relayd: add the sessiond_trace_chunk_registry interface

[lttng-tools.git] / src / bin / lttng-relayd / sessiond-trace-chunks.h

diff --git a/src/bin/lttng-relayd/sessiond-trace-chunks.h b/src/bin/lttng-relayd/sessiond-trace-chunks.h
new file mode 100644 (file)
index 0000000..3980467
--- /dev/null
+++ b/src/bin/lttng-relayd/sessiond-trace-chunks.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2019 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License, version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef SESSIOND_TRACE_CHUNK_REGISTRY_H
+#define SESSIOND_TRACE_CHUNK_REGISTRY_H
+
+#include <common/compat/uuid.h>
+#include <common/trace-chunk.h>
+#include <stdint.h>
+
+struct sessiond_trace_chunk_registry;
+
+struct sessiond_trace_chunk_registry *
+sessiond_trace_chunk_registry_create(void);
+
+void sessiond_trace_chunk_registry_destroy(
+               struct sessiond_trace_chunk_registry *sessiond_registry);
+
+int sessiond_trace_chunk_registry_session_created(
+               struct sessiond_trace_chunk_registry *sessiond_registry,
+               const lttng_uuid sessiond_uuid);
+
+int sessiond_trace_chunk_registry_session_destroyed(
+               struct sessiond_trace_chunk_registry *sessiond_registry,
+               const lttng_uuid sessiond_uuid);
+
+struct lttng_trace_chunk *sessiond_trace_chunk_registry_publish_chunk(
+               struct sessiond_trace_chunk_registry *sessiond_registry,
+               const lttng_uuid sessiond_uuid, uint64_t session_id,
+               struct lttng_trace_chunk *chunk);
+
+struct lttng_trace_chunk *
+sessiond_trace_chunk_registry_get_anonymous_chunk(
+               struct sessiond_trace_chunk_registry *sessiond_registry,
+               const lttng_uuid sessiond_uuid,
+               uint64_t session_id);
+
+struct lttng_trace_chunk *
+sessiond_trace_chunk_registry_get_chunk(
+               struct sessiond_trace_chunk_registry *sessiond_registry,
+               const lttng_uuid sessiond_uuid,
+               uint64_t session_id, uint64_t chunk_id);
+
+#endif /* SESSIOND_TRACE_CHUNK_REGISTRY_H */