/**
* Return the per-transaction state for the operator.
*
* @param[in] m This module.
* @param[in,out] tx Transaction to lookup the data in.
* @param[in] instance_data Pointer to the operator instance data.
* The pointer value is used key to lookup the instance
* state.
* @param[out] eudoxus_state Returns the state if found.
*
* @returns
* - IB_OK on success.
* - IB_ENOENT if the state is not found. The caller should create it
* and add it to the hash using @ref set_ee_tx_data
*/
static
ib_status_t get_ee_tx_data(
const ib_module_t *m,
ib_tx_t *tx,
ee_operator_data_t *instance_data,
ia_eudoxus_state_t **eudoxus_state
)
{
assert(tx != NULL);
assert(tx->mp != NULL);
assert(instance_data != NULL);
assert(eudoxus_state != NULL);
ib_hash_t *hash;
ib_status_t rc;
rc = get_or_create_operator_data_hash(m, tx, &hash);
if (rc != IB_OK) {
return rc;
}
rc = ib_hash_get_ex(hash, eudoxus_state, (const char *)&instance_data, sizeof(ee_operator_data_t *));
if (rc != IB_OK) {
*eudoxus_state = NULL;
}
return rc;
}
/**
* Return the per-transaction state for the operator.
*
* @param[in] m This module.
* @param[in,out] tx Transaction to lookup the data in.
* @param[in] instance_data Pointer to the operator instance data.
* The pointer value is used key to lookup the instance
* state.
* @param[out] tx_data Returns the tx data if found.
*
* @returns
* - IB_OK on success.
* - IB_ENOENT if the state is not found. The caller should create it
* and add it to the hash using @ref set_ee_tx_data
*/
static
ib_status_t get_ee_tx_data(
const ib_module_t *m,
ib_tx_t *tx,
ee_operator_data_t *instance_data,
ee_tx_data_t **tx_data
)
{
assert(tx != NULL);
assert(instance_data != NULL);
assert(tx_data != NULL);
ib_hash_t *hash;
ib_status_t rc;
rc = get_or_create_operator_data_hash(m, tx, &hash);
if (rc != IB_OK) {
return rc;
}
rc = ib_hash_get_ex(hash, tx_data, instance_data->id, IB_UUID_LENGTH - 1);
if (rc != IB_OK) {
*tx_data = NULL;
}
return rc;
}
ib_status_t ib_tfn_lookup_ex(
ib_engine_t *ib,
const char *name,
size_t nlen,
const ib_tfn_t **ptfn
)
{
return ib_hash_get_ex(ib->tfns, ptfn, name, nlen);
}
static
ib_status_t sqli_op_create(
ib_context_t *ctx,
ib_mm_t mm,
const char *parameters,
void *instance_data,
void *cbdata
)
{
ib_engine_t *ib = ib_context_get_engine(ctx);
ib_status_t rc;
ib_module_t *m = (ib_module_t *)cbdata;
const char *set_name;
size_t set_name_len;
const sqli_module_config_t *cfg = NULL;
const sqli_fingerprint_set_t *ps = NULL;
if (parameters == NULL) {
ib_log_error(ib, "Missing parameter for operator sqli");
return IB_EINVAL;
}
set_name = parameters;
set_name_len = strlen(parameters);
if (set_name[0] == '\'') {
++set_name;
--set_name_len;
}
if (set_name[set_name_len-1] == '\'') {
--set_name_len;
}
if (strncmp("default", set_name, set_name_len) == 0) {
*(const sqli_fingerprint_set_t **)instance_data = NULL;
return IB_OK;
}
rc = ib_context_module_config(ctx, m, &cfg);
assert(rc == IB_OK);
if (cfg->fingerprint_sets == NULL) {
rc = IB_ENOENT;
}
else {
rc = ib_hash_get_ex(cfg->fingerprint_sets, &ps, set_name, set_name_len);
}
if (rc == IB_ENOENT) {
ib_log_error(ib, "No such fingerprint set: %s", parameters);
return IB_EINVAL;
}
assert(rc == IB_OK);
assert(ps != NULL);
*(const sqli_fingerprint_set_t **)instance_data = ps;
return IB_OK;
}
ib_status_t ib_tfn_lookup_ex(ib_engine_t *ib,
const char *name,
size_t nlen,
ib_tfn_t **ptfn)
{
IB_FTRACE_INIT(ib_tfn_lookup);
ib_status_t rc = ib_hash_get_ex(ib->tfns, (void *)name, nlen, (void *)ptfn,
IB_HASH_FLAG_NOCASE);
IB_FTRACE_RET_STATUS(rc);
}
/**
* Fetch value from hash.
*
* @param[in] key Key.
* @param[in] key_length Length of @a key.
*
* @return Value.
*
* @throw enoent if no such key.
**/
T get(const char* key, size_t key_length) const
{
void* ib_value;
T value;
throw_if_error(ib_hash_get_ex(ib(), &ib_value, key, key_length));
Internal::void_as_value<T>(
value, ib_value,
boost::is_pointer<T>()
);
return value;
}
ib_status_t ib_action_lookup(
ib_engine_t *ib,
const char *name,
size_t name_length,
const ib_action_t **action
)
{
assert(ib != NULL);
assert(name != NULL);
return ib_hash_get_ex(ib->actions, action, name, name_length);
}
ib_status_t ib_tfn_lookup_ex(ib_engine_t *ib,
const char *name,
size_t nlen,
ib_tfn_t **ptfn)
{
assert(ib != NULL);
assert(name != NULL);
assert(ptfn != NULL);
ib_hash_t *tfn_hash = ib->tfns;
ib_status_t rc = ib_hash_get_ex(tfn_hash, ptfn, name, nlen);
return rc;
}
/**
* Lookup a value in a hash.
*
* @param[in] data Hash to lookup in
* @param[in] key Key to lookup
* @param[in] keylen Length of @a key
* @param[out] pf Pointer to output field.
*
* @returns Return values from ib_hash_get_ex()
*/
static ib_status_t hash_lookup(const void *data,
const char *key,
size_t keylen,
ib_field_t **pf)
{
IB_FTRACE_INIT();
assert(data != NULL);
assert(key != NULL);
assert(pf != NULL);
ib_status_t rc;
ib_hash_t *hash = (ib_hash_t *)data;
rc = ib_hash_get_ex(hash, pf, key, keylen);
IB_FTRACE_RET_STATUS(rc);
}