netbyte.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _MSDOS
- #ifndef _WIN32
- #ifndef _UNIX
- #ifndef _SYMBIAN
- #ifndef REAL_MEDIA_FILE_SERVER_PORT
- #pragma once
- #endif
- #endif
- #endif
- #endif
- #endif
-
- #ifndef NETBYTE_H
- #define NETBYTE_H 1
- #include "hxtypes.h"
- #if defined (_UNIX)
- #include <unistd.h>
- #include <netinet/in.h>
- #endif
- #ifndef INADDR_NONE
- #define INADDR_NONE -1
- #endif
- struct IHXBuffer;
- typedef UINT16 NetWord, HostWord;
- typedef UINT32 NetDWord, HostDWord;
- #ifdef __cplusplus
- #ifndef NET_ENDIAN
- extern "C" {
- extern NetWord WToNet(HostWord wHost);
- extern HostWord WToHost(NetWord wNet);
- extern NetDWord DwToNet(HostDWord dwHost);
- extern HostDWord DwToHost(NetDWord dwNet);
- }
- #else
- inline NetWord WToNet(HostWord wHost) {return (wHost);};
- inline HostWord WToHost(NetWord wNet) {return (wNet);};
- inline NetDWord DwToNet(HostDWord dwHost) {return (dwHost);};
- inline HostDWord DwToHost(NetDWord dwNet) {return (dwNet);};
- #endif
- #else
- #ifndef NET_ENDIAN
- extern NetWord WToNet(HostWord wHost);
- extern HostWord WToHost(NetWord wNet);
- extern NetDWord DwToNet(HostDWord dwHost);
- extern HostDWord DwToHost(NetDWord dwNet);
- #else
- #define WToNet(wHost) ((NetWord) (wHost))
- #define WToHost(wNet) ((HostWord) (wNet ))
- #define DwToNet(dwHost) ((NetDWord) (dwHost))
- #define DwToHost(dwNet) ((HostDWord) (dwNet ))
- #endif
- #endif
- #ifdef __cplusplus
- extern "C"
- {
- int TestBigEndian(void);
- }
- #endif // __cplusplus
- /* Converts 2 byte ints from big endian to little endian or vice versa */
- void SwapWordBytes(HostWord *data, int numInts);
- /* Converts 4 byte ints from big endian to little endian or vice versa */
- void SwapDWordBytes(HostDWord *data, int numInts);
- /*
- * Test if a given IP address is string or numeric.
- * Return 1 is NUMERIC, and 0 if STRING
- * e.g.
- * 177.345.3.54 ---> numeric address (all digits and 3 dots '.')
- * foobar.prognet.com ---> string address
- * 2001.space.odessey.com --> string address
- */
- int IsNumericAddr(const char* addr, UINT32 len);
- /*
- * On IRIX the inet_ntoa() method is broken, so this method is a
- * for all platforms.
- * It takes a HOST byte ordered IP address and an empty IHXBuffer
- * into which it stuffs a string of the numeric for of the IP addr
- * aaa.bbb.ccc.ddd
- *
- * SHOULD take a network byte orderd address, but it was incorrectly
- * developed and all over the server we rely on the fact that
- * NetLongToAscii() and and HXInetNtoa() accept addresses in the HOST
- * byte order. and we are too late in the release cycle to fix this
- * problem.
- *
- * XXXAAK -- for now it will only create full IP addresses a.b.c.d
- * and not of the type b.c.d or c.d
- */
- void NetLongToAscii(UINT32 addr, IHXBuffer* addrBuf);
- char* HXInetNtoa(UINT32 addr);
- UINT32 HXinet_addr(const char* cp);
- // mainly for sprintf'ing a NETBYTE order decimal string
- char* NetLongAddrToDecimalStr(ULONG32 ulAddr);
- // actually takes in a NET byte ordered address
- char* NetLongToAsciiStr(UINT32 addr);
- #endif /* NETBYTE_H */