mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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98 lines
3.7 KiB
C++
98 lines
3.7 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/tipc/tipc_common.hpp>
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#include <stratosphere/tipc/tipc_service_object_base.hpp>
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namespace ams::tipc {
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class ObjectHolder {
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public:
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enum ObjectType : u8 {
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ObjectType_Invalid = 0,
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ObjectType_Port = 1,
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ObjectType_Session = 2,
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ObjectType_Deferral = ObjectType_Invalid,
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};
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private:
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tipc::NativeHandle m_handle;
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ObjectType m_type;
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bool m_managed;
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tipc::ServiceObjectBase *m_object;
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private:
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void InitializeImpl(ObjectType type, tipc::NativeHandle handle, bool managed, tipc::ServiceObjectBase *object) {
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/* Validate that the object isn't already constructed. */
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AMS_ASSERT(m_type == ObjectType_Invalid);
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/* Set all fields. */
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m_handle = handle;
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m_type = type;
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m_managed = managed;
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m_object = object;
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}
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public:
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constexpr inline ObjectHolder() : m_handle(tipc::InvalidNativeHandle), m_type(ObjectType_Invalid), m_managed(false), m_object(nullptr) { /* ... */ }
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void InitializeAsPort(tipc::NativeHandle handle) {
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/* NOTE: Nintendo sets ports as managed, but this will cause a nullptr-deref if one is ever closed. */
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/* This is theoretically a non-issue, as ports can't be closed, but we will set ours as unmanaged, */
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/* just in case. */
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this->InitializeImpl(ObjectType_Port, handle, false, nullptr);
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}
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void InitializeAsSession(tipc::NativeHandle handle, bool managed, tipc::ServiceObjectBase *object) {
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this->InitializeImpl(ObjectType_Session, handle, managed, object);
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}
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void InitializeForDeferralManager(tipc::NativeHandle handle, tipc::ServiceObjectBase *object) {
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this->InitializeImpl(ObjectType_Deferral, handle, false, object);
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}
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void Destroy() {
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/* Validate that the object is constructed. */
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AMS_ASSERT(m_type != ObjectType_Invalid);
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/* If we're managed, destroy the associated object. */
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if (m_managed) {
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if (auto * const deleter = m_object->GetDeleter(); deleter != nullptr) {
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deleter->DeleteServiceObject(m_object);
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}
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}
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/* Reset all fields. */
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m_handle = tipc::InvalidNativeHandle;
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m_type = ObjectType_Invalid;
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m_managed = false;
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m_object = nullptr;
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}
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constexpr tipc::NativeHandle GetHandle() const {
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return m_handle;
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}
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constexpr ObjectType GetType() const {
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return m_type;
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}
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constexpr tipc::ServiceObjectBase *GetObject() const {
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return m_object;
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}
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};
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}
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