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Kernel/SysFS: Split bulky SysFSUSB file into two separate class files

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Liav A 2022-04-22 10:04:37 +03:00 • committed by Andreas Kling
parent 290eb53cb5
commit e488245234
7 changed files with 145 additions and 116 deletions
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44
Kernel/FileSystem/SysFS/Subsystems/Bus/USB/DeviceInformation.h Normal file
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/*
* Copyright (c) 2021-2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Bus/USB/USBDevice.h>
#include <Kernel/FileSystem/SysFS.h>
#include <Kernel/KBufferBuilder.h>
#include <Kernel/KString.h>
#include <Kernel/Locking/Mutex.h>
namespace Kernel {
class SysFSUSBDeviceInformation : public SysFSComponent {
friend class SysFSUSBBusDirectory;
public:
virtual ~SysFSUSBDeviceInformation() override;
static ErrorOr<NonnullRefPtr<SysFSUSBDeviceInformation>> create(USB::Device&);
virtual StringView name() const override { return m_device_name->view(); }
RefPtr<USB::Device> device() const { return m_device; }
protected:
SysFSUSBDeviceInformation(NonnullOwnPtr<KString> device_name, USB::Device& device);
virtual ErrorOr<size_t> read_bytes(off_t offset, size_t count, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
IntrusiveListNode<SysFSUSBDeviceInformation, RefPtr<SysFSUSBDeviceInformation>> m_list_node;
NonnullRefPtr<USB::Device> m_device;
private:
ErrorOr<void> try_generate(KBufferBuilder&);
virtual ErrorOr<void> refresh_data(OpenFileDescription& description) const override;
mutable Mutex m_lock { "SysFSUSBDeviceInformation" };
NonnullOwnPtr<KString> m_device_name;
};
}