44 lines
1.3 KiB
Java
44 lines
1.3 KiB
Java
/*
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* Copyright 2016 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.dns;
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import io.netty.util.internal.UnstableApi;
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import java.net.InetAddress;
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/**
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* An ECS record as defined in <a href="https://tools.ietf.org/html/rfc7871#section-6">Client Subnet in DNS Queries</a>.
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*/
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@UnstableApi
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public interface DnsOptEcsRecord extends DnsOptPseudoRecord {
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/**
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* Returns the leftmost number of significant bits of ADDRESS to be used for the lookup.
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*/
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int sourcePrefixLength();
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/**
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* Returns the leftmost number of significant bits of ADDRESS that the response covers.
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* In queries, it MUST be 0.
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*/
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int scopePrefixLength();
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/**
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* Returns the bytes of the {@link InetAddress} to use.
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*/
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byte[] address();
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}
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