func (tag *Tag) Read(fid *Fid, offset uint64, count uint32) error {
req := tag.reqAlloc()
req.fid = fid
err := p.PackTread(req.Tc, fid.Fid, offset, count)
if err != nil {
return err
}
return tag.clnt.Rpcnb(req)
}
// Reads count bytes starting from offset from the file associated with the fid.
// Returns a slice with the data read, if the operation was successful, or an
// Error.
func (clnt *Clnt) Read(fid *Fid, offset uint64, count uint32) ([]byte, error) {
if count > fid.Iounit {
count = fid.Iounit
}
tc := clnt.NewFcall()
err := p.PackTread(tc, fid.Fid, offset, count)
if err != nil {
return nil, err
}
rc, err := clnt.Rpc(tc)
if err != nil {
return nil, err
}
return rc.Data, nil
}