125 lines
3.5 KiB
JavaScript
125 lines
3.5 KiB
JavaScript
/* 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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#ifndef MERGED_COMPARTMENT
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"use strict";
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this.EXPORTED_SYMBOLS = ["ProfileMetadataProvider"];
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const {utils: Cu, classes: Cc, interfaces: Ci} = Components;
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const MILLISECONDS_PER_DAY = 24 * 60 * 60 * 1000;
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Cu.import("resource://gre/modules/Metrics.jsm");
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#endif
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const DEFAULT_PROFILE_MEASUREMENT_NAME = "age";
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const DEFAULT_PROFILE_MEASUREMENT_VERSION = 2;
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const REQUIRED_UINT32_TYPE = {type: "TYPE_UINT32"};
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Cu.import("resource://gre/modules/Promise.jsm");
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Cu.import("resource://gre/modules/osfile.jsm")
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Cu.import("resource://gre/modules/Task.jsm");
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Cu.import("resource://gre/modules/Log.jsm");
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Cu.import("resource://gre/modules/ProfileAge.jsm");
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/**
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* Measurements pertaining to the user's profile.
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*/
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// This is "version 1" of the metadata measurement - it must remain, but
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// it's currently unused - see bug 1063714 comment 12 for why.
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function ProfileMetadataMeasurement() {
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Metrics.Measurement.call(this);
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}
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ProfileMetadataMeasurement.prototype = {
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__proto__: Metrics.Measurement.prototype,
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name: DEFAULT_PROFILE_MEASUREMENT_NAME,
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version: 1,
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fields: {
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// Profile creation date. Number of days since Unix epoch.
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profileCreation: {type: Metrics.Storage.FIELD_LAST_NUMERIC},
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},
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};
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// This is the current measurement - it adds the profileReset value.
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function ProfileMetadataMeasurement2() {
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Metrics.Measurement.call(this);
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}
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ProfileMetadataMeasurement2.prototype = {
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__proto__: Metrics.Measurement.prototype,
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name: DEFAULT_PROFILE_MEASUREMENT_NAME,
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version: DEFAULT_PROFILE_MEASUREMENT_VERSION,
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fields: {
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// Profile creation date. Number of days since Unix epoch.
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profileCreation: {type: Metrics.Storage.FIELD_LAST_NUMERIC},
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// Profile reset date. Number of days since Unix epoch.
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profileReset: {type: Metrics.Storage.FIELD_LAST_NUMERIC},
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},
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};
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/**
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* Turn a millisecond timestamp into a day timestamp.
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*
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* @param msec a number of milliseconds since epoch.
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* @return the number of whole days denoted by the input.
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*/
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function truncate(msec) {
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return Math.floor(msec / MILLISECONDS_PER_DAY);
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}
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/**
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* A Metrics.Provider for profile metadata, such as profile creation and
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* reset time.
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*/
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this.ProfileMetadataProvider = function() {
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Metrics.Provider.call(this);
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}
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this.ProfileMetadataProvider.prototype = {
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__proto__: Metrics.Provider.prototype,
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name: "org.mozilla.profile",
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measurementTypes: [ProfileMetadataMeasurement2],
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pullOnly: true,
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getProfileDays: Task.async(function* () {
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let result = {};
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let accessor = new ProfileAge(null, this._log);
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let created = yield accessor.created;
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result["profileCreation"] = truncate(created);
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let reset = yield accessor.reset;
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if (reset) {
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result["profileReset"] = truncate(reset);
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}
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return result;
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}),
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collectConstantData: function () {
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let m = this.getMeasurement(DEFAULT_PROFILE_MEASUREMENT_NAME,
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DEFAULT_PROFILE_MEASUREMENT_VERSION);
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return Task.spawn(function* collectConstants() {
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let days = yield this.getProfileDays();
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yield this.enqueueStorageOperation(function storeDays() {
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return Task.spawn(function* () {
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yield m.setLastNumeric("profileCreation", days["profileCreation"]);
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if (days["profileReset"]) {
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yield m.setLastNumeric("profileReset", days["profileReset"]);
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}
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});
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});
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}.bind(this));
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},
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};
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