コード例 #1
0
ファイル: serial.c プロジェクト: Neymello/Composite
static bool
table_remove(const char *value)
{
	ck_ht_entry_t entry;
	ck_ht_hash_t h;
	size_t l = strlen(value);

	ck_ht_hash(&h, &ht, value, l);
	ck_ht_entry_key_set(&entry, value, l);
	return ck_ht_remove_spmc(&ht, h, &entry);
}
コード例 #2
0
ファイル: main.c プロジェクト: Knight-X/pearldb
static char* __remove_stored_etag(const kstr_t* key)
{
    ck_ht_hash_t hash;
    ck_ht_entry_t entry;

    ck_ht_entry_key_set(&entry, key->s, key->len);
    ck_ht_hash(&hash, &sv->etags, key->s, key->len);
    int e = ck_ht_remove_spmc(&sv->etags, hash, &entry);
    if (1 == e)
        return ck_ht_entry_value(&entry);
    return NULL;
}
コード例 #3
0
ファイル: fqd_http.c プロジェクト: HeinrichHartmann/fq
static const char *
get_ht_value(ck_ht_t *table, const char *key) {
  ck_ht_entry_t entry;
  ck_ht_hash_t hv;

  ck_ht_hash(&hv, table, key, strlen(key));
  ck_ht_entry_key_set(&entry, key, strlen(key));

  if (ck_ht_get_spmc(table, hv, &entry)) {
    return ck_ht_entry_value(&entry);
  }
  return NULL;
}
コード例 #4
0
ファイル: ht.c プロジェクト: znull/brubeck
struct brubeck_metric *
brubeck_hashtable_find(brubeck_hashtable_t *ht, const char *key, uint16_t key_len)
{
	ck_ht_hash_t h;
	ck_ht_entry_t entry;

	ck_ht_hash(&h, &ht->table, key, key_len);
	ck_ht_entry_key_set(&entry, key, key_len);

	if (ck_ht_get_spmc(&ht->table, h, &entry))
		return ck_ht_entry_value(&entry);

	return NULL;
}
コード例 #5
0
ファイル: serial.c プロジェクト: nivertech/fq
static void *
table_get(const char *value)
{
	ck_ht_entry_t entry;
	ck_ht_hash_t h;
	size_t l = strlen(value);

	ck_ht_hash(&h, &ht, value, l);
	ck_ht_entry_key_set(&entry, value, l);
	if (ck_ht_get_spmc(&ht, h, &entry) == true)
		return ck_ht_entry_value(&entry);

	return NULL;
}
コード例 #6
0
ファイル: main.c プロジェクト: Knight-X/pearldb
static int __get_or_create_etag(const kstr_t* key, const MDB_val *val,
                                h2o_iovec_t *etagvec)
{
    int e;
    ck_ht_hash_t hash;
    ck_ht_entry_t entry;
    char* etag = NULL;

    ck_ht_hash(&hash, &sv->etags, key->s, key->len);
    ck_ht_entry_key_set(&entry, key->s, key->len);
    do
    {
        e = ck_ht_get_spmc(&sv->etags, hash, &entry);
        if (0 == e)
        {
            uv_mutex_lock(&sv->etag_lock);
            int num = sv->etag_num;
            sv->etag_num++;
            uv_mutex_unlock(&sv->etag_lock);

            /* TODO: get this memory from a pool */
            etag = malloc(ETAG_LEN);
            if (!etag)
                goto fail;

            snprintf(etag, ETAG_LEN + 1, "%8.8d%20.20d", sv->etag_prefix, num);

            char* my_key = strndup(key->s, key->len);
            if (!my_key)
                goto fail;

            ck_ht_entry_set(&entry, hash, my_key, key->len, etag);

            /* CK doesn't support multiple writers */
            uv_mutex_lock(&sv->etag_lock);
            e = ck_ht_put_spmc(&sv->etags, hash, &entry);
            uv_mutex_unlock(&sv->etag_lock);
        }
    }
    while (e == 0);

    etagvec->base = ck_ht_entry_value(&entry);
    etagvec->len = ETAG_LEN;
    return 0;

fail:
    if (etag)
        free(etag);
    return -1;
}
コード例 #7
0
ファイル: serial.c プロジェクト: Neymello/Composite
int
main(void)
{
	size_t i, l;
	ck_ht_t ht;
	ck_ht_entry_t entry;
	ck_ht_hash_t h;
	ck_ht_iterator_t iterator = CK_HT_ITERATOR_INITIALIZER;
	ck_ht_entry_t *cursor;

	if (ck_ht_init(&ht, CK_HT_MODE_BYTESTRING, NULL, &my_allocator, 8, 6602834) == false) {
		perror("ck_ht_init");
		exit(EXIT_FAILURE);
	}

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_set(&entry, h, test[i], l, test[i]);
		ck_ht_put_spmc(&ht, h, &entry);
	}

	l = strlen(test[0]);
	ck_ht_hash(&h, &ht, test[0], l);
	ck_ht_entry_set(&entry, h, test[0], l, test[0]);
	ck_ht_put_spmc(&ht, h, &entry);

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_key_set(&entry, test[i], l);
		if (ck_ht_get_spmc(&ht, h, &entry) == false) {
			ck_error("ERROR (put): Failed to find [%s]\n", test[i]);
		} else {
			void *k, *v;

			k = ck_ht_entry_key(&entry);
			v = ck_ht_entry_value(&entry);

			if (strcmp(k, test[i]) || strcmp(v, test[i])) {
				ck_error("ERROR: Mismatch: (%s, %s) != (%s, %s)\n",
				    (char *)k, (char *)v, test[i], test[i]);
			}
		}
	}

	ck_ht_hash(&h, &ht, negative, strlen(negative));
	ck_ht_entry_key_set(&entry, negative, strlen(negative));
	if (ck_ht_get_spmc(&ht, h, &entry) == true) {
		ck_error("ERROR: Found non-existing entry.\n");
	}

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_key_set(&entry, test[i], l);

		if (ck_ht_get_spmc(&ht, h, &entry) == false)
			continue;

		if (ck_ht_remove_spmc(&ht, h, &entry) == false) {
			ck_error("ERROR: Failed to delete existing entry\n");
		}

		if (ck_ht_get_spmc(&ht, h, &entry) == true)
			ck_error("ERROR: Able to find [%s] after delete\n", test[i]);

		ck_ht_entry_set(&entry, h, test[i], l, test[i]);
		if (ck_ht_put_spmc(&ht, h, &entry) == false)
			ck_error("ERROR: Failed to insert [%s]\n", test[i]);

		if (ck_ht_remove_spmc(&ht, h, &entry) == false) {
			ck_error("ERROR: Failed to delete existing entry\n");
		}
	}

	ck_ht_reset_spmc(&ht);
	if (ck_ht_count(&ht) != 0) {
		ck_error("ERROR: Map was not reset.\n");
	}

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_set(&entry, h, test[i], l, test[i]);
		ck_ht_put_spmc(&ht, h, &entry);
	}

	for (i = 0; ck_ht_next(&ht, &iterator, &cursor) == true; i++);
	if (i != 42) {
		ck_error("ERROR: Incorrect number of entries in table.\n");
	}

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_set(&entry, h, test[i], l, test[i]);
		ck_ht_set_spmc(&ht, h, &entry);
	}

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_key_set(&entry, test[i], l);
		if (ck_ht_get_spmc(&ht, h, &entry) == false) {
			ck_error("ERROR (set): Failed to find [%s]\n", test[i]);
		} else {
			void *k, *v;

			k = ck_ht_entry_key(&entry);
			v = ck_ht_entry_value(&entry);

			if (strcmp(k, test[i]) || strcmp(v, test[i])) {
				ck_error("ERROR: Mismatch: (%s, %s) != (%s, %s)\n",
				    (char *)k, (char *)v, test[i], test[i]);
			}
		}
	}

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_set(&entry, h, test[i], l, "REPLACED");
		ck_ht_set_spmc(&ht, h, &entry);

		if (strcmp(test[i], "What") == 0)
			continue;

		if (strcmp(test[i], "down.") == 0)
			continue;

		if (strcmp(ck_ht_entry_value(&entry), test[i]) != 0) {
			ck_error("Mismatch detected: %s, expected %s\n",
				(char *)ck_ht_entry_value(&entry),
				test[i]);
		}
	}

	ck_ht_iterator_init(&iterator);
	while (ck_ht_next(&ht, &iterator, &cursor) == true) {
		if (strcmp(ck_ht_entry_value(cursor), "REPLACED") != 0) {
			ck_error("Mismatch detected: %s, expected REPLACED\n",
				(char *)ck_ht_entry_value(cursor));
		}
	}

	for (i = 0; i < sizeof(test) / sizeof(*test); i++) {
		l = strlen(test[i]);
		ck_ht_hash(&h, &ht, test[i], l);
		ck_ht_entry_key_set(&entry, test[i], l);

		if (ck_ht_get_spmc(&ht, h, &entry) == false)
			continue;

		if (ck_ht_remove_spmc(&ht, h, &entry) == false) {
			ck_error("ERROR: Failed to delete existing entry\n");
		}

		if (ck_ht_get_spmc(&ht, h, &entry) == true)
			ck_error("ERROR: Able to find [%s] after delete\n", test[i]);

		ck_ht_entry_set(&entry, h, test[i], l, test[i]);
		if (ck_ht_put_spmc(&ht, h, &entry) == false)
			ck_error("ERROR: Failed to insert [%s]\n", test[i]);

		if (ck_ht_remove_spmc(&ht, h, &entry) == false) {
			ck_error("ERROR: Failed to delete existing entry\n");
		}
	}

	ck_ht_destroy(&ht);
	if (ck_ht_init(&ht, CK_HT_MODE_DIRECT, NULL, &my_allocator, 8, 6602834) == false) {
		perror("ck_ht_init");
		exit(EXIT_FAILURE);
	}

	l = 0;
	for (i = 0; i < sizeof(direct) / sizeof(*direct); i++) {
		ck_ht_hash_direct(&h, &ht, direct[i]);
		ck_ht_entry_set_direct(&entry, h, direct[i], (uintptr_t)test[i]);
		l += ck_ht_put_spmc(&ht, h, &entry) == false;
	}

	if (l != 7) {
		ck_error("ERROR: Got %zu failures rather than 7\n", l);
	}

	for (i = 0; i < sizeof(direct) / sizeof(*direct); i++) {
		ck_ht_hash_direct(&h, &ht, direct[i]);
		ck_ht_entry_set_direct(&entry, h, direct[i], (uintptr_t)"REPLACED");
		l += ck_ht_set_spmc(&ht, h, &entry) == false;
	}

	ck_ht_iterator_init(&iterator);
	while (ck_ht_next(&ht, &iterator, &cursor) == true) {
		if (strcmp(ck_ht_entry_value(cursor), "REPLACED") != 0) {
			ck_error("Mismatch detected: %s, expected REPLACED\n",
				(char *)ck_ht_entry_value(cursor));
		}
	}

	ck_ht_destroy(&ht);
	return 0;
}