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/*
*
* 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_CALL_OP_SET_INTERFACE_H
#define GRPCPP_IMPL_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_CALL_OP_SET_INTERFACE_H
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