// Creates a fid for the specified user that points to the root
// of the file server's file tree. Returns a Fid pointing to the root,
// if successful, or an Error.
func (clnt *Clnt) Attach(afid *Fid, user ninep.User, aname string) (*Fid, error) {
var afno uint32
if afid != nil {
afno = afid.Fid
} else {
afno = ninep.NOFID
}
fid := clnt.FidAlloc()
tc := clnt.NewFcall()
err := ninep.PackTattach(tc, fid.Fid, afno, user.Name(), aname, uint32(user.Id()), clnt.Dotu)
if err != nil {
return nil, err
}
rc, err := clnt.Rpc(tc)
if err != nil {
return nil, err
}
fid.Qid = rc.Qid
fid.User = user
fid.walked = true
clnt.Root = fid
return fid, nil
}
func (tag *Tag) Attach(fid, afid *Fid, user ninep.User, aname string) error {
var afno uint32
if afid != nil {
afno = afid.Fid
} else {
afno = ninep.NOFID
}
req := tag.reqAlloc()
req.fid = fid
err := ninep.PackTattach(req.Tc, fid.Fid, afno, user.Name(), aname, uint32(user.Id()), tag.clnt.Dotu)
if err != nil {
return err
}
fid.User = user
return tag.clnt.Rpcnb(req)
}