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input_common/udp: Port various changes from yuzu (#5133)

This commit is contained in:
Tobias 2020-04-17 02:50:28 +02:00 committed by GitHub
parent 026a63bcf7
commit 32cbb1bc77
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 102 additions and 82 deletions
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2
src/common/thread.h
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@ -30,7 +30,7 @@ public:
template <class Duration>
bool WaitFor(const std::chrono::duration<Duration>& time) {
std::unique_lock lk(mutex);
std::unique_lock lk{mutex};
if (!condvar.wait_for(lk, time, [this] { return is_set; }))
return false;
is_set = false;

49
src/input_common/udp/client.cpp
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@ -32,8 +32,16 @@ public:
SocketCallback callback)
: callback(std::move(callback)), timer(io_service),
socket(io_service, udp::endpoint(udp::v4(), 0)), client_id(client_id),
pad_index(pad_index),
send_endpoint(udp::endpoint(boost::asio::ip::make_address_v4(host), port)) {}
pad_index(pad_index) {
boost::system::error_code ec{};
auto ipv4 = boost::asio::ip::make_address_v4(host, ec);
if (ec.value() != boost::system::errc::success) {
LOG_ERROR(Input, "Invalid IPv4 address \"{}\" provided to socket", host);
ipv4 = boost::asio::ip::address_v4{};
}
send_endpoint = {udp::endpoint(ipv4, port)};
}
void Stop() {
io_service.stop();
@ -85,17 +93,18 @@ private:
}
void HandleSend(const boost::system::error_code& error) {
boost::system::error_code _ignored{};
// Send a request for getting port info for the pad
Request::PortInfo port_info{1, {pad_index, 0, 0, 0}};
auto port_message = Request::Create(port_info, client_id);
const auto port_message = Request::Create(port_info, client_id);
std::memcpy(&send_buffer1, &port_message, PORT_INFO_SIZE);
std::size_t len = socket.send_to(boost::asio::buffer(send_buffer1), send_endpoint);
socket.send_to(boost::asio::buffer(send_buffer1), send_endpoint, {}, _ignored);
// Send a request for getting pad data for the pad
Request::PadData pad_data{Request::PadData::Flags::Id, pad_index, EMPTY_MAC_ADDRESS};
auto pad_message = Request::Create(pad_data, client_id);
const auto pad_message = Request::Create(pad_data, client_id);
std::memcpy(send_buffer2.data(), &pad_message, PAD_DATA_SIZE);
std::size_t len2 = socket.send_to(boost::asio::buffer(send_buffer2), send_endpoint);
socket.send_to(boost::asio::buffer(send_buffer2), send_endpoint, {}, _ignored);
StartSend(timer.expiry());
}
@ -104,8 +113,8 @@ private:
boost::asio::basic_waitable_timer<clock> timer;
udp::socket socket;
u32 client_id;
u8 pad_index;
u32 client_id{};
u8 pad_index{};
static constexpr std::size_t PORT_INFO_SIZE = sizeof(Message<Request::PortInfo>);
static constexpr std::size_t PAD_DATA_SIZE = sizeof(Message<Request::PadData>);
@ -170,16 +179,16 @@ void Client::OnPadData(Response::PadData data) {
// TODO: add a setting for "click" touch. Click touch refers to a device that differentiates
// between a simple "tap" and a hard press that causes the touch screen to click.
bool is_active = data.touch_1.is_active != 0;
const bool is_active = data.touch_1.is_active != 0;
float x = 0;
float y = 0;
if (is_active && status->touch_calibration) {
u16 min_x = status->touch_calibration->min_x;
u16 max_x = status->touch_calibration->max_x;
u16 min_y = status->touch_calibration->min_y;
u16 max_y = status->touch_calibration->max_y;
const u16 min_x = status->touch_calibration->min_x;
const u16 max_x = status->touch_calibration->max_x;
const u16 min_y = status->touch_calibration->min_y;
const u16 max_y = status->touch_calibration->max_y;
x = (std::clamp(static_cast<u16>(data.touch_1.x), min_x, max_x) - min_x) /
static_cast<float>(max_x - min_x);
@ -212,10 +221,11 @@ void TestCommunication(const std::string& host, u16 port, u8 pad_index, u32 clie
bool result = success_event.WaitFor(std::chrono::seconds(8));
socket.Stop();
worker_thread.join();
if (result)
if (result) {
success_callback();
else
} else {
failure_callback();
}
})
.detach();
}
@ -228,8 +238,10 @@ CalibrationConfigurationJob::CalibrationConfigurationJob(
std::thread([=] {
constexpr u16 CALIBRATION_THRESHOLD = 100;
u16 min_x{UINT16_MAX}, min_y{UINT16_MAX};
u16 max_x, max_y;
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 version) {}, [](Response::PortInfo info) {},
@ -239,8 +251,9 @@ CalibrationConfigurationJob::CalibrationConfigurationJob(
current_status = Status::Ready;
status_callback(current_status);
}
if (!data.touch_1.is_active)
if (!data.touch_1.is_active) {
return;
}
LOG_DEBUG(Input, "Current touch: {} {}", data.touch_1.x,
data.touch_1.y);
min_x = std::min(min_x, static_cast<u16>(data.touch_1.x));

12
src/input_common/udp/client.h
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@ -17,8 +17,8 @@
namespace InputCommon::CemuhookUDP {
static constexpr u16 DEFAULT_PORT = 26760;
static constexpr const char* DEFAULT_ADDR = "127.0.0.1";
constexpr u16 DEFAULT_PORT = 26760;
constexpr char DEFAULT_ADDR[] = "127.0.0.1";
class Socket;
@ -35,10 +35,10 @@ struct DeviceStatus {
// calibration data for scaling the device's touch area to 3ds
struct CalibrationData {
u16 min_x;
u16 min_y;
u16 max_x;
u16 max_y;
u16 min_x{};
u16 min_y{};
u16 max_x{};
u16 max_y{};
};
std::optional<CalibrationData> touch_calibration;
};

17
src/input_common/udp/protocol.cpp
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@ -9,7 +9,7 @@
namespace InputCommon::CemuhookUDP {
static const std::size_t GetSizeOfResponseType(Type t) {
static constexpr std::size_t GetSizeOfResponseType(Type t) {
switch (t) {
case Type::Version:
return sizeof(Response::Version);
@ -31,22 +31,21 @@ namespace Response {
*/
std::optional<Type> Validate(u8* data, std::size_t size) {
if (size < sizeof(Header)) {
LOG_DEBUG(Input, "Invalid UDP packet received");
return {};
return std::nullopt;
}
Header header;
Header header{};
std::memcpy(&header, data, sizeof(Header));
if (header.magic != SERVER_MAGIC) {
LOG_ERROR(Input, "UDP Packet has an unexpected magic value");
return {};
return std::nullopt;
}
if (header.protocol_version != PROTOCOL_VERSION) {
LOG_ERROR(Input, "UDP Packet protocol mismatch");
return {};
return std::nullopt;
}
if (header.type < Type::Version || header.type > Type::PadData) {
LOG_ERROR(Input, "UDP Packet is an unknown type");
return {};
return std::nullopt;
}
// Packet size must equal sizeof(Header) + sizeof(Data)
@ -59,7 +58,7 @@ std::optional<Type> Validate(u8* data, std::size_t size) {
Input,
"UDP Packet payload length doesn't match. Received: {} PayloadLength: {} Expected: {}",
size, header.payload_length, data_len + sizeof(Type));
return {};
return std::nullopt;
}
const u32 crc32 = header.crc;
@ -70,7 +69,7 @@ std::optional<Type> Validate(u8* data, std::size_t size) {
result.process_bytes(data, data_len + sizeof(Header));
if (crc32 != result.checksum()) {
LOG_ERROR(Input, "UDP Packet CRC check failed. Offset: {}", offsetof(Header, crc));
return {};
return std::nullopt;
}
return header.type;
}

101
src/input_common/udp/protocol.h
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@ -25,15 +25,15 @@ enum class Type : u32 {
};
struct Header {
u32_le magic;
u16_le protocol_version;
u16_le payload_length;
u32_le crc;
u32_le id;
u32_le magic{};
u16_le protocol_version{};
u16_le payload_length{};
u32_le crc{};
u32_le id{};
///> In the protocol, the type of the packet is not part of the header, but its convenient to
///> include in the header so the callee doesn't have to duplicate the type twice when building
///> the data
Type type;
Type type{};
};
static_assert(sizeof(Header) == 20, "UDP Message Header struct has wrong size");
static_assert(std::is_trivially_copyable_v<Header>, "UDP Message Header is not trivially copyable");
@ -44,7 +44,7 @@ constexpr MacAddress EMPTY_MAC_ADDRESS = {0, 0, 0, 0, 0, 0};
#pragma pack(push, 1)
template <typename T>
struct Message {
Header header;
Header header{};
T data;
};
#pragma pack(pop)
@ -63,7 +63,7 @@ struct Version {};
*/
constexpr u32 MAX_PORTS = 4;
struct PortInfo {
u32_le pad_count; ///> Number of ports to request data for
u32_le pad_count{}; ///> Number of ports to request data for
std::array<u8, MAX_PORTS> port;
};
static_assert(std::is_trivially_copyable_v<PortInfo>,
@ -81,9 +81,9 @@ struct PadData {
Mac,
};
/// Determines which method will be used as a look up for the controller
Flags flags;
Flags flags{};
/// Index of the port of the controller to retrieve data about
u8 port_id;
u8 port_id{};
/// Mac address of the controller to retrieve data about
MacAddress mac;
};
@ -112,20 +112,20 @@ Message<T> Create(const T data, const u32 client_id = 0) {
namespace Response {
struct Version {
u16_le version;
u16_le version{};
};
static_assert(sizeof(Version) == 2, "UDP Response Version struct has wrong size");
static_assert(std::is_trivially_copyable_v<Version>,
"UDP Response Version is not trivially copyable");
struct PortInfo {
u8 id;
u8 state;
u8 model;
u8 connection_type;
u8 id{};
u8 state{};
u8 model{};
u8 connection_type{};
MacAddress mac;
u8 battery;
u8 is_pad_active;
u8 battery{};
u8 is_pad_active{};
};
static_assert(sizeof(PortInfo) == 12, "UDP Response PortInfo struct has wrong size");
static_assert(std::is_trivially_copyable_v<PortInfo>,
@ -133,10 +133,10 @@ static_assert(std::is_trivially_copyable_v<PortInfo>,
#pragma pack(push, 1)
struct PadData {
PortInfo info;
u32_le packet_counter;
PortInfo info{};
u32_le packet_counter{};
u16_le digital_button;
u16_le digital_button{};
// The following union isn't trivially copyable but we don't use this input anyway.
// union DigitalButton {
// u16_le button;
@ -160,46 +160,46 @@ struct PadData {
u8 home;
/// If the device supports a "click" on the touchpad, this will change to 1 when a click happens
u8 touch_hard_press;
u8 left_stick_x;
u8 left_stick_y;
u8 right_stick_x;
u8 right_stick_y;
u8 touch_hard_press{};
u8 left_stick_x{};
u8 left_stick_y{};
u8 right_stick_x{};
u8 right_stick_y{};
struct AnalogButton {
u8 button_8;
u8 button_7;
u8 button_6;
u8 button_5;
u8 button_12;
u8 button_11;
u8 button_10;
u8 button_9;
u8 button_16;
u8 button_15;
u8 button_14;
u8 button_13;
u8 button_8{};
u8 button_7{};
u8 button_6{};
u8 button_5{};
u8 button_12{};
u8 button_11{};
u8 button_10{};
u8 button_9{};
u8 button_16{};
u8 button_15{};
u8 button_14{};
u8 button_13{};
} analog_button;
struct TouchPad {
u8 is_active;
u8 id;
u16_le x;
u16_le y;
u8 is_active{};
u8 id{};
u16_le x{};
u16_le y{};
} touch_1, touch_2;
u64_le motion_timestamp;
struct Accelerometer {
float x;
float y;
float z;
float x{};
float y{};
float z{};
} accel;
struct Gyroscope {
float pitch;
float yaw;
float roll;
float pitch{};
float yaw{};
float roll{};
} gyro;
};
#pragma pack(pop)
@ -211,6 +211,13 @@ static_assert(std::is_trivially_copyable_v<PadData>,
static_assert(sizeof(Message<PadData>) == MAX_PACKET_SIZE,
"UDP MAX_PACKET_SIZE is no longer larger than Message<PadData>");
static_assert(sizeof(PadData::AnalogButton) == 12,
"UDP Response AnalogButton struct has wrong size ");
static_assert(sizeof(PadData::TouchPad) == 6, "UDP Response TouchPad struct has wrong size ");
static_assert(sizeof(PadData::Accelerometer) == 12,
"UDP Response Accelerometer struct has wrong size ");
static_assert(sizeof(PadData::Gyroscope) == 12, "UDP Response Gyroscope struct has wrong size ");
/**
* Create a Response Message from the data
* @param data array of bytes sent from the server

3
src/input_common/udp/udp.cpp
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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include <mutex>
#include <optional>
#include <tuple>
#include "common/param_package.h"
#include "core/frontend/input.h"
@ -43,7 +44,7 @@ public:
std::unique_ptr<Input::TouchDevice> Create(const Common::ParamPackage& params) override {
{
std::lock_guard guard(status->update_mutex);
status->touch_calibration.emplace();
status->touch_calibration = DeviceStatus::CalibrationData{};
// These default values work well for DS4 but probably not other touch inputs
status->touch_calibration->min_x = params.Get("min_x", 100);
status->touch_calibration->min_y = params.Get("min_y", 50);