1 // 2 // Copyright 2022 gRPC authors. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef GRPC_SRC_CORE_CLIENT_CHANNEL_SUBCHANNEL_INTERFACE_INTERNAL_H 18 #define GRPC_SRC_CORE_CLIENT_CHANNEL_SUBCHANNEL_INTERFACE_INTERNAL_H 19 20 #include <grpc/support/port_platform.h> 21 22 #include "src/core/client_channel/subchannel.h" 23 #include "src/core/load_balancing/subchannel_interface.h" 24 #include "src/core/util/unique_type_name.h" 25 26 namespace grpc_core { 27 28 // Internal interface for watching data of a particular type for this 29 // subchannel. 30 class InternalSubchannelDataWatcherInterface 31 : public SubchannelInterface::DataWatcherInterface { 32 public: 33 virtual UniqueTypeName type() const = 0; 34 35 // Tells the watcher which subchannel to register itself with. 36 virtual void SetSubchannel(Subchannel* subchannel) = 0; 37 }; 38 39 } // namespace grpc_core 40 41 #endif // GRPC_SRC_CORE_CLIENT_CHANNEL_SUBCHANNEL_INTERFACE_INTERNAL_H 42