#ifndef _CONSUMER_H
#define _CONSUMER_H
-#include <common/consumer.h>
+#include <common/consumer/consumer.h>
#include <common/hashtable/hashtable.h>
#include <lttng/lttng.h>
+#include <urcu/ref.h>
-#include "health.h"
+#include "snapshot.h"
+
+struct snapshot;
+struct snapshot_output;
enum consumer_dst_type {
CONSUMER_DST_LOCAL,
};
struct consumer_socket {
- /* File descriptor */
- int fd;
+ /*
+ * File descriptor. This is just a reference to the consumer data meaning
+ * that every access must be locked and checked for a possible invalid
+ * value.
+ */
+ int *fd_ptr;
+
/*
* To use this socket (send/recv), this lock MUST be acquired.
*/
*/
unsigned int registered;
+ /* Flag if network sockets were sent to the consumer. */
+ unsigned int control_sock_sent;
+ unsigned int data_sock_sent;
+
struct lttng_ht_node_ulong node;
+
+ enum lttng_consumer_type type;
};
struct consumer_data {
pid_t pid;
int err_sock;
+ /* These two sockets uses the cmd_unix_sock_path. */
int cmd_sock;
+ /*
+ * Write-end of the channel monitoring pipe to be passed to the
+ * consumer.
+ */
+ int channel_monitor_pipe;
+ /*
+ * The metadata socket object is handled differently and only created
+ * locally in this object thus it's the only reference available in the
+ * session daemon. For that reason, a variable for the fd is required and
+ * the metadata socket fd points to it.
+ */
+ int metadata_fd;
+ 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];
- /* Health check of the thread */
- struct health_state health;
-
- /* communication lock */
+ /*
+ * This lock has two purposes. It protects any change to the consumer
+ * socket and make sure only one thread uses this object for read/write
+ * operations.
+ */
pthread_mutex_t lock;
};
/* 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;
};
/*
* Consumer output object describing where and how to send data.
*/
struct consumer_output {
+ struct urcu_ref ref; /* Refcount */
+
/* If the consumer is enabled meaning that should be used */
unsigned int enabled;
enum consumer_dst_type type;
* 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;
+ uint64_t net_seq_index;
+ /* Store the relay protocol in use if the session is remote. */
+ uint32_t relay_major_version;
+ uint32_t relay_minor_version;
/*
* Subdirectory path name used for both local and network consumer.
*/
struct lttng_ht *socks;
+ /* Tell if this output is used for snapshot. */
+ unsigned int snapshot:1;
+
union {
char trace_path[PATH_MAX];
struct consumer_net net;
struct consumer_socket *consumer_find_socket(int key,
struct consumer_output *consumer);
-struct consumer_socket *consumer_allocate_socket(int fd);
+struct consumer_socket *consumer_find_socket_by_bitness(int bits,
+ struct consumer_output *consumer);
+struct consumer_socket *consumer_allocate_socket(int *fd);
void consumer_add_socket(struct consumer_socket *sock,
struct consumer_output *consumer);
void consumer_del_socket(struct consumer_socket *sock,
struct consumer_output *consumer);
void consumer_destroy_socket(struct consumer_socket *sock);
+int consumer_copy_sockets(struct consumer_output *dst,
+ struct consumer_output *src);
+void consumer_destroy_output_sockets(struct consumer_output *obj);
+int consumer_socket_send(struct consumer_socket *socket, void *msg,
+ size_t len);
+int consumer_socket_recv(struct consumer_socket *socket, void *msg,
+ size_t len);
struct consumer_output *consumer_create_output(enum consumer_dst_type type);
struct consumer_output *consumer_copy_output(struct consumer_output *obj);
-void consumer_destroy_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,
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,
- struct lttcomm_sock *sock, struct consumer_output *consumer,
- enum lttng_stream_type type);
+int consumer_send_fds(struct consumer_socket *sock, 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);
+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_relayd_sock *rsock, struct consumer_output *consumer,
+ enum lttng_stream_type type, uint64_t session_id,
+ 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_destroy_relayd(struct consumer_socket *sock,
struct consumer_output *consumer);
+int consumer_recv_status_reply(struct consumer_socket *sock);
+int consumer_recv_status_channel(struct consumer_socket *sock,
+ uint64_t *key, unsigned int *stream_count);
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,
- int channel_key,
- int stream_key,
- uint32_t state,
- enum lttng_event_output output,
- uint64_t mmap_len,
+void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg,
+ uint64_t subbuf_size,
+ uint64_t num_subbuf,
+ int overwrite,
+ unsigned int switch_timer_interval,
+ unsigned int read_timer_interval,
+ unsigned int live_timer_interval,
+ unsigned int monitor_timer_interval,
+ int output,
+ int type,
+ uint64_t session_id,
+ const char *pathname,
+ const char *name,
uid_t uid,
gid_t gid,
- int net_index,
- unsigned int metadata_flag,
- const char *name,
- const char *pathname);
+ uint64_t relayd_id,
+ uint64_t key,
+ unsigned char *uuid,
+ uint32_t chan_id,
+ uint64_t tracefile_size,
+ uint64_t tracefile_count,
+ uint64_t session_id_per_pid,
+ unsigned int monitor,
+ uint32_t ust_app_uid,
+ 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,
+ uint64_t channel_key,
+ uint64_t stream_key,
+ int cpu);
+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,
- int channel_key,
- uint64_t max_sb_size,
- uint64_t mmap_len,
+ uint64_t channel_key,
+ uint64_t session_id,
+ const char *pathname,
+ uid_t uid,
+ gid_t gid,
+ uint64_t relayd_id,
const char *name,
- unsigned int nb_init_streams);
+ unsigned int nb_init_streams,
+ enum lttng_event_output output,
+ int type,
+ uint64_t tracefile_size,
+ uint64_t tracefile_count,
+ unsigned int monitor,
+ unsigned int live_timer_interval,
+ unsigned int monitor_timer_interval);
+int consumer_is_data_pending(uint64_t session_id,
+ struct consumer_output *consumer);
+int consumer_close_metadata(struct consumer_socket *socket,
+ uint64_t metadata_key);
+int consumer_setup_metadata(struct consumer_socket *socket,
+ uint64_t metadata_key);
+int consumer_push_metadata(struct consumer_socket *socket,
+ uint64_t metadata_key, char *metadata_str, size_t len,
+ size_t target_offset, uint64_t version);
+int consumer_flush_channel(struct consumer_socket *socket, uint64_t key);
+int consumer_clear_quiescent_channel(struct consumer_socket *socket, uint64_t key);
+int consumer_get_discarded_events(uint64_t session_id, uint64_t channel_key,
+ struct consumer_output *consumer, uint64_t *discarded);
+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);
#endif /* _CONSUMER_H */
projects / lttng-tools.git / blobdiff