Add dumping the state of the print sub-system.

Being able to dump the state of the print sub-system especially when
taking a bugreport is very useful for bug fixing and observing whether
the print system operates properly.

bug:10659019

Change-Id: Id098b788f474ab17766966a4563ffdfc0171c76b

1 files changed, 14 insertions, 0 deletions

diff --git a/services/java/com/android/server/print/RemotePrintService.java b/services/java/com/android/server/print/RemotePrintService.java
index 2ded2024d48b..ddff0ae55449 100644
--- a/services/java/com/android/server/print/RemotePrintService.java
+++ b/services/java/com/android/server/print/RemotePrintService.java
@@ -41,6 +41,7 @@ import android.util.Slog;
 
 import com.android.internal.R;
 
+import java.io.PrintWriter;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
@@ -137,6 +138,19 @@ final class RemotePrintService implements DeathRecipient {
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[]) null);
     }
 
+    public void dump(PrintWriter pw, String prefix) {
+        String tab = "  ";
+        pw.append(prefix).append("service:").println();
+        pw.append(prefix).append(tab).append("componentName=")
+                .append(mComponentName.flattenToString()).println();
+        pw.append(prefix).append(tab).append("destroyed=")
+                .append(String.valueOf(mDestroyed)).println();
+        pw.append(prefix).append(tab).append("bound=")
+                .append(String.valueOf(isBound())).println();
+        pw.append(prefix).append(tab).append("hasDicoverySession=")
+                .append(String.valueOf(mHasPrinterDiscoverySession));
+    }
+
     private void failAllActivePrintJobs() {
         List<PrintJobInfo> printJobs = mSpooler.getPrintJobInfos(mComponentName,
                 PrintJobInfo.STATE_ANY_ACTIVE, PrintManager.APP_ID_ANY);