X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=6bce96d96946abf263b9bad0bff0d6ff98d8dc49;hp=4da4b70d1496647e17c65afe06ae2d9889297ce4;hb=43c34bc328e6970b298c9f5cd661e2ca648ebf16;hpb=1d4dfdefb6efe31cd6436931f893caf7b05d0223

diff --git a/src/common/consumer.h b/src/common/consumer.h
index 4da4b70d1..6bce96d96 100644
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -77,6 +77,12 @@ struct lttng_consumer_channel {
 	int key;
 	uint64_t max_sb_size; /* the subbuffer size for this channel */
 	int refcount; /* Number of streams referencing this channel */
+	/*
+	 * The number of streams to receive initially. Used to guarantee that we do
+	 * not destroy a channel before receiving all its associated streams.
+	 */
+	unsigned int nb_init_streams;
+
 	/* For UST */
 	int shm_fd;
 	int wait_fd;
@@ -269,6 +275,10 @@ struct lttng_consumer_global_data {
 	struct lttng_ht *relayd_ht;
 };
 
+/* Defined in consumer.c and coupled with explanations */
+extern struct lttng_ht *metadata_ht;
+extern struct lttng_ht *data_ht;
+
 /*
  * Init consumer data structures.
  */
@@ -318,10 +328,6 @@ extern void lttng_consumer_sync_trace_file(
  */
 extern int lttng_consumer_poll_socket(struct pollfd *kconsumer_sockpoll);
 
-extern int consumer_update_poll_array(
-		struct lttng_consumer_local_data *ctx, struct pollfd **pollfd,
-		struct lttng_consumer_stream **local_consumer_streams);
-
 extern struct lttng_consumer_stream *consumer_allocate_stream(
 		int channel_key, int stream_key,
 		int shm_fd, int wait_fd,
@@ -332,9 +338,12 @@ extern struct lttng_consumer_stream *consumer_allocate_stream(
 		uid_t uid,
 		gid_t gid,
 		int net_index,
-		int metadata_flag);
-extern int consumer_add_stream(struct lttng_consumer_stream *stream);
-extern void consumer_del_stream(struct lttng_consumer_stream *stream);
+		int metadata_flag,
+		int *alloc_ret);
+extern void consumer_del_stream(struct lttng_consumer_stream *stream,
+		struct lttng_ht *ht);
+extern void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
+		struct lttng_ht *ht);
 extern void consumer_change_stream_state(int stream_key,
 		enum lttng_consumer_stream_state state);
 extern void consumer_del_channel(struct lttng_consumer_channel *channel);
@@ -342,17 +351,17 @@ extern struct lttng_consumer_channel *consumer_allocate_channel(
 		int channel_key,
 		int shm_fd, int wait_fd,
 		uint64_t mmap_len,
-		uint64_t max_sb_size);
+		uint64_t max_sb_size,
+		unsigned int nb_init_streams);
 int consumer_add_channel(struct lttng_consumer_channel *channel);
 
 /* lttng-relayd consumer command */
-int consumer_add_relayd(struct consumer_relayd_sock_pair *relayd);
 struct consumer_relayd_sock_pair *consumer_allocate_relayd_sock_pair(
 		int net_seq_idx);
 struct consumer_relayd_sock_pair *consumer_find_relayd(int key);
 int consumer_handle_stream_before_relayd(struct lttng_consumer_stream *stream,
 		size_t data_size);
-void consumer_destroy_relayd(struct consumer_relayd_sock_pair *relayd);
+void consumer_steal_stream_key(int key, struct lttng_ht *ht);
 
 extern struct lttng_consumer_local_data *lttng_consumer_create(
 		enum lttng_consumer_type type,
@@ -376,8 +385,9 @@ extern int lttng_consumer_get_produced_snapshot(
 		struct lttng_consumer_local_data *ctx,
 		struct lttng_consumer_stream *stream,
 		unsigned long *pos);
-extern void *lttng_consumer_thread_poll_fds(void *data);
-extern void *lttng_consumer_thread_receive_fds(void *data);
+extern void *consumer_thread_metadata_poll(void *data);
+extern void *consumer_thread_data_poll(void *data);
+extern void *consumer_thread_sessiond_poll(void *data);
 extern int lttng_consumer_recv_cmd(struct lttng_consumer_local_data *ctx,
 		int sock, struct pollfd *consumer_sockpoll);