source: trunk/libtransmission/net.h @ 7575

Last change on this file since 7575 was 7575, checked in by charles, 13 years ago
  • add autoconf test AC_C_INLINE to do the Right Thing for "inline", "inline", and "inline".
  • make tr_isAddress(), tr_isDirection(), and a bunch of the tr_torrent() macro functions into true inline functions
  • Property svn:keywords set to Date Rev Author Id
File size: 4.9 KB
Line 
1/******************************************************************************
2 * $Id: net.h 7575 2009-01-02 05:11:50Z charles $
3 *
4 * Copyright (c) 2005-2008 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#ifndef __TRANSMISSION__
26#error only libtransmission should #include this header.
27#endif
28
29#ifndef _TR_NET_H_
30#define _TR_NET_H_
31
32#ifdef WIN32
33 #include <inttypes.h>
34 #include <winsock2.h>
35 typedef int socklen_t;
36#else
37 #include <sys/types.h>
38 #include <sys/socket.h>
39 #include <netinet/in.h>
40 #include <arpa/inet.h>
41#endif
42
43#ifdef WIN32
44 #define ECONNREFUSED WSAECONNREFUSED
45 #define ECONNRESET   WSAECONNRESET
46 #define EHOSTUNREACH WSAEHOSTUNREACH
47 #define EINPROGRESS  WSAEINPROGRESS
48 #define ENOTCONN     WSAENOTCONN
49 #define EWOULDBLOCK  WSAEWOULDBLOCK
50 #define sockerrno WSAGetLastError( )
51#else
52 #include <errno.h>
53 #define sockerrno errno
54#endif
55
56struct tr_session;
57
58typedef enum tr_address_type
59{
60    TR_AF_INET,
61    TR_AF_INET6
62} tr_address_type;
63
64typedef struct tr_address
65{
66    tr_address_type type;
67    union {
68        /* The order here is important for tr_in{,6}addr_any initialization,
69         * since we can't use C99 designated initializers */
70        struct in6_addr addr6;
71        struct in_addr  addr4;
72    } addr;
73} tr_address;
74
75extern const tr_address tr_inaddr_any;
76extern const tr_address tr_in6addr_any;
77
78const char *tr_ntop( const tr_address * src,
79                     char * dst,
80                     int size );
81const char *tr_ntop_non_ts( const tr_address * src );
82tr_address *tr_pton( const char * src,
83                     tr_address * dst );
84int tr_compareAddresses( const tr_address * a,
85                         const tr_address * b);
86void tr_normalizeV4Mapped( tr_address * const addr );
87
88void tr_suspectAddress( const tr_address * a, const char * source );
89
90static inline tr_bool tr_isAddress( const tr_address * a ) { return ( a != NULL ) && ( a->type==TR_AF_INET || a->type==TR_AF_INET6 ); }
91
92typedef struct tr_net_af_support
93{
94    tr_bool has_inet6;
95    tr_bool needs_inet4;
96} tr_net_af_support;
97
98tr_net_af_support tr_net_getAFSupport( tr_port );
99
100/***********************************************************************
101 * Socket list housekeeping
102 **********************************************************************/
103typedef struct tr_socketList tr_socketList;
104tr_socketList *tr_socketListAppend( tr_socketList * const head,
105                                    const tr_address * const addr );
106tr_socketList *tr_socketListNew( const tr_address * const addr );
107void tr_socketListFree( tr_socketList * const head );
108void tr_socketListRemove( tr_socketList * const head,
109                          tr_socketList * const el);
110void tr_socketListTruncate( tr_socketList * const head,
111                            tr_socketList * const start );
112int tr_socketListGetSocket( const tr_socketList * const el );
113const tr_address *tr_socketListGetAddress( const tr_socketList * const el );
114void tr_socketListForEach( tr_socketList * const head,
115                           void ( * cb ) ( int * const,
116                                           tr_address * const,
117                                           void * const ),
118                           void * const userData);
119
120/***********************************************************************
121 * Sockets
122 **********************************************************************/
123int  tr_netOpenTCP( tr_session       * session,
124                    const tr_address * addr,
125                    tr_port            port );
126
127int  tr_netBindTCP( const tr_address * addr,
128                    tr_port            port,
129                    tr_bool            suppressMsgs );
130
131int  tr_netAccept( tr_session * session,
132                   int          bound,
133                   tr_address * setme_addr,
134                   tr_port    * setme_port );
135
136int  tr_netSetTOS( int s,
137                   int tos );
138
139void tr_netClose( int s );
140
141void tr_netInit( void );
142
143#endif /* _TR_NET_H_ */
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