Add VTS test for NFC observe mode
Test: this is only a test; manual run on a device
Bug: 305979303 326470047
Change-Id: Idf4953e942bb5db8c2ee72779dfdf80ed4e224b2
diff --git a/nfc/aidl/vts/functional/SyncEvent.h b/nfc/aidl/vts/functional/SyncEvent.h
new file mode 100644
index 0000000..352a549
--- /dev/null
+++ b/nfc/aidl/vts/functional/SyncEvent.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+/*
+ * Synchronize two or more threads using a condition variable and a mutex.
+ */
+#pragma once
+#include <mutex>
+
+#include "CondVar.h"
+
+class SyncEvent {
+ public:
+ /*******************************************************************************
+ **
+ ** Function: ~SyncEvent
+ **
+ ** Description: Cleanup all resources.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ ~SyncEvent() {}
+
+ /*******************************************************************************
+ **
+ ** Function: start
+ **
+ ** Description: Start a synchronization operation.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ void start() { mMutex.lock(); }
+
+ /*******************************************************************************
+ **
+ ** Function: wait
+ **
+ ** Description: Block the thread and wait for the event to occur.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ void wait() { mCondVar.wait(mMutex); }
+
+ /*******************************************************************************
+ **
+ ** Function: wait
+ **
+ ** Description: Block the thread and wait for the event to occur.
+ ** millisec: Timeout in milliseconds.
+ **
+ ** Returns: True if wait is successful; false if timeout occurs.
+ **
+ *******************************************************************************/
+ bool wait(long millisec) {
+ bool retVal = mCondVar.wait(mMutex, millisec);
+ return retVal;
+ }
+
+ /*******************************************************************************
+ **
+ ** Function: notifyOne
+ **
+ ** Description: Notify a blocked thread that the event has occurred.
+ *Unblocks it.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ void notifyOne() { mCondVar.notifyOne(); }
+
+ /*******************************************************************************
+ **
+ ** Function: end
+ **
+ ** Description: End a synchronization operation.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ void end() { mMutex.unlock(); }
+
+ private:
+ CondVar mCondVar;
+ std::mutex mMutex;
+};
+
+/*****************************************************************************/
+/*****************************************************************************/
+
+/*****************************************************************************
+**
+** Name: SyncEventGuard
+**
+** Description: Automatically start and end a synchronization event.
+**
+*****************************************************************************/
+class SyncEventGuard {
+ public:
+ /*******************************************************************************
+ **
+ ** Function: SyncEventGuard
+ **
+ ** Description: Start a synchronization operation.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ SyncEventGuard(SyncEvent& event) : mEvent(event) {
+ event.start(); // automatically start operation
+ };
+
+ /*******************************************************************************
+ **
+ ** Function: ~SyncEventGuard
+ **
+ ** Description: End a synchronization operation.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ ~SyncEventGuard() {
+ mEvent.end(); // automatically end operation
+ };
+
+ private:
+ SyncEvent& mEvent;
+};