103 lines
3.8 KiB
Java
103 lines
3.8 KiB
Java
/*
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* Copyright 2014 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.epoll;
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import io.netty.channel.Channel;
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import io.netty.channel.EventLoop;
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.socket.ServerSocketChannel;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.SocketAddress;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Map;
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import static io.netty.channel.epoll.LinuxSocket.newSocketStream;
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import static io.netty.channel.unix.NativeInetAddress.address;
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/**
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* {@link ServerSocketChannel} implementation that uses linux EPOLL Edge-Triggered Mode for
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* maximal performance.
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*/
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public final class EpollServerSocketChannel extends AbstractEpollServerChannel implements ServerSocketChannel {
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private final EpollServerSocketChannelConfig config;
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private volatile Collection<InetAddress> tcpMd5SigAddresses = Collections.emptyList();
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public EpollServerSocketChannel(EventLoop eventLoop, EventLoopGroup childEventLoopGroup) {
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super(eventLoop, childEventLoopGroup, newSocketStream(), false);
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config = new EpollServerSocketChannelConfig(this);
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}
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public EpollServerSocketChannel(EventLoop eventLoop, EventLoopGroup childEventLoopGroup, int fd) {
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// Must call this constructor to ensure this object's local address is configured correctly.
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// The local address can only be obtained from a Socket object.
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this(eventLoop, childEventLoopGroup, new LinuxSocket(fd));
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}
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EpollServerSocketChannel(EventLoop eventLoop, EventLoopGroup childEventLoopGroup, LinuxSocket fd) {
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super(eventLoop, childEventLoopGroup, fd);
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config = new EpollServerSocketChannelConfig(this);
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}
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EpollServerSocketChannel(EventLoop eventLoop, EventLoopGroup childEventLoopGroup, LinuxSocket fd, boolean active) {
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super(eventLoop, childEventLoopGroup, fd, active);
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config = new EpollServerSocketChannelConfig(this);
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}
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@Override
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protected void doBind(SocketAddress localAddress) throws Exception {
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super.doBind(localAddress);
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if (Native.IS_SUPPORTING_TCP_FASTOPEN && config.getTcpFastopen() > 0) {
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socket.setTcpFastOpen(config.getTcpFastopen());
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}
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socket.listen(config.getBacklog());
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active = true;
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}
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@Override
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public InetSocketAddress remoteAddress() {
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return (InetSocketAddress) super.remoteAddress();
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}
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@Override
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public InetSocketAddress localAddress() {
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return (InetSocketAddress) super.localAddress();
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}
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@Override
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public EpollServerSocketChannelConfig config() {
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return config;
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}
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@Override
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protected Channel newChildChannel(int fd, byte[] address, int offset, int len) throws Exception {
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return new EpollSocketChannel(this, childEventLoopGroup().next(), new LinuxSocket(fd),
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address(address, offset, len));
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}
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Collection<InetAddress> tcpMd5SigAddresses() {
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return tcpMd5SigAddresses;
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}
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void setTcpMd5Sig(Map<InetAddress, byte[]> keys) throws IOException {
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tcpMd5SigAddresses = TcpMd5Util.newTcpMd5Sigs(this, tcpMd5SigAddresses, keys);
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}
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}
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