alexpete
62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/std/string/string.h>
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namespace AzNetworking
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{
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class IpAddress;
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//! @class CidrAddress
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//! @brief Helper class that implements Classless Inter-Domain Routing (CIDR) IP address filtering.
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class CidrAddress
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{
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public:
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CidrAddress() = default;
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//! Construct from an input string.
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//! @param cidrAddress the input string to parse as a CIDR address (dotted quad/mask, ie 127.0.0.1/32)
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CidrAddress(const AZStd::string& cidrAddress);
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//! Parse the address from the provided string.
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//! @param cidrAddress the input string to parse as a CIDR address (dotted quad/mask, ie 127.0.0.1/32)
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//! @return boolean true if the input was successfully parsed, false on error
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bool ParseAddress(const AZStd::string& cidrAddress);
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//! Check to see if a AzNetworking uint IP matches this CIDR address instance.
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//! @param address input IpAddress to validate
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//! @return boolean true if the address matches, false if it fails
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bool IsMatch(const IpAddress& address) const;
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//! Check to see if a AzNetworking uint IP matches this CIDR address instance.
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//! @param address input IPv4 address as a uint32_t ** must be in host byte order **
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//! @return boolean true if the address matches, false if it fails
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bool IsMatch(uint32_t address) const;
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//! Returns the IP of this CIDR address in host byte order.
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//! @return the IP of this CIDR address in host byte order
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uint32_t GetIp() const;
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//! Returns the mask of this CIDR address.
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//! @return the mask of this CIDR address
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uint32_t GetMask() const;
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protected:
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uint32_t m_ip = 0;
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uint32_t m_mask = 0xFFFFFFFF; //< Default is /32, which is an explicit address
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};
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}
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