mirror of
https://github.com/yuzu-emu/yuzu.git
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392 lines
14 KiB
C++
392 lines
14 KiB
C++
// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <random>
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#include <boost/asio.hpp>
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#include "common/logging/log.h"
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#include "common/param_package.h"
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#include "common/settings.h"
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#include "input_common/drivers/udp_client.h"
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#include "input_common/helpers/udp_protocol.h"
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using boost::asio::ip::udp;
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namespace InputCommon::CemuhookUDP {
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struct SocketCallback {
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std::function<void(Response::Version)> version;
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std::function<void(Response::PortInfo)> port_info;
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std::function<void(Response::PadData)> pad_data;
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};
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class Socket {
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public:
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using clock = std::chrono::system_clock;
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explicit Socket(const std::string& host, u16 port, SocketCallback callback_)
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: callback(std::move(callback_)), timer(io_service),
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socket(io_service, udp::endpoint(udp::v4(), 0)), client_id(GenerateRandomClientId()) {
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boost::system::error_code ec{};
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auto ipv4 = boost::asio::ip::make_address_v4(host, ec);
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if (ec.value() != boost::system::errc::success) {
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LOG_ERROR(Input, "Invalid IPv4 address \"{}\" provided to socket", host);
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ipv4 = boost::asio::ip::address_v4{};
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}
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send_endpoint = {udp::endpoint(ipv4, port)};
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}
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void Stop() {
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io_service.stop();
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}
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void Loop() {
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io_service.run();
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}
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void StartSend(const clock::time_point& from) {
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timer.expires_at(from + std::chrono::seconds(3));
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timer.async_wait([this](const boost::system::error_code& error) { HandleSend(error); });
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}
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void StartReceive() {
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socket.async_receive_from(
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boost::asio::buffer(receive_buffer), receive_endpoint,
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[this](const boost::system::error_code& error, std::size_t bytes_transferred) {
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HandleReceive(error, bytes_transferred);
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});
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}
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private:
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u32 GenerateRandomClientId() const {
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std::random_device device;
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return device();
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}
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void HandleReceive(const boost::system::error_code&, std::size_t bytes_transferred) {
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if (auto type = Response::Validate(receive_buffer.data(), bytes_transferred)) {
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switch (*type) {
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case Type::Version: {
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Response::Version version;
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std::memcpy(&version, &receive_buffer[sizeof(Header)], sizeof(Response::Version));
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callback.version(std::move(version));
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break;
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}
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case Type::PortInfo: {
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Response::PortInfo port_info;
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std::memcpy(&port_info, &receive_buffer[sizeof(Header)],
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sizeof(Response::PortInfo));
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callback.port_info(std::move(port_info));
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break;
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}
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case Type::PadData: {
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Response::PadData pad_data;
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std::memcpy(&pad_data, &receive_buffer[sizeof(Header)], sizeof(Response::PadData));
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callback.pad_data(std::move(pad_data));
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break;
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}
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}
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}
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StartReceive();
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}
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void HandleSend(const boost::system::error_code&) {
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boost::system::error_code _ignored{};
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// Send a request for getting port info for the pad
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const Request::PortInfo port_info{4, {0, 1, 2, 3}};
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const auto port_message = Request::Create(port_info, client_id);
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std::memcpy(&send_buffer1, &port_message, PORT_INFO_SIZE);
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socket.send_to(boost::asio::buffer(send_buffer1), send_endpoint, {}, _ignored);
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// Send a request for getting pad data for the pad
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const Request::PadData pad_data{
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Request::PadData::Flags::AllPorts,
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0,
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EMPTY_MAC_ADDRESS,
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};
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const auto pad_message = Request::Create(pad_data, client_id);
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std::memcpy(send_buffer2.data(), &pad_message, PAD_DATA_SIZE);
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socket.send_to(boost::asio::buffer(send_buffer2), send_endpoint, {}, _ignored);
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StartSend(timer.expiry());
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}
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SocketCallback callback;
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boost::asio::io_service io_service;
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boost::asio::basic_waitable_timer<clock> timer;
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udp::socket socket;
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const u32 client_id;
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static constexpr std::size_t PORT_INFO_SIZE = sizeof(Message<Request::PortInfo>);
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static constexpr std::size_t PAD_DATA_SIZE = sizeof(Message<Request::PadData>);
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std::array<u8, PORT_INFO_SIZE> send_buffer1;
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std::array<u8, PAD_DATA_SIZE> send_buffer2;
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udp::endpoint send_endpoint;
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std::array<u8, MAX_PACKET_SIZE> receive_buffer;
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udp::endpoint receive_endpoint;
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};
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static void SocketLoop(Socket* socket) {
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socket->StartReceive();
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socket->StartSend(Socket::clock::now());
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socket->Loop();
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}
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UDPClient::UDPClient(const std::string& input_engine_) : InputEngine(input_engine_) {
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LOG_INFO(Input, "Udp Initialization started");
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ReloadSockets();
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}
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UDPClient::~UDPClient() {
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Reset();
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}
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UDPClient::ClientConnection::ClientConnection() = default;
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UDPClient::ClientConnection::~ClientConnection() = default;
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void UDPClient::ReloadSockets() {
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Reset();
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std::stringstream servers_ss(Settings::values.udp_input_servers.GetValue());
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std::string server_token;
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std::size_t client = 0;
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while (std::getline(servers_ss, server_token, ',')) {
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if (client == MAX_UDP_CLIENTS) {
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break;
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}
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std::stringstream server_ss(server_token);
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std::string token;
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std::getline(server_ss, token, ':');
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std::string udp_input_address = token;
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std::getline(server_ss, token, ':');
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char* temp;
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const u16 udp_input_port = static_cast<u16>(std::strtol(token.c_str(), &temp, 0));
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if (*temp != '\0') {
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LOG_ERROR(Input, "Port number is not valid {}", token);
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continue;
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}
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const std::size_t client_number = GetClientNumber(udp_input_address, udp_input_port);
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if (client_number != MAX_UDP_CLIENTS) {
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LOG_ERROR(Input, "Duplicated UDP servers found");
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continue;
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}
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StartCommunication(client++, udp_input_address, udp_input_port);
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}
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}
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std::size_t UDPClient::GetClientNumber(std::string_view host, u16 port) const {
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for (std::size_t client = 0; client < clients.size(); client++) {
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if (clients[client].active == -1) {
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continue;
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}
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if (clients[client].host == host && clients[client].port == port) {
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return client;
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}
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}
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return MAX_UDP_CLIENTS;
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}
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void UDPClient::OnVersion([[maybe_unused]] Response::Version data) {
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LOG_TRACE(Input, "Version packet received: {}", data.version);
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}
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void UDPClient::OnPortInfo([[maybe_unused]] Response::PortInfo data) {
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LOG_TRACE(Input, "PortInfo packet received: {}", data.model);
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}
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void UDPClient::OnPadData(Response::PadData data, std::size_t client) {
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const std::size_t pad_index = (client * PADS_PER_CLIENT) + data.info.id;
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if (pad_index >= pads.size()) {
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LOG_ERROR(Input, "Invalid pad id {}", data.info.id);
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return;
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}
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LOG_TRACE(Input, "PadData packet received");
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if (data.packet_counter == pads[pad_index].packet_sequence) {
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LOG_WARNING(
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Input,
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"PadData packet dropped because its stale info. Current count: {} Packet count: {}",
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pads[pad_index].packet_sequence, data.packet_counter);
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pads[pad_index].connected = false;
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return;
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}
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clients[client].active = 1;
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pads[pad_index].connected = true;
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pads[pad_index].packet_sequence = data.packet_counter;
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const auto now = std::chrono::steady_clock::now();
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const auto time_difference = static_cast<u64>(
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std::chrono::duration_cast<std::chrono::microseconds>(now - pads[pad_index].last_update)
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.count());
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pads[pad_index].last_update = now;
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// Gyroscope values are not it the correct scale from better joy.
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// Dividing by 312 allows us to make one full turn = 1 turn
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// This must be a configurable valued called sensitivity
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const float gyro_scale = 1.0f / 312.0f;
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const BasicMotion motion{
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.gyro_x = data.gyro.pitch * gyro_scale,
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.gyro_y = data.gyro.roll * gyro_scale,
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.gyro_z = -data.gyro.yaw * gyro_scale,
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.accel_x = data.accel.x,
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.accel_y = -data.accel.z,
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.accel_z = data.accel.y,
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.delta_timestamp = time_difference,
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};
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const PadIdentifier identifier = GetPadIdentifier(pad_index);
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SetMotion(identifier, 0, motion);
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for (std::size_t id = 0; id < data.touch.size(); ++id) {
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const auto touch_pad = data.touch[id];
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const int touch_id = static_cast<int>(client * 2 + id);
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// TODO: Use custom calibration per device
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const Common::ParamPackage touch_param(Settings::values.touch_device.GetValue());
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const u16 min_x = static_cast<u16>(touch_param.Get("min_x", 100));
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const u16 min_y = static_cast<u16>(touch_param.Get("min_y", 50));
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const u16 max_x = static_cast<u16>(touch_param.Get("max_x", 1800));
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const u16 max_y = static_cast<u16>(touch_param.Get("max_y", 850));
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const f32 x =
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static_cast<f32>(std::clamp(static_cast<u16>(touch_pad.x), min_x, max_x) - min_x) /
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static_cast<f32>(max_x - min_x);
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const f32 y =
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static_cast<f32>(std::clamp(static_cast<u16>(touch_pad.y), min_y, max_y) - min_y) /
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static_cast<f32>(max_y - min_y);
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if (touch_pad.is_active) {
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SetAxis(identifier, touch_id * 2, x);
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SetAxis(identifier, touch_id * 2 + 1, y);
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SetButton(identifier, touch_id, true);
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continue;
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}
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SetButton(identifier, touch_id, false);
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}
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}
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void UDPClient::StartCommunication(std::size_t client, const std::string& host, u16 port) {
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SocketCallback callback{[this](Response::Version version) { OnVersion(version); },
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[this](Response::PortInfo info) { OnPortInfo(info); },
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[this, client](Response::PadData data) { OnPadData(data, client); }};
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LOG_INFO(Input, "Starting communication with UDP input server on {}:{}", host, port);
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clients[client].host = host;
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clients[client].port = port;
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clients[client].active = 0;
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clients[client].socket = std::make_unique<Socket>(host, port, callback);
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clients[client].thread = std::thread{SocketLoop, clients[client].socket.get()};
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for (std::size_t index = 0; index < PADS_PER_CLIENT; ++index) {
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const PadIdentifier identifier = GetPadIdentifier(client * PADS_PER_CLIENT + index);
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PreSetController(identifier);
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}
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}
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const PadIdentifier UDPClient::GetPadIdentifier(std::size_t pad_index) const {
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const std::size_t client = pad_index / PADS_PER_CLIENT;
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return {
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.guid = Common::UUID{clients[client].host},
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.port = static_cast<std::size_t>(clients[client].port),
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.pad = pad_index,
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};
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}
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void UDPClient::Reset() {
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for (auto& client : clients) {
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if (client.thread.joinable()) {
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client.active = -1;
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client.socket->Stop();
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client.thread.join();
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}
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}
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}
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void TestCommunication(const std::string& host, u16 port,
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const std::function<void()>& success_callback,
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const std::function<void()>& failure_callback) {
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std::thread([=] {
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Common::Event success_event;
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SocketCallback callback{
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.version = [](Response::Version) {},
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.port_info = [](Response::PortInfo) {},
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.pad_data = [&](Response::PadData) { success_event.Set(); },
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};
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Socket socket{host, port, std::move(callback)};
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std::thread worker_thread{SocketLoop, &socket};
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const bool result =
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success_event.WaitUntil(std::chrono::steady_clock::now() + std::chrono::seconds(10));
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socket.Stop();
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worker_thread.join();
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if (result) {
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success_callback();
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} else {
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failure_callback();
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}
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}).detach();
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}
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CalibrationConfigurationJob::CalibrationConfigurationJob(
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const std::string& host, u16 port, std::function<void(Status)> status_callback,
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std::function<void(u16, u16, u16, u16)> data_callback) {
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std::thread([=, this] {
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Status current_status{Status::Initialized};
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SocketCallback callback{
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[](Response::Version) {}, [](Response::PortInfo) {},
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[&](Response::PadData data) {
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static constexpr u16 CALIBRATION_THRESHOLD = 100;
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static constexpr u16 MAX_VALUE = UINT16_MAX;
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if (current_status == Status::Initialized) {
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// Receiving data means the communication is ready now
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current_status = Status::Ready;
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status_callback(current_status);
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}
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const auto& touchpad_0 = data.touch[0];
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if (touchpad_0.is_active == 0) {
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return;
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}
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LOG_DEBUG(Input, "Current touch: {} {}", touchpad_0.x, touchpad_0.y);
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const u16 min_x = std::min(MAX_VALUE, static_cast<u16>(touchpad_0.x));
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const u16 min_y = std::min(MAX_VALUE, static_cast<u16>(touchpad_0.y));
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if (current_status == Status::Ready) {
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// First touch - min data (min_x/min_y)
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current_status = Status::Stage1Completed;
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status_callback(current_status);
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}
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if (touchpad_0.x - min_x > CALIBRATION_THRESHOLD &&
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touchpad_0.y - min_y > CALIBRATION_THRESHOLD) {
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// Set the current position as max value and finishes configuration
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const u16 max_x = touchpad_0.x;
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const u16 max_y = touchpad_0.y;
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current_status = Status::Completed;
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data_callback(min_x, min_y, max_x, max_y);
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status_callback(current_status);
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complete_event.Set();
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}
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}};
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Socket socket{host, port, std::move(callback)};
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std::thread worker_thread{SocketLoop, &socket};
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complete_event.Wait();
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socket.Stop();
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worker_thread.join();
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}).detach();
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}
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CalibrationConfigurationJob::~CalibrationConfigurationJob() {
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Stop();
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}
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void CalibrationConfigurationJob::Stop() {
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complete_event.Set();
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}
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} // namespace InputCommon::CemuhookUDP
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