1 /* 2 * Copyright (C) 2021 The Android Open Source Project 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 INCLUDE_PERFETTO_TRACING_INTERNAL_TRACING_BACKEND_FAKE_H_ 18 #define INCLUDE_PERFETTO_TRACING_INTERNAL_TRACING_BACKEND_FAKE_H_ 19 20 #include "perfetto/base/export.h" 21 #include "perfetto/tracing/tracing_backend.h" 22 23 namespace perfetto { 24 namespace internal { 25 26 // A built-in implementation of TracingBackend that fails any attempt to create 27 // a tracing session. 28 class PERFETTO_EXPORT TracingBackendFake : public TracingBackend { 29 public: 30 static TracingBackend* GetInstance(); 31 32 // TracingBackend implementation. 33 std::unique_ptr<ProducerEndpoint> ConnectProducer( 34 const ConnectProducerArgs&) override; 35 std::unique_ptr<ConsumerEndpoint> ConnectConsumer( 36 const ConnectConsumerArgs&) override; 37 38 private: 39 TracingBackendFake(); 40 }; 41 42 } // namespace internal 43 } // namespace perfetto 44 45 #endif // INCLUDE_PERFETTO_TRACING_INTERNAL_TRACING_BACKEND_FAKE_H_ 46