Socket.java — netty Source File

Source Code

/*
 * Copyright 2015 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.unix;

import io.netty.channel.ChannelException;
import io.netty.channel.socket.InternetProtocolFamily;
import io.netty.channel.socket.SocketProtocolFamily;
import io.netty.util.CharsetUtil;
import io.netty.util.NetUtil;

import java.io.IOException;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.PortUnreachableException;
import java.net.SocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.ClosedChannelException;

import static io.netty.channel.unix.Errors.ERRNO_EAGAIN_NEGATIVE;
import static io.netty.channel.unix.Errors.ERRNO_EINPROGRESS_NEGATIVE;
import static io.netty.channel.unix.Errors.ERRNO_EWOULDBLOCK_NEGATIVE;
import static io.netty.channel.unix.Errors.ERROR_ECONNREFUSED_NEGATIVE;
import static io.netty.channel.unix.Errors.handleConnectErrno;
import static io.netty.channel.unix.Errors.ioResult;
import static io.netty.channel.unix.Errors.newIOException;
import static io.netty.channel.unix.NativeInetAddress.address;
import static io.netty.channel.unix.NativeInetAddress.ipv4MappedIpv6Address;
import static io.netty.util.internal.StringUtil.className;

/**
 * Provides a JNI bridge to native socket operations.
 * <strong>Internal usage only!</strong>
 */
public class Socket extends FileDescriptor {

    private static volatile boolean isIpv6Preferred;

    @Deprecated
    public static final int UDS_SUN_PATH_SIZE = 100;

    protected final boolean ipv6;

    public Socket(int fd) {
        super(fd);
        ipv6 = isIPv6(fd);
    }
// ... (693 more lines)