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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <atomic>
#include <functional>
#include <list>
#include <map>
#include <mutex>
#include <string_view>
#include <vector>
#include "common/polyfill_thread.h"
#include "core/hle/result.h"
#include "core/hle/service/mutex.h"
namespace Core {
class System;
}
namespace Kernel {
class KEvent;
class KServerPort;
class KServerSession;
class KSynchronizationObject;
} // namespace Kernel
namespace Service {
class HLERequestContext;
class SessionRequestHandler;
class SessionRequestManager;
class ServerManager {
public:
explicit ServerManager(Core::System& system);
~ServerManager();
Result RegisterSession(Kernel::KServerSession* session,
std::shared_ptr<SessionRequestManager> manager);
Result RegisterNamedService(const std::string& service_name,
std::shared_ptr<SessionRequestHandler>&& handler,
u32 max_sessions = 64);
Result ManageNamedPort(const std::string& service_name,
std::shared_ptr<SessionRequestHandler>&& handler, u32 max_sessions = 64);
Result ManageDeferral(Kernel::KEvent** out_event);
Result LoopProcess();
void StartAdditionalHostThreads(const char* name, size_t num_threads);
static void RunServer(std::unique_ptr<ServerManager>&& server);
private:
struct RequestState;
Result LoopProcessImpl();
Result WaitAndProcessImpl();
Result OnPortEvent(Kernel::KServerPort* port, std::shared_ptr<SessionRequestHandler>&& handler);
Result OnSessionEvent(Kernel::KServerSession* session,
std::shared_ptr<SessionRequestManager>&& manager);
Result OnDeferralEvent(std::list<RequestState>&& deferrals);
Result CompleteSyncRequest(RequestState&& state);
private:
Core::System& m_system;
Mutex m_serve_mutex;
std::mutex m_list_mutex;
// Guest state tracking
std::map<Kernel::KServerPort*, std::shared_ptr<SessionRequestHandler>> m_ports{};
std::map<Kernel::KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions{};
Kernel::KEvent* m_event{};
Kernel::KEvent* m_deferral_event{};
// Deferral tracking
struct RequestState {
Kernel::KServerSession* session;
std::shared_ptr<HLERequestContext> context;
std::shared_ptr<SessionRequestManager> manager;
};
std::list<RequestState> m_deferrals{};
// Host state tracking
std::atomic<bool> m_stopped{};
std::vector<std::jthread> m_threads{};
std::stop_source m_stop_source{};
};
} // namespace Service
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