| // Copyright 2016 Open Networking Laboratory |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| func Allocate(store Storage, mac string) (string, error) { |
| // Check to see if an IP address is already allocated and if so just |
| ip, err := store.Get(mac) |
| // This MAC does not already have an IP assigned, so pull then next |
| // one off the available queue and return it |
| ip, err = store.Dequeue() |
| func Release(store Storage, mac string) error { |
| ip, err := store.Remove(mac) |