Further work on Inode

2020-11-12 09:50:52 -06:00
parent 8fa093763f
commit 78c35cf720
4 changed files with 154 additions and 21 deletions
@@ -0,0 +1,89 @@
+package inode
+
+import (
+	"encoding/binary"
+	"errors"
+	"io"
+	"strconv"
+)
+
+const (
+	basicDirectory = iota + 1
+	basicFile
+	basicSymlink
+	basicBlockDevice
+	basicCharDevice
+	basicFifo
+	basicSocket
+	extendedDirectory
+	extendedFile
+	extendedSymlink
+	extendedBlockDevice
+	extendedCharDevice
+	extendedFifo
+	extendedSocket
+)
+
+func ProcessInode(rdr *io.Reader) (*InodeCommon, interface{}, error) {
+	var inodeHeader InodeCommon
+	err := binary.Read(*rdr, binary.LittleEndian, &inodeHeader)
+	if err != nil {
+		return nil, nil, err
+	}
+	switch inodeHeader.InodeType {
+	case basicDirectory:
+		var inode BasicDirectory
+		err = binary.Read(*rdr, binary.LittleEndian, &inode)
+		return &inodeHeader, inode, err
+	case basicFile:
+		var inode BasicFile
+		err = binary.Read(*rdr, binary.LittleEndian, &inode)
+		return &inodeHeader, inode, err
+	case basicSymlink:
+		inode, err := NewBasicSymlink(rdr)
+		return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	// case basicFile:
+	// 	var inode BasicFile
+	// 	err = binary.Read(*rdr, binary.LittleEndian, &inode)
+	// 	return &inodeHeader, inode, err
+	//TODO: implement ALL cases
+	default:
+		return nil, nil, errors.New("Inode type is unrecognized: " + strconv.FormatInt(int64(inodeHeader.InodeType), 2))
+	}
+}