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/*
* Copyright (C) 2021 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 <chrono>
#include <fstream>
#include <thread>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <android-base/file.h>
#include <android/hardware/automotive/vehicle/2.0/types.h>
#include <gtest/gtest.h>
#include "GrpcVehicleClient.h"
#include "GrpcVehicleServer.h"
#include "Utils.h"
#include "vhal_v2_0/VehicleUtils.h"
namespace android::hardware::automotive::vehicle::V2_0::impl {
class GrpcServerTest : public ::testing::Test {
public:
GrpcServerTest()
: mPowerStateSocketForTest(std::string(mTestTempDir.path) +
std::string("/power_state_socket_for_test_") +
std::to_string(getpid())),
mServerInfo({{GetTestCID(), 12345},
mPowerStateMarkerFileForTest.path,
mPowerStateSocketForTest}) {}
void SetUp() override {
mGrpcServer = makeGrpcVehicleServer(mServerInfo);
ASSERT_TRUE(GetGrpcServer() != nullptr);
GetGrpcServer()->Start();
}
void TearDown() override {
GetGrpcServer()->Stop().Wait();
mGrpcServer.reset();
}
static unsigned GetTestCID();
GrpcVehicleServer* GetGrpcServer() const { return mGrpcServer.get(); }
std::string GetGrpcServerUri() const { return mServerInfo.getServerUri(); }
std::string GetPowerStateSocketPath() const { return mPowerStateSocketForTest; }
std::string GetPowerStateMarkerFilePath() const {
return std::string(mPowerStateMarkerFileForTest.path);
}
void SendDummyValueFromServer();
void ExpectActivePropValueStreamNum(unsigned expected);
void WriteToPowerStateSocket(const std::string& val);
std::string ReadFromPowerStateMarkerFile() const;
private:
TemporaryDir mTestTempDir;
TemporaryFile mPowerStateMarkerFileForTest;
std::string mPowerStateSocketForTest{};
GrpcVehicleServerPtr mGrpcServer{nullptr};
VirtualizedVhalServerInfo mServerInfo;
};
unsigned GrpcServerTest::GetTestCID() {
// TODO(chenhaosjtuacm): find a way to get the local CID
return 1000;
}
void GrpcServerTest::SendDummyValueFromServer() {
VehiclePropValue value;
value.prop = toInt(VehicleProperty::INVALID);
GetGrpcServer()->onPropertyValueFromCar(value, false);
}
void GrpcServerTest::ExpectActivePropValueStreamNum(unsigned expected) {
// Force the server to refresh streams
SendDummyValueFromServer();
std::this_thread::sleep_for(std::chrono::seconds(1));
EXPECT_EQ(GetGrpcServer()->NumOfActivePropertyValueStream(), expected);
}
void GrpcServerTest::WriteToPowerStateSocket(const std::string& val) {
int power_socket_fd = socket(AF_UNIX, SOCK_STREAM, 0);
ASSERT_GE(power_socket_fd, 0);
struct sockaddr_un addr;
std::memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
std::string socket_path = GetPowerStateSocketPath();
std::strncpy(addr.sun_path, socket_path.c_str(), socket_path.length() + 1);
sync();
ASSERT_EQ(connect(power_socket_fd, reinterpret_cast<struct sockaddr*>(&addr), sizeof(addr)), 0);
EXPECT_EQ(write(power_socket_fd, val.c_str(), val.length()),
static_cast<ssize_t>(val.length()));
close(power_socket_fd);
}
std::string GrpcServerTest::ReadFromPowerStateMarkerFile() const {
std::ifstream stream(GetPowerStateMarkerFilePath());
std::string val;
stream >> val;
return val;
}
TEST_F(GrpcServerTest, PropertyValueStreamTest) {
ExpectActivePropValueStreamNum(0);
{
auto client1 = makeGrpcVehicleClient(GetGrpcServerUri());
ExpectActivePropValueStreamNum(1);
{
auto client2 = makeGrpcVehicleClient(GetGrpcServerUri());
ExpectActivePropValueStreamNum(2);
}
ExpectActivePropValueStreamNum(1);
}
ExpectActivePropValueStreamNum(0);
}
TEST_F(GrpcServerTest, PowerStateListenerTest) {
{
std::string power_state_str = "ok";
WriteToPowerStateSocket(power_state_str);
std::this_thread::sleep_for(std::chrono::seconds(1));
EXPECT_EQ(ReadFromPowerStateMarkerFile(), power_state_str);
}
{
std::string power_state_str = "shutdown";
WriteToPowerStateSocket(power_state_str);
std::this_thread::sleep_for(std::chrono::seconds(1));
EXPECT_EQ(ReadFromPowerStateMarkerFile(), power_state_str);
}
}
} // namespace android::hardware::automotive::vehicle::V2_0::impl
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