| /* |
| * |
| * Copyright 2018 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 GRPCPP_IMPL_CODEGEN_CALL_OP_SET_INTERFACE_H |
| #define GRPCPP_IMPL_CODEGEN_CALL_OP_SET_INTERFACE_H |
| |
| #include <grpcpp/impl/codegen/completion_queue_tag.h> |
| |
| namespace grpc { |
| namespace internal { |
| |
| class Call; |
| |
| /// An abstract collection of call ops, used to generate the |
| /// grpc_call_op structure to pass down to the lower layers, |
| /// and as it is-a CompletionQueueTag, also massages the final |
| /// completion into the correct form for consumption in the C++ |
| /// API. |
| class CallOpSetInterface : public CompletionQueueTag { |
| public: |
| /// Fills in grpc_op, starting from ops[*nops] and moving |
| /// upwards. |
| virtual void FillOps(internal::Call* call) = 0; |
| |
| /// Get the tag to be used at the core completion queue. Generally, the |
| /// value of core_cq_tag will be "this". However, it can be overridden if we |
| /// want core to process the tag differently (e.g., as a core callback) |
| virtual void* core_cq_tag() = 0; |
| |
| // This will be called while interceptors are run if the RPC is a hijacked |
| // RPC. This should set hijacking state for each of the ops. |
| virtual void SetHijackingState() = 0; |
| |
| // Should be called after interceptors are done running |
| virtual void ContinueFillOpsAfterInterception() = 0; |
| |
| // Should be called after interceptors are done running on the finalize result |
| // path |
| virtual void ContinueFinalizeResultAfterInterception() = 0; |
| }; |
| } // namespace internal |
| } // namespace grpc |
| |
| #endif // GRPCPP_IMPL_CODEGEN_CALL_OP_SET_INTERFACE_H |