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root/svn/ircd-hybrid/modules/m_ison.c
Revision: 1028
Committed: Sun Nov 8 13:03:38 2009 UTC (14 years, 4 months ago) by michael
Content type: text/x-csrc
File size: 3394 byte(s)
Log Message:
- move ircd-hybrid-7.2 to trunk

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_ison.c: Provides a single line answer of whether a user is online.
4 *
5 * Copyright (C) 2002 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25 #include "stdinc.h"
26 #include "handlers.h"
27 #include "client.h"
28 #include "irc_string.h"
29 #include "sprintf_irc.h"
30 #include "ircd.h"
31 #include "numeric.h"
32 #include "send.h"
33 #include "msg.h"
34 #include "parse.h"
35 #include "modules.h"
36 #include "s_conf.h" /* ConfigFileEntry */
37
38 static void do_ison(struct Client *, struct Client *, int, char *[]);
39 static void m_ison(struct Client *, struct Client *, int, char *[]);
40
41 struct Message ison_msgtab = {
42 "ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
43 {m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore}
44 };
45
46 #ifndef STATIC_MODULES
47 void
48 _modinit(void)
49 {
50 mod_add_cmd(&ison_msgtab);
51 }
52
53 void
54 _moddeinit(void)
55 {
56 mod_del_cmd(&ison_msgtab);
57 }
58 const char *_version = "$Revision$";
59 #endif
60
61
62
63 /*
64 * m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
65 * with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
66 * clients. Designed to reduce number of whois requests. Can process
67 * nicknames in batches as long as the maximum buffer length.
68 *
69 * format:
70 * ISON :nicklist
71 */
72 static void
73 m_ison(struct Client *client_p, struct Client *source_p,
74 int parc, char *parv[])
75 {
76 do_ison(client_p, source_p, parc, parv);
77 }
78
79 static void
80 do_ison(struct Client *client_p, struct Client *source_p,
81 int parc, char *parv[])
82 {
83 struct Client *target_p = NULL;
84 char *nick;
85 char *p = NULL;
86 char *current_insert_point = NULL;
87 char buf[IRCD_BUFSIZE];
88 int len;
89 int i;
90 int done = 0;
91
92 len = ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
93 current_insert_point = buf + len;
94
95 /*
96 * rfc1459 is ambigious about how to handle ISON
97 * this should handle both interpretations.
98 */
99 for (i = 1; i < parc; i++)
100 {
101 for (nick = strtoken(&p, parv[i], " "); nick;
102 nick = strtoken(&p, NULL, " "))
103 {
104 if ((target_p = find_person(client_p, nick)))
105 {
106 len = strlen(target_p->name);
107
108 if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
109 {
110 memcpy(current_insert_point, target_p->name, len);
111 current_insert_point += len;
112 *current_insert_point++ = ' ';
113 }
114 else
115 {
116 done = 1;
117 break;
118 }
119 }
120 }
121
122 if (done)
123 break;
124 }
125
126 /*
127 * current_insert_point--;
128 * Do NOT take out the trailing space, it breaks ircII
129 * --Rodder
130 */
131 *current_insert_point = '\0';
132
133 sendto_one(source_p, "%s", buf);
134 }

Properties

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svn:eol-style native
svn:keywords Id Revision