X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=01548cd17f088bfab82e6bd57082ed2ff87c1510;hb=f50f23d9f80ed9fae7fe5c49aee65e813e0031c8;hp=ab1765c48618b4b43064707e7884820ed66111bb;hpb=173af62f4804133d4a7f45e34b6f72126f3eca5f;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h index ab1765c48..01548cd17 100644 --- a/src/bin/lttng-sessiond/consumer.h +++ b/src/bin/lttng-sessiond/consumer.h @@ -18,8 +18,6 @@ #ifndef _CONSUMER_H #define _CONSUMER_H -#include - #include #include #include @@ -38,6 +36,15 @@ struct consumer_socket { * To use this socket (send/recv), this lock MUST be acquired. */ pthread_mutex_t *lock; + + /* + * Indicates if the socket was registered by a third part + * (REGISTER_CONSUMER) or is the spawn consumer of the session daemon. + * During the destroy phase of a consumer output, we close the socket if + * this flag is set to 1 since we don't need the fd anymore. + */ + unsigned int registered; + struct lttng_ht_node_ulong node; }; @@ -45,7 +52,24 @@ struct consumer_data { enum lttng_consumer_type type; pthread_t thread; /* Worker thread interacting with the consumer */ - sem_t sem; + + /* Conditions used by the consumer thread to indicate readiness. */ + pthread_cond_t cond; + pthread_condattr_t condattr; + pthread_mutex_t cond_mutex; + + /* + * This is a flag condition indicating that the consumer thread is ready + * and connected to the lttng-consumerd daemon. This flag MUST only be + * updated by locking the condition mutex above or before spawning a + * consumer thread. + * + * A value of 0 means that the thread is NOT ready. A value of 1 means that + * the thread consumer did connect successfully to the lttng-consumerd + * daemon. A negative value indicates that there is been an error and the + * thread has likely quit. + */ + int consumer_thread_is_ready; /* Mutex to control consumerd pid assignation */ pthread_mutex_t pid_mutex; @@ -86,6 +110,10 @@ struct consumer_net { /* Data path for network streaming. */ struct lttng_uri data; + + /* Flag if network sockets were sent to the consumer. */ + unsigned int control_sock_sent; + unsigned int data_sock_sent; }; /* @@ -98,8 +126,8 @@ struct consumer_output { /* * The net_seq_index is the index of the network stream on the consumer - * side. It's basically the relayd socket file descriptor value so the - * consumer can identify which streams goes with which socket. + * side. It tells the consumer which streams goes to which relayd with this + * index. The relayd sockets are index with it on the consumer side. */ int net_seq_index; @@ -135,15 +163,23 @@ struct consumer_output *consumer_copy_output(struct consumer_output *obj); void consumer_destroy_output(struct consumer_output *obj); int consumer_set_network_uri(struct consumer_output *obj, struct lttng_uri *uri); -int consumer_send_fds(int sock, int *fds, size_t nb_fd); -int consumer_send_stream(int sock, struct consumer_output *dst, - struct lttcomm_consumer_msg *msg, int *fds, size_t nb_fd); -int consumer_send_channel(int sock, struct lttcomm_consumer_msg *msg); -int consumer_send_relayd_socket(int consumer_sock, +int consumer_send_fds(struct consumer_socket *sock, int *fds, size_t nb_fd); +int consumer_send_stream(struct consumer_socket *sock, + struct consumer_output *dst, struct lttcomm_consumer_msg *msg, + int *fds, size_t nb_fd); +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_sock *sock, struct consumer_output *consumer, enum lttng_stream_type type); int consumer_send_destroy_relayd(struct consumer_socket *sock, struct consumer_output *consumer); +int consumer_recv_status_reply(struct consumer_socket *sock); +void consumer_output_send_destroy_relayd(struct consumer_output *consumer); +int consumer_create_socket(struct consumer_data *data, + struct consumer_output *output); +int consumer_set_subdir(struct consumer_output *consumer, + const char *session_name); void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg, enum lttng_consumer_command cmd, @@ -157,12 +193,16 @@ void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg, int net_index, unsigned int metadata_flag, const char *name, - const char *pathname); + const char *pathname, + unsigned int session_id); void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg *msg, enum lttng_consumer_command cmd, int channel_key, uint64_t max_sb_size, uint64_t mmap_len, - const char *name); + const char *name, + unsigned int nb_init_streams); +int consumer_is_data_pending(unsigned int id, + struct consumer_output *consumer); #endif /* _CONSUMER_H */