1 /* 2 * Copyright (C) 2018 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 TEST_FAKE_PRODUCER_H_ 18 #define TEST_FAKE_PRODUCER_H_ 19 20 #include <memory> 21 #include <random> 22 #include <string> 23 24 #include "perfetto/ext/base/thread_checker.h" 25 #include "perfetto/ext/tracing/core/producer.h" 26 #include "perfetto/ext/tracing/ipc/producer_ipc_client.h" 27 #include "perfetto/tracing/core/data_source_descriptor.h" 28 #include "perfetto/tracing/core/trace_config.h" 29 #include "src/base/test/test_task_runner.h" 30 31 namespace perfetto { 32 33 namespace protos { 34 namespace gen { 35 class TestConfig; 36 } // namespace gen 37 } // namespace protos 38 39 class FakeProducer : public Producer { 40 public: 41 explicit FakeProducer(const std::string& name, base::TaskRunner* task_runner); 42 ~FakeProducer() override; 43 44 void Connect(const char* socket_name, 45 std::function<void()> on_connect, 46 std::function<void()> on_setup_data_source_instance, 47 std::function<void()> on_create_data_source_instance, 48 std::unique_ptr<SharedMemory> shm = nullptr, 49 std::unique_ptr<SharedMemoryArbiter> shm_arbiter = nullptr); 50 51 // Produces a batch of events (as configured by the passed config) before the 52 // producer is connected to the service using the provided unbound arbiter. 53 // Posts |callback| once the data was written. May only be called once. 54 void ProduceStartupEventBatch( 55 const protos::gen::TestConfig& config, 56 SharedMemoryArbiter* arbiter, 57 std::function<void()> callback = [] {}); 58 59 // Produces a batch of events (as configured in the DataSourceConfig) and 60 // posts a callback when the service acknowledges the commit. 61 void ProduceEventBatch(std::function<void()> callback = [] {}); 62 63 void RegisterDataSource(const DataSourceDescriptor&); 64 void CommitData(const CommitDataRequest&, std::function<void()> callback); 65 void Sync(std::function<void()> callback); 66 IsShmemProvidedByProducer()67 bool IsShmemProvidedByProducer() const { 68 return endpoint_->IsShmemProvidedByProducer(); 69 } 70 71 // Producer implementation. 72 void OnConnect() override; 73 void OnDisconnect() override; 74 void SetupDataSource(DataSourceInstanceID, 75 const DataSourceConfig& source_config) override; 76 void StartDataSource(DataSourceInstanceID, 77 const DataSourceConfig& source_config) override; 78 void StopDataSource(DataSourceInstanceID) override; 79 void OnTracingSetup() override; 80 void Flush(FlushRequestID, const DataSourceInstanceID*, size_t) override; ClearIncrementalState(const DataSourceInstanceID *,size_t)81 void ClearIncrementalState(const DataSourceInstanceID* /*data_source_ids*/, 82 size_t /*num_data_sources*/) override {} 83 84 private: 85 void SetupFromConfig(const protos::gen::TestConfig& config); 86 void EmitEventBatchOnTaskRunner(std::function<void()> callback); 87 88 base::ThreadChecker thread_checker_; 89 std::string name_; 90 base::TaskRunner* task_runner_ = nullptr; 91 std::minstd_rand0 rnd_engine_; 92 uint32_t message_size_ = 0; 93 uint32_t message_count_ = 0; 94 uint32_t max_messages_per_second_ = 0; 95 std::function<void()> on_connect_; 96 std::function<void()> on_setup_data_source_instance_; 97 std::function<void()> on_create_data_source_instance_; 98 std::unique_ptr<TracingService::ProducerEndpoint> endpoint_; 99 std::unique_ptr<TraceWriter> trace_writer_; 100 }; 101 102 } // namespace perfetto 103 104 #endif // TEST_FAKE_PRODUCER_H_ 105