#include <common/compat/fcntl.h>
#include <common/compat/uuid.h>
#include <common/sessiond-comm/sessiond-comm.h>
+#include <common/pipe.h>
/* Commands for consumer */
enum lttng_consumer_command {
LTTNG_CONSUMER_CLOSE_METADATA,
LTTNG_CONSUMER_SETUP_METADATA,
LTTNG_CONSUMER_FLUSH_CHANNEL,
+ LTTNG_CONSUMER_SNAPSHOT_CHANNEL,
+ LTTNG_CONSUMER_SNAPSHOT_METADATA,
};
/* State of each fd in consumer */
CONSUMER_CHANNEL_TYPE_DATA = 1,
};
+extern struct lttng_consumer_global_data consumer_data;
+
struct stream_list {
struct cds_list_head head;
unsigned int count;
* LTTNG_CONSUMER_GET_CHANNEL.
*/
struct stream_list streams;
+
+ /*
+ * List of streams in no monitor mode for this channel. Used ONLY for
+ * snapshots recording.
+ */
+ struct stream_list stream_no_monitor_list;
+
/*
* Set if the channel is metadata. We keep a reference to the stream
* because we have to flush data once pushed by the session daemon. For a
/* For metadata periodical flush */
int switch_timer_enabled;
timer_t switch_timer;
+ int switch_timer_error;
+
/* On-disk circular buffer */
uint64_t tracefile_size;
uint64_t tracefile_count;
+ /*
+ * Monitor or not the streams of this channel meaning this indicates if the
+ * streams should be sent to the data/metadata thread or added to the no
+ * monitor list of the channel.
+ */
+ unsigned int monitor;
};
/*
* Lock to use the stream FDs since they are used between threads.
*
* This is nested INSIDE the consumer_data lock.
+ * This is nested INSIDE the metadata cache lock.
* This is nested OUTSIDE consumer_relayd_sock_pair lock.
*/
pthread_mutex_t lock;
/* On-disk circular buffer */
uint64_t tracefile_size_current;
uint64_t tracefile_count_current;
+
+ /* Node for the no monitor stream list in a channel. */
+ struct cds_list_head no_monitor_node;
};
/*
int consumer_channel_pipe[2];
int consumer_splice_metadata_pipe[2];
/* Data stream poll thread pipe. To transfer data stream to the thread */
- int consumer_data_pipe[2];
+ struct lttng_pipe *consumer_data_pipe;
/* to let the signal handler wake up the fd receiver thread */
int consumer_should_quit[2];
/* Metadata poll thread pipe. Transfer metadata stream to it */
- int consumer_metadata_pipe[2];
+ struct lttng_pipe *consumer_metadata_pipe;
};
/*
const char *channel_name,
uid_t uid,
gid_t gid,
- int relayd_id,
+ uint64_t relayd_id,
uint64_t session_id,
int cpu,
int *alloc_ret,
const char *name,
uid_t uid,
gid_t gid,
- int relayd_id,
+ uint64_t relayd_id,
enum lttng_event_output output,
uint64_t tracefile_size,
- uint64_t tracefile_count);
+ uint64_t tracefile_count,
+ unsigned int monitor);
void consumer_del_stream(struct lttng_consumer_stream *stream,
struct lttng_ht *ht);
void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
int consumer_send_status_msg(int sock, int ret_code);
int consumer_send_status_channel(int sock,
struct lttng_consumer_channel *channel);
+void notify_thread_del_channel(struct lttng_consumer_local_data *ctx,
+ uint64_t key);
+void consumer_destroy_relayd(struct consumer_relayd_sock_pair *relayd);
#endif /* LIB_CONSUMER_H */