142 lines
4.8 KiB
C++
142 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/glean/bindings/Counter.h"
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#include "nsITelemetry.h"
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#include "nsString.h"
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#include "mozilla/ResultVariant.h"
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#include "mozilla/dom/GleanMetricsBinding.h"
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#include "mozilla/glean/bindings/HistogramGIFFTMap.h"
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#include "mozilla/glean/bindings/ScalarGIFFTMap.h"
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#include "mozilla/glean/fog_ffi_generated.h"
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#include "GIFFTFwd.h"
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using mozilla::Telemetry::HistogramID;
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/* static */
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void accumulateToBoolean(HistogramID aId, const nsACString& aLabel,
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int32_t aAmount) {
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MOZ_ASSERT(aAmount == 1,
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"When mirroring to boolean histograms, we only support "
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"accumulating one sample at a time.");
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if (aLabel.EqualsASCII("true")) {
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TelemetryHistogram::Accumulate(aId, true);
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} else if (aLabel.EqualsASCII("false")) {
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TelemetryHistogram::Accumulate(aId, false);
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} else {
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MOZ_ASSERT_UNREACHABLE(
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"When mirroring to boolean histograms, we only support labels 'true' "
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"and 'false'");
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}
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}
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/* static */
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void accumulateToKeyedCount(HistogramID aId, const nsCString& aLabel,
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int32_t aAmount) {
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TelemetryHistogram::Accumulate(aId, aLabel, aAmount);
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}
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/* static */
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void accumulateToCategorical(HistogramID aId, const nsCString& aLabel,
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int32_t aAmount) {
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MOZ_ASSERT(aAmount == 1,
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"When mirroring to categorical histograms, we only support "
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"accumulating one sample at a time.");
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TelemetryHistogram::AccumulateCategorical(aId, aLabel);
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}
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namespace mozilla::glean {
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namespace impl {
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void CounterMetric::Add(int32_t aAmount) const {
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auto scalarId = ScalarIdForMetric(mId);
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if (aAmount >= 0) {
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if (scalarId) {
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TelemetryScalar::Add(scalarId.extract(), aAmount);
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} else if (IsSubmetricId(mId)) {
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bool mirrorsToKeyedScalar = false;
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GetLabeledMirrorLock().apply([&](const auto& lock) {
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auto tuple = lock.ref()->MaybeGet(mId);
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mirrorsToKeyedScalar = !!tuple;
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if (tuple && aAmount > 0) {
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TelemetryScalar::Add(std::get<0>(tuple.ref()),
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std::get<1>(tuple.ref()), (uint32_t)aAmount);
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}
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});
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if (!mirrorsToKeyedScalar) {
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GetLabeledDistributionMirrorLock().apply([&](const auto& lock) {
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auto tuple = lock.ref()->MaybeGet(mId);
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if (tuple) {
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HistogramID hId = std::get<0>(tuple.ref());
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switch (TelemetryHistogram::GetHistogramType(hId)) {
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case nsITelemetry::HISTOGRAM_BOOLEAN:
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accumulateToBoolean(hId, std::get<1>(tuple.ref()), aAmount);
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break;
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case nsITelemetry::HISTOGRAM_COUNT:
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accumulateToKeyedCount(hId, std::get<1>(tuple.ref()), aAmount);
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break;
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case nsITelemetry::HISTOGRAM_CATEGORICAL:
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accumulateToCategorical(hId, std::get<1>(tuple.ref()), aAmount);
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break;
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default:
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MOZ_ASSERT_UNREACHABLE(
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"Asked to mirror labeled_counter to unsupported histogram "
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"type.");
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break;
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}
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}
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});
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}
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} else {
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auto hgramId = HistogramIdForMetric(mId);
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if (hgramId) {
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TelemetryHistogram::Accumulate(hgramId.extract(), aAmount);
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}
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}
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}
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fog_counter_add(mId, aAmount);
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}
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Result<Maybe<int32_t>, nsCString> CounterMetric::TestGetValue(
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const nsACString& aPingName) const {
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nsCString err;
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if (fog_counter_test_get_error(mId, &err)) {
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return Err(err);
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}
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if (!fog_counter_test_has_value(mId, &aPingName)) {
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return Maybe<int32_t>(); // can't use Nothing() or templates will fail.
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}
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return Some(fog_counter_test_get_value(mId, &aPingName));
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}
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} // namespace impl
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/* virtual */
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JSObject* GleanCounter::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return dom::GleanCounter_Binding::Wrap(aCx, this, aGivenProto);
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}
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void GleanCounter::Add(int32_t aAmount) { mCounter.Add(aAmount); }
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dom::Nullable<int32_t> GleanCounter::TestGetValue(const nsACString& aPingName,
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ErrorResult& aRv) {
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dom::Nullable<int32_t> ret;
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auto result = mCounter.TestGetValue(aPingName);
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if (result.isErr()) {
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aRv.ThrowDataError(result.unwrapErr());
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return ret;
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}
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auto optresult = result.unwrap();
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if (!optresult.isNothing()) {
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ret.SetValue(optresult.value());
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}
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return ret;
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}
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} // namespace mozilla::glean
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