X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=7277c405ec38bd0da71556a0c4a56c4035d47b6a;hp=b8d5630f472aed7b37e16a5ad9827fdb205bf0b0;hb=b178f53e90c376dd44b020535c32649edef8f80e;hpb=491d15395b58df09f8a3e7ba7404eb1f46392b79 diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h index b8d5630f4..7277c405e 100644 --- a/src/bin/lttng-sessiond/consumer.h +++ b/src/bin/lttng-sessiond/consumer.h @@ -27,6 +27,7 @@ struct snapshot; struct snapshot_output; +struct ltt_session; enum consumer_dst_type { CONSUMER_DST_LOCAL, @@ -66,26 +67,6 @@ struct consumer_socket { struct consumer_data { enum lttng_consumer_type type; - pthread_t thread; /* Worker thread interacting with the consumer */ - - /* 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; pid_t pid; @@ -108,8 +89,8 @@ struct consumer_data { struct consumer_socket metadata_sock; /* consumer error and command Unix socket path */ - char err_unix_sock_path[PATH_MAX]; - char cmd_unix_sock_path[PATH_MAX]; + const char *err_unix_sock_path; + const char *cmd_unix_sock_path; /* * This lock has two purposes. It protects any change to the consumer @@ -140,6 +121,9 @@ struct consumer_net { /* Data path for network streaming. */ struct lttng_uri data; + + /* / */ + char base_dir[PATH_MAX]; }; /* @@ -163,14 +147,16 @@ struct consumer_output { uint32_t relay_minor_version; /* - * Subdirectory path name used for both local and network consumer. + * Subdirectory path name used for both local and network + * consumer ("/kernel", "/ust", or empty). */ - char subdir[PATH_MAX]; + char domain_subdir[max(sizeof(DEFAULT_KERNEL_TRACE_DIR), + sizeof(DEFAULT_UST_TRACE_DIR))]; /* * Hashtable of consumer_socket index by the file descriptor value. For - * multiarch consumer support, we can have more than one consumer (ex: 32 - * and 64 bit). + * multiarch consumer support, we can have more than one consumer (ex: + * 32 and 64 bit). */ struct lttng_ht *socks; @@ -178,9 +164,15 @@ struct consumer_output { unsigned int snapshot:1; union { - char trace_path[PATH_MAX]; + char session_root_path[LTTNG_PATH_MAX]; struct consumer_net net; } dst; + + /* + * Sub-directory below the session_root_path where the next chunk of + * trace will be stored (\0 before the first session rotation). + */ + char chunk_path[LTTNG_PATH_MAX]; }; struct consumer_socket *consumer_find_socket(int key, @@ -205,14 +197,16 @@ struct consumer_output *consumer_create_output(enum consumer_dst_type type); struct consumer_output *consumer_copy_output(struct consumer_output *obj); void consumer_output_get(struct consumer_output *obj); void consumer_output_put(struct consumer_output *obj); -int consumer_set_network_uri(struct consumer_output *obj, +int consumer_set_network_uri(const struct ltt_session *session, + struct consumer_output *obj, struct lttng_uri *uri); -int consumer_send_fds(struct consumer_socket *sock, int *fds, size_t nb_fd); +int consumer_send_fds(struct consumer_socket *sock, const int *fds, + size_t nb_fd); int consumer_send_msg(struct consumer_socket *sock, struct lttcomm_consumer_msg *msg); int consumer_send_stream(struct consumer_socket *sock, struct consumer_output *dst, struct lttcomm_consumer_msg *msg, - int *fds, size_t nb_fd); + const 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, @@ -229,8 +223,6 @@ int consumer_recv_status_channel(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_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg, uint64_t subbuf_size, @@ -258,17 +250,17 @@ void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg, uint32_t ust_app_uid, int64_t blocking_timeout, const char *root_shm_path, - const char *shm_path); -void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg, - enum lttng_consumer_command cmd, + const char *shm_path, + uint64_t trace_archive_id); +void consumer_init_add_stream_comm_msg(struct lttcomm_consumer_msg *msg, uint64_t channel_key, uint64_t stream_key, - int cpu); + int32_t cpu, + uint64_t trace_archive_id); 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, +void consumer_init_add_channel_comm_msg(struct lttcomm_consumer_msg *msg, uint64_t channel_key, uint64_t session_id, const char *pathname, @@ -301,8 +293,26 @@ int consumer_get_lost_packets(uint64_t session_id, uint64_t channel_key, struct consumer_output *consumer, uint64_t *lost); /* Snapshot command. */ -int consumer_snapshot_channel(struct consumer_socket *socket, uint64_t key, - struct snapshot_output *output, int metadata, uid_t uid, gid_t gid, - const char *session_path, int wait, uint64_t nb_packets_per_stream); +enum lttng_error_code consumer_snapshot_channel(struct consumer_socket *socket, + uint64_t key, struct snapshot_output *output, int metadata, + uid_t uid, gid_t gid, const char *session_path, int wait, + uint64_t nb_packets_per_stream, uint64_t trace_archive_id); + +/* Rotation commands. */ +int consumer_rotate_channel(struct consumer_socket *socket, uint64_t key, + uid_t uid, gid_t gid, struct consumer_output *output, + const char *domain_path, bool is_metadata_channel, + uint64_t new_chunk_id); +int consumer_rotate_rename(struct consumer_socket *socket, uint64_t session_id, + const struct consumer_output *output, const char *old_path, + const char *new_path, uid_t uid, gid_t gid); +int consumer_check_rotation_pending_local(struct consumer_socket *socket, + uint64_t session_id, uint64_t chunk_id); +int consumer_check_rotation_pending_relay(struct consumer_socket *socket, + const struct consumer_output *output, uint64_t session_id, + uint64_t chunk_id); +int consumer_mkdir(struct consumer_socket *socket, uint64_t session_id, + const struct consumer_output *output, const char *path, + uid_t uid, gid_t gid); #endif /* _CONSUMER_H */