*
* 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; either version 2
- * of the License, or (at your option) any later version.
+ * 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
#ifndef _LTT_TRACE_H
#define _LTT_TRACE_H
-#include "ltt-sessiond.h"
-#include "session.h"
+#include <limits.h>
+#include <urcu/list.h>
+
+#include <lttng/lttng.h>
+
#include "lttng-kernel.h"
/* 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 {
- char name[NAME_MAX];
int fd;
+ int enabled;
+ struct lttng_kernel_context *ctx;
+ struct lttng_kernel_event *event;
struct cds_list_head list;
};
/* Kernel channel */
struct ltt_kernel_channel {
int fd;
+ int enabled;
+ char *pathname;
+ unsigned int stream_count;
+ 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;
+};
+
+/* Metadata */
+struct ltt_kernel_metadata {
+ int fd;
+ char *pathname;
+ struct lttng_channel *conf;
+};
+
+/* Channel stream */
+struct ltt_kernel_stream {
+ int fd;
+ char *pathname;
+ int state;
+ struct cds_list_head list;
};
/* Kernel session */
struct ltt_kernel_session {
int fd;
- struct ltt_kernel_channel *channel;
+ int metadata_stream_fd;
+ int kconsumer_fds_sent;
+ unsigned int channel_count;
+ unsigned int stream_count_global;
+ struct ltt_kernel_metadata *metadata;
+ struct ltt_kernel_channel_list channel_list;
};
/* UST trace representation */
char *channel;
};
-int get_trace_count_per_session(struct ltt_session *session);
-void get_traces_per_session(struct ltt_session *session, struct lttng_trace *traces);
-int ust_create_trace(struct command_ctx *cmd_ctx);
-int ust_start_trace(struct command_ctx *cmd_ctx);
-int ust_stop_trace(struct command_ctx *cmd_ctx);
+/*
+ * Get functions.
+ */
+struct ltt_kernel_event *get_kernel_event_by_name(
+ char *name, struct ltt_kernel_channel *channel);
+struct ltt_kernel_channel *get_kernel_channel_by_name(
+ char *name, struct ltt_kernel_session *session);
+
+/*
+ * Create functions malloc() the data structure.
+ */
+struct ltt_kernel_session *trace_create_kernel_session(void);
+struct ltt_kernel_channel *trace_create_kernel_channel(struct lttng_channel *chan, char *path);
+struct ltt_kernel_event *trace_create_kernel_event(struct lttng_event *ev);
+struct ltt_kernel_metadata *trace_create_kernel_metadata(char *path);
+struct ltt_kernel_stream *trace_create_kernel_stream(void);
+
+/*
+ * Destroy functions free() the data structure and remove from linked list if
+ * it's applies.
+ */
+void trace_destroy_kernel_session(struct ltt_kernel_session *session);
+void trace_destroy_kernel_metadata(struct ltt_kernel_metadata *metadata);
+void trace_destroy_kernel_channel(struct ltt_kernel_channel *channel);
+void trace_destroy_kernel_event(struct ltt_kernel_event *event);
+void trace_destroy_kernel_stream(struct ltt_kernel_stream *stream);
#endif /* _LTT_TRACE_H */