Add new API to retrieve a dumpsys of a single package.

Adds a platform API, and pm command.  Fixes some issues with
dumping per-package data in package manager, makes battery
stats able to dump per-package state.

Change-Id: I76ee6d059f0ba17f7a7061886792b1b716d46d2d

9 files changed, 79 insertions, 273 deletions

diff --git a/services/java/com/android/server/am/ActiveServices.java b/services/java/com/android/server/am/ActiveServices.java
index 98c43521208e..a5d64b2c89de 100644
--- a/services/java/com/android/server/am/ActiveServices.java
+++ b/services/java/com/android/server/am/ActiveServices.java
@@ -27,6 +27,7 @@ import java.util.Iterator;
 import java.util.List;
 
 import com.android.internal.os.BatteryStatsImpl;
+import com.android.internal.os.TransferPipe;
 import com.android.server.am.ActivityManagerService.ItemMatcher;
 import com.android.server.am.ActivityManagerService.NeededUriGrants;
 
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index f06b9a62fc78..fc3183f401cf 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -32,6 +32,7 @@ import com.android.internal.annotations.GuardedBy;
 import com.android.internal.app.IAppOpsService;
 import com.android.internal.os.BatteryStatsImpl;
 import com.android.internal.os.ProcessStats;
+import com.android.internal.os.TransferPipe;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.server.AppOpsService;
 import com.android.server.AttributeCache;
diff --git a/services/java/com/android/server/am/ActivityStackSupervisor.java b/services/java/com/android/server/am/ActivityStackSupervisor.java
index af61bfb5802f..6fe28f4c884e 100644
--- a/services/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/java/com/android/server/am/ActivityStackSupervisor.java
@@ -69,6 +69,7 @@ import android.util.Slog;
 import android.util.SparseArray;
 
 import com.android.internal.app.HeavyWeightSwitcherActivity;
+import com.android.internal.os.TransferPipe;
 import com.android.server.am.ActivityManagerService.PendingActivityLaunch;
 import com.android.server.am.ActivityStack.ActivityState;
 import com.android.server.wm.StackBox;
diff --git a/services/java/com/android/server/am/BatteryStatsService.java b/services/java/com/android/server/am/BatteryStatsService.java
index 5a15f0bb8846..f143feb83363 100644
--- a/services/java/com/android/server/am/BatteryStatsService.java
+++ b/services/java/com/android/server/am/BatteryStatsService.java
@@ -27,6 +27,7 @@ import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Process;
 import android.os.ServiceManager;
+import android.os.UserHandle;
 import android.os.WorkSource;
 import android.telephony.SignalStrength;
 import android.telephony.TelephonyManager;
@@ -479,12 +480,13 @@ public final class BatteryStatsService extends IBatteryStats.Stub {
     
     private void dumpHelp(PrintWriter pw) {
         pw.println("Battery stats (batteryinfo) dump options:");
-        pw.println("  [--checkin] [--unplugged] [--reset] [--write] [-h]");
+        pw.println("  [--checkin] [--unplugged] [--reset] [--write] [-h] [<package.name>]");
         pw.println("  --checkin: format output for a checkin report.");
         pw.println("  --unplugged: only output data since last unplugged.");
         pw.println("  --reset: reset the stats, clearing all current data.");
         pw.println("  --write: force write current collected stats to disk.");
         pw.println("  -h: print this help text.");
+        pw.println("  <package.name>: optional name of package to filter output by.");
     }
 
     @Override
@@ -500,6 +502,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub {
         boolean isCheckin = false;
         boolean isUnpluggedOnly = false;
         boolean noOutput = false;
+        int reqUid = -1;
         if (args != null) {
             for (String arg : args) {
                 if ("--checkin".equals(arg)) {
@@ -523,9 +526,20 @@ public final class BatteryStatsService extends IBatteryStats.Stub {
                     return;
                 } else if ("-a".equals(arg)) {
                     // fall through
-                } else {
+                } else if (arg.length() > 0 && arg.charAt(0) == '-'){
                     pw.println("Unknown option: " + arg);
                     dumpHelp(pw);
+                    return;
+                } else {
+                    // Not an option, last argument must be a package name.
+                    try {
+                        reqUid = mContext.getPackageManager().getPackageUid(arg,
+                                UserHandle.getCallingUserId());
+                    } catch (PackageManager.NameNotFoundException e) {
+                        pw.println("Unknown package: " + arg);
+                        dumpHelp(pw);
+                        return;
+                    }
                 }
             }
         }
@@ -539,7 +553,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub {
             }
         } else {
             synchronized (mStats) {
-                mStats.dumpLocked(pw, isUnpluggedOnly);
+                mStats.dumpLocked(pw, isUnpluggedOnly, reqUid);
             }
         }
     }
diff --git a/services/java/com/android/server/am/ProviderMap.java b/services/java/com/android/server/am/ProviderMap.java
index 5759a4485e80..7da8c48dea35 100644
--- a/services/java/com/android/server/am/ProviderMap.java
+++ b/services/java/com/android/server/am/ProviderMap.java
@@ -22,6 +22,7 @@ import android.os.RemoteException;
 import android.os.UserHandle;
 import android.util.Slog;
 import android.util.SparseArray;
+import com.android.internal.os.TransferPipe;
 
 import java.io.FileDescriptor;
 import java.io.IOException;
diff --git a/services/java/com/android/server/am/TransferPipe.java b/services/java/com/android/server/am/TransferPipe.java
deleted file mode 100644
index 055c577316fe..000000000000
--- a/services/java/com/android/server/am/TransferPipe.java
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * Copyright (C) 2011 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.server.am;
-
-import java.io.FileDescriptor;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-
-import android.os.Binder;
-import android.os.IBinder;
-import android.os.IInterface;
-import android.os.ParcelFileDescriptor;
-import android.os.RemoteException;
-import android.os.SystemClock;
-import android.util.Slog;
-
-/**
- * Helper for transferring data through a pipe from a client app.
- */
-final class TransferPipe implements Runnable {
-    static final String TAG = "TransferPipe";
-    static final boolean DEBUG = false;
-
-    static final long DEFAULT_TIMEOUT = 5000;  // 5 seconds
-
-    final Thread mThread;;
-    final ParcelFileDescriptor[] mFds;
-
-    FileDescriptor mOutFd;
-    long mEndTime;
-    String mFailure;
-    boolean mComplete;
-
-    String mBufferPrefix;
-
-    interface Caller {
-        void go(IInterface iface, FileDescriptor fd, String prefix,
-                String[] args) throws RemoteException;
-    }
-
-    TransferPipe() throws IOException {
-        mThread = new Thread(this, "TransferPipe");
-        mFds = ParcelFileDescriptor.createPipe();
-    }
-
-    ParcelFileDescriptor getReadFd() {
-        return mFds[0];
-    }
-
-    ParcelFileDescriptor getWriteFd() {
-        return mFds[1];
-    }
-
-    void setBufferPrefix(String prefix) {
-        mBufferPrefix = prefix;
-    }
-
-    static void go(Caller caller, IInterface iface, FileDescriptor out,
-            String prefix, String[] args) throws IOException, RemoteException {
-        go(caller, iface, out, prefix, args, DEFAULT_TIMEOUT);
-    }
-
-    static void go(Caller caller, IInterface iface, FileDescriptor out,
-            String prefix, String[] args, long timeout) throws IOException, RemoteException {
-        if ((iface.asBinder()) instanceof Binder) {
-            // This is a local object...  just call it directly.
-            try {
-                caller.go(iface, out, prefix, args);
-            } catch (RemoteException e) {
-            }
-            return;
-        }
-
-        TransferPipe tp = new TransferPipe();
-        try {
-            caller.go(iface, tp.getWriteFd().getFileDescriptor(), prefix, args);
-            tp.go(out, timeout);
-        } finally {
-            tp.kill();
-        }
-    }
-
-    static void goDump(IBinder binder, FileDescriptor out,
-            String[] args) throws IOException, RemoteException {
-        goDump(binder, out, args, DEFAULT_TIMEOUT);
-    }
-
-    static void goDump(IBinder binder, FileDescriptor out,
-            String[] args, long timeout) throws IOException, RemoteException {
-        if (binder instanceof Binder) {
-            // This is a local object...  just call it directly.
-            try {
-                binder.dump(out, args);
-            } catch (RemoteException e) {
-            }
-            return;
-        }
-
-        TransferPipe tp = new TransferPipe();
-        try {
-            binder.dumpAsync(tp.getWriteFd().getFileDescriptor(), args);
-            tp.go(out, timeout);
-        } finally {
-            tp.kill();
-        }
-    }
-
-    void go(FileDescriptor out) throws IOException {
-        go(out, DEFAULT_TIMEOUT);
-    }
-
-    void go(FileDescriptor out, long timeout) throws IOException {
-        try {
-            synchronized (this) {
-                mOutFd = out;
-                mEndTime = SystemClock.uptimeMillis() + timeout;
-
-                if (DEBUG) Slog.i(TAG, "read=" + getReadFd() + " write=" + getWriteFd()
-                        + " out=" + out);
-
-                // Close the write fd, so we know when the other side is done.
-                closeFd(1);
-
-                mThread.start();
-
-                while (mFailure == null && !mComplete) {
-                    long waitTime = mEndTime - SystemClock.uptimeMillis();
-                    if (waitTime <= 0) {
-                        if (DEBUG) Slog.i(TAG, "TIMEOUT!");
-                        mThread.interrupt();
-                        throw new IOException("Timeout");
-                    }
-
-                    try {
-                        wait(waitTime);
-                    } catch (InterruptedException e) {
-                    }
-                }
-
-                if (DEBUG) Slog.i(TAG, "Finished: " + mFailure);
-                if (mFailure != null) {
-                    throw new IOException(mFailure);
-                }
-            }
-        } finally {
-            kill();
-        }
-    }
-
-    void closeFd(int num) {
-        if (mFds[num] != null) {
-            if (DEBUG) Slog.i(TAG, "Closing: " + mFds[num]);
-            try {
-                mFds[num].close();
-            } catch (IOException e) {
-            }
-            mFds[num] = null;
-        }
-    }
-
-    void kill() {
-        closeFd(0);
-        closeFd(1);
-    }
-
-    @Override
-    public void run() {
-        final byte[] buffer = new byte[1024];
-        final FileInputStream fis = new FileInputStream(getReadFd().getFileDescriptor());
-        final FileOutputStream fos = new FileOutputStream(mOutFd);
-
-        if (DEBUG) Slog.i(TAG, "Ready to read pipe...");
-        byte[] bufferPrefix = null;
-        boolean needPrefix = true;
-        if (mBufferPrefix != null) {
-            bufferPrefix = mBufferPrefix.getBytes();
-        }
-
-        int size;
-        try {
-            while ((size=fis.read(buffer)) > 0) {
-                if (DEBUG) Slog.i(TAG, "Got " + size + " bytes");
-                if (bufferPrefix == null) {
-                    fos.write(buffer, 0, size);
-                } else {
-                    int start = 0;
-                    for (int i=0; i<size; i++) {
-                        if (buffer[i] != '\n') {
-                            if (i > start) {
-                                fos.write(buffer, start, i-start);
-                            }
-                            start = i;
-                            if (needPrefix) {
-                                fos.write(bufferPrefix);
-                                needPrefix = false;
-                            }
-                            do {
-                                i++;
-                            } while (i<size && buffer[i] != '\n');
-                            if (i < size) {
-                                needPrefix = true;
-                            }
-                        }
-                    }
-                    if (size > start) {
-                        fos.write(buffer, start, size-start);
-                    }
-                }
-            }
-            if (DEBUG) Slog.i(TAG, "End of pipe: size=" + size);
-            if (mThread.isInterrupted()) {
-                if (DEBUG) Slog.i(TAG, "Interrupted!");
-            }
-        } catch (IOException e) {
-            synchronized (this) {
-                mFailure = e.toString();
-                notifyAll();
-                return;
-            }
-        }
-
-        synchronized (this) {
-            mComplete = true;
-            notifyAll();
-        }
-    }
-}
diff --git a/services/java/com/android/server/pm/KeySetManager.java b/services/java/com/android/server/pm/KeySetManager.java
index f154ab3a0d88..8272c1579768 100644
--- a/services/java/com/android/server/pm/KeySetManager.java
+++ b/services/java/com/android/server/pm/KeySetManager.java
@@ -399,24 +399,50 @@ public class KeySetManager {
         return new String(Base64.encode(k.getEncoded(), 0));
     }
 
-    public void dump(PrintWriter pw) {
+    public void dump(PrintWriter pw, String packageName,
+            PackageManagerService.DumpState dumpState) {
         synchronized (mLockObject) {
-            pw.println("  Dumping KeySetManager");
+            boolean printedHeader = false;
             for (Map.Entry<String, PackageSetting> e : mPackages.entrySet()) {
-                String packageName = e.getKey();
+                String keySetPackage = e.getKey();
+                if (packageName != null && !packageName.equals(keySetPackage)) {
+                    continue;
+                }
+                if (!printedHeader) {
+                    if (dumpState.onTitlePrinted())
+                        pw.println();
+                    pw.println("Key Set Manager:");
+                    printedHeader = true;
+                }
                 PackageSetting pkg = e.getValue();
-                pw.print("  ["); pw.print(packageName); pw.println("]");
+                pw.print("  ["); pw.print(keySetPackage); pw.println("]");
                 if (pkg.keySetData != null) {
-                    pw.print("      Defined KeySets:");
+                    boolean printedLabel = false;
                     for (long keySetId : pkg.keySetData.getDefinedKeySets()) {
-                        pw.print(" "); pw.print(Long.toString(keySetId));
+                        if (!printedLabel) {
+                            pw.print("      Defined KeySets: ");
+                            printedLabel = true;
+                        } else {
+                            pw.print(", ");
+                        }
+                        pw.print(Long.toString(keySetId));
+                    }
+                    if (printedLabel) {
+                        pw.println("");
                     }
-                    pw.println("");
-                    pw.print("      Signing KeySets:");
+                    printedLabel = false;
                     for (long keySetId : pkg.keySetData.getSigningKeySets()) {
+                        if (!printedLabel) {
+                            pw.print("      Signing KeySets:");
+                            printedLabel = true;
+                        } else {
+                            pw.print(", ");
+                        }
                         pw.print(" "); pw.print(Long.toString(keySetId));
                     }
-                    pw.println("");
+                    if (printedLabel) {
+                        pw.println("");
+                    }
                 }
             }
         }
diff --git a/services/java/com/android/server/pm/PackageManagerService.java b/services/java/com/android/server/pm/PackageManagerService.java
index 07805f9d35c5..5e6e0553c3a1 100644
--- a/services/java/com/android/server/pm/PackageManagerService.java
+++ b/services/java/com/android/server/pm/PackageManagerService.java
@@ -10041,6 +10041,9 @@ public class PackageManagerService extends IPackageManager.Stub {
             // Is this a package name?
             if ("android".equals(cmd) || cmd.contains(".")) {
                 packageName = cmd;
+                // When dumping a single package, we always dump all of its
+                // filter information since the amount of data will be reasonable.
+                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
             } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
                 dumpState.setDump(DumpState.DUMP_LIBS);
             } else if ("f".equals(cmd) || "features".equals(cmd)) {
@@ -10076,7 +10079,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         synchronized (mPackages) {
             if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
                 if (dumpState.onTitlePrinted())
-                    pw.println(" ");
+                    pw.println();
                 pw.println("Verifiers:");
                 pw.print("  Required: ");
                 pw.print(mRequiredVerifierPackage);
@@ -10086,16 +10089,20 @@ public class PackageManagerService extends IPackageManager.Stub {
             }
 
             if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
-                if (dumpState.onTitlePrinted())
-                    pw.println(" ");
-                pw.println("Libraries:");
+                boolean printedHeader = false;
                 final Iterator<String> it = mSharedLibraries.keySet().iterator();
                 while (it.hasNext()) {
                     String name = it.next();
+                    SharedLibraryEntry ent = mSharedLibraries.get(name);
+                    if (!printedHeader) {
+                        if (dumpState.onTitlePrinted())
+                            pw.println();
+                        pw.println("Libraries:");
+                        printedHeader = true;
+                    }
                     pw.print("  ");
                     pw.print(name);
                     pw.print(" -> ");
-                    SharedLibraryEntry ent = mSharedLibraries.get(name);
                     if (ent.path != null) {
                         pw.print("(jar) ");
                         pw.print(ent.path);
@@ -10109,7 +10116,7 @@ public class PackageManagerService extends IPackageManager.Stub {
 
             if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
                 if (dumpState.onTitlePrinted())
-                    pw.println(" ");
+                    pw.println();
                 pw.println("Features:");
                 Iterator<String> it = mAvailableFeatures.keySet().iterator();
                 while (it.hasNext()) {
@@ -10185,7 +10192,7 @@ public class PackageManagerService extends IPackageManager.Stub {
                     }
                     if (!printedSomething) {
                         if (dumpState.onTitlePrinted())
-                            pw.println(" ");
+                            pw.println();
                         pw.println("Registered ContentProviders:");
                         printedSomething = true;
                     }
@@ -10200,7 +10207,7 @@ public class PackageManagerService extends IPackageManager.Stub {
                     }
                     if (!printedSomething) {
                         if (dumpState.onTitlePrinted())
-                            pw.println(" ");
+                            pw.println();
                         pw.println("ContentProvider Authorities:");
                         printedSomething = true;
                     }
@@ -10214,10 +10221,7 @@ public class PackageManagerService extends IPackageManager.Stub {
             }
 
             if (dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
-                if (dumpState.onTitlePrinted()) {
-                    pw.println(" ");
-                }
-                mSettings.mKeySetManager.dump(pw);
+                mSettings.mKeySetManager.dump(pw, packageName, dumpState);
             }
 
             if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
@@ -10230,10 +10234,10 @@ public class PackageManagerService extends IPackageManager.Stub {
 
             if (dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
                 if (dumpState.onTitlePrinted())
-                    pw.println(" ");
+                    pw.println();
                 mSettings.dumpReadMessagesLPr(pw, dumpState);
 
-                pw.println(" ");
+                pw.println();
                 pw.println("Package warning messages:");
                 final File fname = getSettingsProblemFile();
                 FileInputStream in = null;
diff --git a/services/java/com/android/server/pm/Settings.java b/services/java/com/android/server/pm/Settings.java
index a9c2ea17c174..b7810ba8d75a 100644
--- a/services/java/com/android/server/pm/Settings.java
+++ b/services/java/com/android/server/pm/Settings.java
@@ -2893,7 +2893,7 @@ final class Settings {
 
             if (!printedSomething) {
                 if (dumpState.onTitlePrinted())
-                    pw.println(" ");
+                    pw.println();
                 pw.println("Packages:");
                 printedSomething = true;
             }
@@ -2909,7 +2909,7 @@ final class Settings {
                 }
                 if (!printedSomething) {
                     if (dumpState.onTitlePrinted())
-                        pw.println(" ");
+                        pw.println();
                     pw.println("Renamed packages:");
                     printedSomething = true;
                 }
@@ -2929,7 +2929,7 @@ final class Settings {
                 }
                 if (!printedSomething) {
                     if (dumpState.onTitlePrinted())
-                        pw.println(" ");
+                        pw.println();
                     pw.println("Hidden system packages:");
                     printedSomething = true;
                 }
@@ -2946,7 +2946,7 @@ final class Settings {
             }
             if (!printedSomething) {
                 if (dumpState.onTitlePrinted())
-                    pw.println(" ");
+                    pw.println();
                 pw.println("Permissions:");
                 printedSomething = true;
             }
@@ -2980,7 +2980,7 @@ final class Settings {
             }
             if (!printedSomething) {
                 if (dumpState.onTitlePrinted())
-                    pw.println(" ");
+                    pw.println();
                 pw.println("Shared users:");
                 printedSomething = true;
             }