X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=3601ed9147c170ae3a5bb8a7180f4e3f8e44279b;hb=8f0044bfed9f5ca51eab51478f483f92cc8f84a7;hp=eaa115333584d88e6edcfa3785b46ec3addf78d3;hpb=52898cb1ecfe2cf37bda9b95039826da517b9a5b;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h
index eaa115333..3601ed914 100644
--- a/src/bin/lttng-sessiond/consumer.h
+++ b/src/bin/lttng-sessiond/consumer.h
@@ -35,9 +35,10 @@ enum consumer_dst_type {
 struct consumer_socket {
 	/*
 	 * File descriptor. This is just a reference to the consumer data meaning
-	 * that every access must be locked and check for a possible invalid value.
+	 * that every access must be locked and checked for a possible invalid
+	 * value.
 	 */
-	int *fd;
+	int *fd_ptr;
 
 	/*
 	 * To use this socket (send/recv), this lock MUST be acquired.
@@ -94,8 +95,8 @@ struct consumer_data {
 	/*
 	 * The metadata socket object is handled differently and only created
 	 * locally in this object thus it's the only reference available in the
-	 * session daemon. For that reason, a static variable for the fd is
-	 * required and the metadata socket fd points to it.
+	 * session daemon. For that reason, a variable for the fd is required and
+	 * the metadata socket fd points to it.
 	 */
 	int metadata_fd;
 	struct consumer_socket metadata_sock;
@@ -104,7 +105,11 @@ struct consumer_data {
 	char err_unix_sock_path[PATH_MAX];
 	char cmd_unix_sock_path[PATH_MAX];
 
-	/* communication lock */
+	/*
+	 * This lock has two purposes. It protects any change to the consumer
+	 * socket and make sure only one thread uses this object for read/write
+	 * operations.
+	 */
 	pthread_mutex_t lock;
 };
 
@@ -158,6 +163,9 @@ struct consumer_output {
 	 */
 	struct lttng_ht *socks;
 
+	/* Tell if this output is used for snapshot. */
+	unsigned int snapshot:1;
+
 	union {
 		char trace_path[PATH_MAX];
 		struct consumer_net net;
@@ -197,7 +205,8 @@ int consumer_send_channel(struct consumer_socket *sock,
 		struct lttcomm_consumer_msg *msg);
 int consumer_send_relayd_socket(struct consumer_socket *consumer_sock,
 		struct lttcomm_relayd_sock *rsock, struct consumer_output *consumer,
-		enum lttng_stream_type type, uint64_t session_id);
+		enum lttng_stream_type type, uint64_t session_id,
+		char *session_name, char *hostname, int session_live_timer);
 int consumer_send_destroy_relayd(struct consumer_socket *sock,
 		struct consumer_output *consumer);
 int consumer_recv_status_reply(struct consumer_socket *sock);
@@ -215,6 +224,7 @@ void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg,
 		int overwrite,
 		unsigned int switch_timer_interval,
 		unsigned int read_timer_interval,
+		unsigned int live_timer_interval,
 		int output,
 		int type,
 		uint64_t session_id,
@@ -236,6 +246,9 @@ void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg,
 		uint64_t channel_key,
 		uint64_t stream_key,
 		int cpu);
+void consumer_init_streams_sent_comm_msg(struct lttcomm_consumer_msg *msg,
+		enum lttng_consumer_command cmd,
+		uint64_t channel_key, uint64_t net_seq_idx);
 void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg *msg,
 		enum lttng_consumer_command cmd,
 		uint64_t channel_key,
@@ -250,7 +263,8 @@ void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg *msg,
 		int type,
 		uint64_t tracefile_size,
 		uint64_t tracefile_count,
-		unsigned int monitor);
+		unsigned int monitor,
+		unsigned int live_timer_interval);
 int consumer_is_data_pending(uint64_t session_id,
 		struct consumer_output *consumer);
 int consumer_close_metadata(struct consumer_socket *socket,