1 // Copyright 2024 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_SRC_CORE_LIB_EVENT_ENGINE_EXTENSIONS_TCP_TRACE_H 16 #define GRPC_SRC_CORE_LIB_EVENT_ENGINE_EXTENSIONS_TCP_TRACE_H 17 18 #include <memory> 19 20 #include "absl/strings/string_view.h" 21 #include "src/core/telemetry/tcp_tracer.h" 22 23 namespace grpc_event_engine { 24 namespace experimental { 25 26 /** If non-zero, enable TCP tracing and stats collection. */ 27 #define GRPC_ARG_TCP_TRACING_ENABLED "grpc.tcp_tracing_enabled" 28 29 class TcpTraceExtension { 30 public: 31 virtual ~TcpTraceExtension() = default; EndpointExtensionName()32 static absl::string_view EndpointExtensionName() { 33 return "io.grpc.event_engine.extension.tcp_trace"; 34 } 35 virtual std::shared_ptr<grpc_core::TcpTracerInterface> 36 InitializeAndReturnTcpTracer() = 0; 37 }; 38 39 } // namespace experimental 40 } // namespace grpc_event_engine 41 42 #endif // GRPC_SRC_CORE_LIB_EVENT_ENGINE_EXTENSIONS_TCP_TRACE_H 43