X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=cdc48b7f3131df6600af05bf3c31cd70a5046266;hb=c19092cd4d6af49c38322fc55ca91f17f03f32ac;hp=77bc2b1f12b8cf6c08a7fc402a953be4ce86a296;hpb=e9404c27e7cc9d841785e6c4292c1add19fbc1cc;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h
index 77bc2b1f1..cdc48b7f3 100644
--- a/src/bin/lttng-sessiond/consumer.h
+++ b/src/bin/lttng-sessiond/consumer.h
@@ -98,6 +98,11 @@ struct consumer_data {
 	 * consumer.
 	 */
 	int channel_monitor_pipe;
+	/*
+	 * Write-end of the channel rotation pipe to be passed to the
+	 * consumer.
+	 */
+	int channel_rotate_pipe;
 	/*
 	 * The metadata socket object is handled differently and only created
 	 * locally in this object thus it's the only reference available in the
@@ -108,8 +113,8 @@ 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 +145,9 @@ struct consumer_net {
 
 	/* Data path for network streaming. */
 	struct lttng_uri data;
+
+	/* <hostname>/<session-name> */
+	char base_dir[PATH_MAX];
 };
 
 /*
@@ -163,9 +171,10 @@ 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 +187,15 @@ 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 +222,13 @@ 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,
@@ -221,6 +237,8 @@ int consumer_send_relayd_socket(struct consumer_socket *consumer_sock,
 		char *session_name, char *hostname, int session_live_timer);
 int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock,
 		int pipe);
+int consumer_send_channel_rotate_pipe(struct consumer_socket *consumer_sock,
+		int pipe);
 int consumer_send_destroy_relayd(struct consumer_socket *sock,
 		struct consumer_output *consumer);
 int consumer_recv_status_reply(struct consumer_socket *sock);
@@ -256,18 +274,19 @@ 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 +320,22 @@ 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);
+
+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,
+		bool *rotate_pending_relay);
+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_rotate_pending_relay(struct consumer_socket *socket,
+		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 */