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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/glean/bindings/Numerator.h"
#include "nsString.h"
#include "mozilla/ResultVariant.h"
#include "mozilla/dom/GleanMetricsBinding.h"
#include "mozilla/glean/bindings/ScalarGIFFTMap.h"
#include "mozilla/glean/fog_ffi_generated.h"
#include "jsapi.h"
namespace mozilla::glean {
namespace impl {
void NumeratorMetric::AddToNumerator(int32_t aAmount) const {
auto scalarId = ScalarIdForMetric(mId);
if (scalarId && aAmount >= 0) {
Telemetry::ScalarAdd(scalarId.extract(), u"numerator"_ns, aAmount);
}
fog_numerator_add_to_numerator(mId, aAmount);
}
Result<Maybe<std::pair<int32_t, int32_t>>, nsCString>
NumeratorMetric::TestGetValue(const nsACString& aPingName) const {
nsCString err;
if (fog_numerator_test_get_error(mId, &err)) {
return Err(err);
}
if (!fog_numerator_test_has_value(mId, &aPingName)) {
return Maybe<std::pair<int32_t, int32_t>>();
}
int32_t num = 0;
int32_t den = 0;
fog_numerator_test_get_value(mId, &aPingName, &num, &den);
return Some(std::make_pair(num, den));
}
} // namespace impl
/* virtual */
JSObject* GleanNumerator::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return dom::GleanNumerator_Binding::Wrap(aCx, this, aGivenProto);
}
void GleanNumerator::AddToNumerator(int32_t aAmount) {
mNumerator.AddToNumerator(aAmount);
}
void GleanNumerator::TestGetValue(const nsACString& aPingName,
dom::Nullable<dom::GleanRateData>& aResult,
ErrorResult& aRv) {
auto result = mNumerator.TestGetValue(aPingName);
if (result.isErr()) {
aRv.ThrowDataError(result.unwrapErr());
return;
}
auto optresult = result.unwrap();
if (!optresult.isNothing()) {
dom::GleanRateData ret;
auto pair = optresult.extract();
ret.mNumerator = pair.first;
ret.mDenominator = pair.second;
aResult.SetValue(std::move(ret));
}
}
} // namespace mozilla::glean
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