mirror of https://git.suyu.dev/suyu/suyu
Merge pull request #4397 from ReinUsesLisp/bsd
services: Implement most of bsd:s and GetCurrentIpAddress from nifmmerge-requests/60/head
bunnei
GitHub
commit
e126021ffe
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// Copyright 2020 yuzu emulator team
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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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#pragma once
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#include <atomic>
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#include <memory>
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#include <string>
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#include <string_view>
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#include <thread>
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#include <variant>
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#include <vector>
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#include <fmt/format.h>
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#include "common/assert.h"
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#include "common/microprofile.h"
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#include "common/thread.h"
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#include "core/core.h"
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#include "core/hle/kernel/hle_ipc.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/writable_event.h"
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namespace Service::Sockets {
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/**
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* Worker abstraction to execute blocking calls on host without blocking the guest thread
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*
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* @tparam Service Service where the work is executed
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* @tparam ...Types Types of work to execute
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*/
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template <class Service, class... Types>
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class BlockingWorker {
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using This = BlockingWorker<Service, Types...>;
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using WorkVariant = std::variant<std::monostate, Types...>;
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public:
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/// Create a new worker
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static std::unique_ptr<This> Create(Core::System& system, Service* service,
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std::string_view name) {
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return std::unique_ptr<This>(new This(system, service, name));
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}
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~BlockingWorker() {
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while (!is_available.load(std::memory_order_relaxed)) {
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// Busy wait until work is finished
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std::this_thread::yield();
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}
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// Monostate means to exit the thread
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work = std::monostate{};
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work_event.Set();
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thread.join();
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}
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/**
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* Try to capture the worker to send work after a success
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* @returns True when the worker has been successfully captured
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*/
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bool TryCapture() {
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bool expected = true;
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return is_available.compare_exchange_weak(expected, false, std::memory_order_relaxed,
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std::memory_order_relaxed);
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}
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/**
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* Send work to this worker abstraction
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* @see TryCapture must be called before attempting to call this function
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*/
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template <class Work>
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void SendWork(Work new_work) {
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ASSERT_MSG(!is_available, "Trying to send work on a worker that's not captured");
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work = std::move(new_work);
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work_event.Set();
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}
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/// Generate a callback for @see SleepClientThread
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template <class Work>
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auto Callback() {
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return [this](std::shared_ptr<Kernel::Thread>, Kernel::HLERequestContext& ctx,
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Kernel::ThreadWakeupReason reason) {
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ASSERT(reason == Kernel::ThreadWakeupReason::Signal);
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std::get<Work>(work).Response(ctx);
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is_available.store(true);
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};
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}
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/// Get kernel event that will be signalled by the worker when the host operation finishes
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std::shared_ptr<Kernel::WritableEvent> KernelEvent() const {
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return kernel_event;
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}
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private:
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explicit BlockingWorker(Core::System& system, Service* service, std::string_view name) {
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auto pair = Kernel::WritableEvent::CreateEventPair(system.Kernel(), std::string(name));
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kernel_event = std::move(pair.writable);
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thread = std::thread([this, &system, service, name] { Run(system, service, name); });
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}
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void Run(Core::System& system, Service* service, std::string_view name) {
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system.RegisterHostThread();
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const std::string thread_name = fmt::format("yuzu:{}", name);
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MicroProfileOnThreadCreate(thread_name.c_str());
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Common::SetCurrentThreadName(thread_name.c_str());
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bool keep_running = true;
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while (keep_running) {
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work_event.Wait();
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const auto visit_fn = [service, &keep_running](auto&& w) {
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using T = std::decay_t<decltype(w)>;
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if constexpr (std::is_same_v<T, std::monostate>) {
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keep_running = false;
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} else {
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w.Execute(service);
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}
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};
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std::visit(visit_fn, work);
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kernel_event->Signal();
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}
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}
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std::thread thread;
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WorkVariant work;
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Common::Event work_event;
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std::shared_ptr<Kernel::WritableEvent> kernel_event;
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std::atomic_bool is_available{true};
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};
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template <class Service, class... Types>
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class BlockingWorkerPool {
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using Worker = BlockingWorker<Service, Types...>;
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public:
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explicit BlockingWorkerPool(Core::System& system_, Service* service_)
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: system{system_}, service{service_} {}
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/// Returns a captured worker thread, creating new ones if necessary
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Worker* CaptureWorker() {
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for (auto& worker : workers) {
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if (worker->TryCapture()) {
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return worker.get();
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}
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}
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auto new_worker = Worker::Create(system, service, fmt::format("BSD:{}", workers.size()));
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[[maybe_unused]] const bool success = new_worker->TryCapture();
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ASSERT(success);
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return workers.emplace_back(std::move(new_worker)).get();
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}
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private:
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Core::System& system;
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Service* const service;
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std::vector<std::unique_ptr<Worker>> workers;
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};
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} // namespace Service::Sockets
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@ -0,0 +1,165 @@
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// Copyright 2020 yuzu emulator team
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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 <utility>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "core/hle/service/sockets/sockets.h"
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#include "core/hle/service/sockets/sockets_translate.h"
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#include "core/network/network.h"
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namespace Service::Sockets {
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Errno Translate(Network::Errno value) {
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switch (value) {
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case Network::Errno::SUCCESS:
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return Errno::SUCCESS;
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case Network::Errno::BADF:
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return Errno::BADF;
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case Network::Errno::AGAIN:
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return Errno::AGAIN;
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case Network::Errno::INVAL:
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return Errno::INVAL;
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case Network::Errno::MFILE:
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return Errno::MFILE;
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case Network::Errno::NOTCONN:
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return Errno::NOTCONN;
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default:
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UNIMPLEMENTED_MSG("Unimplemented errno={}", static_cast<int>(value));
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return Errno::SUCCESS;
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}
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}
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std::pair<s32, Errno> Translate(std::pair<s32, Network::Errno> value) {
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return {value.first, Translate(value.second)};
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}
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Network::Domain Translate(Domain domain) {
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switch (domain) {
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case Domain::INET:
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return Network::Domain::INET;
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default:
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UNIMPLEMENTED_MSG("Unimplemented domain={}", static_cast<int>(domain));
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return {};
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}
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}
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Domain Translate(Network::Domain domain) {
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switch (domain) {
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case Network::Domain::INET:
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return Domain::INET;
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default:
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UNIMPLEMENTED_MSG("Unimplemented domain={}", static_cast<int>(domain));
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return {};
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}
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}
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Network::Type Translate(Type type) {
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switch (type) {
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case Type::STREAM:
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return Network::Type::STREAM;
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case Type::DGRAM:
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return Network::Type::DGRAM;
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default:
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UNIMPLEMENTED_MSG("Unimplemented type={}", static_cast<int>(type));
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}
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}
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Network::Protocol Translate(Type type, Protocol protocol) {
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switch (protocol) {
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case Protocol::UNSPECIFIED:
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LOG_WARNING(Service, "Unspecified protocol, assuming protocol from type");
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switch (type) {
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case Type::DGRAM:
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return Network::Protocol::UDP;
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case Type::STREAM:
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return Network::Protocol::TCP;
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default:
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return Network::Protocol::TCP;
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}
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case Protocol::TCP:
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return Network::Protocol::TCP;
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case Protocol::UDP:
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return Network::Protocol::UDP;
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default:
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UNIMPLEMENTED_MSG("Unimplemented protocol={}", static_cast<int>(protocol));
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return Network::Protocol::TCP;
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}
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}
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u16 TranslatePollEventsToHost(u16 flags) {
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u16 result = 0;
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const auto translate = [&result, &flags](u16 from, u16 to) {
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if ((flags & from) != 0) {
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flags &= ~from;
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result |= to;
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}
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};
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translate(POLL_IN, Network::POLL_IN);
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translate(POLL_PRI, Network::POLL_PRI);
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translate(POLL_OUT, Network::POLL_OUT);
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translate(POLL_ERR, Network::POLL_ERR);
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translate(POLL_HUP, Network::POLL_HUP);
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translate(POLL_NVAL, Network::POLL_NVAL);
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UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags);
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return result;
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}
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u16 TranslatePollEventsToGuest(u16 flags) {
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u16 result = 0;
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const auto translate = [&result, &flags](u16 from, u16 to) {
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if ((flags & from) != 0) {
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flags &= ~from;
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result |= to;
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}
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};
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translate(Network::POLL_IN, POLL_IN);
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translate(Network::POLL_PRI, POLL_PRI);
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translate(Network::POLL_OUT, POLL_OUT);
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translate(Network::POLL_ERR, POLL_ERR);
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translate(Network::POLL_HUP, POLL_HUP);
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translate(Network::POLL_NVAL, POLL_NVAL);
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UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags);
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return result;
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}
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Network::SockAddrIn Translate(SockAddrIn value) {
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ASSERT(value.len == 0 || value.len == sizeof(value));
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Network::SockAddrIn result;
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result.family = Translate(static_cast<Domain>(value.family));
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result.ip = value.ip;
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result.portno = value.portno >> 8 | value.portno << 8;
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return result;
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}
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SockAddrIn Translate(Network::SockAddrIn value) {
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SockAddrIn result;
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result.len = sizeof(result);
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result.family = static_cast<u8>(Translate(value.family));
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result.portno = value.portno >> 8 | value.portno << 8;
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result.ip = value.ip;
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result.zeroes = {};
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return result;
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}
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Network::ShutdownHow Translate(ShutdownHow how) {
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switch (how) {
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case ShutdownHow::RD:
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return Network::ShutdownHow::RD;
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case ShutdownHow::WR:
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return Network::ShutdownHow::WR;
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case ShutdownHow::RDWR:
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return Network::ShutdownHow::RDWR;
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default:
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UNIMPLEMENTED_MSG("Unimplemented how={}", static_cast<int>(how));
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return {};
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}
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}
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} // namespace Service::Sockets
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@ -0,0 +1,48 @@
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// Copyright 2020 yuzu emulator team
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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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#pragma once
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#include <utility>
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#include "common/common_types.h"
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#include "core/hle/service/sockets/sockets.h"
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#include "core/network/network.h"
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namespace Service::Sockets {
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/// Translate abstract errno to guest errno
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Errno Translate(Network::Errno value);
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/// Translate abstract return value errno pair to guest return value errno pair
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std::pair<s32, Errno> Translate(std::pair<s32, Network::Errno> value);
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/// Translate guest domain to abstract domain
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Network::Domain Translate(Domain domain);
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/// Translate abstract domain to guest domain
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Domain Translate(Network::Domain domain);
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/// Translate guest type to abstract type
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Network::Type Translate(Type type);
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/// Translate guest protocol to abstract protocol
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Network::Protocol Translate(Type type, Protocol protocol);
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/// Translate abstract poll event flags to guest poll event flags
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u16 TranslatePollEventsToHost(u16 flags);
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/// Translate guest poll event flags to abstract poll event flags
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u16 TranslatePollEventsToGuest(u16 flags);
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/// Translate guest socket address structure to abstract socket address structure
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Network::SockAddrIn Translate(SockAddrIn value);
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/// Translate abstract socket address structure to guest socket address structure
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SockAddrIn Translate(Network::SockAddrIn value);
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/// Translate guest shutdown mode to abstract shutdown mode
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Network::ShutdownHow Translate(ShutdownHow how);
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} // namespace Service::Sockets
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