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/*
* Copyright (C) 2019 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 SRC_PERFETTO_CMD_TRIGGER_PRODUCER_H_
#define SRC_PERFETTO_CMD_TRIGGER_PRODUCER_H_
#include <string>
#include <vector>
#include "perfetto/base/task_runner.h"
#include "perfetto/ext/base/weak_ptr.h"
#include "perfetto/ext/tracing/core/producer.h"
#include "perfetto/ext/tracing/core/tracing_service.h"
#include "perfetto/tracing/core/forward_decls.h"
namespace perfetto {
// This is a producer that only sends the provided |triggers| to the service. It
// will never register any data sources.
class TriggerProducer : public Producer {
public:
TriggerProducer(base::TaskRunner* task_runner,
std::function<void(bool)> callback,
const std::vector<std::string>* const triggers);
~TriggerProducer() override;
// We will call Trigger() on the |producer_endpoint_| and then
// immediately call |callback_|.
void OnConnect() override;
// We have no clean up to do OnDisconnect.
void OnDisconnect() override;
// Unimplemented methods are below this.
void OnTracingSetup() override;
void SetupDataSource(DataSourceInstanceID, const DataSourceConfig&) override;
void StartDataSource(DataSourceInstanceID, const DataSourceConfig&) override;
void StopDataSource(DataSourceInstanceID) override;
void Flush(FlushRequestID,
const DataSourceInstanceID*,
size_t,
FlushFlags) override;
void ClearIncrementalState(const DataSourceInstanceID* data_source_ids,
size_t num_data_sources) override;
private:
bool issued_callback_ = false;
base::TaskRunner* const task_runner_;
const std::function<void(bool)> callback_;
const std::vector<std::string>* const triggers_;
std::unique_ptr<TracingService::ProducerEndpoint> producer_endpoint_;
base::WeakPtrFactory<TriggerProducer> weak_factory_;
};
} // namespace perfetto
#endif // SRC_PERFETTO_CMD_TRIGGER_PRODUCER_H_