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Support flight recorder mode for a session
[deliverable/lttng-tools.git]
/
src
/
common
/
sessiond-comm
/
sessiond-comm.h
diff --git
a/src/common/sessiond-comm/sessiond-comm.h
b/src/common/sessiond-comm/sessiond-comm.h
index 63d4eda078866b17342089aae7382e5aebf243a2..07c3ff1f5249146d311df90b44664a38b36d16c8 100644
(file)
--- a/
src/common/sessiond-comm/sessiond-comm.h
+++ b/
src/common/sessiond-comm/sessiond-comm.h
@@
-28,6
+28,7
@@
#define _GNU_SOURCE
#include <limits.h>
#include <lttng/lttng.h>
#define _GNU_SOURCE
#include <limits.h>
#include <lttng/lttng.h>
+#include <lttng/snapshot-internal.h>
#include <common/compat/socket.h>
#include <common/uri.h>
#include <common/defaults.h>
#include <common/compat/socket.h>
#include <common/uri.h>
#include <common/defaults.h>
@@
-82,6
+83,10
@@
enum lttcomm_sessiond_command {
LTTNG_ENABLE_EVENT_WITH_FILTER = 22,
LTTNG_HEALTH_CHECK = 23,
LTTNG_DATA_PENDING = 24,
LTTNG_ENABLE_EVENT_WITH_FILTER = 22,
LTTNG_HEALTH_CHECK = 23,
LTTNG_DATA_PENDING = 24,
+ LTTNG_SNAPSHOT_ADD_OUTPUT = 25,
+ LTTNG_SNAPSHOT_DEL_OUTPUT = 26,
+ LTTNG_SNAPSHOT_LIST_OUTPUT = 27,
+ LTTNG_SNAPSHOT_RECORD = 28,
};
enum lttcomm_relayd_command {
};
enum lttcomm_relayd_command {
@@
-171,6
+176,16
@@
struct lttcomm_sock {
const struct lttcomm_proto_ops *ops;
} LTTNG_PACKED;
const struct lttcomm_proto_ops *ops;
} LTTNG_PACKED;
+/*
+ * Relayd sock. Adds the protocol version to use for the communications with
+ * the relayd.
+ */
+struct lttcomm_relayd_sock {
+ struct lttcomm_sock sock;
+ uint32_t major;
+ uint32_t minor;
+} LTTNG_PACKED;
+
struct lttcomm_net_family {
int family;
int (*create) (struct lttcomm_sock *sock, int type, int proto);
struct lttcomm_net_family {
int family;
int (*create) (struct lttcomm_sock *sock, int type, int proto);
@@
-230,6
+245,13
@@
struct lttcomm_session_msg {
/* Number of lttng_uri following */
uint32_t size;
} LTTNG_PACKED uri;
/* Number of lttng_uri following */
uint32_t size;
} LTTNG_PACKED uri;
+ struct {
+ struct lttng_snapshot_output output;
+ } LTTNG_PACKED snapshot_output;
+ struct {
+ uint32_t wait;
+ struct lttng_snapshot_output output;
+ } LTTNG_PACKED snapshot_record;
} u;
} LTTNG_PACKED;
} u;
} LTTNG_PACKED;
@@
-261,6
+283,10
@@
struct lttcomm_lttng_msg {
char payload[];
} LTTNG_PACKED;
char payload[];
} LTTNG_PACKED;
+struct lttcomm_lttng_output_id {
+ uint32_t id;
+} LTTNG_PACKED;
+
struct lttcomm_health_msg {
uint32_t component;
uint32_t cmd;
struct lttcomm_health_msg {
uint32_t component;
uint32_t cmd;
@@
-291,17
+317,23
@@
struct lttcomm_consumer_msg {
/* Use splice or mmap to consume this fd */
enum lttng_event_output output;
int type; /* Per cpu or metadata. */
/* Use splice or mmap to consume this fd */
enum lttng_event_output output;
int type; /* Per cpu or metadata. */
+ uint64_t tracefile_size; /* bytes */
+ uint32_t tracefile_count; /* number of tracefiles */
+ /* If the channel's streams have to be monitored or not. */
+ uint32_t monitor;
} LTTNG_PACKED channel; /* Only used by Kernel. */
struct {
uint64_t stream_key;
uint64_t channel_key;
int32_t cpu; /* On which CPU this stream is assigned. */
} LTTNG_PACKED channel; /* Only used by Kernel. */
struct {
uint64_t stream_key;
uint64_t channel_key;
int32_t cpu; /* On which CPU this stream is assigned. */
+ /* Tells the consumer if the stream should be or not monitored. */
+ uint32_t no_monitor;
} LTTNG_PACKED stream; /* Only used by Kernel. */
struct {
uint64_t net_index;
enum lttng_stream_type type;
/* Open socket to the relayd */
} LTTNG_PACKED stream; /* Only used by Kernel. */
struct {
uint64_t net_index;
enum lttng_stream_type type;
/* Open socket to the relayd */
- struct lttcomm_sock sock;
+ struct lttcomm_
relayd_
sock sock;
/* Tracing session id associated to the relayd. */
uint64_t session_id;
} LTTNG_PACKED relayd_sock;
/* Tracing session id associated to the relayd. */
uint64_t session_id;
} LTTNG_PACKED relayd_sock;
@@
-326,8
+358,12
@@
struct lttcomm_consumer_msg {
uint32_t gid; /* Group ID ot the session */
uint64_t relayd_id; /* Relayd id if apply. */
uint64_t key; /* Unique channel key. */
uint32_t gid; /* Group ID ot the session */
uint64_t relayd_id; /* Relayd id if apply. */
uint64_t key; /* Unique channel key. */
- unsigned char uuid[UUID_
STR_LEN];
/* uuid for ust tracer. */
+ unsigned char uuid[UUID_
LEN];
/* uuid for ust tracer. */
uint32_t chan_id; /* Channel ID on the tracer side. */
uint32_t chan_id; /* Channel ID on the tracer side. */
+ uint64_t tracefile_size; /* bytes */
+ uint32_t tracefile_count; /* number of tracefiles */
+ /* Tells the consumer if the stream should be or not monitored. */
+ uint32_t monitor;
} LTTNG_PACKED ask_channel;
struct {
uint64_t key;
} LTTNG_PACKED ask_channel;
struct {
uint64_t key;
@@
-349,6
+385,15
@@
struct lttcomm_consumer_msg {
struct {
uint64_t key; /* Channel key. */
} LTTNG_PACKED flush_channel;
struct {
uint64_t key; /* Channel key. */
} LTTNG_PACKED flush_channel;
+ struct {
+ char pathname[PATH_MAX];
+ /* Indicate if the snapshot goes on the relayd or locally. */
+ uint32_t use_relayd;
+ uint32_t metadata; /* This a metadata snapshot. */
+ uint64_t relayd_id; /* Relayd id if apply. */
+ uint64_t key;
+ uint64_t max_size;
+ } LTTNG_PACKED snapshot_channel;
} u;
} LTTNG_PACKED;
} u;
} LTTNG_PACKED;
@@
-421,4
+466,8
@@
extern struct lttcomm_sock *lttcomm_alloc_copy_sock(struct lttcomm_sock *src);
extern void lttcomm_copy_sock(struct lttcomm_sock *dst,
struct lttcomm_sock *src);
extern void lttcomm_copy_sock(struct lttcomm_sock *dst,
struct lttcomm_sock *src);
+/* Relayd socket object. */
+extern struct lttcomm_relayd_sock *lttcomm_alloc_relayd_sock(
+ struct lttng_uri *uri, uint32_t major, uint32_t minor);
+
#endif /* _LTTNG_SESSIOND_COMM_H */
#endif /* _LTTNG_SESSIOND_COMM_H */
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