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Remove extern "C" from internal headers
[lttng-tools.git]
/
src
/
common
/
consumer
/
consumer.h
diff --git
a/src/common/consumer/consumer.h
b/src/common/consumer/consumer.h
index 4770671c003a35f40d67ce4d85f199587323e93f..7f8d14704d23ec6a8ad967ecc951f09d6d017ced 100644
(file)
--- a/
src/common/consumer/consumer.h
+++ b/
src/common/consumer/consumer.h
@@
-27,6
+27,7
@@
#include <common/trace-chunk-registry.h>
#include <common/credentials.h>
#include <common/buffer-view.h>
#include <common/trace-chunk-registry.h>
#include <common/credentials.h>
#include <common/buffer-view.h>
+#include <common/dynamic-array.h>
struct lttng_consumer_local_data;
struct lttng_consumer_local_data;
@@
-64,6
+65,7
@@
enum lttng_consumer_command {
LTTNG_CONSUMER_CLOSE_TRACE_CHUNK,
LTTNG_CONSUMER_TRACE_CHUNK_EXISTS,
LTTNG_CONSUMER_CLEAR_CHANNEL,
LTTNG_CONSUMER_CLOSE_TRACE_CHUNK,
LTTNG_CONSUMER_TRACE_CHUNK_EXISTS,
LTTNG_CONSUMER_CLEAR_CHANNEL,
+ LTTNG_CONSUMER_OPEN_CHANNEL_PACKETS,
};
enum lttng_consumer_type {
};
enum lttng_consumer_type {
@@
-88,7
+90,13
@@
enum consumer_channel_type {
CONSUMER_CHANNEL_TYPE_DATA = 1,
};
CONSUMER_CHANNEL_TYPE_DATA = 1,
};
-extern struct lttng_consumer_global_data consumer_data;
+enum sync_metadata_status {
+ SYNC_METADATA_STATUS_NEW_DATA,
+ SYNC_METADATA_STATUS_NO_DATA,
+ SYNC_METADATA_STATUS_ERROR,
+};
+
+extern struct lttng_consumer_global_data the_consumer_data;
struct stream_list {
struct cds_list_head head;
struct stream_list {
struct cds_list_head head;
@@
-152,7
+160,7
@@
struct lttng_consumer_channel {
/* For UST */
uid_t ust_app_uid; /* Application UID. */
/* For UST */
uid_t ust_app_uid; /* Application UID. */
- struct
ust
ctl_consumer_channel *uchan;
+ struct
lttng_ust_
ctl_consumer_channel *uchan;
unsigned char uuid[LTTNG_UUID_STR_LEN];
/*
* Temporary stream list used to store the streams once created and waiting
unsigned char uuid[LTTNG_UUID_STR_LEN];
/*
* Temporary stream list used to store the streams once created and waiting
@@
-291,6
+299,12
@@
struct stream_subbuffer {
} info;
};
} info;
};
+enum get_next_subbuffer_status {
+ GET_NEXT_SUBBUFFER_STATUS_OK,
+ GET_NEXT_SUBBUFFER_STATUS_NO_DATA,
+ GET_NEXT_SUBBUFFER_STATUS_ERROR,
+};
+
/*
* Perform any operation required to acknowledge
* the wake-up of a consumer stream (e.g. consume a byte on a wake-up pipe).
/*
* Perform any operation required to acknowledge
* the wake-up of a consumer stream (e.g. consume a byte on a wake-up pipe).
@@
-313,8
+327,8
@@
typedef int (*on_sleep_cb)(struct lttng_consumer_stream *,
*
* Stream and channel locks are acquired during this call.
*/
*
* Stream and channel locks are acquired during this call.
*/
-typedef
int (*get_next_subbuffer_cb)(struct lttng_consumer_stream *,
- struct stream_subbuffer *);
+typedef
enum get_next_subbuffer_status (*get_next_subbuffer_cb)(
+ struct
lttng_consumer_stream *, struct
stream_subbuffer *);
/*
* Populate the stream_subbuffer's info member. The info to populate
/*
* Populate the stream_subbuffer's info member. The info to populate
@@
-532,7
+546,7
@@
struct lttng_consumer_stream {
/* Stream name. Format is: <channel_name>_<cpu_number> */
char name[LTTNG_SYMBOL_NAME_LEN];
/* Internal state of libustctl. */
/* Stream name. Format is: <channel_name>_<cpu_number> */
char name[LTTNG_SYMBOL_NAME_LEN];
/* Internal state of libustctl. */
- struct
ust
ctl_consumer_stream *ustream;
+ struct
lttng_ust_
ctl_consumer_stream *ustream;
struct cds_list_head send_node;
/* On-disk circular buffer */
uint64_t tracefile_size_current;
struct cds_list_head send_node;
/* On-disk circular buffer */
uint64_t tracefile_size_current;
@@
-590,6
+604,9
@@
struct lttng_consumer_stream {
*/
uint64_t rotate_position;
*/
uint64_t rotate_position;
+ /* Whether or not a packet was opened during the current trace chunk. */
+ bool opened_packet_in_current_trace_chunk;
+
/*
* Read-only copies of channel values. We cannot safely access the
* channel from a stream, so we need to have a local copy of these
/*
* Read-only copies of channel values. We cannot safely access the
* channel from a stream, so we need to have a local copy of these
@@
-626,7
+643,7
@@
struct lttng_consumer_stream {
reset_metadata_cb reset_metadata;
consume_subbuffer_cb consume_subbuffer;
put_next_subbuffer_cb put_next_subbuffer;
reset_metadata_cb reset_metadata;
consume_subbuffer_cb consume_subbuffer;
put_next_subbuffer_cb put_next_subbuffer;
-
post_consume_cb post_consume
;
+
struct lttng_dynamic_array post_consume_cbs
;
send_live_beacon_cb send_live_beacon;
on_sleep_cb on_sleep;
unlock_cb unlock;
send_live_beacon_cb send_live_beacon;
on_sleep_cb on_sleep;
unlock_cb unlock;
@@
-781,30
+798,30
@@
struct lttng_consumer_global_data {
* This is nested OUTSIDE the stream lock.
* This is nested OUTSIDE the consumer_relayd_sock_pair lock.
*/
* This is nested OUTSIDE the stream lock.
* This is nested OUTSIDE the consumer_relayd_sock_pair lock.
*/
- pthread_mutex_t lock;
+ pthread_mutex_t lock
{}
;
/*
* Number of streams in the data stream hash table declared outside.
* Protected by consumer_data.lock.
*/
/*
* Number of streams in the data stream hash table declared outside.
* Protected by consumer_data.lock.
*/
- int stream_count;
+ int stream_count
= 0
;
/* Channel hash table protected by consumer_data.lock. */
/* Channel hash table protected by consumer_data.lock. */
- struct lttng_ht *channel_ht;
+ struct lttng_ht *channel_ht
= nullptr
;
/* Channel hash table indexed by session id. */
/* Channel hash table indexed by session id. */
- struct lttng_ht *channels_by_session_id_ht;
+ struct lttng_ht *channels_by_session_id_ht
= nullptr
;
/*
* Flag specifying if the local array of FDs needs update in the
* poll function. Protected by consumer_data.lock.
*/
/*
* Flag specifying if the local array of FDs needs update in the
* poll function. Protected by consumer_data.lock.
*/
- unsigned int need_update;
- enum lttng_consumer_type type;
+ unsigned int need_update
= 1
;
+ enum lttng_consumer_type type
= LTTNG_CONSUMER_UNKNOWN
;
/*
* Relayd socket(s) hashtable indexed by network sequence number. Each
* stream has an index which associate the right relayd socket to use.
*/
/*
* Relayd socket(s) hashtable indexed by network sequence number. Each
* stream has an index which associate the right relayd socket to use.
*/
- struct lttng_ht *relayd_ht;
+ struct lttng_ht *relayd_ht
= nullptr
;
/*
* This hash table contains all streams (metadata and data) indexed by
/*
* This hash table contains all streams (metadata and data) indexed by
@@
-813,17
+830,17
@@
struct lttng_consumer_global_data {
*
* This HT uses the "node_session_id" of the consumer stream.
*/
*
* This HT uses the "node_session_id" of the consumer stream.
*/
- struct lttng_ht *stream_list_ht;
+ struct lttng_ht *stream_list_ht
= nullptr
;
/*
* This HT uses the "node_channel_id" of the consumer stream.
*/
/*
* This HT uses the "node_channel_id" of the consumer stream.
*/
- struct lttng_ht *stream_per_chan_id_ht;
+ struct lttng_ht *stream_per_chan_id_ht
= nullptr
;
/*
* Trace chunk registry indexed by (session_id, chunk_id).
*/
/*
* Trace chunk registry indexed by (session_id, chunk_id).
*/
- struct lttng_trace_chunk_registry *chunk_registry;
+ struct lttng_trace_chunk_registry *chunk_registry
= nullptr
;
};
/*
};
/*
@@
-838,8
+855,12
@@
extern int consumer_quit;
*/
extern int consumer_quit;
*/
extern int consumer_quit;
-/* Flag used to temporarily pause data consumption from testpoints. */
-extern int data_consumption_paused;
+/*
+ * Flag used to temporarily pause data consumption from testpoints.
+ *
+ * This variable is dlsym-ed from a test, so needs to be exported.
+ */
+LTTNG_EXPORT extern int data_consumption_paused;
/* Return a human-readable consumer type string that is suitable for logging. */
static inline
/* Return a human-readable consumer type string that is suitable for logging. */
static inline
@@
-1039,5
+1060,9
@@
enum lttcomm_return_code lttng_consumer_init_command(
struct lttng_consumer_local_data *ctx,
const lttng_uuid sessiond_uuid);
int lttng_consumer_clear_channel(struct lttng_consumer_channel *channel);
struct lttng_consumer_local_data *ctx,
const lttng_uuid sessiond_uuid);
int lttng_consumer_clear_channel(struct lttng_consumer_channel *channel);
+enum lttcomm_return_code lttng_consumer_open_channel_packets(
+ struct lttng_consumer_channel *channel);
+int consumer_metadata_wakeup_pipe(const struct lttng_consumer_channel *channel);
+void lttng_consumer_sigbus_handle(void *addr);
#endif /* LIB_CONSUMER_H */
#endif /* LIB_CONSUMER_H */
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