mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1167 lines
39 KiB
JavaScript
1167 lines
39 KiB
JavaScript
/* -*- indent-tabs-mode: nil -*- */
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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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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/NetUtil.jsm");
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#ifndef MOZ_WIDGET_GONK
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Cu.import("resource://gre/modules/LightweightThemeManager.jsm");
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#endif
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Cu.import("resource://gre/modules/ctypes.jsm");
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// When modifying the payload in incompatible ways, please bump this version number
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const PAYLOAD_VERSION = 1;
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// This is the HG changeset of the Histogram.json file, used to associate
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// submitted ping data with its histogram definition (bug 832007)
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#expand const HISTOGRAMS_FILE_VERSION = "__HISTOGRAMS_FILE_VERSION__";
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const PREF_BRANCH = "toolkit.telemetry.";
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const PREF_SERVER = PREF_BRANCH + "server";
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#ifdef MOZ_TELEMETRY_ON_BY_DEFAULT
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const PREF_ENABLED = PREF_BRANCH + "enabledPreRelease";
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#else
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const PREF_ENABLED = PREF_BRANCH + "enabled";
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#endif
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const PREF_PREVIOUS_BUILDID = PREF_BRANCH + "previousBuildID";
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// Do not gather data more than once a minute
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const TELEMETRY_INTERVAL = 60000;
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// Delay before intializing telemetry (ms)
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const TELEMETRY_DELAY = 60000;
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// Delete ping files that have been lying around for longer than this.
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const MAX_PING_FILE_AGE = 7 * 24 * 60 * 60 * 1000; // 1 week
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// Constants from prio.h for nsIFileOutputStream.init
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const PR_WRONLY = 0x2;
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const PR_CREATE_FILE = 0x8;
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const PR_TRUNCATE = 0x20;
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const PR_EXCL = 0x80;
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const RW_OWNER = 0600;
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const RWX_OWNER = 0700;
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// MEM_HISTOGRAMS lists the memory reporters we turn into histograms.
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//
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// Note that we currently handle only vanilla memory reporters, not memory
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// multi-reporters.
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//
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// test_TelemetryPing.js relies on some of these memory reporters
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// being here. If you remove any of the following histograms from
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// MEM_HISTOGRAMS, you'll have to modify test_TelemetryPing.js:
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//
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// * MEMORY_JS_GC_HEAP, and
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// * MEMORY_JS_COMPARTMENTS_SYSTEM.
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//
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const MEM_HISTOGRAMS = {
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"js-gc-heap": "MEMORY_JS_GC_HEAP",
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"js-compartments/system": "MEMORY_JS_COMPARTMENTS_SYSTEM",
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"js-compartments/user": "MEMORY_JS_COMPARTMENTS_USER",
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"js-main-runtime-temporary-peak": "MEMORY_JS_MAIN_RUNTIME_TEMPORARY_PEAK",
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"explicit": "MEMORY_EXPLICIT",
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"resident-fast": "MEMORY_RESIDENT",
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"vsize": "MEMORY_VSIZE",
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"storage-sqlite": "MEMORY_STORAGE_SQLITE",
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"images-content-used-uncompressed":
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"MEMORY_IMAGES_CONTENT_USED_UNCOMPRESSED",
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"heap-allocated": "MEMORY_HEAP_ALLOCATED",
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"heap-committed-unused": "MEMORY_HEAP_COMMITTED_UNUSED",
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"heap-committed-unused-ratio": "MEMORY_HEAP_COMMITTED_UNUSED_RATIO",
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"page-faults-hard": "PAGE_FAULTS_HARD",
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"low-memory-events/virtual": "LOW_MEMORY_EVENTS_VIRTUAL",
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"low-memory-events/physical": "LOW_MEMORY_EVENTS_PHYSICAL",
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"ghost-windows": "GHOST_WINDOWS"
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};
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// Seconds of idle time before pinging.
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// On idle-daily a gather-telemetry notification is fired, during it probes can
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// start asynchronous tasks to gather data. On the next idle the data is sent.
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const IDLE_TIMEOUT_SECONDS = 5 * 60;
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var gLastMemoryPoll = null;
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let gWasDebuggerAttached = false;
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function getLocale() {
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return Cc["@mozilla.org/chrome/chrome-registry;1"].
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getService(Ci.nsIXULChromeRegistry).
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getSelectedLocale('global');
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}
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XPCOMUtils.defineLazyServiceGetter(this, "Telemetry",
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"@mozilla.org/base/telemetry;1",
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"nsITelemetry");
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XPCOMUtils.defineLazyServiceGetter(this, "idleService",
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"@mozilla.org/widget/idleservice;1",
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"nsIIdleService");
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XPCOMUtils.defineLazyModuleGetter(this, "UpdateChannel",
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"resource://gre/modules/UpdateChannel.jsm");
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function generateUUID() {
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let str = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator).generateUUID().toString();
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// strip {}
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return str.substring(1, str.length - 1);
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}
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/**
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* Read current process I/O counters.
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*/
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let processInfo = {
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_initialized: false,
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_IO_COUNTERS: null,
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_kernel32: null,
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_GetProcessIoCounters: null,
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_GetCurrentProcess: null,
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getCounters: function() {
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let isWindows = ("@mozilla.org/windows-registry-key;1" in Components.classes);
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if (isWindows)
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return this.getCounters_Windows();
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return null;
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},
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getCounters_Windows: function() {
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if (!this._initialized){
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this._IO_COUNTERS = new ctypes.StructType("IO_COUNTERS", [
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{'readOps': ctypes.unsigned_long_long},
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{'writeOps': ctypes.unsigned_long_long},
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{'otherOps': ctypes.unsigned_long_long},
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{'readBytes': ctypes.unsigned_long_long},
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{'writeBytes': ctypes.unsigned_long_long},
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{'otherBytes': ctypes.unsigned_long_long} ]);
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try {
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this._kernel32 = ctypes.open("Kernel32.dll");
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this._GetProcessIoCounters = this._kernel32.declare("GetProcessIoCounters",
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ctypes.winapi_abi,
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ctypes.bool, // return
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ctypes.voidptr_t, // hProcess
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this._IO_COUNTERS.ptr); // lpIoCounters
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this._GetCurrentProcess = this._kernel32.declare("GetCurrentProcess",
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ctypes.winapi_abi,
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ctypes.voidptr_t); // return
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this._initialized = true;
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} catch (err) {
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return null;
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}
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}
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let io = new this._IO_COUNTERS();
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if(!this._GetProcessIoCounters(this._GetCurrentProcess(), io.address()))
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return null;
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return [parseInt(io.readBytes), parseInt(io.writeBytes)];
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}
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};
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function TelemetryPing() {}
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TelemetryPing.prototype = {
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_histograms: {},
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_initialized: false,
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_prevValues: {},
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// Generate a unique id once per session so the server can cope with
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// duplicate submissions.
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_uuid: generateUUID(),
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// Regex that matches histograms we care about during startup.
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// Keep this in sync with gen-histogram-bucket-ranges.py.
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_startupHistogramRegex: /SQLITE|HTTP|SPDY|CACHE|DNS/,
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_slowSQLStartup: {},
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_prevSession: null,
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_hasWindowRestoredObserver: false,
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_hasXulWindowVisibleObserver: false,
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_pendingPings: [],
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_doLoadSaveNotifications: false,
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_startupIO : {},
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_hashID: Ci.nsICryptoHash.SHA256,
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// The number of outstanding saved pings that we have issued loading
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// requests for.
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_pingsLoaded: 0,
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// The number of those requests that have actually completed.
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_pingLoadsCompleted: 0,
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_savedProfileDirectory: null,
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// The previous build ID, if this is the first run with a new build.
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// Undefined if this is not the first run, or the previous build ID is unknown.
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_previousBuildID: undefined,
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/**
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* Gets a series of simple measurements (counters). At the moment, this
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* only returns startup data from nsIAppStartup.getStartupInfo().
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*
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* @return simple measurements as a dictionary.
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*/
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getSimpleMeasurements: function getSimpleMeasurements(forSavedSession) {
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let si = Services.startup.getStartupInfo();
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var ret = {
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// uptime in minutes
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uptime: Math.round((new Date() - si.process) / 60000)
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}
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// Look for app-specific timestamps
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var appTimestamps = {};
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try {
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let o = {};
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Cu.import("resource://gre/modules/TelemetryTimestamps.jsm", o);
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appTimestamps = o.TelemetryTimestamps.get();
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} catch (ex) {}
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try {
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let o = {};
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Cu.import("resource://gre/modules/AddonManager.jsm", o);
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ret.addonManager = o.AddonManagerPrivate.getSimpleMeasures();
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} catch (ex) {}
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if (si.process) {
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for each (let field in Object.keys(si)) {
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if (field == "process")
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continue;
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ret[field] = si[field] - si.process
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}
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for (let p in appTimestamps) {
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if (!(p in ret) && appTimestamps[p])
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ret[p] = appTimestamps[p] - si.process;
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}
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}
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ret.startupInterrupted = new Number(Services.startup.interrupted);
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// Update debuggerAttached flag
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let debugService = Cc["@mozilla.org/xpcom/debug;1"].getService(Ci.nsIDebug2);
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let isDebuggerAttached = debugService.isDebuggerAttached;
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gWasDebuggerAttached = gWasDebuggerAttached || isDebuggerAttached;
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ret.debuggerAttached = new Number(gWasDebuggerAttached);
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ret.js = Cc["@mozilla.org/js/xpc/XPConnect;1"]
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.getService(Ci.nsIJSEngineTelemetryStats)
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.telemetryValue;
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let shutdownDuration = Telemetry.lastShutdownDuration;
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if (shutdownDuration)
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ret.shutdownDuration = shutdownDuration;
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let failedProfileLockCount = Telemetry.failedProfileLockCount;
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if (failedProfileLockCount)
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ret.failedProfileLockCount = failedProfileLockCount;
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for (let ioCounter in this._startupIO)
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ret[ioCounter] = this._startupIO[ioCounter];
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let hasPingBeenSent = false;
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try {
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hasPingBeenSent = Telemetry.getHistogramById("TELEMETRY_SUCCESS").snapshot().sum > 0;
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} catch(e) {
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}
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if (!forSavedSession || hasPingBeenSent) {
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ret.savedPings = this._pingsLoaded;
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}
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return ret;
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},
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/**
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* When reflecting a histogram into JS, Telemetry hands us an object
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* with the following properties:
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*
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* - min, max, histogram_type, sum, sum_squares_{lo,hi}: simple integers;
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* - log_sum, log_sum_squares: doubles;
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* - counts: array of counts for histogram buckets;
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* - ranges: array of calculated bucket sizes.
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*
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* This format is not straightforward to read and potentially bulky
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* with lots of zeros in the counts array. Packing histograms makes
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* raw histograms easier to read and compresses the data a little bit.
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*
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* Returns an object:
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* { range: [min, max], bucket_count: <number of buckets>,
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* histogram_type: <histogram_type>, sum: <sum>,
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* sum_squares_lo: <sum_squares_lo>,
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* sum_squares_hi: <sum_squares_hi>,
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* log_sum: <log_sum>, log_sum_squares: <log_sum_squares>,
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* values: { bucket1: count1, bucket2: count2, ... } }
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*/
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packHistogram: function packHistogram(hgram) {
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let r = hgram.ranges;;
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let c = hgram.counts;
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let retgram = {
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range: [r[1], r[r.length - 1]],
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bucket_count: r.length,
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histogram_type: hgram.histogram_type,
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values: {},
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sum: hgram.sum
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};
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if (hgram.histogram_type == Telemetry.HISTOGRAM_EXPONENTIAL) {
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retgram.log_sum = hgram.log_sum;
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retgram.log_sum_squares = hgram.log_sum_squares;
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} else {
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retgram.sum_squares_lo = hgram.sum_squares_lo;
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retgram.sum_squares_hi = hgram.sum_squares_hi;
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}
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let first = true;
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let last = 0;
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for (let i = 0; i < c.length; i++) {
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let value = c[i];
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if (!value)
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continue;
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// add a lower bound
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if (i && first) {
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retgram.values[r[i - 1]] = 0;
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}
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first = false;
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last = i + 1;
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retgram.values[r[i]] = value;
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}
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// add an upper bound
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if (last && last < c.length)
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retgram.values[r[last]] = 0;
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return retgram;
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},
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getHistograms: function getHistograms(hls) {
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let info = Telemetry.registeredHistograms;
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let ret = {};
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for (let name in hls) {
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if (info[name]) {
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ret[name] = this.packHistogram(hls[name]);
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let startup_name = "STARTUP_" + name;
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if (hls[startup_name])
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ret[startup_name] = this.packHistogram(hls[startup_name]);
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}
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}
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return ret;
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},
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getAddonHistograms: function getAddonHistograms() {
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let ahs = Telemetry.addonHistogramSnapshots;
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let ret = {};
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for (let addonName in ahs) {
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addonHistograms = ahs[addonName];
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packedHistograms = {};
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for (let name in addonHistograms) {
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packedHistograms[name] = this.packHistogram(addonHistograms[name]);
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}
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if (Object.keys(packedHistograms).length != 0)
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ret[addonName] = packedHistograms;
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}
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return ret;
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},
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addValue: function addValue(name, id, val) {
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let h = this._histograms[name];
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if (!h) {
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h = Telemetry.getHistogramById(id);
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this._histograms[name] = h;
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}
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h.add(val);
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},
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/**
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* Descriptive metadata
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*
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* @param reason
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* The reason for the telemetry ping, this will be included in the
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* returned metadata,
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* @return The metadata as a JS object
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*/
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getMetadata: function getMetadata(reason) {
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let ai = Services.appinfo;
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let ret = {
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reason: reason,
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OS: ai.OS,
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appID: ai.ID,
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appVersion: ai.version,
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appName: ai.name,
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appBuildID: ai.appBuildID,
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appUpdateChannel: UpdateChannel.get(),
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platformBuildID: ai.platformBuildID,
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revision: HISTOGRAMS_FILE_VERSION,
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locale: getLocale()
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};
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if (this._previousBuildID) {
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ret.previousBuildID = this._previousBuildID;
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}
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// sysinfo fields are not always available, get what we can.
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let sysInfo = Cc["@mozilla.org/system-info;1"].getService(Ci.nsIPropertyBag2);
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let fields = ["cpucount", "memsize", "arch", "version", "kernel_version",
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"device", "manufacturer", "hardware",
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"hasMMX", "hasSSE", "hasSSE2", "hasSSE3",
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"hasSSSE3", "hasSSE4A", "hasSSE4_1", "hasSSE4_2",
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"hasEDSP", "hasARMv6", "hasARMv7", "hasNEON", "isWow64"];
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for each (let field in fields) {
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let value;
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try {
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value = sysInfo.getProperty(field);
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} catch (e) {
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continue;
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}
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if (field == "memsize") {
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// Send RAM size in megabytes. Rounding because sysinfo doesn't
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// always provide RAM in multiples of 1024.
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value = Math.round(value / 1024 / 1024);
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}
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ret[field] = value;
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}
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// gfxInfo fields are not always available, get what we can.
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let gfxInfo = Cc["@mozilla.org/gfx/info;1"].getService(Ci.nsIGfxInfo);
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let gfxfields = ["adapterDescription", "adapterVendorID", "adapterDeviceID",
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"adapterRAM", "adapterDriver", "adapterDriverVersion",
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"adapterDriverDate", "adapterDescription2",
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"adapterVendorID2", "adapterDeviceID2", "adapterRAM2",
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"adapterDriver2", "adapterDriverVersion2",
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"adapterDriverDate2", "isGPU2Active", "D2DEnabled;",
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"DWriteEnabled", "DWriteVersion"
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];
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if (gfxInfo) {
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for each (let field in gfxfields) {
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try {
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let value = "";
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value = gfxInfo[field];
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if (value != "")
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ret[field] = value;
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} catch (e) {
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continue
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}
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}
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}
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#ifndef MOZ_WIDGET_GONK
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let theme = LightweightThemeManager.currentTheme;
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if (theme)
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ret.persona = theme.id;
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#endif
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if (this._addons)
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ret.addons = this._addons;
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let flashVersion = this.getFlashVersion();
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if (flashVersion)
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ret.flashVersion = flashVersion;
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return ret;
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},
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|
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/**
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* Pull values from about:memory into corresponding histograms
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*/
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gatherMemory: function gatherMemory() {
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let mgr;
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try {
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mgr = Cc["@mozilla.org/memory-reporter-manager;1"].
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getService(Ci.nsIMemoryReporterManager);
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} catch (e) {
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// OK to skip memory reporters in xpcshell
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return;
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}
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let histogram = Telemetry.getHistogramById("TELEMETRY_MEMORY_REPORTER_MS");
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let startTime = new Date();
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let e = mgr.enumerateReporters();
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while (e.hasMoreElements()) {
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let mr = e.getNext().QueryInterface(Ci.nsIMemoryReporter);
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let id = MEM_HISTOGRAMS[mr.path];
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if (!id) {
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continue;
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}
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|
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// Reading mr.amount might throw an exception. If so, just ignore that
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// memory reporter; we're not getting useful data out of it.
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try {
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this.handleMemoryReport(id, mr.path, mr.units, mr.amount);
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}
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catch (e) {
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}
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}
|
|
histogram.add(new Date() - startTime);
|
|
},
|
|
|
|
handleMemoryReport: function handleMemoryReport(id, path, units, amount) {
|
|
if (amount == -1) {
|
|
return;
|
|
}
|
|
|
|
let val;
|
|
if (units == Ci.nsIMemoryReporter.UNITS_BYTES) {
|
|
val = Math.floor(amount / 1024);
|
|
}
|
|
else if (units == Ci.nsIMemoryReporter.UNITS_PERCENTAGE) {
|
|
// UNITS_PERCENTAGE amounts are 100x greater than their raw value.
|
|
val = Math.floor(amount / 100);
|
|
}
|
|
else if (units == Ci.nsIMemoryReporter.UNITS_COUNT) {
|
|
val = amount;
|
|
}
|
|
else if (units == Ci.nsIMemoryReporter.UNITS_COUNT_CUMULATIVE) {
|
|
// If the reporter gives us a cumulative count, we'll report the
|
|
// difference in its value between now and our previous ping.
|
|
|
|
if (!(path in this._prevValues)) {
|
|
// If this is the first time we're reading this reporter, store its
|
|
// current value but don't report it in the telemetry ping, so we
|
|
// ignore the effect startup had on the reporter.
|
|
this._prevValues[path] = amount;
|
|
return;
|
|
}
|
|
|
|
val = amount - this._prevValues[path];
|
|
this._prevValues[path] = amount;
|
|
}
|
|
else {
|
|
NS_ASSERT(false, "Can't handle memory reporter with units " + units);
|
|
return;
|
|
}
|
|
|
|
this.addValue(path, id, val);
|
|
},
|
|
|
|
/**
|
|
* Return true if we're interested in having a STARTUP_* histogram for
|
|
* the given histogram name.
|
|
*/
|
|
isInterestingStartupHistogram: function isInterestingStartupHistogram(name) {
|
|
return this._startupHistogramRegex.test(name);
|
|
},
|
|
|
|
/**
|
|
* Make a copy of interesting histograms at startup.
|
|
*/
|
|
gatherStartupHistograms: function gatherStartupHistograms() {
|
|
let info = Telemetry.registeredHistograms;
|
|
let snapshots = Telemetry.histogramSnapshots;
|
|
for (let name in info) {
|
|
// Only duplicate histograms with actual data.
|
|
if (this.isInterestingStartupHistogram(name) && name in snapshots) {
|
|
Telemetry.histogramFrom("STARTUP_" + name, name);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Get the current session's payload using the provided
|
|
* simpleMeasurements and info, which are typically obtained by a call
|
|
* to |this.getSimpleMeasurements| and |this.getMetadata|,
|
|
* respectively.
|
|
*/
|
|
assemblePayloadWithMeasurements: function assemblePayloadWithMeasurements(simpleMeasurements, info) {
|
|
let payloadObj = {
|
|
ver: PAYLOAD_VERSION,
|
|
simpleMeasurements: simpleMeasurements,
|
|
histograms: this.getHistograms(Telemetry.histogramSnapshots),
|
|
slowSQL: Telemetry.slowSQL,
|
|
chromeHangs: Telemetry.chromeHangs,
|
|
lateWrites: Telemetry.lateWrites,
|
|
addonHistograms: this.getAddonHistograms(),
|
|
info: info
|
|
};
|
|
|
|
if (Object.keys(this._slowSQLStartup.mainThread).length
|
|
|| Object.keys(this._slowSQLStartup.otherThreads).length) {
|
|
payloadObj.slowSQLStartup = this._slowSQLStartup;
|
|
}
|
|
|
|
return payloadObj;
|
|
},
|
|
|
|
getSessionPayload: function getSessionPayload(reason) {
|
|
let measurements = this.getSimpleMeasurements(reason == "saved-session");
|
|
let info = this.getMetadata(reason);
|
|
return this.assemblePayloadWithMeasurements(measurements, info);
|
|
},
|
|
|
|
assemblePing: function assemblePing(payloadObj, reason) {
|
|
let slug = this._uuid;
|
|
return { slug: slug, reason: reason, payload: JSON.stringify(payloadObj) };
|
|
},
|
|
|
|
getSessionPayloadAndSlug: function getSessionPayloadAndSlug(reason) {
|
|
return this.assemblePing(this.getSessionPayload(reason), reason);
|
|
},
|
|
|
|
getPayloads: function getPayloads(reason) {
|
|
function payloadIter() {
|
|
yield this.getSessionPayloadAndSlug(reason);
|
|
|
|
while (this._pendingPings.length > 0) {
|
|
let data = this._pendingPings.pop();
|
|
// Send persisted pings to the test URL too.
|
|
if (reason == "test-ping") {
|
|
data.reason = reason;
|
|
}
|
|
yield data;
|
|
}
|
|
}
|
|
|
|
let payloadIterWithThis = payloadIter.bind(this);
|
|
return { __iterator__: payloadIterWithThis };
|
|
},
|
|
|
|
hashString: function hashString(s) {
|
|
let digest = Cc["@mozilla.org/security/hash;1"]
|
|
.createInstance(Ci.nsICryptoHash);
|
|
digest.init(this._hashID);
|
|
let stream = Cc["@mozilla.org/io/string-input-stream;1"]
|
|
.createInstance(Ci.nsIStringInputStream);
|
|
stream.data = s;
|
|
digest.updateFromStream(stream, stream.available());
|
|
return digest.finish(/*base64encode=*/true);
|
|
},
|
|
|
|
/**
|
|
* Send data to the server. Record success/send-time in histograms
|
|
*/
|
|
send: function send(reason, server) {
|
|
// populate histograms one last time
|
|
this.gatherMemory();
|
|
this.sendPingsFromIterator(server, reason,
|
|
Iterator(this.getPayloads(reason)));
|
|
},
|
|
|
|
/**
|
|
* What we want to do is the following:
|
|
*
|
|
* for data in getPayloads(reason):
|
|
* if sending ping data to server failed:
|
|
* break;
|
|
*
|
|
* but we can't do that, since XMLHttpRequest is async. What we do
|
|
* instead is let this function control the essential looping logic
|
|
* and provide callbacks for XMLHttpRequest when a request has
|
|
* finished.
|
|
*/
|
|
sendPingsFromIterator: function sendPingsFromIterator(server, reason, i) {
|
|
function finishPings(reason) {
|
|
if (reason == "test-ping") {
|
|
Services.obs.notifyObservers(null, "telemetry-test-xhr-complete", null);
|
|
}
|
|
}
|
|
|
|
let data = null;
|
|
try {
|
|
data = i.next();
|
|
} catch (e if e instanceof StopIteration) {
|
|
finishPings(reason);
|
|
return;
|
|
}
|
|
function onSuccess() {
|
|
this.sendPingsFromIterator(server, reason, i);
|
|
}
|
|
function onError() {
|
|
this.savePing(data, true);
|
|
// Notify that testing is complete, even if we didn't send everything.
|
|
finishPings(reason);
|
|
}
|
|
this.doPing(server, data,
|
|
onSuccess.bind(this), onError.bind(this));
|
|
},
|
|
|
|
finishPingRequest: function finishPingRequest(success, startTime, ping) {
|
|
let hping = Telemetry.getHistogramById("TELEMETRY_PING");
|
|
let hsuccess = Telemetry.getHistogramById("TELEMETRY_SUCCESS");
|
|
|
|
hsuccess.add(success);
|
|
hping.add(new Date() - startTime);
|
|
|
|
if (success) {
|
|
let file = this.saveFileForPing(ping);
|
|
try {
|
|
file.remove(true);
|
|
} catch(e) {
|
|
}
|
|
}
|
|
},
|
|
|
|
doPing: function doPing(server, ping, onSuccess, onError) {
|
|
let submitPath = "/submit/telemetry/" + (ping.reason == "test-ping"
|
|
? "test-ping"
|
|
: ping.slug);
|
|
let url = server + submitPath;
|
|
let request = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
|
|
.createInstance(Ci.nsIXMLHttpRequest);
|
|
request.mozBackgroundRequest = true;
|
|
request.open("POST", url, true);
|
|
request.overrideMimeType("text/plain");
|
|
request.setRequestHeader("Content-Type", "application/json; charset=UTF-8");
|
|
|
|
let startTime = new Date();
|
|
|
|
function handler(success, callback) {
|
|
return function(event) {
|
|
this.finishPingRequest(success, startTime, ping);
|
|
callback();
|
|
};
|
|
}
|
|
request.addEventListener("error", handler(false, onError).bind(this), false);
|
|
request.addEventListener("load", handler(true, onSuccess).bind(this), false);
|
|
|
|
request.setRequestHeader("Content-Encoding", "gzip");
|
|
let payloadStream = Cc["@mozilla.org/io/string-input-stream;1"]
|
|
.createInstance(Ci.nsIStringInputStream);
|
|
payloadStream.data = this.gzipCompressString(ping.payload);
|
|
request.send(payloadStream);
|
|
},
|
|
|
|
gzipCompressString: function gzipCompressString(string) {
|
|
let observer = {
|
|
buffer: "",
|
|
onStreamComplete: function(loader, context, status, length, result) {
|
|
this.buffer = String.fromCharCode.apply(this, result);
|
|
}
|
|
};
|
|
|
|
let scs = Cc["@mozilla.org/streamConverters;1"]
|
|
.getService(Ci.nsIStreamConverterService);
|
|
let listener = Cc["@mozilla.org/network/stream-loader;1"]
|
|
.createInstance(Ci.nsIStreamLoader);
|
|
listener.init(observer);
|
|
let converter = scs.asyncConvertData("uncompressed", "gzip",
|
|
listener, null);
|
|
let stringStream = Cc["@mozilla.org/io/string-input-stream;1"]
|
|
.createInstance(Ci.nsIStringInputStream);
|
|
stringStream.data = string;
|
|
converter.onStartRequest(null, null);
|
|
converter.onDataAvailable(null, null, stringStream, 0, string.length);
|
|
converter.onStopRequest(null, null, null);
|
|
return observer.buffer;
|
|
},
|
|
|
|
attachObservers: function attachObservers() {
|
|
if (!this._initialized)
|
|
return;
|
|
Services.obs.addObserver(this, "cycle-collector-begin", false);
|
|
Services.obs.addObserver(this, "idle-daily", false);
|
|
},
|
|
|
|
detachObservers: function detachObservers() {
|
|
if (!this._initialized)
|
|
return;
|
|
Services.obs.removeObserver(this, "idle-daily");
|
|
Services.obs.removeObserver(this, "cycle-collector-begin");
|
|
if (this._isIdleObserver) {
|
|
idleService.removeIdleObserver(this, IDLE_TIMEOUT_SECONDS);
|
|
this._isIdleObserver = false;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Initializes telemetry within a timer. If there is no PREF_SERVER set, don't turn on telemetry.
|
|
*/
|
|
setup: function setup() {
|
|
// Record old value and update build ID preference if this is the first
|
|
// run with a new build ID.
|
|
let previousBuildID = undefined;
|
|
try {
|
|
previousBuildID = Services.prefs.getCharPref(PREF_PREVIOUS_BUILDID);
|
|
} catch (e) {
|
|
// Preference was not set.
|
|
}
|
|
let thisBuildID = Services.appinfo.appBuildID;
|
|
// If there is no previousBuildID preference, this._previousBuildID remains
|
|
// undefined so no value is sent in the telemetry metadata.
|
|
if (previousBuildID != thisBuildID) {
|
|
this._previousBuildID = previousBuildID;
|
|
Services.prefs.setCharPref(PREF_PREVIOUS_BUILDID, thisBuildID);
|
|
}
|
|
|
|
#ifdef MOZILLA_OFFICIAL
|
|
if (!Telemetry.canSend) {
|
|
// We can't send data; no point in initializing observers etc.
|
|
// Only do this for official builds so that e.g. developer builds
|
|
// still enable Telemetry based on prefs.
|
|
Telemetry.canRecord = false;
|
|
return;
|
|
}
|
|
#endif
|
|
let enabled = false;
|
|
try {
|
|
enabled = Services.prefs.getBoolPref(PREF_ENABLED);
|
|
this._server = Services.prefs.getCharPref(PREF_SERVER);
|
|
} catch (e) {
|
|
// Prerequesite prefs aren't set
|
|
}
|
|
if (!enabled) {
|
|
// Turn off local telemetry if telemetry is disabled.
|
|
// This may change once about:telemetry is added.
|
|
Telemetry.canRecord = false;
|
|
return;
|
|
}
|
|
Services.obs.addObserver(this, "profile-before-change", false);
|
|
Services.obs.addObserver(this, "sessionstore-windows-restored", false);
|
|
Services.obs.addObserver(this, "quit-application-granted", false);
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
Services.obs.addObserver(this, "application-background", false);
|
|
#endif
|
|
Services.obs.addObserver(this, "xul-window-visible", false);
|
|
this._hasWindowRestoredObserver = true;
|
|
this._hasXulWindowVisibleObserver = true;
|
|
|
|
// Delay full telemetry initialization to give the browser time to
|
|
// run various late initializers. Otherwise our gathered memory
|
|
// footprint and other numbers would be too optimistic.
|
|
this._timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
|
|
function timerCallback() {
|
|
this._initialized = true;
|
|
this.loadSavedPings(false);
|
|
this.attachObservers();
|
|
this.gatherMemory();
|
|
|
|
Telemetry.asyncFetchTelemetryData(function () {
|
|
});
|
|
delete this._timer;
|
|
}
|
|
this._timer.initWithCallback(timerCallback.bind(this), TELEMETRY_DELAY,
|
|
Ci.nsITimer.TYPE_ONE_SHOT);
|
|
},
|
|
|
|
ensurePingChecksum: function ensurePingChecksum(ping) {
|
|
/* A ping from the current session won't have a checksum. */
|
|
if (!ping.checksum) {
|
|
return;
|
|
}
|
|
|
|
let checksumNow = this.hashString(ping.payload);
|
|
if (ping.checksum != checksumNow) {
|
|
throw new Error("Invalid ping checksum")
|
|
}
|
|
},
|
|
|
|
addToPendingPings: function addToPendingPings(file, stream) {
|
|
let success = false;
|
|
|
|
try {
|
|
let string = NetUtil.readInputStreamToString(stream, stream.available(), { charset: "UTF-8" });
|
|
stream.close();
|
|
let ping = JSON.parse(string);
|
|
this._pingLoadsCompleted++;
|
|
// This will throw if checksum is invalid.
|
|
this.ensurePingChecksum(ping);
|
|
this._pendingPings.push(ping);
|
|
if (this._doLoadSaveNotifications &&
|
|
this._pingLoadsCompleted == this._pingsLoaded) {
|
|
Services.obs.notifyObservers(null, "telemetry-test-load-complete", null);
|
|
}
|
|
success = true;
|
|
} catch (e) {
|
|
// An error reading the file, or an error parsing/checksumming the contents.
|
|
stream.close(); // close is idempotent.
|
|
file.remove(true);
|
|
}
|
|
let success_histogram = Telemetry.getHistogramById("READ_SAVED_PING_SUCCESS");
|
|
success_histogram.add(success);
|
|
},
|
|
|
|
loadHistograms: function loadHistograms(file, sync) {
|
|
let now = new Date();
|
|
if (now - file.lastModifiedTime > MAX_PING_FILE_AGE) {
|
|
// We haven't had much luck in sending this file; delete it.
|
|
file.remove(true);
|
|
return;
|
|
}
|
|
|
|
this._pingsLoaded++;
|
|
if (sync) {
|
|
let stream = Cc["@mozilla.org/network/file-input-stream;1"]
|
|
.createInstance(Ci.nsIFileInputStream);
|
|
stream.init(file, -1, -1, 0);
|
|
this.addToPendingPings(file, stream);
|
|
} else {
|
|
let channel = NetUtil.newChannel(file);
|
|
channel.contentType = "application/json"
|
|
|
|
NetUtil.asyncFetch(channel, (function(stream, result) {
|
|
if (!Components.isSuccessCode(result)) {
|
|
return;
|
|
}
|
|
this.addToPendingPings(file, stream);
|
|
}).bind(this));
|
|
}
|
|
},
|
|
|
|
testLoadHistograms: function testLoadHistograms(file, sync) {
|
|
this._pingsLoaded = 0;
|
|
this._pingLoadsCompleted = 0;
|
|
this.loadHistograms(file, sync);
|
|
},
|
|
|
|
loadSavedPings: function loadSavedPings(sync) {
|
|
let directory = this.ensurePingDirectory();
|
|
let entries = directory.directoryEntries
|
|
.QueryInterface(Ci.nsIDirectoryEnumerator);
|
|
this._pingsLoaded = 0;
|
|
this._pingLoadsCompleted = 0;
|
|
try {
|
|
while (entries.hasMoreElements()) {
|
|
this.loadHistograms(entries.nextFile, sync);
|
|
}
|
|
}
|
|
finally {
|
|
entries.close();
|
|
}
|
|
},
|
|
|
|
finishTelemetrySave: function finishTelemetrySave(ok, stream) {
|
|
stream.close();
|
|
if (this._doLoadSaveNotifications && ok) {
|
|
Services.obs.notifyObservers(null, "telemetry-test-save-complete", null);
|
|
}
|
|
},
|
|
|
|
savePingToFile: function savePingToFile(ping, file, sync, overwrite) {
|
|
let pingString = JSON.stringify(ping);
|
|
|
|
let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
|
|
.createInstance(Ci.nsIScriptableUnicodeConverter);
|
|
converter.charset = "UTF-8";
|
|
|
|
let ostream = Cc["@mozilla.org/network/file-output-stream;1"]
|
|
.createInstance(Ci.nsIFileOutputStream);
|
|
let initFlags = PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE;
|
|
if (!overwrite) {
|
|
initFlags |= PR_EXCL;
|
|
}
|
|
try {
|
|
ostream.init(file, initFlags, RW_OWNER, 0);
|
|
} catch (e) {
|
|
// Probably due to PR_EXCL.
|
|
return;
|
|
}
|
|
|
|
if (sync) {
|
|
let utf8String = converter.ConvertFromUnicode(pingString);
|
|
utf8String += converter.Finish();
|
|
let success = false;
|
|
try {
|
|
let amount = ostream.write(utf8String, utf8String.length);
|
|
success = amount == utf8String.length;
|
|
} catch (e) {
|
|
}
|
|
this.finishTelemetrySave(success, ostream);
|
|
} else {
|
|
let istream = converter.convertToInputStream(pingString)
|
|
let self = this;
|
|
NetUtil.asyncCopy(istream, ostream,
|
|
function(result) {
|
|
self.finishTelemetrySave(Components.isSuccessCode(result),
|
|
ostream);
|
|
});
|
|
}
|
|
},
|
|
|
|
getFlashVersion: function getFlashVersion() {
|
|
let host = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
|
|
let tags = host.getPluginTags();
|
|
|
|
for (let i = 0; i < tags.length; i++) {
|
|
if (tags[i].name == "Shockwave Flash")
|
|
return tags[i].version;
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
ensurePingDirectory: function ensurePingDirectory() {
|
|
let directory = this._savedProfileDirectory.clone();
|
|
directory.append("saved-telemetry-pings");
|
|
try {
|
|
directory.create(Ci.nsIFile.DIRECTORY_TYPE, RWX_OWNER);
|
|
} catch (e) {
|
|
// Already exists, just ignore this.
|
|
}
|
|
return directory;
|
|
},
|
|
|
|
saveFileForPing: function saveFileForPing(ping) {
|
|
if (!('checksum' in ping)) {
|
|
ping.checksum = this.hashString(ping.payload);
|
|
}
|
|
let file = this.ensurePingDirectory();
|
|
file.append(ping.slug);
|
|
return file;
|
|
},
|
|
|
|
savePing: function savePing(ping, overwrite) {
|
|
this.savePingToFile(ping, this.saveFileForPing(ping), true, overwrite);
|
|
},
|
|
|
|
savePendingPings: function savePendingPings() {
|
|
let sessionPing = this.getSessionPayloadAndSlug("saved-session");
|
|
this.savePing(sessionPing, true);
|
|
this._pendingPings.forEach(function sppcb(e, i, a) {
|
|
this.savePing(e, false);
|
|
}, this);
|
|
this._pendingPings = [];
|
|
},
|
|
|
|
saveHistograms: function saveHistograms(file, sync) {
|
|
this.savePingToFile(this.getSessionPayloadAndSlug("saved-session"),
|
|
file, sync, true);
|
|
},
|
|
|
|
/**
|
|
* Remove observers to avoid leaks
|
|
*/
|
|
uninstall: function uninstall() {
|
|
this.detachObservers()
|
|
if (this._hasWindowRestoredObserver) {
|
|
Services.obs.removeObserver(this, "sessionstore-windows-restored");
|
|
this._hasWindowRestoredObserver = false;
|
|
}
|
|
if (this._hasXulWindowVisibleObserver) {
|
|
Services.obs.removeObserver(this, "xul-window-visible");
|
|
this._hasXulWindowVisibleObserver = false;
|
|
}
|
|
Services.obs.removeObserver(this, "profile-before-change");
|
|
Services.obs.removeObserver(this, "quit-application-granted");
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
Services.obs.removeObserver(this, "application-background", false);
|
|
#endif
|
|
},
|
|
|
|
getPayload: function getPayload() {
|
|
// This function returns the current Telemetry payload to the caller.
|
|
// We only gather startup info once.
|
|
if (Object.keys(this._slowSQLStartup).length == 0) {
|
|
this.gatherStartupHistograms();
|
|
this._slowSQLStartup = Telemetry.slowSQL;
|
|
}
|
|
this.gatherMemory();
|
|
return this.getSessionPayload("gather-payload");
|
|
},
|
|
|
|
gatherStartup: function gatherStartup() {
|
|
let counters = processInfo.getCounters();
|
|
if (counters) {
|
|
[this._startupIO.startupSessionRestoreReadBytes,
|
|
this._startupIO.startupSessionRestoreWriteBytes] = counters;
|
|
}
|
|
this.gatherStartupHistograms();
|
|
this._slowSQLStartup = Telemetry.slowSQL;
|
|
},
|
|
|
|
enableLoadSaveNotifications: function enableLoadSaveNotifications() {
|
|
this._doLoadSaveNotifications = true;
|
|
},
|
|
|
|
setAddOns: function setAddOns(aAddOns) {
|
|
this._addons = aAddOns;
|
|
},
|
|
|
|
sendIdlePing: function sendIdlePing(aTest, aServer) {
|
|
if (this._isIdleObserver) {
|
|
idleService.removeIdleObserver(this, IDLE_TIMEOUT_SECONDS);
|
|
this._isIdleObserver = false;
|
|
}
|
|
if (aTest) {
|
|
this.send("test-ping", aServer);
|
|
} else if (Telemetry.canSend) {
|
|
this.send("idle-daily", aServer);
|
|
}
|
|
},
|
|
|
|
testPing: function testPing(server) {
|
|
this.sendIdlePing(true, server);
|
|
},
|
|
|
|
cacheProfileDirectory: function cacheProfileDirectory() {
|
|
this._savedProfileDirectory = Services.dirsvc.get("ProfD", Ci.nsILocalFile);
|
|
},
|
|
|
|
/**
|
|
* This observer drives telemetry.
|
|
*/
|
|
observe: function (aSubject, aTopic, aData) {
|
|
switch (aTopic) {
|
|
case "profile-after-change":
|
|
this.setup();
|
|
this.cacheProfileDirectory();
|
|
break;
|
|
case "profile-before-change":
|
|
this.uninstall();
|
|
break;
|
|
case "cycle-collector-begin":
|
|
let now = new Date();
|
|
if (!gLastMemoryPoll
|
|
|| (TELEMETRY_INTERVAL <= now - gLastMemoryPoll)) {
|
|
gLastMemoryPoll = now;
|
|
this.gatherMemory();
|
|
}
|
|
break;
|
|
case "xul-window-visible":
|
|
Services.obs.removeObserver(this, "xul-window-visible");
|
|
this._hasXulWindowVisibleObserver = false;
|
|
var counters = processInfo.getCounters();
|
|
if (counters) {
|
|
[this._startupIO.startupWindowVisibleReadBytes,
|
|
this._startupIO.startupWindowVisibleWriteBytes] = counters;
|
|
}
|
|
break;
|
|
case "sessionstore-windows-restored":
|
|
Services.obs.removeObserver(this, "sessionstore-windows-restored");
|
|
this._hasWindowRestoredObserver = false;
|
|
// Check whether debugger was attached during startup
|
|
let debugService = Cc["@mozilla.org/xpcom/debug;1"].getService(Ci.nsIDebug2);
|
|
gWasDebuggerAttached = debugService.isDebuggerAttached;
|
|
this.gatherStartup();
|
|
break;
|
|
case "idle-daily":
|
|
// Enqueue to main-thread, otherwise components may be inited by the
|
|
// idle-daily category and miss the gather-telemetry notification.
|
|
Services.tm.mainThread.dispatch((function() {
|
|
// Notify that data should be gathered now, since ping will happen soon.
|
|
Services.obs.notifyObservers(null, "gather-telemetry", null);
|
|
// The ping happens at the first idle of length IDLE_TIMEOUT_SECONDS.
|
|
idleService.addIdleObserver(this, IDLE_TIMEOUT_SECONDS);
|
|
this._isIdleObserver = true;
|
|
}).bind(this), Ci.nsIThread.DISPATCH_NORMAL);
|
|
break;
|
|
case "idle":
|
|
this.sendIdlePing(false, this._server);
|
|
break;
|
|
case "quit-application-granted":
|
|
if (Telemetry.canSend) {
|
|
this.savePendingPings();
|
|
}
|
|
break;
|
|
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
// On Android, we can get killed without warning once we are in the background,
|
|
// but we may also submit data and/or come back into the foreground without getting
|
|
// killed. To deal with this, we save the current session data to file when we are
|
|
// put into the background. This handles the following post-backgrounding scenarios:
|
|
// 1) We are killed immediately. In this case the current session data (which we
|
|
// save to a file) will be loaded and submitted on a future run.
|
|
// 2) We submit the data while in the background, and then are killed. In this case
|
|
// the file that we saved will be deleted by the usual process in
|
|
// finishPingRequest after it is submitted.
|
|
// 3) We submit the data, and then come back into the foreground. Same as case (2).
|
|
// 4) We do not submit the data, but come back into the foreground. In this case
|
|
// we have the option of either deleting the file that we saved (since we will either
|
|
// send the live data while in the foreground, or create the file again on the next
|
|
// backgrounding), or not (in which case we will delete it on submit, or overwrite
|
|
// it on the next backgrounding). Not deleting it is faster, so that's what we do.
|
|
case "application-background":
|
|
if (Telemetry.canSend) {
|
|
let ping = this.getSessionPayloadAndSlug("saved-session");
|
|
this.savePing(ping, true);
|
|
}
|
|
break;
|
|
#endif
|
|
}
|
|
},
|
|
|
|
classID: Components.ID("{55d6a5fa-130e-4ee6-a158-0133af3b86ba}"),
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsITelemetryPing, Ci.nsIObserver]),
|
|
};
|
|
|
|
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TelemetryPing]);
|