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/*
* Copyright (C) 2013 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.server.connectivity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.os.RemoteException;
import android.telephony.PhoneStateListener;
import android.telephony.ServiceState;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.util.Log;
import com.android.internal.app.IBatteryStats;
import com.android.internal.telephony.IccCardConstants;
import com.android.internal.telephony.TelephonyIntents;
import com.android.server.am.BatteryStatsService;
public class DataConnectionStats extends BroadcastReceiver {
private static final String TAG = "DataConnectionStats";
private static final boolean DEBUG = false;
private final Context mContext;
private final IBatteryStats mBatteryStats;
private IccCardConstants.State mSimState = IccCardConstants.State.READY;
private SignalStrength mSignalStrength;
private ServiceState mServiceState;
private int mDataState = TelephonyManager.DATA_DISCONNECTED;
public DataConnectionStats(Context context) {
mContext = context;
mBatteryStats = BatteryStatsService.getService();
}
public void startMonitoring() {
TelephonyManager phone =
(TelephonyManager)mContext.getSystemService(Context.TELEPHONY_SERVICE);
phone.listen(mPhoneStateListener,
PhoneStateListener.LISTEN_SERVICE_STATE
| PhoneStateListener.LISTEN_SIGNAL_STRENGTHS
| PhoneStateListener.LISTEN_DATA_CONNECTION_STATE
| PhoneStateListener.LISTEN_DATA_ACTIVITY);
IntentFilter filter = new IntentFilter();
filter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
filter.addAction(ConnectivityManager.INET_CONDITION_ACTION);
mContext.registerReceiver(this, filter);
}
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (action.equals(TelephonyIntents.ACTION_SIM_STATE_CHANGED)) {
updateSimState(intent);
notePhoneDataConnectionState();
} else if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION) ||
action.equals(ConnectivityManager.INET_CONDITION_ACTION)) {
notePhoneDataConnectionState();
}
}
private void notePhoneDataConnectionState() {
if (mServiceState == null) {
return;
}
boolean simReadyOrUnknown = mSimState == IccCardConstants.State.READY
|| mSimState == IccCardConstants.State.UNKNOWN;
boolean visible = (simReadyOrUnknown || isCdma()) // we only check the sim state for GSM
&& hasService()
&& mDataState == TelephonyManager.DATA_CONNECTED;
int networkType = mServiceState.getDataNetworkType();
if (DEBUG) Log.d(TAG, String.format("Noting data connection for network type %s: %svisible",
networkType, visible ? "" : "not "));
try {
mBatteryStats.notePhoneDataConnectionState(networkType, visible);
} catch (RemoteException e) {
Log.w(TAG, "Error noting data connection state", e);
}
}
private final void updateSimState(Intent intent) {
String stateExtra = intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE);
if (IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(stateExtra)) {
mSimState = IccCardConstants.State.ABSENT;
} else if (IccCardConstants.INTENT_VALUE_ICC_READY.equals(stateExtra)) {
mSimState = IccCardConstants.State.READY;
} else if (IccCardConstants.INTENT_VALUE_ICC_LOCKED.equals(stateExtra)) {
final String lockedReason =
intent.getStringExtra(IccCardConstants.INTENT_KEY_LOCKED_REASON);
if (IccCardConstants.INTENT_VALUE_LOCKED_ON_PIN.equals(lockedReason)) {
mSimState = IccCardConstants.State.PIN_REQUIRED;
} else if (IccCardConstants.INTENT_VALUE_LOCKED_ON_PUK.equals(lockedReason)) {
mSimState = IccCardConstants.State.PUK_REQUIRED;
} else {
mSimState = IccCardConstants.State.NETWORK_LOCKED;
}
} else {
mSimState = IccCardConstants.State.UNKNOWN;
}
}
private boolean isCdma() {
return mSignalStrength != null && !mSignalStrength.isGsm();
}
private boolean hasService() {
return mServiceState != null
&& mServiceState.getState() != ServiceState.STATE_OUT_OF_SERVICE
&& mServiceState.getState() != ServiceState.STATE_POWER_OFF;
}
private final PhoneStateListener mPhoneStateListener = new PhoneStateListener() {
@Override
public void onSignalStrengthsChanged(SignalStrength signalStrength) {
mSignalStrength = signalStrength;
}
@Override
public void onServiceStateChanged(ServiceState state) {
mServiceState = state;
notePhoneDataConnectionState();
}
@Override
public void onDataConnectionStateChanged(int state, int networkType) {
mDataState = state;
notePhoneDataConnectionState();
}
@Override
public void onDataActivity(int direction) {
notePhoneDataConnectionState();
}
};
}
|
