func lookupDatapath(dpif *odp.Dpif, name string) (*odp.DatapathHandle, string) {
dph, err := dpif.LookupDatapath(name)
if err == nil {
return &dph, name
}
if !odp.IsNoSuchDatapathError(err) {
printErr("%s", err)
return nil, ""
}
// If the name is a number, try to use it as an ifindex
ifindex, err := strconv.ParseUint(name, 10, 32)
if err == nil {
dp, err := dpif.LookupDatapathByIndex(int32(ifindex))
if err == nil {
return &dp.Handle, dp.Name
}
if !odp.IsNoSuchDatapathError(err) {
printErr("%s", err)
return nil, ""
}
}
printErr("Cannot find datapath \"%s\"", name)
return nil, ""
}
func DeleteDatapath(dpname string) error {
dpif, err := odp.NewDpif()
if err != nil {
return err
}
defer dpif.Close()
dp, err := dpif.LookupDatapath(dpname)
if err != nil {
if odp.IsNoSuchDatapathError(err) {
return nil
}
return err
}
return dp.Delete()
}