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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TEST_FAKE_PRODUCER_H_
#define TEST_FAKE_PRODUCER_H_
#include <memory>
#include <random>
#include <string>
#include "perfetto/ext/base/thread_checker.h"
#include "perfetto/ext/base/unix_socket.h"
#include "perfetto/ext/tracing/core/producer.h"
#include "perfetto/ext/tracing/ipc/producer_ipc_client.h"
#include "perfetto/tracing/core/data_source_descriptor.h"
#include "perfetto/tracing/core/trace_config.h"
#include "src/base/test/test_task_runner.h"
namespace perfetto {
namespace protos {
namespace gen {
class TestConfig;
} // namespace gen
} // namespace protos
class FakeProducer : public Producer {
public:
explicit FakeProducer(const std::string& name, base::TaskRunner* task_runner);
~FakeProducer() override;
void Connect(const char* socket_name,
std::function<void()> on_connect,
std::function<void()> on_setup_data_source_instance,
std::function<void()> on_create_data_source_instance,
std::unique_ptr<SharedMemory> shm = nullptr,
std::unique_ptr<SharedMemoryArbiter> shm_arbiter = nullptr);
// Produces a batch of events (as configured by the passed config) before the
// producer is connected to the service using the provided unbound arbiter.
// Posts |callback| once the data was written. May only be called once.
void ProduceStartupEventBatch(
const protos::gen::TestConfig& config,
SharedMemoryArbiter* arbiter,
std::function<void()> callback = [] {});
// Produces a batch of events (as configured in the DataSourceConfig) and
// posts a callback when the service acknowledges the commit.
void ProduceEventBatch(std::function<void()> callback = [] {});
void RegisterDataSource(const DataSourceDescriptor&);
void CommitData(const CommitDataRequest&, std::function<void()> callback);
void Sync(std::function<void()> callback);
bool IsShmemProvidedByProducer() const {
return endpoint_->IsShmemProvidedByProducer();
}
// Producer implementation.
void OnConnect() override;
void OnDisconnect() override;
void SetupDataSource(DataSourceInstanceID,
const DataSourceConfig& source_config) override;
void StartDataSource(DataSourceInstanceID,
const DataSourceConfig& source_config) override;
void StopDataSource(DataSourceInstanceID) override;
void OnTracingSetup() override;
void Flush(FlushRequestID, const DataSourceInstanceID*, size_t) override;
void ClearIncrementalState(const DataSourceInstanceID* /*data_source_ids*/,
size_t /*num_data_sources*/) override {}
// For testing, access to the fd used to communicate with the TracingService.
base::SocketHandle unix_socket_fd();
private:
void SetupFromConfig(const protos::gen::TestConfig& config);
void EmitEventBatchOnTaskRunner(std::function<void()> callback);
base::ThreadChecker thread_checker_;
std::string name_;
base::TaskRunner* task_runner_ = nullptr;
std::minstd_rand0 rnd_engine_;
uint32_t message_size_ = 0;
uint32_t message_count_ = 0;
uint32_t max_messages_per_second_ = 0;
std::function<void()> on_connect_;
std::function<void()> on_setup_data_source_instance_;
std::function<void()> on_create_data_source_instance_;
std::unique_ptr<TracingService::ProducerEndpoint> endpoint_;
std::unique_ptr<TraceWriter> trace_writer_;
};
} // namespace perfetto
#endif // TEST_FAKE_PRODUCER_H_