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