LinuxSocket.java — netty Source File

Source Code

/*
 * Copyright 2016 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.epoll;

import io.netty.channel.ChannelException;
import io.netty.channel.DefaultFileRegion;
import io.netty.channel.socket.InternetProtocolFamily;
import io.netty.channel.socket.SocketProtocolFamily;
import io.netty.channel.unix.Errors;
import io.netty.channel.unix.NativeInetAddress;
import io.netty.channel.unix.PeerCredentials;
import io.netty.channel.unix.Socket;
import io.netty.util.internal.SocketUtils;
import io.netty.util.internal.UnstableApi;

import java.io.IOException;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Enumeration;

import static io.netty.channel.unix.Errors.ioResult;
import static io.netty.channel.unix.Errors.newIOException;

/**
 * A socket which provides access Linux native methods.
 */
@UnstableApi
public final class LinuxSocket extends Socket {
    private static final long MAX_UINT32_T = 0xFFFFFFFFL;

    LinuxSocket(int fd) {
        super(fd);
    }

    SocketProtocolFamily family() {
        return ipv6 ? SocketProtocolFamily.INET6 : SocketProtocolFamily.INET;
    }

    int sendmmsg(NativeDatagramPacketArray.NativeDatagramPacket[] msgs,
                               int offset, int len) throws IOException {
        return Native.sendmmsg(intValue(), ipv6, msgs, offset, len);
    }

    int recvmmsg(NativeDatagramPacketArray.NativeDatagramPacket[] msgs,
                 int offset, int len) throws IOException {
// ... (449 more lines)