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src/core/hle/service/sm/sm.h

@@ -0,0 +1,91 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <type_traits>
+#include <unordered_map>
+
+#include "common/concepts.h"
+#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/server_port.h"
+#include "core/hle/result.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class ClientPort;
+class ClientSession;
+class KernelCore;
+class ServerPort;
+class SessionRequestHandler;
+} // namespace Kernel
+
+namespace Service::SM {
+
+class Controller;
+
+/// Interface to "sm:" service
+class SM final : public ServiceFramework<SM> {
+public:
+    explicit SM(std::shared_ptr<ServiceManager> service_manager_, Core::System& system_);
+    ~SM() override;
+
+private:
+    void Initialize(Kernel::HLERequestContext& ctx);
+    void GetService(Kernel::HLERequestContext& ctx);
+    void RegisterService(Kernel::HLERequestContext& ctx);
+    void UnregisterService(Kernel::HLERequestContext& ctx);
+
+    std::shared_ptr<ServiceManager> service_manager;
+    Kernel::KernelCore& kernel;
+};
+
+class ServiceManager {
+public:
+    static void InstallInterfaces(std::shared_ptr<ServiceManager> self, Core::System& system);
+
+    explicit ServiceManager(Kernel::KernelCore& kernel_);
+    ~ServiceManager();
+
+    ResultVal<std::shared_ptr<Kernel::ServerPort>> RegisterService(std::string name,
+                                                                   u32 max_sessions);
+    ResultCode UnregisterService(const std::string& name);
+    ResultVal<std::shared_ptr<Kernel::ClientPort>> GetServicePort(const std::string& name);
+    ResultVal<std::shared_ptr<Kernel::ClientSession>> ConnectToService(const std::string& name);
+
+    template <Common::DerivedFrom<Kernel::SessionRequestHandler> T>
+    std::shared_ptr<T> GetService(const std::string& service_name) const {
+        auto service = registered_services.find(service_name);
+        if (service == registered_services.end()) {
+            LOG_DEBUG(Service, "Can't find service: {}", service_name);
+            return nullptr;
+        }
+        auto port = service->second->GetServerPort();
+        if (port == nullptr) {
+            return nullptr;
+        }
+        return std::static_pointer_cast<T>(port->GetHLEHandler());
+    }
+
+    void InvokeControlRequest(Kernel::HLERequestContext& context);
+
+private:
+    std::weak_ptr<SM> sm_interface;
+    std::unique_ptr<Controller> controller_interface;
+
+    /// Map of registered services, retrieved using GetServicePort or ConnectToService.
+    std::unordered_map<std::string, std::shared_ptr<Kernel::ClientPort>> registered_services;
+
+    /// Kernel context
+    Kernel::KernelCore& kernel;
+};
+
+} // namespace Service::SM