1 // Copyright 2024 The gRPC Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef GRPC_SUPPORT_METRICS_H 16 #define GRPC_SUPPORT_METRICS_H 17 18 #include "absl/strings/string_view.h" 19 20 #include <grpc/support/port_platform.h> 21 22 namespace grpc_core { 23 namespace experimental { 24 25 // Configuration (scope) for a specific client channel to be used for stats 26 // plugins. 27 class StatsPluginChannelScope { 28 public: StatsPluginChannelScope(absl::string_view target,absl::string_view default_authority)29 StatsPluginChannelScope(absl::string_view target, 30 absl::string_view default_authority) 31 : target_(target), default_authority_(default_authority) {} 32 33 /// Returns the target used for creating the channel in the canonical form. 34 /// (Canonicalized target definition - 35 /// https://github.com/grpc/proposal/blob/master/A66-otel-stats.md) target()36 absl::string_view target() const { return target_; } 37 /// Returns the default authority for the channel. default_authority()38 absl::string_view default_authority() const { return default_authority_; } 39 40 private: 41 // Disable copy constructor and copy-assignment operator. 42 StatsPluginChannelScope(const StatsPluginChannelScope&) = delete; 43 StatsPluginChannelScope& operator=(const StatsPluginChannelScope&) = delete; 44 absl::string_view target_; 45 absl::string_view default_authority_; 46 }; 47 48 } // namespace experimental 49 } // namespace grpc_core 50 51 #endif /* GRPC_SUPPORT_METRICS_H */ 52