+++ /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, version 2 only,
- * as published by the Free Software Foundation.
- *
- * 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_TRACE_KERNEL_H
-#define _LTT_TRACE_KERNEL_H
-
-#include <urcu/list.h>
-
-#include <lttng/lttng.h>
-#include <common/lttng-kernel.h>
-#include <common/lttng-kernel-old.h>
-#include <common/defaults.h>
-
-#include "consumer.h"
-
-/* Kernel event list */
-struct ltt_kernel_event_list {
- struct cds_list_head head;
-};
-
-/* Channel stream list */
-struct ltt_kernel_stream_list {
- struct cds_list_head head;
-};
-
-/* Channel list */
-struct ltt_kernel_channel_list {
- struct cds_list_head head;
-};
-
-/* Kernel event */
-struct ltt_kernel_event {
- int fd;
- int enabled;
- struct lttng_kernel_event *event;
- struct cds_list_head list;
-};
-
-/* Kernel channel */
-struct ltt_kernel_channel {
- int fd;
- int enabled;
- unsigned int stream_count;
- unsigned int event_count;
- /*
- * TODO: need internal representation to support more than a
- * single context.
- */
- struct lttng_kernel_context *ctx;
- struct lttng_channel *channel;
- struct ltt_kernel_event_list events_list;
- struct ltt_kernel_stream_list stream_list;
- struct cds_list_head list;
- /* Session pointer which has a reference to this object. */
- struct ltt_kernel_session *session;
-};
-
-/* Metadata */
-struct ltt_kernel_metadata {
- int fd;
- struct lttng_channel *conf;
-};
-
-/* Channel stream */
-struct ltt_kernel_stream {
- int fd;
- int state;
- int cpu;
- /* Format is %s_%d respectively channel name and CPU number. */
- char name[DEFAULT_STREAM_NAME_LEN];
- uint64_t tracefile_size;
- uint64_t tracefile_count;
- struct cds_list_head list;
-};
-
-/* Kernel session */
-struct ltt_kernel_session {
- int fd;
- int metadata_stream_fd;
- int consumer_fds_sent;
- unsigned int channel_count;
- unsigned int stream_count_global;
- struct ltt_kernel_metadata *metadata;
- struct ltt_kernel_channel_list channel_list;
- /* UID/GID of the user owning the session */
- uid_t uid;
- gid_t gid;
- /*
- * Two consumer_output object are needed where one is needed for the
- * current output object and the second one is the temporary object used to
- * store URI being set by the lttng_set_consumer_uri call. Once
- * lttng_enable_consumer is called, the two pointers are swapped.
- */
- struct consumer_output *consumer;
- struct consumer_output *tmp_consumer;
- /* Tracing session id */
- uint64_t id;
- /* Session is started and active */
- unsigned int started;
- /* Tell or not if the session has to output the traces. */
- unsigned int output_traces;
- unsigned int snapshot_mode;
-};
-
-/*
- * Lookup functions. NULL is returned if not found.
- */
-struct ltt_kernel_event *trace_kernel_get_event_by_name(
- char *name, struct ltt_kernel_channel *channel);
-struct ltt_kernel_channel *trace_kernel_get_channel_by_name(
- char *name, struct ltt_kernel_session *session);
-
-/*
- * Create functions malloc() the data structure.
- */
-struct ltt_kernel_session *trace_kernel_create_session(void);
-struct ltt_kernel_channel *trace_kernel_create_channel(
- struct lttng_channel *chan);
-struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev);
-struct ltt_kernel_metadata *trace_kernel_create_metadata(void);
-struct ltt_kernel_stream *trace_kernel_create_stream(const char *name,
- unsigned int count);
-
-/*
- * Destroy functions free() the data structure and remove from linked list if
- * it's applies.
- */
-void trace_kernel_destroy_session(struct ltt_kernel_session *session);
-void trace_kernel_destroy_metadata(struct ltt_kernel_metadata *metadata);
-void trace_kernel_destroy_channel(struct ltt_kernel_channel *channel);
-void trace_kernel_destroy_event(struct ltt_kernel_event *event);
-void trace_kernel_destroy_stream(struct ltt_kernel_stream *stream);
-
-#endif /* _LTT_TRACE_KERNEL_H */