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/*
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*
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* Copyright 2018 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef GRPCPP_IMPL_CODEGEN_CALL_OP_SET_INTERFACE_H
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#define GRPCPP_IMPL_CODEGEN_CALL_OP_SET_INTERFACE_H
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#include <grpcpp/impl/codegen/completion_queue_tag.h>
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namespace grpc {
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namespace internal {
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class Call;
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/// An abstract collection of call ops, used to generate the
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/// grpc_call_op structure to pass down to the lower layers,
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/// and as it is-a CompletionQueueTag, also massages the final
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/// completion into the correct form for consumption in the C++
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/// API.
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class CallOpSetInterface : public CompletionQueueTag {
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public:
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/// Fills in grpc_op, starting from ops[*nops] and moving
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/// upwards.
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virtual void FillOps(internal::Call* call) = 0;
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/// Get the tag to be used at the core completion queue. Generally, the
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/// value of core_cq_tag will be "this". However, it can be overridden if we
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/// want core to process the tag differently (e.g., as a core callback)
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virtual void* core_cq_tag() = 0;
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// This will be called while interceptors are run if the RPC is a hijacked
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// RPC. This should set hijacking state for each of the ops.
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virtual void SetHijackingState() = 0;
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// Should be called after interceptors are done running
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virtual void ContinueFillOpsAfterInterception() = 0;
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// Should be called after interceptors are done running on the finalize result
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// path
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virtual void ContinueFinalizeResultAfterInterception() = 0;
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};
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} // namespace internal
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} // namespace grpc
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#endif // GRPCPP_IMPL_CODEGEN_CALL_OP_SET_INTERFACE_H
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