|  | /* | 
|  | * Copyright (C) 2019 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. | 
|  | */ | 
|  |  | 
|  | #include <benchmark/benchmark.h> | 
|  |  | 
|  | #include <android/os/IInputConstants.h> | 
|  | #include <binder/Binder.h> | 
|  | #include <gui/constants.h> | 
|  | #include "../dispatcher/InputDispatcher.h" | 
|  |  | 
|  | using android::gui::WindowInfo; | 
|  | using android::gui::WindowInfoHandle; | 
|  | using android::os::IInputConstants; | 
|  | using android::os::InputEventInjectionResult; | 
|  | using android::os::InputEventInjectionSync; | 
|  |  | 
|  | namespace android::inputdispatcher { | 
|  |  | 
|  | // An arbitrary device id. | 
|  | static const int32_t DEVICE_ID = 1; | 
|  |  | 
|  | // An arbitrary injector pid / uid pair that has permission to inject events. | 
|  | static const int32_t INJECTOR_PID = 999; | 
|  | static const int32_t INJECTOR_UID = 1001; | 
|  |  | 
|  | static constexpr std::chrono::duration INJECT_EVENT_TIMEOUT = 5s; | 
|  | static constexpr std::chrono::nanoseconds DISPATCHING_TIMEOUT = 100ms; | 
|  |  | 
|  | static nsecs_t now() { | 
|  | return systemTime(SYSTEM_TIME_MONOTONIC); | 
|  | } | 
|  |  | 
|  | // --- FakeInputDispatcherPolicy --- | 
|  |  | 
|  | class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface { | 
|  | public: | 
|  | FakeInputDispatcherPolicy() {} | 
|  |  | 
|  | protected: | 
|  | virtual ~FakeInputDispatcherPolicy() {} | 
|  |  | 
|  | private: | 
|  | void notifyConfigurationChanged(nsecs_t) override {} | 
|  |  | 
|  | void notifyNoFocusedWindowAnr( | 
|  | const std::shared_ptr<InputApplicationHandle>& applicationHandle) override { | 
|  | ALOGE("There is no focused window for %s", applicationHandle->getName().c_str()); | 
|  | } | 
|  |  | 
|  | void notifyWindowUnresponsive(const sp<IBinder>& connectionToken, | 
|  | const std::string& reason) override { | 
|  | ALOGE("Window is not responding: %s", reason.c_str()); | 
|  | } | 
|  |  | 
|  | void notifyWindowResponsive(const sp<IBinder>& connectionToken) override {} | 
|  |  | 
|  | void notifyMonitorUnresponsive(int32_t pid, const std::string& reason) override { | 
|  | ALOGE("Monitor is not responding: %s", reason.c_str()); | 
|  | } | 
|  |  | 
|  | void notifyMonitorResponsive(int32_t pid) override {} | 
|  |  | 
|  | void notifyInputChannelBroken(const sp<IBinder>&) override {} | 
|  |  | 
|  | void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {} | 
|  |  | 
|  | void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType, | 
|  | InputDeviceSensorAccuracy accuracy, nsecs_t timestamp, | 
|  | const std::vector<float>& values) override {} | 
|  |  | 
|  | void notifySensorAccuracy(int32_t deviceId, InputDeviceSensorType sensorType, | 
|  | InputDeviceSensorAccuracy accuracy) override {} | 
|  |  | 
|  | void notifyVibratorState(int32_t deviceId, bool isOn) override {} | 
|  |  | 
|  | void notifyUntrustedTouch(const std::string& obscuringPackage) override {} | 
|  |  | 
|  | void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override { | 
|  | *outConfig = mConfig; | 
|  | } | 
|  |  | 
|  | bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) override { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | void interceptKeyBeforeQueueing(const KeyEvent*, uint32_t&) override {} | 
|  |  | 
|  | void interceptMotionBeforeQueueing(int32_t, nsecs_t, uint32_t&) override {} | 
|  |  | 
|  | nsecs_t interceptKeyBeforeDispatching(const sp<IBinder>&, const KeyEvent*, uint32_t) override { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | bool dispatchUnhandledKey(const sp<IBinder>&, const KeyEvent*, uint32_t, KeyEvent*) override { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | void notifySwitch(nsecs_t, uint32_t, uint32_t, uint32_t) override {} | 
|  |  | 
|  | void pokeUserActivity(nsecs_t, int32_t, int32_t) override {} | 
|  |  | 
|  | bool checkInjectEventsPermissionNonReentrant(int32_t, int32_t) override { return false; } | 
|  |  | 
|  | void onPointerDownOutsideFocus(const sp<IBinder>& newToken) override {} | 
|  |  | 
|  | void setPointerCapture(const PointerCaptureRequest&) override {} | 
|  |  | 
|  | void notifyDropWindow(const sp<IBinder>&, float x, float y) override {} | 
|  |  | 
|  | InputDispatcherConfiguration mConfig; | 
|  | }; | 
|  |  | 
|  | class FakeApplicationHandle : public InputApplicationHandle { | 
|  | public: | 
|  | FakeApplicationHandle() {} | 
|  | virtual ~FakeApplicationHandle() {} | 
|  |  | 
|  | virtual bool updateInfo() { | 
|  | mInfo.dispatchingTimeoutMillis = | 
|  | std::chrono::duration_cast<std::chrono::milliseconds>(DISPATCHING_TIMEOUT).count(); | 
|  | return true; | 
|  | } | 
|  | }; | 
|  |  | 
|  | class FakeInputReceiver { | 
|  | public: | 
|  | void consumeEvent() { | 
|  | uint32_t consumeSeq = 0; | 
|  | InputEvent* event; | 
|  |  | 
|  | std::chrono::time_point start = std::chrono::steady_clock::now(); | 
|  | status_t result = WOULD_BLOCK; | 
|  | while (result == WOULD_BLOCK) { | 
|  | std::chrono::duration elapsed = std::chrono::steady_clock::now() - start; | 
|  | if (elapsed > 10ms) { | 
|  | ALOGE("Waited too long for consumer to produce an event, giving up"); | 
|  | break; | 
|  | } | 
|  | result = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, -1, &consumeSeq, | 
|  | &event); | 
|  | } | 
|  | if (result != OK) { | 
|  | ALOGE("Received result = %d from consume()", result); | 
|  | } | 
|  | result = mConsumer->sendFinishedSignal(consumeSeq, true); | 
|  | if (result != OK) { | 
|  | ALOGE("Received result = %d from sendFinishedSignal", result); | 
|  | } | 
|  | } | 
|  |  | 
|  | protected: | 
|  | explicit FakeInputReceiver(const sp<InputDispatcher>& dispatcher, const std::string name) | 
|  | : mDispatcher(dispatcher) { | 
|  | mClientChannel = *mDispatcher->createInputChannel(name); | 
|  | mConsumer = std::make_unique<InputConsumer>(mClientChannel); | 
|  | } | 
|  |  | 
|  | virtual ~FakeInputReceiver() {} | 
|  |  | 
|  | sp<InputDispatcher> mDispatcher; | 
|  | std::shared_ptr<InputChannel> mClientChannel; | 
|  | std::unique_ptr<InputConsumer> mConsumer; | 
|  | PreallocatedInputEventFactory mEventFactory; | 
|  | }; | 
|  |  | 
|  | class FakeWindowHandle : public WindowInfoHandle, public FakeInputReceiver { | 
|  | public: | 
|  | static const int32_t WIDTH = 200; | 
|  | static const int32_t HEIGHT = 200; | 
|  |  | 
|  | FakeWindowHandle(const std::shared_ptr<InputApplicationHandle>& inputApplicationHandle, | 
|  | const sp<InputDispatcher>& dispatcher, const std::string name) | 
|  | : FakeInputReceiver(dispatcher, name), mFrame(Rect(0, 0, WIDTH, HEIGHT)) { | 
|  | inputApplicationHandle->updateInfo(); | 
|  | updateInfo(); | 
|  | mInfo.applicationInfo = *inputApplicationHandle->getInfo(); | 
|  | } | 
|  |  | 
|  | void updateInfo() { | 
|  | mInfo.token = mClientChannel->getConnectionToken(); | 
|  | mInfo.name = "FakeWindowHandle"; | 
|  | mInfo.type = WindowInfo::Type::APPLICATION; | 
|  | mInfo.dispatchingTimeout = DISPATCHING_TIMEOUT; | 
|  | mInfo.frameLeft = mFrame.left; | 
|  | mInfo.frameTop = mFrame.top; | 
|  | mInfo.frameRight = mFrame.right; | 
|  | mInfo.frameBottom = mFrame.bottom; | 
|  | mInfo.globalScaleFactor = 1.0; | 
|  | mInfo.touchableRegion.clear(); | 
|  | mInfo.addTouchableRegion(mFrame); | 
|  | mInfo.visible = true; | 
|  | mInfo.focusable = true; | 
|  | mInfo.hasWallpaper = false; | 
|  | mInfo.paused = false; | 
|  | mInfo.ownerPid = INJECTOR_PID; | 
|  | mInfo.ownerUid = INJECTOR_UID; | 
|  | mInfo.displayId = ADISPLAY_ID_DEFAULT; | 
|  | } | 
|  |  | 
|  | protected: | 
|  | Rect mFrame; | 
|  | }; | 
|  |  | 
|  | static MotionEvent generateMotionEvent() { | 
|  | PointerProperties pointerProperties[1]; | 
|  | PointerCoords pointerCoords[1]; | 
|  |  | 
|  | pointerProperties[0].clear(); | 
|  | pointerProperties[0].id = 0; | 
|  | pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER; | 
|  |  | 
|  | pointerCoords[0].clear(); | 
|  | pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 100); | 
|  | pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 100); | 
|  |  | 
|  | const nsecs_t currentTime = now(); | 
|  |  | 
|  | ui::Transform identityTransform; | 
|  | MotionEvent event; | 
|  | event.initialize(IInputConstants::INVALID_INPUT_EVENT_ID, DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, | 
|  | ADISPLAY_ID_DEFAULT, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, | 
|  | /* actionButton */ 0, /* flags */ 0, | 
|  | /* edgeFlags */ 0, AMETA_NONE, /* buttonState */ 0, MotionClassification::NONE, | 
|  | identityTransform, /* xPrecision */ 0, | 
|  | /* yPrecision */ 0, AMOTION_EVENT_INVALID_CURSOR_POSITION, | 
|  | AMOTION_EVENT_INVALID_CURSOR_POSITION, ui::Transform::ROT_0, | 
|  | INVALID_DISPLAY_SIZE, INVALID_DISPLAY_SIZE, currentTime, currentTime, | 
|  | /*pointerCount*/ 1, pointerProperties, pointerCoords); | 
|  | return event; | 
|  | } | 
|  |  | 
|  | static NotifyMotionArgs generateMotionArgs() { | 
|  | PointerProperties pointerProperties[1]; | 
|  | PointerCoords pointerCoords[1]; | 
|  |  | 
|  | pointerProperties[0].clear(); | 
|  | pointerProperties[0].id = 0; | 
|  | pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER; | 
|  |  | 
|  | pointerCoords[0].clear(); | 
|  | pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 100); | 
|  | pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 100); | 
|  |  | 
|  | const nsecs_t currentTime = now(); | 
|  | // Define a valid motion event. | 
|  | NotifyMotionArgs args(IInputConstants::INVALID_INPUT_EVENT_ID, currentTime, currentTime, | 
|  | DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, | 
|  | POLICY_FLAG_PASS_TO_USER, AMOTION_EVENT_ACTION_DOWN, | 
|  | /* actionButton */ 0, /* flags */ 0, AMETA_NONE, /* buttonState */ 0, | 
|  | MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1, | 
|  | pointerProperties, pointerCoords, | 
|  | /* xPrecision */ 0, /* yPrecision */ 0, | 
|  | AMOTION_EVENT_INVALID_CURSOR_POSITION, | 
|  | AMOTION_EVENT_INVALID_CURSOR_POSITION, currentTime, /* videoFrames */ {}); | 
|  |  | 
|  | return args; | 
|  | } | 
|  |  | 
|  | static void benchmarkNotifyMotion(benchmark::State& state) { | 
|  | // Create dispatcher | 
|  | sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy(); | 
|  | sp<InputDispatcher> dispatcher = new InputDispatcher(fakePolicy); | 
|  | dispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false); | 
|  | dispatcher->start(); | 
|  |  | 
|  | // Create a window that will receive motion events | 
|  | std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>(); | 
|  | sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window"); | 
|  |  | 
|  | dispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}}); | 
|  |  | 
|  | NotifyMotionArgs motionArgs = generateMotionArgs(); | 
|  |  | 
|  | for (auto _ : state) { | 
|  | // Send ACTION_DOWN | 
|  | motionArgs.action = AMOTION_EVENT_ACTION_DOWN; | 
|  | motionArgs.downTime = now(); | 
|  | motionArgs.eventTime = motionArgs.downTime; | 
|  | dispatcher->notifyMotion(&motionArgs); | 
|  |  | 
|  | // Send ACTION_UP | 
|  | motionArgs.action = AMOTION_EVENT_ACTION_UP; | 
|  | motionArgs.eventTime = now(); | 
|  | dispatcher->notifyMotion(&motionArgs); | 
|  |  | 
|  | window->consumeEvent(); | 
|  | window->consumeEvent(); | 
|  | } | 
|  |  | 
|  | dispatcher->stop(); | 
|  | } | 
|  |  | 
|  | static void benchmarkInjectMotion(benchmark::State& state) { | 
|  | // Create dispatcher | 
|  | sp<FakeInputDispatcherPolicy> fakePolicy = new FakeInputDispatcherPolicy(); | 
|  | sp<InputDispatcher> dispatcher = new InputDispatcher(fakePolicy); | 
|  | dispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false); | 
|  | dispatcher->start(); | 
|  |  | 
|  | // Create a window that will receive motion events | 
|  | std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>(); | 
|  | sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window"); | 
|  |  | 
|  | dispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}}); | 
|  |  | 
|  | for (auto _ : state) { | 
|  | MotionEvent event = generateMotionEvent(); | 
|  | // Send ACTION_DOWN | 
|  | dispatcher->injectInputEvent(&event, INJECTOR_PID, INJECTOR_UID, | 
|  | InputEventInjectionSync::NONE, INJECT_EVENT_TIMEOUT, | 
|  | POLICY_FLAG_FILTERED | POLICY_FLAG_PASS_TO_USER); | 
|  |  | 
|  | // Send ACTION_UP | 
|  | event.setAction(AMOTION_EVENT_ACTION_UP); | 
|  | dispatcher->injectInputEvent(&event, INJECTOR_PID, INJECTOR_UID, | 
|  | InputEventInjectionSync::NONE, INJECT_EVENT_TIMEOUT, | 
|  | POLICY_FLAG_FILTERED | POLICY_FLAG_PASS_TO_USER); | 
|  |  | 
|  | window->consumeEvent(); | 
|  | window->consumeEvent(); | 
|  | } | 
|  |  | 
|  | dispatcher->stop(); | 
|  | } | 
|  |  | 
|  | BENCHMARK(benchmarkNotifyMotion); | 
|  | BENCHMARK(benchmarkInjectMotion); | 
|  |  | 
|  | } // namespace android::inputdispatcher | 
|  |  | 
|  | BENCHMARK_MAIN(); |