ircd: operhash: rewrite to use irc_radixtree
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db891ac3ca
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2 changed files with 35 additions and 76 deletions
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@ -68,6 +68,7 @@
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#include "privilege.h"
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#include "privilege.h"
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#include "bandbi.h"
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#include "bandbi.h"
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#include "authd.h"
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#include "authd.h"
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#include "operhash.h"
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/* /quote set variables */
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/* /quote set variables */
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struct SetOptions GlobalSetOptions;
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struct SetOptions GlobalSetOptions;
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@ -571,6 +572,9 @@ charybdis_main(int argc, char *argv[])
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*/
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*/
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setup_corefile();
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setup_corefile();
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/* initialise operhash fairly early. */
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init_operhash();
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memset(&me, 0, sizeof(me));
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memset(&me, 0, sizeof(me));
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memset(&meLocalUser, 0, sizeof(meLocalUser));
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memset(&meLocalUser, 0, sizeof(meLocalUser));
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me.localClient = &meLocalUser;
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me.localClient = &meLocalUser;
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107
ircd/operhash.c
107
ircd/operhash.c
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@ -1,8 +1,9 @@
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/* ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).
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/* charybdis
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* operhash.c - Hashes nick!user@host{oper}
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* operhash.c - Hashes nick!user@host{oper}
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*
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*
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* Copyright (C) 2005 Lee Hardy <lee -at- leeh.co.uk>
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* Copyright (C) 2005 Lee Hardy <lee -at- leeh.co.uk>
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* Copyright (C) 2005 ircd-ratbox development team
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* Copyright (C) 2005-2016 ircd-ratbox development team
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* Copyright (C) 2016 William Pitcock <nenolod@dereferenced.org>
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* modification, are permitted provided that the following conditions are
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@ -27,109 +28,63 @@
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: operhash.c 26094 2008-09-19 15:33:46Z androsyn $
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*/
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*/
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#include <ratbox_lib.h>
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#include <ratbox_lib.h>
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#include "stdinc.h"
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#include "stdinc.h"
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#include "match.h"
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#include "match.h"
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#include "hash.h"
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#include "hash.h"
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#include "operhash.h"
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#include "operhash.h"
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#include "irc_radixtree.h"
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#define OPERHASH_MAX_BITS 7
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static struct irc_radixtree *operhash_tree = NULL;
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#define OPERHASH_MAX (1<<OPERHASH_MAX_BITS)
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#define hash_opername(x) fnv_hash_upper((const unsigned char *)(x), OPERHASH_MAX_BITS)
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struct operhash_entry
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{
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unsigned int refcount;
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char name[];
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};
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static rb_dlink_list operhash_table[OPERHASH_MAX];
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void
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init_operhash(void)
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{
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operhash_tree = irc_radixtree_create("operhash", NULL);
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}
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const char *
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const char *
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operhash_add(const char *name)
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operhash_add(const char *name)
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{
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{
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void *ohash_mem;
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struct operhash_entry *ohash;
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char *ohash_copy;
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size_t len;
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unsigned int hashv;
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rb_dlink_node *ptr;
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if(EmptyString(name))
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if(EmptyString(name))
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return NULL;
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return NULL;
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hashv = hash_opername(name);
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if((ohash = (struct operhash_entry *) irc_radixtree_retrieve(operhash_tree, name)) != NULL)
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RB_DLINK_FOREACH(ptr, operhash_table[hashv].head)
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{
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{
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ohash_copy = ptr->data;
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ohash->refcount++;
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return ohash->name;
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if(!irccmp(ohash_copy, name))
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{
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ohash_mem = ohash_copy - 5;
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(*(int32_t *) ohash_mem)++;
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return ohash_copy;
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}
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}
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}
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ohash_mem = rb_malloc(strlen(name) + 6);
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len = strlen(name) + 1;
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(*(int32_t *) ohash_mem) = 1;
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ohash = rb_malloc(sizeof(struct operhash_entry) + len);
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ohash_copy = ohash_mem + 5;
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ohash->refcount = 1;
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ohash_copy[-1] = '@';
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memcpy(ohash->name, name, len);
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strcpy(ohash_copy, name);
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irc_radixtree_add(operhash_tree, ohash->name, ohash);
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return ohash->name;
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rb_dlinkAddAlloc(ohash_copy, &operhash_table[hashv]);
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return ohash_copy;
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}
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}
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const char *
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const char *
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operhash_find(const char *name)
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operhash_find(const char *name)
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{
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{
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char *ohash_copy;
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return irc_radixtree_retrieve(operhash_tree, name);
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unsigned int hashv;
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rb_dlink_node *ptr;
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if(EmptyString(name))
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return NULL;
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hashv = hash_opername(name);
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RB_DLINK_FOREACH(ptr, operhash_table[hashv].head)
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{
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ohash_copy = ptr->data;
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if(!irccmp(ohash_copy, name))
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return ohash_copy;
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}
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return NULL;
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}
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}
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void
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void
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operhash_delete(const char *name)
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operhash_delete(const char *name)
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{
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{
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char *ohash_copy;
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struct operhash_entry *ohash = irc_radixtree_retrieve(operhash_tree, name);
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void *ohash_mem;
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unsigned int hashv;
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rb_dlink_node *ptr;
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if(EmptyString(name))
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if (ohash != NULL)
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return;
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rb_free(ohash);
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hashv = hash_opername(name);
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RB_DLINK_FOREACH(ptr, operhash_table[hashv].head)
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{
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ohash_copy = ptr->data;
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if(irccmp(ohash_copy, name))
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continue;
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ohash_mem = ohash_copy - 5;
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(*(int32_t *) ohash_mem)--;
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if((*(int32_t *) ohash_mem) == 0)
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{
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rb_dlinkDestroy(ptr, &operhash_table[hashv]);
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rb_free(ohash_mem);
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return;
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}
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}
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}
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}
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