/* * * 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 // IWYU pragma: private #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