Files
rippled/Subtrees/websocket/src/network_utilities.cpp

113 lines
3.6 KiB
C++

/*
* Copyright (c) 2011, 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.
*
*/
#include "network_utilities.hpp"
uint64_t zsutil::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;
}
uint64_t zsutil::ntohll(uint64_t src) {
return htonll(src);
}
std::string zsutil::lookup_ws_close_status_string(uint16_t code) {
switch (code) {
case 1000:
return "Normal closure";
case 1001:
return "Going away";
case 1002:
return "Protocol error";
case 1003:
return "Unacceptable data";
case 1004:
return "Reserved";
case 1005:
return "No status received";
case 1006:
return "Abnormal closure";
case 1007:
return "Invalid message data";
case 1008:
return "Policy Violation";
case 1009:
return "Message too large";
case 1010:
return "Missing required extensions";
case 1011:
return "Internal server error";
default:
return "Unknown";
}
}
std::string zsutil::to_hex(const std::string& input) {
std::string output;
std::string hex = "0123456789ABCDEF";
for (size_t i = 0; i < input.size(); i++) {
output += hex[(input[i] & 0xF0) >> 4];
output += hex[input[i] & 0x0F];
output += " ";
}
return output;
}
std::string zsutil::to_hex(const char* input,size_t length) {
std::string output;
std::string hex = "0123456789ABCDEF";
for (size_t i = 0; i < length; i++) {
output += hex[(input[i] & 0xF0) >> 4];
output += hex[input[i] & 0x0F];
output += " ";
}
return output;
}