mirror of
https://github.com/matrix-construct/construct
synced 2024-10-30 10:28:55 +01:00
219 lines
5.5 KiB
C
219 lines
5.5 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_map.c: Sends an Undernet compatible map to a user.
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*
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* Copyright (C) 2002 by the past and present ircd coders, and others.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "stdinc.h"
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#include "client.h"
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#include "modules.h"
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#include "numeric.h"
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#include "send.h"
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#include "s_conf.h"
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#include "scache.h"
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#define USER_COL 50 /* display | Users: %d at col 50 */
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static const char map_desc[] = "Provides the MAP command to view network topology information";
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static void m_map(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
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static void mo_map(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
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struct Message map_msgtab = {
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"MAP", 0, 0, 0, 0,
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{mg_unreg, {m_map, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_map, 0}}
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};
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mapi_clist_av1 map_clist[] = { &map_msgtab, NULL };
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DECLARE_MODULE_AV2(map, NULL, NULL, map_clist, NULL, NULL, NULL, NULL, map_desc);
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static void dump_map(struct Client *client_p, struct Client *root, char *pbuf);
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static void flattened_map(struct Client *client_p);
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static char buf[BUFSIZE];
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/* m_map
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*/
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static void
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m_map(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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if((!IsExemptShide(source_p) && ConfigServerHide.flatten_links) ||
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ConfigFileEntry.map_oper_only)
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{
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flattened_map(client_p);
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sendto_one_numeric(client_p, RPL_MAPEND, form_str(RPL_MAPEND));
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return;
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}
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dump_map(client_p, &me, buf);
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sendto_one_numeric(client_p, RPL_MAPEND, form_str(RPL_MAPEND));
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}
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/*
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** mo_map
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*/
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static void
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mo_map(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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dump_map(client_p, &me, buf);
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scache_send_missing(client_p);
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sendto_one_numeric(client_p, RPL_MAPEND, form_str(RPL_MAPEND));
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}
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/*
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** dump_map
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** dumps server map, called recursively.
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*/
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static void
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dump_map(struct Client *client_p, struct Client *root_p, char *pbuf)
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{
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int cnt = 0, i = 0, len, frac;
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struct Client *server_p;
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rb_dlink_node *ptr;
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*pbuf = '\0';
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rb_strlcat(pbuf, root_p->name, BUFSIZE);
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if (has_id(root_p))
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{
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rb_strlcat(pbuf, "[", BUFSIZE);
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rb_strlcat(pbuf, root_p->id, BUFSIZE);
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rb_strlcat(pbuf, "]", BUFSIZE);
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}
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len = strlen(buf);
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buf[len] = ' ';
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if(len < USER_COL)
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{
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for (i = len + 1; i < USER_COL; i++)
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{
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buf[i] = '-';
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}
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}
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frac = (1000 * rb_dlink_list_length(&root_p->serv->users) + Count.total / 2) / Count.total;
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snprintf(buf + USER_COL, BUFSIZE - USER_COL,
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" | Users: %5lu (%2d.%1d%%)", rb_dlink_list_length(&root_p->serv->users),
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frac / 10, frac % 10);
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sendto_one_numeric(client_p, RPL_MAP, form_str(RPL_MAP), buf);
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if(root_p->serv->servers.head != NULL)
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{
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cnt += rb_dlink_list_length(&root_p->serv->servers);
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if(cnt)
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{
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if(pbuf > buf + 3)
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{
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pbuf[-2] = ' ';
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if(pbuf[-3] == '`')
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pbuf[-3] = ' ';
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}
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}
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}
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i = 1;
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RB_DLINK_FOREACH(ptr, root_p->serv->servers.head)
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{
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server_p = ptr->data;
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*pbuf = ' ';
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if(i < cnt)
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*(pbuf + 1) = '|';
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else
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*(pbuf + 1) = '`';
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*(pbuf + 2) = '-';
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*(pbuf + 3) = ' ';
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dump_map(client_p, server_p, pbuf + 4);
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i++;
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}
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}
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/*
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* flattened_map - display a version of map that doesn't give away routing
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* information to users when flattened links is enabled.
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*/
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static void
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flattened_map(struct Client *client_p)
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{
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char buf[BUFSIZE];
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rb_dlink_node *ptr;
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struct Client *target_p;
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int i, len;
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unsigned long cnt = 0;
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/* First display me as the root */
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rb_strlcpy(buf, me.name, BUFSIZE);
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len = strlen(buf);
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buf[len] = ' ';
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if(len < USER_COL)
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{
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for (i = len + 1; i < USER_COL; i++)
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{
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buf[i] = '-';
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}
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}
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snprintf(buf + USER_COL, BUFSIZE - USER_COL,
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" | Users: %5lu (%4.1f%%)", rb_dlink_list_length(&me.serv->users),
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100 * (float) rb_dlink_list_length(&me.serv->users) / (float) Count.total);
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sendto_one_numeric(client_p, RPL_MAP, form_str(RPL_MAP), buf);
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/* Next, we run through every other server and list them */
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RB_DLINK_FOREACH(ptr, global_serv_list.head)
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{
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target_p = ptr->data;
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cnt++;
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/* Skip ourselves, it's already counted */
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if(IsMe(target_p))
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continue;
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/* if we're hidden, go on to the next leaf */
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if(!ConfigServerHide.disable_hidden && IsHidden(target_p))
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continue;
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if (cnt == rb_dlink_list_length(&global_serv_list))
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rb_strlcpy(buf, " `- ", BUFSIZE);
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else
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rb_strlcpy(buf, " |- ", BUFSIZE);
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rb_strlcat(buf, target_p->name, BUFSIZE);
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len = strlen(buf);
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buf[len] = ' ';
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if(len < USER_COL)
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{
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for (i = len + 1; i < USER_COL; i++)
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{
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buf[i] = '-';
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}
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}
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snprintf(buf + USER_COL, BUFSIZE - USER_COL,
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" | Users: %5lu (%4.1f%%)", rb_dlink_list_length(&target_p->serv->users),
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100 * (float) rb_dlink_list_length(&target_p->serv->users) / (float) Count.total);
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sendto_one_numeric(client_p, RPL_MAP, form_str(RPL_MAP), buf);
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}
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}
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