Bootstrap.java — netty Source File

Source Code

/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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 io.netty.bootstrap;

import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPromise;
import io.netty.channel.EventLoop;
import io.netty.channel.EventLoopGroup;
import io.netty.resolver.AddressResolver;
import io.netty.resolver.AddressResolverGroup;
import io.netty.resolver.DefaultAddressResolverGroup;
import io.netty.resolver.NameResolver;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.FutureListener;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.Collection;

/**
 * A {@link Bootstrap} that makes it easy to bootstrap a {@link Channel} to use
 * for clients.
 *
 * <p>The {@link #bind()} methods are useful in combination with connectionless transports such as datagram (UDP).
 * For regular TCP connections, please use the provided {@link #connect()} methods.</p>
 */
public class Bootstrap extends AbstractBootstrap<Bootstrap, Channel> {

    private static final InternalLogger logger = InternalLoggerFactory.getInstance(Bootstrap.class);

    private final BootstrapConfig config = new BootstrapConfig(this);

    private ExternalAddressResolver externalResolver;
    private volatile boolean disableResolver;
    private volatile SocketAddress remoteAddress;

    public Bootstrap() { }

    private Bootstrap(Bootstrap bootstrap) {
        super(bootstrap);
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