de7cf7e009
now connid's are allocated on demand and clients may have as many connid's as necessary. this allows us to build chains of helpers while ensuring the ircd properly tracks and GCs the resources.
103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* hash.h: A header for the ircd hashtable code.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2004 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#ifndef INCLUDED_hash_h
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#define INCLUDED_hash_h
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#include "rb_dictionary.h"
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#include "rb_radixtree.h"
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extern rb_dictionary *nd_dict;
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extern rb_radixtree *resv_tree;
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extern rb_radixtree *channel_tree;
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/* Magic value for FNV hash functions */
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#define FNV1_32_INIT 0x811c9dc5UL
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/* Client hash table size, used in hash.c/s_debug.c */
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#define U_MAX_BITS 17
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#define U_MAX 131072 /* 2^17 */
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/* Client connid hash table size, used in hash.c */
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#define CLI_CONNID_MAX 4096
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/* Channel hash table size, hash.c/s_debug.c */
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#define CH_MAX_BITS 16
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#define CH_MAX 65536 /* 2^16 */
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/* hostname hash table size */
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#define HOST_MAX_BITS 17
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#define HOST_MAX 131072 /* 2^17 */
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/* RESV/XLINE hash table size, used in hash.c */
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#define R_MAX_BITS 10
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#define R_MAX 1024 /* 2^10 */
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#define HASH_WALK(i, max, ptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH(ptr, table[i].head)
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#define HASH_WALK_SAFE(i, max, ptr, nptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH_SAFE(ptr, nptr, table[i].head)
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#define HASH_WALK_END }
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struct Client;
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struct Channel;
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struct ConfItem;
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struct cachefile;
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struct nd_entry;
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extern uint32_t fnv_hash_upper(const unsigned char *s, int bits);
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extern uint32_t fnv_hash(const unsigned char *s, int bits);
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extern uint32_t fnv_hash_len(const unsigned char *s, int bits, int len);
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extern uint32_t fnv_hash_upper_len(const unsigned char *s, int bits, int len);
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extern void init_hash(void);
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extern void add_to_client_hash(const char *name, struct Client *client);
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extern void del_from_client_hash(const char *name, struct Client *client);
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extern struct Client *find_client(const char *name);
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extern struct Client *find_named_client(const char *name);
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extern struct Client *find_server(struct Client *source_p, const char *name);
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extern void add_to_id_hash(const char *, struct Client *);
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extern void del_from_id_hash(const char *name, struct Client *client);
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extern struct Client *find_id(const char *name);
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extern struct Channel *get_or_create_channel(struct Client *client_p, const char *chname, int *isnew);
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extern void del_from_channel_hash(const char *name, struct Channel *chan);
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extern struct Channel *find_channel(const char *name);
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extern void add_to_hostname_hash(const char *, struct Client *);
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extern void del_from_hostname_hash(const char *, struct Client *);
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extern rb_dlink_node *find_hostname(const char *);
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extern void add_to_resv_hash(const char *name, struct ConfItem *aconf);
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extern void del_from_resv_hash(const char *name, struct ConfItem *aconf);
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extern struct ConfItem *hash_find_resv(const char *name);
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extern void clear_resv_hash(void);
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void add_to_cli_connid_hash(struct Client *client_p, uint32_t id);
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void del_from_cli_connid_hash(uint32_t id);
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struct Client *find_cli_connid_hash(uint32_t connid);
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#endif /* INCLUDED_hash_h */
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