mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
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129 lines
5.0 KiB
C++
129 lines
5.0 KiB
C++
/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
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/*
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* Copyright (c) 1993, 1994, 1995, 1996, 1997
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lib_pcap_socket_h
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#define lib_pcap_socket_h
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/*
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* Some minor differences between sockets on various platforms.
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* We include whatever sockets are needed for Internet-protocol
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* socket access on UN*X and Windows.
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*/
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#ifdef _WIN32
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/* Need windef.h for defines used in winsock2.h under MingW32 */
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#ifdef __MINGW32__
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#include <windef.h>
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#endif
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#include <winsock2.h>
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#include <ws2tcpip.h>
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/*!
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* \brief In Winsock, a socket handle is of type SOCKET; in UN*X, it's
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* a file descriptor, and therefore a signed integer.
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* We define PCAP_SOCKET to be a signed integer on UN*X and a
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* SOCKET on Windows, so that it can be used on both platforms.
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*
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* We used to use SOCKET rather than PCAP_SOCKET, but that collided
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* with other software, such as barnyard2, which had their own
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* definitions of SOCKET, so we changed it to PCAP_SOCKET.
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*
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* On Windows, this shouldn't break any APIs, as any code using
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* the two active-mode APIs that return a socket handle would
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* probably be assigning their return values to a SOCKET, and
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* as, on Windows, we're defining PCAP_SOCKET as SOCKET, there
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* would be no type clash.
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*/
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#ifndef PCAP_SOCKET
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#define PCAP_SOCKET SOCKET
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#endif
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/*
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* Winsock doesn't have this POSIX type; it's used for the
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* tv_usec value of struct timeval.
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*/
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typedef long suseconds_t;
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#else /* _WIN32 */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h> /* for struct addrinfo/getaddrinfo() */
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#include <netinet/in.h> /* for sockaddr_in, in BSD at least */
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#include <arpa/inet.h>
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/*!
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* \brief In Winsock, a socket handle is of type SOCKET; in UN*Xes,
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* it's a file descriptor, and therefore a signed integer.
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* We define PCAP_SOCKET to be a signed integer on UN*X and a
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* SOCKET on Windows, so that it can be used on both platforms.
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*
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* We used to use SOCKET rather than PCAP_SOCKET, but that collided
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* with other software, such as barnyard2, which had their own
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* definitions of SOCKET, so we changed it to PCAP_SOCKET.
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*
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* On UN*Xes, this might break code that uses one of the two
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* active-mode APIs that return a socket handle if those programs
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* were written to assign the return values of those APIs to a
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* SOCKET, as we're no longer defining SOCKET. However, as
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* those APIs are only provided if libpcap is built with remote
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* capture support - which is not the default - and as they're
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* somewhat painful to use, there's probably little if any code
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* that needs to compile for UN*X and that uses them. If there
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* *is* any such code, it could do
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*
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* #ifndef PCAP_SOCKET
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* #ifdef _WIN32
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* #define PCAP_SOCKET SOCKET
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* #else
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* #defube PCAP_SOCKET int
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* #endif
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* #endif
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*
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* and use PCAP_SOCKET.
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*/
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#ifndef PCAP_SOCKET
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#define PCAP_SOCKET int
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#endif
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/*!
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* \brief In Winsock, the error return if socket() fails is INVALID_SOCKET;
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* in UN*X, it's -1.
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* We define INVALID_SOCKET to be -1 on UN*X, so that it can be used on
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* both platforms.
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*/
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#ifndef INVALID_SOCKET
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#define INVALID_SOCKET -1
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#endif
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#endif /* _WIN32 */
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#endif /* lib_pcap_socket_h */
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