/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SRC_PERFETTO_CMD_TRIGGER_PRODUCER_H_
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#define SRC_PERFETTO_CMD_TRIGGER_PRODUCER_H_
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#include <string>
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#include <vector>
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#include "perfetto/base/task_runner.h"
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#include "perfetto/base/weak_ptr.h"
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#include "perfetto/tracing/core/producer.h"
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#include "perfetto/tracing/core/tracing_service.h"
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namespace perfetto {
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class DataSourceConfig;
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// This is a producer that only sends the provided |triggers| to the service. It
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// will never register any data sources.
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class TriggerProducer : public Producer {
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public:
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TriggerProducer(base::TaskRunner* task_runner,
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std::function<void(bool)> callback,
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const std::vector<std::string>* const triggers);
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~TriggerProducer() override;
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// We will call Trigger() on the |producer_endpoint_| and then
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// immediately call |callback_|.
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void OnConnect() override;
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// We have no clean up to do OnDisconnect.
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void OnDisconnect() override;
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// Unimplemented methods are below this.
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void OnTracingSetup() override;
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void SetupDataSource(DataSourceInstanceID, const DataSourceConfig&) override;
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void StartDataSource(DataSourceInstanceID, const DataSourceConfig&) override;
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void StopDataSource(DataSourceInstanceID) override;
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void Flush(FlushRequestID, const DataSourceInstanceID*, size_t) override;
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void ClearIncrementalState(const DataSourceInstanceID* data_source_ids,
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size_t num_data_sources) override;
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private:
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bool issued_callback_ = false;
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base::TaskRunner* const task_runner_;
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const std::function<void(bool)> callback_;
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const std::vector<std::string>* const triggers_;
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std::unique_ptr<TracingService::ProducerEndpoint> producer_endpoint_;
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base::WeakPtrFactory<TriggerProducer> weak_factory_;
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};
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} // namespace perfetto
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#endif // SRC_PERFETTO_CMD_TRIGGER_PRODUCER_H_
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