content/browser/tracing/cros_tracing_agent.h

// Copyright 2017 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 CONTENT_BROWSER_TRACING_CROS_TRACING_AGENT_H_
#define CONTENT_BROWSER_TRACING_CROS_TRACING_AGENT_H_

#include <memory>
#include <string>

#include "mojo/public/cpp/bindings/binding.h"
#include "services/resource_coordinator/public/interfaces/tracing/tracing.mojom.h"

namespace base {
class RefCountedString;
}  // namespace base

namespace chromeos {
class DebugDaemonClient;
}  // namespace chromeos

namespace service_manager {
class Connector;
}  // namespace service_manager

namespace content {

class CrOSTracingAgent : public tracing::mojom::Agent {
 public:
  explicit CrOSTracingAgent(service_manager::Connector* connector);

 private:
  friend std::default_delete<CrOSTracingAgent>;

  ~CrOSTracingAgent() override;

  // tracing::mojom::Agent. Called by Mojo internals on the UI thread.
  void StartTracing(const std::string& config,
                    base::TimeTicks coordinator_time,
                    const Agent::StartTracingCallback& callback) override;
  void StopAndFlush(tracing::mojom::RecorderPtr recorder) override;
  void RequestClockSyncMarker(
      const std::string& sync_id,
      const Agent::RequestClockSyncMarkerCallback& callback) override;
  void GetCategories(const Agent::GetCategoriesCallback& callback) override;
  void RequestBufferStatus(
      const Agent::RequestBufferStatusCallback& callback) override;

  void StartTracingCallbackProxy(const std::string& agent_name, bool success);
  void RecorderProxy(const std::string& event_name,
                     const std::string& events_label,
                     const scoped_refptr<base::RefCountedString>& events);

  mojo::Binding<tracing::mojom::Agent> binding_;
  chromeos::DebugDaemonClient* debug_daemon_ = nullptr;
  Agent::StartTracingCallback start_tracing_callback_;
  tracing::mojom::RecorderPtr recorder_;

  DISALLOW_COPY_AND_ASSIGN(CrOSTracingAgent);
};

}  // namespace content

#endif  // CONTENT_BROWSER_TRACING_CROS_TRACING_AGENT_H_