chromium/services/tracing/perfetto/producer_host.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SERVICES_TRACING_PERFETTO_PRODUCER_HOST_H_
#define SERVICES_TRACING_PERFETTO_PRODUCER_HOST_H_

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/memory/unsafe_shared_memory_region.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/tracing/public/mojom/perfetto_service.mojom.h"
#include "third_party/perfetto/include/perfetto/ext/tracing/core/producer.h"
#include "third_party/perfetto/include/perfetto/ext/tracing/core/tracing_service.h"
#include "third_party/perfetto/include/perfetto/tracing/core/forward_decls.h"

namespace base {
namespace tracing {
class PerfettoTaskRunner;
}  // namespace tracing
}  // namespace base

namespace tracing {

// This class is the service-side part of the Perfetto Producer pair
// and is responsible for registering any available DataSources
// with Perfetto (like ChromeTracing) in OnConnect(). It will forward
// control messages from Perfetto to its per-process ProducerClient
// counterpart, like starting tracing with a specific shared memory buffer,
// create/teardown instances of specific data sources, etc.
// It's managed by PerfettoService which is responsible for
// creating a ProducerHost when a ProducerClient registers itself
// and connects them together.
class ProducerHost : public tracing::mojom::ProducerHost,
                     public perfetto::Producer { … };

}  // namespace tracing

#endif  // SERVICES_TRACING_PERFETTO_PRODUCER_HOST_H_