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-rw-r--r--include/hilbert/kernel/storage/fs/tarfs.hpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/hilbert/kernel/storage/fs/tarfs.hpp b/include/hilbert/kernel/storage/fs/tarfs.hpp
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+++ b/include/hilbert/kernel/storage/fs/tarfs.hpp
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+#ifndef HILBERT_KERNEL_STORAGE_FS_TARFS_HPP
+#define HILBERT_KERNEL_STORAGE_FS_TARFS_HPP
+
+#include <hilbert/kernel/storage.hpp>
+
+namespace hilbert::kernel::storage::fs {
+
+ class tarfs_instance : public file_system_instance {
+
+ private:
+ block_device *bd;
+
+ fs_result next_node(node_id_t node, std::optional<node_id_t> &out);
+ fs_result read_full_name(node_id_t node, utility::string &out);
+ //len <= 12.
+ fs_result read_num(uint64_t offset, unsigned len, uint64_t &out);
+ fs_result first_child_starting_at(node_id_t parent, node_id_t start, std::optional<node_id_t> &out);
+ fs_result get_dir_entry(node_id_t node, dir_entry &entry);
+
+ public:
+ tarfs_instance(block_device *bd);
+
+ fs_result get_root_node(node_id_t &out);
+ fs_result get_first_child(node_id_t node, std::optional<dir_entry> &out, directory_iter_t &iter_out);
+ fs_result get_next_child(node_id_t node, std::optional<dir_entry> &out, directory_iter_t &iter);
+ fs_result read_bytes_from_file(node_id_t node, uint64_t start, uint64_t count, void *into);
+
+ };
+
+}
+
+#endif