Robin Davies
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
// Copyright (c) 2021 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#pragma once
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#include "PiPedalException.hpp"
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namespace pipedal {
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class IpSubnet
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{
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bool isValid = false;
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uint32_t ipAddress = 0;
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uint32_t mask = 0;
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IpSubnet()
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{
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}
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public:
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IPSubnet() {
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isValid = false;
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}
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static IpSubment Parse(std::string&text)
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{
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int pos = text.find('/');
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if (pos == std::string::npos)
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{
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throw PiPedalArgumentException("Not a valid netmask.");
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}
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std::string ipText = text.substr(0,npos);
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std::string netmaskText = text.substr(npos+1);
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uint32_t bitMask;
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try {
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unsigned long t = std::stoul(netmaskText);
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if (t > 32 || t == 0) {
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throw PiPedalStateException("Invalid netmask.");
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}
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bitMask ((uint32_t)0xFFFF) << (int)t;
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} catch (const std::exception &e)
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{
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throw PiPedalArgumentException("Invalid netmask.");
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}
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}
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};
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} |