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/**
** Copyright 2007, 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.commands.monkey;
import android.app.IActivityManager;
import android.content.IIntentReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.SystemClock;
/**
* Class for monitoring network connectivity during monkey runs.
*/
public class MonkeyNetworkMonitor extends IIntentReceiver.Stub {
private static final boolean LDEBUG = false;
private final IntentFilter filter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
private long mCollectionStartTime; // time we started collecting data
private long mEventTime; // time of last event (connect, disconnect, etc.)
private int mLastNetworkType = -1; // unknown
private long mWifiElapsedTime = 0; // accumulated time spent on wifi since start()
private long mMobileElapsedTime = 0; // accumulated time spent on mobile since start()
private long mElapsedTime = 0; // amount of time spent between start() and stop()
public void performReceive(Intent intent, int resultCode, String data, Bundle extras,
boolean ordered, boolean sticky) throws RemoteException {
NetworkInfo ni = (NetworkInfo) intent.getParcelableExtra(
ConnectivityManager.EXTRA_NETWORK_INFO);
if (LDEBUG) System.out.println("Network state changed: "
+ "type=" + ni.getType() + ", state=" + ni.getState());
updateNetworkStats();
if (NetworkInfo.State.CONNECTED == ni.getState()) {
if (LDEBUG) System.out.println("Network connected");
mLastNetworkType = ni.getType();
} else if (NetworkInfo.State.DISCONNECTED == ni.getState()) {
if (LDEBUG) System.out.println("Network not connected");
mLastNetworkType = -1; // unknown since we're disconnected
}
mEventTime = SystemClock.elapsedRealtime();
}
private void updateNetworkStats() {
long timeNow = SystemClock.elapsedRealtime();
long delta = timeNow - mEventTime;
switch (mLastNetworkType) {
case ConnectivityManager.TYPE_MOBILE:
if (LDEBUG) System.out.println("Adding to mobile: " + delta);
mMobileElapsedTime += delta;
break;
case ConnectivityManager.TYPE_WIFI:
if (LDEBUG) System.out.println("Adding to wifi: " + delta);
mWifiElapsedTime += delta;
break;
default:
if (LDEBUG) System.out.println("Unaccounted for: " + delta);
break;
}
mElapsedTime = timeNow - mCollectionStartTime;
}
public void start() {
mWifiElapsedTime = 0;
mMobileElapsedTime = 0;
mElapsedTime = 0;
mEventTime = mCollectionStartTime = SystemClock.elapsedRealtime();
}
public void register(IActivityManager am) throws RemoteException {
if (LDEBUG) System.out.println("registering Receiver");
am.registerReceiver(null, null, this, filter, null);
}
public void unregister(IActivityManager am) throws RemoteException {
if (LDEBUG) System.out.println("unregistering Receiver");
am.unregisterReceiver(this);
}
public void stop() {
updateNetworkStats();
}
public void dump() {
System.out.println("## Network stats: elapsed time=" + mElapsedTime + "ms ("
+ mMobileElapsedTime + "ms mobile, "
+ mWifiElapsedTime + "ms wifi, "
+ (mElapsedTime - mMobileElapsedTime - mWifiElapsedTime) + "ms not connected)");
}
}
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