1/*-
2 * Copyright (c) 2013 The FreeBSD Foundation
3 * Copyright (c) 2015 Mariusz Zaborski <oshogbo@FreeBSD.org>
4 * All rights reserved.
5 *
6 * This software was developed by Pawel Jakub Dawidek under sponsorship from
7 * the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: stable/11/lib/libcasper/libcasper/libcasper_impl.h 370004 2021-06-16 20:30:46Z git2svn $
31 */
32
33#ifndef	_LIBCASPER_IMPL_H_
34#define	_LIBCASPER_IMPL_H_
35
36#include <stdbool.h>
37
38#include "libcasper.h"
39#include "libcasper_service.h"
40
41struct service;
42struct service_connection;
43
44bool fd_is_valid(int fd);
45void fd_fix_environment(int *fdp);
46
47/* Private service functions. */
48struct service	*service_alloc(const char *name,
49		    service_limit_func_t *limitfunc,
50		    service_command_func_t *commandfunc, uint64_t flags);
51void		 service_free(struct service *service);
52void		 service_message(struct service *service,
53		    struct service_connection *sconn);
54void		 service_start(struct service *service, int sock, int procfd);
55const char	*service_name(struct service *service);
56
57/* Private service connection functions. */
58struct service_connection	*service_connection_add(struct service *service,
59				    int sock, const nvlist_t *limits);
60void				 service_connection_remove(
61				    struct service *service,
62				    struct service_connection *sconn);
63int				 service_connection_clone(
64				    struct service *service,
65				    struct service_connection *sconn);
66struct service_connection	*service_connection_first(
67				    struct service *service);
68struct service_connection	*service_connection_next(
69				    struct service_connection *sconn);
70cap_channel_t			*service_connection_get_chan(
71				    const struct service_connection *sconn);
72int				 service_connection_get_sock(
73				    const struct service_connection *sconn);
74const nvlist_t			*service_connection_get_limits(
75				    const struct service_connection *sconn);
76void				 service_connection_set_limits(
77				    struct service_connection *sconn,
78				    nvlist_t *limits);
79
80/* Private libcasper functions. */
81void	casper_main_loop(int fd);
82
83#endif	/* !_LIBCASPER_IMPL_H_ */
84