diff options
Diffstat (limited to 'services/core/java/com/android/server/connectivity/DataConnectionStats.java')
-rw-r--r-- | services/core/java/com/android/server/connectivity/DataConnectionStats.java | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/services/core/java/com/android/server/connectivity/DataConnectionStats.java b/services/core/java/com/android/server/connectivity/DataConnectionStats.java new file mode 100644 index 0000000..227ab23 --- /dev/null +++ b/services/core/java/com/android/server/connectivity/DataConnectionStats.java @@ -0,0 +1,154 @@ +/* + * 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(); + } + }; +} |