connectivity_state.h 1.3 KB

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