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Commit 4b776c64 authored by lucaslin's avatar lucaslin Committed by Cherrypicker Worker
Browse files

Add VPN app into power saver whitelist for a while to start its service 

If the VPN app is not launched, then its background service
cannot receive the VpnManager events.
Add VPN app into power saver whitelist for a while can let its
background service to receive VpnManager events.

Bug: 234104087
Test: Confirm that the VPN app has received VpnManager events.
Change-Id: I9819a78ec0cbbd6879baae645ef42c22756b09d4
(cherry picked from commit 62991fc4)
Merged-In: I9819a78ec0cbbd6879baae645ef42c22756b09d4
parent ca6ef912

core/java/android/net/VpnManager.java

+6 −0
Original line number Diff line number Diff line
@@ -100,6 +100,12 @@ public class VpnManager { 
    /**

     * Action sent in {@link android.content.Intent}s to VpnManager clients when an event occurred.

     *

     * <p>If the provisioning application declares a service handling this intent action, but is not

     * already running, it will be started. Upon starting, the application is granted a short grace

     * period to run in the background even while the device is idle to handle any potential

     * failures. Applications requiring long-running actions triggered by one of these events should

     * declare a foreground service to prevent being killed once the grace period expires.

     *

     * This action will have a category of either {@link #CATEGORY_EVENT_IKE_ERROR},

     * {@link #CATEGORY_EVENT_NETWORK_ERROR}, or {@link #CATEGORY_EVENT_DEACTIVATED_BY_USER},

     * that the app can use to filter events it's interested in reacting to.

services/core/java/com/android/server/connectivity/Vpn.java

+12 −0
Original line number Diff line number Diff line
@@ -189,6 +189,10 @@ public class Vpn { 
    // the device idle allowlist during service launch and VPN bootstrap.

    private static final long VPN_LAUNCH_IDLE_ALLOWLIST_DURATION_MS = 60 * 1000;



    // Length of time (in milliseconds) that an app registered for VpnManager events is placed on

    // the device idle allowlist each time the a VpnManager event is fired.

    private static final long VPN_MANAGER_EVENT_ALLOWLIST_DURATION_MS = 30 * 1000;



    private static final String LOCKDOWN_ALLOWLIST_SETTING_NAME =

            Settings.Secure.ALWAYS_ON_VPN_LOCKDOWN_WHITELIST;

    /**
@@ -717,6 +721,14 @@ public class Vpn { 
            intent.putExtra(VpnManager.EXTRA_ERROR_CLASS, errorClass);

            intent.putExtra(VpnManager.EXTRA_ERROR_CODE, errorCode);

        }



        // Allow VpnManager app to temporarily run background services to handle this error.

        // If an app requires anything beyond this grace period, they MUST either declare

        // themselves as a foreground service, or schedule a job/workitem.

        DeviceIdleInternal idleController = mDeps.getDeviceIdleInternal();

        idleController.addPowerSaveTempWhitelistApp(Process.myUid(), packageName,

                VPN_MANAGER_EVENT_ALLOWLIST_DURATION_MS, mUserId, false, REASON_VPN,

                "VpnManager event");

        try {

            return mUserIdContext.startService(intent) != null;

        } catch (RuntimeException e) {