xref: /freebsd/sbin/hastd/proto_impl.h (revision 0f2bd1e89db1a2f09268edea21e0ead329e092df)
1 /*-
2  * Copyright (c) 2009-2010 The FreeBSD Foundation
3  * All rights reserved.
4  *
5  * This software was developed by Pawel Jakub Dawidek under sponsorship from
6  * the FreeBSD Foundation.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef	_PROTO_IMPL_H_
33 #define	_PROTO_IMPL_H_
34 
35 #include <sys/queue.h>
36 
37 #include <stdbool.h>	/* bool */
38 #include <stdlib.h>	/* size_t */
39 
40 #define	__constructor	__attribute__((constructor))
41 
42 typedef int hp_client_t(const char *, void **);
43 typedef int hp_connect_t(void *);
44 typedef int hp_server_t(const char *, void **);
45 typedef int hp_accept_t(void *, void **);
46 typedef int hp_send_t(void *, const unsigned char *, size_t);
47 typedef int hp_recv_t(void *, unsigned char *, size_t);
48 typedef int hp_descriptor_t(const void *);
49 typedef bool hp_address_match_t(const void *, const char *);
50 typedef void hp_local_address_t(const void *, char *, size_t);
51 typedef void hp_remote_address_t(const void *, char *, size_t);
52 typedef void hp_close_t(void *);
53 
54 struct hast_proto {
55 	const char	*hp_name;
56 	hp_client_t	*hp_client;
57 	hp_connect_t	*hp_connect;
58 	hp_server_t	*hp_server;
59 	hp_accept_t	*hp_accept;
60 	hp_send_t	*hp_send;
61 	hp_recv_t	*hp_recv;
62 	hp_descriptor_t	*hp_descriptor;
63 	hp_address_match_t *hp_address_match;
64 	hp_local_address_t *hp_local_address;
65 	hp_remote_address_t *hp_remote_address;
66 	hp_close_t	*hp_close;
67 	TAILQ_ENTRY(hast_proto) hp_next;
68 };
69 
70 void proto_register(struct hast_proto *proto, bool isdefault);
71 
72 int proto_common_send(int fd, const unsigned char *data, size_t size);
73 int proto_common_recv(int fd, unsigned char *data, size_t size);
74 
75 #endif	/* !_PROTO_IMPL_H_ */
76