1 /*
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  */
18 
19 #ifndef GRPCPP_IMPL_CODEGEN_CALL_HOOK_H
20 #define GRPCPP_IMPL_CODEGEN_CALL_HOOK_H
21 
22 namespace grpc {
23 
24 namespace internal {
25 class CallOpSetInterface;
26 class Call;
27 
28 /// This is an interface that Channel and Server implement to allow them to hook
29 /// performing ops.
30 class CallHook {
31  public:
~CallHook()32   virtual ~CallHook() {}
33   virtual void PerformOpsOnCall(CallOpSetInterface* ops, Call* call) = 0;
34 };
35 }  // namespace internal
36 
37 }  // namespace grpc
38 
39 #endif  // GRPCPP_IMPL_CODEGEN_CALL_HOOK_H
40