2 * Copyright (c) 2014, Peter Thorson. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of the WebSocket++ Project nor the
12 * names of its contributors may be used to endorse or promote products
13 * derived from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef WEBSOCKETPP_COMMON_NETWORK_HPP
29 #define WEBSOCKETPP_COMMON_NETWORK_HPP
31 // For ntohs and htons
35 //#include <arpa/inet.h>
36 #include <netinet/in.h>
39 #include <websocketpp/common/stdint.hpp>
41 namespace websocketpp {
45 inline bool is_little_endian() {
47 char *ptr = reinterpret_cast<char *>(&val);
55 /// Convert 64 bit value to network byte order
57 * This method is prefixed to avoid conflicts with operating system level
58 * macros for this functionality.
60 * TODO: figure out if it would be beneficial to use operating system level
63 * @param src The integer in host byte order
64 * @return src converted to network byte order
66 inline uint64_t _htonll(uint64_t src) {
67 static int typ = TYP_INIT;
73 if (typ == TYP_INIT) {
75 typ = (x.c[7] == 0x01ULL) ? TYP_BIGE : TYP_SMLE;
80 c = x.c[0]; x.c[0] = x.c[7]; x.c[7] = c;
81 c = x.c[1]; x.c[1] = x.c[6]; x.c[6] = c;
82 c = x.c[2]; x.c[2] = x.c[5]; x.c[5] = c;
83 c = x.c[3]; x.c[3] = x.c[4]; x.c[4] = c;
87 /// Convert 64 bit value to host byte order
89 * This method is prefixed to avoid conflicts with operating system level
90 * macros for this functionality.
92 * TODO: figure out if it would be beneficial to use operating system level
95 * @param src The integer in network byte order
96 * @return src converted to host byte order
98 inline uint64_t _ntohll(uint64_t src) {
106 #endif // WEBSOCKETPP_COMMON_NETWORK_HPP