cargv[0], 2);
 106
 107   if (serverinfo[num].used) {
 108     freesstring(serverinfo[num].version1);
 109     freesstring(serverinfo[num].version2);
 110
 111     serverinfo[num].version1 = getsstring(cargv[3], strlen(cargv[3]));
 112     serverinfo[num].version2 = getsstring(cargv[5], strlen(cargv[5]));
 113   }
 114   return CMD_OK;
 115 }
 116
 117 void serverlist_doversion(void) {
 118   int i;
 119   char *num1, *numeric;
 120
 121   if (mynick == NULL)
 122     return;
 123
 124   for (i = 0; i < MAXSERVERS; i++) {
 125     if (serverlist[i].linkstate == LS_LINKED && serverinfo[i].version1 == NULL) {
 126       numeric = longtonumeric(mynick->numeric,5);
 127       num1 = (char*)malloc(strlen(numeric) + 1); /* bleh.. longtonumeric() is using static variables */
 128       strcpy(num1, numeric);
 129
 130       irc_send("%s V :%s", num1, longtonumeric(i,2));
 131       free(num1);
 132     }
 133   }
 134 }
 135
 136 void serverlist_hook_newserver(int hook, void *arg) {
 137   char *num1, *numeric;
 138   long num = (long)arg;
 139
 140   if (mynick == NULL)
 141     return;
 142
 143   serverinfo[num].used = 1;
 144   serverinfo[num].ts = getnettime();
 145   serverinfo[num].version1 = NULL;
 146   serverinfo[num].version2 = NULL;
 147
 148   numeric = longtonumeric(mynick->numeric,5);
 149   num1 = (char*)malloc(strlen(numeric) + 1); /* bleh.. longtonumeric() is using static variables */
 150   strcpy(num1, numeric);
 151
 152   irc_send("%s V :%s", num1, longtonumeric(num,2));
 153
 154   free(num1);
 155 }
 156
 157 void serverlist_hook_lostserver(int hook, void *arg) {
 158   long num = (long)arg;
 159
 160   serverinfo[num].used = 0;
 161   freesstring(serverinfo[num].version1);
 162   freesstring(serverinfo[num].version2);
 163 }
 164