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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_TRACING_PUBLIC_CPP_TRACED_PROCESS_IMPL_H_
#define SERVICES_TRACING_PUBLIC_CPP_TRACED_PROCESS_IMPL_H_
#include <set>
#include <string>
#include "base/component_export.h"
#include "base/sequence_checker.h"
#include "base/synchronization/lock.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "services/tracing/public/mojom/tracing.mojom.h"
namespace tracing {
class BaseAgent;
// Each running process will bind this singleton
// to the mojom::TracedProcess interface, which will be
// connected to by the tracing service to enable tracing
// support.
class COMPONENT_EXPORT(TRACING_CPP) TracedProcessImpl
: public mojom::TracedProcess {
public:
static TracedProcessImpl* GetInstance();
void OnTracedProcessRequest(mojom::TracedProcessRequest request);
// Set which taskrunner to bind any incoming requests on.
void SetTaskRunner(scoped_refptr<base::SequencedTaskRunner> task_runner);
void RegisterAgent(BaseAgent* agent);
void UnregisterAgent(BaseAgent* agent);
// Populate categories from all of the registered agents.
void GetCategories(std::set<std::string>* category_set);
private:
friend class base::NoDestructor<TracedProcessImpl>;
TracedProcessImpl();
~TracedProcessImpl() override;
// tracing::mojom::TracedProcess:
void ConnectToTracingService(
mojom::ConnectToTracingRequestPtr request) override;
// Lock protecting binding_.
base::Lock lock_;
std::set<BaseAgent*> agents_;
tracing::mojom::AgentRegistryPtr agent_registry_;
mojo::Binding<tracing::mojom::TracedProcess> binding_;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
SEQUENCE_CHECKER(sequence_checker_);
DISALLOW_COPY_AND_ASSIGN(TracedProcessImpl);
};
} // namespace tracing
#endif // SERVICES_TRACING_PUBLIC_CPP_TRACED_PROCESS_IMPL_H_
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