54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
/*
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* Copyright 2020 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.channel.uring.example;
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import io.netty.channel.ChannelHandler.Sharable;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelInboundHandlerAdapter;
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@Sharable
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public class EchoServerHandler extends ChannelInboundHandlerAdapter {
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@Override
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public void channelRead(ChannelHandlerContext ctx, Object msg) {
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ctx.write(msg);
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}
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@Override
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public void channelReadComplete(ChannelHandlerContext ctx) {
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ctx.flush();
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
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// Close the connection when an exception is raised.
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ctx.close();
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}
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@Override
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public void channelWritabilityChanged(ChannelHandlerContext ctx) throws Exception {
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// Ensure we are not writing to fast by stop reading if we can not flush out data fast enough.
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if (ctx.channel().isWritable()) {
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ctx.channel().config().setAutoRead(true);
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} else {
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ctx.flush();
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if (!ctx.channel().isWritable()) {
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ctx.channel().config().setAutoRead(false);
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}
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}
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}
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}
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