1 // 2 // Copyright 2024 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_EXT_XDS_XDS_METRICS_H 18 #define GRPC_SRC_CORE_EXT_XDS_XDS_METRICS_H 19 20 #include <grpc/support/port_platform.h> 21 22 #include "absl/strings/string_view.h" 23 24 namespace grpc_core { 25 26 // An interface for XdsClient to report metrics. 27 class XdsMetricsReporter { 28 public: 29 virtual ~XdsMetricsReporter() = default; 30 31 virtual void ReportResourceUpdates(absl::string_view xds_server, 32 absl::string_view resource_type, 33 uint64_t num_valid, 34 uint64_t num_invalid) = 0; 35 }; 36 37 } // namespace grpc_core 38 39 #endif // GRPC_SRC_CORE_EXT_XDS_XDS_METRICS_H 40