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 #include <grpcpp/support/global_callback_hook.h> 16 17 #include <memory> 18 19 #include "absl/base/no_destructor.h" 20 #include "absl/log/check.h" 21 22 namespace grpc { 23 24 static absl::NoDestructor<std::shared_ptr<GlobalCallbackHook>> g_callback_hook( 25 std::make_shared<DefaultGlobalCallbackHook>()); 26 GetGlobalCallbackHook()27std::shared_ptr<GlobalCallbackHook> GetGlobalCallbackHook() { 28 return *g_callback_hook; 29 } 30 SetGlobalCallbackHook(GlobalCallbackHook * hook)31void SetGlobalCallbackHook(GlobalCallbackHook* hook) { 32 CHECK(hook != nullptr); 33 CHECK(hook != (*g_callback_hook).get()); 34 *g_callback_hook = std::shared_ptr<GlobalCallbackHook>(hook); 35 } 36 } // namespace grpc 37