Fix: consumerd: live client receives incomplete metadata

[lttng-tools.git] / src / common / consumer / metadata-bucket.h

diff --git a/src/common/consumer/metadata-bucket.h b/src/common/consumer/metadata-bucket.h
new file mode 100644 (file)
index 0000000..0355eb3
--- /dev/null
+++ b/src/common/consumer/metadata-bucket.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#ifndef METADATA_BUCKET_H
+#define METADATA_BUCKET_H
+
+#include <common/consumer/consumer.h>
+
+struct metadata_bucket;
+
+typedef ssize_t (*metadata_bucket_flush_cb)(
+               const struct stream_subbuffer *buffer, void *data);
+
+enum metadata_bucket_status {
+       METADATA_BUCKET_STATUS_OK,
+       METADATA_BUCKET_STATUS_ERROR,
+};
+
+struct metadata_bucket *metadata_bucket_create(
+               metadata_bucket_flush_cb flush, void *data);
+
+void metadata_bucket_destroy(struct metadata_bucket *bucket);
+
+enum metadata_bucket_status metadata_bucket_fill(struct metadata_bucket *bucket,
+               const struct stream_subbuffer *buffer);
+
+void metadata_bucket_reset(struct metadata_bucket *bucket);
+
+#endif /* METADATA_BUCKET_H */
+