Generate session name and default output on sessiond's end

[lttng-tools.git] / src / bin / lttng-sessiond / cmd.h

diff --git a/src/bin/lttng-sessiond/cmd.h b/src/bin/lttng-sessiond/cmd.h
index e7e3442761a137739af8b792f7cab01be6d9a485..0821fb33d77ffdd5e296ec97d6bc6cd63e8e0e63 100644 (file)
--- a/src/bin/lttng-sessiond/cmd.h
+++ b/src/bin/lttng-sessiond/cmd.h
@@ -23,6 +23,20 @@
 
 struct notification_thread_handle;
 
+/*
+ * A callback (and associated user data) that should be run after a command
+ * has been executed. No locks should be taken while executing this handler.
+ *
+ * The command's reply should not be sent until the handler has run and
+ * completed successfully. On failure, the handler's return code should
+ * be the only reply sent to the client.
+ */
+typedef enum lttng_error_code (*completion_handler_function)(void *);
+struct cmd_completion_handler {
+       completion_handler_function run;
+       void *data;
+};
+
 /*
  * Init the command subsystem. Must be called before using any of the functions
  * above. This is called in the main() of the session daemon.
@@ -30,11 +44,10 @@ struct notification_thread_handle;
 void cmd_init(void);
 
 /* Session commands */
-int cmd_create_session_uri(char *name, struct lttng_uri *uris,
-               size_t nb_uri, lttng_sock_cred *creds, unsigned int live_timer);
-int cmd_create_session_snapshot(char *name, struct lttng_uri *uris,
-               size_t nb_uri, lttng_sock_cred *creds);
-int cmd_destroy_session(struct ltt_session *session, int wpipe);
+enum lttng_error_code cmd_create_session(struct command_ctx *cmd_ctx, int sock,
+               struct lttng_session_descriptor **return_descriptor);
+int cmd_destroy_session(struct ltt_session *session,
+               struct notification_thread_handle *notification_thread_handle);
 
 /* Channel commands */
 int cmd_disable_channel(struct ltt_session *session,
@@ -86,8 +99,8 @@ ssize_t cmd_list_channels(enum lttng_domain_type domain,
                struct ltt_session *session, struct lttng_channel **channels);
 ssize_t cmd_list_domains(struct ltt_session *session,
                struct lttng_domain **domains);
-void cmd_list_lttng_sessions(struct lttng_session *sessions, uid_t uid,
-               gid_t gid);
+void cmd_list_lttng_sessions(struct lttng_session *sessions,
+               size_t session_count, uid_t uid, gid_t gid);
 ssize_t cmd_list_tracepoint_fields(enum lttng_domain_type domain,
                struct lttng_event_field **fields);
 ssize_t cmd_list_tracepoints(enum lttng_domain_type domain,
@@ -118,4 +131,16 @@ int cmd_register_trigger(struct command_ctx *cmd_ctx, int sock,
 int cmd_unregister_trigger(struct command_ctx *cmd_ctx, int sock,
                struct notification_thread_handle *notification_thread_handle);
 
+int cmd_rotate_session(struct ltt_session *session,
+               struct lttng_rotate_session_return *rotate_return);
+int cmd_rotate_get_info(struct ltt_session *session,
+               struct lttng_rotation_get_info_return *info_return,
+               uint64_t rotate_id);
+int cmd_rotation_set_schedule(struct ltt_session *session,
+               bool activate, enum lttng_rotation_schedule_type schedule_type,
+               uint64_t value,
+               struct notification_thread_handle *notification_thread_handle);
+
+const struct cmd_completion_handler *cmd_pop_completion_handler(void);
+
 #endif /* CMD_H */