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tipc: implement framework/server support logic (except for actual processing)

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Michael Scire 2021-04-09 00:06:03 -07:00 • committed by SciresM
parent e3a65b1405
commit 822875ecf5
7 changed files with 609 additions and 3 deletions
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92
libraries/libstratosphere/include/stratosphere/tipc/tipc_waitable_object.hpp Normal file
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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <stratosphere/tipc/tipc_common.hpp>
#include <stratosphere/tipc/tipc_service_object.hpp>
namespace ams::tipc {
class WaitableObject {
public:
enum ObjectType : u8 {
ObjectType_Invalid = 0,
ObjectType_Port = 1,
ObjectType_Session = 2,
};
private:
svc::Handle m_handle;
ObjectType m_type;
bool m_managed;
tipc::ServiceObjectBase *m_object;
private:
void InitializeImpl(ObjectType type, svc::Handle handle, bool managed, tipc::ServiceObjectBase *object) {
/* Validate that the object isn't already constructed. */
AMS_ASSERT(m_type == ObjectType_Invalid);
/* Set all fields. */
m_handle = handle;
m_type = type;
m_managed = managed;
m_object = object;
}
public:
constexpr inline WaitableObject() : m_handle(svc::InvalidHandle), m_type(ObjectType_Invalid), m_managed(false), m_object(nullptr) { /* ... */ }
void InitializeAsPort(svc::Handle handle) {
/* NOTE: Nintendo sets ports as managed, but this will cause a nullptr-deref if one is ever closed. */
/* This is theoretically a non-issue, as ports can't be closed, but we will set ours as unmanaged, */
/* just in case. */
this->InitializeImpl(ObjectType_Port, handle, false, nullptr);
}
void InitializeAsSession(svc::Handle handle, bool managed, tipc::ServiceObjectBase *object) {
this->InitializeImpl(ObjectType_Session, handle, managed, object);
}
void Destroy() {
/* Validate that the object is constructed. */
AMS_ASSERT(m_type != ObjectType_Invalid);
/* If we're managed, destroy the associated object. */
if (m_managed) {
if (auto * const deleter = m_object->GetDeleter(); deleter != nullptr) {
deleter->DeleteServiceObject(m_object);
}
}
/* Reset all fields. */
m_handle = svc::InvalidHandle;
m_type = ObjectType_Invalid;
m_managed = false;
m_object = nullptr;
}
constexpr svc::Handle GetHandle() const {
return m_handle;
}
constexpr ObjectType GetType() const {
return m_type;
}
constexpr tipc::ServiceObjectBase *GetObject() const {
return m_object;
}
};
}