Exemple #1
0
	dirty   dirtiness
	handles uint32

	// when was this entry last changed
	// TODO: written time.Time
}

var _ = node(&file{})
var _ = fs.Node(&file{})
var _ = fs.NodeForgetter(&file{})
var _ = fs.NodeOpener(&file{})
var _ = fs.NodeSetattrer(&file{})
var _ = fs.NodeFsyncer(&file{})
var _ = fs.HandleFlusher(&file{})
var _ = fs.HandleReader(&file{})
var _ = fs.HandleWriter(&file{})
var _ = fs.HandleReleaser(&file{})

func (f *file) setName(name string) {
	f.mu.Lock()
	defer f.mu.Unlock()
	f.name = name
}

func (f *file) marshalInternal() (*wire.Dirent, error) {
	de := &wire.Dirent{
		Inode: f.inode,
	}
	manifest, err := f.blob.Save()
	if err != nil {
		return nil, err
Exemple #2
0
package record

import (
	"sync"
	"sync/atomic"

	"bazil.org/fuse"
	"bazil.org/fuse/fs"
)

// Writes gathers data from FUSE Write calls.
type Writes struct {
	buf Buffer
}

var _ = fs.HandleWriter(&Writes{})

func (w *Writes) Write(req *fuse.WriteRequest, resp *fuse.WriteResponse, intr fs.Intr) fuse.Error {
	n, err := w.buf.Write(req.Data)
	resp.Size = n
	if err != nil {
		// TODO hiding error
		return fuse.EIO
	}
	return nil
}

func (w *Writes) RecordedWriteData() []byte {
	return w.buf.Bytes()
}
Exemple #3
0
	l := []fuse.Dirent{
		{Inode: 2, Name: "bench", Type: fuse.DT_File},
	}
	return l, nil
}

type benchFile struct {
	conf *benchConfig
}

var _ = fs.Node(benchFile{})
var _ = fs.NodeOpener(benchFile{})
var _ = fs.NodeFsyncer(benchFile{})
var _ = fs.Handle(benchFile{})
var _ = fs.HandleReader(benchFile{})
var _ = fs.HandleWriter(benchFile{})

func (benchFile) Attr() fuse.Attr {
	return fuse.Attr{Inode: 2, Mode: 0644, Size: 9999999999999999}
}

func (f benchFile) Open(req *fuse.OpenRequest, resp *fuse.OpenResponse, intr fs.Intr) (fs.Handle, fuse.Error) {
	if f.conf.directIO {
		resp.Flags |= fuse.OpenDirectIO
	}
	// TODO configurable?
	resp.Flags |= fuse.OpenKeepCache
	return f, nil
}

func (benchFile) Read(req *fuse.ReadRequest, resp *fuse.ReadResponse, intr fs.Intr) fuse.Error {
Exemple #4
0
	glog.Infof("Reading file: %s.\n", fh.r.Name())
	if _, err := fh.r.Seek(req.Offset, 0); err != nil {
		return err
	}
	buf := make([]byte, req.Size)
	n, err := fh.r.Read(buf)
	resp.Data = buf[:n]
	if err != nil && err != io.EOF {
		glog.Error(err)
		return err
	}
	return nil
}

var _ = fs.HandleWriter(&FileHandle{})

func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
	glog.Infof("Entered Write\n")
	//TODO: Check if we need to add something here for playlists and drop directories.
	if fh.r == nil {
		if fh.f.name == ".description" {
			glog.Errorf("Not allowed to write description file.\n")
			//TODO: Allow to write description
			return nil
		}
		return fuse.EIO
	}

	glog.Infof("Writing file: %s.\n", fh.r.Name())
	if _, err := fh.r.Seek(req.Offset, 0); err != nil {
Exemple #5
0
	n, err := h.layer.Seek(0, os.SEEK_SET)
	if err != nil {
		log.Warningf("Seek failed on flush: %v", err)
		return fuse.ENODATA
	}

	if n != 0 {
		log.Warningf("Seek offset is not 0")
	}

	err = h.fsys.Store.StageFromReader(h.path, h.layer, compress.AlgoSnappy)
	if err != nil && err != store.ErrNoChange {
		log.Warningf("Add failed: %v", err)
		return fuse.ENODATA
	}

	if err := h.layer.Close(); err != nil {
		log.Warningf("Close failed: %v", err)
		return fuse.ENODATA
	}

	return nil
}

// Compiler checks to see if we got all the interfaces right:
var _ = fs.HandleFlusher(&Handle{})
var _ = fs.HandleReader(&Handle{})
var _ = fs.HandleReleaser(&Handle{})
var _ = fs.HandleWriter(&Handle{})