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o3de/Code/Framework/AzNetworking/AzNetworking/Utilities/CidrAddress.h

57 lines
2.0 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/std/string/string.h>
namespace AzNetworking
{
class IpAddress;
//! @class CidrAddress
//! @brief Helper class that implements Classless Inter-Domain Routing (CIDR) IP address filtering.
class CidrAddress
{
public:
CidrAddress() = default;
//! Construct from an input string.
//! @param cidrAddress the input string to parse as a CIDR address (dotted quad/mask, ie 127.0.0.1/32)
CidrAddress(const AZStd::string& cidrAddress);
//! Parse the address from the provided string.
//! @param cidrAddress the input string to parse as a CIDR address (dotted quad/mask, ie 127.0.0.1/32)
//! @return boolean true if the input was successfully parsed, false on error
bool ParseAddress(const AZStd::string& cidrAddress);
//! Check to see if a AzNetworking uint IP matches this CIDR address instance.
//! @param address input IpAddress to validate
//! @return boolean true if the address matches, false if it fails
bool IsMatch(const IpAddress& address) const;
//! Check to see if a AzNetworking uint IP matches this CIDR address instance.
//! @param address input IPv4 address as a uint32_t ** must be in host byte order **
//! @return boolean true if the address matches, false if it fails
bool IsMatch(uint32_t address) const;
//! Returns the IP of this CIDR address in host byte order.
//! @return the IP of this CIDR address in host byte order
uint32_t GetIp() const;
//! Returns the mask of this CIDR address.
//! @return the mask of this CIDR address
uint32_t GetMask() const;
protected:
uint32_t m_ip = 0;
uint32_t m_mask = 0xFFFFFFFF; //< Default is /32, which is an explicit address
};
}