ircd: hash: use an irc_radixtree for client names
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parent
3eeccbe3ce
commit
bb4ac31447
2 changed files with 10 additions and 67 deletions
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@ -30,7 +30,6 @@
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struct Dictionary;
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struct irc_radixtree;
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extern rb_dlink_list *clientTable;
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extern rb_dlink_list *channelTable;
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extern rb_dlink_list *hostTable;
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76
ircd/hash.c
76
ircd/hash.c
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@ -42,13 +42,13 @@
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#include "irc_dictionary.h"
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#include "irc_radixtree.h"
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rb_dlink_list *clientTable;
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rb_dlink_list *channelTable;
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rb_dlink_list *hostTable;
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struct Dictionary *client_connid_tree = NULL;
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struct Dictionary *client_zconnid_tree = NULL;
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struct irc_radixtree *client_id_tree = NULL;
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struct irc_radixtree *client_name_tree = NULL;
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struct irc_radixtree *resv_tree = NULL;
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@ -96,13 +96,13 @@ struct irc_radixtree *resv_tree = NULL;
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void
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init_hash(void)
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{
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clientTable = rb_malloc(sizeof(rb_dlink_list) * U_MAX);
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channelTable = rb_malloc(sizeof(rb_dlink_list) * CH_MAX);
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hostTable = rb_malloc(sizeof(rb_dlink_list) * HOST_MAX);
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client_connid_tree = irc_dictionary_create("client connid", irc_uint32cmp);
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client_zconnid_tree = irc_dictionary_create("client zconnid", irc_uint32cmp);
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client_id_tree = irc_radixtree_create("client id", NULL);
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client_name_tree = irc_radixtree_create("client name", irc_radixtree_irccasecanon);
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resv_tree = irc_radixtree_create("resv", irc_radixtree_irccasecanon);
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}
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@ -167,16 +167,6 @@ fnv_hash_upper_len(const unsigned char *s, int bits, int len)
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return h;
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}
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/* hash_nick()
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*
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* hashes a nickname, first converting to lowercase
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*/
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static u_int32_t
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hash_nick(const char *name)
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{
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return fnv_hash_upper((const unsigned char *) name, U_MAX_BITS);
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}
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/* hash_channel()
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*
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* hashes a channel name, based on first 30 chars only for efficiency
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@ -218,15 +208,12 @@ add_to_id_hash(const char *name, struct Client *client_p)
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void
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add_to_client_hash(const char *name, struct Client *client_p)
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{
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unsigned int hashv;
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s_assert(name != NULL);
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s_assert(client_p != NULL);
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if(EmptyString(name) || (client_p == NULL))
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return;
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hashv = hash_nick(name);
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rb_dlinkAddAlloc(client_p, &clientTable[hashv]);
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irc_radixtree_add(client_name_tree, name, client_p);
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}
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/* add_to_hostname_hash()
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@ -284,16 +271,13 @@ del_from_id_hash(const char *id, struct Client *client_p)
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void
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del_from_client_hash(const char *name, struct Client *client_p)
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{
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unsigned int hashv;
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/* no s_asserts, this can happen when removing a client that
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* is unregistered.
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*/
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if(EmptyString(name) || client_p == NULL)
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return;
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hashv = hash_nick(name);
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rb_dlinkFindDestroy(client_p, &clientTable[hashv]);
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irc_radixtree_delete(client_name_tree, name);
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}
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/* del_from_channel_hash()
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@ -354,10 +338,6 @@ del_from_resv_hash(const char *name, struct ConfItem *aconf)
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struct Client *
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find_id(const char *name)
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{
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struct Client *target_p;
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rb_dlink_node *ptr;
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unsigned int hashv;
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if(EmptyString(name))
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return NULL;
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@ -371,10 +351,6 @@ find_id(const char *name)
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struct Client *
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find_client(const char *name)
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{
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struct Client *target_p;
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rb_dlink_node *ptr;
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unsigned int hashv;
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s_assert(name != NULL);
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if(EmptyString(name))
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return NULL;
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@ -383,17 +359,7 @@ find_client(const char *name)
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if(IsDigit(*name))
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return (find_id(name));
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hashv = hash_nick(name);
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RB_DLINK_FOREACH(ptr, clientTable[hashv].head)
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{
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target_p = ptr->data;
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if(irccmp(name, target_p->name) == 0)
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return target_p;
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}
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return NULL;
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return irc_radixtree_retrieve(client_name_tree, name);
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}
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/* find_named_client()
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@ -403,25 +369,11 @@ find_client(const char *name)
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struct Client *
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find_named_client(const char *name)
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{
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struct Client *target_p;
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rb_dlink_node *ptr;
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unsigned int hashv;
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s_assert(name != NULL);
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if(EmptyString(name))
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return NULL;
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hashv = hash_nick(name);
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RB_DLINK_FOREACH(ptr, clientTable[hashv].head)
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{
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target_p = ptr->data;
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if(irccmp(name, target_p->name) == 0)
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return target_p;
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}
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return NULL;
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return irc_radixtree_retrieve(client_name_tree, name);
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}
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/* find_server()
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@ -432,8 +384,6 @@ struct Client *
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find_server(struct Client *source_p, const char *name)
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{
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struct Client *target_p;
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rb_dlink_node *ptr;
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unsigned int hashv;
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if(EmptyString(name))
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return NULL;
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@ -445,15 +395,11 @@ find_server(struct Client *source_p, const char *name)
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return(target_p);
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}
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hashv = hash_nick(name);
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RB_DLINK_FOREACH(ptr, clientTable[hashv].head)
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target_p = irc_radixtree_retrieve(client_name_tree, name);
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if (target_p != NULL)
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{
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target_p = ptr->data;
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if((IsServer(target_p) || IsMe(target_p)) &&
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irccmp(name, target_p->name) == 0)
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return target_p;
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if(IsServer(target_p) || IsMe(target_p))
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return target_p;
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}
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return NULL;
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@ -722,7 +668,5 @@ hash_stats(struct Client *source_p)
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{
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count_hash(source_p, channelTable, CH_MAX, "Channel");
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sendto_one_numeric(source_p, RPL_STATSDEBUG, "B :--");
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count_hash(source_p, clientTable, U_MAX, "Client");
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sendto_one_numeric(source_p, RPL_STATSDEBUG, "B :--");
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count_hash(source_p, hostTable, HOST_MAX, "Hostname");
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}
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