/usr/include/websocketpp/common/network.hpp is in libwebsocketpp-dev 0.7.0-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /*
* Copyright (c) 2014, Peter Thorson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the WebSocket++ Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef WEBSOCKETPP_COMMON_NETWORK_HPP
#define WEBSOCKETPP_COMMON_NETWORK_HPP
// For ntohs and htons
#if defined(_WIN32)
#include <winsock2.h>
#else
//#include <arpa/inet.h>
#include <netinet/in.h>
#endif
#include <websocketpp/common/stdint.hpp>
namespace websocketpp {
namespace lib {
namespace net {
inline bool is_little_endian() {
short int val = 0x1;
char *ptr = reinterpret_cast<char *>(&val);
return (ptr[0] == 1);
}
#define TYP_INIT 0
#define TYP_SMLE 1
#define TYP_BIGE 2
/// Convert 64 bit value to network byte order
/**
* This method is prefixed to avoid conflicts with operating system level
* macros for this functionality.
*
* TODO: figure out if it would be beneficial to use operating system level
* macros for this.
*
* @param src The integer in host byte order
* @return src converted to network byte order
*/
inline uint64_t _htonll(uint64_t src) {
static int typ = TYP_INIT;
unsigned char c;
union {
uint64_t ull;
unsigned char c[8];
} x;
if (typ == TYP_INIT) {
x.ull = 0x01;
typ = (x.c[7] == 0x01ULL) ? TYP_BIGE : TYP_SMLE;
}
if (typ == TYP_BIGE)
return src;
x.ull = src;
c = x.c[0]; x.c[0] = x.c[7]; x.c[7] = c;
c = x.c[1]; x.c[1] = x.c[6]; x.c[6] = c;
c = x.c[2]; x.c[2] = x.c[5]; x.c[5] = c;
c = x.c[3]; x.c[3] = x.c[4]; x.c[4] = c;
return x.ull;
}
/// Convert 64 bit value to host byte order
/**
* This method is prefixed to avoid conflicts with operating system level
* macros for this functionality.
*
* TODO: figure out if it would be beneficial to use operating system level
* macros for this.
*
* @param src The integer in network byte order
* @return src converted to host byte order
*/
inline uint64_t _ntohll(uint64_t src) {
return _htonll(src);
}
} // net
} // lib
} // websocketpp
#endif // WEBSOCKETPP_COMMON_NETWORK_HPP
|