X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=fe1568382f3971728fb2a15fbc4b7bec348541d5;hb=3cc2f24a5cdabfbcb1022c0798f6b4845f72b498;hp=9a93c427915bbd6de3aef1bdbc9440320244092a;hpb=c80048c6378b9ee7796c4b833a2c07f6050cc6d7;p=lttng-tools.git diff --git a/src/common/consumer.h b/src/common/consumer.h index 9a93c4279..fe1568382 100644 --- a/src/common/consumer.h +++ b/src/common/consumer.h @@ -101,8 +101,8 @@ struct lttng_ust_lib_ring_buffer; * uniquely a stream. */ struct lttng_consumer_stream { + /* Hash table node for both metadata and data type */ struct lttng_ht_node_ulong node; - struct lttng_ht_node_ulong waitfd_node; struct lttng_consumer_channel *chan; /* associated channel */ /* * key is the key used by the session daemon to refer to the @@ -230,8 +230,8 @@ struct lttng_consumer_local_data { /* communication with splice */ int consumer_thread_pipe[2]; int consumer_splice_metadata_pipe[2]; - /* pipe to wake the poll thread when necessary */ - int consumer_poll_pipe[2]; + /* Data stream poll thread pipe. To transfer data stream to the thread */ + int consumer_data_pipe[2]; /* to let the signal handler wake up the fd receiver thread */ int consumer_should_quit[2]; /* Metadata poll thread pipe. Transfer metadata stream to it */ @@ -253,13 +253,12 @@ struct lttng_consumer_global_data { pthread_mutex_t lock; /* - * Number of streams in the hash table. Protected by consumer_data.lock. + * Number of streams in the data stream hash table declared outside. + * Protected by consumer_data.lock. */ int stream_count; - /* - * Hash tables of streams and channels. Protected by consumer_data.lock. - */ - struct lttng_ht *stream_ht; + + /* Channel hash table protected by consumer_data.lock. */ struct lttng_ht *channel_ht; /* * Flag specifying if the local array of FDs needs update in the @@ -275,6 +274,10 @@ 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. */ @@ -324,10 +327,6 @@ 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, @@ -340,10 +339,10 @@ extern struct lttng_consumer_stream *consumer_allocate_stream( int net_index, int metadata_flag, int *alloc_ret); -extern int consumer_add_stream(struct lttng_consumer_stream *stream); -extern void consumer_del_stream(struct lttng_consumer_stream *stream); -extern void consumer_change_stream_state(int stream_key, - enum lttng_consumer_stream_state state); +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_del_channel(struct lttng_consumer_channel *channel); extern struct lttng_consumer_channel *consumer_allocate_channel( int channel_key, @@ -359,6 +358,7 @@ struct consumer_relayd_sock_pair *consumer_allocate_relayd_sock_pair( 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_steal_stream_key(int key, struct lttng_ht *ht); extern struct lttng_consumer_local_data *lttng_consumer_create( enum lttng_consumer_type type, @@ -382,8 +382,9 @@ 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);