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root/svn/ircd-hybrid/branches/8.2.x/include/ipcache.h
Revision: 4564
Committed: Sun Aug 24 10:24:47 2014 UTC (9 years, 7 months ago) by michael
Content type: text/x-chdr
File size: 1915 byte(s)
Log Message:
- Update GPL 2 license headers

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 1997-2014 ircd-hybrid development team
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19 * USA
20 */
21
22 /*! \file ipcache.h
23 * \brief Routines to count connections from particular IP addresses.
24 * \version $Id$
25 */
26
27 #ifndef INCLUDED_ipcache_h
28 #define INCLUDED_ipcache_h
29 #include "ircd_defs.h"
30
31 /*
32 * Usually, with hash tables, you use a prime number...
33 * but in this case I am dealing with ip addresses,
34 * not ascii strings.
35 */
36 #define IP_HASH_SIZE 0x1000
37
38 struct ip_entry
39 {
40 dlink_node node; /**< Doubly linked list node */
41 struct irc_ssaddr ip; /**< Holds an IPv6 or IPv4 address */
42 unsigned int count; /**< Number of registered users using this IP */
43 unsigned int connection_count; /**< Number of connections from this IP in the last throttle_time duration */
44 time_t last_attempt; /**< The last time someone connected from this IP */
45 };
46
47 extern struct ip_entry *ipcache_find_or_add_address(struct irc_ssaddr *);
48 extern void ipcache_remove_address(struct irc_ssaddr *);
49 extern void ipcache_get_stats(unsigned int *const, uint64_t *const);
50 extern void ipcache_init(void);
51 #endif

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