X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=e9c7e31e31990eafde155956fb6a0f726cf95506;hp=77bc2b1f12b8cf6c08a7fc402a953be4ce86a296;hb=8e319828707210e48a5f3e74495881594dba73e8;hpb=e9404c27e7cc9d841785e6c4292c1add19fbc1cc diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h index 77bc2b1f1..e9c7e31e3 100644 --- a/src/bin/lttng-sessiond/consumer.h +++ b/src/bin/lttng-sessiond/consumer.h @@ -108,8 +108,8 @@ 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 +140,9 @@ struct consumer_net { /* Data path for network streaming. */ struct lttng_uri data; + + /* / */ + char base_dir[PATH_MAX]; }; /* @@ -163,9 +166,10 @@ 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 or /ust). */ - char subdir[PATH_MAX]; + char subdir[LTTNG_PATH_MAX]; /* * Hashtable of consumer_socket index by the file descriptor value. For @@ -178,9 +182,15 @@ 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, @@ -207,12 +217,13 @@ 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, 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, @@ -256,18 +267,19 @@ void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg, uint64_t session_id_per_pid, unsigned int monitor, 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, @@ -301,7 +313,24 @@ int consumer_get_lost_packets(uint64_t session_id, uint64_t channel_key, /* 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); + 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, + 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 */