John Spurlock | bf991a8 | 2013-06-24 14:20:23 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.connectivity; |
| 18 | |
| 19 | import android.content.BroadcastReceiver; |
| 20 | import android.content.Context; |
| 21 | import android.content.Intent; |
| 22 | import android.content.IntentFilter; |
| 23 | import android.net.ConnectivityManager; |
| 24 | import android.os.RemoteException; |
| 25 | import android.telephony.PhoneStateListener; |
| 26 | import android.telephony.ServiceState; |
| 27 | import android.telephony.SignalStrength; |
| 28 | import android.telephony.TelephonyManager; |
| 29 | import android.util.Log; |
| 30 | |
| 31 | import com.android.internal.app.IBatteryStats; |
| 32 | import com.android.internal.telephony.IccCardConstants; |
| 33 | import com.android.internal.telephony.TelephonyIntents; |
| 34 | import com.android.server.am.BatteryStatsService; |
| 35 | |
| 36 | public class DataConnectionStats extends BroadcastReceiver { |
| 37 | private static final String TAG = "DataConnectionStats"; |
| 38 | private static final boolean DEBUG = false; |
| 39 | |
| 40 | private final Context mContext; |
| 41 | private final IBatteryStats mBatteryStats; |
| 42 | |
| 43 | private IccCardConstants.State mSimState = IccCardConstants.State.READY; |
| 44 | private SignalStrength mSignalStrength; |
| 45 | private ServiceState mServiceState; |
| 46 | private int mDataState = TelephonyManager.DATA_DISCONNECTED; |
| 47 | |
| 48 | public DataConnectionStats(Context context) { |
| 49 | mContext = context; |
| 50 | mBatteryStats = BatteryStatsService.getService(); |
| 51 | } |
| 52 | |
| 53 | public void startMonitoring() { |
| 54 | TelephonyManager phone = |
| 55 | (TelephonyManager)mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| 56 | phone.listen(mPhoneStateListener, |
| 57 | PhoneStateListener.LISTEN_SERVICE_STATE |
| 58 | | PhoneStateListener.LISTEN_SIGNAL_STRENGTHS |
| 59 | | PhoneStateListener.LISTEN_DATA_CONNECTION_STATE |
| 60 | | PhoneStateListener.LISTEN_DATA_ACTIVITY); |
| 61 | |
| 62 | IntentFilter filter = new IntentFilter(); |
| 63 | filter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED); |
| 64 | filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); |
| 65 | filter.addAction(ConnectivityManager.INET_CONDITION_ACTION); |
| 66 | mContext.registerReceiver(this, filter); |
| 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public void onReceive(Context context, Intent intent) { |
| 71 | final String action = intent.getAction(); |
| 72 | if (action.equals(TelephonyIntents.ACTION_SIM_STATE_CHANGED)) { |
| 73 | updateSimState(intent); |
| 74 | notePhoneDataConnectionState(); |
| 75 | } else if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION) || |
| 76 | action.equals(ConnectivityManager.INET_CONDITION_ACTION)) { |
| 77 | notePhoneDataConnectionState(); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | private void notePhoneDataConnectionState() { |
| 82 | if (mServiceState == null) { |
| 83 | return; |
| 84 | } |
| 85 | boolean simReadyOrUnknown = mSimState == IccCardConstants.State.READY |
| 86 | || mSimState == IccCardConstants.State.UNKNOWN; |
| 87 | boolean visible = (simReadyOrUnknown || isCdma()) // we only check the sim state for GSM |
| 88 | && hasService() |
| 89 | && mDataState == TelephonyManager.DATA_CONNECTED; |
| 90 | int networkType = mServiceState.getDataNetworkType(); |
| 91 | if (DEBUG) Log.d(TAG, String.format("Noting data connection for network type %s: %svisible", |
| 92 | networkType, visible ? "" : "not ")); |
| 93 | try { |
| 94 | mBatteryStats.notePhoneDataConnectionState(networkType, visible); |
| 95 | } catch (RemoteException e) { |
| 96 | Log.w(TAG, "Error noting data connection state", e); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | private final void updateSimState(Intent intent) { |
| 101 | String stateExtra = intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE); |
| 102 | if (IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(stateExtra)) { |
| 103 | mSimState = IccCardConstants.State.ABSENT; |
| 104 | } else if (IccCardConstants.INTENT_VALUE_ICC_READY.equals(stateExtra)) { |
| 105 | mSimState = IccCardConstants.State.READY; |
| 106 | } else if (IccCardConstants.INTENT_VALUE_ICC_LOCKED.equals(stateExtra)) { |
| 107 | final String lockedReason = |
| 108 | intent.getStringExtra(IccCardConstants.INTENT_KEY_LOCKED_REASON); |
| 109 | if (IccCardConstants.INTENT_VALUE_LOCKED_ON_PIN.equals(lockedReason)) { |
| 110 | mSimState = IccCardConstants.State.PIN_REQUIRED; |
| 111 | } else if (IccCardConstants.INTENT_VALUE_LOCKED_ON_PUK.equals(lockedReason)) { |
| 112 | mSimState = IccCardConstants.State.PUK_REQUIRED; |
| 113 | } else { |
| 114 | mSimState = IccCardConstants.State.NETWORK_LOCKED; |
| 115 | } |
| 116 | } else { |
| 117 | mSimState = IccCardConstants.State.UNKNOWN; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | private boolean isCdma() { |
| 122 | return mSignalStrength != null && !mSignalStrength.isGsm(); |
| 123 | } |
| 124 | |
| 125 | private boolean hasService() { |
| 126 | return mServiceState != null |
| 127 | && mServiceState.getState() != ServiceState.STATE_OUT_OF_SERVICE |
| 128 | && mServiceState.getState() != ServiceState.STATE_POWER_OFF; |
| 129 | } |
| 130 | |
| 131 | private final PhoneStateListener mPhoneStateListener = new PhoneStateListener() { |
| 132 | @Override |
| 133 | public void onSignalStrengthsChanged(SignalStrength signalStrength) { |
| 134 | mSignalStrength = signalStrength; |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void onServiceStateChanged(ServiceState state) { |
| 139 | mServiceState = state; |
| 140 | notePhoneDataConnectionState(); |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public void onDataConnectionStateChanged(int state, int networkType) { |
| 145 | mDataState = state; |
| 146 | notePhoneDataConnectionState(); |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public void onDataActivity(int direction) { |
| 151 | notePhoneDataConnectionState(); |
| 152 | } |
| 153 | }; |
| 154 | } |