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/*
* Copyright 2020 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.google.android.iwlan;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.WifiManager;
import android.telephony.CarrierConfigManager;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.telephony.data.ApnSetting;
import android.util.Log;
import com.google.android.iwlan.epdg.EpdgSelector;
public class IwlanBroadcastReceiver extends BroadcastReceiver {
private static final String TAG = "IwlanBroadcastReceiver";
private static boolean mIsReceiverRegistered = false;
private static IwlanBroadcastReceiver mInstance;
public static void startListening(Context context) {
if (mIsReceiverRegistered) {
Log.d(TAG, "startListening: Receiver already registered");
return;
}
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
intentFilter.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED);
context.registerReceiver(getInstance(), intentFilter);
mIsReceiverRegistered = true;
}
public static void stopListening(Context context) {
if (!mIsReceiverRegistered) {
Log.d(TAG, "stopListening: Receiver not registered!");
return;
}
context.unregisterReceiver(getInstance());
mIsReceiverRegistered = false;
}
private static IwlanBroadcastReceiver getInstance() {
if (mInstance == null) {
mInstance = new IwlanBroadcastReceiver();
}
return mInstance;
}
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.d(TAG, "onReceive: " + action);
switch (action) {
case CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED:
case Intent.ACTION_AIRPLANE_MODE_CHANGED:
case WifiManager.WIFI_STATE_CHANGED_ACTION:
IwlanEventListener.onBroadcastReceived(intent);
break;
case TelephonyManager.ACTION_CARRIER_SIGNAL_PCO_VALUE:
processCarrierSignalPcoValue(intent);
break;
}
}
private void processCarrierSignalPcoValue(Intent intent) {
Log.d(TAG, "on CARRIER_SIGNAL_PCO_VALUE intent");
int intentSubId =
intent.getIntExtra(
SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX,
SubscriptionManager.INVALID_SUBSCRIPTION_ID);
int intentSlotIndex = SubscriptionManager.getSlotIndex(intentSubId);
Log.d(TAG, "intentSubId:" + intentSubId + " intentSlotIndex:" + intentSlotIndex);
if (intentSlotIndex != SubscriptionManager.INVALID_SIM_SLOT_INDEX) {
int apnBitMask = intent.getIntExtra(TelephonyManager.EXTRA_APN_TYPE, 0);
if ((apnBitMask & ApnSetting.TYPE_IMS) != 0) {
int pcoId = intent.getIntExtra(TelephonyManager.EXTRA_PCO_ID, 0);
byte[] pcoData = intent.getByteArrayExtra(TelephonyManager.EXTRA_PCO_VALUE);
Log.d(TAG, "PcoID:" + String.format("0x%04x", pcoId) + " PcoData:" + pcoData);
Context mContext = IwlanDataService.getContext();
if (mContext != null) {
int PCO_ID_IPv6 =
IwlanHelper.getConfig(
CarrierConfigManager.Iwlan.KEY_EPDG_PCO_ID_IPV6_INT,
mContext,
intentSlotIndex);
int PCO_ID_IPv4 =
IwlanHelper.getConfig(
CarrierConfigManager.Iwlan.KEY_EPDG_PCO_ID_IPV4_INT,
mContext,
intentSlotIndex);
Log.d(
TAG,
"PCO_ID_IPv6:"
+ String.format("0x%04x", PCO_ID_IPv6)
+ " PCO_ID_IPv4:"
+ String.format("0x%04x", PCO_ID_IPv4));
if (pcoId == PCO_ID_IPv6 || pcoId == PCO_ID_IPv4) {
Log.d(TAG, "SetPcoData to EpdgSelector");
EpdgSelector selector =
EpdgSelector.getSelectorInstance(mContext, intentSlotIndex);
boolean ret = selector.setPcoData(pcoId, pcoData);
} else {
Log.d(TAG, "Unwanted PcoID " + pcoId);
}
} else {
Log.e(TAG, "Null context");
}
} else {
Log.d(TAG, "Unwanted Apntype " + apnBitMask);
}
} else {
Log.e(TAG, "Invalid slot index");
}
}
}
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