[lttng-tools.git] / src / common / sessiond-comm / sessiond-comm.c

/*
 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
 *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * 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.
 */

#define _GNU_SOURCE
#include <assert.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>

#include <common/defaults.h>
#include <common/error.h>

#include "sessiond-comm.h"

/* For Unix socket */
#include "unix.h"
/* For Inet socket */
#include "inet.h"
/* For Inet6 socket */
#include "inet6.h"

static struct lttcomm_net_family net_families[] = {
	{ LTTCOMM_INET, lttcomm_create_inet_sock },
	{ LTTCOMM_INET6, lttcomm_create_inet6_sock },
};

/*
 * Human readable error message.
 */
static const char *lttcomm_readable_code[] = {
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_COMMAND_SOCK_READY) ] = "consumerd command socket ready",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SUCCESS_RECV_FD) ] = "consumerd success on receiving fds",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ERROR_RECV_FD) ] = "consumerd error on receiving fds",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ERROR_RECV_CMD) ] = "consumerd error on receiving command",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_POLL_ERROR) ] = "consumerd error in polling thread",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_POLL_NVAL) ] = "consumerd polling on closed fd",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_POLL_HUP) ] = "consumerd all fd hung up",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_EXIT_SUCCESS) ] = "consumerd exiting normally",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_EXIT_FAILURE) ] = "consumerd exiting on error",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_OUTFD_ERROR) ] = "consumerd error opening the tracefile",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_EBADF) ] = "consumerd splice EBADF",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_EINVAL) ] = "consumerd splice EINVAL",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_ENOMEM) ] = "consumerd splice ENOMEM",
	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_ESPIPE) ] = "consumerd splice ESPIPE",

	/* Last element */
	[ LTTCOMM_ERR_INDEX(LTTCOMM_NR) ] = "Unknown error code"
};

/*
 * Return ptr to string representing a human readable error code from the
 * lttcomm_return_code enum.
 *
 * These code MUST be negative in other to treat that as an error value.
 */
__attribute__((visibility("hidden")))
const char *lttcomm_get_readable_code(enum lttcomm_return_code code)
{
	code = -code;

	if (code < LTTCOMM_CONSUMERD_COMMAND_SOCK_READY || code > LTTCOMM_NR) {
		code = LTTCOMM_NR;
	}

	return lttcomm_readable_code[LTTCOMM_ERR_INDEX(code)];
}

/*
 * Create socket from an already allocated lttcomm socket structure and init
 * sockaddr in the lttcomm sock.
 */
__attribute__((visibility("hidden")))
int lttcomm_create_sock(struct lttcomm_sock *sock)
{
	int ret, _sock_type, _sock_proto, domain;

	assert(sock);

	domain = sock->sockaddr.type;
	if (domain != LTTCOMM_INET && domain != LTTCOMM_INET6) {
		ERR("Create socket of unknown domain %d", domain);
		ret = -1;
		goto error;
	}

	switch (sock->proto) {
	case LTTCOMM_SOCK_UDP:
		_sock_type = SOCK_DGRAM;
		_sock_proto = IPPROTO_UDP;
		break;
	case LTTCOMM_SOCK_TCP:
		_sock_type = SOCK_STREAM;
		_sock_proto = IPPROTO_TCP;
		break;
	default:
		ret = -1;
		goto error;
	}

	ret = net_families[domain].create(sock, _sock_type, _sock_proto);
	if (ret < 0) {
		goto error;
	}

error:
	return ret;
}

/*
 * Return allocated lttcomm socket structure.
 */
__attribute__((visibility("hidden")))
struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto)
{
	struct lttcomm_sock *sock;

	sock = zmalloc(sizeof(struct lttcomm_sock));
	if (sock == NULL) {
		PERROR("zmalloc create sock");
		goto end;
	}

	sock->proto = proto;
	sock->fd = -1;

end:
	return sock;
}

/*
 * Return an allocated lttcomm socket structure and copy src content into
 * the newly created socket.
 *
 * This is mostly useful when lttcomm_sock are passed between process where the
 * fd and ops have to be changed within the correct address space.
 */
__attribute__((visibility("hidden")))
struct lttcomm_sock *lttcomm_alloc_copy_sock(struct lttcomm_sock *src)
{
	struct lttcomm_sock *sock;

	/* Safety net */
	assert(src);

	sock = lttcomm_alloc_sock(src->proto);
	if (sock == NULL) {
		goto alloc_error;
	}

	lttcomm_copy_sock(sock, src);

alloc_error:
	return sock;
}

/*
 * Create and copy socket from an allocated lttcomm socket structure.
 *
 * This is mostly useful when lttcomm_sock are passed between process where the
 * fd and ops have to be changed within the correct address space.
 */
__attribute__((visibility("hidden")))
void lttcomm_copy_sock(struct lttcomm_sock *dst, struct lttcomm_sock *src)
{
	/* Safety net */
	assert(dst);
	assert(src);

	dst->proto = src->proto;
	dst->fd = src->fd;
	dst->ops = src->ops;
	/* Copy sockaddr information from original socket */
	memcpy(&dst->sockaddr, &src->sockaddr, sizeof(dst->sockaddr));
}

/*
 * Init IPv4 sockaddr structure.
 */
__attribute__((visibility("hidden")))
int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
		const char *ip, unsigned int port)
{
	int ret;

	assert(sockaddr);
	assert(ip);
	assert(port > 0 && port <= 65535);

	memset(sockaddr, 0, sizeof(struct lttcomm_sockaddr));

	sockaddr->type = LTTCOMM_INET;
	sockaddr->addr.sin.sin_family = AF_INET;
	sockaddr->addr.sin.sin_port = htons(port);
	ret = inet_pton(sockaddr->addr.sin.sin_family, ip,
			&sockaddr->addr.sin.sin_addr);
	if (ret < 1) {
		ret = -1;
		ERR("%s with port %d: unrecognized IPv4 address", ip, port);
		goto error;
	}
	memset(sockaddr->addr.sin.sin_zero, 0, sizeof(sockaddr->addr.sin.sin_zero));

error:
	return ret;
}

/*
 * Init IPv6 sockaddr structure.
 */
__attribute__((visibility("hidden")))
int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
		const char *ip, unsigned int port)
{
	int ret;

	assert(sockaddr);
	assert(ip);
	assert(port > 0 && port <= 65535);

	memset(sockaddr, 0, sizeof(struct lttcomm_sockaddr));

	sockaddr->type = LTTCOMM_INET6;
	sockaddr->addr.sin6.sin6_family = AF_INET6;
	sockaddr->addr.sin6.sin6_port = htons(port);
	ret = inet_pton(sockaddr->addr.sin6.sin6_family, ip,
			&sockaddr->addr.sin6.sin6_addr);
	if (ret < 1) {
		ret = -1;
		goto error;
	}

error:
	return ret;
}

/*
 * Return allocated lttcomm socket structure from lttng URI.
 */
__attribute__((visibility("hidden")))
struct lttcomm_sock *lttcomm_alloc_sock_from_uri(struct lttng_uri *uri)
{
	int ret;
	int _sock_proto;
	struct lttcomm_sock *sock = NULL;

	/* Safety net */
	assert(uri);

	/* Check URI protocol */
	if (uri->proto == LTTNG_TCP) {
		_sock_proto = LTTCOMM_SOCK_TCP;
	} else {
		ERR("Relayd invalid URI proto: %d", uri->proto);
		goto alloc_error;
	}

	sock = lttcomm_alloc_sock(_sock_proto);
	if (sock == NULL) {
		goto alloc_error;
	}

	/* Check destination type */
	if (uri->dtype == LTTNG_DST_IPV4) {
		ret = lttcomm_init_inet_sockaddr(&sock->sockaddr, uri->dst.ipv4,
				uri->port);
		if (ret < 0) {
			goto error;
		}
	} else if (uri->dtype == LTTNG_DST_IPV6) {
		ret = lttcomm_init_inet6_sockaddr(&sock->sockaddr, uri->dst.ipv6,
				uri->port);
		if (ret < 0) {
			goto error;
		}
	} else {
		/* Command URI is invalid */
		ERR("Relayd invalid URI dst type: %d", uri->dtype);
		goto error;
	}

	return sock;

error:
	lttcomm_destroy_sock(sock);
alloc_error:
	return NULL;
}

/*
 * Destroy and free lttcomm socket.
 */
__attribute__((visibility("hidden")))
void lttcomm_destroy_sock(struct lttcomm_sock *sock)
{
	if (sock != NULL) {
		free(sock);
	}
}
Commit	Line	Data
826d496d	1	/*
917216f6 DG	2	* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
917216f6 DG	3	* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
fac6795d	4	*
d14d33bf AM	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License, version 2 only,
	7	* as published by the Free Software Foundation.
fac6795d	8	*
917216f6 DG	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
fac6795d	13	*
d14d33bf AM	14	* You should have received a copy of the GNU General Public License along
	15	* with this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
fac6795d DG	17	*/
	18
	19	#define _GNU_SOURCE
1e307fab	20	#include <assert.h>
fac6795d DG	21	#include <limits.h>
	22	#include <stdio.h>
	23	#include <stdlib.h>
	24	#include <string.h>
fac6795d DG	25	#include <sys/stat.h>
fac6795d DG	26	#include <sys/types.h>
fac6795d	27	#include <unistd.h>
3bd1e081	28	#include <errno.h>
fac6795d	29
990570ed	30	#include <common/defaults.h>
4c462e79	31	#include <common/error.h>
990570ed	32
10a8a223	33	#include "sessiond-comm.h"
fac6795d	34
6364a07a DG	35	/* For Unix socket */
	36	#include "unix.h"
	37	/* For Inet socket */
	38	#include "inet.h"
	39	/* For Inet6 socket */
	40	#include "inet6.h"
	41
32dd26fb	42	static struct lttcomm_net_family net_families[] = {
6364a07a DG	43	{ LTTCOMM_INET, lttcomm_create_inet_sock },
	44	{ LTTCOMM_INET6, lttcomm_create_inet6_sock },
	45	};
	46
fac6795d DG	47	/*
	48	* Human readable error message.
	49	*/
	50	static const char *lttcomm_readable_code[] = {
f73fabfd DG	51	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_COMMAND_SOCK_READY) ] = "consumerd command socket ready",
	52	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SUCCESS_RECV_FD) ] = "consumerd success on receiving fds",
	53	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ERROR_RECV_FD) ] = "consumerd error on receiving fds",
	54	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ERROR_RECV_CMD) ] = "consumerd error on receiving command",
	55	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_POLL_ERROR) ] = "consumerd error in polling thread",
	56	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_POLL_NVAL) ] = "consumerd polling on closed fd",
	57	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_POLL_HUP) ] = "consumerd all fd hung up",
	58	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_EXIT_SUCCESS) ] = "consumerd exiting normally",
	59	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_EXIT_FAILURE) ] = "consumerd exiting on error",
	60	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_OUTFD_ERROR) ] = "consumerd error opening the tracefile",
	61	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_EBADF) ] = "consumerd splice EBADF",
	62	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_EINVAL) ] = "consumerd splice EINVAL",
	63	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_ENOMEM) ] = "consumerd splice ENOMEM",
	64	[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_ESPIPE) ] = "consumerd splice ESPIPE",
80e327fa	65
f73fabfd DG	66	/* Last element */
f73fabfd DG	67	[ LTTCOMM_ERR_INDEX(LTTCOMM_NR) ] = "Unknown error code"
fac6795d DG	68	};
	69
	70	/*
917216f6 DG	71	* Return ptr to string representing a human readable error code from the
917216f6 DG	72	* lttcomm_return_code enum.
fac6795d	73	*
917216f6	74	* These code MUST be negative in other to treat that as an error value.
fac6795d	75	*/
32dd26fb	76	__attribute__((visibility("hidden")))
fac6795d DG	77	const char *lttcomm_get_readable_code(enum lttcomm_return_code code)
fac6795d DG	78	{
f73fabfd	79	code = -code;
fac6795d	80
c617c0c6	81	if (code < LTTCOMM_CONSUMERD_COMMAND_SOCK_READY \|\| code > LTTCOMM_NR) {
f73fabfd	82	code = LTTCOMM_NR;
fac6795d DG	83	}
fac6795d DG	84
f73fabfd	85	return lttcomm_readable_code[LTTCOMM_ERR_INDEX(code)];
fac6795d	86	}
6364a07a DG	87
6364a07a DG	88	/*
de5e9086 DG	89	* Create socket from an already allocated lttcomm socket structure and init
de5e9086 DG	90	* sockaddr in the lttcomm sock.
6364a07a	91	*/
32dd26fb	92	__attribute__((visibility("hidden")))
de5e9086	93	int lttcomm_create_sock(struct lttcomm_sock *sock)
6364a07a	94	{
de5e9086	95	int ret, _sock_type, _sock_proto, domain;
6364a07a	96
de5e9086 DG	97	assert(sock);
	98
	99	domain = sock->sockaddr.type;
	100	if (domain != LTTCOMM_INET && domain != LTTCOMM_INET6) {
	101	ERR("Create socket of unknown domain %d", domain);
	102	ret = -1;
	103	goto error;
6364a07a DG	104	}
6364a07a DG	105
de5e9086 DG	106	switch (sock->proto) {
	107	case LTTCOMM_SOCK_UDP:
	108	_sock_type = SOCK_DGRAM;
	109	_sock_proto = IPPROTO_UDP;
	110	break;
	111	case LTTCOMM_SOCK_TCP:
	112	_sock_type = SOCK_STREAM;
	113	_sock_proto = IPPROTO_TCP;
	114	break;
	115	default:
	116	ret = -1;
	117	goto error;
	118	}
6364a07a	119
de5e9086 DG	120	ret = net_families[domain].create(sock, _sock_type, _sock_proto);
	121	if (ret < 0) {
	122	goto error;
	123	}
	124
	125	error:
	126	return ret;
6364a07a DG	127	}
	128
	129	/*
de5e9086	130	* Return allocated lttcomm socket structure.
6364a07a	131	*/
32dd26fb	132	__attribute__((visibility("hidden")))
de5e9086	133	struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto)
6364a07a	134	{
de5e9086	135	struct lttcomm_sock *sock;
6364a07a	136
de5e9086 DG	137	sock = zmalloc(sizeof(struct lttcomm_sock));
	138	if (sock == NULL) {
	139	PERROR("zmalloc create sock");
	140	goto end;
6364a07a DG	141	}
	142
	143	sock->proto = proto;
de5e9086	144	sock->fd = -1;
6364a07a	145
de5e9086 DG	146	end:
de5e9086 DG	147	return sock;
6364a07a DG	148	}
	149
	150	/*
de5e9086 DG	151	* Return an allocated lttcomm socket structure and copy src content into
	152	* the newly created socket.
	153	*
	154	* This is mostly useful when lttcomm_sock are passed between process where the
	155	* fd and ops have to be changed within the correct address space.
6364a07a	156	*/
32dd26fb	157	__attribute__((visibility("hidden")))
de5e9086	158	struct lttcomm_sock lttcomm_alloc_copy_sock(struct lttcomm_sock src)
6364a07a	159	{
6364a07a DG	160	struct lttcomm_sock *sock;
6364a07a DG	161
de5e9086 DG	162	/* Safety net */
	163	assert(src);
	164
	165	sock = lttcomm_alloc_sock(src->proto);
6364a07a DG	166	if (sock == NULL) {
	167	goto alloc_error;
	168	}
	169
de5e9086	170	lttcomm_copy_sock(sock, src);
6364a07a	171
de5e9086	172	alloc_error:
6364a07a	173	return sock;
de5e9086	174	}
6364a07a	175
de5e9086 DG	176	/*
	177	* Create and copy socket from an allocated lttcomm socket structure.
	178	*
	179	* This is mostly useful when lttcomm_sock are passed between process where the
	180	* fd and ops have to be changed within the correct address space.
	181	*/
32dd26fb	182	__attribute__((visibility("hidden")))
de5e9086 DG	183	void lttcomm_copy_sock(struct lttcomm_sock dst, struct lttcomm_sock src)
	184	{
	185	/* Safety net */
	186	assert(dst);
	187	assert(src);
	188
	189	dst->proto = src->proto;
	190	dst->fd = src->fd;
	191	dst->ops = src->ops;
	192	/* Copy sockaddr information from original socket */
	193	memcpy(&dst->sockaddr, &src->sockaddr, sizeof(dst->sockaddr));
6364a07a DG	194	}
	195
	196	/*
	197	* Init IPv4 sockaddr structure.
	198	*/
32dd26fb	199	__attribute__((visibility("hidden")))
6364a07a DG	200	int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
	201	const char *ip, unsigned int port)
	202	{
	203	int ret;
	204
	205	assert(sockaddr);
	206	assert(ip);
	207	assert(port > 0 && port <= 65535);
	208
	209	memset(sockaddr, 0, sizeof(struct lttcomm_sockaddr));
	210
	211	sockaddr->type = LTTCOMM_INET;
	212	sockaddr->addr.sin.sin_family = AF_INET;
	213	sockaddr->addr.sin.sin_port = htons(port);
	214	ret = inet_pton(sockaddr->addr.sin.sin_family, ip,
	215	&sockaddr->addr.sin.sin_addr);
	216	if (ret < 1) {
	217	ret = -1;
de5e9086	218	ERR("%s with port %d: unrecognized IPv4 address", ip, port);
6364a07a DG	219	goto error;
	220	}
	221	memset(sockaddr->addr.sin.sin_zero, 0, sizeof(sockaddr->addr.sin.sin_zero));
	222
	223	error:
	224	return ret;
	225	}
	226
	227	/*
	228	* Init IPv6 sockaddr structure.
	229	*/
32dd26fb	230	__attribute__((visibility("hidden")))
6364a07a DG	231	int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
	232	const char *ip, unsigned int port)
	233	{
	234	int ret;
	235
	236	assert(sockaddr);
	237	assert(ip);
	238	assert(port > 0 && port <= 65535);
	239
	240	memset(sockaddr, 0, sizeof(struct lttcomm_sockaddr));
	241
	242	sockaddr->type = LTTCOMM_INET6;
	243	sockaddr->addr.sin6.sin6_family = AF_INET6;
	244	sockaddr->addr.sin6.sin6_port = htons(port);
	245	ret = inet_pton(sockaddr->addr.sin6.sin6_family, ip,
	246	&sockaddr->addr.sin6.sin6_addr);
	247	if (ret < 1) {
	248	ret = -1;
	249	goto error;
	250	}
	251
	252	error:
	253	return ret;
	254	}
de5e9086 DG	255
	256	/*
	257	* Return allocated lttcomm socket structure from lttng URI.
	258	*/
32dd26fb	259	__attribute__((visibility("hidden")))
de5e9086 DG	260	struct lttcomm_sock lttcomm_alloc_sock_from_uri(struct lttng_uri uri)
	261	{
	262	int ret;
	263	int _sock_proto;
	264	struct lttcomm_sock *sock = NULL;
	265
	266	/* Safety net */
	267	assert(uri);
	268
	269	/* Check URI protocol */
	270	if (uri->proto == LTTNG_TCP) {
	271	_sock_proto = LTTCOMM_SOCK_TCP;
	272	} else {
	273	ERR("Relayd invalid URI proto: %d", uri->proto);
	274	goto alloc_error;
	275	}
	276
	277	sock = lttcomm_alloc_sock(_sock_proto);
	278	if (sock == NULL) {
	279	goto alloc_error;
	280	}
	281
	282	/* Check destination type */
	283	if (uri->dtype == LTTNG_DST_IPV4) {
	284	ret = lttcomm_init_inet_sockaddr(&sock->sockaddr, uri->dst.ipv4,
	285	uri->port);
	286	if (ret < 0) {
	287	goto error;
	288	}
	289	} else if (uri->dtype == LTTNG_DST_IPV6) {
	290	ret = lttcomm_init_inet6_sockaddr(&sock->sockaddr, uri->dst.ipv6,
	291	uri->port);
	292	if (ret < 0) {
	293	goto error;
	294	}
	295	} else {
	296	/* Command URI is invalid */
	297	ERR("Relayd invalid URI dst type: %d", uri->dtype);
	298	goto error;
	299	}
	300
	301	return sock;
	302
	303	error:
	304	lttcomm_destroy_sock(sock);
	305	alloc_error:
	306	return NULL;
	307	}
	308
	309	/*
	310	* Destroy and free lttcomm socket.
	311	*/
32dd26fb	312	__attribute__((visibility("hidden")))
de5e9086 DG	313	void lttcomm_destroy_sock(struct lttcomm_sock *sock)
	314	{
	315	if (sock != NULL) {
	316	free(sock);
	317	}
	318	}