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