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Pods/gRPC-C++/include/grpcpp/impl/call_hook.h

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+//
+//
+// Copyright 2015 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_HOOK_H
+#define GRPCPP_IMPL_CALL_HOOK_H
+
+namespace grpc {
+
+namespace internal {
+class CallOpSetInterface;
+class Call;
+
+/// This is an interface that Channel and Server implement to allow them to hook
+/// performing ops.
+class CallHook {
+ public:
+  virtual ~CallHook() {}
+  virtual void PerformOpsOnCall(CallOpSetInterface* ops, Call* call) = 0;
+};
+}  // namespace internal
+
+}  // namespace grpc
+
+#endif  // GRPCPP_IMPL_CALL_HOOK_H