script-astra/Android/Sdk/sources/android-35/com/android/internal/telephony/PhoneConfigurationManager.java
localadmin 4380f00a78 init
2025-01-20 18:15:20 +03:00

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Java

/*
* Copyright (C) 2018 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 com.android.internal.telephony;
import static android.telephony.TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED;
import static android.telephony.TelephonyManager.EXTRA_ACTIVE_SIM_SUPPORTED_COUNT;
import android.annotation.NonNull;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncResult;
import android.os.Build;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.os.RegistrantList;
import android.os.SystemProperties;
import android.provider.DeviceConfig;
import android.sysprop.TelephonyProperties;
import android.telephony.PhoneCapability;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.telephony.TelephonyRegistryManager;
import android.text.TextUtils;
import android.util.Log;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.telephony.flags.FeatureFlags;
import com.android.internal.telephony.subscription.SubscriptionManagerService;
import com.android.telephony.Rlog;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.function.Consumer;
import java.util.stream.Collectors;
/**
* This class manages phone's configuration which defines the potential capability (static) of the
* phone and its current activated capability (current).
* It gets and monitors static and current phone capability from the modem; send broadcast
* if they change, and sends commands to modem to enable or disable phones.
*/
public class PhoneConfigurationManager {
public static final String DSDA = "dsda";
public static final String DSDS = "dsds";
public static final String TSTS = "tsts";
public static final String SSSS = "";
/** DeviceConfig key for whether Virtual DSDA is enabled. */
private static final String KEY_ENABLE_VIRTUAL_DSDA = "enable_virtual_dsda";
private static final String LOG_TAG = "PhoneCfgMgr";
private static final int EVENT_SWITCH_DSDS_CONFIG_DONE = 100;
private static final int EVENT_GET_MODEM_STATUS = 101;
private static final int EVENT_GET_MODEM_STATUS_DONE = 102;
private static final int EVENT_GET_PHONE_CAPABILITY_DONE = 103;
private static final int EVENT_DEVICE_CONFIG_CHANGED = 104;
private static final int EVENT_GET_SIMULTANEOUS_CALLING_SUPPORT_DONE = 105;
private static final int EVENT_SIMULTANEOUS_CALLING_SUPPORT_CHANGED = 106;
/**
* Listener interface for events related to the {@link PhoneConfigurationManager} which should
* be reported to the {@link SimultaneousCallingTracker}.
*/
public interface Listener {
public void onPhoneCapabilityChanged();
public void onDeviceConfigChanged();
}
/**
* Base listener implementation.
*/
public abstract static class ListenerBase implements Listener {
@Override
public void onPhoneCapabilityChanged() {}
@Override
public void onDeviceConfigChanged() {}
}
private static PhoneConfigurationManager sInstance = null;
private final Context mContext;
// Static capability retrieved from the modem - may be null in the case where no info has been
// retrieved yet.
private PhoneCapability mStaticCapability = null;
private final Set<Integer> mSlotsSupportingSimultaneousCellularCalls = new HashSet<>(3);
private final Set<Integer> mSubIdsSupportingSimultaneousCellularCalls = new HashSet<>(3);
private final HashSet<Consumer<Set<Integer>>> mSimultaneousCellularCallingListeners =
new HashSet<>(1);
private final RadioConfig mRadioConfig;
private final Handler mHandler;
// mPhones is obtained from PhoneFactory and can have phones corresponding to inactive modems as
// well. That is, the array size can be 2 even if num of active modems is 1.
private Phone[] mPhones;
private final Map<Integer, Boolean> mPhoneStatusMap;
private MockableInterface mMi = new MockableInterface();
private TelephonyManager mTelephonyManager;
/** Feature flags */
@NonNull
private final FeatureFlags mFeatureFlags;
private final DefaultPhoneNotifier mNotifier;
public Set<Listener> mListeners = new CopyOnWriteArraySet<>();
/**
* True if 'Virtual DSDA' i.e., in-call IMS connectivity on both subs with only single logical
* modem, is enabled.
*/
private boolean mVirtualDsdaEnabled;
private static final RegistrantList sMultiSimConfigChangeRegistrants = new RegistrantList();
private static final String ALLOW_MOCK_MODEM_PROPERTY = "persist.radio.allow_mock_modem";
private static final String BOOT_ALLOW_MOCK_MODEM_PROPERTY = "ro.boot.radio.allow_mock_modem";
private static final boolean DEBUG = !"user".equals(Build.TYPE);
/**
* Init method to instantiate the object
* Should only be called once.
*/
public static PhoneConfigurationManager init(Context context,
@NonNull FeatureFlags featureFlags) {
synchronized (PhoneConfigurationManager.class) {
if (sInstance == null) {
sInstance = new PhoneConfigurationManager(context, featureFlags);
} else {
Log.wtf(LOG_TAG, "init() called multiple times! sInstance = " + sInstance);
}
return sInstance;
}
}
/**
* Constructor.
* @param context context needed to send broadcast.
*/
private PhoneConfigurationManager(Context context, @NonNull FeatureFlags featureFlags) {
mContext = context;
mFeatureFlags = featureFlags;
// TODO: send commands to modem once interface is ready.
mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
mRadioConfig = RadioConfig.getInstance();
mHandler = new ConfigManagerHandler();
mPhoneStatusMap = new HashMap<>();
mVirtualDsdaEnabled = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_TELEPHONY, KEY_ENABLE_VIRTUAL_DSDA, false);
mNotifier = new DefaultPhoneNotifier(mContext, mFeatureFlags);
DeviceConfig.addOnPropertiesChangedListener(
DeviceConfig.NAMESPACE_TELEPHONY, Runnable::run,
properties -> {
if (TextUtils.equals(DeviceConfig.NAMESPACE_TELEPHONY,
properties.getNamespace())) {
mHandler.sendEmptyMessage(EVENT_DEVICE_CONFIG_CHANGED);
}
});
notifyCapabilityChanged();
mPhones = PhoneFactory.getPhones();
for (Phone phone : mPhones) {
registerForRadioState(phone);
}
}
/**
* Assign a listener to be notified of state changes.
*
* @param listener A listener.
*/
public void addListener(Listener listener) {
mListeners.add(listener);
}
/**
* Removes a listener.
*
* @param listener A listener.
*/
public final void removeListener(Listener listener) {
mListeners.remove(listener);
}
/**
* Updates the mapping between the slot IDs that support simultaneous calling and the
* associated sub IDs as well as notifies listeners.
*/
private void updateSimultaneousSubIdsFromPhoneIdMappingAndNotify() {
if (!mFeatureFlags.simultaneousCallingIndications()) return;
Set<Integer> slotCandidates = mSlotsSupportingSimultaneousCellularCalls.stream()
.map(i -> mPhones[i].getSubId())
.filter(i ->i > SubscriptionManager.INVALID_SUBSCRIPTION_ID)
.collect(Collectors.toSet());
if (mSubIdsSupportingSimultaneousCellularCalls.equals(slotCandidates)) return;
log("updateSimultaneousSubIdsFromPhoneIdMapping update: "
+ mSubIdsSupportingSimultaneousCellularCalls + " -> " + slotCandidates);
mSubIdsSupportingSimultaneousCellularCalls.clear();
mSubIdsSupportingSimultaneousCellularCalls.addAll(slotCandidates);
mNotifier.notifySimultaneousCellularCallingSubscriptionsChanged(
mSubIdsSupportingSimultaneousCellularCalls);
}
private void registerForRadioState(Phone phone) {
phone.mCi.registerForAvailable(mHandler, Phone.EVENT_RADIO_AVAILABLE, phone);
}
private PhoneCapability getDefaultCapability() {
if (getPhoneCount() > 1) {
return PhoneCapability.DEFAULT_DSDS_CAPABILITY;
} else {
return PhoneCapability.DEFAULT_SSSS_CAPABILITY;
}
}
/**
* If virtual DSDA is enabled for this UE, then increase maxActiveVoiceSubscriptions to 2.
*/
private PhoneCapability maybeOverrideMaxActiveVoiceSubscriptions(
final PhoneCapability staticCapability) {
boolean isVDsdaEnabled = staticCapability.getLogicalModemList().size() > 1
&& mVirtualDsdaEnabled;
boolean isBkwdCompatDsdaEnabled = mFeatureFlags.simultaneousCallingIndications()
&& mMi.getMultiSimProperty().orElse(SSSS).equals(DSDA);
if (isVDsdaEnabled || isBkwdCompatDsdaEnabled) {
// Since we already initialized maxActiveVoiceSubscriptions to the count the
// modem is capable of, we are only able to increase that count via this method. We do
// not allow a decrease of maxActiveVoiceSubscriptions:
int updatedMaxActiveVoiceSubscriptions =
Math.max(staticCapability.getMaxActiveVoiceSubscriptions(), 2);
return new PhoneCapability.Builder(staticCapability)
.setMaxActiveVoiceSubscriptions(updatedMaxActiveVoiceSubscriptions)
.build();
} else {
return staticCapability;
}
}
private void maybeEnableCellularDSDASupport() {
boolean bkwdsCompatDsda = mFeatureFlags.simultaneousCallingIndications()
&& getPhoneCount() > 1
&& mMi.getMultiSimProperty().orElse(SSSS).equals(DSDA);
boolean halSupportSimulCalling = mRadioConfig != null
&& mRadioConfig.getRadioConfigProxy(null).getVersion().greaterOrEqual(
RIL.RADIO_HAL_VERSION_2_2)
&& getPhoneCount() > 1
&& getCellularStaticPhoneCapability().getMaxActiveVoiceSubscriptions() > 1;
// Register for simultaneous calling support changes in the modem if the HAL supports it
if (halSupportSimulCalling) {
updateSimultaneousCallingSupport();
mRadioConfig.registerForSimultaneousCallingSupportStatusChanged(mHandler,
EVENT_SIMULTANEOUS_CALLING_SUPPORT_CHANGED, null);
} else if (bkwdsCompatDsda) {
// For older devices that only declare that they support DSDA via modem config,
// set DSDA as capable now statically.
log("DSDA modem config detected - setting DSDA enabled");
for (Phone p : mPhones) {
mSlotsSupportingSimultaneousCellularCalls.add(p.getPhoneId());
}
updateSimultaneousSubIdsFromPhoneIdMappingAndNotify();
notifySimultaneousCellularCallingSlotsChanged();
}
// Register for subId updates to notify listeners when simultaneous calling is configured
if (mFeatureFlags.simultaneousCallingIndications()
&& (bkwdsCompatDsda || halSupportSimulCalling)) {
mContext.getSystemService(TelephonyRegistryManager.class)
.addOnSubscriptionsChangedListener(
new SubscriptionManager.OnSubscriptionsChangedListener() {
@Override
public void onSubscriptionsChanged() {
updateSimultaneousSubIdsFromPhoneIdMappingAndNotify();
}
}, mHandler::post);
}
}
/**
* Static method to get instance.
*/
public static PhoneConfigurationManager getInstance() {
if (sInstance == null) {
Log.wtf(LOG_TAG, "getInstance null");
}
return sInstance;
}
/**
* Handler class to handle callbacks
*/
private final class ConfigManagerHandler extends Handler {
@Override
public void handleMessage(Message msg) {
AsyncResult ar;
Phone phone = null;
switch (msg.what) {
case Phone.EVENT_RADIO_AVAILABLE:
case Phone.EVENT_RADIO_ON:
log("Received EVENT_RADIO_AVAILABLE/EVENT_RADIO_ON");
ar = (AsyncResult) msg.obj;
if (ar.userObj != null && ar.userObj instanceof Phone) {
phone = (Phone) ar.userObj;
updatePhoneStatus(phone);
} else {
// phone is null
log("Unable to add phoneStatus to cache. "
+ "No phone object provided for event " + msg.what);
}
updateRadioCapability();
break;
case EVENT_SWITCH_DSDS_CONFIG_DONE:
ar = (AsyncResult) msg.obj;
if (ar != null && ar.exception == null) {
int numOfLiveModems = msg.arg1;
onMultiSimConfigChanged(numOfLiveModems);
} else {
log(msg.what + " failure. Not switching multi-sim config." + ar.exception);
}
break;
case EVENT_GET_MODEM_STATUS_DONE:
ar = (AsyncResult) msg.obj;
if (ar != null && ar.exception == null) {
int phoneId = msg.arg1;
boolean enabled = (boolean) ar.result;
// update the cache each time getModemStatus is requested
addToPhoneStatusCache(phoneId, enabled);
} else {
log(msg.what + " failure. Not updating modem status." + ar.exception);
}
break;
case EVENT_GET_PHONE_CAPABILITY_DONE:
ar = (AsyncResult) msg.obj;
if (ar != null && ar.exception == null) {
setStaticPhoneCapability((PhoneCapability) ar.result);
notifyCapabilityChanged();
for (Listener l : mListeners) {
l.onPhoneCapabilityChanged();
}
maybeEnableCellularDSDASupport();
} else {
log(msg.what + " failure. Not getting phone capability." + ar.exception);
}
break;
case EVENT_DEVICE_CONFIG_CHANGED:
boolean isVirtualDsdaEnabled = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_TELEPHONY, KEY_ENABLE_VIRTUAL_DSDA, false);
if (isVirtualDsdaEnabled != mVirtualDsdaEnabled) {
log("EVENT_DEVICE_CONFIG_CHANGED: from " + mVirtualDsdaEnabled + " to "
+ isVirtualDsdaEnabled);
mVirtualDsdaEnabled = isVirtualDsdaEnabled;
for (Listener l : mListeners) {
l.onDeviceConfigChanged();
}
}
break;
case EVENT_SIMULTANEOUS_CALLING_SUPPORT_CHANGED:
case EVENT_GET_SIMULTANEOUS_CALLING_SUPPORT_DONE:
log("Received EVENT_SLOTS_SUPPORTING_SIMULTANEOUS_CALL_CHANGED/DONE");
if (getPhoneCount() < 2) {
if (!mSlotsSupportingSimultaneousCellularCalls.isEmpty()) {
mSlotsSupportingSimultaneousCellularCalls.clear();
}
break;
}
ar = (AsyncResult) msg.obj;
if (ar != null && ar.exception == null) {
List<Integer> returnedArrayList = (List<Integer>) ar.result;
if (!mSlotsSupportingSimultaneousCellularCalls.isEmpty()) {
mSlotsSupportingSimultaneousCellularCalls.clear();
}
int maxValidPhoneSlot = getPhoneCount() - 1;
for (int i : returnedArrayList) {
if (i < 0 || i > maxValidPhoneSlot) {
loge("Invalid slot supporting DSDA =" + i + ". Disabling DSDA.");
mSlotsSupportingSimultaneousCellularCalls.clear();
break;
}
mSlotsSupportingSimultaneousCellularCalls.add(i);
}
// Ensure the slots supporting cellular DSDA does not exceed the phone count
if (mSlotsSupportingSimultaneousCellularCalls.size() > getPhoneCount()) {
loge("Invalid size of DSDA slots. Disabling cellular DSDA.");
mSlotsSupportingSimultaneousCellularCalls.clear();
}
} else {
log(msg.what + " failure. Not getting logical slots that support "
+ "simultaneous calling." + ar.exception);
mSlotsSupportingSimultaneousCellularCalls.clear();
}
if (mFeatureFlags.simultaneousCallingIndications()) {
updateSimultaneousSubIdsFromPhoneIdMappingAndNotify();
notifySimultaneousCellularCallingSlotsChanged();
}
break;
default:
log("Unknown event: " + msg.what);
}
}
}
/**
* Enable or disable phone
*
* @param phone which phone to operate on
* @param enable true or false
* @param result the message to sent back when it's done.
*/
public void enablePhone(Phone phone, boolean enable, Message result) {
if (phone == null) {
log("enablePhone failed phone is null");
return;
}
phone.mCi.enableModem(enable, result);
}
/**
* Get phone status (enabled/disabled)
* first query cache, if the status is not in cache,
* add it to cache and return a default value true (non-blocking).
*
* @param phone which phone to operate on
*/
public boolean getPhoneStatus(Phone phone) {
if (phone == null) {
log("getPhoneStatus failed phone is null");
return false;
}
int phoneId = phone.getPhoneId();
//use cache if the status has already been updated/queried
try {
return getPhoneStatusFromCache(phoneId);
} catch (NoSuchElementException ex) {
// Return true if modem status cannot be retrieved. For most cases, modem status
// is on. And for older version modems, GET_MODEM_STATUS and disable modem are not
// supported. Modem is always on.
//TODO: this should be fixed in R to support a third status UNKNOWN b/131631629
return true;
} finally {
//in either case send an asynchronous request to retrieve the phone status
updatePhoneStatus(phone);
}
}
/**
* Get phone status (enabled/disabled) directly from modem, and use a result Message object
* Note: the caller of this method is reponsible to call this in a blocking fashion as well
* as read the results and handle the error case.
* (In order to be consistent, in error case, we should return default value of true; refer
* to #getPhoneStatus method)
*
* @param phone which phone to operate on
* @param result message that will be updated with result
*/
public void getPhoneStatusFromModem(Phone phone, Message result) {
if (phone == null) {
log("getPhoneStatus failed phone is null");
}
phone.mCi.getModemStatus(result);
}
/**
* return modem status from cache, NoSuchElementException if phoneId not in cache
* @param phoneId
*/
public boolean getPhoneStatusFromCache(int phoneId) throws NoSuchElementException {
if (mPhoneStatusMap.containsKey(phoneId)) {
return mPhoneStatusMap.get(phoneId);
} else {
throw new NoSuchElementException("phoneId not found: " + phoneId);
}
}
/**
* method to call RIL getModemStatus
*/
private void updatePhoneStatus(Phone phone) {
Message result = Message.obtain(
mHandler, EVENT_GET_MODEM_STATUS_DONE, phone.getPhoneId(), 0 /**dummy arg*/);
phone.mCi.getModemStatus(result);
}
/**
* Add status of the phone to the status HashMap
* @param phoneId
* @param status
*/
public void addToPhoneStatusCache(int phoneId, boolean status) {
mPhoneStatusMap.put(phoneId, status);
}
/**
* Returns how many phone objects the device supports.
*/
public int getPhoneCount() {
return mTelephonyManager.getActiveModemCount();
}
/**
* @return The updated list of logical slots that support simultaneous cellular calling from the
* modem based on current network conditions.
*/
public Set<Integer> getSlotsSupportingSimultaneousCellularCalls() {
return mSlotsSupportingSimultaneousCellularCalls;
}
/**
* Get the current the list of logical slots supporting simultaneous cellular calling from the
* modem based on current network conditions.
*/
@VisibleForTesting
public void updateSimultaneousCallingSupport() {
log("updateSimultaneousCallingSupport: sending the request for "
+ "getting the list of logical slots supporting simultaneous cellular calling");
Message callback = Message.obtain(
mHandler, EVENT_GET_SIMULTANEOUS_CALLING_SUPPORT_DONE);
mRadioConfig.updateSimultaneousCallingSupport(callback);
log("updateSimultaneousCallingSupport: "
+ "mSlotsSupportingSimultaneousCellularCalls = " +
mSlotsSupportingSimultaneousCellularCalls);
}
/**
* @return static overall phone capabilities for all phones, including voice overrides.
*/
public synchronized PhoneCapability getStaticPhoneCapability() {
boolean isDefault = mStaticCapability == null;
PhoneCapability caps = isDefault ? getDefaultCapability() : mStaticCapability;
caps = maybeOverrideMaxActiveVoiceSubscriptions(caps);
log("getStaticPhoneCapability: isDefault=" + isDefault + ", caps=" + caps);
return caps;
}
/**
* @return untouched capabilities returned from the modem
*/
private synchronized PhoneCapability getCellularStaticPhoneCapability() {
log("getCellularStaticPhoneCapability: mStaticCapability " + mStaticCapability);
return mStaticCapability;
}
/**
* Caches the static PhoneCapability returned by the modem
*/
public synchronized void setStaticPhoneCapability(PhoneCapability capability) {
log("setStaticPhoneCapability: mStaticCapability " + capability);
mStaticCapability = capability;
}
/**
* Query the modem to return its static PhoneCapability and cache it
*/
@VisibleForTesting
public void updateRadioCapability() {
log("updateRadioCapability: sending the request for getting PhoneCapability");
Message callback = Message.obtain(mHandler, EVENT_GET_PHONE_CAPABILITY_DONE);
mRadioConfig.getPhoneCapability(callback);
}
/**
* get configuration related status of each phone.
*/
public PhoneCapability getCurrentPhoneCapability() {
return getStaticPhoneCapability();
}
public int getNumberOfModemsWithSimultaneousDataConnections() {
return getStaticPhoneCapability().getMaxActiveDataSubscriptions();
}
public int getNumberOfModemsWithSimultaneousVoiceConnections() {
return getStaticPhoneCapability().getMaxActiveVoiceSubscriptions();
}
public boolean isVirtualDsdaEnabled() {
return mVirtualDsdaEnabled;
}
/**
* Register to listen to changes in the Phone slots that support simultaneous calling.
* @param consumer A consumer that will be used to consume the new slots supporting simultaneous
* cellular calling when it changes.
*/
public void registerForSimultaneousCellularCallingSlotsChanged(
Consumer<Set<Integer>> consumer) {
mSimultaneousCellularCallingListeners.add(consumer);
}
private void notifySimultaneousCellularCallingSlotsChanged() {
log("notifying listeners of changes to simultaneous cellular calling - new state:"
+ mSlotsSupportingSimultaneousCellularCalls);
for (Consumer<Set<Integer>> consumer : mSimultaneousCellularCallingListeners) {
try {
consumer.accept(new HashSet<>(mSlotsSupportingSimultaneousCellularCalls));
} catch (Exception e) {
log("Unexpected Exception encountered when notifying listener: " + e);
}
}
}
private void notifyCapabilityChanged() {
mNotifier.notifyPhoneCapabilityChanged(getStaticPhoneCapability());
}
/**
* Switch configs to enable multi-sim or switch back to single-sim
* @param numOfSims number of active sims we want to switch to
*/
public void switchMultiSimConfig(int numOfSims) {
log("switchMultiSimConfig: with numOfSims = " + numOfSims);
if (getStaticPhoneCapability().getLogicalModemList().size() < numOfSims) {
log("switchMultiSimConfig: Phone is not capable of enabling "
+ numOfSims + " sims, exiting!");
return;
}
if (getPhoneCount() != numOfSims) {
log("switchMultiSimConfig: sending the request for switching");
Message callback = Message.obtain(
mHandler, EVENT_SWITCH_DSDS_CONFIG_DONE, numOfSims, 0 /**dummy arg*/);
mRadioConfig.setNumOfLiveModems(numOfSims, callback);
} else {
log("switchMultiSimConfig: No need to switch. getNumOfActiveSims is already "
+ numOfSims);
}
}
/**
* Get whether reboot is required or not after making changes to modem configurations.
* Return value defaults to true
*/
public boolean isRebootRequiredForModemConfigChange() {
return mMi.isRebootRequiredForModemConfigChange();
}
private void onMultiSimConfigChanged(int numOfActiveModems) {
int oldNumOfActiveModems = getPhoneCount();
setMultiSimProperties(numOfActiveModems);
if (isRebootRequiredForModemConfigChange()) {
log("onMultiSimConfigChanged: Rebooting.");
PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
pm.reboot("Multi-SIM config changed.");
} else {
log("onMultiSimConfigChanged: Rebooting is not required.");
mMi.notifyPhoneFactoryOnMultiSimConfigChanged(mContext, numOfActiveModems);
broadcastMultiSimConfigChange(numOfActiveModems);
boolean subInfoCleared = false;
// if numOfActiveModems is decreasing, deregister old RILs
// eg if we are going from 2 phones to 1 phone, we need to deregister RIL for the
// second phone. This loop does nothing if numOfActiveModems is increasing.
for (int phoneId = numOfActiveModems; phoneId < oldNumOfActiveModems; phoneId++) {
SubscriptionManagerService.getInstance().markSubscriptionsInactive(phoneId);
subInfoCleared = true;
mPhones[phoneId].mCi.onSlotActiveStatusChange(
SubscriptionManager.isValidPhoneId(phoneId));
}
if (subInfoCleared) {
// This triggers update of default subs. This should be done asap after
// setMultiSimProperties() to avoid (minimize) duration for which default sub can be
// invalid and can map to a non-existent phone.
// If forexample someone calls a TelephonyManager API on default sub after
// setMultiSimProperties() and before onSubscriptionsChanged() below -- they can be
// using an invalid sub, which can map to a non-existent phone and can cause an
// exception (see b/163582235).
MultiSimSettingController.getInstance().onPhoneRemoved();
}
// old phone objects are not needed now; mPhones can be updated
mPhones = PhoneFactory.getPhones();
// if numOfActiveModems is increasing, register new RILs
// eg if we are going from 1 phone to 2 phones, we need to register RIL for the second
// phone. This loop does nothing if numOfActiveModems is decreasing.
for (int phoneId = oldNumOfActiveModems; phoneId < numOfActiveModems; phoneId++) {
Phone phone = mPhones[phoneId];
registerForRadioState(phone);
phone.mCi.onSlotActiveStatusChange(SubscriptionManager.isValidPhoneId(phoneId));
}
if (numOfActiveModems > 1) {
// Check if cellular DSDA is supported. If it is, then send a request to the
// modem to refresh the list of SIM slots that currently support DSDA based on
// current network conditions
maybeEnableCellularDSDASupport();
} else {
// The number of active modems is 0 or 1, disable cellular DSDA:
mSlotsSupportingSimultaneousCellularCalls.clear();
if (mFeatureFlags.simultaneousCallingIndications()) {
updateSimultaneousSubIdsFromPhoneIdMappingAndNotify();
notifySimultaneousCellularCallingSlotsChanged();
}
}
// When the user enables DSDS mode, the default VOICE and SMS subId should be switched
// to "No Preference". Doing so will sync the network/sim settings and telephony.
// (see b/198123192)
if (numOfActiveModems > oldNumOfActiveModems && numOfActiveModems == 2) {
Log.i(LOG_TAG, " onMultiSimConfigChanged: DSDS mode enabled; "
+ "setting VOICE & SMS subId to -1 (No Preference)");
//Set the default VOICE subId to -1 ("No Preference")
SubscriptionManagerService.getInstance().setDefaultVoiceSubId(
SubscriptionManager.INVALID_SUBSCRIPTION_ID);
//TODO:: Set the default SMS sub to "No Preference". Tracking this bug (b/227386042)
} else {
Log.i(LOG_TAG,
"onMultiSimConfigChanged: DSDS mode NOT detected. NOT setting the "
+ "default VOICE and SMS subId to -1 (No Preference)");
}
}
}
/**
* Helper method to set system properties for setting multi sim configs,
* as well as doing the phone reboot
* NOTE: In order to support more than 3 sims, we need to change this method.
* @param numOfActiveModems number of active sims
*/
private void setMultiSimProperties(int numOfActiveModems) {
mMi.setMultiSimProperties(numOfActiveModems);
}
@VisibleForTesting
public static void notifyMultiSimConfigChange(int numOfActiveModems) {
sMultiSimConfigChangeRegistrants.notifyResult(numOfActiveModems);
}
/**
* Register for multi-SIM configuration change, for example if the devices switched from single
* SIM to dual-SIM mode.
*
* It doesn't trigger callback upon registration as multi-SIM config change is in-frequent.
*/
public static void registerForMultiSimConfigChange(Handler h, int what, Object obj) {
sMultiSimConfigChangeRegistrants.addUnique(h, what, obj);
}
/**
* Unregister for multi-SIM configuration change.
*/
public static void unregisterForMultiSimConfigChange(Handler h) {
sMultiSimConfigChangeRegistrants.remove(h);
}
/**
* Unregister for all multi-SIM configuration change events.
*/
public static void unregisterAllMultiSimConfigChangeRegistrants() {
sMultiSimConfigChangeRegistrants.removeAll();
}
private void broadcastMultiSimConfigChange(int numOfActiveModems) {
log("broadcastSimSlotNumChange numOfActiveModems" + numOfActiveModems);
// Notify internal registrants first.
notifyMultiSimConfigChange(numOfActiveModems);
Intent intent = new Intent(ACTION_MULTI_SIM_CONFIG_CHANGED);
intent.putExtra(EXTRA_ACTIVE_SIM_SUPPORTED_COUNT, numOfActiveModems);
mContext.sendBroadcast(intent);
}
/**
* This is invoked from shell commands during CTS testing only.
* @return true if the modem service is set successfully, false otherwise.
*/
public boolean setModemService(String serviceName) {
log("setModemService: " + serviceName);
boolean statusRadioConfig = false;
boolean statusRil = false;
final boolean isAllowed = SystemProperties.getBoolean(ALLOW_MOCK_MODEM_PROPERTY, false);
final boolean isAllowedForBoot =
SystemProperties.getBoolean(BOOT_ALLOW_MOCK_MODEM_PROPERTY, false);
// Check for ALLOW_MOCK_MODEM_PROPERTY and BOOT_ALLOW_MOCK_MODEM_PROPERTY on user builds
if (isAllowed || isAllowedForBoot || DEBUG) {
if (mRadioConfig != null) {
statusRadioConfig = mRadioConfig.setModemService(serviceName);
}
if (!statusRadioConfig) {
loge("setModemService: switching modem service for radioconfig fail");
return false;
}
for (int i = 0; i < getPhoneCount(); i++) {
if (mPhones[i] != null) {
statusRil = mPhones[i].mCi.setModemService(serviceName);
}
if (!statusRil) {
loge("setModemService: switch modem for radio " + i + " fail");
// Disconnect the switched service
mRadioConfig.setModemService(null);
for (int t = 0; t < i; t++) {
mPhones[t].mCi.setModemService(null);
}
return false;
}
}
} else {
loge("setModemService is not allowed");
return false;
}
return true;
}
/**
* This is invoked from shell commands to query during CTS testing only.
* @return the service name of the connected service.
*/
public String getModemService() {
if (mPhones[0] == null) {
return "";
}
return mPhones[0].mCi.getModemService();
}
/**
* A wrapper class that wraps some methods so that they can be replaced or mocked in unit-tests.
*
* For example, setting or reading system property are static native methods that can't be
* directly mocked. We can mock it by replacing MockableInterface object with a mock instance
* in unittest.
*/
@VisibleForTesting
public static class MockableInterface {
/**
* Wrapper function to decide whether reboot is required for modem config change.
*/
@VisibleForTesting
public boolean isRebootRequiredForModemConfigChange() {
boolean rebootRequired = TelephonyProperties.reboot_on_modem_change().orElse(false);
log("isRebootRequiredForModemConfigChange: isRebootRequired = " + rebootRequired);
return rebootRequired;
}
/**
* Wrapper function to call setMultiSimProperties.
*/
@VisibleForTesting
public void setMultiSimProperties(int numOfActiveModems) {
String multiSimConfig;
switch(numOfActiveModems) {
case 3:
multiSimConfig = TSTS;
break;
case 2:
multiSimConfig = DSDS;
break;
default:
multiSimConfig = SSSS;
}
log("setMultiSimProperties to " + multiSimConfig);
TelephonyProperties.multi_sim_config(multiSimConfig);
}
/**
* Wrapper function to call PhoneFactory.onMultiSimConfigChanged.
*/
@VisibleForTesting
public void notifyPhoneFactoryOnMultiSimConfigChanged(
Context context, int numOfActiveModems) {
PhoneFactory.onMultiSimConfigChanged(context, numOfActiveModems);
}
/**
* Wrapper function to query the sysprop for multi_sim_config
*/
public Optional<String> getMultiSimProperty() {
return TelephonyProperties.multi_sim_config();
}
}
private static void log(String s) {
Rlog.d(LOG_TAG, s);
}
private static void loge(String s) {
Rlog.e(LOG_TAG, s);
}
private static void loge(String s, Exception ex) {
Rlog.e(LOG_TAG, s, ex);
}
}