* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <assert.h>
#include <inttypes.h>
#include <string.h>
#include <common/defaults.h>
#include "snapshot.h"
+#include "utils.h"
/*
* Return the atomically incremented value of next_output_id.
{
int ret = 0, i;
- assert(output);
+ memset(output, 0, sizeof(struct snapshot_output));
+ /*
+ * max_size of -1ULL means unset. Set to default (unlimited).
+ */
+ if (max_size == (uint64_t) -1ULL) {
+ max_size = 0;
+ }
output->max_size = max_size;
+
if (snapshot) {
output->id = get_next_output_id(snapshot);
}
ret = -ENOMEM;
goto error;
}
+ output->consumer->snapshot = 1;
/* No URL given. */
if (nb_uri == 0) {
if (obj->consumer) {
consumer_output_send_destroy_relayd(obj->consumer);
- consumer_destroy_output(obj->consumer);
+ consumer_output_put(obj->consumer);
}
free(obj);
}
+/*
+ * RCU read side lock MUST be acquired before calling this since the returned
+ * pointer is in a RCU hash table.
+ *
+ * Return the reference on success or else NULL.
+ */
+struct snapshot_output *snapshot_find_output_by_name(const char *name,
+ struct snapshot *snapshot)
+{
+ struct lttng_ht_iter iter;
+ struct snapshot_output *output = NULL;
+
+ assert(snapshot);
+ assert(name);
+
+ cds_lfht_for_each_entry(snapshot->output_ht->ht, &iter.iter, output,
+ node.node) {
+ if (!strncmp(output->name, name, strlen(name))) {
+ return output;
+ }
+ }
+
+ /* Not found */
+ return NULL;
+}
+
/*
* RCU read side lock MUST be acquired before calling this since the returned
* pointer is in a RCU hash table.
snapshot_output_destroy(output);
}
rcu_read_unlock();
+ ht_cleanup_push(obj->output_ht);
}