From 5b6b54020711fcd54c6d500908675c8aba525a18 Mon Sep 17 00:00:00 2001
From: Dianne Hackborn <hackbod@google.com>
Date: Thu, 12 Jul 2012 14:50:08 -0700
Subject: New development tool for creating cache files.

Change-Id: I5d4bc5f41a08225a618f68b7afb3b5b3037d96d6
---
 apps/Development/AndroidManifest.xml               |   8 +
 apps/Development/res/layout/bad_behavior.xml       |   2 +-
 apps/Development/res/layout/cache_abuser.xml       |  53 ++++++
 apps/Development/res/values/strings.xml            |   7 +
 .../src/com/android/development/CacheAbuser.java   | 190 +++++++++++++++++++++
 5 files changed, 259 insertions(+), 1 deletion(-)
 create mode 100644 apps/Development/res/layout/cache_abuser.xml
 create mode 100644 apps/Development/src/com/android/development/CacheAbuser.java

(limited to 'apps/Development')

diff --git a/apps/Development/AndroidManifest.xml b/apps/Development/AndroidManifest.xml
index f2bf60ceb..32738dd33 100644
--- a/apps/Development/AndroidManifest.xml
+++ b/apps/Development/AndroidManifest.xml
@@ -38,6 +38,7 @@
     <uses-permission android:name="android.permission.USE_CREDENTIALS" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.WRITE_SETTINGS" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="com.google.android.googleapps.permission.ACCESS_GOOGLE_PASSWORD" />
     <uses-permission android:name="com.google.android.googleapps.permission.GOOGLE_AUTH" />
     <uses-permission android:name="com.google.android.googleapps.permission.GOOGLE_AUTH.ALL_SERVICES" />
@@ -169,6 +170,13 @@
         </receiver>
         <service android:name="BadBehaviorActivity$BadService" />
 
+        <activity android:name="CacheAbuser" android:label="Cache Abuser">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.TEST" />
+            </intent-filter>
+        </activity>
+
         <activity android:name="ConfigurationViewer" android:label="Configuration">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/apps/Development/res/layout/bad_behavior.xml b/apps/Development/res/layout/bad_behavior.xml
index ce10ebba5..6415da679 100644
--- a/apps/Development/res/layout/bad_behavior.xml
+++ b/apps/Development/res/layout/bad_behavior.xml
@@ -21,7 +21,7 @@
     <LinearLayout
         android:orientation="vertical"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="wrap_content">
 
         <Button android:id="@+id/bad_behavior_crash_main"
                 android:layout_width="match_parent"
diff --git a/apps/Development/res/layout/cache_abuser.xml b/apps/Development/res/layout/cache_abuser.xml
new file mode 100644
index 000000000..8e212a94c
--- /dev/null
+++ b/apps/Development/res/layout/cache_abuser.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2012 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.
+-->
+
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <Button android:id="@+id/start_internal_abuse"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/cache_abuser_start_internal_abuse" />
+
+        <Button android:id="@+id/start_slow_internal_abuse"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/cache_abuser_start_slow_internal_abuse" />
+
+        <Button android:id="@+id/start_external_abuse"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/cache_abuser_start_external_abuse" />
+
+        <Button android:id="@+id/start_slow_external_abuse"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/cache_abuser_start_slow_external_abuse" />
+
+        <Button android:id="@+id/stop_abuse"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/cache_abuser_stop_abuse" />
+
+    </LinearLayout>
+
+</ScrollView>
diff --git a/apps/Development/res/values/strings.xml b/apps/Development/res/values/strings.xml
index 0f4763cb1..10879316f 100644
--- a/apps/Development/res/values/strings.xml
+++ b/apps/Development/res/values/strings.xml
@@ -220,6 +220,13 @@
     <string name="bad_behavior_anr_system_label">System ANR (in ActivityManager)</string>
     <string name="bad_behavior_wedge_system_label">Wedge system (5 minute system ANR)</string>
 
+    <!-- CacheAbuser -->
+    <string name="cache_abuser_start_internal_abuse">Quickly abuse internal cache</string>
+    <string name="cache_abuser_start_slow_internal_abuse">Slowly abuse internal cache</string>
+    <string name="cache_abuser_start_external_abuse">Quickly abuse external cache</string>
+    <string name="cache_abuser_start_slow_external_abuse">Slowly abuse external cache</string>
+    <string name="cache_abuser_stop_abuse">Stop cache abuse</string>
+
     <!-- MediaScannerActivity -->
     <string name="scancard">Scan SD card</string>
     <string name="numsongs"># of albums</string>
diff --git a/apps/Development/src/com/android/development/CacheAbuser.java b/apps/Development/src/com/android/development/CacheAbuser.java
new file mode 100644
index 000000000..489018f32
--- /dev/null
+++ b/apps/Development/src/com/android/development/CacheAbuser.java
@@ -0,0 +1,190 @@
+/*
+ * 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);
+    }
+}
-- 
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