X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fhashtable%2Fhashtable.c;h=263df46839d37af58e2efe66770f5e1833c90f0f;hp=24d579773e0ab26d89cfb5f078f84562ce4431df;hb=d88aee689d5bd0067f362a323cb69c37717df59f;hpb=d0b96690836f4b876096f3dc14801f8e25281a77 diff --git a/src/common/hashtable/hashtable.c b/src/common/hashtable/hashtable.c index 24d579773..263df4683 100644 --- a/src/common/hashtable/hashtable.c +++ b/src/common/hashtable/hashtable.c @@ -54,6 +54,17 @@ static int match_ulong(struct cds_lfht_node *node, const void *key) return hash_match_key_ulong((void *) match_node->key, (void *) key); } +/* + * Match function for u64 node. + */ +static int match_u64(struct cds_lfht_node *node, const void *key) +{ + struct lttng_ht_node_u64 *match_node = + caa_container_of(node, struct lttng_ht_node_u64, node); + + return hash_match_key_u64(&match_node->key, (void *) key); +} + /* * Return an allocated lttng hashtable. */ @@ -88,6 +99,10 @@ struct lttng_ht *lttng_ht_new(unsigned long size, int type) ht->match_fct = match_ulong; ht->hash_fct = hash_key_ulong; break; + case LTTNG_HT_TYPE_U64: + ht->match_fct = match_u64; + ht->hash_fct = hash_key_u64; + break; default: ERR("Unknown lttng hashtable type %d", type); goto error; @@ -136,6 +151,18 @@ void lttng_ht_node_init_ulong(struct lttng_ht_node_ulong *node, cds_lfht_node_init(&node->node); } +/* + * Init lttng ht node uint64_t. + */ +void lttng_ht_node_init_u64(struct lttng_ht_node_u64 *node, + uint64_t key) +{ + assert(node); + + node->key = key; + cds_lfht_node_init(&node->node); +} + /* * Free lttng ht node string. */ @@ -154,6 +181,15 @@ void lttng_ht_node_free_ulong(struct lttng_ht_node_ulong *node) free(node); } +/* + * Free lttng ht node uint64_t. + */ +void lttng_ht_node_free_u64(struct lttng_ht_node_ulong *node) +{ + assert(node); + free(node); +} + /* * Lookup function in hashtable. */ @@ -196,6 +232,20 @@ void lttng_ht_add_ulong(struct lttng_ht *ht, struct lttng_ht_node_ulong *node) &node->node); } +/* + * Add uint64_t node to hashtable. + + */ +void lttng_ht_add_u64(struct lttng_ht *ht, struct lttng_ht_node_u64 *node) +{ + assert(ht); + assert(ht->ht); + assert(node); + + cds_lfht_add(ht->ht, ht->hash_fct(&node->key, lttng_ht_seed), + &node->node); +} + /* * Add unique unsigned long node to hashtable. */ @@ -213,6 +263,23 @@ void lttng_ht_add_unique_ulong(struct lttng_ht *ht, assert(node_ptr == &node->node); } +/* + * Add unique uint64_t node to hashtable. + */ +void lttng_ht_add_unique_u64(struct lttng_ht *ht, + struct lttng_ht_node_u64 *node) +{ + struct cds_lfht_node *node_ptr; + assert(ht); + assert(ht->ht); + assert(node); + + node_ptr = cds_lfht_add_unique(ht->ht, + ht->hash_fct(&node->key, lttng_ht_seed), ht->match_fct, + &node->key, &node->node); + assert(node_ptr == &node->node); +} + /* * Add replace unsigned long node to hashtable. */ @@ -235,6 +302,28 @@ struct lttng_ht_node_ulong *lttng_ht_add_replace_ulong(struct lttng_ht *ht, assert(node_ptr == &node->node); } +/* + * Add replace unsigned long node to hashtable. + */ +struct lttng_ht_node_u64 *lttng_ht_add_replace_u64(struct lttng_ht *ht, + struct lttng_ht_node_u64 *node) +{ + struct cds_lfht_node *node_ptr; + assert(ht); + assert(ht->ht); + assert(node); + + node_ptr = cds_lfht_add_replace(ht->ht, + ht->hash_fct(&node->key, lttng_ht_seed), ht->match_fct, + &node->key, &node->node); + if (!node_ptr) { + return NULL; + } else { + return caa_container_of(node_ptr, struct lttng_ht_node_u64, node); + } + assert(node_ptr == &node->node); +} + /* * Delete node from hashtable. */ @@ -319,10 +408,26 @@ struct lttng_ht_node_ulong *lttng_ht_iter_get_node_ulong( return caa_container_of(node, struct lttng_ht_node_ulong, node); } +/* + * Return lttng ht unsigned long node from iterator. + */ +struct lttng_ht_node_u64 *lttng_ht_iter_get_node_u64( + struct lttng_ht_iter *iter) +{ + struct cds_lfht_node *node; + + assert(iter); + node = cds_lfht_iter_get_node(&iter->iter); + if (!node) { + return NULL; + } + return caa_container_of(node, struct lttng_ht_node_u64, node); +} + /* * lib constructor */ -static void __attribute__((constructor)) _init() +static void __attribute__((constructor)) _init(void) { /* Init hash table seed */ lttng_ht_seed = (unsigned long) time(NULL);