skyline/app/src/main/cpp/skyline/services/serviceman.h
2021-07-19 02:07:12 +05:30

74 lines
3.1 KiB
C++

// SPDX-License-Identifier: MPL-2.0
// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
#pragma once
#include <kernel/types/KSession.h>
#include "base_service.h"
namespace skyline::service {
/**
* @brief Holds global service state for service data that persists across sessions
*/
struct GlobalServiceState;
/**
* @brief The ServiceManager class manages passing IPC requests to the right Service and running event loops of Services
*/
class ServiceManager {
private:
const DeviceState &state;
std::unordered_map<ServiceName, std::shared_ptr<BaseService>> serviceMap; //!< A mapping from a Service to the underlying object
std::mutex mutex; //!< Synchronizes concurrent access to services to prevent crashes
public:
std::shared_ptr<BaseService> smUserInterface; //!< Used by applications to open connections to services
std::shared_ptr<GlobalServiceState> globalServiceState;
ServiceManager(const DeviceState &state);
/**
* @brief Creates a new service using its type enum and writes its handle or virtual handle (If it's a domain request) to IpcResponse
* @param name The service's name
* @param session The session object of the command
* @param response The response object to write the handle or virtual handle to
*/
std::shared_ptr<BaseService> NewService(ServiceName name, type::KSession &session, ipc::IpcResponse &response);
/**
* @brief Registers a service object in the manager and writes its handle or virtual handle (If it's a domain request) to IpcResponse
* @param serviceObject An instance of the service
* @param session The session object of the command
* @param response The response object to write the handle or virtual handle to
*/
void RegisterService(std::shared_ptr<BaseService> serviceObject, type::KSession &session, ipc::IpcResponse &response);
template<typename ServiceType>
void RegisterService(std::shared_ptr<ServiceType> serviceObject, type::KSession &session, ipc::IpcResponse &response) {
RegisterService(std::static_pointer_cast<BaseService>(serviceObject), session, response);
}
/**
* @brief Creates an instance of the service if it doesn't already exist, otherwise returns an existing instance
*/
std::shared_ptr<BaseService> CreateOrGetService(ServiceName name);
template<typename Type>
constexpr std::shared_ptr<Type> CreateOrGetService(std::string_view name) {
return std::static_pointer_cast<Type>(CreateOrGetService(util::MakeMagic<ServiceName>(name)));
}
/**
* @brief Closes an existing session to a service
* @param service The handle of the KService object
*/
void CloseSession(KHandle handle);
/**
* @brief Handles a Synchronous IPC Request
* @param handle The handle of the object
*/
void SyncRequestHandler(KHandle handle);
};
}