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