91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
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/*
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IPv6Address.cpp - Base class that provides IPv6Address
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Copyright (c) 2011 Adrian McEwen. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <Arduino.h>
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#include <IPv6Address.h>
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#include <Print.h>
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IPv6Address::IPv6Address()
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{
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memset(_address.bytes, 0, sizeof(_address.bytes));
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}
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IPv6Address::IPv6Address(const uint8_t *address)
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{
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memcpy(_address.bytes, address, sizeof(_address.bytes));
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}
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IPv6Address::IPv6Address(const uint32_t *address)
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{
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memcpy(_address.bytes, (const uint8_t *)address, sizeof(_address.bytes));
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}
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IPv6Address& IPv6Address::operator=(const uint8_t *address)
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{
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memcpy(_address.bytes, address, sizeof(_address.bytes));
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return *this;
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}
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bool IPv6Address::operator==(const uint8_t* addr) const
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{
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return memcmp(addr, _address.bytes, sizeof(_address.bytes)) == 0;
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}
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size_t IPv6Address::printTo(Print& p) const
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{
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size_t n = 0;
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for(int i = 0; i < 16; i+=2) {
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if(i){
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n += p.print(':');
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}
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n += p.printf("%02x", _address.bytes[i]);
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n += p.printf("%02x", _address.bytes[i+1]);
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}
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return n;
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}
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String IPv6Address::toString() const
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{
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char szRet[40];
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sprintf(szRet,"%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x",
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_address.bytes[0], _address.bytes[1], _address.bytes[2], _address.bytes[3],
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_address.bytes[4], _address.bytes[5], _address.bytes[6], _address.bytes[7],
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_address.bytes[8], _address.bytes[9], _address.bytes[10], _address.bytes[11],
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_address.bytes[12], _address.bytes[13], _address.bytes[14], _address.bytes[15]);
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return String(szRet);
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}
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bool IPv6Address::fromString(const char *address)
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{
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//format 0011:2233:4455:6677:8899:aabb:ccdd:eeff
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if(strlen(address) != 39){
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return false;
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}
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char * pos = (char *)address;
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size_t i = 0;
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for(i = 0; i < 16; i+=2) {
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if(!sscanf(pos, "%2hhx", &_address.bytes[i]) || !sscanf(pos+2, "%2hhx", &_address.bytes[i+1])){
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return false;
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}
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pos += 5;
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}
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return true;
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}
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