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Factor new vfs module out of cmd/mountlib

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This is an OS style file system abstraction with directory caching
used in mount, cmount, serve webdav and serve http.
This commit is contained in:
Nick Craig-Wood
2017-10-28 20:01:34 +01:00
parent 6da6b2556b
commit c1aaff220d
20 changed files with 197 additions and 200 deletions
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26
cmd/mount/fs.go
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@@ -9,15 +9,15 @@ import (
"bazil.org/fuse"
fusefs "bazil.org/fuse/fs"
"github.com/ncw/rclone/cmd/mountlib"
"github.com/ncw/rclone/fs"
"github.com/ncw/rclone/vfs"
"github.com/pkg/errors"
"golang.org/x/net/context"
)
// FS represents the top level filing system
type FS struct {
*mountlib.FS
*vfs.VFS
f fs.Fs
}
@@ -27,8 +27,8 @@ var _ fusefs.FS = (*FS)(nil)
// NewFS makes a new FS
func NewFS(f fs.Fs) *FS {
fsys := &FS{
FS: mountlib.NewFS(f),
f: f,
VFS: vfs.New(f),
f: f,
}
return fsys
}
@@ -36,7 +36,7 @@ func NewFS(f fs.Fs) *FS {
// Root returns the root node
func (f *FS) Root() (node fusefs.Node, err error) {
defer fs.Trace("", "")("node=%+v, err=%v", &node, &err)
root, err := f.FS.Root()
root, err := f.VFS.Root()
if err != nil {
return nil, translateError(err)
}
@@ -69,21 +69,21 @@ func translateError(err error) error {
return nil
}
cause := errors.Cause(err)
if mErr, ok := cause.(mountlib.Error); ok {
if mErr, ok := cause.(vfs.Error); ok {
switch mErr {
case mountlib.OK:
case vfs.OK:
return nil
case mountlib.ENOENT:
case vfs.ENOENT:
return fuse.ENOENT
case mountlib.ENOTEMPTY:
case vfs.ENOTEMPTY:
return fuse.Errno(syscall.ENOTEMPTY)
case mountlib.EEXIST:
case vfs.EEXIST:
return fuse.EEXIST
case mountlib.ESPIPE:
case vfs.ESPIPE:
return fuse.Errno(syscall.ESPIPE)
case mountlib.EBADF:
case vfs.EBADF:
return fuse.Errno(syscall.EBADF)
case mountlib.EROFS:
case vfs.EROFS:
return fuse.Errno(syscall.EROFS)
}
}