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Commit 4d02d001 authored by San Mehat's avatar San Mehat
Browse files

NetworkManagementService: Introduce INetworkManagementEventObserver 



  Introduce a callback event observer which can be registered on the
INetworkManagementService instance to receive events from the service.

Signed-off-by: default avatarSan Mehat <san@google.com>
parent 55434a79

Android.mk

+1 −0
Original line number Diff line number Diff line
@@ -108,6 +108,7 @@ LOCAL_SRC_FILES += \ 
	core/java/android/database/IContentObserver.aidl \

	core/java/android/hardware/ISensorService.aidl \

	core/java/android/net/IConnectivityManager.aidl \

	core/java/android/net/INetworkManagementEventObserver.aidl \

	core/java/android/os/ICheckinService.aidl \

	core/java/android/os/IMessenger.aidl \

	core/java/android/os/IMountService.aidl \

core/java/android/net/INetworkManagementEventObserver.aidl

0 → 100644
+46 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2009 The Android Open Source Project

 *

 * Licensed 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

 *

 *      http://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 android.net;



/**

 * Callback class for receiving events from an INetworkManagementService

 *

 * @hide

 */

interface INetworkManagementEventObserver {

    /**

     * Interface link status has changed.

     *

     * @param iface The interface.

     * @param link True if link is up.

     */

    void interfaceLinkStatusChanged(String iface, boolean link);



    /**

     * An interface has been added to the system

     *

     * @param iface The interface.

     */

    void interfaceAdded(String iface);



    /**

     * An interface has been removed from the system

     *

     * @param iface The interface.

     */

    void interfaceRemoved(String iface);

}

core/java/android/os/INetworkManagementService.aidl

+11 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
package android.os;



import android.net.InterfaceConfiguration;

import android.net.INetworkManagementEventObserver;



/**

 * @hide
@@ -28,6 +29,16 @@ interface INetworkManagementService 
     ** GENERAL

     **/



    /**

     * Register an observer to receive events

     */

    void registerObserver(INetworkManagementEventObserver obs);



    /**

     * Unregister an observer from receiving events.

     */

    void unregisterObserver(INetworkManagementEventObserver obs);



    /**

     * Returns a list of currently known network interfaces

     */

services/java/com/android/server/NetworkManagementService.java

+55 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.content.res.Resources; 
import android.content.pm.PackageManager;

import android.net.Uri;

import android.net.InterfaceConfiguration;

import android.net.INetworkManagementEventObserver;

import android.os.INetworkManagementService;

import android.os.Handler;

import android.text.TextUtils;
@@ -70,6 +71,8 @@ class NetworkManagementService extends INetworkManagementService.Stub { 
     */

    private NativeDaemonConnector mConnector;



    private ArrayList<INetworkManagementEventObserver> mObservers;



    /**

     * Constructs a new NetworkManagementService instance

     *
@@ -78,12 +81,64 @@ class NetworkManagementService extends INetworkManagementService.Stub { 
    private NetworkManagementService(Context context) {

        mContext = context;



        mObservers = new ArrayList<INetworkManagementEventObserver>();



        mConnector = new NativeDaemonConnector(

                new NetdCallbackReceiver(), "netd", 10, "NetdConnector");

        Thread thread = new Thread(mConnector, NativeDaemonConnector.class.getName());

        thread.start();

    }



    public void registerObserver(INetworkManagementEventObserver obs) {

        Log.d(TAG, "Registering observer");

        mObservers.add(obs);

    }



    public void unregisterObserver(INetworkManagementEventObserver obs) {

        Log.d(TAG, "Unregistering observer");

        mObservers.remove(mObservers.indexOf(obs));

    }



    /**

     * Notify our observers of an interface link status change

     */

    private void notifyInterfaceLinkStatusChanged(String iface, boolean link) {

        for (INetworkManagementEventObserver obs : mObservers) {

            try {

                obs.interfaceLinkStatusChanged(iface, link);

            } catch (Exception ex) {

                Log.w(TAG, "Observer notifier failed", ex);

            }

        }

    }



    /**

     * Notify our observers of an interface addition.

     */

    private void notifyInterfaceAdded(String iface) {

        for (INetworkManagementEventObserver obs : mObservers) {

            try {

                obs.interfaceAdded(iface);

            } catch (Exception ex) {

                Log.w(TAG, "Observer notifier failed", ex);

            }

        }

    }



    /**

     * Notify our observers of an interface removal.

     */

    private void notifyInterfaceRemoved(String iface) {

        for (INetworkManagementEventObserver obs : mObservers) {

            try {

                obs.interfaceRemoved(iface);

            } catch (Exception ex) {

                Log.w(TAG, "Observer notifier failed", ex);

            }

        }

    }





    //

    // Netd Callback handling

    //