| /* |
| * |
| * Copyright 2015 gRPC 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. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H |
| #define GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H |
| |
| #include <stdbool.h> |
| |
| typedef enum { |
| // normal top-half client channel with load-balancing, connection management |
| GRPC_CLIENT_CHANNEL, |
| // bottom-half of a client channel: everything that happens post-load |
| // balancing (bound to a specific transport) |
| GRPC_CLIENT_SUBCHANNEL, |
| // a permanently broken client channel |
| GRPC_CLIENT_LAME_CHANNEL, |
| // a directly connected client channel (without load-balancing, directly talks |
| // to a transport) |
| GRPC_CLIENT_DIRECT_CHANNEL, |
| // server side channel |
| GRPC_SERVER_CHANNEL, |
| // must be last |
| GRPC_NUM_CHANNEL_STACK_TYPES |
| } grpc_channel_stack_type; |
| |
| bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type); |
| |
| const char* grpc_channel_stack_type_string(grpc_channel_stack_type type); |
| |
| #endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H */ |