lib9p

commit deb949a348d45d78b272cde3befb84ddaaa6afe1
parent 167da5aa0f2333ae79765c024d7415d689045408
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Sun, 24 Sep 2023 08:02:14 +0900

update numfs

Diffstat:
M
cmd/numfs.go
 | 
47
++++++++++++++++++++++++-----------------------

1 file changed, 24 insertions(+), 23 deletions(-)
diff --git a/cmd/numfs.go b/cmd/numfs.go
@@ -5,11 +5,9 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/fs"
 	"log"
 	"net"
 	"os"
-	"strconv"
 
 	"lib9p"
 )
@@ -33,27 +31,8 @@ func init() {
 
 type numFS struct{}
 
-func (fsys *numFS) Open(name string) (lib9p.File, error) {
-	switch name {
-	case ".":
-		return root, nil
-	case "0", "1", "2", "3":
-		d, err := strconv.Atoi(name)
-		if err != nil {
-			return nil, &fs.PathError{
-				Op:   "open",
-				Path: name,
-				Err:  fmt.Errorf("invalid number %s", name),
-			}
-		}
-		return root.children[d], nil
-	default:
-		return nil, &fs.PathError{
-			Op:   "open",
-			Path: name,
-			Err:  fmt.Errorf("not found"),
-		}
-	}
+func (fsys *numFS) Root() lib9p.File {
+	return root
 }
 
 type numFile struct {
@@ -104,6 +83,24 @@ func (f *numFile) Stat() (*lib9p.FileInfo, error) {
 	return &lib9p.FileInfo{stat}, nil
 }
 
+func (f *numFile) Qid() lib9p.Qid {
+	var qid lib9p.Qid
+	if f.id == -1 {
+		qid = lib9p.Qid{
+			Type: lib9p.QTDIR,
+			Vers: 0,
+			Path: ^uint64(0),
+		}
+	} else {
+		qid = lib9p.Qid{
+			Type: lib9p.QTFILE,
+			Vers: 0,
+			Path: uint64(f.id),
+		}
+	}
+	return qid
+}
+
 func (f *numFile) Read(p []byte) (int, error) {
 	if f.id == -1 {
 		return 0, fmt.Errorf("is a directory")
@@ -118,6 +115,10 @@ func (f *numFile) ReadAt(p []byte, off int64) (n int, err error) {
 	return f.reader.ReadAt(p, off)
 }
 
+func (f *numFile) Open(mode lib9p.OpenMode) error {
+	return nil
+}
+
 func (f *numFile) Close() error {
 	f.reader.Seek(0, io.SeekStart)
 	return nil