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Merge "Refactor to SimChangeListener class"

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am: a12217012e

Change-Id: I863f0b23251a0ebd18a76cf08e1ff0f2cee9cda3
This commit is contained in:
Erik Kline
2017-01-20 10:13:08 +00:00
committed by android-build-merger
parent b6f606b59f a12217012e
commit 74247b4ee8
1 changed files with 100 additions and 69 deletions
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169
services/core/java/com/android/server/connectivity/Tethering.java
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@@ -1345,12 +1345,25 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
}
}
private final AtomicInteger mSimBcastGenerationNumber = new AtomicInteger(0);
private SimChangeBroadcastReceiver mBroadcastReceiver = null;
private class SimChangeListener {
private final Context mContext;
private final AtomicInteger mSimBcastGenerationNumber;
private BroadcastReceiver mBroadcastReceiver;
SimChangeListener(Context ctx) {
mContext = ctx;
mSimBcastGenerationNumber = new AtomicInteger(0);
}
public int generationNumber() {
return mSimBcastGenerationNumber.get();
}
public void startListening() {
if (DBG) Log.d(TAG, "startListening for SIM changes");
if (mBroadcastReceiver != null) return;
private void startListeningForSimChanges() {
if (DBG) Log.d(TAG, "startListeningForSimChanges");
if (mBroadcastReceiver == null) {
mBroadcastReceiver = new SimChangeBroadcastReceiver(
mSimBcastGenerationNumber.incrementAndGet());
final IntentFilter filter = new IntentFilter();
@@ -1359,83 +1372,100 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
mContext.registerReceiver(mBroadcastReceiver, filter, null,
mTetherMasterSM.getHandler());
}
}
private void stopListeningForSimChanges() {
if (DBG) Log.d(TAG, "stopListeningForSimChanges");
if (mBroadcastReceiver != null) {
public void stopListening() {
if (DBG) Log.d(TAG, "stopListening for SIM changes");
if (mBroadcastReceiver == null) return;
mSimBcastGenerationNumber.incrementAndGet();
mContext.unregisterReceiver(mBroadcastReceiver);
mBroadcastReceiver = null;
}
}
class SimChangeBroadcastReceiver extends BroadcastReceiver {
// used to verify this receiver is still current
final private int mGenerationNumber;
// we're interested in edge-triggered LOADED notifications, so
// ignore LOADED unless we saw an ABSENT state first
private boolean mSimAbsentSeen = false;
public SimChangeBroadcastReceiver(int generationNumber) {
super();
mGenerationNumber = generationNumber;
public boolean hasMobileHotspotProvisionApp() {
try {
if (!mContext.getResources().getString(com.android.internal.R.string.
config_mobile_hotspot_provision_app_no_ui).isEmpty()) {
Log.d(TAG, "re-evaluate provisioning");
return true;
}
} catch (Resources.NotFoundException e) {}
Log.d(TAG, "no prov-check needed for new SIM");
return false;
}
@Override
public void onReceive(Context context, Intent intent) {
if (DBG) {
Log.d(TAG, "simchange mGenerationNumber=" + mGenerationNumber +
", current generationNumber=" + mSimBcastGenerationNumber.get());
}
if (mGenerationNumber != mSimBcastGenerationNumber.get()) return;
private boolean isSimCardAbsent(String state) {
return IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(state);
}
final String state =
intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE);
private boolean isSimCardLoaded(String state) {
return IccCardConstants.INTENT_VALUE_ICC_LOADED.equals(state);
}
Log.d(TAG, "got Sim changed to state " + state + ", mSimAbsentSeen=" +
mSimAbsentSeen);
if (!mSimAbsentSeen && IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(state)) {
mSimAbsentSeen = true;
private void startProvisionIntent(int tetherType) {
final Intent startProvIntent = new Intent();
startProvIntent.putExtra(ConnectivityManager.EXTRA_ADD_TETHER_TYPE, tetherType);
startProvIntent.putExtra(ConnectivityManager.EXTRA_RUN_PROVISION, true);
startProvIntent.setComponent(TETHER_SERVICE);
mContext.startServiceAsUser(startProvIntent, UserHandle.CURRENT);
}
private class SimChangeBroadcastReceiver extends BroadcastReceiver {
// used to verify this receiver is still current
final private int mGenerationNumber;
// we're interested in edge-triggered LOADED notifications, so
// ignore LOADED unless we saw an ABSENT state first
private boolean mSimAbsentSeen = false;
public SimChangeBroadcastReceiver(int generationNumber) {
mGenerationNumber = generationNumber;
}
if (mSimAbsentSeen && IccCardConstants.INTENT_VALUE_ICC_LOADED.equals(state)) {
mSimAbsentSeen = false;
try {
if (mContext.getResources().getString(com.android.internal.R.string.
config_mobile_hotspot_provision_app_no_ui).isEmpty() == false) {
ArrayList<Integer> tethered = new ArrayList<Integer>();
synchronized (mPublicSync) {
for (int i = 0; i < mTetherStates.size(); i++) {
TetherState tetherState = mTetherStates.valueAt(i);
if (tetherState.mLastState !=
IControlsTethering.STATE_TETHERED) {
continue; // Skip interfaces that aren't tethered.
}
String iface = mTetherStates.keyAt(i);
int interfaceType = ifaceNameToType(iface);
if (interfaceType != ConnectivityManager.TETHERING_INVALID) {
tethered.add(new Integer(interfaceType));
}
@Override
public void onReceive(Context context, Intent intent) {
final int currentGenerationNumber = mSimBcastGenerationNumber.get();
if (DBG) {
Log.d(TAG, "simchange mGenerationNumber=" + mGenerationNumber +
", current generationNumber=" + currentGenerationNumber);
}
if (mGenerationNumber != currentGenerationNumber) return;
final String state = intent.getStringExtra(
IccCardConstants.INTENT_KEY_ICC_STATE);
Log.d(TAG, "got Sim changed to state " + state + ", mSimAbsentSeen=" +
mSimAbsentSeen);
if (isSimCardAbsent(state)) {
if (!mSimAbsentSeen) mSimAbsentSeen = true;
return;
}
if (isSimCardLoaded(state) && mSimAbsentSeen) {
mSimAbsentSeen = false;
if (!hasMobileHotspotProvisionApp()) return;
ArrayList<Integer> tethered = new ArrayList<Integer>();
synchronized (mPublicSync) {
for (int i = 0; i < mTetherStates.size(); i++) {
TetherState tetherState = mTetherStates.valueAt(i);
if (tetherState.mLastState != IControlsTethering.STATE_TETHERED) {
continue; // Skip interfaces that aren't tethered.
}
String iface = mTetherStates.keyAt(i);
int interfaceType = ifaceNameToType(iface);
if (interfaceType != ConnectivityManager.TETHERING_INVALID) {
tethered.add(new Integer(interfaceType));
}
}
for (int tetherType : tethered) {
Intent startProvIntent = new Intent();
startProvIntent.putExtra(
ConnectivityManager.EXTRA_ADD_TETHER_TYPE, tetherType);
startProvIntent.putExtra(
ConnectivityManager.EXTRA_RUN_PROVISION, true);
startProvIntent.setComponent(TETHER_SERVICE);
mContext.startServiceAsUser(startProvIntent, UserHandle.CURRENT);
}
Log.d(TAG, "re-evaluate provisioning");
} else {
Log.d(TAG, "no prov-check needed for new SIM");
}
} catch (Resources.NotFoundException e) {
Log.d(TAG, "no prov-check needed for new SIM");
// not defined, do nothing
for (int tetherType : tethered) {
startProvisionIntent(tetherType);
}
}
}
}
@@ -1471,12 +1501,13 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
}
class TetherModeAliveState extends TetherMasterUtilState {
final SimChangeListener simChange = new SimChangeListener(mContext);
boolean mTryCell = true;
@Override
public void enter() {
// TODO: examine if we should check the return value.
turnOnMasterTetherSettings(); // may transition us out
startListeningForSimChanges();
simChange.startListening();
mUpstreamNetworkMonitor.start();
mTryCell = true; // better try something first pass or crazy tests cases will fail
@@ -1488,7 +1519,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
public void exit() {
unrequestUpstreamMobileConnection();
mUpstreamNetworkMonitor.stop();
stopListeningForSimChanges();
simChange.stopListening();
notifyTetheredOfNewUpstreamIface(null);
handleNewUpstreamNetworkState(null);
}