TelemetryEvent.h - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef TelemetryEvent_h__

#define TelemetryEvent_h__

#include <stdint.h>

#include "js/TypeDecls.h"

#include "mozilla/Maybe.h"

#include "mozilla/TelemetryEventEnums.h"

#include "mozilla/TelemetryProcessEnums.h"

#include "nsTArray.h"

#include "nsStringFwd.h"

namespace mozilla {

namespace Telemetry {

struct ChildEventData;

struct EventExtraEntry;

}  // namespace Telemetry

}  // namespace mozilla

using mozilla::Telemetry::EventExtraEntry;

// This module is internal to Telemetry. It encapsulates Telemetry's

// event recording and storage logic. It should only be used by

// Telemetry.cpp. These functions should not be used anywhere else.

// For the public interface to Telemetry functionality, see Telemetry.h.

namespace TelemetryEvent {

void InitializeGlobalState(bool canRecordBase, bool canRecordExtended);

void DeInitializeGlobalState();

void SetCanRecordBase(bool b);

void SetCanRecordExtended(bool b);

// C++ API Endpoint.

void RecordEventNative(

    mozilla::Telemetry::EventID aId, const mozilla::Maybe<nsCString>& aValue,

    const mozilla::Maybe<CopyableTArray<EventExtraEntry>>& aExtra);

// JS API Endpoints.

nsresult RegisterBuiltinEvents(const nsACString& aCategory,

                               JS::Handle<JS::Value> aEventData, JSContext* cx);

nsresult CreateSnapshots(uint32_t aDataset, bool aClear, uint32_t aEventLimit,

                         JSContext* aCx, uint8_t optional_argc,

                         JS::MutableHandle<JS::Value> aResult);

// Record events from child processes.

nsresult RecordChildEvents(

    mozilla::Telemetry::ProcessID aProcessType,

    const nsTArray<mozilla::Telemetry::ChildEventData>& aEvents);

// Only to be used for testing.

void ClearEvents();

size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf);

}  // namespace TelemetryEvent

#endif  // TelemetryEvent_h__