1 /* 2 * 3 * Copyright 2016 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 */ 18 19 #ifndef GRPC_IMPL_CODEGEN_CONNECTIVITY_STATE_H 20 #define GRPC_IMPL_CODEGEN_CONNECTIVITY_STATE_H 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 /** Connectivity state of a channel. */ 27 typedef enum { 28 /** channel is idle */ 29 GRPC_CHANNEL_IDLE, 30 /** channel is connecting */ 31 GRPC_CHANNEL_CONNECTING, 32 /** channel is ready for work */ 33 GRPC_CHANNEL_READY, 34 /** channel has seen a failure but expects to recover */ 35 GRPC_CHANNEL_TRANSIENT_FAILURE, 36 /** channel has seen a failure that it cannot recover from */ 37 GRPC_CHANNEL_SHUTDOWN 38 } grpc_connectivity_state; 39 40 #ifdef __cplusplus 41 } 42 #endif 43 44 #endif /* GRPC_IMPL_CODEGEN_CONNECTIVITY_STATE_H */ 45