mirror of
https://github.com/VCMP-SqMod/SqMod.git
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107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
/*
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* Copyright (c) 2014, Peter Thorson. 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 are met:
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* * 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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* * 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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* * Neither the name of the WebSocket++ Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 PETER THORSON BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef WEBSOCKETPP_COMMON_NETWORK_HPP
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#define WEBSOCKETPP_COMMON_NETWORK_HPP
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// For ntohs and htons
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#if defined(_WIN32)
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#include <winsock2.h>
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#else
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//#include <arpa/inet.h>
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#include <netinet/in.h>
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#endif
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#include <websocketpp/common/stdint.hpp>
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namespace websocketpp {
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namespace lib {
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namespace net {
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inline bool is_little_endian() {
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short int val = 0x1;
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char *ptr = reinterpret_cast<char *>(&val);
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return (ptr[0] == 1);
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}
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#define TYP_INIT 0
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#define TYP_SMLE 1
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#define TYP_BIGE 2
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/// Convert 64 bit value to network byte order
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/**
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* This method is prefixed to avoid conflicts with operating system level
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* macros for this functionality.
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*
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* TODO: figure out if it would be beneficial to use operating system level
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* macros for this.
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*
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* @param src The integer in host byte order
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* @return src converted to network byte order
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*/
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inline uint64_t _htonll(uint64_t src) {
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static int typ = TYP_INIT;
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unsigned char c;
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union {
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uint64_t ull;
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unsigned char c[8];
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} x;
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if (typ == TYP_INIT) {
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x.ull = 0x01;
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typ = (x.c[7] == 0x01ULL) ? TYP_BIGE : TYP_SMLE;
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}
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if (typ == TYP_BIGE)
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return src;
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x.ull = src;
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c = x.c[0]; x.c[0] = x.c[7]; x.c[7] = c;
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c = x.c[1]; x.c[1] = x.c[6]; x.c[6] = c;
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c = x.c[2]; x.c[2] = x.c[5]; x.c[5] = c;
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c = x.c[3]; x.c[3] = x.c[4]; x.c[4] = c;
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return x.ull;
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}
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/// Convert 64 bit value to host byte order
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/**
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* This method is prefixed to avoid conflicts with operating system level
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* macros for this functionality.
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*
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* TODO: figure out if it would be beneficial to use operating system level
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* macros for this.
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*
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* @param src The integer in network byte order
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* @return src converted to host byte order
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*/
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inline uint64_t _ntohll(uint64_t src) {
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return _htonll(src);
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}
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} // net
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} // lib
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} // websocketpp
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#endif // WEBSOCKETPP_COMMON_NETWORK_HPP
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