1 #region Copyright notice and license 2 3 // Copyright 2015 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #endregion 18 19 using System; 20 21 namespace Grpc.Core 22 { 23 /// <summary> 24 /// Connectivity state of a channel. 25 /// Based on grpc_connectivity_state from grpc/grpc.h 26 /// </summary> 27 public enum ChannelState 28 { 29 /// <summary> 30 /// Channel is idle 31 /// </summary> 32 Idle, 33 34 /// <summary> 35 /// Channel is connecting 36 /// </summary> 37 Connecting, 38 39 /// <summary> 40 /// Channel is ready for work 41 /// </summary> 42 Ready, 43 44 /// <summary> 45 /// Channel has seen a failure but expects to recover 46 /// </summary> 47 TransientFailure, 48 49 /// <summary> 50 /// Channel has seen a failure that it cannot recover from 51 /// </summary> 52 Shutdown 53 } 54 } 55