--- /dev/null
+/*
+ * Copyright (C) 2019 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_SESSION_DESCRIPTOR_INTERNAL_H
+#define LTTNG_SESSION_DESCRIPTOR_INTERNAL_H
+
+#include <lttng/session-descriptor.h>
+#include <lttng/lttng-error.h>
+#include <common/uri.hpp>
+#include <common/dynamic-buffer.hpp>
+#include <common/buffer-view.hpp>
+#include <stdbool.h>
+
+/* Note that these enums are used as part of the lttnctl protocol. */
+enum lttng_session_descriptor_type {
+ LTTNG_SESSION_DESCRIPTOR_TYPE_UNKNOWN = -1,
+ /*
+ * The output type determines whether this is a no-output, local,
+ * or networked tracing session.
+ */
+ LTTNG_SESSION_DESCRIPTOR_TYPE_REGULAR = 1,
+ LTTNG_SESSION_DESCRIPTOR_TYPE_SNAPSHOT = 2,
+ LTTNG_SESSION_DESCRIPTOR_TYPE_LIVE = 3,
+};
+
+enum lttng_session_descriptor_output_type {
+ LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NONE = 0,
+ LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_LOCAL = 1,
+ LTTNG_SESSION_DESCRIPTOR_OUTPUT_TYPE_NETWORK = 2,
+};
+
+ssize_t lttng_session_descriptor_create_from_buffer(
+ const struct lttng_buffer_view *view,
+ struct lttng_session_descriptor **descriptor);
+
+int lttng_session_descriptor_serialize(
+ const struct lttng_session_descriptor *descriptor,
+ struct lttng_dynamic_buffer *buffer);
+
+enum lttng_session_descriptor_type
+lttng_session_descriptor_get_type(
+ const struct lttng_session_descriptor *descriptor);
+
+enum lttng_session_descriptor_output_type
+lttng_session_descriptor_get_output_type(
+ const struct lttng_session_descriptor *descriptor);
+
+void lttng_session_descriptor_get_local_output_uri(
+ const struct lttng_session_descriptor *descriptor,
+ struct lttng_uri *local_uri);
+
+void lttng_session_descriptor_get_network_output_uris(
+ const struct lttng_session_descriptor *descriptor,
+ struct lttng_uri *control,
+ struct lttng_uri *data);
+
+unsigned long long
+lttng_session_descriptor_live_get_timer_interval(
+ const struct lttng_session_descriptor *descriptor);
+
+int lttng_session_descriptor_set_session_name(
+ struct lttng_session_descriptor *descriptor,
+ const char *name);
+
+bool lttng_session_descriptor_is_output_destination_initialized(
+ const struct lttng_session_descriptor *descriptor);
+
+bool lttng_session_descriptor_has_output_directory(
+ const struct lttng_session_descriptor *descriptor);
+
+enum lttng_error_code lttng_session_descriptor_set_default_output(
+ struct lttng_session_descriptor *descriptor,
+ time_t *session_creation_time,
+ const char *absolute_home_path);
+
+int lttng_session_descriptor_assign(
+ struct lttng_session_descriptor *dst_descriptor,
+ const struct lttng_session_descriptor *src_descriptor);
+
+#endif /* LTTNG_SESSION_DESCRIPTOR_INTERNAL_H */