2 * ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).
3 * monitor.c - Code for server-side notify lists
5 * Copyright (C) 2005 Lee Hardy <lee -at- leeh.co.uk>
6 * Copyright (C) 2005 ircd-ratbox development team
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
12 * 1.Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 * 2.Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3.The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
32 * $Id: monitor.c 3520 2007-06-30 22:15:35Z jilles $
41 static rb_dlink_list monitorTable
[MONITOR_HASH_SIZE
];
42 static rb_bh
*monitor_heap
;
47 monitor_heap
= rb_bh_create(sizeof(struct monitor
), MONITOR_HEAP_SIZE
, "monitor_heap");
50 static inline unsigned int
51 hash_monitor_nick(const char *name
)
53 return fnv_hash_upper((const unsigned char *)name
, MONITOR_HASH_BITS
);
57 find_monitor(const char *name
, int add
)
59 struct monitor
*monptr
;
62 unsigned int hashv
= hash_monitor_nick(name
);
64 RB_DLINK_FOREACH(ptr
, monitorTable
[hashv
].head
)
67 if(!irccmp(monptr
->name
, name
))
73 monptr
= rb_bh_alloc(monitor_heap
);
74 rb_strlcpy(monptr
->name
, name
, sizeof(monptr
->name
));
75 monptr
->hashv
= hashv
;
77 rb_dlinkAdd(monptr
, &monptr
->node
, &monitorTable
[hashv
]);
85 free_monitor(struct monitor
*monptr
)
87 if (rb_dlink_list_length(&monptr
->users
) > 0)
90 rb_dlinkDelete(&monptr
->node
, &monitorTable
[monptr
->hashv
]);
91 rb_bh_free(monitor_heap
, monptr
);
96 * inputs - client who has just connected
98 * side effects - notifies any clients monitoring this nickname that it has
99 * connected to the network
102 monitor_signon(struct Client
*client_p
)
104 char buf
[USERHOST_REPLYLEN
];
105 struct monitor
*monptr
= find_monitor(client_p
->name
, 0);
107 /* noones watching this nick */
111 rb_snprintf(buf
, sizeof(buf
), "%s!%s@%s", client_p
->name
, client_p
->username
, client_p
->host
);
113 sendto_monitor(monptr
, form_str(RPL_MONONLINE
), me
.name
, "*", buf
);
118 * inputs - client who is exiting
120 * side effects - notifies any clients monitoring this nickname that it has
124 monitor_signoff(struct Client
*client_p
)
126 struct monitor
*monptr
= find_monitor(client_p
->name
, 0);
128 /* noones watching this nick */
132 sendto_monitor(monptr
, form_str(RPL_MONOFFLINE
), me
.name
, "*",
137 clear_monitor(struct Client
*client_p
)
139 struct monitor
*monptr
;
140 rb_dlink_node
*ptr
, *next_ptr
;
142 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->localClient
->monitor_list
.head
)
146 rb_dlinkFindDestroy(client_p
, &monptr
->users
);
147 rb_free_rb_dlink_node(ptr
);
149 free_monitor(monptr
);
152 client_p
->localClient
->monitor_list
.head
= client_p
->localClient
->monitor_list
.tail
= NULL
;
153 client_p
->localClient
->monitor_list
.length
= 0;