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/* 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/. */
"use strict";
const K = 1024;
const M = 1024 * 1024;
const Bps = 1 / 8;
const KBps = K * Bps;
const MBps = M * Bps;
const { LocalizationHelper } = require("resource://devtools/shared/l10n.js");
const L10N = new LocalizationHelper(
"devtools/client/locales/network-throttling.properties"
);
/**
* Predefined network throttling profiles.
* Speeds are in bytes per second. Latency is in ms.
*/
class ThrottlingProfile {
constructor({ id, download, upload, latency }) {
this.id = id;
this.download = download;
this.upload = upload;
this.latency = latency;
}
get description() {
const download = this.#toDescriptionData(this.download);
const upload = this.#toDescriptionData(this.upload);
return L10N.getFormatStr(
"throttling.profile.description",
download.value,
download.unit,
upload.value,
upload.unit,
this.latency
);
}
#toDescriptionData(val) {
if (val % MBps === 0) {
return { value: val / MBps, unit: "Mbps" };
}
return { value: val / KBps, unit: "Kbps" };
}
}
const PROFILE_CONSTANTS = {
GPRS: "GPRS",
REGULAR_2G: "Regular 2G",
GOOD_2G: "Good 2G",
REGULAR_3G: "Regular 3G",
GOOD_3G: "Good 3G",
REGULAR_4G_LTE: "Regular 4G / LTE",
DSL: "DSL",
WIFI: "Wi-Fi",
OFFLINE: "Offline",
};
// Should be synced with devtools/docs/user/network_monitor/throttling/index.rst
const profiles = [
{
id: PROFILE_CONSTANTS.GPRS,
download: 50 * KBps,
upload: 20 * KBps,
latency: 500,
},
{
id: PROFILE_CONSTANTS.REGULAR_2G,
download: 250 * KBps,
upload: 50 * KBps,
latency: 300,
},
{
id: PROFILE_CONSTANTS.GOOD_2G,
download: 450 * KBps,
upload: 150 * KBps,
latency: 150,
},
{
id: PROFILE_CONSTANTS.REGULAR_3G,
download: 750 * KBps,
upload: 250 * KBps,
latency: 100,
},
{
id: PROFILE_CONSTANTS.GOOD_3G,
download: 1.5 * MBps,
upload: 750 * KBps,
latency: 40,
},
{
id: PROFILE_CONSTANTS.REGULAR_4G_LTE,
download: 4 * MBps,
upload: 3 * MBps,
latency: 20,
},
{
id: PROFILE_CONSTANTS.DSL,
download: 2 * MBps,
upload: 1 * MBps,
latency: 5,
},
{
id: PROFILE_CONSTANTS.WIFI,
download: 30 * MBps,
upload: 15 * MBps,
latency: 2,
},
{
id: PROFILE_CONSTANTS.OFFLINE,
download: 0,
upload: 0,
latency: 5,
},
].map(profile => new ThrottlingProfile(profile));
module.exports = { profiles, PROFILE_CONSTANTS };
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