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- /*
- * IPAddress.cpp - Base class that provides IPAddress
- * Copyright (c) 2011 Adrian McEwen. All right reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- *
- * Modified by Marcelo Aquino <marceloaqno@gmail.org> for MySensors use
- */
-
- #include <cstdio>
- #include <cstring>
- #include "IPAddress.h"
-
- IPAddress::IPAddress()
- {
- _address.dword = 0;
- }
-
- IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet,
- uint8_t fourth_octet)
- {
- _address.bytes[0] = first_octet;
- _address.bytes[1] = second_octet;
- _address.bytes[2] = third_octet;
- _address.bytes[3] = fourth_octet;
- }
-
- IPAddress::IPAddress(uint32_t address)
- {
- _address.dword = address;
- }
-
- IPAddress::IPAddress(const uint8_t *address)
- {
- memcpy(_address.bytes, address, sizeof(_address.bytes));
- }
-
- bool IPAddress::fromString(const char *address)
- {
- // TODO: add support for "a", "a.b", "a.b.c" formats
-
- uint16_t acc = 0; // Accumulator
- uint8_t dots = 0;
-
- while (*address) {
- char c = *address++;
- if (c >= '0' && c <= '9') {
- acc = acc * 10 + (c - '0');
- if (acc > 255) {
- // Value out of [0..255] range
- return false;
- }
- } else if (c == '.') {
- if (dots == 3) {
- // Too much dots (there must be 3 dots)
- return false;
- }
- _address.bytes[dots++] = acc;
- acc = 0;
- } else {
- // Invalid char
- return false;
- }
- }
-
- if (dots != 3) {
- // Too few dots (there must be 3 dots)
- return false;
- }
- _address.bytes[3] = acc;
- return true;
- }
-
- IPAddress& IPAddress::operator=(const uint8_t *address)
- {
- memcpy(_address.bytes, address, sizeof(_address.bytes));
- return *this;
- }
-
- IPAddress& IPAddress::operator=(uint32_t address)
- {
- _address.dword = address;
- return *this;
- }
-
- bool IPAddress::operator==(const uint8_t* addr) const
- {
- return memcmp(addr, _address.bytes, sizeof(_address.bytes)) == 0;
- }
-
- std::string IPAddress::toString()
- {
- char szRet[16];
- sprintf(szRet,"%u.%u.%u.%u", _address.bytes[0], _address.bytes[1], _address.bytes[2],
- _address.bytes[3]);
- return std::string(szRet);
- }
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