X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=43989e4c55757d760cad1b4fdf93ca29b739453c;hb=3cc048812bf25b42003b40b6b868b9366faefafb;hp=29836e5b09cf6e25220e20baac2d3fd48b5cfa08;hpb=d8ef542d25837bdfb960e5df2a91c5d18f5ef401;p=lttng-tools.git

diff --git a/src/common/consumer.h b/src/common/consumer.h
index 29836e5b0..43989e4c5 100644
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -52,6 +52,7 @@ enum lttng_consumer_command {
 	LTTNG_CONSUMER_PUSH_METADATA,
 	LTTNG_CONSUMER_CLOSE_METADATA,
 	LTTNG_CONSUMER_SETUP_METADATA,
+	LTTNG_CONSUMER_FLUSH_CHANNEL,
 };
 
 /* State of each fd in consumer */
@@ -88,6 +89,9 @@ struct stream_list {
 	unsigned int count;
 };
 
+/* Stub. */
+struct consumer_metadata_cache;
+
 struct lttng_consumer_channel {
 	/* HT node used for consumer_data.channel_ht */
 	struct lttng_ht_node_u64 node;
@@ -131,16 +135,22 @@ struct lttng_consumer_channel {
 	 * regular channel, this is always set to NULL.
 	 */
 	struct lttng_consumer_stream *metadata_stream;
-	/*
-	 * Metadata written so far. Helps keeping track of
-	 * contiguousness and order.
-	 */
-	uint64_t contig_metadata_written;
 
 	/* for UST */
 	int wait_fd;
 	/* Node within channel thread ht */
 	struct lttng_ht_node_u64 wait_fd_node;
+
+	/* Metadata cache is metadata channel */
+	struct consumer_metadata_cache *metadata_cache;
+	/* For metadata periodical flush */
+	int switch_timer_enabled;
+	timer_t switch_timer;
+	int switch_timer_error;
+
+	/* On-disk circular buffer */
+	uint64_t tracefile_size;
+	uint64_t tracefile_count;
 };
 
 /*
@@ -228,6 +238,9 @@ struct lttng_consumer_stream {
 	/* Internal state of libustctl. */
 	struct ustctl_consumer_stream *ustream;
 	struct cds_list_head send_node;
+	/* On-disk circular buffer */
+	uint64_t tracefile_size_current;
+	uint64_t tracefile_count_current;
 };
 
 /*
@@ -258,14 +271,14 @@ struct consumer_relayd_sock_pair {
 	pthread_mutex_t ctrl_sock_mutex;
 
 	/* Control socket. Command and metadata are passed over it */
-	struct lttcomm_sock control_sock;
+	struct lttcomm_relayd_sock control_sock;
 
 	/*
 	 * We don't need a mutex at this point since we only splice or write single
 	 * large chunk of data with a header appended at the begining. Moreover,
 	 * this socket is for now only used in a single thread.
 	 */
-	struct lttcomm_sock data_sock;
+	struct lttcomm_relayd_sock data_sock;
 	struct lttng_ht_node_u64 node;
 
 	/* Session id on both sides for the sockets. */
@@ -321,8 +334,11 @@ struct lttng_consumer_local_data {
 	 *    < 0 (error)
 	 */
 	int (*on_update_stream)(int sessiond_key, uint32_t state);
+	enum lttng_consumer_type type;
 	/* socket to communicate errors with sessiond */
 	int consumer_error_socket;
+	/* socket to ask metadata to sessiond */
+	int consumer_metadata_socket;
 	/* socket to exchange commands with sessiond */
 	char *consumer_command_sock_path;
 	/* communication with splice */
@@ -452,7 +468,9 @@ struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key,
 		uid_t uid,
 		gid_t gid,
 		int relayd_id,
-		enum lttng_event_output output);
+		enum lttng_event_output output,
+		uint64_t tracefile_size,
+		uint64_t tracefile_count);
 void consumer_del_stream(struct lttng_consumer_stream *stream,
 		struct lttng_ht *ht);
 void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
@@ -501,7 +519,7 @@ ssize_t lttng_consumer_read_subbuffer(struct lttng_consumer_stream *stream,
 int lttng_consumer_on_recv_stream(struct lttng_consumer_stream *stream);
 int consumer_add_relayd_socket(int net_seq_idx, int sock_type,
 		struct lttng_consumer_local_data *ctx, int sock,
-		struct pollfd *consumer_sockpoll, struct lttcomm_sock *relayd_sock,
+		struct pollfd *consumer_sockpoll, struct lttcomm_relayd_sock *relayd_sock,
 		unsigned int sessiond_id);
 void consumer_flag_relayd_for_destroy(
 		struct consumer_relayd_sock_pair *relayd);
@@ -509,5 +527,7 @@ int consumer_data_pending(uint64_t id);
 int consumer_send_status_msg(int sock, int ret_code);
 int consumer_send_status_channel(int sock,
 		struct lttng_consumer_channel *channel);
+void notify_thread_del_channel(struct lttng_consumer_local_data *ctx,
+		uint64_t key);
 
 #endif /* LIB_CONSUMER_H */