1 // 2 // Copyright 2019 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_LOAD_BALANCING_BACKEND_METRIC_PARSER_H 18 #define GRPC_SRC_CORE_LOAD_BALANCING_BACKEND_METRIC_PARSER_H 19 20 #include <grpc/support/port_platform.h> 21 22 #include <stddef.h> 23 24 #include "absl/strings/string_view.h" 25 26 #include "src/core/load_balancing/backend_metric_data.h" 27 28 namespace grpc_core { 29 30 class BackendMetricAllocatorInterface { 31 public: 32 virtual ~BackendMetricAllocatorInterface() = default; 33 34 virtual BackendMetricData* AllocateBackendMetricData() = 0; 35 36 virtual char* AllocateString(size_t size) = 0; 37 }; 38 39 // Parses the serialized load report and populates out. 40 // Returns false on error. 41 const BackendMetricData* ParseBackendMetricData( 42 absl::string_view serialized_load_report, 43 BackendMetricAllocatorInterface* allocator); 44 45 } // namespace grpc_core 46 47 #endif // GRPC_SRC_CORE_LOAD_BALANCING_BACKEND_METRIC_PARSER_H 48