ircd-hybrid/modules/m_ison.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_ison.c: Provides a single line answer of whether a user is online.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 *
 *  $Id$
 */

#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "conf/modules.h"
#include "s_conf.h" /* ConfigFileEntry */

static void do_ison(struct Client *, struct Client *, int, char *[]);
static void m_ison(struct Client *, struct Client *, int, char *[]);

struct Message ison_msgtab = {
  "ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
  { m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore }
};

INIT_MODULE(m_ison, "$Revision$")
{
  mod_add_cmd(&ison_msgtab);
}

CLEANUP_MODULE
{
  mod_del_cmd(&ison_msgtab);
}

/*
 * m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
 * with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
 * clients. Designed to reduce number of whois requests. Can process
 * nicknames in batches as long as the maximum buffer length.
 *
 * format:
 * ISON :nicklist
 */
static void
m_ison(struct Client *client_p, struct Client *source_p,
       int parc, char *parv[])
{
  do_ison(client_p, source_p, parc, parv);
}

static void
do_ison(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  struct Client *target_p = NULL;
  char *nick;
  char *p;
  char *current_insert_point = NULL;
  char buf[IRCD_BUFSIZE];
  int len;
  int i;
  int done = 0;

  len = ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
  current_insert_point = buf + len;

  /* rfc1459 is ambigious about how to handle ISON
   * this should handle both interpretations.
   */
  for (i = 1; i < parc; i++)
  {
    for (nick = strtoken(&p, parv[i], " "); nick;
         nick = strtoken(&p, NULL,    " "))
    {
      if ((target_p = find_person(client_p, nick)))
      {
        len = strlen(target_p->name);

        if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
        {
          memcpy(current_insert_point, target_p->name, len);
          current_insert_point += len;
          *current_insert_point++ = ' ';
        }
        else
        {
          done = 1;
          break;
        }
      }
    }

    if (done)
      break;
  }

  /*  current_insert_point--;
   *  Do NOT take out the trailing space, it breaks ircII
   *  --Rodder
   */

  *current_insert_point = '\0';

  sendto_one(source_p, "%s", buf);
}
Revision:	470
Committed:	Fri Feb 17 05:07:43 2006 UTC (19 years, 6 months ago) by db
Content type:	text/x-csrc
File size:	3273 byte(s)
Log Message:	- fix compile errors with moved modules.h - fix a few missing includes, msg.h and parse.h
#	User	Rev	Content
1	adx	30	/*
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	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26			#include "handlers.h"
27			#include "client.h"
28			#include "ircd.h"
29			#include "numeric.h"
30			#include "send.h"
31			#include "msg.h"
32			#include "parse.h"
33	db	470	#include "conf/modules.h"
34	adx	30	#include "s_conf.h" /* ConfigFileEntry */
35
36	michael	398	static void do_ison(struct Client , struct Client , int, char *[]);
37	adx	30	static void m_ison(struct Client , struct Client , int, char *[]);
38
39			struct Message ison_msgtab = {
40			"ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
41	michael	398	{ m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore }
42	adx	30	};
43
44	adx	442	INIT_MODULE(m_ison, "$Revision$")
45	adx	30	{
46			mod_add_cmd(&ison_msgtab);
47			}
48
49	adx	442	CLEANUP_MODULE
50	adx	30	{
51			mod_del_cmd(&ison_msgtab);
52			}
53	michael	398
54	adx	30	/*
55			* m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
56			* with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
57			* clients. Designed to reduce number of whois requests. Can process
58			* nicknames in batches as long as the maximum buffer length.
59			*
60			* format:
61			* ISON :nicklist
62			*/
63			static void
64			m_ison(struct Client client_p, struct Client source_p,
65			int parc, char *parv[])
66			{
67	michael	398	do_ison(client_p, source_p, parc, parv);
68	adx	30	}
69
70			static void
71	michael	398	do_ison(struct Client client_p, struct Client source_p,
72	adx	30	int parc, char *parv[])
73			{
74			struct Client *target_p = NULL;
75			char *nick;
76			char *p;
77	michael	398	char *current_insert_point = NULL;
78	adx	30	char buf[IRCD_BUFSIZE];
79			int len;
80			int i;
81			int done = 0;
82
83			len = ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
84			current_insert_point = buf + len;
85
86			/* rfc1459 is ambigious about how to handle ISON
87			* this should handle both interpretations.
88			*/
89			for (i = 1; i < parc; i++)
90			{
91			for (nick = strtoken(&p, parv[i], " "); nick;
92	michael	398	nick = strtoken(&p, NULL, " "))
93	adx	30	{
94			if ((target_p = find_person(client_p, nick)))
95			{
96			len = strlen(target_p->name);
97
98			if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
99			{
100			memcpy(current_insert_point, target_p->name, len);
101			current_insert_point += len;
102			*current_insert_point++ = ' ';
103			}
104			else
105			{
106			done = 1;
107			break;
108			}
109			}
110			}
111
112			if (done)
113			break;
114			}
115
116			/* current_insert_point--;
117			* Do NOT take out the trailing space, it breaks ircII
118	michael	398	* --Rodder
119			*/
120	adx	30
121	michael	398	*current_insert_point = '\0';
122
123			sendto_one(source_p, "%s", buf);
124	adx	30	}