| // Copyright 2021 The gVisor Authors. |
| // |
| // 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. |
| |
| package transport |
| |
| import ( |
| "fmt" |
| |
| "gvisor.dev/gvisor/pkg/tcpip" |
| ) |
| |
| // DatagramEndpointState is the state of a datagram-based endpoint. |
| type DatagramEndpointState tcpip.EndpointState |
| |
| // The states a datagram-based endpoint may be in. |
| const ( |
| _ DatagramEndpointState = iota |
| DatagramEndpointStateInitial |
| DatagramEndpointStateBound |
| DatagramEndpointStateConnected |
| DatagramEndpointStateClosed |
| ) |
| |
| // String implements fmt.Stringer. |
| func (s DatagramEndpointState) String() string { |
| switch s { |
| case DatagramEndpointStateInitial: |
| return "INITIAL" |
| case DatagramEndpointStateBound: |
| return "BOUND" |
| case DatagramEndpointStateConnected: |
| return "CONNECTED" |
| case DatagramEndpointStateClosed: |
| return "CLOSED" |
| default: |
| panic(fmt.Sprintf("unhandled %[1]T variant = %[1]d", s)) |
| } |
| } |