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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_TRACE_EVENT_NAMED_TRIGGER_H_
#define BASE_TRACE_EVENT_NAMED_TRIGGER_H_
#include <stdint.h>
#include <optional>
#include <string>
#include "base/base_export.h"
namespace base::trace_event {
inline constexpr char kStartupTracingTriggerName[] = "startup";
// Notifies that a manual trigger event has occurred. Returns true if the
// trigger caused a scenario to either begin recording or finalize the trace
// depending on the config, or false if the trigger had no effect. If the
// trigger specified isn't active in the config, this will do nothing.
BASE_EXPORT bool EmitNamedTrigger(
const std::string& trigger_name,
std::optional<int32_t> value = std::nullopt,
std::optional<uint64_t> flow_id = std::nullopt);
class NamedTriggerManager {
public:
virtual bool DoEmitNamedTrigger(const std::string& trigger_name,
std::optional<int32_t> value,
uint64_t flow_id) = 0;
protected:
// Sets the instance returns by GetInstance() globally to |manager|.
BASE_EXPORT static void SetInstance(NamedTriggerManager* manager);
};
} // namespace base::trace_event
#endif // BASE_TRACE_EVENT_NAMED_TRIGGER_H_
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