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

4 files changed, 51 insertions, 0 deletions

diff --git a/api/system-current.txt b/api/system-current.txt
index b60d321e61e8..60b5af9f2429 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -7722,6 +7722,7 @@ package android.service.euicc {
 
   public abstract class EuiccService extends android.app.Service {
     ctor public EuiccService();
+    method public void dump(@NonNull java.io.PrintWriter);
     method @CallSuper public android.os.IBinder onBind(android.content.Intent);
     method public abstract int onDeleteSubscription(int, String);
     method public android.service.euicc.DownloadSubscriptionResult onDownloadSubscription(int, @NonNull android.telephony.euicc.DownloadableSubscription, boolean, boolean, @Nullable android.os.Bundle);
diff --git a/core/java/android/service/euicc/IEuiccServiceDumpResultCallback.aidl b/core/java/android/service/euicc/IEuiccServiceDumpResultCallback.aidl
new file mode 100644
index 000000000000..ea55ebbadd88
--- /dev/null
+++ b/core/java/android/service/euicc/IEuiccServiceDumpResultCallback.aidl
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2017 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 android.service.euicc;
+
+/** @hide */
+oneway interface IEuiccServiceDumpResultCallback {
+    void onComplete(in String logs);
+}
\ No newline at end of file
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