#ifndef _LTTNG_SESSIOND_COMM_H
#define _LTTNG_SESSIOND_COMM_H
-#include <limits.h>
-#include <lttng/lttng.h>
-#include <lttng/snapshot-internal.hpp>
-#include <lttng/save-internal.hpp>
-#include <lttng/channel-internal.hpp>
-#include <lttng/trigger/trigger-internal.hpp>
-#include <lttng/rotate-internal.hpp>
+#include "inet.hpp"
+#include "inet6.hpp"
+
#include <common/compat/socket.hpp>
-#include <common/uri.hpp>
+#include <common/compiler.hpp>
#include <common/defaults.hpp>
-#include <common/uuid.hpp>
#include <common/macros.hpp>
#include <common/optional.hpp>
+#include <common/unix.hpp>
+#include <common/uri.hpp>
+#include <common/uuid.hpp>
+
+#include <lttng/channel-internal.hpp>
+#include <lttng/lttng.h>
+#include <lttng/rotate-internal.hpp>
+#include <lttng/save-internal.hpp>
+#include <lttng/snapshot-internal.hpp>
+#include <lttng/trigger/trigger-internal.hpp>
#include <arpa/inet.h>
+#include <limits.h>
#include <netinet/in.h>
#include <stdint.h>
#include <sys/un.h>
-#include "inet.hpp"
-#include "inet6.hpp"
-#include <common/unix.hpp>
-
/* Queue size of listen(2) */
#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
/* Maximum number of FDs that can be sent over a Unix socket */
#if defined(__linux__)
/* Based on the kernel's SCM_MAX_FD which is 253 since 2.6.38 (255 before) */
-#define LTTCOMM_MAX_SEND_FDS 253
+#define LTTCOMM_MAX_SEND_FDS 253
#else
-#define LTTCOMM_MAX_SEND_FDS 16
+#define LTTCOMM_MAX_SEND_FDS 16
#endif
enum lttcomm_sessiond_command {
- /* Tracer command */
- LTTNG_ADD_CONTEXT = 0,
- /* LTTNG_CALIBRATE used to be here */
- LTTNG_DISABLE_CHANNEL = 2,
- LTTNG_DISABLE_EVENT = 3,
- LTTNG_LIST_SYSCALLS = 4,
- LTTNG_ENABLE_CHANNEL = 5,
- LTTNG_ENABLE_EVENT = 6,
- /* 7 */
- /* Session daemon command */
- /* 8 */
- LTTNG_DESTROY_SESSION = 9,
- LTTNG_LIST_CHANNELS = 10,
- LTTNG_LIST_DOMAINS = 11,
- LTTNG_LIST_EVENTS = 12,
- LTTNG_LIST_SESSIONS = 13,
- LTTNG_LIST_TRACEPOINTS = 14,
- LTTNG_REGISTER_CONSUMER = 15,
- LTTNG_START_TRACE = 16,
- LTTNG_STOP_TRACE = 17,
- LTTNG_LIST_TRACEPOINT_FIELDS = 18,
-
- /* Consumer */
- LTTNG_DISABLE_CONSUMER = 19,
- LTTNG_ENABLE_CONSUMER = 20,
- LTTNG_SET_CONSUMER_URI = 21,
- /* 22 */
- /* 23 */
- LTTNG_DATA_PENDING = 24,
- LTTNG_SNAPSHOT_ADD_OUTPUT = 25,
- LTTNG_SNAPSHOT_DEL_OUTPUT = 26,
- LTTNG_SNAPSHOT_LIST_OUTPUT = 27,
- LTTNG_SNAPSHOT_RECORD = 28,
- /* 29 */
- /* 30 */
- LTTNG_SAVE_SESSION = 31,
- LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE = 32,
- LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE = 33,
- LTTNG_PROCESS_ATTR_TRACKER_GET_POLICY = 34,
- LTTNG_PROCESS_ATTR_TRACKER_SET_POLICY = 35,
- LTTNG_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET = 36,
- LTTNG_SET_SESSION_SHM_PATH = 40,
- LTTNG_REGENERATE_METADATA = 41,
- LTTNG_REGENERATE_STATEDUMP = 42,
- LTTNG_REGISTER_TRIGGER = 43,
- LTTNG_UNREGISTER_TRIGGER = 44,
- LTTNG_ROTATE_SESSION = 45,
- LTTNG_ROTATION_GET_INFO = 46,
- LTTNG_ROTATION_SET_SCHEDULE = 47,
- LTTNG_SESSION_LIST_ROTATION_SCHEDULES = 48,
- LTTNG_CREATE_SESSION_EXT = 49,
- LTTNG_CLEAR_SESSION = 50,
- LTTNG_LIST_TRIGGERS = 51,
- LTTNG_EXECUTE_ERROR_QUERY = 52,
+ LTTCOMM_SESSIOND_COMMAND_MIN,
+ LTTCOMM_SESSIOND_COMMAND_ADD_CONTEXT,
+ LTTCOMM_SESSIOND_COMMAND_DISABLE_CHANNEL,
+ LTTCOMM_SESSIOND_COMMAND_DISABLE_EVENT,
+ LTTCOMM_SESSIOND_COMMAND_LIST_SYSCALLS,
+ LTTCOMM_SESSIOND_COMMAND_ENABLE_CHANNEL,
+ LTTCOMM_SESSIOND_COMMAND_ENABLE_EVENT,
+ LTTCOMM_SESSIOND_COMMAND_DESTROY_SESSION,
+ LTTCOMM_SESSIOND_COMMAND_LIST_CHANNELS,
+ LTTCOMM_SESSIOND_COMMAND_LIST_DOMAINS,
+ LTTCOMM_SESSIOND_COMMAND_LIST_EVENTS,
+ LTTCOMM_SESSIOND_COMMAND_LIST_SESSIONS,
+ LTTCOMM_SESSIOND_COMMAND_LIST_TRACEPOINTS,
+ LTTCOMM_SESSIOND_COMMAND_REGISTER_CONSUMER,
+ LTTCOMM_SESSIOND_COMMAND_START_TRACE,
+ LTTCOMM_SESSIOND_COMMAND_STOP_TRACE,
+ LTTCOMM_SESSIOND_COMMAND_LIST_TRACEPOINT_FIELDS,
+ LTTCOMM_SESSIOND_COMMAND_DISABLE_CONSUMER,
+ LTTCOMM_SESSIOND_COMMAND_ENABLE_CONSUMER,
+ LTTCOMM_SESSIOND_COMMAND_SET_CONSUMER_URI,
+ LTTCOMM_SESSIOND_COMMAND_DATA_PENDING,
+ LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_ADD_OUTPUT,
+ LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_DEL_OUTPUT,
+ LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_LIST_OUTPUT,
+ LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_RECORD,
+ LTTCOMM_SESSIOND_COMMAND_SAVE_SESSION,
+ LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE,
+ LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE,
+ LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_GET_POLICY,
+ LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_SET_POLICY,
+ LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET,
+ LTTCOMM_SESSIOND_COMMAND_SET_SESSION_SHM_PATH,
+ LTTCOMM_SESSIOND_COMMAND_REGENERATE_METADATA,
+ LTTCOMM_SESSIOND_COMMAND_REGENERATE_STATEDUMP,
+ LTTCOMM_SESSIOND_COMMAND_REGISTER_TRIGGER,
+ LTTCOMM_SESSIOND_COMMAND_UNREGISTER_TRIGGER,
+ LTTCOMM_SESSIOND_COMMAND_ROTATE_SESSION,
+ LTTCOMM_SESSIOND_COMMAND_ROTATION_GET_INFO,
+ LTTCOMM_SESSIOND_COMMAND_ROTATION_SET_SCHEDULE,
+ LTTCOMM_SESSIOND_COMMAND_SESSION_LIST_ROTATION_SCHEDULES,
+ LTTCOMM_SESSIOND_COMMAND_CREATE_SESSION_EXT,
+ LTTCOMM_SESSIOND_COMMAND_CLEAR_SESSION,
+ LTTCOMM_SESSIOND_COMMAND_LIST_TRIGGERS,
+ LTTCOMM_SESSIOND_COMMAND_EXECUTE_ERROR_QUERY,
+ LTTCOMM_SESSIOND_COMMAND_KERNEL_TRACER_STATUS,
+ LTTCOMM_SESSIOND_COMMAND_MAX,
};
-static inline
-const char *lttcomm_sessiond_command_str(enum lttcomm_sessiond_command cmd)
+static inline bool lttcomm_sessiond_command_is_valid(enum lttcomm_sessiond_command cmd)
+{
+ return cmd > LTTCOMM_SESSIOND_COMMAND_MIN && cmd < LTTCOMM_SESSIOND_COMMAND_MAX;
+}
+
+static inline const char *lttcomm_sessiond_command_str(enum lttcomm_sessiond_command cmd)
{
switch (cmd) {
- case LTTNG_ADD_CONTEXT:
- return "LTTNG_ADD_CONTEXT";
- case LTTNG_DISABLE_CHANNEL:
- return "LTTNG_DISABLE_CHANNEL";
- case LTTNG_DISABLE_EVENT:
- return "LTTNG_DISABLE_EVENT";
- case LTTNG_LIST_SYSCALLS:
- return "LTTNG_LIST_SYSCALLS";
- case LTTNG_ENABLE_CHANNEL:
- return "LTTNG_ENABLE_CHANNEL";
- case LTTNG_ENABLE_EVENT:
- return "LTTNG_ENABLE_EVENT";
- case LTTNG_DESTROY_SESSION:
- return "LTTNG_DESTROY_SESSION";
- case LTTNG_LIST_CHANNELS:
- return "LTTNG_LIST_CHANNELS";
- case LTTNG_LIST_DOMAINS:
- return "LTTNG_LIST_DOMAINS";
- case LTTNG_LIST_EVENTS:
- return "LTTNG_LIST_EVENTS";
- case LTTNG_LIST_SESSIONS:
- return "LTTNG_LIST_SESSIONS";
- case LTTNG_LIST_TRACEPOINTS:
- return "LTTNG_LIST_TRACEPOINTS";
- case LTTNG_REGISTER_CONSUMER:
- return "LTTNG_REGISTER_CONSUMER";
- case LTTNG_START_TRACE:
- return "LTTNG_START_TRACE";
- case LTTNG_STOP_TRACE:
- return "LTTNG_STOP_TRACE";
- case LTTNG_LIST_TRACEPOINT_FIELDS:
- return "LTTNG_LIST_TRACEPOINT_FIELDS";
- case LTTNG_DISABLE_CONSUMER:
- return "LTTNG_DISABLE_CONSUMER";
- case LTTNG_ENABLE_CONSUMER:
- return "LTTNG_ENABLE_CONSUMER";
- case LTTNG_SET_CONSUMER_URI:
- return "LTTNG_SET_CONSUMER_URI";
- case LTTNG_DATA_PENDING:
- return "LTTNG_DATA_PENDING";
- case LTTNG_SNAPSHOT_ADD_OUTPUT:
- return "LTTNG_SNAPSHOT_ADD_OUTPUT";
- case LTTNG_SNAPSHOT_DEL_OUTPUT:
- return "LTTNG_SNAPSHOT_DEL_OUTPUT";
- case LTTNG_SNAPSHOT_LIST_OUTPUT:
- return "LTTNG_SNAPSHOT_LIST_OUTPUT";
- case LTTNG_SNAPSHOT_RECORD:
- return "LTTNG_SNAPSHOT_RECORD";
- case LTTNG_SAVE_SESSION:
- return "LTTNG_SAVE_SESSION";
- case LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE:
- return "LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE";
- case LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE:
- return "LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE";
- case LTTNG_PROCESS_ATTR_TRACKER_GET_POLICY:
- return "LTTNG_PROCESS_ATTR_TRACKER_GET_POLICY";
- case LTTNG_PROCESS_ATTR_TRACKER_SET_POLICY:
- return "LTTNG_PROCESS_ATTR_TRACKER_SET_POLICY";
- case LTTNG_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET:
- return "LTTNG_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET";
- case LTTNG_SET_SESSION_SHM_PATH:
- return "LTTNG_SET_SESSION_SHM_PATH";
- case LTTNG_REGENERATE_METADATA:
- return "LTTNG_REGENERATE_METADATA";
- case LTTNG_REGENERATE_STATEDUMP:
- return "LTTNG_REGENERATE_STATEDUMP";
- case LTTNG_REGISTER_TRIGGER:
- return "LTTNG_REGISTER_TRIGGER";
- case LTTNG_UNREGISTER_TRIGGER:
- return "LTTNG_UNREGISTER_TRIGGER";
- case LTTNG_ROTATE_SESSION:
- return "LTTNG_ROTATE_SESSION";
- case LTTNG_ROTATION_GET_INFO:
- return "LTTNG_ROTATION_GET_INFO";
- case LTTNG_ROTATION_SET_SCHEDULE:
- return "LTTNG_ROTATION_SET_SCHEDULE";
- case LTTNG_SESSION_LIST_ROTATION_SCHEDULES:
- return "LTTNG_SESSION_LIST_ROTATION_SCHEDULES";
- case LTTNG_CREATE_SESSION_EXT:
- return "LTTNG_CREATE_SESSION_EXT";
- case LTTNG_CLEAR_SESSION:
- return "LTTNG_CLEAR_SESSION";
- case LTTNG_LIST_TRIGGERS:
- return "LTTNG_LIST_TRIGGERS";
- case LTTNG_EXECUTE_ERROR_QUERY:
- return "LTTNG_EXECUTE_ERROR_QUERY";
+ case LTTCOMM_SESSIOND_COMMAND_ADD_CONTEXT:
+ return "ADD_CONTEXT";
+ case LTTCOMM_SESSIOND_COMMAND_DISABLE_CHANNEL:
+ return "DISABLE_CHANNEL";
+ case LTTCOMM_SESSIOND_COMMAND_DISABLE_EVENT:
+ return "DISABLE_EVENT";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_SYSCALLS:
+ return "LIST_SYSCALLS";
+ case LTTCOMM_SESSIOND_COMMAND_ENABLE_CHANNEL:
+ return "ENABLE_CHANNEL";
+ case LTTCOMM_SESSIOND_COMMAND_ENABLE_EVENT:
+ return "ENABLE_EVENT";
+ case LTTCOMM_SESSIOND_COMMAND_DESTROY_SESSION:
+ return "DESTROY_SESSION";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_CHANNELS:
+ return "LIST_CHANNELS";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_DOMAINS:
+ return "LIST_DOMAINS";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_EVENTS:
+ return "LIST_EVENTS";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_SESSIONS:
+ return "LIST_SESSIONS";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_TRACEPOINTS:
+ return "LIST_TRACEPOINTS";
+ case LTTCOMM_SESSIOND_COMMAND_REGISTER_CONSUMER:
+ return "REGISTER_CONSUMER";
+ case LTTCOMM_SESSIOND_COMMAND_START_TRACE:
+ return "START_TRACE";
+ case LTTCOMM_SESSIOND_COMMAND_STOP_TRACE:
+ return "STOP_TRACE";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_TRACEPOINT_FIELDS:
+ return "LIST_TRACEPOINT_FIELDS";
+ case LTTCOMM_SESSIOND_COMMAND_DISABLE_CONSUMER:
+ return "DISABLE_CONSUMER";
+ case LTTCOMM_SESSIOND_COMMAND_ENABLE_CONSUMER:
+ return "ENABLE_CONSUMER";
+ case LTTCOMM_SESSIOND_COMMAND_SET_CONSUMER_URI:
+ return "SET_CONSUMER_URI";
+ case LTTCOMM_SESSIOND_COMMAND_DATA_PENDING:
+ return "DATA_PENDING";
+ case LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_ADD_OUTPUT:
+ return "SNAPSHOT_ADD_OUTPUT";
+ case LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_DEL_OUTPUT:
+ return "SNAPSHOT_DEL_OUTPUT";
+ case LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_LIST_OUTPUT:
+ return "SNAPSHOT_LIST_OUTPUT";
+ case LTTCOMM_SESSIOND_COMMAND_SNAPSHOT_RECORD:
+ return "SNAPSHOT_RECORD";
+ case LTTCOMM_SESSIOND_COMMAND_SAVE_SESSION:
+ return "SAVE_SESSION";
+ case LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE:
+ return "PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE";
+ case LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE:
+ return "PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE";
+ case LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_GET_POLICY:
+ return "PROCESS_ATTR_TRACKER_GET_POLICY";
+ case LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_SET_POLICY:
+ return "PROCESS_ATTR_TRACKER_SET_POLICY";
+ case LTTCOMM_SESSIOND_COMMAND_PROCESS_ATTR_TRACKER_GET_INCLUSION_SET:
+ return "PROCESS_ATTR_TRACKER_GET_INCLUSION_SET";
+ case LTTCOMM_SESSIOND_COMMAND_SET_SESSION_SHM_PATH:
+ return "SET_SESSION_SHM_PATH";
+ case LTTCOMM_SESSIOND_COMMAND_REGENERATE_METADATA:
+ return "REGENERATE_METADATA";
+ case LTTCOMM_SESSIOND_COMMAND_REGENERATE_STATEDUMP:
+ return "REGENERATE_STATEDUMP";
+ case LTTCOMM_SESSIOND_COMMAND_REGISTER_TRIGGER:
+ return "REGISTER_TRIGGER";
+ case LTTCOMM_SESSIOND_COMMAND_UNREGISTER_TRIGGER:
+ return "UNREGISTER_TRIGGER";
+ case LTTCOMM_SESSIOND_COMMAND_ROTATE_SESSION:
+ return "ROTATE_SESSION";
+ case LTTCOMM_SESSIOND_COMMAND_ROTATION_GET_INFO:
+ return "ROTATION_GET_INFO";
+ case LTTCOMM_SESSIOND_COMMAND_ROTATION_SET_SCHEDULE:
+ return "ROTATION_SET_SCHEDULE";
+ case LTTCOMM_SESSIOND_COMMAND_SESSION_LIST_ROTATION_SCHEDULES:
+ return "SESSION_LIST_ROTATION_SCHEDULES";
+ case LTTCOMM_SESSIOND_COMMAND_CREATE_SESSION_EXT:
+ return "CREATE_SESSION_EXT";
+ case LTTCOMM_SESSIOND_COMMAND_CLEAR_SESSION:
+ return "CLEAR_SESSION";
+ case LTTCOMM_SESSIOND_COMMAND_LIST_TRIGGERS:
+ return "LIST_TRIGGERS";
+ case LTTCOMM_SESSIOND_COMMAND_EXECUTE_ERROR_QUERY:
+ return "EXECUTE_ERROR_QUERY";
+ case LTTCOMM_SESSIOND_COMMAND_KERNEL_TRACER_STATUS:
+ return "KERNEL_TRACER_STATUS";
default:
abort();
}
}
enum lttcomm_relayd_command {
- RELAYD_ADD_STREAM = 1,
- RELAYD_CREATE_SESSION = 2,
- RELAYD_START_DATA = 3,
- RELAYD_UPDATE_SYNC_INFO = 4,
- RELAYD_VERSION = 5,
- RELAYD_SEND_METADATA = 6,
- RELAYD_CLOSE_STREAM = 7,
- RELAYD_DATA_PENDING = 8,
- RELAYD_QUIESCENT_CONTROL = 9,
- RELAYD_BEGIN_DATA_PENDING = 10,
- RELAYD_END_DATA_PENDING = 11,
- RELAYD_ADD_INDEX = 12,
- RELAYD_SEND_INDEX = 13,
- RELAYD_CLOSE_INDEX = 14,
+ RELAYD_ADD_STREAM = 1,
+ RELAYD_CREATE_SESSION = 2,
+ RELAYD_START_DATA = 3,
+ RELAYD_UPDATE_SYNC_INFO = 4,
+ RELAYD_VERSION = 5,
+ RELAYD_SEND_METADATA = 6,
+ RELAYD_CLOSE_STREAM = 7,
+ RELAYD_DATA_PENDING = 8,
+ RELAYD_QUIESCENT_CONTROL = 9,
+ RELAYD_BEGIN_DATA_PENDING = 10,
+ RELAYD_END_DATA_PENDING = 11,
+ RELAYD_ADD_INDEX = 12,
+ RELAYD_SEND_INDEX = 13,
+ RELAYD_CLOSE_INDEX = 14,
/* Live-reading commands (2.4+). */
- RELAYD_LIST_SESSIONS = 15,
+ RELAYD_LIST_SESSIONS = 15,
/* All streams of the channel have been sent to the relayd (2.4+). */
- RELAYD_STREAMS_SENT = 16,
+ RELAYD_STREAMS_SENT = 16,
/* Ask the relay to reset the metadata trace file (2.8+) */
- RELAYD_RESET_METADATA = 17,
+ RELAYD_RESET_METADATA = 17,
/* Ask the relay to rotate a set of stream files (2.11+) */
- RELAYD_ROTATE_STREAMS = 18,
+ RELAYD_ROTATE_STREAMS = 18,
/* Ask the relay to create a trace chunk (2.11+) */
- RELAYD_CREATE_TRACE_CHUNK = 19,
+ RELAYD_CREATE_TRACE_CHUNK = 19,
/* Ask the relay to close a trace chunk (2.11+) */
- RELAYD_CLOSE_TRACE_CHUNK = 20,
+ RELAYD_CLOSE_TRACE_CHUNK = 20,
/* Ask the relay whether a trace chunk exists (2.11+) */
- RELAYD_TRACE_CHUNK_EXISTS = 21,
+ RELAYD_TRACE_CHUNK_EXISTS = 21,
/* Get the current configuration of a relayd peer (2.12+) */
- RELAYD_GET_CONFIGURATION = 22,
+ RELAYD_GET_CONFIGURATION = 22,
/* Feature branch specific commands start at 10000. */
};
-static inline
-const char *lttcomm_relayd_command_str(lttcomm_relayd_command cmd)
+static inline const char *lttcomm_relayd_command_str(lttcomm_relayd_command cmd)
{
switch (cmd) {
case RELAYD_ADD_STREAM:
* lttcomm error code.
*/
enum lttcomm_return_code {
- LTTCOMM_CONSUMERD_SUCCESS = 0, /* Everything went fine. */
+ LTTCOMM_CONSUMERD_SUCCESS = 0, /* Everything went fine. */
/*
* Some code paths use -1 to express an error, others
* negate this consumer return code. Starting codes at
* and legitimate status codes.
*/
LTTCOMM_CONSUMERD_COMMAND_SOCK_READY = 100, /* Command socket ready */
- LTTCOMM_CONSUMERD_SUCCESS_RECV_FD, /* Success on receiving fds */
- LTTCOMM_CONSUMERD_ERROR_RECV_FD, /* Error on receiving fds */
- LTTCOMM_CONSUMERD_ERROR_RECV_CMD, /* Error on receiving command */
- LTTCOMM_CONSUMERD_POLL_ERROR, /* Error in polling thread */
- LTTCOMM_CONSUMERD_POLL_NVAL, /* Poll on closed fd */
- LTTCOMM_CONSUMERD_POLL_HUP, /* All fds have hungup */
- LTTCOMM_CONSUMERD_EXIT_SUCCESS, /* Consumerd exiting normally */
- LTTCOMM_CONSUMERD_EXIT_FAILURE, /* Consumerd exiting on error */
- LTTCOMM_CONSUMERD_OUTFD_ERROR, /* Error opening the tracefile */
- LTTCOMM_CONSUMERD_SPLICE_EBADF, /* EBADF from splice(2) */
- LTTCOMM_CONSUMERD_SPLICE_EINVAL, /* EINVAL from splice(2) */
- LTTCOMM_CONSUMERD_SPLICE_ENOMEM, /* ENOMEM from splice(2) */
- LTTCOMM_CONSUMERD_SPLICE_ESPIPE, /* ESPIPE from splice(2) */
- LTTCOMM_CONSUMERD_ENOMEM, /* Consumer is out of memory */
- LTTCOMM_CONSUMERD_ERROR_METADATA, /* Error with metadata. */
- LTTCOMM_CONSUMERD_FATAL, /* Fatal error. */
- LTTCOMM_CONSUMERD_RELAYD_FAIL, /* Error on remote relayd */
- LTTCOMM_CONSUMERD_CHANNEL_FAIL, /* Channel creation failed. */
- LTTCOMM_CONSUMERD_CHAN_NOT_FOUND, /* Channel not found. */
- LTTCOMM_CONSUMERD_ALREADY_SET, /* Resource already set. */
- LTTCOMM_CONSUMERD_ROTATION_FAIL, /* Rotation has failed. */
- LTTCOMM_CONSUMERD_SNAPSHOT_FAILED, /* snapshot has failed. */
- LTTCOMM_CONSUMERD_CREATE_TRACE_CHUNK_FAILED,/* Trace chunk creation failed. */
+ LTTCOMM_CONSUMERD_SUCCESS_RECV_FD, /* Success on receiving fds */
+ LTTCOMM_CONSUMERD_ERROR_RECV_FD, /* Error on receiving fds */
+ LTTCOMM_CONSUMERD_ERROR_RECV_CMD, /* Error on receiving command */
+ LTTCOMM_CONSUMERD_POLL_ERROR, /* Error in polling thread */
+ LTTCOMM_CONSUMERD_POLL_NVAL, /* Poll on closed fd */
+ LTTCOMM_CONSUMERD_POLL_HUP, /* All fds have hungup */
+ LTTCOMM_CONSUMERD_EXIT_SUCCESS, /* Consumerd exiting normally */
+ LTTCOMM_CONSUMERD_EXIT_FAILURE, /* Consumerd exiting on error */
+ LTTCOMM_CONSUMERD_OUTFD_ERROR, /* Error opening the tracefile */
+ LTTCOMM_CONSUMERD_SPLICE_EBADF, /* EBADF from splice(2) */
+ LTTCOMM_CONSUMERD_SPLICE_EINVAL, /* EINVAL from splice(2) */
+ LTTCOMM_CONSUMERD_SPLICE_ENOMEM, /* ENOMEM from splice(2) */
+ LTTCOMM_CONSUMERD_SPLICE_ESPIPE, /* ESPIPE from splice(2) */
+ LTTCOMM_CONSUMERD_ENOMEM, /* Consumer is out of memory */
+ LTTCOMM_CONSUMERD_ERROR_METADATA, /* Error with metadata. */
+ LTTCOMM_CONSUMERD_FATAL, /* Fatal error. */
+ LTTCOMM_CONSUMERD_RELAYD_FAIL, /* Error on remote relayd */
+ LTTCOMM_CONSUMERD_CHANNEL_FAIL, /* Channel creation failed. */
+ LTTCOMM_CONSUMERD_CHAN_NOT_FOUND, /* Channel not found. */
+ LTTCOMM_CONSUMERD_ALREADY_SET, /* Resource already set. */
+ LTTCOMM_CONSUMERD_ROTATION_FAIL, /* Rotation has failed. */
+ LTTCOMM_CONSUMERD_SNAPSHOT_FAILED, /* snapshot has failed. */
+ LTTCOMM_CONSUMERD_CREATE_TRACE_CHUNK_FAILED, /* Trace chunk creation failed. */
LTTCOMM_CONSUMERD_CLOSE_TRACE_CHUNK_FAILED, /* Trace chunk close failed. */
- LTTCOMM_CONSUMERD_INVALID_PARAMETERS, /* Invalid parameters. */
+ LTTCOMM_CONSUMERD_INVALID_PARAMETERS, /* Invalid parameters. */
LTTCOMM_CONSUMERD_TRACE_CHUNK_EXISTS_LOCAL, /* Trace chunk exists on consumer daemon. */
- LTTCOMM_CONSUMERD_TRACE_CHUNK_EXISTS_REMOTE,/* Trace chunk exists on relay daemon. */
- LTTCOMM_CONSUMERD_UNKNOWN_TRACE_CHUNK, /* Unknown trace chunk. */
- LTTCOMM_CONSUMERD_RELAYD_CLEAR_DISALLOWED, /* Relayd does not accept clear command. */
- LTTCOMM_CONSUMERD_UNKNOWN_ERROR, /* Unknown error. */
+ LTTCOMM_CONSUMERD_TRACE_CHUNK_EXISTS_REMOTE, /* Trace chunk exists on relay daemon. */
+ LTTCOMM_CONSUMERD_UNKNOWN_TRACE_CHUNK, /* Unknown trace chunk. */
+ LTTCOMM_CONSUMERD_RELAYD_CLEAR_DISALLOWED, /* Relayd does not accept clear command. */
+ LTTCOMM_CONSUMERD_UNKNOWN_ERROR, /* Unknown error. */
/* MUST be last element */
- LTTCOMM_NR, /* Last element */
+ LTTCOMM_NR, /* Last element */
};
/* lttng socket protocol. */
* Index in the net_families array below. Please keep in sync!
*/
enum lttcomm_sock_domain {
- LTTCOMM_INET = 0,
- LTTCOMM_INET6 = 1,
+ LTTCOMM_INET = 0,
+ LTTCOMM_INET6 = 1,
};
enum lttcomm_metadata_command {
struct lttcomm_net_family {
int family;
- int (*create) (struct lttcomm_sock *sock, int type, int proto);
+ int (*create)(struct lttcomm_sock *sock, int type, int proto);
};
struct lttcomm_proto_ops {
- int (*bind) (struct lttcomm_sock *sock);
- int (*close) (struct lttcomm_sock *sock);
- int (*connect) (struct lttcomm_sock *sock);
- struct lttcomm_sock *(*accept) (struct lttcomm_sock *sock);
- 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, const void *buf,
- size_t len, int flags);
+ int (*bind)(struct lttcomm_sock *sock);
+ int (*close)(struct lttcomm_sock *sock);
+ int (*connect)(struct lttcomm_sock *sock);
+ struct lttcomm_sock *(*accept)(struct lttcomm_sock *sock);
+ 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, const void *buf, size_t len, int flags);
};
struct process_attr_integral_value_comm {
* Data structure received from lttng client to session daemon.
*/
struct lttcomm_session_msg {
- uint32_t cmd_type; /* enum lttcomm_sessiond_command */
+ uint32_t cmd_type; /* enum lttcomm_sessiond_command */
struct lttng_session session;
struct lttng_domain domain;
union {
} LTTNG_PACKED snapshot_record;
struct {
uint32_t nb_uri;
- unsigned int timer_interval; /* usec */
+ unsigned int timer_interval; /* usec */
} LTTNG_PACKED session_live;
struct {
struct lttng_save_session_attr attr;
uint32_t fd_count;
} LTTNG_PACKED;
-#define LTTNG_FILTER_MAX_LEN 65536
-#define LTTNG_SESSION_DESCRIPTOR_MAX_LEN 65536
+#define LTTNG_FILTER_MAX_LEN 65536
+#define LTTNG_SESSION_DESCRIPTOR_MAX_LEN 65536
/*
* Filter bytecode data. The reloc table is located at the end of the
* bytecode. It is made of tuples: (uint16_t, var. len. string). It
* starts at reloc_table_offset.
*/
-#define LTTNG_FILTER_PADDING 32
+#define LTTNG_FILTER_PADDING 32
struct lttng_bytecode {
- uint32_t len; /* len of data */
+ uint32_t len; /* len of data */
uint32_t reloc_table_offset;
uint64_t seqnum;
char padding[LTTNG_FILTER_PADDING];
* by zero or more names, where the actual number of names is given by
* the 'count' item of the structure.
*/
-#define LTTNG_EVENT_EXCLUSION_PADDING 32
+#define LTTNG_EVENT_EXCLUSION_PADDING 32
struct lttng_event_exclusion {
uint32_t count;
char padding[LTTNG_EVENT_EXCLUSION_PADDING];
- char names[][LTTNG_SYMBOL_NAME_LEN];
+ char names[LTTNG_FLEXIBLE_ARRAY_MEMBER_LENGTH][LTTNG_SYMBOL_NAME_LEN];
} LTTNG_PACKED;
-#define LTTNG_EVENT_EXCLUSION_NAME_AT(_exclusion, _i) \
- ((_exclusion)->names[_i])
+#define LTTNG_EVENT_EXCLUSION_NAME_AT(_exclusion, _i) ((_exclusion)->names[_i])
/*
* Listing command header.
} LTTNG_PACKED;
/*
- * Command header of the reply to an LTTNG_DESTROY_SESSION command.
+ * Command header of the reply to an LTTCOMM_SESSIOND_COMMAND_DESTROY_SESSION command.
*/
struct lttcomm_session_destroy_command_header {
/* enum lttng_session */
* Data structure for the response from sessiond to the lttng client.
*/
struct lttcomm_lttng_msg {
- uint32_t cmd_type; /* enum lttcomm_sessiond_command */
- uint32_t ret_code; /* enum lttcomm_return_code */
- uint32_t pid; /* pid_t */
+ 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;
uint32_t fd_count;
* operation.
*/
struct lttcomm_consumer_msg {
- uint32_t cmd_type; /* enum lttng_consumer_command */
+ uint32_t cmd_type; /* enum lttng_consumer_command */
union {
struct {
uint64_t channel_key;
struct {
uint64_t stream_key;
uint64_t channel_key;
- int32_t cpu; /* On which CPU this stream is assigned. */
+ 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. */
+ } LTTNG_PACKED stream; /* Only used by Kernel. */
struct {
uint64_t net_index;
enum lttng_stream_type type;
uint64_t session_id;
} LTTNG_PACKED data_pending;
struct {
- uint64_t subbuf_size; /* bytes */
- uint64_t num_subbuf; /* power of 2 */
- int32_t overwrite; /* 1: overwrite, 0: discard */
- uint32_t switch_timer_interval; /* usec */
- uint32_t read_timer_interval; /* usec */
- unsigned int live_timer_interval; /* usec */
- uint8_t is_live; /* is part of a live session */
- uint32_t monitor_timer_interval; /* usec */
- int32_t output; /* splice, mmap */
- int32_t type; /* metadata or per_cpu */
- uint64_t session_id; /* Tracing session id */
- char pathname[PATH_MAX]; /* Channel file path. */
- char name[LTTNG_SYMBOL_NAME_LEN]; /* Channel name. */
+ uint64_t subbuf_size; /* bytes */
+ uint64_t num_subbuf; /* power of 2 */
+ int32_t overwrite; /* 1: overwrite, 0: discard */
+ uint32_t switch_timer_interval; /* usec */
+ uint32_t read_timer_interval; /* usec */
+ unsigned int live_timer_interval; /* usec */
+ uint8_t is_live; /* is part of a live session */
+ uint32_t monitor_timer_interval; /* usec */
+ int32_t output; /* splice, mmap */
+ int32_t type; /* metadata or per_cpu */
+ uint64_t session_id; /* Tracing session id */
+ char pathname[PATH_MAX]; /* Channel file path. */
+ char name[LTTNG_SYMBOL_NAME_LEN]; /* Channel name. */
/* Credentials used to open the UST buffer shared mappings. */
struct {
uint32_t uid;
uint32_t gid;
} LTTNG_PACKED buffer_credentials;
- uint64_t relayd_id; /* Relayd id if apply. */
- uint64_t key; /* Unique channel key. */
+ uint64_t relayd_id; /* Relayd id if apply. */
+ uint64_t key; /* Unique channel key. */
/* ID of the session's current trace chunk. */
LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED chunk_id;
- unsigned char uuid[LTTNG_UUID_LEN]; /* uuid for ust tracer. */
- uint32_t chan_id; /* Channel ID on the tracer side. */
- uint64_t tracefile_size; /* bytes */
- uint32_t tracefile_count; /* number of tracefiles */
- uint64_t session_id_per_pid; /* Per-pid session ID. */
+ unsigned char uuid[LTTNG_UUID_LEN]; /* uuid for ust tracer. */
+ uint32_t chan_id; /* Channel ID on the tracer side. */
+ uint64_t tracefile_size; /* bytes */
+ uint32_t tracefile_count; /* number of tracefiles */
+ uint64_t session_id_per_pid; /* Per-pid session ID. */
/* Tells the consumer if the stream should be or not monitored. */
uint32_t monitor;
/*
uint64_t key;
} LTTNG_PACKED destroy_channel;
struct {
- 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 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. */
+ uint64_t key; /* Metadata channel key. */
} LTTNG_PACKED close_metadata;
struct {
- uint64_t key; /* Metadata channel key. */
+ uint64_t key; /* Metadata channel key. */
} LTTNG_PACKED setup_metadata;
struct {
- uint64_t key; /* Channel key. */
+ uint64_t key; /* Channel key. */
} LTTNG_PACKED flush_channel;
struct {
- uint64_t key; /* Channel key. */
+ 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. */
uint32_t use_relayd;
- uint32_t metadata; /* This a metadata snapshot. */
- uint64_t relayd_id; /* Relayd id if apply. */
+ uint32_t metadata; /* This a metadata snapshot. */
+ uint64_t relayd_id; /* Relayd id if apply. */
uint64_t key;
uint64_t nb_packets_per_stream;
} LTTNG_PACKED snapshot_channel;
LTTNG_OPTIONAL_COMM(struct {
uint32_t uid;
uint32_t gid;
- } LTTNG_PACKED ) LTTNG_PACKED credentials;
+ } LTTNG_PACKED)
+ LTTNG_PACKED credentials;
} LTTNG_PACKED create_trace_chunk;
struct {
LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED relayd_id;
uint64_t chunk_id;
} LTTNG_PACKED trace_chunk_exists;
struct {
- lttng_uuid sessiond_uuid;
+ uint8_t sessiond_uuid[LTTNG_UUID_LEN];
} LTTNG_PACKED init;
struct {
uint64_t key;
struct lttcomm_consumer_channel_monitor_msg {
/* Key of the sampled channel. */
uint64_t key;
+ /* Id of the sampled channel's session. */
+ uint64_t session_id;
/*
* Lowest and highest usage (bytes) at the moment the sample was taken.
*/
/*
* Sum of all the consumed positions for a channel.
*/
- uint64_t total_consumed;
+ uint64_t consumed_since_last_sample;
} LTTNG_PACKED;
/*
struct lttcomm_ust_reply {
uint32_t handle;
uint32_t cmd;
- uint32_t ret_code; /* enum lttcomm_return_code */
- uint32_t ret_val; /* return value */
+ uint32_t ret_code; /* enum lttcomm_return_code */
+ uint32_t ret_val; /* return value */
union {
struct {
uint64_t memory_map_size;
const char *lttcomm_get_readable_code(enum lttcomm_return_code code);
int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
- const char *ip, unsigned int port);
+ const char *ip,
+ unsigned int port);
int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
- const char *ip, unsigned int port);
+ const char *ip,
+ unsigned int port);
struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto);
int lttcomm_populate_sock_from_open_socket(struct lttcomm_sock *sock,
- int fd,
- enum lttcomm_sock_proto protocol);
+ int fd,
+ enum lttcomm_sock_proto protocol);
int lttcomm_create_sock(struct lttcomm_sock *sock);
struct lttcomm_sock *lttcomm_alloc_sock_from_uri(struct lttng_uri *uri);
void lttcomm_destroy_sock(struct lttcomm_sock *sock);
struct lttcomm_sock *lttcomm_alloc_copy_sock(struct lttcomm_sock *src);
-void lttcomm_copy_sock(struct lttcomm_sock *dst,
- struct lttcomm_sock *src);
+void lttcomm_copy_sock(struct lttcomm_sock *dst, struct lttcomm_sock *src);
/* Relayd socket object. */
-struct lttcomm_relayd_sock *lttcomm_alloc_relayd_sock(
- struct lttng_uri *uri, uint32_t major, uint32_t minor);
+struct lttcomm_relayd_sock *
+lttcomm_alloc_relayd_sock(struct lttng_uri *uri, uint32_t major, uint32_t minor);
int lttcomm_setsockopt_rcv_timeout(int sock, unsigned int msec);
int lttcomm_setsockopt_snd_timeout(int sock, unsigned int msec);
-int lttcomm_sock_get_port(const struct lttcomm_sock *sock,
- uint16_t *port);
+int lttcomm_sock_get_port(const struct lttcomm_sock *sock, uint16_t *port);
/*
* Set a port to an lttcomm_sock. This will have no effect is the socket is
* already bound.
*/
int lttcomm_sock_set_port(struct lttcomm_sock *sock, uint16_t port);
-void lttcomm_init(void);
+void lttcomm_init();
/* Get network timeout, in milliseconds */
-unsigned long lttcomm_get_network_timeout(void);
+unsigned long lttcomm_get_network_timeout();
-#endif /* _LTTNG_SESSIOND_COMM_H */
+#endif /* _LTTNG_SESSIOND_COMM_H */
projects / lttng-tools.git / blobdiff