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/*
* 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.
*/
#ifndef WIFICOND_TESTS_INTEGRATION_TEST_BINDER_DISPATCHER_H_
#define WIFICOND_TESTS_INTEGRATION_TEST_BINDER_DISPATCHER_H_
#include <unistd.h>
#include <android-base/logging.h>
#include <android-base/macros.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/ProcessState.h>
#include "looper_backed_event_loop.h"
namespace android {
namespace wificond {
namespace tests {
namespace integration {
// Class to use for waiting for binder callbacks during integration tests.
//
// The class provides function to:
// 1. |DispatchFor|: Process binder events for the provided timeout_millis or
// until interrupted by |InterruptDispatch|.
// 2. |InterruptDispatch|: Indicate the occurence of the required event.
//
// The |DispatchFor| is meant to be called from within the tests, while the
// |InterruptDispatch| is expected to be called from the appropriate binder
// object callback.
class BinderDispatcher {
public:
BinderDispatcher();
~BinderDispatcher();
// Dispatch binder events for |timeout_millis| or until interrupted by
// a call to |InterruptDispatch|.
// Returns true if interrupted, false otherwise.
bool DispatchFor(int timeout_millis);
// Interrupt the |DispatchFor| method when the required event is found.
void InterruptDispatch();
private:
// Prepare the thread for receiving binder events and setup the looper.
void Init();
void OnBinderEvent(int fd);
std::unique_ptr<LooperBackedEventLoop> event_dispatcher_;
// This fd is reinitialized for every test, by tearing down the static
// |ProcessState| instance associated with this process after every test.
int binder_fd_;
bool needs_init_;
bool was_interrupted_;
DISALLOW_COPY_AND_ASSIGN(BinderDispatcher);
};
} // namespace integration
} // namespace tests
} // namespace wificond
} // namespace android
#endif // WIFICOND_TESTS_INTEGRATION_TEST_BINDER_DISPATCHER_H_