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// Copyright 2018 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <optional>
#include "common/common_types.h"
#include "common/thread.h"
#include "input_common/input_engine.h"
namespace InputCommon::CemuhookUDP {
class Socket;
namespace Response {
struct PadData;
struct PortInfo;
struct TouchPad;
struct Version;
} // namespace Response
enum class PadTouch {
Click,
Undefined,
};
struct UDPPadStatus {
std::string host{"127.0.0.1"};
u16 port{26760};
std::size_t pad_index{};
};
struct DeviceStatus {
std::mutex update_mutex;
// 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{};
};
std::optional<CalibrationData> touch_calibration;
};
/**
* A button device factory representing a keyboard. It receives keyboard events and forward them
* to all button devices it created.
*/
class UDPClient final : public InputCommon::InputEngine {
public:
explicit UDPClient(const std::string& input_engine_);
~UDPClient();
void ReloadSockets();
private:
struct PadData {
std::size_t pad_index{};
bool connected{};
DeviceStatus status;
u64 packet_sequence{};
std::chrono::time_point<std::chrono::steady_clock> last_update;
};
struct ClientConnection {
ClientConnection();
~ClientConnection();
std::string host{"127.0.0.1"};
u16 port{26760};
s8 active{-1};
std::unique_ptr<Socket> socket;
std::thread thread;
};
// For shutting down, clear all data, join all threads, release usb
void Reset();
// Translates configuration to client number
std::size_t GetClientNumber(std::string_view host, u16 port) const;
void OnVersion(Response::Version);
void OnPortInfo(Response::PortInfo);
void OnPadData(Response::PadData, std::size_t client);
void StartCommunication(std::size_t client, const std::string& host, u16 port);
const PadIdentifier GetPadIdentifier(std::size_t pad_index) const;
// Allocate clients for 8 udp servers
static constexpr std::size_t MAX_UDP_CLIENTS = 8;
static constexpr std::size_t PADS_PER_CLIENT = 4;
std::array<PadData, MAX_UDP_CLIENTS * PADS_PER_CLIENT> pads{};
std::array<ClientConnection, MAX_UDP_CLIENTS> clients{};
};
/// An async job allowing configuration of the touchpad calibration.
class CalibrationConfigurationJob {
public:
enum class Status {
Initialized,
Ready,
Stage1Completed,
Completed,
};
/**
* Constructs and starts the job with the specified parameter.
*
* @param status_callback Callback for job status updates
* @param data_callback Called when calibration data is ready
*/
explicit CalibrationConfigurationJob(const std::string& host, u16 port,
std::function<void(Status)> status_callback,
std::function<void(u16, u16, u16, u16)> data_callback);
~CalibrationConfigurationJob();
void Stop();
private:
Common::Event complete_event;
};
void TestCommunication(const std::string& host, u16 port,
const std::function<void()>& success_callback,
const std::function<void()>& failure_callback);
} // namespace InputCommon::CemuhookUDP
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