Moved client handlers into their own package
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/*
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* Copyright 2015 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 dorkbox.network.dns;
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import java.util.List;
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import dorkbox.network.dns.exceptions.WireParseException;
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import dorkbox.network.dns.records.Header;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandler;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.socket.DatagramPacket;
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import io.netty.handler.codec.MessageToMessageDecoder;
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import io.netty.util.internal.UnstableApi;
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/**
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* Decodes a {@link DatagramPacket} into a {@link DnsResponse}.
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*/
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@UnstableApi
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@ChannelHandler.Sharable
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public class DatagramDnsResponseDecoder extends MessageToMessageDecoder<DatagramPacket> {
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/**
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* Creates a new DNS Response decoder
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*/
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public DatagramDnsResponseDecoder() {
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}
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@Override
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protected void decode(ChannelHandlerContext ctx, DatagramPacket packet, List<Object> out) throws Exception {
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final ByteBuf buf = packet.content();
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// Check that the response is long enough.
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if (buf.readableBytes() < Header.LENGTH) {
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throw new WireParseException("invalid DNS header - " + "too short");
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}
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DnsInput dnsInput = new DnsInput(buf);
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DnsResponse dnsMessage = new DnsResponse(packet.sender(), packet.recipient(), dnsInput);
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out.add(dnsMessage);
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}
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}
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@ -1,23 +1,25 @@
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/*
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/*
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* Copyright 2015 The Netty Project
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* Copyright 2018 dorkbox, llc.
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*
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*
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* The Netty Project licenses this file to you under the Apache License,
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* Licensed under the Apache License, Version 2.0 (the "License");
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* version 2.0 (the "License"); you may not use this file except in compliance
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* you may not use this file except in compliance with the License.
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* with the License. You may obtain a copy of the License at:
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* You may obtain a copy of the License at
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*
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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*
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* Unless required by applicable law or agreed to in writing, software
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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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* distributed under the License is distributed on an "AS IS" BASIS,
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* License for the specific language governing permissions and limitations
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* See the License for the specific language governing permissions and
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* under the License.
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* limitations under the License.
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*/
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*/
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package dorkbox.network.dns;
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package dorkbox.network.dns.clientHandlers;
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import java.net.InetSocketAddress;
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import java.net.InetSocketAddress;
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import java.util.List;
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import java.util.List;
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import dorkbox.network.dns.DnsOutput;
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import dorkbox.network.dns.DnsQuestion;
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import dorkbox.network.dns.records.DnsMessage;
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import dorkbox.network.dns.records.DnsMessage;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.AddressedEnvelope;
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import io.netty.channel.AddressedEnvelope;
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@ -0,0 +1,60 @@
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/*
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* Copyright 2018 dorkbox, llc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.network.dns.clientHandlers;
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import java.util.List;
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import dorkbox.network.dns.DnsInput;
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import dorkbox.network.dns.DnsResponse;
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import dorkbox.network.dns.exceptions.WireParseException;
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import dorkbox.network.dns.records.Header;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandler;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.socket.DatagramPacket;
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import io.netty.handler.codec.MessageToMessageDecoder;
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import io.netty.util.internal.UnstableApi;
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/**
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* Decodes a {@link DatagramPacket} into a {@link DnsResponse}.
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*/
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@UnstableApi
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@ChannelHandler.Sharable
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public
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class DatagramDnsResponseDecoder extends MessageToMessageDecoder<DatagramPacket> {
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/**
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* Creates a new DNS Response decoder
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*/
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public
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DatagramDnsResponseDecoder() {
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}
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@Override
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protected
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void decode(ChannelHandlerContext ctx, DatagramPacket packet, List<Object> out) throws Exception {
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final ByteBuf buf = packet.content();
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// Check that the response is long enough.
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if (buf.readableBytes() < Header.LENGTH) {
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throw new WireParseException("invalid DNS header - " + "too short");
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}
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DnsInput dnsInput = new DnsInput(buf);
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DnsResponse dnsMessage = new DnsResponse(dnsInput, packet.sender(), packet.recipient());
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out.add(dnsMessage);
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}
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}
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