int meta_data_get_boolean(meta_data_t *md, /* {{{ */
const char *key, _Bool *value) {
meta_entry_t *e;
if ((md == NULL) || (key == NULL) || (value == NULL))
return (-EINVAL);
pthread_mutex_lock(&md->lock);
e = md_entry_lookup(md, key);
if (e == NULL) {
pthread_mutex_unlock(&md->lock);
return (-ENOENT);
}
if (e->type != MD_TYPE_BOOLEAN) {
ERROR("meta_data_get_boolean: Type mismatch for key `%s'", e->key);
pthread_mutex_unlock(&md->lock);
return (-ENOENT);
}
*value = e->value.mv_boolean;
pthread_mutex_unlock(&md->lock);
return (0);
} /* }}} int meta_data_get_boolean */
int meta_data_get_signed_int (meta_data_t *md, /* {{{ */
const char *key, int64_t *value)
{
meta_entry_t *e;
if ((md == NULL) || (key == NULL) || (value == NULL))
return (-EINVAL);
pthread_mutex_lock (&md->lock);
e = md_entry_lookup (md, key);
if (e == NULL)
{
pthread_mutex_unlock (&md->lock);
return (-ENOENT);
}
if (e->type != MD_TYPE_SIGNED_INT)
{
ERROR ("meta_data_get_signed_int: Type mismatch for key `%s'", e->key);
pthread_mutex_unlock (&md->lock);
return (-ENOENT);
}
*value = e->value.mv_signed_int;
pthread_mutex_unlock (&md->lock);
return (0);
} /* }}} int meta_data_get_signed_int */
/*
* Get functions
*/
int meta_data_get_string(meta_data_t *md, /* {{{ */
const char *key, char **value) {
meta_entry_t *e;
char *temp;
if ((md == NULL) || (key == NULL) || (value == NULL))
return (-EINVAL);
pthread_mutex_lock(&md->lock);
e = md_entry_lookup(md, key);
if (e == NULL) {
pthread_mutex_unlock(&md->lock);
return (-ENOENT);
}
if (e->type != MD_TYPE_STRING) {
ERROR("meta_data_get_string: Type mismatch for key `%s'", e->key);
pthread_mutex_unlock(&md->lock);
return (-ENOENT);
}
temp = md_strdup(e->value.mv_string);
if (temp == NULL) {
pthread_mutex_unlock(&md->lock);
ERROR("meta_data_get_string: md_strdup failed.");
return (-ENOMEM);
}
pthread_mutex_unlock(&md->lock);
*value = temp;
return (0);
} /* }}} int meta_data_get_string */
int meta_data_as_string(meta_data_t *md, /* {{{ */
const char *key, char **value) {
meta_entry_t *e;
const char *actual;
char buffer[MD_MAX_NONSTRING_CHARS]; /* For non-string types. */
char *temp;
int type;
if ((md == NULL) || (key == NULL) || (value == NULL))
return (-EINVAL);
pthread_mutex_lock(&md->lock);
e = md_entry_lookup(md, key);
if (e == NULL) {
pthread_mutex_unlock(&md->lock);
return (-ENOENT);
}
type = e->type;
switch (type) {
case MD_TYPE_STRING:
actual = e->value.mv_string;
break;
case MD_TYPE_SIGNED_INT:
ssnprintf(buffer, sizeof(buffer), "%" PRIi64, e->value.mv_signed_int);
actual = buffer;
break;
case MD_TYPE_UNSIGNED_INT:
ssnprintf(buffer, sizeof(buffer), "%" PRIu64, e->value.mv_unsigned_int);
actual = buffer;
break;
case MD_TYPE_DOUBLE:
ssnprintf(buffer, sizeof(buffer), GAUGE_FORMAT, e->value.mv_double);
actual = buffer;
break;
case MD_TYPE_BOOLEAN:
actual = e->value.mv_boolean ? "true" : "false";
break;
default:
pthread_mutex_unlock(&md->lock);
ERROR("meta_data_as_string: unknown type %d for key `%s'", type, key);
return (-ENOENT);
}
pthread_mutex_unlock(&md->lock);
temp = md_strdup(actual);
if (temp == NULL) {
pthread_mutex_unlock(&md->lock);
ERROR("meta_data_as_string: md_strdup failed for key `%s'.", key);
return (-ENOMEM);
}
*value = temp;
return (0);
} /* }}} int meta_data_as_string */
