Add a test for closing sockets when a VPN comes up.

Bug: 28251576
Change-Id: Iab0a8643cff3c54eb04168a7cdfa116c0b8e30b1
diff --git a/tests/cts/hostside/app2/Android.mk b/tests/cts/hostside/app2/Android.mk
index 3b59f8f..706455d 100644
--- a/tests/cts/hostside/app2/Android.mk
+++ b/tests/cts/hostside/app2/Android.mk
@@ -20,6 +20,7 @@
 
 LOCAL_MODULE_TAGS := tests
 LOCAL_SDK_VERSION := current
+LOCAL_STATIC_JAVA_LIBRARIES := CtsHostsideNetworkTestsAidl
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 
diff --git a/tests/cts/hostside/app2/AndroidManifest.xml b/tests/cts/hostside/app2/AndroidManifest.xml
index 9c4884b..80b669d 100644
--- a/tests/cts/hostside/app2/AndroidManifest.xml
+++ b/tests/cts/hostside/app2/AndroidManifest.xml
@@ -29,11 +29,15 @@
 
          The manifest-defined listener also handles ordered broadcasts used to share data with the
          test app.
+
+         This application also provides a service, RemoteSocketFactoryService, that the test app can
+         use to open sockets to remote hosts as a different user ID.
     -->
     <application>
         <activity android:name=".MyActivity" android:exported="true"/>
         <service android:name=".MyService" android:exported="true"/>
         <service android:name=".MyForegroundService" android:exported="true"/>
+        <service android:name=".RemoteSocketFactoryService" android:exported="true"/>
 
         <receiver android:name=".MyBroadcastReceiver" >
             <intent-filter>
@@ -45,4 +49,4 @@
         </receiver>
     </application>
 
-</manifest>
\ No newline at end of file
+</manifest>
diff --git a/tests/cts/hostside/app2/src/com/android/cts/net/hostside/app2/RemoteSocketFactoryService.java b/tests/cts/hostside/app2/src/com/android/cts/net/hostside/app2/RemoteSocketFactoryService.java
new file mode 100644
index 0000000..b1b7d77
--- /dev/null
+++ b/tests/cts/hostside/app2/src/com/android/cts/net/hostside/app2/RemoteSocketFactoryService.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2016 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.cts.net.hostside.app2;
+
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.os.IBinder;
+import android.os.ParcelFileDescriptor;
+import android.os.Process;
+import android.util.Log;
+
+import com.android.cts.net.hostside.IRemoteSocketFactory;
+
+import java.net.Socket;
+
+
+public class RemoteSocketFactoryService extends Service {
+
+    private static final String TAG = RemoteSocketFactoryService.class.getSimpleName();
+
+    private IRemoteSocketFactory.Stub mBinder = new IRemoteSocketFactory.Stub() {
+        @Override
+        public ParcelFileDescriptor openSocketFd(String host, int port, int timeoutMs) {
+            try {
+                Socket s = new Socket(host, port);
+                s.setSoTimeout(timeoutMs);
+                return ParcelFileDescriptor.fromSocket(s);
+            } catch (Exception e) {
+                throw new IllegalArgumentException(e);
+            }
+        }
+
+        @Override
+        public String getPackageName() {
+            return RemoteSocketFactoryService.this.getPackageName();
+        }
+
+        @Override
+        public int getUid() {
+            return Process.myUid();
+        }
+    };
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mBinder;
+    }
+}