prFor commented on code in PR #3074: URL: https://github.com/apache/incubator-shenyu/pull/3074#discussion_r851243780
########## shenyu-proxy/proxy-remote/src/main/java/org/apache/shenyu/proxy/remote/netty/NettyChannel.java: ########## @@ -0,0 +1,150 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF 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 org.apache.shenyu.proxy.remote.netty; + +import io.netty.channel.ChannelFutureListener; +import org.apache.shenyu.proxy.remote.Channel; +import org.apache.shenyu.proxy.remote.ChannelFuture; + +import java.net.SocketAddress; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +/** + * NettyChannel . + */ +public class NettyChannel implements Channel { + + private static final ConcurrentMap<io.netty.channel.Channel, NettyChannel> CHANNEL_CACHE = new ConcurrentHashMap<>(); + + private final io.netty.channel.Channel channel; + + /** + * Instantiates a new Netty channel. + * + * @param channel the channel + */ + public NettyChannel(final io.netty.channel.Channel channel) { + this.channel = channel; + } + + /** + * send. + * Send data to network channel. + * + * @param message the message + * @return the channel future + */ + @Override + public ChannelFuture send(final Object message) { + io.netty.channel.ChannelFuture channelFuture = channel.writeAndFlush(message); + return new NettyChannelFuture(channelFuture); + } + + /** + * Determine if it is connected. + * + * @return boolean boolean + */ + @Override + public boolean isConnected() { + return channel.isActive(); + } + + /** + * remote address. + * + * @return socket address + */ + @Override + public SocketAddress remoteAddress() { + return channel.remoteAddress(); + } + + /** + * Local address socket address. + * + * @return the socket address + */ + @Override + public SocketAddress localAddress() { + return channel.localAddress(); + } + + /** + * Is opened boolean. + * + * @return the boolean + */ + @Override + public boolean isOpened() { + return channel.isOpen(); + } + + /** + * Is close boolean. + * + * @return the boolean + */ + @Override + public boolean isClose() { + return !this.isOpened(); + } + + /** + * Close. + */ + @Override + public void close() { + channel.close().addListener((ChannelFutureListener) channelFuture -> { + removeChannel(channel); + }); + } + + /** + * Get a channel, create a Netty Channel if it doesn't exist. + * + * @param channel the channel nettyChannel. + * @return the or add channel + */ + public static NettyChannel getOrAddChannel(final io.netty.channel.Channel channel) { + NettyChannel nettyChannel = CHANNEL_CACHE.get(channel); + + if (nettyChannel == null) { + NettyChannel ret = new NettyChannel(channel); + if (channel.isActive()) { Review Comment: The first time you create a channel, it might be empty. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
