text: /*
   * 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
  