LTTNG_CONSUMER_CLEAR_QUIESCENT_CHANNEL,
LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE,
LTTNG_CONSUMER_SET_CHANNEL_ROTATE_PIPE,
+ LTTNG_CONSUMER_ROTATE_CHANNEL,
LTTNG_CONSUMER_ROTATE_RENAME,
+ LTTNG_CONSUMER_ROTATE_PENDING_RELAY,
LTTNG_CONSUMER_MKDIR,
};
uint64_t lost_packets;
bool streams_sent_to_relayd;
+
+ /*
+ * Account how many streams are waiting for their rotation to be
+ * complete. When this number reaches 0, we inform the session
+ * daemon that this channel has finished its rotation.
+ */
+ uint64_t nr_stream_rotate_pending;
+
+ /*
+ * The chunk id where we currently write the data. This value is sent
+ * to the relay when we add a stream and when a stream rotates. This
+ * allows to keep track of where each stream on the relay is writing.
+ */
+ uint64_t current_chunk_id;
};
/*
uint64_t last_discarded_events;
/* Copy of the sequence number of the last packet extracted. */
uint64_t last_sequence_number;
+ /*
+ * Session's current trace archive id at the time of the creation of
+ * this stream.
+ */
+ uint64_t trace_archive_id;
/*
* Index file object of the index file for this stream.
*/
pthread_cond_t metadata_rdv;
pthread_mutex_t metadata_rdv_lock;
+ /*
+ * rotate_position represents the position in the ring-buffer that has to
+ * be flushed to disk to complete the ongoing rotation. When that position
+ * is reached, this tracefile can be closed and a new one is created in
+ * channel_read_only_attributes.path.
+ */
+ unsigned long rotate_position;
+
/*
* Read-only copies of channel values. We cannot safely access the
* channel from a stream, so we need to have a local copy of these
uint64_t tracefile_size;
} channel_read_only_attributes;
+ /*
+ * Flag to inform the data or metadata thread that a stream is
+ * ready to be rotated.
+ */
+ bool rotate_ready;
+
/* Indicate if the stream still has some data to be read. */
unsigned int has_data:1;
/*
/* Network sequence number. */
uint64_t net_seq_idx;
/* Number of stream associated with this relayd */
- unsigned int refcount;
+ int refcount;
/*
* This flag indicates whether or not we should destroy this object. The
/* Session id on both sides for the sockets. */
uint64_t relayd_session_id;
uint64_t sessiond_session_id;
+ struct lttng_consumer_local_data *ctx;
};
/*
int cpu,
int *alloc_ret,
enum consumer_channel_type type,
- unsigned int monitor);
+ unsigned int monitor,
+ uint64_t trace_archive_id);
struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key,
uint64_t session_id,
const char *pathname,
void consumer_add_metadata_stream(struct lttng_consumer_stream *stream);
void consumer_del_stream_for_metadata(struct lttng_consumer_stream *stream);
int consumer_create_index_file(struct lttng_consumer_stream *stream);
+int lttng_consumer_rotate_channel(uint64_t key, const char *path,
+ uint64_t relayd_id, uint32_t metadata,
+ uint64_t new_chunk_id, struct lttng_consumer_local_data *ctx);
+int lttng_consumer_stream_is_rotate_ready(struct lttng_consumer_stream *stream);
+int lttng_consumer_rotate_stream(struct lttng_consumer_local_data *ctx,
+ struct lttng_consumer_stream *stream, bool *rotated);
+int lttng_consumer_rotate_ready_streams(uint64_t key,
+ struct lttng_consumer_local_data *ctx);
int lttng_consumer_rotate_rename(const char *current_path, const char *new_path,
uid_t uid, gid_t gid, uint64_t relayd_id);
+int lttng_consumer_rotate_pending_relay( uint64_t session_id,
+ uint64_t relayd_id, uint64_t chunk_id);
+void lttng_consumer_reset_stream_rotate_state(struct lttng_consumer_stream *stream);
int lttng_consumer_mkdir(const char *path, uid_t uid, gid_t gid,
uint64_t relayd_id);
+void lttng_consumer_cleanup_relayd(struct consumer_relayd_sock_pair *relayd);
#endif /* LIB_CONSUMER_H */