* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2 only,
* as published by the Free Software Foundation.
- *
+ *
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
- *
+ *
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/un.h>
+#include <stdbool.h>
#include "inet.h"
#include "inet6.h"
-#include "unix.h"
+#include <common/unix.h>
/* Queue size of listen(2) */
#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
enum lttcomm_sessiond_command {
/* Tracer command */
LTTNG_ADD_CONTEXT = 0,
- LTTNG_CALIBRATE = 1,
+ /* LTTNG_CALIBRATE used to be here */
LTTNG_DISABLE_CHANNEL = 2,
LTTNG_DISABLE_EVENT = 3,
LTTNG_LIST_SYSCALLS = 4,
LTTNG_CREATE_SESSION_SNAPSHOT = 29,
LTTNG_CREATE_SESSION_LIVE = 30,
LTTNG_SAVE_SESSION = 31,
- LTTNG_TRACK_PID = 32,
- LTTNG_UNTRACK_PID = 33,
- LTTNG_LIST_TRACKER_PIDS = 34,
+ LTTNG_TRACK_ID = 32,
+ LTTNG_UNTRACK_ID = 33,
+ LTTNG_LIST_TRACKER_IDS = 34,
LTTNG_SET_SESSION_SHM_PATH = 40,
+ LTTNG_REGENERATE_METADATA = 41,
+ LTTNG_REGENERATE_STATEDUMP = 42,
};
enum lttcomm_relayd_command {
RELAYD_LIST_SESSIONS = 15,
/* All streams of the channel have been sent to the relayd (2.4+). */
RELAYD_STREAMS_SENT = 16,
+ /* Ask the relay to reset the metadata trace file (2.8+) */
+ RELAYD_RESET_METADATA = 17,
};
/*
int (*listen) (struct lttcomm_sock *sock, int backlog);
ssize_t (*recvmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
int flags);
- ssize_t (*sendmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
- int flags);
+ ssize_t (*sendmsg) (struct lttcomm_sock *sock, const void *buf,
+ size_t len, int flags);
};
/*
struct {
char channel_name[LTTNG_SYMBOL_NAME_LEN];
struct lttng_event_context ctx LTTNG_PACKED;
+ uint32_t provider_name_len;
+ uint32_t context_name_len;
} LTTNG_PACKED context;
/* Use by register_consumer */
struct {
char shm_path[PATH_MAX];
} LTTNG_PACKED set_shm_path;
struct {
- uint32_t pid;
- } LTTNG_PACKED pid_tracker;
+ uint32_t tracker_type; /* enum lttng_tracker_type */
+ uint32_t id_type; /* enum lttng_tracker_id_type */
+ union {
+ int32_t value;
+ uint32_t var_len;
+ } u;
+ /*
+ * for LTTNG_ID_STRING, followed by a variable length
+ * zero-terminated string of length "var_len", which
+ * includes the final \0.
+ */
+ } LTTNG_PACKED id_tracker;
+ struct {
+ uint32_t tracker_type; /* enum lttng_tracker_type */
+ } LTTNG_PACKED id_tracker_list;
} u;
} LTTNG_PACKED;
char names[0][LTTNG_SYMBOL_NAME_LEN];
} LTTNG_PACKED;
+#define LTTNG_EVENT_EXCLUSION_NAME_AT(_exclusion, _i) \
+ (&(_exclusion)->names[_i][0])
+
+/*
+ * Event command header.
+ */
+struct lttcomm_event_command_header {
+ /* Number of events */
+ uint32_t nb_events;
+} LTTNG_PACKED;
+
+/*
+ * Event extended info header. This is the structure preceding each
+ * extended info data.
+ */
+struct lttcomm_event_extended_header {
+ /*
+ * Size of filter string immediately following this header.
+ * This size includes the terminal null character.
+ */
+ uint32_t filter_len;
+
+ /*
+ * Number of exclusion names, immediately following the filter
+ * string. Each exclusion name has a fixed length of
+ * LTTNG_SYMBOL_NAME_LEN bytes, including the terminal null
+ * character.
+ */
+ uint32_t nb_exclusions;
+} LTTNG_PACKED;
+
+/*
+ * Channel extended info.
+ */
+struct lttcomm_channel_extended {
+ uint64_t discarded_events;
+ uint64_t lost_packets;
+} LTTNG_PACKED;
+
+/*
+ * tracker command header.
+ */
+struct lttcomm_tracker_command_header {
+ uint32_t nb_tracker_id;
+} LTTNG_PACKED;
+
+struct lttcomm_tracker_id_header {
+ uint32_t type; /* enum lttng_tracker_id_type */
+ union {
+ int32_t value;
+ uint32_t var_data_len;
+ } u;
+} LTTNG_PACKED;
+
/*
* Data structure for the response from sessiond to the lttng client.
*/
uint32_t cmd_type; /* enum lttcomm_sessiond_command */
uint32_t ret_code; /* enum lttcomm_return_code */
uint32_t pid; /* pid_t */
+ uint32_t cmd_header_size;
uint32_t data_size;
- /* Contains: trace_name + data */
- char payload[];
} LTTNG_PACKED;
struct lttcomm_lttng_output_id {
uint64_t key; /* Metadata channel key. */
uint64_t target_offset; /* Offset in the consumer */
uint64_t len; /* Length of metadata to be received. */
+ uint64_t version; /* Version of the metadata. */
} LTTNG_PACKED push_metadata;
struct {
uint64_t key; /* Metadata channel key. */
struct {
uint64_t key; /* Channel key. */
} LTTNG_PACKED flush_channel;
+ struct {
+ uint64_t key; /* Channel key. */
+ } LTTNG_PACKED clear_quiescent_channel;
struct {
char pathname[PATH_MAX];
/* Indicate if the snapshot goes on the relayd or locally. */
uint64_t channel_key;
uint64_t net_seq_idx;
} LTTNG_PACKED sent_streams;
+ struct {
+ uint64_t session_id;
+ uint64_t channel_key;
+ } LTTNG_PACKED discarded_events;
+ struct {
+ uint64_t session_id;
+ uint64_t channel_key;
+ } LTTNG_PACKED lost_packets;
+ struct {
+ uint64_t session_id;
+ } LTTNG_PACKED regenerate_metadata;
} u;
} LTTNG_PACKED;
projects / lttng-tools.git / blobdiff