/*
- * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
*
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LTTNG_SNAPSHOT_H
#define LTTNG_SNAPSHOT_H
#include <limits.h>
+#include <lttng/lttng-export.h>
#include <stdint.h>
#include <sys/types.h>
/*
* Return an newly allocated snapshot output object or NULL on error.
*/
-struct lttng_snapshot_output *lttng_snapshot_output_create(void);
+LTTNG_EXPORT extern struct lttng_snapshot_output *lttng_snapshot_output_create(void);
/*
* Free a given snapshot output object.
*/
-void lttng_snapshot_output_destroy(struct lttng_snapshot_output *output);
+LTTNG_EXPORT extern void lttng_snapshot_output_destroy(struct lttng_snapshot_output *output);
/*
* Snapshot output getter family functions. They all return the value present
*/
/* Return snapshot ID. */
-uint32_t lttng_snapshot_output_get_id(struct lttng_snapshot_output *output);
+LTTNG_EXPORT extern uint32_t lttng_snapshot_output_get_id(const struct lttng_snapshot_output *output);
/* Return maximum size of a snapshot. */
-uint64_t lttng_snapshot_output_get_maxsize(struct lttng_snapshot_output *output);
+LTTNG_EXPORT extern uint64_t lttng_snapshot_output_get_maxsize(const struct lttng_snapshot_output *output);
/* Return snapshot name. */
-const char *lttng_snapshot_output_get_name(struct lttng_snapshot_output *output);
+LTTNG_EXPORT extern const char *lttng_snapshot_output_get_name(const struct lttng_snapshot_output *output);
/* Return snapshot control URL in a text format. */
-const char *lttng_snapshot_output_get_ctrl_url(struct lttng_snapshot_output *output);
+LTTNG_EXPORT extern const char *lttng_snapshot_output_get_ctrl_url(const struct lttng_snapshot_output *output);
/* Return snapshot data URL in a text format. */
-const char *lttng_snapshot_output_get_data_url(struct lttng_snapshot_output *output);
+LTTNG_EXPORT extern const char *lttng_snapshot_output_get_data_url(const struct lttng_snapshot_output *output);
/*
* Snapshot output setter family functions.
*
- * For every set* call, 0 is returned on success or else LTTNG_ERR_INVALID is
+ * For every set* call, 0 is returned on success or else -LTTNG_ERR_INVALID is
* returned indicating that at least one given parameter is invalid.
*/
/* Set a custom ID. */
-int lttng_snapshot_output_set_id(uint32_t id,
+LTTNG_EXPORT extern int lttng_snapshot_output_set_id(uint32_t id,
struct lttng_snapshot_output *output);
/* Set the maximum size. */
-int lttng_snapshot_output_set_size(uint64_t size,
+LTTNG_EXPORT extern int lttng_snapshot_output_set_size(uint64_t size,
struct lttng_snapshot_output *output);
/* Set the snapshot name. */
-int lttng_snapshot_output_set_name(const char *name,
+LTTNG_EXPORT extern int lttng_snapshot_output_set_name(const char *name,
+ struct lttng_snapshot_output *output);
+
+/*
+ * Set the output destination to be a path on the local filesystem.
+ *
+ * The path must be absolute. It can optionally begin with `file://`.
+ *
+ * Return 0 on success or else a negative LTTNG_ERR code.
+ */
+LTTNG_EXPORT extern int lttng_snapshot_output_set_local_path(const char *path,
+ struct lttng_snapshot_output *output);
+
+/*
+ * Set the output destination to be the network from a combined control/data
+ * URL.
+ *
+ * `url` must start with `net://` or `net6://`.
+ *
+ * Return 0 on success or else a negative LTTNG_ERR code.
+ */
+LTTNG_EXPORT extern int lttng_snapshot_output_set_network_url(const char *url,
+ struct lttng_snapshot_output *output);
+
+/*
+ * Set the output destination to be the network using separate URLs for control
+ * and data.
+ *
+ * Both ctrl_url and data_url must be non-null.
+ *
+ * `ctrl_url` and `data_url` must start with `tcp://` or `tcp6://`.
+ *
+ * Return 0 on success or else a negative LTTNG_ERR code.
+ */
+LTTNG_EXPORT extern int lttng_snapshot_output_set_network_urls(
+ const char *ctrl_url, const char *data_url,
struct lttng_snapshot_output *output);
+
/* Set the control URL. Local and remote URL are supported. */
-int lttng_snapshot_output_set_ctrl_url(const char *url,
+LTTNG_EXPORT extern int lttng_snapshot_output_set_ctrl_url(const char *url,
struct lttng_snapshot_output *output);
/* Set the data URL. Local and remote URL are supported. */
-int lttng_snapshot_output_set_data_url(const char *url,
+LTTNG_EXPORT extern int lttng_snapshot_output_set_data_url(const char *url,
struct lttng_snapshot_output *output);
/*
*
* Return 0 on success or else a negative LTTNG_ERR code.
*/
-int lttng_snapshot_add_output(const char *session_name,
+LTTNG_EXPORT extern int lttng_snapshot_add_output(const char *session_name,
struct lttng_snapshot_output *output);
/*
*
* Return 0 on success or else a negative LTTNG_ERR code.
*/
-int lttng_snapshot_del_output(const char *session_name,
+LTTNG_EXPORT extern int lttng_snapshot_del_output(const char *session_name,
struct lttng_snapshot_output *output);
/*
* Return 0 on success or else a negative LTTNG_ERR code and the list pointer
* is untouched.
*/
-int lttng_snapshot_list_output(const char *session_name,
+LTTNG_EXPORT extern int lttng_snapshot_list_output(const char *session_name,
struct lttng_snapshot_output_list **list);
/*
* Return the next object on success or else NULL indicating the end of the
* list.
*/
-struct lttng_snapshot_output *lttng_snapshot_output_list_get_next(
+LTTNG_EXPORT extern struct lttng_snapshot_output *lttng_snapshot_output_list_get_next(
struct lttng_snapshot_output_list *list);
/*
* Free an output list object.
*/
-void lttng_snapshot_output_list_destroy(struct lttng_snapshot_output_list *list);
+LTTNG_EXPORT extern void lttng_snapshot_output_list_destroy(struct lttng_snapshot_output_list *list);
/*
* Snapshot a trace for the given session.
*
* Return 0 on success or else a negative LTTNG_ERR value.
*/
-int lttng_snapshot_record(const char *session_name,
+LTTNG_EXPORT extern int lttng_snapshot_record(const char *session_name,
struct lttng_snapshot_output *output, int wait);
#ifdef __cplusplus
projects / lttng-tools.git / blobdiff