hash.{h,c} from ratbox3, let's work around them! xD
This commit is contained in:
Valery Yatsko
parent
fd1e24eccb
commit
85958381ad
2 changed files with 885 additions and 834 deletions
|
|
@ -4,7 +4,7 @@
|
|||
*
|
||||
* 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
|
||||
* Copyright (C) 2002-2005 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
|
||||
|
|
@ -18,86 +18,96 @@
|
|||
*
|
||||
* 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
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
|
||||
* USA
|
||||
*
|
||||
* $Id: hash.h 3177 2007-02-01 00:19:14Z jilles $
|
||||
* $Id: hash.h 24794 2007-12-28 02:36:59Z androsyn $
|
||||
*/
|
||||
|
||||
#ifndef INCLUDED_hash_h
|
||||
#define INCLUDED_hash_h
|
||||
|
||||
struct Dictionary;
|
||||
|
||||
extern rb_dlink_list *clientTable;
|
||||
extern rb_dlink_list *channelTable;
|
||||
extern rb_dlink_list *idTable;
|
||||
extern rb_dlink_list *resvTable;
|
||||
extern rb_dlink_list *hostTable;
|
||||
extern rb_dlink_list *helpTable;
|
||||
|
||||
extern struct Dictionary *nd_dict;
|
||||
extern rb_dlink_list resvTable[];
|
||||
extern rb_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 17
|
||||
#define U_MAX 131072 /* 2^17 */
|
||||
#define U_MAX (1<<U_MAX_BITS)
|
||||
|
||||
/* Client fd hash table size, used in hash.c */
|
||||
#define CLI_FD_MAX 4096
|
||||
|
||||
/* Channel hash table size, hash.c/s_debug.c */
|
||||
#define CH_MAX_BITS 16
|
||||
#define CH_MAX 65536 /* 2^16 */
|
||||
#define CH_MAX (1<<CH_MAX_BITS) /* 2^16 */
|
||||
|
||||
/* hostname hash table size */
|
||||
#define HOST_MAX_BITS 17
|
||||
#define HOST_MAX 131072 /* 2^17 */
|
||||
#define HOST_MAX (1<<HOST_MAX_BITS) /* 2^17 */
|
||||
|
||||
/* RESV/XLINE hash table size, used in hash.c */
|
||||
#define R_MAX_BITS 10
|
||||
#define R_MAX 1024 /* 2^10 */
|
||||
#define R_MAX (1<<R_MAX_BITS) /* 2^10 */
|
||||
|
||||
|
||||
#define HASH_WALK(i, max, ptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH(ptr, table[i].head)
|
||||
#define HASH_WALK_SAFE(i, max, ptr, nptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH_SAFE(ptr, nptr, table[i].head)
|
||||
#define HASH_WALK_END }
|
||||
|
||||
typedef enum
|
||||
{
|
||||
HASH_CLIENT,
|
||||
HASH_ID,
|
||||
HASH_CHANNEL,
|
||||
HASH_HOSTNAME,
|
||||
HASH_RESV
|
||||
} hash_type;
|
||||
|
||||
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);
|
||||
uint32_t fnv_hash_upper(const unsigned char *s, unsigned int bits, unsigned int unused);
|
||||
uint32_t fnv_hash(const unsigned char *s, unsigned int bits, unsigned int unused);
|
||||
uint32_t fnv_hash_len(const unsigned char *s, unsigned int bits, unsigned int len);
|
||||
uint32_t fnv_hash_upper_len(const unsigned char *s, unsigned int bits, unsigned int len);
|
||||
|
||||
extern void init_hash(void);
|
||||
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);
|
||||
void add_to_hash(hash_type, const char *, void *);
|
||||
void del_from_hash(hash_type, const char *, void *);
|
||||
|
||||
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);
|
||||
struct Client *find_any_client(const char *name);
|
||||
struct Client *find_client(const char *name);
|
||||
struct Client *find_named_client(const char *name);
|
||||
struct Client *find_server(struct Client *source_p, 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);
|
||||
struct Client *find_id(const char *name);
|
||||
|
||||
extern void add_to_hostname_hash(const char *, struct Client *);
|
||||
extern void del_from_hostname_hash(const char *, struct Client *);
|
||||
extern rb_dlink_node *find_hostname(const char *);
|
||||
struct Channel *get_or_create_channel(struct Client *client_p, const char *chname, int *isnew);
|
||||
struct Channel *find_channel(const char *name);
|
||||
|
||||
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);
|
||||
rb_dlink_node *find_hostname(const char *);
|
||||
|
||||
extern void hash_stats(struct Client *);
|
||||
struct ConfItem *hash_find_resv(const char *name);
|
||||
void clear_resv_hash(void);
|
||||
|
||||
void add_to_help_hash(const char *name, struct cachefile *hptr);
|
||||
void clear_help_hash(void);
|
||||
struct cachefile *hash_find_help(const char *name, int flags);
|
||||
|
||||
void add_to_nd_hash(const char *name, struct nd_entry *nd);
|
||||
struct nd_entry *hash_find_nd(const char *name);
|
||||
|
||||
void add_to_cli_fd_hash(struct Client *client_p);
|
||||
void del_from_cli_fd_hash(struct Client *client_p);
|
||||
struct Client *find_cli_fd_hash(int fd);
|
||||
|
||||
void hash_stats(struct Client *);
|
||||
|
||||
#endif /* INCLUDED_hash_h */
|
||||
|
|
|
|||
541
src/hash.c
541
src/hash.c
|
|
@ -18,36 +18,39 @@
|
|||
*
|
||||
* 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
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
|
||||
* USA
|
||||
*
|
||||
* $Id: hash.c 3177 2007-02-01 00:19:14Z jilles $
|
||||
* $Id: hash.c 25119 2008-03-13 16:57:05Z androsyn $
|
||||
*/
|
||||
|
||||
#include "stdinc.h"
|
||||
#include "ircd_defs.h"
|
||||
#include "s_conf.h"
|
||||
#include "channel.h"
|
||||
#include "client.h"
|
||||
#include "common.h"
|
||||
#include "hash.h"
|
||||
#include "irc_string.h"
|
||||
#include "ircd.h"
|
||||
#include "numeric.h"
|
||||
#include "send.h"
|
||||
#include "msg.h"
|
||||
#include "cache.h"
|
||||
#include "s_newconf.h"
|
||||
|
||||
rb_dlink_list *clientTable;
|
||||
rb_dlink_list *channelTable;
|
||||
rb_dlink_list *idTable;
|
||||
rb_dlink_list *resvTable;
|
||||
rb_dlink_list *hostTable;
|
||||
#define hash_nick(x) (fnv_hash_upper((const unsigned char *)(x), U_MAX_BITS, 0))
|
||||
#define hash_id(x) (fnv_hash((const unsigned char *)(x), U_MAX_BITS, 0))
|
||||
#define hash_channel(x) (fnv_hash_upper_len((const unsigned char *)(x), CH_MAX_BITS, 30))
|
||||
#define hash_hostname(x) (fnv_hash_upper_len((const unsigned char *)(x), HOST_MAX_BITS, 30))
|
||||
#define hash_resv(x) (fnv_hash_upper_len((const unsigned char *)(x), R_MAX_BITS, 30))
|
||||
#define hash_cli_fd(x) (x % CLI_FD_MAX)
|
||||
|
||||
/*
|
||||
* look in whowas.c for the missing ...[WW_MAX]; entry
|
||||
*/
|
||||
|
||||
static rb_dlink_list clientbyfdTable[U_MAX];
|
||||
static rb_dlink_list clientTable[U_MAX];
|
||||
static rb_dlink_list channelTable[CH_MAX];
|
||||
static rb_dlink_list idTable[U_MAX];
|
||||
rb_dlink_list resvTable[R_MAX];
|
||||
static rb_dlink_list hostTable[HOST_MAX];
|
||||
static rb_dlink_list helpTable[HELP_MAX];
|
||||
rb_dlink_list ndTable[U_MAX];
|
||||
|
||||
/*
|
||||
* Hashing.
|
||||
|
|
@ -89,287 +92,162 @@ rb_dlink_list *hostTable;
|
|||
void
|
||||
init_hash(void)
|
||||
{
|
||||
clientTable = rb_malloc(sizeof(rb_dlink_list) * U_MAX);
|
||||
idTable = rb_malloc(sizeof(rb_dlink_list) * U_MAX);
|
||||
channelTable = rb_malloc(sizeof(rb_dlink_list) * CH_MAX);
|
||||
hostTable = rb_malloc(sizeof(rb_dlink_list) * HOST_MAX);
|
||||
resvTable = rb_malloc(sizeof(rb_dlink_list) * R_MAX);
|
||||
/* nothing to do here */
|
||||
}
|
||||
|
||||
#ifndef RICER_HASHING
|
||||
u_int32_t
|
||||
fnv_hash_upper(const unsigned char *s, int bits)
|
||||
{
|
||||
u_int32_t h = FNV1_32_INIT;
|
||||
|
||||
uint32_t
|
||||
fnv_hash_upper(const unsigned char *s, unsigned int bits, unsigned int unused)
|
||||
{
|
||||
uint32_t h = FNV1_32_INIT;
|
||||
bits = 32 - bits;
|
||||
while (*s)
|
||||
{
|
||||
h ^= ToUpper(*s++);
|
||||
h += (h<<1) + (h<<4) + (h<<7) + (h << 8) + (h << 24);
|
||||
}
|
||||
if (bits < 32)
|
||||
h = ((h >> bits) ^ h) & ((1<<bits)-1);
|
||||
h = (h >> bits) ^ (h & ((2^bits)-1));
|
||||
return h;
|
||||
}
|
||||
|
||||
u_int32_t
|
||||
fnv_hash(const unsigned char *s, int bits)
|
||||
uint32_t
|
||||
fnv_hash(const unsigned char *s, unsigned int bits, unsigned int unused)
|
||||
{
|
||||
u_int32_t h = FNV1_32_INIT;
|
||||
|
||||
uint32_t h = FNV1_32_INIT;
|
||||
bits = 32 - bits;
|
||||
while (*s)
|
||||
{
|
||||
h ^= *s++;
|
||||
h += (h<<1) + (h<<4) + (h<<7) + (h << 8) + (h << 24);
|
||||
}
|
||||
if (bits < 32)
|
||||
h = ((h >> bits) ^ h) & ((1<<bits)-1);
|
||||
h = (h >> bits) ^ (h & ((2^bits)-1));
|
||||
return h;
|
||||
}
|
||||
|
||||
u_int32_t
|
||||
fnv_hash_len(const unsigned char *s, int bits, int len)
|
||||
uint32_t
|
||||
fnv_hash_len(const unsigned char *s, unsigned int bits, unsigned int len)
|
||||
{
|
||||
u_int32_t h = FNV1_32_INIT;
|
||||
uint32_t h = FNV1_32_INIT;
|
||||
bits = 32 - bits;
|
||||
const unsigned char *x = s + len;
|
||||
while (*s && s < x)
|
||||
{
|
||||
h ^= *s++;
|
||||
h += (h<<1) + (h<<4) + (h<<7) + (h << 8) + (h << 24);
|
||||
}
|
||||
if (bits < 32)
|
||||
h = ((h >> bits) ^ h) & ((1<<bits)-1);
|
||||
h = (h >> bits) ^ (h & ((2^bits)-1));
|
||||
return h;
|
||||
}
|
||||
|
||||
u_int32_t
|
||||
fnv_hash_upper_len(const unsigned char *s, int bits, int len)
|
||||
uint32_t
|
||||
fnv_hash_upper_len(const unsigned char *s, unsigned int bits, unsigned int len)
|
||||
{
|
||||
u_int32_t h = FNV1_32_INIT;
|
||||
uint32_t h = FNV1_32_INIT;
|
||||
bits = 32 - bits;
|
||||
const unsigned char *x = s + len;
|
||||
while (*s && s < x)
|
||||
{
|
||||
h ^= ToUpper(*s++);
|
||||
h += (h<<1) + (h<<4) + (h<<7) + (h << 8) + (h << 24);
|
||||
}
|
||||
if (bits < 32)
|
||||
h = ((h >> bits) ^ h) & ((1<<bits)-1);
|
||||
h = (h >> bits) ^ (h & ((2^bits)-1));
|
||||
return h;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* hash_nick()
|
||||
*
|
||||
* hashes a nickname, first converting to lowercase
|
||||
*/
|
||||
static u_int32_t
|
||||
hash_nick(const char *name)
|
||||
static unsigned int
|
||||
hash_help(const char *name)
|
||||
{
|
||||
return fnv_hash_upper((const unsigned char *) name, U_MAX_BITS);
|
||||
unsigned int h = 0;
|
||||
|
||||
while(*name)
|
||||
{
|
||||
h += (unsigned int) (ToLower(*name++) & 0xDF);
|
||||
}
|
||||
|
||||
/* hash_id()
|
||||
*
|
||||
* hashes an id, case is kept
|
||||
*/
|
||||
static u_int32_t
|
||||
hash_id(const char *name)
|
||||
{
|
||||
return fnv_hash((const unsigned char *) name, U_MAX_BITS);
|
||||
return (h % HELP_MAX);
|
||||
}
|
||||
|
||||
/* hash_channel()
|
||||
*
|
||||
* hashes a channel name, based on first 30 chars only for efficiency
|
||||
*/
|
||||
static u_int32_t
|
||||
hash_channel(const char *name)
|
||||
static struct _hash_function
|
||||
{
|
||||
return fnv_hash_upper_len((const unsigned char *) name, CH_MAX_BITS, 30);
|
||||
}
|
||||
uint32_t (*func) (unsigned const char *, unsigned int, unsigned int);
|
||||
rb_dlink_list *table;
|
||||
unsigned int hashbits;
|
||||
unsigned int hashlen;
|
||||
} hash_function[] = {
|
||||
{ fnv_hash_upper, clientTable, U_MAX_BITS, 0 },
|
||||
{ fnv_hash, idTable, U_MAX_BITS, 0 },
|
||||
{ fnv_hash_upper_len, channelTable, CH_MAX_BITS, 30 },
|
||||
{ fnv_hash_upper_len, hostTable, HOST_MAX_BITS, 30 },
|
||||
{ fnv_hash_upper_len, resvTable, R_MAX_BITS, 30 }
|
||||
};
|
||||
|
||||
/* hash_hostname()
|
||||
*
|
||||
* hashes a hostname, based on first 30 chars only, as thats likely to
|
||||
* be more dynamic than rest.
|
||||
*/
|
||||
static u_int32_t
|
||||
hash_hostname(const char *name)
|
||||
{
|
||||
return fnv_hash_upper_len((const unsigned char *) name, HOST_MAX_BITS, 30);
|
||||
}
|
||||
|
||||
/* hash_resv()
|
||||
*
|
||||
* hashes a resv channel name, based on first 30 chars only
|
||||
*/
|
||||
static u_int32_t
|
||||
hash_resv(const char *name)
|
||||
{
|
||||
return fnv_hash_upper_len((const unsigned char *) name, R_MAX_BITS, 30);
|
||||
}
|
||||
|
||||
/* add_to_id_hash()
|
||||
*
|
||||
* adds an entry to the id hash table
|
||||
*/
|
||||
void
|
||||
add_to_id_hash(const char *name, struct Client *client_p)
|
||||
add_to_hash(hash_type type, const char *hashindex, void *pointer)
|
||||
{
|
||||
rb_dlink_list *table = hash_function[type].table;
|
||||
unsigned int hashv;
|
||||
|
||||
if(EmptyString(hashindex) || (pointer == NULL))
|
||||
return;
|
||||
|
||||
hashv = (hash_function[type].func)((const unsigned char *) hashindex,
|
||||
hash_function[type].hashbits,
|
||||
hash_function[type].hashlen);
|
||||
// rb_dlinkAddAlloc(pointer, &hash_function[type].table[hashv]);
|
||||
rb_dlinkAddAlloc(pointer, &table[hashv]);
|
||||
}
|
||||
|
||||
void
|
||||
del_from_hash(hash_type type, const char *hashindex, void *pointer)
|
||||
{
|
||||
rb_dlink_list *table = hash_function[type].table;
|
||||
unsigned int hashv;
|
||||
|
||||
if(EmptyString(hashindex) || (pointer == NULL))
|
||||
return;
|
||||
|
||||
hashv = (hash_function[type].func)((const unsigned char *) hashindex,
|
||||
hash_function[type].hashbits,
|
||||
hash_function[type].hashlen);
|
||||
rb_dlinkFindDestroy(pointer, &table[hashv]);
|
||||
}
|
||||
|
||||
void
|
||||
add_to_help_hash(const char *name, struct cachefile *hptr)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
if(EmptyString(name) || (client_p == NULL))
|
||||
if(EmptyString(name) || hptr == NULL)
|
||||
return;
|
||||
|
||||
hashv = hash_id(name);
|
||||
rb_dlinkAddAlloc(client_p, &idTable[hashv]);
|
||||
hashv = hash_help(name);
|
||||
rb_dlinkAddAlloc(hptr, &helpTable[hashv]);
|
||||
}
|
||||
|
||||
/* add_to_client_hash()
|
||||
*
|
||||
* adds an entry (client/server) to the client hash table
|
||||
*/
|
||||
void
|
||||
add_to_client_hash(const char *name, struct Client *client_p)
|
||||
add_to_nd_hash(const char *name, struct nd_entry *nd)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
s_assert(name != NULL);
|
||||
s_assert(client_p != NULL);
|
||||
if(EmptyString(name) || (client_p == NULL))
|
||||
return;
|
||||
|
||||
hashv = hash_nick(name);
|
||||
rb_dlinkAddAlloc(client_p, &clientTable[hashv]);
|
||||
nd->hashv = hash_nick(name);
|
||||
rb_dlinkAdd(nd, &nd->hnode, &ndTable[nd->hashv]);
|
||||
}
|
||||
|
||||
/* add_to_hostname_hash()
|
||||
*
|
||||
* adds a client entry to the hostname hash table
|
||||
*/
|
||||
void
|
||||
add_to_hostname_hash(const char *hostname, struct Client *client_p)
|
||||
clear_help_hash(void)
|
||||
{
|
||||
unsigned int hashv;
|
||||
rb_dlink_node *ptr;
|
||||
rb_dlink_node *next_ptr;
|
||||
int i;
|
||||
|
||||
s_assert(hostname != NULL);
|
||||
s_assert(client_p != NULL);
|
||||
if(EmptyString(hostname) || (client_p == NULL))
|
||||
return;
|
||||
|
||||
hashv = hash_hostname(hostname);
|
||||
rb_dlinkAddAlloc(client_p, &hostTable[hashv]);
|
||||
HASH_WALK_SAFE(i, HELP_MAX, ptr, next_ptr, helpTable)
|
||||
{
|
||||
free_cachefile(ptr->data);
|
||||
rb_dlinkDestroy(ptr, &helpTable[i]);
|
||||
}
|
||||
HASH_WALK_END
|
||||
}
|
||||
|
||||
/* add_to_resv_hash()
|
||||
*
|
||||
* adds a resv channel entry to the resv hash table
|
||||
*/
|
||||
void
|
||||
add_to_resv_hash(const char *name, struct ConfItem *aconf)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
s_assert(!EmptyString(name));
|
||||
s_assert(aconf != NULL);
|
||||
if(EmptyString(name) || aconf == NULL)
|
||||
return;
|
||||
|
||||
hashv = hash_resv(name);
|
||||
rb_dlinkAddAlloc(aconf, &resvTable[hashv]);
|
||||
}
|
||||
|
||||
/* del_from_id_hash()
|
||||
*
|
||||
* removes an id from the id hash table
|
||||
*/
|
||||
void
|
||||
del_from_id_hash(const char *id, struct Client *client_p)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
s_assert(id != NULL);
|
||||
s_assert(client_p != NULL);
|
||||
if(EmptyString(id) || client_p == NULL)
|
||||
return;
|
||||
|
||||
hashv = hash_id(id);
|
||||
rb_dlinkFindDestroy(client_p, &idTable[hashv]);
|
||||
}
|
||||
|
||||
/* del_from_client_hash()
|
||||
*
|
||||
* removes a client/server from the client hash table
|
||||
*/
|
||||
void
|
||||
del_from_client_hash(const char *name, struct Client *client_p)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
/* no s_asserts, this can happen when removing a client that
|
||||
* is unregistered.
|
||||
*/
|
||||
if(EmptyString(name) || client_p == NULL)
|
||||
return;
|
||||
|
||||
hashv = hash_nick(name);
|
||||
rb_dlinkFindDestroy(client_p, &clientTable[hashv]);
|
||||
}
|
||||
|
||||
/* del_from_channel_hash()
|
||||
*
|
||||
* removes a channel from the channel hash table
|
||||
*/
|
||||
void
|
||||
del_from_channel_hash(const char *name, struct Channel *chptr)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
s_assert(name != NULL);
|
||||
s_assert(chptr != NULL);
|
||||
|
||||
if(EmptyString(name) || chptr == NULL)
|
||||
return;
|
||||
|
||||
hashv = hash_channel(name);
|
||||
rb_dlinkFindDestroy(chptr, &channelTable[hashv]);
|
||||
}
|
||||
|
||||
/* del_from_hostname_hash()
|
||||
*
|
||||
* removes a client entry from the hostname hash table
|
||||
*/
|
||||
void
|
||||
del_from_hostname_hash(const char *hostname, struct Client *client_p)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
if(hostname == NULL || client_p == NULL)
|
||||
return;
|
||||
|
||||
hashv = hash_hostname(hostname);
|
||||
|
||||
rb_dlinkFindDestroy(client_p, &hostTable[hashv]);
|
||||
}
|
||||
|
||||
/* del_from_resv_hash()
|
||||
*
|
||||
* removes a resv entry from the resv hash table
|
||||
*/
|
||||
void
|
||||
del_from_resv_hash(const char *name, struct ConfItem *aconf)
|
||||
{
|
||||
unsigned int hashv;
|
||||
|
||||
s_assert(name != NULL);
|
||||
s_assert(aconf != NULL);
|
||||
if(EmptyString(name) || aconf == NULL)
|
||||
return;
|
||||
|
||||
hashv = hash_resv(name);
|
||||
|
||||
rb_dlinkFindDestroy(aconf, &resvTable[hashv]);
|
||||
}
|
||||
|
||||
/* find_id()
|
||||
*
|
||||
|
|
@ -398,6 +276,79 @@ find_id(const char *name)
|
|||
return NULL;
|
||||
}
|
||||
|
||||
/* hash_find_masked_server()
|
||||
*
|
||||
* Whats happening in this next loop ? Well, it takes a name like
|
||||
* foo.bar.edu and proceeds to earch for *.edu and then *.bar.edu.
|
||||
* This is for checking full server names against masks although
|
||||
* it isnt often done this way in lieu of using matches().
|
||||
*
|
||||
* Rewrote to do *.bar.edu first, which is the most likely case,
|
||||
* also made const correct
|
||||
* --Bleep
|
||||
*/
|
||||
static struct Client *
|
||||
hash_find_masked_server(struct Client *source_p, const char *name)
|
||||
{
|
||||
char buf[HOSTLEN + 1];
|
||||
char *p = buf;
|
||||
char *s;
|
||||
struct Client *server;
|
||||
|
||||
if('*' == *name || '.' == *name)
|
||||
return NULL;
|
||||
|
||||
/* copy it across to give us a buffer to work on */
|
||||
rb_strlcpy(buf, name, sizeof(buf));
|
||||
|
||||
while ((s = strchr(p, '.')) != 0)
|
||||
{
|
||||
*--s = '*';
|
||||
/*
|
||||
* Dont need to check IsServer() here since nicknames cant
|
||||
* have *'s in them anyway.
|
||||
*/
|
||||
if((server = find_server(source_p, s)))
|
||||
return server;
|
||||
p = s + 2;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* find_any_client()
|
||||
*
|
||||
* finds a client/server/masked server entry from the hash
|
||||
*/
|
||||
struct Client *
|
||||
find_any_client(const char *name)
|
||||
{
|
||||
struct Client *target_p;
|
||||
rb_dlink_node *ptr;
|
||||
unsigned int hashv;
|
||||
|
||||
s_assert(name != NULL);
|
||||
if(EmptyString(name))
|
||||
return NULL;
|
||||
|
||||
/* hunting for an id, not a nick */
|
||||
if(IsDigit(*name))
|
||||
return (find_id(name));
|
||||
|
||||
hashv = hash_nick(name);
|
||||
|
||||
RB_DLINK_FOREACH(ptr, clientTable[hashv].head)
|
||||
{
|
||||
target_p = ptr->data;
|
||||
|
||||
if(irccmp(name, target_p->name) == 0)
|
||||
return target_p;
|
||||
}
|
||||
|
||||
/* wasnt found, look for a masked server */
|
||||
return hash_find_masked_server(NULL, name);
|
||||
}
|
||||
|
||||
/* find_client()
|
||||
*
|
||||
* finds a client/server entry from the client hash table
|
||||
|
|
@ -490,13 +441,14 @@ find_server(struct Client *source_p, const char *name)
|
|||
return target_p;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
/* wasnt found, look for a masked server */
|
||||
return hash_find_masked_server(source_p, name);
|
||||
}
|
||||
|
||||
/* find_hostname()
|
||||
*
|
||||
* finds a hostname rb_dlink list from the hostname hash table.
|
||||
* we return the full rb_dlink list, because you can have multiple
|
||||
* finds a hostname dlink list from the hostname hash table.
|
||||
* we return the full dlink list, because you can have multiple
|
||||
* entries with the same hostname
|
||||
*/
|
||||
rb_dlink_node *
|
||||
|
|
@ -566,17 +518,14 @@ get_or_create_channel(struct Client *client_p, const char *chname, int *isnew)
|
|||
len = strlen(s);
|
||||
if(len > CHANNELLEN)
|
||||
{
|
||||
char *t;
|
||||
if(IsServer(client_p))
|
||||
{
|
||||
sendto_realops_snomask(SNO_DEBUG, L_ALL,
|
||||
sendto_realops_flags(UMODE_DEBUG, L_ALL,
|
||||
"*** Long channel name from %s (%d > %d): %s",
|
||||
client_p->name, len, CHANNELLEN, s);
|
||||
}
|
||||
len = CHANNELLEN;
|
||||
t = LOCAL_COPY(s);
|
||||
*(t + CHANNELLEN) = '\0';
|
||||
s = t;
|
||||
s = LOCAL_COPY_N(s, CHANNELLEN);
|
||||
}
|
||||
|
||||
hashv = hash_channel(s);
|
||||
|
|
@ -628,7 +577,7 @@ hash_find_resv(const char *name)
|
|||
{
|
||||
aconf = ptr->data;
|
||||
|
||||
if(!irccmp(name, aconf->name))
|
||||
if(!irccmp(name, aconf->host))
|
||||
{
|
||||
aconf->port++;
|
||||
return aconf;
|
||||
|
|
@ -638,6 +587,30 @@ hash_find_resv(const char *name)
|
|||
return NULL;
|
||||
}
|
||||
|
||||
struct cachefile *
|
||||
hash_find_help(const char *name, int flags)
|
||||
{
|
||||
struct cachefile *hptr;
|
||||
rb_dlink_node *ptr;
|
||||
unsigned int hashv;
|
||||
|
||||
if(EmptyString(name))
|
||||
return NULL;
|
||||
|
||||
hashv = hash_help(name);
|
||||
|
||||
RB_DLINK_FOREACH(ptr, helpTable[hashv].head)
|
||||
{
|
||||
hptr = ptr->data;
|
||||
|
||||
if((irccmp(name, hptr->name) == 0) &&
|
||||
(hptr->flags & flags))
|
||||
return hptr;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void
|
||||
clear_resv_hash(void)
|
||||
{
|
||||
|
|
@ -651,7 +624,7 @@ clear_resv_hash(void)
|
|||
aconf = ptr->data;
|
||||
|
||||
/* skip temp resvs */
|
||||
if(aconf->hold)
|
||||
if(aconf->flags & CONF_FLAGS_TEMPORARY)
|
||||
continue;
|
||||
|
||||
free_conf(ptr->data);
|
||||
|
|
@ -660,19 +633,78 @@ clear_resv_hash(void)
|
|||
HASH_WALK_END
|
||||
}
|
||||
|
||||
struct nd_entry *
|
||||
hash_find_nd(const char *name)
|
||||
{
|
||||
struct nd_entry *nd;
|
||||
rb_dlink_node *ptr;
|
||||
unsigned int hashv;
|
||||
|
||||
if(EmptyString(name))
|
||||
return NULL;
|
||||
|
||||
hashv = hash_nick(name);
|
||||
|
||||
RB_DLINK_FOREACH(ptr, ndTable[hashv].head)
|
||||
{
|
||||
nd = ptr->data;
|
||||
|
||||
if(!irccmp(name, nd->name))
|
||||
return nd;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void
|
||||
add_to_cli_fd_hash(struct Client *client_p)
|
||||
{
|
||||
rb_dlinkAddAlloc(client_p, &clientbyfdTable[hash_cli_fd(rb_get_fd(client_p->localClient->F))]);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
del_from_cli_fd_hash(struct Client *client_p)
|
||||
{
|
||||
unsigned int hashv;
|
||||
hashv = hash_cli_fd(rb_get_fd(client_p->localClient->F));
|
||||
rb_dlinkFindDestroy(client_p, &clientbyfdTable[hashv]);
|
||||
}
|
||||
|
||||
struct Client *
|
||||
find_cli_fd_hash(int fd)
|
||||
{
|
||||
struct Client *target_p;
|
||||
rb_dlink_node *ptr;
|
||||
unsigned int hashv;
|
||||
hashv = hash_cli_fd(fd);
|
||||
RB_DLINK_FOREACH(ptr, clientbyfdTable[hashv].head)
|
||||
{
|
||||
target_p = ptr->data;
|
||||
if(rb_get_fd(target_p->localClient->F) == fd)
|
||||
return target_p;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
output_hash(struct Client *source_p, const char *name, int length, int *counts, int deepest)
|
||||
{
|
||||
unsigned long total = 0;
|
||||
char buf[128];
|
||||
int i;
|
||||
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG,
|
||||
"B :%s Hash Statistics", name);
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG, "B :%s Hash Statistics", name);
|
||||
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG,
|
||||
"B :Size: %d Empty: %d (%.3f%%)",
|
||||
length, counts[0],
|
||||
(float) ((counts[0]*100) / (float) length));
|
||||
/* rb_snprintf which sendto_one_* uses doesn't support float formats */
|
||||
#ifdef HAVE_SNPRINTF
|
||||
snprintf(buf, sizeof(buf),
|
||||
#else
|
||||
sprintf(buf,
|
||||
#endif
|
||||
"%.3f%%", (float) ((counts[0]*100) / (float) length));
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG, "B :Size: %d Empty: %d (%s)",
|
||||
length, counts[0], buf);
|
||||
|
||||
for(i = 1; i < 11; i++)
|
||||
{
|
||||
|
|
@ -681,11 +713,18 @@ output_hash(struct Client *source_p, const char *name, int length, int *counts,
|
|||
|
||||
/* dont want to divide by 0! --fl */
|
||||
if(counts[0] != length)
|
||||
{
|
||||
#ifdef HAVE_SNPRINTF
|
||||
snprintf(buf, sizeof(buf),
|
||||
#else
|
||||
sprintf(buf,
|
||||
#endif
|
||||
"%.3f%%/%.3f%%", (float) (total / (length - counts[0])),
|
||||
(float) (total / length));
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG,
|
||||
"B :Average depth: %.3f/%.3f Highest depth: %d",
|
||||
(float) (total / (length - counts[0])),
|
||||
(float) (total / length), deepest);
|
||||
|
||||
"B :Average depth: %s Highest depth: %d",
|
||||
buf, deepest);
|
||||
}
|
||||
for(i = 0; i < 11; i++)
|
||||
{
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG,
|
||||
|
|
@ -699,7 +738,7 @@ static void
|
|||
count_hash(struct Client *source_p, rb_dlink_list *table, int length, const char *name)
|
||||
{
|
||||
int counts[11];
|
||||
int deepest = 0;
|
||||
unsigned long deepest = 0;
|
||||
int i;
|
||||
|
||||
memset(counts, 0, sizeof(counts));
|
||||
|
|
@ -728,4 +767,6 @@ hash_stats(struct Client *source_p)
|
|||
count_hash(source_p, idTable, U_MAX, "ID");
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG, "B :--");
|
||||
count_hash(source_p, hostTable, HOST_MAX, "Hostname");
|
||||
sendto_one_numeric(source_p, RPL_STATSDEBUG, "B :--");
|
||||
count_hash(source_p, clientbyfdTable, CLI_FD_MAX, "Client by FD");
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue