func (f *fs) handleCreate(r *fuse.CreateRequest) {
log.Println("Inside handleCreate")
log.Println(r)
resp := &fuse.CreateResponse{}
c, err := f.rpc.api.Create(f.getContext(), &pb.CreateRequest{Parent: uint64(r.Node), Name: r.Name, Attr: &pb.Attr{Uid: r.Uid, Gid: r.Gid, Mode: uint32(r.Mode)}})
if err != nil {
log.Fatalf("Failed to create file: %v", err)
}
resp.Node = fuse.NodeID(c.Attr.Inode)
copyAttr(&resp.Attr, c.Attr)
resp.EntryValid = 5 * time.Second
resp.Attr.Valid = 5 * time.Second
copyAttr(&resp.LookupResponse.Attr, c.Attr)
resp.LookupResponse.EntryValid = 5 * time.Second
resp.LookupResponse.Attr.Valid = 5 * time.Second
r.Respond(resp)
}
// Create file in drive, allocate kernel filehandle for writes
func (sc *serveConn) create(req *fuse.CreateRequest) {
if *readOnly && !req.Flags.IsReadOnly() {
req.RespondError(fuse.EPERM)
return
}
pInode := uint64(req.Header.Node)
parent, err := sc.db.FileByInode(pInode)
if err != nil {
debug.Printf("failed to get parent file: %v", err)
req.RespondError(fuse.EIO)
return
}
p := &drive.ParentReference{Id: parent.Id}
f := &drive.File{Title: req.Name}
f.Parents = []*drive.ParentReference{p}
f, err = sc.service.Files.Insert(f).Do()
if err != nil {
debug.Printf("Files.Insert(f).Do(): %v", err)
req.RespondError(fuse.EIO)
return
}
inode, err := sc.db.InodeForFileId(f.Id)
if err != nil {
debug.Printf("failed creating inode for %v: %v", req.Name, err)
req.RespondError(fuse.EIO)
return
}
r, w := io.Pipe() // plumbing between WriteRequest and Drive
h := sc.allocHandle(fuse.NodeID(inode), w)
go sc.updateInDrive(f, r)
// Tell fuse and the OS about the file
df, err := sc.db.UpdateFile(nil, f)
if err != nil {
debug.Printf("failed to update levelDB for %v: %v", f.Id, err)
// The write has happened to drive, but we failed to update the kernel.
// The Changes API will update Fuse, and when the kernel metadata for
// the parent directory expires, the new file will become visible.
req.RespondError(fuse.EIO)
return
}
resp := fuse.CreateResponse{
// describes the opened handle
OpenResponse: fuse.OpenResponse{
Handle: fuse.HandleID(h),
Flags: fuse.OpenNonSeekable,
},
// describes the created file
LookupResponse: fuse.LookupResponse{
Node: fuse.NodeID(inode),
EntryValid: *driveMetadataLatency,
Attr: sc.attrFromFile(*df),
},
}
fuse.Debug(fmt.Sprintf("Create(%v in %v): %+v", req.Name, parent.Title, resp))
req.Respond(&resp)
}