diff options
author | HampusM <hampus@hampusmat.com> | 2022-03-07 13:48:57 +0100 |
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committer | HampusM <hampus@hampusmat.com> | 2022-03-07 13:48:57 +0100 |
commit | 563f69b870a7f71026c50605b531ed40d667b0a2 (patch) | |
tree | f9dd8374cae6affb3b52d79e22823c78187b99ed /cores/xinput/IPAddress.cpp | |
parent | f4a2dc0440d17e4c9e609e01e12fcd786d268cf7 (diff) |
Diffstat (limited to 'cores/xinput/IPAddress.cpp')
-rw-r--r-- | cores/xinput/IPAddress.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/cores/xinput/IPAddress.cpp b/cores/xinput/IPAddress.cpp new file mode 100644 index 0000000..d9fe5be --- /dev/null +++ b/cores/xinput/IPAddress.cpp @@ -0,0 +1,114 @@ +/* + 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 +*/ + +#include <Arduino.h> +#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) +{ + 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; +} + +size_t IPAddress::printTo(Print& p) const +{ + size_t n = 0; + for (int i =0; i < 3; i++) + { + n += p.print(_address.bytes[i], DEC); + n += p.print('.'); + } + n += p.print(_address.bytes[3], DEC); + return n; +} + |