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// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include <boost/intrusive/list.hpp>
#include "common/threadsafe_queue.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/service_thread.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 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_);
virtual ~KServerSession() override;
virtual void Destroy() override;
void Initialize(KSession* parent_, std::string&& name_);
KSession* GetParent() {
return parent;
}
const KSession* GetParent() const {
return parent;
}
virtual bool IsSignaled() const override;
void OnClientClosed();
/**
* Sets the HLE handler for the session. This handler will be called to service IPC requests
* instead of the regular IPC machinery. (The regular IPC machinery is currently not
* implemented.)
*/
void SetSessionHandler(SessionRequestHandlerPtr handler) {
manager->SetSessionHandler(std::move(handler));
}
/**
* Handle a sync request from the emulated application.
*
* @param thread Thread that initiated the request.
* @param memory Memory context to handle the sync request under.
* @param core_timing Core timing context to schedule the request event under.
*
* @returns ResultCode from the operation.
*/
ResultCode HandleSyncRequest(KThread* thread, Core::Memory::Memory& memory,
Core::Timing::CoreTiming& core_timing);
/// 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->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;
}
/// Gets the session request manager, which forwards requests to the underlying service
const std::shared_ptr<SessionRequestManager>& GetSessionRequestManager() const {
return manager;
}
/// Sets the session request manager, which forwards requests to the underlying service
void SetSessionRequestManager(std::shared_ptr<SessionRequestManager> manager_) {
manager = std::move(manager_);
}
private:
/// Queues a sync request from the emulated application.
ResultCode QueueSyncRequest(KThread* thread, Core::Memory::Memory& memory);
/// Completes a sync request from the emulated application.
ResultCode CompleteSyncRequest(HLERequestContext& context);
/// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an
/// object handle.
ResultCode HandleDomainSyncRequest(Kernel::HLERequestContext& context);
/// This session's HLE request handlers
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{};
/// Thread to dispatch service requests
std::weak_ptr<ServiceThread> service_thread;
/// KSession that owns this KServerSession
KSession* parent{};
};
} // namespace Kernel
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