776e38af88
Motivation: The resolver API and implementations should be considered stable by now so we should not mark these with @UnstableApi Modifications: Remove @UnstableApi annotation from API and implementation of resolver Result: Make it explicit that the API is considered stable
62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
/*
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* Copyright 2018 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.resolver.dns;
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import io.netty.channel.EventLoop;
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import java.net.InetSocketAddress;
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/**
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* Cache which stores the nameservers that should be used to resolve a specific hostname.
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*/
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public interface AuthoritativeDnsServerCache {
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/**
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* Returns the cached nameservers that should be used to resolve the given hostname. The returned
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* {@link DnsServerAddressStream} may contain unresolved {@link InetSocketAddress}es that will be resolved
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* when needed while resolving other domain names.
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*
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* @param hostname the hostname
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* @return the cached entries or an {@code null} if none.
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*/
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DnsServerAddressStream get(String hostname);
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/**
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* Caches a nameserver that should be used to resolve the given hostname.
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*
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* @param hostname the hostname
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* @param address the nameserver address (which may be unresolved).
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* @param originalTtl the TTL as returned by the DNS server
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* @param loop the {@link EventLoop} used to register the TTL timeout
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*/
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void cache(String hostname, InetSocketAddress address, long originalTtl, EventLoop loop);
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/**
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* Clears all cached nameservers.
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*
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* @see #clear(String)
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*/
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void clear();
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/**
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* Clears the cached nameservers for the specified hostname.
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*
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* @return {@code true} if and only if there was an entry for the specified host name in the cache and
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* it has been removed by this method
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*/
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boolean clear(String hostname);
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}
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