X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Fust-comm.h;h=4dbd5c8999d00f49495a6841951a63500df68d86;hb=76644b7eab2612bb24ce3dc6d67d5a654c4b7f8f;hp=ba800900e1011fc8121723f08b8b2e3a0972fae6;hpb=ff0f57289ff0e6be25424081fabbbfc0e3b1b565;p=lttng-ust.git

diff --git a/include/ust-comm.h b/include/ust-comm.h
index ba800900..4dbd5c89 100644
--- a/include/ust-comm.h
+++ b/include/ust-comm.h
@@ -26,11 +26,18 @@
  * These declarations should NOT be considered stable API.
  */
 
+#include <stdint.h>
 #include <limits.h>
 #include <unistd.h>
 #include <lttng/ust-abi.h>
 #include <lttng/ust-error.h>
 #include <lttng/ust-compiler.h>
+#include <lttng/ust-ctl.h>
+#include "helper.h"
+
+#ifndef LTTNG_PACKED
+#error "LTTNG_PACKED should be defined"
+#endif
 
 /*
  * Default timeout the application waits for the sessiond to send its
@@ -38,9 +45,9 @@
  * variable "LTTNG_UST_REGISTER_TIMEOUT". Note that if the sessiond is not
  * found, the application proceeds directly without any delay.
  */
-#define LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS	3000
+#define LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS	CONFIG_LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS
 
-#define LTTNG_DEFAULT_RUNDIR				"/var/run/lttng"
+#define LTTNG_DEFAULT_RUNDIR				LTTNG_SYSTEM_RUNDIR
 #define LTTNG_DEFAULT_HOME_RUNDIR			".lttng"
 
 /* Queue size of listen(2) */
@@ -48,6 +55,10 @@
 #define LTTNG_UST_COMM_REG_MSG_PADDING			64
 
 struct lttng_event_field;
+struct lttng_ctx_field;
+struct lttng_enum_entry;
+struct lttng_integer_type;
+struct lttng_session;
 
 struct ustctl_reg_msg {
 	uint32_t magic;
@@ -89,6 +100,26 @@ struct ustcomm_ust_msg {
 			uint32_t reloc_offset;
 			uint64_t seqnum;
 		} LTTNG_PACKED filter;
+		struct {
+			uint32_t count;	/* how many names follow */
+		} LTTNG_PACKED exclusion;
+		struct {
+			uint32_t data_size;	/* following capture data */
+			uint32_t reloc_offset;
+			uint64_t seqnum;
+		} LTTNG_PACKED capture;
+		struct lttng_ust_counter counter;
+		struct lttng_ust_counter_global counter_global;
+		struct lttng_ust_counter_cpu counter_cpu;
+		/*
+		 * For LTTNG_UST_EVENT_NOTIFIER_CREATE, a struct
+		 * lttng_ust_event_notifier implicitly follows struct
+		 * ustcomm_ust_msg.
+		 */
+		struct {
+			/* Length of struct lttng_ust_event_notifier */
+			uint32_t len;
+		} event_notifier;
 		char padding[USTCOMM_MSG_PADDING2];
 	} u;
 } LTTNG_PACKED;
@@ -102,7 +133,7 @@ struct ustcomm_ust_msg {
 struct ustcomm_ust_reply {
 	uint32_t handle;
 	uint32_t cmd;
-	uint32_t ret_code;	/* enum ustcomm_return_code */
+	int32_t ret_code;	/* enum ustcomm_return_code */
 	uint32_t ret_val;	/* return value */
 	char padding[USTCOMM_REPLY_PADDING1];
 	union {
@@ -142,6 +173,22 @@ struct ustcomm_notify_event_reply {
 	char padding[USTCOMM_NOTIFY_EVENT_REPLY_PADDING];
 } LTTNG_PACKED;
 
+#define USTCOMM_NOTIFY_ENUM_MSG_PADDING		32
+struct ustcomm_notify_enum_msg {
+	uint32_t session_objd;
+	char enum_name[LTTNG_UST_SYM_NAME_LEN];
+	uint32_t entries_len;
+	char padding[USTCOMM_NOTIFY_ENUM_MSG_PADDING];
+	/* followed by enum entries */
+} LTTNG_PACKED;
+
+#define USTCOMM_NOTIFY_EVENT_REPLY_PADDING	32
+struct ustcomm_notify_enum_reply {
+	int32_t ret_code;	/* 0: ok, negative: error code */
+	uint64_t enum_id;
+	char padding[USTCOMM_NOTIFY_EVENT_REPLY_PADDING];
+} LTTNG_PACKED;
+
 #define USTCOMM_NOTIFY_CHANNEL_MSG_PADDING	32
 struct ustcomm_notify_channel_msg {
 	uint32_t session_objd;
@@ -165,7 +212,8 @@ struct ustcomm_notify_channel_reply {
  */
 
 extern int ustcomm_create_unix_sock(const char *pathname);
-extern int ustcomm_connect_unix_sock(const char *pathname);
+extern int ustcomm_connect_unix_sock(const char *pathname,
+		long timeout);
 extern int ustcomm_accept_unix_sock(int sock);
 extern int ustcomm_listen_unix_sock(int sock);
 extern int ustcomm_close_unix_sock(int sock);
@@ -189,6 +237,16 @@ ssize_t ustcomm_recv_channel_from_sessiond(int sock,
 int ustcomm_recv_stream_from_sessiond(int sock,
 		uint64_t *memory_map_size,
 		int *shm_fd, int *wakeup_fd);
+LTTNG_HIDDEN
+ssize_t ustcomm_recv_event_notifier_notif_fd_from_sessiond(int sock,
+		int *event_notifier_notif_fd);
+
+LTTNG_HIDDEN
+ssize_t ustcomm_recv_counter_from_sessiond(int sock,
+		void **counter_data, uint64_t len);
+LTTNG_HIDDEN
+int ustcomm_recv_counter_shm_from_sessiond(int sock,
+		int *shm_fd);
 
 /*
  * Returns 0 on success, negative error value on error.
@@ -208,6 +266,7 @@ int ustcomm_send_reg_msg(int sock,
  * Returns -EPIPE or -ECONNRESET if other end has hung up.
  */
 int ustcomm_register_event(int sock,
+	struct lttng_session *session,
 	int session_objd,		/* session descriptor */
 	int channel_objd,		/* channel descriptor */
 	const char *event_name,		/* event name (input) */
@@ -218,15 +277,27 @@ int ustcomm_register_event(int sock,
 	const char *model_emf_uri,
 	uint32_t *id);			/* event id (output) */
 
+/*
+ * Returns 0 on success, negative error value on error.
+ * Returns -EPIPE or -ECONNRESET if other end has hung up.
+ */
+int ustcomm_register_enum(int sock,
+	int session_objd,		/* session descriptor */
+	const char *enum_name,		/* enum name (input) */
+	size_t nr_entries,		/* entries */
+	const struct lttng_enum_entry *entries,
+	uint64_t *id);			/* enum id (output) */
+
 /*
  * Returns 0 on success, negative error value on error.
  * Returns -EPIPE or -ECONNRESET if other end has hung up.
  */
 int ustcomm_register_channel(int sock,
+	struct lttng_session *session,
 	int session_objd,		/* session descriptor */
 	int channel_objd,		/* channel descriptor */
 	size_t nr_ctx_fields,
-	const struct lttng_event_field *ctx_fields,
+	const struct lttng_ctx_field *ctx_fields,
 	uint32_t *chan_id,		/* channel id (output) */
 	int *header_type); 		/* header type (output) */