netty5/resolver-dns/src/main/java/io/netty/resolver/dns/TcpDnsQueryContext.java

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/*
* Copyright 2019 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.resolver.dns;
import io.netty.channel.AddressedEnvelope;
import io.netty.channel.Channel;
import io.netty.handler.codec.dns.DefaultDnsQuery;
import io.netty.handler.codec.dns.DnsQuery;
import io.netty.handler.codec.dns.DnsQuestion;
import io.netty.handler.codec.dns.DnsRecord;
import io.netty.handler.codec.dns.DnsResponse;
import io.netty.util.concurrent.Promise;
import java.net.InetSocketAddress;
final class TcpDnsQueryContext extends DnsQueryContext {
private final Channel channel;
TcpDnsQueryContext(DnsNameResolver parent, Channel channel, InetSocketAddress nameServerAddr, DnsQuestion question,
DnsRecord[] additionals, Promise<AddressedEnvelope<DnsResponse, InetSocketAddress>> promise) {
super(parent, nameServerAddr, question, additionals, promise);
this.channel = channel;
}
@Override
protected DnsQuery newQuery(int id) {
return new DefaultDnsQuery(id);
}
@Override
protected Channel channel() {
return channel;
}
@Override
protected String protocol() {
return "TCP";
}
}