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Merge pull request #7302 from VPeruS/check-deadlock

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[input_common] Fixed thread hang
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bunnei 2021-12-17 23:43:19 -08:00 committed by GitHub
commit 212b497d5c
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 188 additions and 42 deletions
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70
src/input_common/drivers/udp_client.cpp
View file

@ -536,42 +536,46 @@ CalibrationConfigurationJob::CalibrationConfigurationJob(
std::function<void(u16, u16, u16, u16)> data_callback) {
std::thread([=, this] {
u16 min_x{UINT16_MAX};
u16 min_y{UINT16_MAX};
u16 max_x{};
u16 max_y{};
Status current_status{Status::Initialized};
SocketCallback callback{
[](Response::Version) {}, [](Response::PortInfo) {},
[&](Response::PadData data) {
static constexpr u16 CALIBRATION_THRESHOLD = 100;
static constexpr u16 MAX_VALUE = UINT16_MAX;
SocketCallback callback{[](Response::Version) {}, [](Response::PortInfo) {},
[&](Response::PadData data) {
constexpr u16 CALIBRATION_THRESHOLD = 100;
if (current_status == Status::Initialized) {
// Receiving data means the communication is ready now
current_status = Status::Ready;
status_callback(current_status);
}
const auto& touchpad_0 = data.touch[0];
if (touchpad_0.is_active == 0) {
return;
}
LOG_DEBUG(Input, "Current touch: {} {}", touchpad_0.x, touchpad_0.y);
const u16 min_x = std::min(MAX_VALUE, static_cast<u16>(touchpad_0.x));
const u16 min_y = std::min(MAX_VALUE, static_cast<u16>(touchpad_0.y));
if (current_status == Status::Ready) {
// First touch - min data (min_x/min_y)
current_status = Status::Stage1Completed;
status_callback(current_status);
}
if (touchpad_0.x - min_x > CALIBRATION_THRESHOLD &&
touchpad_0.y - min_y > CALIBRATION_THRESHOLD) {
// Set the current position as max value and finishes configuration
const u16 max_x = touchpad_0.x;
const u16 max_y = touchpad_0.y;
current_status = Status::Completed;
data_callback(min_x, min_y, max_x, max_y);
status_callback(current_status);
if (current_status == Status::Initialized) {
// Receiving data means the communication is ready now
current_status = Status::Ready;
status_callback(current_status);
}
if (data.touch[0].is_active == 0) {
return;
}
LOG_DEBUG(Input, "Current touch: {} {}", data.touch[0].x,
data.touch[0].y);
min_x = std::min(min_x, static_cast<u16>(data.touch[0].x));
min_y = std::min(min_y, static_cast<u16>(data.touch[0].y));
if (current_status == Status::Ready) {
// First touch - min data (min_x/min_y)
current_status = Status::Stage1Completed;
status_callback(current_status);
}
if (data.touch[0].x - min_x > CALIBRATION_THRESHOLD &&
data.touch[0].y - min_y > CALIBRATION_THRESHOLD) {
// Set the current position as max value and finishes
// configuration
max_x = data.touch[0].x;
max_y = data.touch[0].y;
current_status = Status::Completed;
data_callback(min_x, min_y, max_x, max_y);
status_callback(current_status);
complete_event.Set();
}
}};
complete_event.Set();
}
}};
Socket socket{host, port, std::move(callback)};
std::thread worker_thread{SocketLoop, &socket};
complete_event.Wait();

21
src/input_common/helpers/udp_protocol.h
View file

@ -54,6 +54,18 @@ struct Message {
template <typename T>
constexpr Type GetMessageType();
template <typename T>
Message<T> CreateMessage(const u32 magic, const T data, const u32 sender_id) {
boost::crc_32_type crc;
Header header{
magic, PROTOCOL_VERSION, sizeof(T) + sizeof(Type), 0, sender_id, GetMessageType<T>(),
};
Message<T> message{header, data};
crc.process_bytes(&message, sizeof(Message<T>));
message.header.crc = crc.checksum();
return message;
}
namespace Request {
enum RegisterFlags : u8 {
@ -101,14 +113,7 @@ static_assert(std::is_trivially_copyable_v<PadData>,
*/
template <typename T>
Message<T> Create(const T data, const u32 client_id = 0) {
boost::crc_32_type crc;
Header header{
CLIENT_MAGIC, PROTOCOL_VERSION, sizeof(T) + sizeof(Type), 0, client_id, GetMessageType<T>(),
};
Message<T> message{header, data};
crc.process_bytes(&message, sizeof(Message<T>));
message.header.crc = crc.checksum();
return message;
return CreateMessage(CLIENT_MAGIC, data, client_id);
}
} // namespace Request

3
src/tests/CMakeLists.txt
View file

@ -10,11 +10,12 @@ add_executable(tests
core/network/network.cpp
tests.cpp
video_core/buffer_base.cpp
input_common/calibration_configuration_job.cpp
)
create_target_directory_groups(tests)
target_link_libraries(tests PRIVATE common core)
target_link_libraries(tests PRIVATE common core input_common)
target_link_libraries(tests PRIVATE ${PLATFORM_LIBRARIES} catch-single-include Threads::Threads)
add_test(NAME tests COMMAND tests)

136
src/tests/input_common/calibration_configuration_job.cpp Normal file
View file

@ -0,0 +1,136 @@
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <string>
#include <thread>
#include <boost/asio.hpp>
#include <boost/crc.hpp>
#include <catch2/catch.hpp>
#include "input_common/drivers/udp_client.h"
#include "input_common/helpers/udp_protocol.h"
class FakeCemuhookServer {
public:
FakeCemuhookServer()
: socket(io_service, boost::asio::ip::udp::endpoint(boost::asio::ip::udp::v4(), 0)) {}
~FakeCemuhookServer() {
is_running = false;
boost::system::error_code error_code;
socket.shutdown(boost::asio::socket_base::shutdown_both, error_code);
socket.close();
if (handler.joinable()) {
handler.join();
}
}
u16 GetPort() {
return socket.local_endpoint().port();
}
std::string GetHost() {
return socket.local_endpoint().address().to_string();
}
void Run(const std::vector<InputCommon::CemuhookUDP::Response::TouchPad> touch_movement_path) {
constexpr size_t HeaderSize = sizeof(InputCommon::CemuhookUDP::Header);
constexpr size_t PadDataSize =
sizeof(InputCommon::CemuhookUDP::Message<InputCommon::CemuhookUDP::Response::PadData>);
REQUIRE(touch_movement_path.size() > 0);
is_running = true;
handler = std::thread([touch_movement_path, this]() {
auto current_touch_position = touch_movement_path.begin();
while (is_running) {
boost::asio::ip::udp::endpoint sender_endpoint;
boost::system::error_code error_code;
auto received_size = socket.receive_from(boost::asio::buffer(receive_buffer),
sender_endpoint, 0, error_code);
if (received_size < HeaderSize) {
continue;
}
InputCommon::CemuhookUDP::Header header{};
std::memcpy(&header, receive_buffer.data(), HeaderSize);
switch (header.type) {
case InputCommon::CemuhookUDP::Type::PadData: {
InputCommon::CemuhookUDP::Response::PadData pad_data{};
pad_data.touch[0] = *current_touch_position;
const auto pad_message = InputCommon::CemuhookUDP::CreateMessage(
InputCommon::CemuhookUDP::SERVER_MAGIC, pad_data, 0);
std::memcpy(send_buffer.data(), &pad_message, PadDataSize);
socket.send_to(boost::asio::buffer(send_buffer, PadDataSize), sender_endpoint,
0, error_code);
bool can_advance =
std::next(current_touch_position) != touch_movement_path.end();
if (can_advance) {
std::advance(current_touch_position, 1);
}
break;
}
case InputCommon::CemuhookUDP::Type::PortInfo:
case InputCommon::CemuhookUDP::Type::Version:
default:
break;
}
}
});
}
private:
boost::asio::io_service io_service;
boost::asio::ip::udp::socket socket;
std::array<u8, InputCommon::CemuhookUDP::MAX_PACKET_SIZE> send_buffer;
std::array<u8, InputCommon::CemuhookUDP::MAX_PACKET_SIZE> receive_buffer;
bool is_running = false;
std::thread handler;
};
TEST_CASE("CalibrationConfigurationJob completed", "[input_common]") {
Common::Event complete_event;
FakeCemuhookServer server;
server.Run({{
.is_active = 1,
.x = 0,
.y = 0,
},
{
.is_active = 1,
.x = 200,
.y = 200,
}});
InputCommon::CemuhookUDP::CalibrationConfigurationJob::Status status{};
u16 min_x{};
u16 min_y{};
u16 max_x{};
u16 max_y{};
InputCommon::CemuhookUDP::CalibrationConfigurationJob job(
server.GetHost(), server.GetPort(),
[&status,
&complete_event](InputCommon::CemuhookUDP::CalibrationConfigurationJob::Status status_) {
status = status_;
if (status ==
InputCommon::CemuhookUDP::CalibrationConfigurationJob::Status::Completed) {
complete_event.Set();
}
},
[&](u16 min_x_, u16 min_y_, u16 max_x_, u16 max_y_) {
min_x = min_x_;
min_y = min_y_;
max_x = max_x_;
max_y = max_y_;
});
complete_event.WaitUntil(std::chrono::system_clock::now() + std::chrono::seconds(10));
REQUIRE(status == InputCommon::CemuhookUDP::CalibrationConfigurationJob::Status::Completed);
REQUIRE(min_x == 0);
REQUIRE(min_y == 0);
REQUIRE(max_x == 200);
REQUIRE(max_y == 200);
}