1/*
2 *
3 * Copyright 2018 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19#ifndef GRPCPP_IMPL_CALL_OP_SET_INTERFACE_H
20#define GRPCPP_IMPL_CALL_OP_SET_INTERFACE_H
21
22// IWYU pragma: private
23
24#include <grpcpp/impl/codegen/completion_queue_tag.h>
25
26namespace grpc {
27namespace internal {
28
29class Call;
30
31/// An abstract collection of call ops, used to generate the
32/// grpc_call_op structure to pass down to the lower layers,
33/// and as it is-a CompletionQueueTag, also massages the final
34/// completion into the correct form for consumption in the C++
35/// API.
36class CallOpSetInterface : public CompletionQueueTag {
37 public:
38 /// Fills in grpc_op, starting from ops[*nops] and moving
39 /// upwards.
40 virtual void FillOps(internal::Call* call) = 0;
41
42 /// Get the tag to be used at the core completion queue. Generally, the
43 /// value of core_cq_tag will be "this". However, it can be overridden if we
44 /// want core to process the tag differently (e.g., as a core callback)
45 virtual void* core_cq_tag() = 0;
46
47 // This will be called while interceptors are run if the RPC is a hijacked
48 // RPC. This should set hijacking state for each of the ops.
49 virtual void SetHijackingState() = 0;
50
51 // Should be called after interceptors are done running
52 virtual void ContinueFillOpsAfterInterception() = 0;
53
54 // Should be called after interceptors are done running on the finalize result
55 // path
56 virtual void ContinueFinalizeResultAfterInterception() = 0;
57};
58} // namespace internal
59} // namespace grpc
60
61#endif // GRPCPP_IMPL_CALL_OP_SET_INTERFACE_H
62

source code of include/grpcpp/impl/call_op_set_interface.h