Add public API for EuiccService log dump

Add public APi to EuiccService which allows the connected LPA to dump
out the logs when a bug report is triggered.
Bug: 62881779
Test: manually tested by extracting bug report to see if the logs are
present and atest EuiccServiceTest

Change-Id: I0869b95d12ab87a5e2a255015549191040d9daa7
Merged-In: I0869b95d12ab87a5e2a255015549191040d9daa7

2 files changed, 28 insertions, 0 deletions

diff --git a/telephony/java/android/service/euicc/EuiccService.java b/telephony/java/android/service/euicc/EuiccService.java
index bc6a9e848e2a..ef11f469d9a0 100644
--- a/telephony/java/android/service/euicc/EuiccService.java
+++ b/telephony/java/android/service/euicc/EuiccService.java
@@ -34,6 +34,8 @@ import android.telephony.euicc.EuiccInfo;
 import android.telephony.euicc.EuiccManager.OtaStatus;
 import android.util.Log;
 
+import java.io.PrintWriter;
+import java.io.StringWriter;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -583,6 +585,13 @@ public abstract class EuiccService extends Service {
     public abstract int onRetainSubscriptionsForFactoryReset(int slotId);
 
     /**
+     * Dump to a provided printWriter.
+     */
+    public void dump(@NonNull PrintWriter printWriter) {
+        printWriter.println("The connected LPA does not implement EuiccService#dump()");
+    }
+
+    /**
      * Wrapper around IEuiccService that forwards calls to implementations of {@link EuiccService}.
      */
     private class IEuiccServiceWrapper extends IEuiccService.Stub {
@@ -834,5 +843,22 @@ public abstract class EuiccService extends Service {
                 }
             });
         }
+
+        @Override
+        public void dump(IEuiccServiceDumpResultCallback callback) throws RemoteException {
+            mExecutor.execute(new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        final StringWriter sw = new StringWriter();
+                        final PrintWriter pw = new PrintWriter(sw);
+                        EuiccService.this.dump(pw);
+                        callback.onComplete(sw.toString());
+                    } catch (RemoteException e) {
+                        // Can't communicate with the phone process; ignore.
+                    }
+                }
+            });
+        }
     }
 }
diff --git a/telephony/java/android/service/euicc/IEuiccService.aidl b/telephony/java/android/service/euicc/IEuiccService.aidl
index 2acc47aae919..bb7b569f17f9 100644
--- a/telephony/java/android/service/euicc/IEuiccService.aidl
+++ b/telephony/java/android/service/euicc/IEuiccService.aidl
@@ -29,6 +29,7 @@ import android.service.euicc.IOtaStatusChangedCallback;
 import android.service.euicc.IRetainSubscriptionsForFactoryResetCallback;
 import android.service.euicc.ISwitchToSubscriptionCallback;
 import android.service.euicc.IUpdateSubscriptionNicknameCallback;
+import android.service.euicc.IEuiccServiceDumpResultCallback;
 import android.telephony.euicc.DownloadableSubscription;
 import android.os.Bundle;
 
@@ -56,4 +57,5 @@ oneway interface IEuiccService {
             int slotIndex, int options, in IEraseSubscriptionsCallback callback);
     void retainSubscriptionsForFactoryReset(
             int slotId, in IRetainSubscriptionsForFactoryResetCallback callback);
+    void dump(in IEuiccServiceDumpResultCallback callback);
 }
\ No newline at end of file