[lttng-tools.git] / include / lttng / location-internal.h

/*
 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@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.
 *
 * 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_LOCATION_INTERNAL_H
#define LTTNG_LOCATION_INTERNAL_H

#include <lttng/location.h>
#include <common/dynamic-buffer.h>
#include <common/buffer-view.h>
#include <common/macros.h>
#include <sys/types.h>

struct lttng_trace_archive_location {
	enum lttng_trace_archive_location_type type;
	union {
		struct {
			char *absolute_path;
		} local;
		struct {
			char *host;
			enum lttng_trace_archive_location_relay_protocol_type protocol;
			struct {
				uint16_t control, data;
			} ports;
			char *relative_path;
		} relay;
	} types;
};

struct lttng_trace_archive_location_comm {
	/* A value from enum lttng_trace_archive_location_type */
	int8_t type;
	union {
		struct {
			/* Includes the trailing \0. */
			uint32_t absolute_path_len;
		} LTTNG_PACKED local;
		struct {
			/* Includes the trailing \0. */
			uint32_t hostname_len;
			/*
			 * A value from
			 * enum lttng_trace_archive_location_relay_protocol_type.
			 */
			int8_t protocol;
			struct {
				uint16_t control, data;
			} ports;
			/* Includes the trailing \0. */
			uint32_t relative_path_len;
		} LTTNG_PACKED relay;
	} LTTNG_PACKED types;
	/*
	 * Payload is composed of:
	 * - LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL
	 *   - absolute path, including \0
	 * - LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY
	 *   - hostname, including \0
	 *   - relative path, including \0
	 */
	char payload[];
} LTTNG_PACKED;


LTTNG_HIDDEN
struct lttng_trace_archive_location *lttng_trace_archive_location_local_create(
		const char *path);

LTTNG_HIDDEN
struct lttng_trace_archive_location *lttng_trace_archive_location_relay_create(
		const char *host,
		enum lttng_trace_archive_location_relay_protocol_type protocol,
		uint16_t control_port, uint16_t data_port,
		const char *relative_path);

LTTNG_HIDDEN
ssize_t lttng_trace_archive_location_create_from_buffer(
		const struct lttng_buffer_view *buffer,
		struct lttng_trace_archive_location **location);

LTTNG_HIDDEN
ssize_t lttng_trace_archive_location_serialize(
		const struct lttng_trace_archive_location *location,
		struct lttng_dynamic_buffer *buffer);

LTTNG_HIDDEN
void lttng_trace_archive_location_destroy(
		struct lttng_trace_archive_location *location);

#endif /* LTTNG_LOCATION_INTERNAL_H */
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
	3	*
	4	* This library is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU Lesser General Public License, version 2.1 only,
	6	* as published by the Free Software Foundation.
	7	*
	8	* This library is distributed in the hope that it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
	11	* for more details.
	12	*
	13	* You should have received a copy of the GNU Lesser General Public License
	14	* along with this library; if not, write to the Free Software Foundation,
	15	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	16	*/
	17
	18	#ifndef LTTNG_LOCATION_INTERNAL_H
	19	#define LTTNG_LOCATION_INTERNAL_H
	20
	21	#include <lttng/location.h>
	22	#include <common/dynamic-buffer.h>
	23	#include <common/buffer-view.h>
	24	#include <common/macros.h>
	25	#include <sys/types.h>
	26
	27	struct lttng_trace_archive_location {
	28	enum lttng_trace_archive_location_type type;
	29	union {
	30	struct {
	31	char *absolute_path;
	32	} local;
	33	struct {
	34	char *host;
	35	enum lttng_trace_archive_location_relay_protocol_type protocol;
	36	struct {
	37	uint16_t control, data;
	38	} ports;
	39	char *relative_path;
	40	} relay;
	41	} types;
	42	};
	43
	44	struct lttng_trace_archive_location_comm {
	45	/* A value from enum lttng_trace_archive_location_type */
	46	int8_t type;
	47	union {
	48	struct {
	49	/* Includes the trailing \0. */
	50	uint32_t absolute_path_len;
	51	} LTTNG_PACKED local;
	52	struct {
	53	/* Includes the trailing \0. */
	54	uint32_t hostname_len;
	55	/*
	56	* A value from
	57	* enum lttng_trace_archive_location_relay_protocol_type.
	58	*/
	59	int8_t protocol;
	60	struct {
	61	uint16_t control, data;
	62	} ports;
	63	/* Includes the trailing \0. */
	64	uint32_t relative_path_len;
	65	} LTTNG_PACKED relay;
	66	} LTTNG_PACKED types;
	67	/*
	68	* Payload is composed of:
	69	* - LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL
	70	* - absolute path, including \0
	71	* - LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY
	72	* - hostname, including \0
	73	* - relative path, including \0
	74	*/
	75	char payload[];
	76	} LTTNG_PACKED;
	77
	78
	79	LTTNG_HIDDEN
	80	struct lttng_trace_archive_location *lttng_trace_archive_location_local_create(
	81	const char *path);
	82
	83	LTTNG_HIDDEN
	84	struct lttng_trace_archive_location *lttng_trace_archive_location_relay_create(
	85	const char *host,
	86	enum lttng_trace_archive_location_relay_protocol_type protocol,
	87	uint16_t control_port, uint16_t data_port,
	88	const char *relative_path);
	89
	90	LTTNG_HIDDEN
	91	ssize_t lttng_trace_archive_location_create_from_buffer(
	92	const struct lttng_buffer_view *buffer,
	93	struct lttng_trace_archive_location **location);
	94
	95	LTTNG_HIDDEN
	96	ssize_t lttng_trace_archive_location_serialize(
	97	const struct lttng_trace_archive_location *location,
	98	struct lttng_dynamic_buffer *buffer);
	99
	100	LTTNG_HIDDEN
	101	void lttng_trace_archive_location_destroy(
	102	struct lttng_trace_archive_location *location);
	103
	104	#endif /* LTTNG_LOCATION_INTERNAL_H */