Vehicle HAL reference impl Part I
Implemented:
- defined VehicleHal
- object pool for VehiclePropValue objects
- batching of vehicle HAL events
- subscription management
Test: unit tests provided
Bug: b/31971746
Change-Id: Idd2d0aee7b32a975c3db54812be235e13f52905a
diff --git a/vehicle/2.0/default/tests/VehicleHalTestUtils.h b/vehicle/2.0/default/tests/VehicleHalTestUtils.h
new file mode 100644
index 0000000..b3b3ffa
--- /dev/null
+++ b/vehicle/2.0/default/tests/VehicleHalTestUtils.h
@@ -0,0 +1,244 @@
+/*
+ * 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 android_hardware_vehicle_V2_0_VehicleDebugUtils_H_
+#define android_hardware_vehicle_V2_0_VehicleDebugUtils_H_
+
+#include <android/hardware/vehicle/2.0/types.h>
+#include <vehicle_hal_manager/VehicleUtils.h>
+#include <ios>
+#include <sstream>
+
+namespace android {
+namespace hardware {
+namespace vehicle {
+namespace V2_0 {
+
+const VehiclePropConfig kVehicleProperties[] = {
+ {
+ .prop = VehicleProperty::INFO_MAKE,
+ .access = VehiclePropertyAccess::READ,
+ .changeMode = VehiclePropertyChangeMode::STATIC,
+ .permissionModel = VehiclePermissionModel::OEM_ONLY,
+ .configString = "Some=config,options=if,you=have_any",
+ },
+
+ {
+ .prop = VehicleProperty::HVAC_FAN_SPEED,
+ .access = VehiclePropertyAccess::READ_WRITE,
+ .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
+ .permissionModel = VehiclePermissionModel::NO_RESTRICTION,
+ .supportedAreas = static_cast<int32_t>(
+ VehicleAreaZone::ROW_1_LEFT | VehicleAreaZone::ROW_1_RIGHT),
+ .areaConfigs = init_hidl_vec({
+ VehicleAreaConfig {
+ .areaId = val(
+ VehicleAreaZone::ROW_2_LEFT),
+ .minInt32Value = 1,
+ .maxInt32Value = 7},
+ VehicleAreaConfig {
+ .areaId = val(
+ VehicleAreaZone::ROW_1_RIGHT),
+ .minInt32Value = 1,
+ .maxInt32Value = 5,
+ }
+ }),
+ },
+
+ {
+ .prop = VehicleProperty::INFO_FUEL_CAPACITY,
+ .access = VehiclePropertyAccess::READ,
+ .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
+ .permissionModel = VehiclePermissionModel::OEM_ONLY,
+ .areaConfigs = init_hidl_vec({
+ VehicleAreaConfig {
+ .minFloatValue = 0,
+ .maxFloatValue = 1.0
+ }
+ })
+ },
+
+ {
+ .prop = VehicleProperty::DISPLAY_BRIGHTNESS,
+ .access = VehiclePropertyAccess::READ_WRITE,
+ .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
+ .permissionModel = VehiclePermissionModel::OEM_ONLY,
+ .areaConfigs = init_hidl_vec({
+ VehicleAreaConfig {
+ .minInt32Value = 0,
+ .maxInt32Value = 10
+ }
+ })
+ }
+};
+
+constexpr auto kTimeout = std::chrono::milliseconds(500);
+
+class MockedVehicleCallback : public IVehicleCallback {
+public:
+ // Methods from ::android::hardware::vehicle::V2_0::IVehicleCallback follow.
+ Return<void> onPropertyEvent(
+ const hidl_vec<VehiclePropValue>& values) override {
+ {
+ MuxGuard g(mLock);
+ mReceivedEvents.push_back(values);
+ }
+ mEventCond.notify_one();
+ return Return<void>();
+ }
+ Return<void> onPropertySet(const VehiclePropValue& value) override {
+ return Return<void>();
+ }
+ Return<void> onError(StatusCode errorCode,
+ VehicleProperty propId,
+ VehiclePropertyOperation operation) override {
+ return Return<void>();
+ }
+
+ bool waitForExpectedEvents(size_t expectedEvents) {
+ std::unique_lock<std::mutex> g(mLock);
+
+ if (expectedEvents == 0 && mReceivedEvents.size() == 0) {
+ // No events expected, let's sleep a little bit to make sure
+ // nothing will show up.
+ return mEventCond.wait_for(g, kTimeout) == std::cv_status::timeout;
+ }
+
+ while (expectedEvents != mReceivedEvents.size()) {
+ if (mEventCond.wait_for(g, kTimeout) == std::cv_status::timeout) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ void reset() {
+ mReceivedEvents.clear();
+ }
+
+ const std::vector<hidl_vec<VehiclePropValue>>& getReceivedEvents() {
+ return mReceivedEvents;
+ }
+
+private:
+ using MuxGuard = std::lock_guard<std::mutex>;
+
+ std::mutex mLock;
+ std::condition_variable mEventCond;
+ std::vector<hidl_vec<VehiclePropValue>> mReceivedEvents;
+};
+
+template<typename T>
+inline std::string hexString(T value) {
+ std::stringstream ss;
+ ss << std::showbase << std::hex << value;
+ return ss.str();
+}
+
+template <typename T, typename Collection>
+inline void assertAllExistsAnyOrder(
+ std::initializer_list<T> expected,
+ const Collection& actual,
+ const char* msg) {
+ std::set<T> expectedSet = expected;
+
+ for (auto a: actual) {
+ ASSERT_EQ(1u, expectedSet.erase(a))
+ << msg << "\nContains not unexpected value.\n";
+ }
+
+ ASSERT_EQ(0u, expectedSet.size())
+ << msg
+ << "\nDoesn't contain expected value.";
+}
+
+#define ASSERT_ALL_EXISTS(...) \
+ assertAllExistsAnyOrder(__VA_ARGS__, (std::string("Called from: ") + \
+ std::string(__FILE__) + std::string(":") + \
+ std::to_string(__LINE__)).c_str()); \
+
+template<typename T>
+inline std::string enumToHexString(T value) {
+ return hexString(val(value));
+}
+
+template <typename T>
+inline std::string toString(const hidl_vec<T>& vec) {
+ std::stringstream ss("[");
+ for (size_t i = 0; i < vec.size(); i++) {
+ if (i != 0) ss << ",";
+ ss << vec[i];
+ }
+ ss << "]";
+ return ss.str();
+}
+
+inline std::string toString(const VehiclePropValue &v) {
+ std::stringstream ss;
+ ss << "VehiclePropValue {n"
+ << " prop: " << enumToHexString(v.prop) << ",\n"
+ << " areaId: " << hexString(v.areaId) << ",\n"
+ << " timestamp: " << v.timestamp << ",\n"
+ << " value {\n"
+ << " int32Values: " << toString(v.value.int32Values) << ",\n"
+ << " floatValues: " << toString(v.value.floatValues) << ",\n"
+ << " int64Values: " << toString(v.value.int64Values) << ",\n"
+ << " bytes: " << toString(v.value.bytes) << ",\n"
+ << " string: " << v.value.stringValue.c_str() << ",\n"
+ << " }\n"
+ << "}\n";
+
+ return ss.str();
+}
+
+inline std::string toString(const VehiclePropConfig &config) {
+ std::stringstream ss;
+ ss << "VehiclePropConfig {\n"
+ << " prop: " << enumToHexString(config.prop) << ",\n"
+ << " supportedAreas: " << hexString(config.supportedAreas) << ",\n"
+ << " access: " << enumToHexString(config.access) << ",\n"
+ << " permissionModel: " << enumToHexString(config.permissionModel) << ",\n"
+ << " changeMode: " << enumToHexString(config.changeMode) << ",\n"
+ << " configFlags: " << hexString(config.configFlags) << ",\n"
+ << " minSampleRate: " << config.minSampleRate << ",\n"
+ << " maxSampleRate: " << config.maxSampleRate << ",\n"
+ << " configString: " << config.configString.c_str() << ",\n";
+
+ ss << " areaConfigs {\n";
+ for (size_t i = 0; i < config.areaConfigs.size(); i++) {
+ const auto &area = config.areaConfigs[i];
+ ss << " areaId: " << hexString(area.areaId) << ",\n"
+ << " minFloatValue: " << area.minFloatValue << ",\n"
+ << " minFloatValue: " << area.maxFloatValue << ",\n"
+ << " minInt32Value: " << area.minInt32Value << ",\n"
+ << " minInt32Value: " << area.maxInt32Value << ",\n"
+ << " minInt64Value: " << area.minInt64Value << ",\n"
+ << " minInt64Value: " << area.maxInt64Value << ",\n";
+ }
+ ss << " }\n"
+ << "}\n";
+
+ return ss.str();
+}
+
+
+} // namespace V2_0
+} // namespace vehicle
+} // namespace hardware
+} // namespace android
+
+
+#endif //VEHICLEHALDEBUGUTILS_H