164 lines
5.1 KiB
C
164 lines
5.1 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) Transmission authors and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#ifndef _TR_NET_H_
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#define _TR_NET_H_
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#ifdef WIN32
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#include <inttypes.h>
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#include <ws2tcpip.h>
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#else
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#include <sys/socket.h>
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#include <netinet/in.h>
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#endif
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#ifdef WIN32
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#define EADDRINUSE WSAEADDRINUSE
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#define ECONNREFUSED WSAECONNREFUSED
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#define ECONNRESET WSAECONNRESET
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#define EHOSTUNREACH WSAEHOSTUNREACH
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#define EINPROGRESS WSAEINPROGRESS
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#define ENOTCONN WSAENOTCONN
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#define ENETUNREACH WSAENETUNREACH
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#define sockerrno WSAGetLastError ()
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#else
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#include <errno.h>
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#define sockerrno errno
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#endif
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/****
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*****
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***** tr_address
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*****
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****/
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typedef enum tr_address_type
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{
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TR_AF_INET,
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TR_AF_INET6,
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NUM_TR_AF_INET_TYPES
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}
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tr_address_type;
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typedef struct tr_address
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{
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tr_address_type type;
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union {
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/* The order here is important for tr_in{,6}addr_any initialization,
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* since we can't use C99 designated initializers */
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struct in6_addr addr6;
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struct in_addr addr4;
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} addr;
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} tr_address;
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extern const tr_address tr_inaddr_any;
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extern const tr_address tr_in6addr_any;
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const char* tr_address_to_string (const tr_address * addr);
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const char* tr_address_to_string_with_buf (const tr_address * addr,
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char * buf,
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size_t buflen);
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bool tr_address_from_string (tr_address * setme,
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const char * string);
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bool tr_address_from_sockaddr_storage (tr_address * setme,
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tr_port * port,
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const struct sockaddr_storage * src);
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int tr_address_compare (const tr_address * a,
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const tr_address * b);
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bool tr_address_is_valid_for_peers (const tr_address * addr,
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tr_port port);
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static inline bool
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tr_address_is_valid (const tr_address * a)
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{
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return (a != NULL) && (a->type==TR_AF_INET || a->type==TR_AF_INET6);
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}
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/***********************************************************************
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* Sockets
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**********************************************************************/
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struct tr_session;
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int tr_netOpenPeerSocket (tr_session * session,
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const tr_address * addr,
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tr_port port,
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bool clientIsSeed);
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struct UTPSocket *
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tr_netOpenPeerUTPSocket (tr_session * session,
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const tr_address * addr,
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tr_port port,
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bool clientIsSeed);
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int tr_netBindTCP (const tr_address * addr,
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tr_port port,
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bool suppressMsgs);
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int tr_netAccept (tr_session * session,
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int bound,
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tr_address * setme_addr,
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tr_port * setme_port);
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int tr_netSetTOS (int s,
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int tos);
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int tr_netSetCongestionControl (int s, const char *algorithm);
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void tr_netClose (tr_session * session, int s);
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void tr_netCloseSocket (int fd);
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void tr_netInit (void);
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bool tr_net_hasIPv6 (tr_port);
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/**
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* @brief get a human-representable string representing the network error.
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* @param err an errno on Unix/Linux and an WSAError on win32)
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*/
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char* tr_net_strerror (char * buf, size_t buflen, int err);
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const unsigned char *tr_globalIPv6 (void);
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#if defined (WIN32) && !defined (QT_DLL)
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/* The QT exclusion is because something clashes whith the next include */
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#include <ws2tcpip.h> /* socklen_t */
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#endif
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#endif /* _TR_NET_H_ */
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