DefaultServerSocketChannelConfig.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.channel.socket;

import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.DefaultChannelConfig;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.ServerChannelRecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.util.NetUtil;
import io.netty.util.internal.ObjectUtil;

import java.net.ServerSocket;
import java.net.SocketException;
import java.util.Map;

import static io.netty.channel.ChannelOption.SO_BACKLOG;
import static io.netty.channel.ChannelOption.SO_RCVBUF;
import static io.netty.channel.ChannelOption.SO_REUSEADDR;
import static io.netty.util.internal.ObjectUtil.checkPositiveOrZero;

/**
 * The default {@link ServerSocketChannelConfig} implementation.
 */
public class DefaultServerSocketChannelConfig extends DefaultChannelConfig
                                              implements ServerSocketChannelConfig {

    protected final ServerSocket javaSocket;
    private volatile int backlog = NetUtil.SOMAXCONN;

    /**
     * Creates a new instance.
     */
    public DefaultServerSocketChannelConfig(ServerSocketChannel channel, ServerSocket javaSocket) {
        super(channel, new ServerChannelRecvByteBufAllocator());
        this.javaSocket = ObjectUtil.checkNotNull(javaSocket, "javaSocket");
    }

    @Override
    public Map<ChannelOption<?>, Object> getOptions() {
        return getOptions(super.getOptions(), SO_RCVBUF, SO_REUSEADDR, SO_BACKLOG);
    }

    @SuppressWarnings("unchecked")
// ... (150 more lines)