forked from mirrors/gecko-dev
79 lines
2.5 KiB
C++
79 lines
2.5 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/TimingDistribution.h"
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#include "mozilla/Components.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "nsIClassInfoImpl.h"
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#include "nsJSUtils.h"
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#include "nsPrintfCString.h"
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#include "nsString.h"
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namespace mozilla::glean {
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NS_IMPL_CLASSINFO(GleanTimingDistribution, nullptr, 0, {0})
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NS_IMPL_ISUPPORTS_CI(GleanTimingDistribution, nsIGleanTimingDistribution)
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NS_IMETHODIMP
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GleanTimingDistribution::Start(JSContext* aCx, JS::MutableHandleValue aResult) {
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if (!dom::ToJSValue(aCx, mTimingDist.Start(), aResult)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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GleanTimingDistribution::StopAndAccumulate(uint64_t aId) {
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mTimingDist.StopAndAccumulate(std::move(aId));
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return NS_OK;
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}
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NS_IMETHODIMP
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GleanTimingDistribution::Cancel(uint64_t aId) {
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mTimingDist.Cancel(std::move(aId));
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return NS_OK;
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}
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NS_IMETHODIMP
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GleanTimingDistribution::TestGetValue(const nsACString& aPingName,
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JSContext* aCx,
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JS::MutableHandleValue aResult) {
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auto result = mTimingDist.TestGetValue(aPingName);
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if (result.isNothing()) {
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aResult.set(JS::UndefinedValue());
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} else {
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// Build return value of the form: { sum: #, values: {bucket1: count1, ...}
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JS::RootedObject root(aCx, JS_NewPlainObject(aCx));
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if (!root) {
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return NS_ERROR_FAILURE;
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}
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uint64_t sum = result.ref().sum;
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if (!JS_DefineProperty(aCx, root, "sum", static_cast<double>(sum),
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JSPROP_ENUMERATE)) {
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return NS_ERROR_FAILURE;
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}
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JS::RootedObject valuesObj(aCx, JS_NewPlainObject(aCx));
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if (!valuesObj ||
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!JS_DefineProperty(aCx, root, "values", valuesObj, JSPROP_ENUMERATE)) {
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return NS_ERROR_FAILURE;
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}
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auto& data = result.ref().values;
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for (const auto& entry : data) {
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const uint64_t bucket = entry.GetKey();
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const uint64_t count = entry.GetData();
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if (!JS_DefineProperty(aCx, valuesObj,
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nsPrintfCString("%" PRIu64, bucket).get(),
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static_cast<double>(count), JSPROP_ENUMERATE)) {
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return NS_ERROR_FAILURE;
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}
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}
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aResult.setObject(*root);
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}
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return NS_OK;
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}
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} // namespace mozilla::glean
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