diff options
Diffstat (limited to 'include/grpcpp/impl/codegen/call_op_set_interface.h')
-rw-r--r-- | include/grpcpp/impl/codegen/call_op_set_interface.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/grpcpp/impl/codegen/call_op_set_interface.h b/include/grpcpp/impl/codegen/call_op_set_interface.h new file mode 100644 index 0000000000..815227a299 --- /dev/null +++ b/include/grpcpp/impl/codegen/call_op_set_interface.h @@ -0,0 +1,59 @@ +/* + * + * 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 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* 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 |