/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
- * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * 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.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * 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.
*/
#ifndef _LTT_UST_APP_H
#include <stdint.h>
-#include <common/compat/uuid.h>
+#include <common/uuid.h>
#include "trace-ust.h"
#include "ust-registry.h"
/* Process name (short). */
#define UST_APP_PROCNAME_LEN 16
-struct lttng_filter_bytecode;
+struct lttng_bytecode;
struct lttng_ust_filter_bytecode;
extern int ust_consumerd64_fd, ust_consumerd32_fd;
struct ust_app_ht_key {
const char *name;
- const struct lttng_filter_bytecode *filter;
- enum lttng_ust_loglevel_type loglevel_type;
+ const struct lttng_bytecode *filter;
+ enum lttng_ust_abi_loglevel_type loglevel_type;
const struct lttng_event_exclusion *exclusion;
};
* Global applications HT used by the session daemon. This table is indexed by
* PID using the pid_n node and pid value of an ust_app.
*/
-struct lttng_ht *ust_app_ht;
+extern struct lttng_ht *ust_app_ht;
/*
* Global applications HT used by the session daemon. This table is indexed by
*
* The 'sock' in question here is the 'command' socket.
*/
-struct lttng_ht *ust_app_ht_by_sock;
+extern struct lttng_ht *ust_app_ht_by_sock;
/*
* Global applications HT used by the session daemon. This table is indexed by
* socket using the notify_sock_n node and notify_sock value of an ust_app.
*/
-struct lttng_ht *ust_app_ht_by_notify_sock;
+extern struct lttng_ht *ust_app_ht_by_notify_sock;
/* Stream list containing ust_app_stream. */
struct ust_app_stream_list {
struct ust_app_ctx {
int handle;
struct lttng_ust_context_attr ctx;
- struct lttng_ust_object_data *obj;
+ struct lttng_ust_abi_object_data *obj;
struct lttng_ht_node_ulong node;
struct cds_list_head list;
};
struct ust_app_event {
int enabled;
int handle;
- struct lttng_ust_object_data *obj;
- struct lttng_ust_event attr;
- char name[LTTNG_UST_SYM_NAME_LEN];
+ struct lttng_ust_abi_object_data *obj;
+ struct lttng_ust_abi_event attr;
+ char name[LTTNG_UST_ABI_SYM_NAME_LEN];
struct lttng_ht_node_str node;
- struct lttng_filter_bytecode *filter;
+ struct lttng_bytecode *filter;
struct lttng_event_exclusion *exclusion;
};
+struct ust_app_event_notifier_rule {
+ int enabled;
+ int handle;
+ struct lttng_ust_abi_object_data *obj;
+ /* Holds a strong reference. */
+ struct lttng_trigger *trigger;
+ /* Unique ID returned by the tracer to identify this event notifier. */
+ uint64_t token;
+ struct lttng_ht_node_u64 node;
+ /* The trigger object owns the filter. */
+ const struct lttng_bytecode *filter;
+ /* Owned by this. */
+ struct lttng_event_exclusion *exclusion;
+ /* For delayed reclaim. */
+ struct rcu_head rcu_head;
+};
+
struct ust_app_stream {
int handle;
char pathname[PATH_MAX];
/* Format is %s_%d respectively channel name and CPU number. */
char name[DEFAULT_STREAM_NAME_LEN];
- struct lttng_ust_object_data *obj;
+ struct lttng_ust_abi_object_data *obj;
/* Using a list of streams to keep order. */
struct cds_list_head list;
};
uint64_t tracing_channel_id;
/* Number of stream that this channel is expected to receive. */
unsigned int expected_stream_count;
- char name[LTTNG_UST_SYM_NAME_LEN];
- struct lttng_ust_object_data *obj;
+ char name[LTTNG_UST_ABI_SYM_NAME_LEN];
+ struct lttng_ust_abi_object_data *obj;
struct ustctl_consumer_channel_attr attr;
struct ust_app_stream_list streams;
/* Session pointer that owns this object. */
int compatible; /* If the lttng-ust tracer version does not match the
supported version of the session daemon, this flag is
set to 0 (NOT compatible) else 1. */
- struct lttng_ust_tracer_version version;
+ struct lttng_ust_abi_tracer_version version;
uint32_t v_major; /* Version major number */
uint32_t v_minor; /* Version minor number */
/* Extra for the NULL byte. */
* Used for path creation
*/
time_t registration_time;
+ /*
+ * Event notifier
+ */
+ struct {
+ /*
+ * Handle to the lttng_ust object representing the event
+ * notifier group.
+ */
+ struct lttng_ust_abi_object_data *object;
+ struct lttng_pipe *event_pipe;
+ } event_notifier_group;
+ /*
+ * Hashtable indexing the application's event notifier rule's
+ * (ust_app_event_notifier_rule) by their token's value.
+ */
+ struct lttng_ht *token_to_event_notifier_rule_ht;
};
#ifdef HAVE_LIBLTTNG_UST_CTL
int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
int ust_app_list_events(struct lttng_event **events);
int ust_app_list_event_fields(struct lttng_event_field **fields);
-int ust_app_create_channel_glb(struct ltt_ust_session *usess,
- struct ltt_ust_channel *uchan);
int ust_app_create_event_glb(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx);
void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app);
void ust_app_global_update_all(struct ltt_ust_session *usess);
+void ust_app_global_update_event_notifier_rules(struct ust_app *app);
+void ust_app_global_update_all_event_notifier_rules(void);
void ust_app_clean_list(void);
int ust_app_ht_alloc(void);
enum lttng_error_code ust_app_create_channel_subdirectories(
const struct ltt_ust_session *session);
int ust_app_release_object(struct ust_app *app,
- struct lttng_ust_object_data *data);
+ struct lttng_ust_abi_object_data *data);
+enum lttng_error_code ust_app_clear_session(struct ltt_session *session);
+enum lttng_error_code ust_app_open_packets(struct ltt_session *session);
+
+int ust_app_setup_event_notifier_group(struct ust_app *app);
static inline
int ust_app_supported(void)
void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app)
{}
static inline
-int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
- struct ltt_ust_channel *uchan)
+void ust_app_global_update_event_notifier_rules(struct ust_app *app)
+{}
+static inline
+void ust_app_global_update_all_event_notifier_rules(void)
+{}
+static inline
+int ust_app_setup_event_notifier_group(struct ust_app *app)
{
return 0;
}
static inline
-int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
+int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan)
{
return 0;
}
static inline
-int ust_app_create_channel_glb(struct ltt_ust_session *usess,
+int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan)
{
return 0;
}
static inline
-int ust_app_release_object(struct ust_app *app, struct lttng_ust_object_data *data)
+int ust_app_release_object(struct ust_app *app, struct lttng_ust_abi_object_data *data)
+{
+ return 0;
+}
+
+static inline
+enum lttng_error_code ust_app_clear_session(struct ltt_session *session)
+{
+ return 0;
+}
+
+static inline
+enum lttng_error_code ust_app_open_packets(struct ltt_session *session)
{
return 0;
}
projects / lttng-tools.git / blobdiff