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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <list>
#include <memory>
#include <string>
#include <utility>
#include <boost/intrusive/list.hpp>
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_light_lock.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/result.h"
namespace Core::Memory {
class Memory;
}
namespace Core::Timing {
class CoreTiming;
struct EventType;
} // namespace Core::Timing
namespace Kernel {
class HLERequestContext;
class KernelCore;
class KSession;
class SessionRequestHandler;
class SessionRequestManager;
class KThread;
class KServerSession final : public KSynchronizationObject,
public boost::intrusive::list_base_hook<> {
KERNEL_AUTOOBJECT_TRAITS(KServerSession, KSynchronizationObject);
friend class ServiceThread;
public:
explicit KServerSession(KernelCore& kernel_);
~KServerSession() override;
void Destroy() override;
void Initialize(KSession* parent_session_, std::string&& name_,
std::shared_ptr<SessionRequestManager> manager_);
KSession* GetParent() {
return parent;
}
const KSession* GetParent() const {
return parent;
}
bool IsSignaled() const override;
void OnClientClosed();
void ClientConnected(SessionRequestHandlerPtr handler) {
if (manager) {
manager->SetSessionHandler(std::move(handler));
}
}
void ClientDisconnected() {
manager = nullptr;
}
/// Adds a new domain request handler to the collection of request handlers within
/// this ServerSession instance.
void AppendDomainHandler(SessionRequestHandlerPtr handler);
/// Retrieves the total number of domain request handlers that have been
/// appended to this ServerSession instance.
std::size_t NumDomainRequestHandlers() const;
/// Returns true if the session has been converted to a domain, otherwise False
bool IsDomain() const {
return manager && manager->IsDomain();
}
/// Converts the session to a domain at the end of the current command
void ConvertToDomain() {
convert_to_domain = true;
}
/// Gets the session request manager, which forwards requests to the underlying service
std::shared_ptr<SessionRequestManager>& GetSessionRequestManager() {
return manager;
}
/// TODO: flesh these out to match the real kernel
Result OnRequest();
Result SendReply();
Result ReceiveRequest();
private:
/// Frees up waiting client sessions when this server session is about to die
void CleanupRequests();
/// Queues a sync request from the emulated application.
Result QueueSyncRequest(KThread* thread, Core::Memory::Memory& memory);
/// Completes a sync request from the emulated application.
Result CompleteSyncRequest(HLERequestContext& context);
/// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an
/// object handle.
Result HandleDomainSyncRequest(Kernel::HLERequestContext& context);
/// This session's HLE request handlers; if nullptr, this is not an HLE server
std::shared_ptr<SessionRequestManager> manager;
/// When set to True, converts the session to a domain at the end of the command
bool convert_to_domain{};
/// KSession that owns this KServerSession
KSession* parent{};
/// List of threads which are pending a reply.
/// FIXME: KSessionRequest
std::list<KThread*> m_thread_request_list;
KThread* m_current_thread_request{};
KLightLock m_lock;
};
} // namespace Kernel
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