57 lines
1.9 KiB
Java
57 lines
1.9 KiB
Java
/*
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* Copyright 2010 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.other.discovery.server;
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import java.net.InetAddress;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.SimpleChannelInboundHandler;
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import io.netty.channel.socket.DatagramPacket;
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import io.netty.util.AttributeKey;
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public
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class ClientDiscoverHostHandler extends SimpleChannelInboundHandler<DatagramPacket> {
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// This uses CHANNEL LOCAL DATA to save the data.
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public static final AttributeKey<BroadcastResponse> STATE = AttributeKey.valueOf(ClientDiscoverHostHandler.class, "Discover.state");
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ClientDiscoverHostHandler() {
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}
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@Override
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protected
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void channelRead0(final ChannelHandlerContext context, final DatagramPacket message) throws Exception {
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ByteBuf byteBuf = message.content();
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InetAddress remoteAddress = message.sender()
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.getAddress();
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if (BroadcastServer.isDiscoveryResponse(byteBuf, remoteAddress, context.channel())) {
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// the state/ports/etc are set inside the isDiscoveryResponse() method...
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context.channel()
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.close();
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}
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}
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@Override
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public
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void exceptionCaught(ChannelHandlerContext context, Throwable cause) throws Exception {
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context.channel()
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.close();
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}
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}
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