From 8a2af013747b46915cb5cb03aa26765ecf39ccb8 Mon Sep 17 00:00:00 2001
From: Felipe Leme <felipeal@google.com>
Date: Thu, 16 Jun 2022 13:30:54 -0700
Subject: [PATCH] Implemented PersistentDataBlockService.dump()

Test: adb shell dumpsys persistent_data_block
Bug: 233234745

Change-Id: I5ac27b03bc63c2922a9e19c0d2deaad38439def8
---
 .../server/PersistentDataBlockService.java      | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/services/core/java/com/android/server/PersistentDataBlockService.java b/services/core/java/com/android/server/PersistentDataBlockService.java
index 06c11fa4a20cb..b2fc574dea201 100644
--- a/services/core/java/com/android/server/PersistentDataBlockService.java
+++ b/services/core/java/com/android/server/PersistentDataBlockService.java
@@ -35,14 +35,17 @@ import android.util.Slog;
 
 import com.android.internal.R;
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.DumpUtils;
 
 import libcore.io.IoUtils;
 
 import java.io.DataInputStream;
 import java.io.File;
+import java.io.FileDescriptor;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.PrintWriter;
 import java.io.RandomAccessFile;
 import java.nio.ByteBuffer;
 import java.nio.channels.FileChannel;
@@ -679,6 +682,20 @@ public class PersistentDataBlockService extends SystemService {
             enforcePersistentDataBlockAccess();
             return mContext.getString(R.string.config_persistentDataPackageName);
         }
+
+        @Override
+        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
+
+            pw.println("mDataBlockFile: " + mDataBlockFile);
+            pw.println("mIsRunningDSU: " + mIsRunningDSU);
+            pw.println("mInitDoneSignal: " + mInitDoneSignal);
+            pw.println("mAllowedUid: " + mAllowedUid);
+            pw.println("mBlockDeviceSize: " + mBlockDeviceSize);
+            synchronized (mLock) {
+                pw.println("mIsWritable: " + mIsWritable);
+            }
+        }
     };
 
     private PersistentDataBlockManagerInternal mInternalService =