Allow tethering to use IpNeighborMonitor. am: f998552c am: eeab42ea am: acab832b

    name: "tethering-module-utils-srcs",

    srcs: [

        "src/android/net/ip/InterfaceController.java",

        "src/android/net/ip/IpNeighborMonitor.java",

        "src/android/net/netlink/*.java",

        "src/android/net/shared/NetdUtils.java",

        "src/android/net/shared/RouteUtils.java",

        "src/android/net/util/FdEventsReader.java",

        "src/android/net/util/InterfaceParams.java",

        "src/android/net/util/PacketReader.java",

        "src/android/net/util/SharedLog.java"

    ],

    visibility: ["//frameworks/base/packages/Tethering"],

}

import android.net.netlink.NetlinkSocket;

import android.net.netlink.RtNetlinkNeighborMessage;

import android.net.netlink.StructNdMsg;

import android.net.util.NetworkStackUtils;

import android.net.util.PacketReader;

import android.net.util.SharedLog;

import android.net.util.SocketUtils;

import android.os.Handler;

import android.os.SystemClock;

import android.system.ErrnoException;

import android.util.Log;

import java.io.FileDescriptor;

import java.io.IOException;

import java.net.InetAddress;

import java.net.SocketAddress;

import java.net.SocketException;

        }

    }

    // TODO: move NetworkStackUtils.closeSocketQuietly to somewhere accessible to this file.

    private void closeSocketQuietly(FileDescriptor fd) {

        try {

            SocketUtils.closeSocket(fd);

        } catch (IOException ignored) {

        }

    }

    public interface NeighborEventConsumer {

        // Every neighbor event received on the netlink socket is passed in

        // here. Subclasses should filter for events of interest.

            }

        } catch (ErrnoException|SocketException e) {

            logError("Failed to create rtnetlink socket", e);

            NetworkStackUtils.closeSocketQuietly(fd);

            closeSocketQuietly(fd);

            return null;

        }