37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
#pragma once
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#include <glacier/container/hash_map.h>
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#include <glacier/memory/move.h>
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#include <glacier/memory/unique_ptr.h>
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#include <yellowstone/yellowstone.yunq.h>
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#include "fs/ext2/ext2.h"
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#include "fs/ext2/ext2_block_reader.h"
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#include "fs/ext2/inode_table.h"
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class Ext2Driver {
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public:
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static glcr::ErrorOr<Ext2Driver> Init(
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const yellowstone::DenaliInfo& denali_info);
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glcr::ErrorCode ProbePartition();
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glcr::ErrorOr<Inode*> GetInode(uint32_t inode_number);
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glcr::ErrorOr<glcr::Vector<DirEntry>> ReadDirectory(uint32_t inode_number);
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glcr::ErrorOr<mmth::OwnedMemoryRegion> ReadFile(uint64_t inode_number);
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private:
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glcr::SharedPtr<Ext2BlockReader> ext2_reader_;
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glcr::UniquePtr<InodeTable> inode_table_;
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glcr::HashMap<uint64_t, mmth::OwnedMemoryRegion> inode_cache_;
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Ext2Driver(const glcr::SharedPtr<Ext2BlockReader>& reader,
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glcr::UniquePtr<InodeTable> inode_table)
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: ext2_reader_(reader), inode_table_(glcr::Move(inode_table)) {}
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glcr::ErrorOr<mmth::OwnedMemoryRegion> ReadInode(uint64_t inode_num,
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Inode* inode);
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};
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