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New development tool for creating cache files.

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Change-Id: I5d4bc5f41a08225a618f68b7afb3b5b3037d96d6
This commit is contained in:
Dianne Hackborn
2012-07-12 14:50:08 -07:00
parent 15060a5ca7
commit 5b6b540207
5 changed files with 259 additions and 1 deletions
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190
apps/Development/src/com/android/development/CacheAbuser.java Normal file
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/*
* Copyright (C) 2009 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.development;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import android.app.Activity;
import android.app.ActivityManagerNative;
import android.app.IActivityController;
import android.app.IActivityManager;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.IBinder;
import android.os.IPowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
import android.view.View;
import android.widget.Button;
public class CacheAbuser extends Activity {
Button mStartInternalAbuse;
Button mStartSlowInternalAbuse;
Button mStartExternalAbuse;
Button mStartSlowExternalAbuse;
Button mStopAbuse;
AsyncTask<Void, Void, Void> mInternalAbuseTask;
AsyncTask<Void, Void, Void> mExternalAbuseTask;
static class AbuseTask extends AsyncTask<Void, Void, Void> {
final File mBaseDir;
final boolean mQuick;
final byte[] mBuffer;
AbuseTask(File cacheDir, boolean quick) {
File dir = new File(cacheDir, quick ? "quick" : "slow");
mBaseDir = new File(dir, Long.toString(System.currentTimeMillis()));
mQuick = quick;
mBuffer = quick ? new byte[1024*1024] : new byte[1024];
}
@Override
protected Void doInBackground(Void... params) {
long num = 0;
while (!isCancelled()) {
long dir1num = num/100;
long dir2num = num%100;
File dir = new File(mBaseDir, Long.toString(dir1num));
File file = new File(dir, Long.toString(dir2num));
FileOutputStream fos = null;
try {
dir.mkdirs();
fos = new FileOutputStream(file, false);
fos.write(mBuffer);
} catch (IOException e) {
Log.w("CacheAbuser", "Write failed to " + file + ": " + e);
try {
wait(5*1000);
} catch (InterruptedException e1) {
}
} finally {
try {
if (fos != null) {
fos.close();
}
} catch (IOException e) {
}
}
num++;
}
return null;
}
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.cache_abuser);
mStartInternalAbuse = (Button) findViewById(R.id.start_internal_abuse);
mStartInternalAbuse.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mInternalAbuseTask == null) {
mInternalAbuseTask = new AbuseTask(getCacheDir(), true);
mInternalAbuseTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
updateButtonState();
}
}
});
mStartSlowInternalAbuse = (Button) findViewById(R.id.start_slow_internal_abuse);
mStartSlowInternalAbuse.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mInternalAbuseTask == null) {
mInternalAbuseTask = new AbuseTask(getCacheDir(), false);
mInternalAbuseTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
updateButtonState();
}
}
});
mStartExternalAbuse = (Button) findViewById(R.id.start_external_abuse);
mStartExternalAbuse.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mExternalAbuseTask == null) {
mExternalAbuseTask = new AbuseTask(getExternalCacheDir(), true);
mExternalAbuseTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
updateButtonState();
}
}
});
mStartSlowExternalAbuse = (Button) findViewById(R.id.start_slow_external_abuse);
mStartSlowExternalAbuse.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mExternalAbuseTask == null) {
mExternalAbuseTask = new AbuseTask(getExternalCacheDir(), false);
mExternalAbuseTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
updateButtonState();
}
}
});
mStopAbuse = (Button) findViewById(R.id.stop_abuse);
mStopAbuse.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
stopAbuse();
}
});
updateButtonState();
}
@Override
public void onStart() {
super.onStart();
updateButtonState();
}
@Override
public void onStop() {
super.onStop();
stopAbuse();
}
void stopAbuse() {
if (mInternalAbuseTask != null) {
mInternalAbuseTask.cancel(false);
mInternalAbuseTask = null;
}
if (mExternalAbuseTask != null) {
mExternalAbuseTask.cancel(false);
mExternalAbuseTask = null;
}
updateButtonState();
}
void updateButtonState() {
mStartInternalAbuse.setEnabled(mInternalAbuseTask == null);
mStartSlowInternalAbuse.setEnabled(mInternalAbuseTask == null);
mStartExternalAbuse.setEnabled(mExternalAbuseTask == null);
mStartSlowExternalAbuse.setEnabled(mExternalAbuseTask == null);
mStopAbuse.setEnabled(mInternalAbuseTask != null
|| mExternalAbuseTask != null);
}
}