static ib_status_t core_slow_get(
ib_field_t **f,
ib_tx_t *tx,
const char *name
)
{
assert(f != NULL);
assert(tx != NULL);
assert(name != NULL);
ib_status_t rc;
ib_var_source_t *source;
ib_field_t *value = NULL;
rc = ib_var_source_acquire(
&source,
ib_var_store_pool(tx->var_store),
ib_var_store_config(tx->var_store),
name, strlen(name)
);
if (rc != IB_OK) {
return rc;
}
rc = ib_var_source_get(source, &value, tx->var_store);
if (rc != IB_OK) {
return rc;
}
if (value == NULL) {
return IB_EOTHER;
}
*f = value;
return IB_OK;
}
static bool core_vars_is_set(ib_tx_t *tx, const char *name)
{
assert(tx != NULL);
assert(name != NULL);
ib_status_t rc;
ib_var_source_t *source;
ib_field_t *f;
rc = ib_var_source_acquire(
&source,
ib_var_store_pool(tx->var_store),
ib_var_store_config(tx->var_store),
name, strlen(name)
);
if (rc != IB_OK) {
return false;
}
rc = ib_var_source_get(source, &f, tx->var_store);
if (rc == IB_ENOENT || ! f) {
return false;
}
return true;
}
ib_status_t ib_capture_acquire(
const ib_tx_t *tx,
const char *collection_name,
ib_field_t **field
)
{
assert(tx != NULL);
assert(tx->var_store != NULL);
ib_status_t rc;
ib_var_source_t *source;
/* Look up the capture list */
collection_name = get_collection_name(collection_name);
// @todo Acquire source at configuration time.
rc = ib_var_source_acquire(&source,
tx->mm,
ib_engine_var_config_get(tx->ib),
collection_name, strlen(collection_name)
);
if (rc != IB_OK) {
return rc;
}
rc = ib_var_source_get(source, field, tx->var_store);
if (
rc == IB_ENOENT ||
(rc == IB_OK && (*field)->type != IB_FTYPE_LIST)
) {
rc = ib_var_source_initialize(
source,
field,
tx->var_store,
IB_FTYPE_LIST
);
}
if (rc != IB_OK) {
return rc;
}
return IB_OK;
}
/**
* Create an alias list collection.
*
* @param ib Engine.
* @param tx Transaction.
* @param name Collection name
* @param header Header list to alias
*
* @returns Status code
*/
static ib_status_t create_header_alias_list(
ib_engine_t *ib,
ib_tx_t *tx,
const char *name,
ib_parsed_header_wrapper_t *header)
{
ib_field_t *f;
ib_list_t *header_list;
ib_status_t rc;
ib_parsed_name_value_pair_list_t *nvpair;
ib_var_source_t *source;
assert(ib != NULL);
assert(tx != NULL);
assert(name != NULL);
assert(header != NULL);
/* Create the list */
rc = ib_var_source_acquire(
&source,
ib_var_store_pool(tx->var_store),
ib_var_store_config(tx->var_store),
name, strlen(name)
);
if (rc != IB_OK) {
return rc;
}
rc = ib_var_source_get(source, &f, tx->var_store);
if (rc == IB_ENOENT || ! f) {
rc = ib_var_source_initialize(
source,
&f,
tx->var_store,
IB_FTYPE_LIST
);
if (rc != IB_OK) {
return rc;
}
}
rc = ib_field_mutable_value(f, ib_ftype_list_mutable_out(&header_list));
if (rc != IB_OK) {
return rc;
}
/* Loop through the list & alias everything */
for(nvpair = header->head; nvpair != NULL; nvpair = nvpair->next) {
assert(nvpair);
assert(nvpair->value);
ib_bytestr_t *bs = NULL;
if (ib_bytestr_ptr(nvpair->value) != NULL) {
rc = ib_bytestr_alias_mem(
&bs,
tx->mp,
ib_bytestr_ptr(nvpair->value),
ib_bytestr_length(nvpair->value)
);
}
else {
rc = ib_bytestr_dup_mem(&bs, tx->mp, (const uint8_t *)"", 0);
}
if (rc != IB_OK) {
ib_log_error_tx(
tx,
"Error creating bytestring of '%.*s' for %s: %s",
(int)ib_bytestr_length(nvpair->name),
(const char *)ib_bytestr_ptr(nvpair->name),
name,
ib_status_to_string(rc)
);
return rc;
}
/* Create a byte string field */
rc = ib_field_create(
&f,
tx->mp,
(const char *)ib_bytestr_const_ptr(nvpair->name),
ib_bytestr_length(nvpair->name),
IB_FTYPE_BYTESTR,
ib_ftype_bytestr_in(bs)
);
if (rc != IB_OK) {
ib_log_error_tx(tx,
"Error creating field of '%.*s' for %s: %s",
(int)ib_bytestr_length(nvpair->name),
(const char *)ib_bytestr_ptr(nvpair->name),
name,
ib_status_to_string(rc));
return rc;
}
/* Add the field to the list */
rc = ib_list_push(header_list, f);
if (rc != IB_OK) {
ib_log_error_tx(tx, "Error adding alias of '%.*s' to %s list: %s",
(int)ib_bytestr_length(nvpair->name),
(const char *)ib_bytestr_ptr(nvpair->name),
name,
ib_status_to_string(rc));
return rc;
}
}
return IB_OK;
}