SammyVimes commented on a change in pull request #102: URL: https://github.com/apache/ignite-3/pull/102#discussion_r628231212
########## File path: modules/network/src/main/java/org/apache/ignite/network/internal/netty/NettyClient.java ########## @@ -0,0 +1,141 @@ +/* + * 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.ignite.network.internal.netty; + +import io.netty.bootstrap.Bootstrap; +import io.netty.channel.ChannelFutureListener; +import io.netty.channel.ChannelInitializer; +import io.netty.channel.ChannelOption; +import io.netty.channel.EventLoopGroup; +import io.netty.channel.socket.SocketChannel; +import io.netty.channel.socket.nio.NioSocketChannel; +import io.netty.handler.stream.ChunkedWriteHandler; +import java.net.InetSocketAddress; +import java.util.concurrent.CompletableFuture; +import java.util.function.BiConsumer; +import org.apache.ignite.network.message.MessageSerializationRegistry; +import org.apache.ignite.network.message.NetworkMessage; + +/** + * Netty client channel wrapper. + */ +public class NettyClient { + /** Serialization registry. */ + private final MessageSerializationRegistry serializationRegistry; + + /** Destination host. */ + private final String host; + + /** Destination port. */ + private final int port; + + /** Future that resolves when client channel is opened. */ + private final CompletableFuture<NettySender> clientFuture = new CompletableFuture<>(); + + /** Client channel. */ + private SocketChannel channel; + + public NettyClient( + String host, + int port, + MessageSerializationRegistry serializationRegistry + ) { + this.host = host; + this.port = port; + this.serializationRegistry = serializationRegistry; + } + + /** + * Start client. + * + * @return Future that resolves when client channel is opened. + */ + public CompletableFuture<NettySender> start(Bootstrap bootstrap) { + bootstrap.connect(host, port).addListener((ChannelFutureListener) connect -> { + this.channel = (SocketChannel) connect.channel(); + + if (connect.isSuccess()) + clientFuture.complete(new NettySender(channel, serializationRegistry)); + else + clientFuture.completeExceptionally(connect.cause()); + }); + + return clientFuture; + } + + /** + * @return Client start future. + */ + public CompletableFuture<NettySender> sender() { + return clientFuture; + } + + /** + * Stop client. + */ + public void stop() { + this.channel.close().awaitUninterruptibly(); + } + + /** + * @return {@code true} if client failed to connect to remote server, {@code false} otherwise. + */ + public boolean failedToConnect() { + return clientFuture.isCompletedExceptionally(); + } + + /** + * @return {@code true} if client lost connection, {@code false} otherwise. + */ + public boolean isDisconnected() { + return channel != null && !channel.isOpen(); + } + + /** + * Creates {@link Bootstrap} for clients, providing channel handlers and options. + * + * @param eventLoopGroup Event loop group for channel handling. + * @param serializationRegistry Serialization registry. + * @param messageListener Message listener. + * @return Bootstrap for clients. + */ + public static Bootstrap createBootstrap( Review comment: Ok then -- 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. For queries about this service, please contact Infrastructure at: [email protected]
