X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Frotate.h;h=c7986c815dc671eaab660c342e40c05225cd3ff6;hb=92816cc33a1add3c8276839bd6335e17423577dd;hp=b2f006f3e2fc96bbf0260480e409772dc4e18cc5;hpb=db66e57489e5014289dc1d831e1eac90ac4fc0da;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/rotate.h b/src/bin/lttng-sessiond/rotate.h
index b2f006f3e..c7986c815 100644
--- a/src/bin/lttng-sessiond/rotate.h
+++ b/src/bin/lttng-sessiond/rotate.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2017 - Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2018 - 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
@@ -19,33 +20,19 @@
 #define ROTATE_H
 
 #include "rotation-thread.h"
+#include <stdint.h>
 
-/*
- * Key in channel_pending_rotate_ht to map a channel to a
- * struct rotation_channel_info.
- */
-struct rotation_channel_key {
-	uint64_t key;
-	enum lttng_domain_type domain;
-};
+int rotate_add_pending_rotation(struct ltt_session *session, uint64_t chunk_id);
+int rename_completed_chunk(struct ltt_session *session, time_t ts);
 
 /*
- * Added in channel_pending_rotate_ht everytime we start the rotation of a
- * channel. The consumer notifies the rotation thread with the channel_key to
- * inform a rotation is complete, we use that information to lookup the related
- * session from channel_pending_rotate_ht.
+ * Subscribe/unsubscribe the notification_channel from the rotation_thread to
+ * session usage notifications to perform size-based rotations.
  */
-struct rotation_channel_info {
-	uint64_t session_id;
-	struct rotation_channel_key channel_key;
-	struct cds_lfht_node rotate_channels_ht_node;
-};
-
-extern struct cds_lfht *channel_pending_rotate_ht;
-
-unsigned long hash_channel_key(struct rotation_channel_key *key);
-
-/* session lock must be held by this function's caller. */
-int rename_complete_chunk(struct ltt_session *session, time_t ts);
+int subscribe_session_consumed_size_rotation(struct ltt_session *session,
+		uint64_t size,
+		struct notification_thread_handle *notification_thread_handle);
+int unsubscribe_session_consumed_size_rotation(struct ltt_session *session,
+		struct notification_thread_handle *notification_thread_handle);
 
 #endif /* ROTATE_H */