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Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 include/proto/stream_sock.h
3 This file contains client-side definitions.
4
Willy Tarreaufa7e1022008-10-19 07:30:41 +02005 Copyright (C) 2000-2008 Willy Tarreau - w@1wt.eu
Willy Tarreaubaaee002006-06-26 02:48:02 +02006
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation, version 2.1
10 exclusively.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20*/
21
22#ifndef _PROTO_STREAM_SOCK_H
23#define _PROTO_STREAM_SOCK_H
24
25#include <stdlib.h>
26#include <sys/socket.h>
27#include <sys/types.h>
28
Willy Tarreau2dd0d472006-06-29 17:53:05 +020029#include <common/config.h>
Willy Tarreaufa7e1022008-10-19 07:30:41 +020030#include <types/stream_interface.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020031
32
Willy Tarreauf8306d52006-07-29 19:01:31 +020033/* main event functions used to move data between sockets and buffers */
Willy Tarreaud7971282006-07-29 18:36:34 +020034int stream_sock_read(int fd);
Willy Tarreauf8306d52006-07-29 19:01:31 +020035int stream_sock_write(int fd);
Willy Tarreau3a16b2c2008-08-28 08:54:27 +020036int stream_sock_data_finish(int fd);
Willy Tarreau0a5d5dd2008-11-23 19:31:35 +010037void stream_sock_shutr(struct stream_interface *si);
38void stream_sock_shutw(struct stream_interface *si);
Willy Tarreaubaaee002006-06-26 02:48:02 +020039
40
41/* This either returns the sockname or the original destination address. Code
42 * inspired from Patrick Schaaf's example of nf_getsockname() implementation.
43 */
44static inline int get_original_dst(int fd, struct sockaddr_in *sa, socklen_t *salen) {
45#if defined(TPROXY) && defined(SO_ORIGINAL_DST)
46 return getsockopt(fd, SOL_IP, SO_ORIGINAL_DST, (void *)sa, salen);
47#else
48#if defined(TPROXY) && defined(USE_GETSOCKNAME)
49 return getsockname(fd, (struct sockaddr *)sa, salen);
50#else
51 return -1;
52#endif
53#endif
54}
55
56
57#endif /* _PROTO_STREAM_SOCK_H */
58
59/*
60 * Local variables:
61 * c-indent-level: 8
62 * c-basic-offset: 8
63 * End:
64 */