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 // IWYU pragma: private
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 /** Connectivity state of a channel. */
29 typedef enum {
30   /** channel is idle */
31   GRPC_CHANNEL_IDLE,
32   /** channel is connecting */
33   GRPC_CHANNEL_CONNECTING,
34   /** channel is ready for work */
35   GRPC_CHANNEL_READY,
36   /** channel has seen a failure but expects to recover */
37   GRPC_CHANNEL_TRANSIENT_FAILURE,
38   /** channel has seen a failure that it cannot recover from */
39   GRPC_CHANNEL_SHUTDOWN
40 } grpc_connectivity_state;
41 
42 #ifdef __cplusplus
43 }
44 #endif
45 
46 #endif /* GRPC_IMPL_CODEGEN_CONNECTIVITY_STATE_H */
47