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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_OPENSCREEN_PLATFORM_EVENT_TRACE_LOGGING_PLATFORM_H_
#define COMPONENTS_OPENSCREEN_PLATFORM_EVENT_TRACE_LOGGING_PLATFORM_H_
#include "third_party/openscreen/src/platform/api/trace_logging_platform.h"
#include "base/containers/flat_map.h"
namespace openscreen_platform {
constexpr char kOpenscreenTraceLoggingCategory[] = "openscreen";
// Implementation of a trace logging platform for Open Screen that is backed
// by Chrome's TRACE_EVENT macros. Note that the openscreen::Clock::time_point
// values are ignored in favor of using Chrome's internal time points. This
// helps ensure that values are in line with other Chrome trace logging
// categories.
class EventTraceLoggingPlatform : public openscreen::TraceLoggingPlatform {
public:
EventTraceLoggingPlatform();
EventTraceLoggingPlatform(const EventTraceLoggingPlatform&) = delete;
EventTraceLoggingPlatform(EventTraceLoggingPlatform&&) = delete;
EventTraceLoggingPlatform& operator=(const EventTraceLoggingPlatform&) =
delete;
EventTraceLoggingPlatform& operator=(EventTraceLoggingPlatform&&) = delete;
~EventTraceLoggingPlatform() override;
// Ensures that a trace logging platform exists for the current process.
static void EnsureInstance();
// TraceLoggingPlatform implementation.
bool IsTraceLoggingEnabled(openscreen::TraceCategory category) override;
void LogTrace(openscreen::TraceEvent event,
openscreen::Clock::time_point end_time) override;
void LogAsyncStart(openscreen::TraceEvent event) override;
void LogAsyncEnd(openscreen::TraceEvent event) override;
};
} // namespace openscreen_platform
#endif // COMPONENTS_OPENSCREEN_PLATFORM_EVENT_TRACE_LOGGING_PLATFORM_H_
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