+++ /dev/null
-/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef _LTT_TRACE_UST_H
-#define _LTT_TRACE_UST_H
-
-#include <config.h>
-#include <limits.h>
-#include <urcu.h>
-#include <urcu/list.h>
-
-#include <lttng/lttng.h>
-#include <lttng-ht.h>
-
-#include "ust-ctl.h"
-
-/* UST Stream list */
-struct ltt_ust_stream_list {
- unsigned int count;
- struct cds_list_head head;
-};
-
-/* Context hash table nodes */
-struct ltt_ust_context {
- struct lttng_ust_context ctx;
- struct lttng_ht_node_ulong node;
-};
-
-/* UST event */
-struct ltt_ust_event {
- unsigned int enabled;
- struct lttng_ust_event attr;
- struct lttng_ht *ctx;
- struct lttng_ht_node_str node;
-};
-
-/* UST stream */
-struct ltt_ust_stream {
- int handle;
- char pathname[PATH_MAX];
- struct lttng_ust_object_data *obj;
- /* Using a list of streams to keep order. */
- struct cds_list_head list;
-};
-
-/* UST channel */
-struct ltt_ust_channel {
- unsigned int enabled;
- char name[LTTNG_UST_SYM_NAME_LEN];
- char pathname[PATH_MAX];
- struct lttng_ust_channel attr;
- struct lttng_ht *ctx;
- struct lttng_ht *events;
- struct lttng_ht_node_str node;
-};
-
-/* UST Metadata */
-struct ltt_ust_metadata {
- int handle;
- struct lttng_ust_object_data *obj;
- char pathname[PATH_MAX]; /* Trace file path name */
- struct lttng_ust_channel attr;
- struct lttng_ust_object_data *stream_obj;
-};
-
-/* UST domain global (LTTNG_DOMAIN_UST) */
-struct ltt_ust_domain_global {
- struct lttng_ht *channels;
-};
-
-/* UST domain pid (LTTNG_DOMAIN_UST_PID) */
-struct ltt_ust_domain_pid {
- pid_t pid;
- struct lttng_ht *channels;
- struct lttng_ht_node_ulong node;
-};
-
-/* UST domain exec name (LTTNG_DOMAIN_UST_EXEC_NAME) */
-struct ltt_ust_domain_exec {
- char exec_name[LTTNG_UST_SYM_NAME_LEN];
- struct lttng_ht *channels;
- struct lttng_ht_node_str node;
-};
-
-/* UST session */
-struct ltt_ust_session {
- int id; /* Unique identifier of session */
- int start_trace;
- char pathname[PATH_MAX];
- struct ltt_ust_domain_global domain_global;
- /*
- * Those two hash tables contains data for a specific UST domain and each
- * contains a HT of channels. See ltt_ust_domain_exec and
- * ltt_ust_domain_pid data structures.
- */
- struct lttng_ht *domain_pid;
- struct lttng_ht *domain_exec;
- /* UID/GID of the user owning the session */
- uid_t uid;
- gid_t gid;
-};
-
-#ifdef HAVE_LIBLTTNG_UST_CTL
-
-/*
- * Lookup functions. NULL is returned if not found.
- */
-struct ltt_ust_event *trace_ust_find_event_by_name(struct lttng_ht *ht,
- char *name);
-struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht,
- char *name);
-
-/*
- * Create functions malloc() the data structure.
- */
-struct ltt_ust_session *trace_ust_create_session(char *path, int session_id,
- struct lttng_domain *domain);
-struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr,
- char *path);
-struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev);
-struct ltt_ust_metadata *trace_ust_create_metadata(char *path);
-struct ltt_ust_context *trace_ust_create_context(
- struct lttng_event_context *ctx);
-
-/*
- * Destroy functions free() the data structure and remove from linked list if
- * it's applies.
- */
-void trace_ust_destroy_session(struct ltt_ust_session *session);
-void trace_ust_destroy_metadata(struct ltt_ust_metadata *metadata);
-void trace_ust_destroy_channel(struct ltt_ust_channel *channel);
-void trace_ust_destroy_event(struct ltt_ust_event *event);
-
-#else /* HAVE_LIBLTTNG_UST_CTL */
-
-static inline
-struct ltt_ust_event *trace_ust_find_event_by_name(struct lttng_ht *ht,
- char *name)
-{
- return NULL;
-}
-
-static inline
-struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht,
- char *name)
-{
- return NULL;
-}
-
-static inline
-struct ltt_ust_session *trace_ust_create_session(char *path, pid_t pid,
- struct lttng_domain *domain)
-{
- return NULL;
-}
-static inline
-struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *attr,
- char *path)
-{
- return NULL;
-}
-static inline
-struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev)
-{
- return NULL;
-}
-static inline
-struct ltt_ust_metadata *trace_ust_create_metadata(char *path)
-{
- return NULL;
-}
-
-static inline
-void trace_ust_destroy_session(struct ltt_ust_session *session)
-{
-}
-
-static inline
-void trace_ust_destroy_metadata(struct ltt_ust_metadata *metadata)
-{
-}
-
-static inline
-void trace_ust_destroy_channel(struct ltt_ust_channel *channel)
-{
-}
-
-static inline
-void trace_ust_destroy_event(struct ltt_ust_event *event)
-{
-}
-static inline
-struct ltt_ust_context *trace_ust_create_context(
- struct lttng_event_context *ctx)
-{
- return NULL;
-}
-
-#endif /* HAVE_LIBLTTNG_UST_CTL */
-
-#endif /* _LTT_TRACE_UST_H */
projects / lttng-tools.git / blobdiff