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      1 /**
      2 ** Copyright 2007, 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.commands.monkey;
     18 
     19 import android.app.IActivityManager;
     20 import android.content.IIntentReceiver;
     21 import android.content.Intent;
     22 import android.content.IntentFilter;
     23 import android.net.ConnectivityManager;
     24 import android.net.NetworkInfo;
     25 import android.os.Bundle;
     26 import android.os.RemoteException;
     27 import android.os.SystemClock;
     28 import android.os.UserHandle;
     29 
     30 /**
     31  * Class for monitoring network connectivity during monkey runs.
     32  */
     33 public class MonkeyNetworkMonitor extends IIntentReceiver.Stub {
     34     private static final boolean LDEBUG = false;
     35     private final IntentFilter filter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
     36     private long mCollectionStartTime; // time we started collecting data
     37     private long mEventTime; // time of last event (connect, disconnect, etc.)
     38     private int mLastNetworkType = -1; // unknown
     39     private long mWifiElapsedTime = 0;  // accumulated time spent on wifi since start()
     40     private long mMobileElapsedTime = 0; // accumulated time spent on mobile since start()
     41     private long mElapsedTime = 0; // amount of time spent between start() and stop()
     42 
     43     public void performReceive(Intent intent, int resultCode, String data, Bundle extras,
     44             boolean ordered, boolean sticky, int sendingUser) throws RemoteException {
     45         NetworkInfo ni = (NetworkInfo) intent.getParcelableExtra(
     46                 ConnectivityManager.EXTRA_NETWORK_INFO);
     47         if (LDEBUG) System.out.println("Network state changed: "
     48                 + "type=" + ni.getType() + ", state="  + ni.getState());
     49         updateNetworkStats();
     50         if (NetworkInfo.State.CONNECTED == ni.getState()) {
     51             if (LDEBUG) System.out.println("Network connected");
     52             mLastNetworkType = ni.getType();
     53         } else if (NetworkInfo.State.DISCONNECTED == ni.getState()) {
     54             if (LDEBUG) System.out.println("Network not connected");
     55             mLastNetworkType = -1; // unknown since we're disconnected
     56         }
     57         mEventTime = SystemClock.elapsedRealtime();
     58     }
     59 
     60     private void updateNetworkStats() {
     61         long timeNow = SystemClock.elapsedRealtime();
     62         long delta = timeNow - mEventTime;
     63         switch (mLastNetworkType) {
     64             case ConnectivityManager.TYPE_MOBILE:
     65                 if (LDEBUG) System.out.println("Adding to mobile: " + delta);
     66                 mMobileElapsedTime += delta;
     67                 break;
     68             case ConnectivityManager.TYPE_WIFI:
     69                 if (LDEBUG) System.out.println("Adding to wifi: " + delta);
     70                 mWifiElapsedTime += delta;
     71                 break;
     72             default:
     73                 if (LDEBUG) System.out.println("Unaccounted for: " + delta);
     74                 break;
     75         }
     76         mElapsedTime = timeNow - mCollectionStartTime;
     77     }
     78 
     79     public void start() {
     80         mWifiElapsedTime = 0;
     81         mMobileElapsedTime = 0;
     82         mElapsedTime = 0;
     83         mEventTime = mCollectionStartTime = SystemClock.elapsedRealtime();
     84     }
     85 
     86     public void register(IActivityManager am) throws RemoteException {
     87         if (LDEBUG) System.out.println("registering Receiver");
     88         am.registerReceiver(null, null, this, filter, null, UserHandle.USER_ALL);
     89     }
     90 
     91     public void unregister(IActivityManager am) throws RemoteException {
     92         if (LDEBUG) System.out.println("unregistering Receiver");
     93         am.unregisterReceiver(this);
     94     }
     95 
     96     public void stop() {
     97         updateNetworkStats();
     98     }
     99 
    100     public void dump() {
    101         System.out.println("## Network stats: elapsed time=" + mElapsedTime + "ms ("
    102                 + mMobileElapsedTime + "ms mobile, "
    103                 + mWifiElapsedTime + "ms wifi, "
    104                 + (mElapsedTime - mMobileElapsedTime - mWifiElapsedTime) + "ms not connected)");
    105     }
    106  }