X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer.h;h=eb9b8c4635c1c685322dccf4e439f8e59babb2a8;hb=446156b4cba25f3d9abc835dd0d531a447d52941;hp=acefacb218e3b8316011dff9f7c289bcda9428bd;hpb=f8f3885cc52af9d3c951da78989d6f4a25270411;p=lttng-tools.git

diff --git a/src/common/consumer/consumer.h b/src/common/consumer/consumer.h
index acefacb21..eb9b8c463 100644
--- a/src/common/consumer/consumer.h
+++ b/src/common/consumer/consumer.h
@@ -61,6 +61,7 @@ enum lttng_consumer_command {
 	LTTNG_CONSUMER_DISCARDED_EVENTS,
 	LTTNG_CONSUMER_LOST_PACKETS,
 	LTTNG_CONSUMER_CLEAR_QUIESCENT_CHANNEL,
+	LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE,
 };
 
 /* State of each fd in consumer */
@@ -160,6 +161,7 @@ struct lttng_consumer_channel {
 
 	/* Metadata cache is metadata channel */
 	struct consumer_metadata_cache *metadata_cache;
+
 	/* For UST metadata periodical flush */
 	int switch_timer_enabled;
 	timer_t switch_timer;
@@ -170,6 +172,10 @@ struct lttng_consumer_channel {
 	timer_t live_timer;
 	int live_timer_error;
 
+	/* For channel monitoring timer. */
+	int monitor_timer_enabled;
+	timer_t monitor_timer;
+
 	/* On-disk circular buffer */
 	uint64_t tracefile_size;
 	uint64_t tracefile_count;
@@ -218,6 +224,8 @@ struct lttng_consumer_channel {
 	uint64_t discarded_events;
 	/* Total number of missed packets due to overwriting (overwrite). */
 	uint64_t lost_packets;
+
+	bool streams_sent_to_relayd;
 };
 
 /*
@@ -337,9 +345,9 @@ struct lttng_consumer_stream {
 	 * Lock to use the stream FDs since they are used between threads.
 	 *
 	 * This is nested INSIDE the consumer_data lock.
-	 * This is nested INSIDE the metadata cache lock.
 	 * This is nested INSIDE the channel lock.
 	 * This is nested INSIDE the channel timer lock.
+	 * This is nested OUTSIDE the metadata cache lock.
 	 * This is nested OUTSIDE consumer_relayd_sock_pair lock.
 	 */
 	pthread_mutex_t lock;
@@ -539,6 +547,11 @@ struct lttng_consumer_local_data {
 	int consumer_should_quit[2];
 	/* Metadata poll thread pipe. Transfer metadata stream to it */
 	struct lttng_pipe *consumer_metadata_pipe;
+	/*
+	 * Pipe used by the channel monitoring timers to provide state samples
+	 * to the session daemon (write-only).
+	 */
+	int channel_monitor_pipe;
 };
 
 /*
@@ -591,6 +604,21 @@ struct lttng_consumer_global_data {
 	struct lttng_ht *stream_per_chan_id_ht;
 };
 
+/*
+ * Set to nonzero when the consumer is exiting. Updated by signal
+ * handler and thread exit, read by threads.
+ */
+extern int consumer_quit;
+
+/*
+ * Set to nonzero when the consumer is exiting. Updated by signal
+ * handler and thread exit, read by threads.
+ */
+extern int consumer_quit;
+
+/* Flag used to temporarily pause data consumption from testpoints. */
+extern int data_consumption_paused;
+
 /*
  * Init consumer data structures.
  */
@@ -710,7 +738,7 @@ int lttng_consumer_recv_cmd(struct lttng_consumer_local_data *ctx,
 ssize_t lttng_consumer_read_subbuffer(struct lttng_consumer_stream *stream,
 		struct lttng_consumer_local_data *ctx);
 int lttng_consumer_on_recv_stream(struct lttng_consumer_stream *stream);
-int consumer_add_relayd_socket(uint64_t net_seq_idx, int sock_type,
+void consumer_add_relayd_socket(uint64_t net_seq_idx, int sock_type,
 		struct lttng_consumer_local_data *ctx, int sock,
 		struct pollfd *consumer_sockpoll, struct lttcomm_relayd_sock *relayd_sock,
 		uint64_t sessiond_id, uint64_t relayd_session_id);
@@ -726,9 +754,9 @@ void consumer_destroy_relayd(struct consumer_relayd_sock_pair *relayd);
 unsigned long consumer_get_consume_start_pos(unsigned long consumed_pos,
 		unsigned long produced_pos, uint64_t nb_packets_per_stream,
 		uint64_t max_sb_size);
-int consumer_add_data_stream(struct lttng_consumer_stream *stream);
+void consumer_add_data_stream(struct lttng_consumer_stream *stream);
 void consumer_del_stream_for_data(struct lttng_consumer_stream *stream);
-int consumer_add_metadata_stream(struct lttng_consumer_stream *stream);
+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);