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Commit ffb9f286 authored by Ling Ma's avatar Ling Ma
Browse files

Add auto_data_switch_availability_stability_time_threshold to control auto data switch 

Bug: 244064524
Test: reviewed bugreport to check the flag is loaded on device
Change-Id: Id513a509b181ee3e991f2ebc7ddbb5d65375fce7
parent 2e9e9ddf

src/java/com/android/internal/telephony/data/PhoneSwitcher.java

+40 −0
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ import android.os.PersistableBundle; 
import android.os.Registrant;

import android.os.RegistrantList;

import android.os.RemoteException;

import android.provider.DeviceConfig;

import android.telephony.CarrierConfigManager;

import android.telephony.PhoneCapability;

import android.telephony.PhoneStateListener;
@@ -65,6 +66,7 @@ import android.telephony.ims.ImsReasonInfo; 
import android.telephony.ims.ImsRegistrationAttributes;

import android.telephony.ims.RegistrationManager;

import android.telephony.ims.stub.ImsRegistrationImplBase;

import android.text.TextUtils;

import android.util.ArrayMap;

import android.util.LocalLog;
@@ -109,6 +111,9 @@ import java.util.concurrent.CompletableFuture; 
 */

public class PhoneSwitcher extends Handler {

    private static final String LOG_TAG = "PhoneSwitcher";

    /** DeviceConfig key of the time threshold in ms for defining a network status to be stable. **/

    private static final String KEY_AUTO_DATA_SWITCH_AVAILABILITY_STABILITY_TIME_THRESHOLD =

            "auto_data_switch_availability_stability_time_threshold";

    protected static final boolean VDBG = false;



    private static final int DEFAULT_NETWORK_CHANGE_TIMEOUT_MS = 5000;
@@ -294,6 +299,7 @@ public class PhoneSwitcher extends Handler { 
    private static final int EVENT_PROCESS_SIM_STATE_CHANGE       = 119;

    @VisibleForTesting

    public static final int EVENT_IMS_RADIO_TECH_CHANGED          = 120;

    public static final int EVENT_DEVICE_CONFIG_CHANGED           = 121;



    // List of events triggers re-evaluations

    private static final String EVALUATION_REASON_RADIO_ON = "EVENT_RADIO_ON";
@@ -320,6 +326,13 @@ public class PhoneSwitcher extends Handler { 


    private List<Set<CommandException.Error>> mCurrentDdsSwitchFailure;



    /**

     * Time threshold in ms to define a internet connection status to be stable(e.g. out of service,

     * in service, wifi is the default active network.etc), while -1 indicates auto switch

     * feature disabled.

     */

    private long mAutoDataSwitchAvailabilityStabilityTimeThreshold = -1;



    /** Data settings manager callback. Key is the phone id. */

    private final @NonNull Map<Integer, DataSettingsManagerCallback> mDataSettingsManagerCallbacks =

            new ArrayMap<>();
@@ -569,6 +582,17 @@ public class PhoneSwitcher extends Handler { 
        // we want to see all requests

        networkFactory.registerIgnoringScore();



        // Register for device config update

        DeviceConfig.addOnPropertiesChangedListener(

                DeviceConfig.NAMESPACE_TELEPHONY, this::post,

                properties -> {

                    if (TextUtils.equals(DeviceConfig.NAMESPACE_TELEPHONY,

                            properties.getNamespace())) {

                        sendEmptyMessage(EVENT_DEVICE_CONFIG_CHANGED);

                    }

                });

        updateDeviceConfig();



        updateHalCommandToUse();



        log("PhoneSwitcher started");
@@ -840,7 +864,21 @@ public class PhoneSwitcher extends Handler { 
                }

                break;

            }

            case EVENT_DEVICE_CONFIG_CHANGED: {

                updateDeviceConfig();

                break;

            }

        }

    }



    /** Update local properties from {@link DeviceConfig} */

    private void updateDeviceConfig() {

        DeviceConfig.Properties properties = //read all telephony properties

                DeviceConfig.getProperties(DeviceConfig.NAMESPACE_TELEPHONY);



        mAutoDataSwitchAvailabilityStabilityTimeThreshold = properties.getInt(

                KEY_AUTO_DATA_SWITCH_AVAILABILITY_STABILITY_TIME_THRESHOLD, -1);



    }



    private synchronized void onMultiSimConfigChanged(int activeModemCount) {
@@ -1701,6 +1739,8 @@ public class PhoneSwitcher extends Handler { 
        pw.println("mActiveModemCount=" + mActiveModemCount);

        pw.println("mPhoneIdInVoiceCall=" + mPhoneIdInVoiceCall);

        pw.println("mCurrentDdsSwitchFailure=" + mCurrentDdsSwitchFailure);

        pw.println("mAutoDataSwitchAvailabilityStabilityTimeThreshold="

                + mAutoDataSwitchAvailabilityStabilityTimeThreshold);

        pw.println("Local logs:");

        pw.increaseIndent();

        mLocalLog.dump(fd, pw, args);