Lots of small stuff

cmd/jklfs/jklfile.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+)
+import "github.com/hanwen/go-fuse/fuse"
+import "github.com/hanwen/go-fuse/fuse/nodefs"
+import "io/ioutil"
+
+func NewJklfsFile() (nodefs.File, error) {
+	f, err := ioutil.TempFile("", "jklfile")
+	if err != nil {
+		return nil, err
+	}
+	return &jklfile{f}, nil
+}
+
+type jklfile struct {
+	*os.File
+}
+
+func (f *jklfile) InnerFile() nodefs.File {
+	return nil
+}
+
+func (f *jklfile) String() string {
+	return fmt.Sprintf("jklfile(%s)", f.Name())
+}
+
+func (f *jklfile) Write(data []byte, off int64) (uint32, fuse.Status) {
+	n, err := f.File.WriteAt(data, off)
+	if err != nil {
+		return fuse.EACCES
+	}
+	return uint32(n), fuse.OK
+}
+
+func (f *jklfile) Fsync(flag int) (code fuse.Status) {
+	return fuse.OK
+}
+
+func (f *jklfile) Truncate(size uint64) fuse.Status {
+	return fuse.EPERM
+}
+
+func (f *jklfile) Chmod(mode uint32) fuse.Status {
+	return fuse.EPERM
+}
+
+func (f *jklfile) Chown(uid uint32, gid uint32) fuse.Status {
+	return fuse.EPERM
+}
+
+func (f *jklfile) Allocate(off uint64, sz uint64, mode uint32) fuse.Status {
+	return fuse.EPERM
+}
+
+func (f *jklfile) Flush() fuse.Status {
+	return fuse.OK
+}
+
+func (f *jklfile) GetAttr(out *fuse.Attr) fuse.Status {
+	return fuse.OK
+}
+
+func (f *jklfile) Read(dest []byte, off int64) (fuse.ReadResult, fuse.Status) {
+	return nil, fuse.OK
+}
+func (f *jklfile) Release() {
+
+}
+func (f *jklfile) SetInode(i *nodefs.Inode) {}
+
+func (f *jklfile) Utimens(atime *time.Time, mtime *time.Time) fuse.Status {
+	return fuse.EPERM
+}