From 9d5338249b7f19a5519add135bb03cc182e31f57 Mon Sep 17 00:00:00 2001
From: Dan Egnor <egnor@google.com>
Date: Thu, 4 Mar 2010 17:29:40 -0800
Subject: [PATCH] More bad behavior: ANR and long-term wedge in system process.

Use ActivityController (the special monkey hook) to wedge
ActivityManagerService, useful for triggering system ANRs
and for setting off the watchdog.

Also add more logging so it's clear what happens when.
---
 apps/Development/AndroidManifest.xml          |   1 +
 apps/Development/res/layout/bad_behavior.xml  | 112 ++++++++++--------
 apps/Development/res/values/strings.xml       |   6 +-
 .../development/BadBehaviorActivity.java      |  82 ++++++++++++-
 4 files changed, 149 insertions(+), 52 deletions(-)

diff --git a/apps/Development/AndroidManifest.xml b/apps/Development/AndroidManifest.xml
index 3c75a635884..1b33226fcae 100644
--- a/apps/Development/AndroidManifest.xml
+++ b/apps/Development/AndroidManifest.xml
@@ -28,6 +28,7 @@
     <uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
     <uses-permission android:name="android.permission.REBOOT" />
     <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
+    <uses-permission android:name="android.permission.SET_ACTIVITY_WATCHER" />
     <uses-permission android:name="android.permission.SET_ALWAYS_FINISH" />
     <uses-permission android:name="android.permission.SET_ANIMATION_SCALE" />
     <uses-permission android:name="android.permission.SET_DEBUG_APP" />
diff --git a/apps/Development/res/layout/bad_behavior.xml b/apps/Development/res/layout/bad_behavior.xml
index abd863f3ddf..ce10ebba566 100644
--- a/apps/Development/res/layout/bad_behavior.xml
+++ b/apps/Development/res/layout/bad_behavior.xml
@@ -14,54 +14,70 @@
      limitations under the License.
 -->
 
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <Button android:id="@+id/bad_behavior_crash_system"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_crash_system_label" />
-
-    <Button android:id="@+id/bad_behavior_crash_main"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_crash_main_label" />
-
-    <Button android:id="@+id/bad_behavior_crash_thread"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_crash_thread_label" />
-
-    <Button android:id="@+id/bad_behavior_crash_native"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_crash_native_label" />
-
-    <Button android:id="@+id/bad_behavior_wtf"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_wtf_label" />
-
-    <Button android:id="@+id/bad_behavior_anr"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_anr_label" />
-
-    <Button android:id="@+id/bad_behavior_anr_activity"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_anr_activity_label" />
-
-    <Button android:id="@+id/bad_behavior_anr_broadcast"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_anr_broadcast_label" />
-
-    <Button android:id="@+id/bad_behavior_anr_service"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/bad_behavior_anr_service_label" />
-
-</LinearLayout>
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <Button android:id="@+id/bad_behavior_crash_main"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_crash_main_label" />
+
+        <Button android:id="@+id/bad_behavior_crash_thread"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_crash_thread_label" />
+
+        <Button android:id="@+id/bad_behavior_crash_native"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_crash_native_label" />
+
+        <Button android:id="@+id/bad_behavior_crash_system"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_crash_system_label" />
+
+        <Button android:id="@+id/bad_behavior_wtf"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_wtf_label" />
+
+        <Button android:id="@+id/bad_behavior_anr"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_anr_label" />
+
+        <Button android:id="@+id/bad_behavior_anr_activity"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_anr_activity_label" />
+
+        <Button android:id="@+id/bad_behavior_anr_broadcast"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_anr_broadcast_label" />
+
+        <Button android:id="@+id/bad_behavior_anr_service"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_anr_service_label" />
+
+        <Button android:id="@+id/bad_behavior_anr_system"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_anr_system_label" />
+
+        <Button android:id="@+id/bad_behavior_wedge_system"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/bad_behavior_wedge_system_label" />
+
+    </LinearLayout>
+
+</ScrollView>
diff --git a/apps/Development/res/values/strings.xml b/apps/Development/res/values/strings.xml
index b1310f49730..c28ae6de5f9 100644
--- a/apps/Development/res/values/strings.xml
+++ b/apps/Development/res/values/strings.xml
@@ -196,13 +196,15 @@
     <string name="select_account_to_sync">Select account to sync</string>
 
     <!-- BadBehaviorActivity -->
-    <string name="bad_behavior_crash_system_label">Crash the system server</string>
     <string name="bad_behavior_crash_main_label">Crash the main app thread</string>
     <string name="bad_behavior_crash_thread_label">Crash an auxiliary app thread</string>
     <string name="bad_behavior_crash_native_label">Crash the native process</string>
+    <string name="bad_behavior_crash_system_label">Crash the system server</string>
     <string name="bad_behavior_wtf_label">Report a WTF condition</string>
     <string name="bad_behavior_anr_label">ANR (Stop responding for 20 seconds)</string>
-    <string name="bad_behavior_anr_activity_label">ANR launching a new Activity</string>
+    <string name="bad_behavior_anr_activity_label">ANR starting an Activity</string>
     <string name="bad_behavior_anr_broadcast_label">ANR receiving a broadcast Intent</string>
     <string name="bad_behavior_anr_service_label">ANR starting a Service</string>
+    <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>
 </resources>
diff --git a/apps/Development/src/com/android/development/BadBehaviorActivity.java b/apps/Development/src/com/android/development/BadBehaviorActivity.java
index d559fbc2ad8..4e06ae9d27b 100644
--- a/apps/Development/src/com/android/development/BadBehaviorActivity.java
+++ b/apps/Development/src/com/android/development/BadBehaviorActivity.java
@@ -17,6 +17,9 @@
 package com.android.development;
 
 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;
@@ -45,8 +48,9 @@ private static class BadBehaviorException extends RuntimeException {
     public static class BadReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
-            Log.i(TAG, "in BadReceiver.onReceive() -- about to hang");
+            Log.i(TAG, "in broadcast receiver -- about to hang");
             try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
+            Log.i(TAG, "broadcast receiver hang finished -- returning");
         }
     };
 
@@ -58,13 +62,49 @@ public IBinder onBind(Intent intent) {
 
         @Override
         public int onStartCommand(Intent intent, int flags, int id) {
-            Log.i(TAG, "in BadService.onStartCommand() -- about to hang");
+            Log.i(TAG, "in service start -- about to hang");
             try { Thread.sleep(30000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
+            Log.i(TAG, "service hang finished -- stopping and returning");
             stopSelf();
             return START_NOT_STICKY;
         }
     }
 
+    public static class BadController extends IActivityController.Stub {
+        private int mDelay;
+
+        public BadController(int delay) { mDelay = delay; }
+
+        public boolean activityStarting(Intent intent, String pkg) {
+            try {
+                ActivityManagerNative.getDefault().setActivityController(null);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
+            }
+
+            if (mDelay > 0) {
+                Log.i(TAG, "in activity controller -- about to hang");
+                try { Thread.sleep(mDelay); } catch (InterruptedException e) { Log.wtf(TAG, e); }
+                Log.i(TAG, "activity controller hang finished -- disabling and returning");
+                mDelay = 0;
+            }
+
+            return true;
+        }
+
+        public boolean activityResuming(String pkg) {
+            return true;
+        }
+
+        public boolean appCrashed(String proc, int pid, String m, String m2, long time, String st) {
+            return true;
+        }
+
+        public int appNotResponding(String proc, int pid, String st) {
+            return 0;
+        }
+    }
+
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
@@ -72,6 +112,13 @@ public void onCreate(Bundle icicle) {
         if (getIntent().getBooleanExtra("anr", false)) {
             Log.i(TAG, "in ANR activity -- about to hang");
             try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
+            Log.i(TAG, "activity hang finished -- finishing");
+            finish();
+            return;
+        }
+
+        if (getIntent().getBooleanExtra("dummy", false)) {
+            Log.i(TAG, "in dummy activity -- finishing");
             finish();
             return;
         }
@@ -127,6 +174,7 @@ public void onClick(View v) {
             public void onClick(View v) {
                 Log.i(TAG, "ANR pressed -- about to hang");
                 try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
+                Log.i(TAG, "hang finished -- returning");
             }
         });
 
@@ -154,5 +202,35 @@ public void onClick(View v) {
                 startService(new Intent(BadBehaviorActivity.this, BadService.class));
             }
         });
+
+        Button anr_system = (Button) findViewById(R.id.bad_behavior_anr_system);
+        anr_system.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
+                Log.i(TAG, "ANR system pressed -- about to engage");
+                try {
+                    ActivityManagerNative.getDefault().setActivityController(
+                        new BadController(20000));
+                } catch (RemoteException e) {
+                    Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
+                }
+                startActivity(intent.putExtra("dummy", true));
+            }
+        });
+
+        Button wedge_system = (Button) findViewById(R.id.bad_behavior_wedge_system);
+        wedge_system.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
+                Log.i(TAG, "Wedge system pressed -- about to engage");
+                try {
+                    ActivityManagerNative.getDefault().setActivityController(
+                        new BadController(300000));
+                } catch (RemoteException e) {
+                    Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
+                }
+                startActivity(intent.putExtra("dummy", true));
+            }
+        });
     }
 }