#include "inet6.h"
#include <common/unix.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* Queue size of listen(2) */
#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
/* Maximum number of FDs that can be sent over a Unix socket */
-#define LTTCOMM_MAX_SEND_FDS 4
+#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
+#else
+#define LTTCOMM_MAX_SEND_FDS 16
+#endif
/*
* Get the error code index from 0 since LTTCOMM_OK start at 1000
LTTNG_SESSION_LIST_ROTATION_SCHEDULES = 48,
LTTNG_CREATE_SESSION_EXT = 49,
LTTNG_CLEAR_SESSION = 50,
+ LTTNG_LIST_TRIGGERS = 51,
+ LTTNG_EXECUTE_ERROR_QUERY = 52,
};
+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";
+ default:
+ abort();
+ }
+}
+
enum lttcomm_relayd_command {
RELAYD_ADD_STREAM = 1,
RELAYD_CREATE_SESSION = 2,
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 */
/* Event data */
struct {
char channel_name[LTTNG_SYMBOL_NAME_LEN];
- struct lttng_event event LTTNG_PACKED;
+ struct lttng_event event;
/* Length of following filter expression. */
uint32_t expression_len;
/* Length of following bytecode for filter. */
} LTTNG_PACKED enable;
struct {
char channel_name[LTTNG_SYMBOL_NAME_LEN];
- struct lttng_event event LTTNG_PACKED;
+ struct lttng_event event;
/* Length of following filter expression. */
uint32_t expression_len;
/* Length of following bytecode for filter. */
} LTTNG_PACKED disable;
/* Create channel */
struct {
- struct lttng_channel chan LTTNG_PACKED;
- /* struct lttng_channel_extended is already packed. */
+ struct lttng_channel chan;
struct lttng_channel_extended extended;
} LTTNG_PACKED channel;
/* Context */
struct {
char channel_name[LTTNG_SYMBOL_NAME_LEN];
- struct lttng_event_context ctx LTTNG_PACKED;
+ struct lttng_event_context ctx;
uint32_t provider_name_len;
uint32_t context_name_len;
} LTTNG_PACKED context;
uint32_t size;
} LTTNG_PACKED uri;
struct {
- struct lttng_snapshot_output output LTTNG_PACKED;
+ struct lttng_snapshot_output output;
} LTTNG_PACKED snapshot_output;
struct {
uint32_t wait;
- struct lttng_snapshot_output output LTTNG_PACKED;
+ struct lttng_snapshot_output output;
} LTTNG_PACKED snapshot_record;
struct {
uint32_t nb_uri;
unsigned int timer_interval; /* usec */
} LTTNG_PACKED session_live;
struct {
- struct lttng_save_session_attr attr; /* struct already packed */
+ struct lttng_save_session_attr attr;
} LTTNG_PACKED save_session;
struct {
char shm_path[PATH_MAX];
} LTTNG_PACKED process_attr_tracker_set_tracking_policy;
struct {
uint32_t length;
+ uint8_t is_trigger_anonymous;
} LTTNG_PACKED trigger;
+ struct {
+ uint32_t length;
+ } LTTNG_PACKED error_query;
struct {
uint64_t rotation_id;
} LTTNG_PACKED get_rotation_info;
/* An lttng_session_descriptor follows. */
} LTTNG_PACKED create_session;
} u;
+ /* Count of fds sent. */
+ uint32_t fd_count;
} LTTNG_PACKED;
#define LTTNG_FILTER_MAX_LEN 65536
* starts at reloc_table_offset.
*/
#define LTTNG_FILTER_PADDING 32
-struct lttng_filter_bytecode {
+struct lttng_bytecode {
uint32_t len; /* len of data */
uint32_t reloc_table_offset;
uint64_t seqnum;
uint32_t pid; /* pid_t */
uint32_t cmd_header_size;
uint32_t data_size;
+ uint32_t fd_count;
} LTTNG_PACKED;
struct lttcomm_lttng_output_id {
uint32_t monitor;
/* timer to check the streams usage in live mode (usec). */
unsigned int live_timer_interval;
+ /* is part of a live session */
+ uint8_t is_live;
/* timer to sample a channel's positions (usec). */
unsigned int monitor_timer_interval;
} LTTNG_PACKED channel; /* Only used by Kernel. */
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 */
struct {
uint64_t key;
} LTTNG_PACKED clear_channel;
+ struct {
+ uint64_t key;
+ } LTTNG_PACKED open_channel_packets;
} u;
} LTTNG_PACKED;
uint32_t handle;
uint32_t cmd;
union {
- struct lttng_ust_channel channel;
- struct lttng_ust_stream stream;
- struct lttng_ust_event event;
- struct lttng_ust_context context;
- struct lttng_ust_tracer_version version;
+ struct lttng_ust_abi_channel channel;
+ struct lttng_ust_abi_stream stream;
+ struct lttng_ust_abi_event event;
+ struct lttng_ust_abi_context context;
+ struct lttng_ust_abi_tracer_version version;
} u;
} LTTNG_PACKED;
struct {
uint64_t memory_map_size;
} LTTNG_PACKED stream;
- struct lttng_ust_tracer_version version;
+ struct lttng_ust_abi_tracer_version version;
} u;
} LTTNG_PACKED;
#endif /* HAVE_LIBLTTNG_UST_CTL */
-LTTNG_HIDDEN const char *lttcomm_get_readable_code(enum lttcomm_return_code code);
+const char *lttcomm_get_readable_code(enum lttcomm_return_code code);
-LTTNG_HIDDEN int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
+int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
const char *ip, unsigned int port);
-LTTNG_HIDDEN int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
+int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
const char *ip, unsigned int port);
-LTTNG_HIDDEN struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto);
-LTTNG_HIDDEN int lttcomm_create_sock(struct lttcomm_sock *sock);
-LTTNG_HIDDEN struct lttcomm_sock *lttcomm_alloc_sock_from_uri(struct lttng_uri *uri);
-LTTNG_HIDDEN void lttcomm_destroy_sock(struct lttcomm_sock *sock);
-LTTNG_HIDDEN struct lttcomm_sock *lttcomm_alloc_copy_sock(struct lttcomm_sock *src);
-LTTNG_HIDDEN void lttcomm_copy_sock(struct lttcomm_sock *dst,
+struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto);
+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);
/* Relayd socket object. */
-LTTNG_HIDDEN struct lttcomm_relayd_sock *lttcomm_alloc_relayd_sock(
+struct lttcomm_relayd_sock *lttcomm_alloc_relayd_sock(
struct lttng_uri *uri, uint32_t major, uint32_t minor);
-LTTNG_HIDDEN int lttcomm_setsockopt_rcv_timeout(int sock, unsigned int msec);
-LTTNG_HIDDEN int lttcomm_setsockopt_snd_timeout(int sock, unsigned int msec);
+int lttcomm_setsockopt_rcv_timeout(int sock, unsigned int msec);
+int lttcomm_setsockopt_snd_timeout(int sock, unsigned int msec);
-LTTNG_HIDDEN int lttcomm_sock_get_port(const struct lttcomm_sock *sock,
+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.
*/
-LTTNG_HIDDEN int lttcomm_sock_set_port(struct lttcomm_sock *sock, uint16_t port);
+int lttcomm_sock_set_port(struct lttcomm_sock *sock, uint16_t port);
-LTTNG_HIDDEN void lttcomm_init(void);
+void lttcomm_init(void);
/* Get network timeout, in milliseconds */
-LTTNG_HIDDEN unsigned long lttcomm_get_network_timeout(void);
+unsigned long lttcomm_get_network_timeout(void);
+
+#ifdef __cplusplus
+}
+#endif
#endif /* _LTTNG_SESSIOND_COMM_H */