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construct/include/hash.h
jilles f42e9cebee [svn] Remove hash_find_masked_server(), which made it possible
to specify the full (unmasked) name of a server behind
a hostmask. As a result find_any_client() (for prefixes)
becomes equal to find_client(), so remove that too.
2007-01-31 16:19:14 -08:00

109 lines
4 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* hash.h: A header for the ircd hashtable code.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2004 ircd-ratbox development team
*
* 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: hash.h 3177 2007-02-01 00:19:14Z jilles $
*/
#ifndef INCLUDED_hash_h
#define INCLUDED_hash_h
#include "tools.h"
extern dlink_list *clientTable;
extern dlink_list *channelTable;
extern dlink_list *idTable;
extern dlink_list *resvTable;
extern dlink_list *hostTable;
extern dlink_list *helpTable;
extern dlink_list *ndTable;
/* Magic value for FNV hash functions */
#define FNV1_32_INIT 0x811c9dc5UL
/* Client hash table size, used in hash.c/s_debug.c */
#define U_MAX_BITS (32-17)
#define U_MAX 131072 /* 2^17 */
/* Channel hash table size, hash.c/s_debug.c */
#define CH_MAX_BITS (32-16)
#define CH_MAX 65536 /* 2^16 */
/* hostname hash table size */
#define HOST_MAX_BITS (32-17)
#define HOST_MAX 131072 /* 2^17 */
/* RESV/XLINE hash table size, used in hash.c */
#define R_MAX_BITS (32-10)
#define R_MAX 1024 /* 2^10 */
#define HASH_WALK(i, max, ptr, table) for (i = 0; i < max; i++) { DLINK_FOREACH(ptr, table[i].head)
#define HASH_WALK_SAFE(i, max, ptr, nptr, table) for (i = 0; i < max; i++) { DLINK_FOREACH_SAFE(ptr, nptr, table[i].head)
#define HASH_WALK_END }
struct Client;
struct Channel;
struct ConfItem;
struct cachefile;
struct nd_entry;
extern u_int32_t fnv_hash_upper(const unsigned char *s, int bits);
extern u_int32_t fnv_hash(const unsigned char *s, int bits);
extern u_int32_t fnv_hash_len(const unsigned char *s, int bits, int len);
extern u_int32_t fnv_hash_upper_len(const unsigned char *s, int bits, int len);
extern void init_hash(void);
extern void add_to_client_hash(const char *name, struct Client *client);
extern void del_from_client_hash(const char *name, struct Client *client);
extern struct Client *find_client(const char *name);
extern struct Client *find_named_client(const char *name);
extern struct Client *find_server(struct Client *source_p, const char *name);
extern void add_to_id_hash(const char *, struct Client *);
extern void del_from_id_hash(const char *name, struct Client *client);
extern struct Client *find_id(const char *name);
extern struct Channel *get_or_create_channel(struct Client *client_p, const char *chname, int *isnew);
extern void del_from_channel_hash(const char *name, struct Channel *chan);
extern struct Channel *find_channel(const char *name);
extern void add_to_hostname_hash(const char *, struct Client *);
extern void del_from_hostname_hash(const char *, struct Client *);
extern dlink_node *find_hostname(const char *);
extern void add_to_resv_hash(const char *name, struct ConfItem *aconf);
extern void del_from_resv_hash(const char *name, struct ConfItem *aconf);
extern struct ConfItem *hash_find_resv(const char *name);
extern void clear_resv_hash(void);
extern void add_to_help_hash(const char *name, struct cachefile *hptr);
extern void clear_help_hash(void);
extern struct cachefile *hash_find_help(const char *name, int flags);
extern void add_to_nd_hash(const char *name, struct nd_entry *nd);
extern struct nd_entry *hash_find_nd(const char *name);
extern void hash_stats(struct Client *);
#endif /* INCLUDED_hash_h */