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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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112
toolkit/components/telemetry/WebrtcTelemetry.cpp Normal file
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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 "Telemetry.h"
#include "TelemetryCommon.h"
#include "WebrtcTelemetry.h"
#include "jsapi.h"
#include "nsPrintfCString.h"
#include "nsTHashtable.h"
using mozilla::Telemetry::Common::AutoHashtable;
void
WebrtcTelemetry::RecordIceCandidateMask(const uint32_t iceCandidateBitmask,
const bool success)
{
WebrtcIceCandidateType *entry = mWebrtcIceCandidates.GetEntry(iceCandidateBitmask);
if (!entry) {
entry = mWebrtcIceCandidates.PutEntry(iceCandidateBitmask);
if (MOZ_UNLIKELY(!entry))
return;
}
if (success) {
entry->mData.webrtc.successCount++;
} else {
entry->mData.webrtc.failureCount++;
}
}
bool
ReflectIceEntry(const WebrtcTelemetry::WebrtcIceCandidateType *entry,
const WebrtcTelemetry::WebrtcIceCandidateStats *stat, JSContext *cx,
JS::Handle<JSObject*> obj)
{
if ((stat->successCount == 0) && (stat->failureCount == 0))
return true;
const uint32_t &bitmask = entry->GetKey();
JS::Rooted<JSObject*> statsObj(cx, JS_NewPlainObject(cx));
if (!statsObj)
return false;
if (!JS_DefineProperty(cx, obj,
nsPrintfCString("%lu", bitmask).BeginReading(),
statsObj, JSPROP_ENUMERATE)) {
return false;
}
if (stat->successCount && !JS_DefineProperty(cx, statsObj, "successCount",
stat->successCount,
JSPROP_ENUMERATE)) {
return false;
}
if (stat->failureCount && !JS_DefineProperty(cx, statsObj, "failureCount",
stat->failureCount,
JSPROP_ENUMERATE)) {
return false;
}
return true;
}
bool
ReflectIceWebrtc(WebrtcTelemetry::WebrtcIceCandidateType *entry, JSContext *cx,
JS::Handle<JSObject*> obj)
{
return ReflectIceEntry(entry, &entry->mData.webrtc, cx, obj);
}
bool
WebrtcTelemetry::AddIceInfo(JSContext *cx, JS::Handle<JSObject*> iceObj)
{
JS::Rooted<JSObject*> statsObj(cx, JS_NewPlainObject(cx));
if (!statsObj)
return false;
if (!mWebrtcIceCandidates.ReflectIntoJS(ReflectIceWebrtc, cx, statsObj)) {
return false;
}
return JS_DefineProperty(cx, iceObj, "webrtc",
statsObj, JSPROP_ENUMERATE);
}
bool
WebrtcTelemetry::GetWebrtcStats(JSContext *cx, JS::MutableHandle<JS::Value> ret)
{
JS::Rooted<JSObject*> root_obj(cx, JS_NewPlainObject(cx));
if (!root_obj)
return false;
ret.setObject(*root_obj);
JS::Rooted<JSObject*> ice_obj(cx, JS_NewPlainObject(cx));
if (!ice_obj)
return false;
JS_DefineProperty(cx, root_obj, "IceCandidatesStats", ice_obj,
JSPROP_ENUMERATE);
if (!AddIceInfo(cx, ice_obj))
return false;
return true;
}
size_t
WebrtcTelemetry::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
return mWebrtcIceCandidates.ShallowSizeOfExcludingThis(aMallocSizeOf);
}