gecko-dev/dom/network/NetworkStatsManager.js

463 строки
15 KiB
JavaScript

/* 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 DEBUG = false;
function debug(s) { dump("-*- NetworkStatsManager: " + s + "\n"); }
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
// Ensure NetworkStatsService and NetworkStatsDB are loaded in the parent process
// to receive messages from the child processes.
let appInfo = Cc["@mozilla.org/xre/app-info;1"];
let isParentProcess = !appInfo || appInfo.getService(Ci.nsIXULRuntime)
.processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
if (isParentProcess) {
Cu.import("resource://gre/modules/NetworkStatsService.jsm");
}
XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
"@mozilla.org/childprocessmessagemanager;1",
"nsISyncMessageSender");
// NetworkStatsData
const nsIClassInfo = Ci.nsIClassInfo;
const NETWORKSTATSDATA_CID = Components.ID("{3b16fe17-5583-483a-b486-b64a3243221c}");
function NetworkStatsData(aWindow, aData) {
this.rxBytes = aData.rxBytes;
this.txBytes = aData.txBytes;
this.date = new aWindow.Date(aData.date.getTime());
}
NetworkStatsData.prototype = {
classID : NETWORKSTATSDATA_CID,
QueryInterface : XPCOMUtils.generateQI([])
};
// NetworkStatsInterface
const NETWORKSTATSINTERFACE_CONTRACTID = "@mozilla.org/networkstatsinterface;1";
const NETWORKSTATSINTERFACE_CID = Components.ID("{f540615b-d803-43ff-8200-2a9d145a5645}");
function NetworkStatsInterface() {
if (DEBUG) {
debug("NetworkStatsInterface Constructor");
}
}
NetworkStatsInterface.prototype = {
__init: function(aNetwork) {
this.type = aNetwork.type;
this.id = aNetwork.id;
},
classID : NETWORKSTATSINTERFACE_CID,
contractID: NETWORKSTATSINTERFACE_CONTRACTID,
QueryInterface : XPCOMUtils.generateQI([])
}
// NetworkStats
const NETWORKSTATS_CID = Components.ID("{28904f59-8497-4ac0-904f-2af14b7fd3de}");
function NetworkStats(aWindow, aStats) {
if (DEBUG) {
debug("NetworkStats Constructor");
}
this.appManifestURL = aStats.appManifestURL || null;
this.browsingTrafficOnly = aStats.browsingTrafficOnly || false;
this.serviceType = aStats.serviceType || null;
this.network = new aWindow.MozNetworkStatsInterface(aStats.network);
this.start = aStats.start ? new aWindow.Date(aStats.start.getTime()) : null;
this.end = aStats.end ? new aWindow.Date(aStats.end.getTime()) : null;
let samples = this.data = new aWindow.Array();
for (let i = 0; i < aStats.data.length; i++) {
samples.push(aWindow.MozNetworkStatsData._create(
aWindow, new NetworkStatsData(aWindow, aStats.data[i])));
}
}
NetworkStats.prototype = {
classID : NETWORKSTATS_CID,
QueryInterface : XPCOMUtils.generateQI()
}
// NetworkStatsAlarm
const NETWORKSTATSALARM_CID = Components.ID("{a93ea13e-409c-4189-9b1e-95fff220be55}");
function NetworkStatsAlarm(aWindow, aAlarm) {
this.alarmId = aAlarm.id;
this.network = new aWindow.MozNetworkStatsInterface(aAlarm.network);
this.threshold = aAlarm.threshold;
this.data = aAlarm.data;
}
NetworkStatsAlarm.prototype = {
classID : NETWORKSTATSALARM_CID,
QueryInterface : XPCOMUtils.generateQI([])
};
// NetworkStatsManager
const NETWORKSTATSMANAGER_CONTRACTID = "@mozilla.org/networkStatsManager;1";
const NETWORKSTATSMANAGER_CID = Components.ID("{ceb874cd-cc1a-4e65-b404-cc2d3e42425f}");
const nsIDOMMozNetworkStatsManager = Ci.nsIDOMMozNetworkStatsManager;
function NetworkStatsManager() {
if (DEBUG) {
debug("Constructor");
}
}
NetworkStatsManager.prototype = {
__proto__: DOMRequestIpcHelper.prototype,
checkPrivileges: function checkPrivileges() {
if (!this.hasPrivileges) {
throw Components.Exception("Permission denied", Cr.NS_ERROR_FAILURE);
}
},
getSamples: function getSamples(aNetwork, aStart, aEnd, aOptions) {
this.checkPrivileges();
if (aStart.constructor.name !== "Date" ||
aEnd.constructor.name !== "Date" ||
!(aNetwork instanceof this.window.MozNetworkStatsInterface) ||
aStart > aEnd) {
throw Components.results.NS_ERROR_INVALID_ARG;
}
let appManifestURL = null;
let browsingTrafficOnly = false;
let serviceType = null;
if (aOptions) {
// appManifestURL is used to query network statistics by app;
// serviceType is used to query network statistics by system service.
// It is illegal to specify both of them at the same time.
if (aOptions.appManifestURL && aOptions.serviceType) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
}
// browsingTrafficOnly is meaningful only when querying by app.
if (!aOptions.appManifestURL && aOptions.browsingTrafficOnly) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
}
appManifestURL = aOptions.appManifestURL;
serviceType = aOptions.serviceType;
browsingTrafficOnly = aOptions.browsingTrafficOnly || false;
}
// TODO Bug 929410 Date object cannot correctly pass through cpmm/ppmm IPC
// This is just a work-around by passing timestamp numbers.
aStart = aStart.getTime();
aEnd = aEnd.getTime();
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:Get",
{ network: aNetwork.toJSON(),
start: aStart,
end: aEnd,
appManifestURL: appManifestURL,
browsingTrafficOnly: browsingTrafficOnly,
serviceType: serviceType,
id: this.getRequestId(request) });
return request;
},
clearStats: function clearStats(aNetwork) {
this.checkPrivileges();
if (!aNetwork instanceof this.window.MozNetworkStatsInterface) {
throw Components.results.NS_ERROR_INVALID_ARG;
}
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:Clear",
{ network: aNetwork.toJSON(),
id: this.getRequestId(request) });
return request;
},
clearAllStats: function clearAllStats() {
this.checkPrivileges();
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:ClearAll",
{id: this.getRequestId(request)});
return request;
},
addAlarm: function addAlarm(aNetwork, aThreshold, aOptions) {
this.checkPrivileges();
if (!aOptions) {
aOptions = Object.create(null);
}
if (aOptions.startTime && aOptions.startTime.constructor.name !== "Date" ||
!(aNetwork instanceof this.window.MozNetworkStatsInterface)) {
throw Components.results.NS_ERROR_INVALID_ARG;
}
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:SetAlarm",
{id: this.getRequestId(request),
data: {network: aNetwork.toJSON(),
threshold: aThreshold,
startTime: aOptions.startTime,
data: aOptions.data,
manifestURL: this.manifestURL,
pageURL: this.pageURL}});
return request;
},
getAllAlarms: function getAllAlarms(aNetwork) {
this.checkPrivileges();
let network = null;
if (aNetwork) {
if (!aNetwork instanceof this.window.MozNetworkStatsInterface) {
throw Components.results.NS_ERROR_INVALID_ARG;
}
network = aNetwork.toJSON();
}
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:GetAlarms",
{id: this.getRequestId(request),
data: {network: network,
manifestURL: this.manifestURL}});
return request;
},
removeAlarms: function removeAlarms(aAlarmId) {
this.checkPrivileges();
if (aAlarmId == 0) {
aAlarmId = -1;
}
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:RemoveAlarms",
{id: this.getRequestId(request),
data: {alarmId: aAlarmId,
manifestURL: this.manifestURL}});
return request;
},
getAvailableNetworks: function getAvailableNetworks() {
this.checkPrivileges();
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:GetAvailableNetworks",
{ id: this.getRequestId(request) });
return request;
},
getAvailableServiceTypes: function getAvailableServiceTypes() {
this.checkPrivileges();
let request = this.createRequest();
cpmm.sendAsyncMessage("NetworkStats:GetAvailableServiceTypes",
{ id: this.getRequestId(request) });
return request;
},
get sampleRate() {
this.checkPrivileges();
return cpmm.sendSyncMessage("NetworkStats:SampleRate")[0];
},
get maxStorageAge() {
this.checkPrivileges();
return cpmm.sendSyncMessage("NetworkStats:MaxStorageAge")[0];
},
receiveMessage: function(aMessage) {
if (DEBUG) {
debug("NetworkStatsmanager::receiveMessage: " + aMessage.name);
}
let msg = aMessage.json;
let req = this.takeRequest(msg.id);
if (!req) {
if (DEBUG) {
debug("No request stored with id " + msg.id);
}
return;
}
switch (aMessage.name) {
case "NetworkStats:Get:Return":
if (msg.error) {
Services.DOMRequest.fireError(req, msg.error);
return;
}
let result = this._window.MozNetworkStats._create(
this._window, new NetworkStats(this._window, msg.result));
if (DEBUG) {
debug("result: " + JSON.stringify(result));
}
Services.DOMRequest.fireSuccess(req, result);
break;
case "NetworkStats:GetAvailableNetworks:Return":
if (msg.error) {
Services.DOMRequest.fireError(req, msg.error);
return;
}
let networks = new this._window.Array();
for (let i = 0; i < msg.result.length; i++) {
let network = new this._window.MozNetworkStatsInterface(msg.result[i]);
networks.push(network);
}
Services.DOMRequest.fireSuccess(req, networks);
break;
case "NetworkStats:GetAvailableServiceTypes:Return":
if (msg.error) {
Services.DOMRequest.fireError(req, msg.error);
return;
}
let serviceTypes = new this._window.Array();
for (let i = 0; i < msg.result.length; i++) {
serviceTypes.push(msg.result[i]);
}
Services.DOMRequest.fireSuccess(req, serviceTypes);
break;
case "NetworkStats:Clear:Return":
case "NetworkStats:ClearAll:Return":
if (msg.error) {
Services.DOMRequest.fireError(req, msg.error);
return;
}
Services.DOMRequest.fireSuccess(req, true);
break;
case "NetworkStats:SetAlarm:Return":
case "NetworkStats:RemoveAlarms:Return":
if (msg.error) {
Services.DOMRequest.fireError(req, msg.error);
return;
}
Services.DOMRequest.fireSuccess(req, msg.result);
break;
case "NetworkStats:GetAlarms:Return":
if (msg.error) {
Services.DOMRequest.fireError(req, msg.error);
return;
}
let alarms = new this._window.Array();
for (let i = 0; i < msg.result.length; i++) {
// The WebIDL type of data is any, so we should manually clone it
// into the content window.
if ("data" in msg.result[i]) {
msg.result[i].data = Cu.cloneInto(msg.result[i].data, this._window);
}
let alarm = new NetworkStatsAlarm(this._window, msg.result[i]);
alarms.push(this._window.MozNetworkStatsAlarm._create(this._window, alarm));
}
Services.DOMRequest.fireSuccess(req, alarms);
break;
default:
if (DEBUG) {
debug("Wrong message: " + aMessage.name);
}
}
},
init: function(aWindow) {
// Set navigator.mozNetworkStats to null.
if (!Services.prefs.getBoolPref("dom.mozNetworkStats.enabled")) {
return null;
}
let principal = aWindow.document.nodePrincipal;
let secMan = Services.scriptSecurityManager;
let perm = principal == secMan.getSystemPrincipal() ?
Ci.nsIPermissionManager.ALLOW_ACTION :
Services.perms.testExactPermissionFromPrincipal(principal,
"networkstats-manage");
// Only pages with perm set can use the netstats.
this.hasPrivileges = perm == Ci.nsIPermissionManager.ALLOW_ACTION;
if (DEBUG) {
debug("has privileges: " + this.hasPrivileges);
}
if (!this.hasPrivileges) {
return null;
}
this.initDOMRequestHelper(aWindow, ["NetworkStats:Get:Return",
"NetworkStats:GetAvailableNetworks:Return",
"NetworkStats:GetAvailableServiceTypes:Return",
"NetworkStats:Clear:Return",
"NetworkStats:ClearAll:Return",
"NetworkStats:SetAlarm:Return",
"NetworkStats:GetAlarms:Return",
"NetworkStats:RemoveAlarms:Return"]);
// Init app properties.
let appsService = Cc["@mozilla.org/AppsService;1"]
.getService(Ci.nsIAppsService);
this.manifestURL = appsService.getManifestURLByLocalId(principal.appId);
let isApp = !!this.manifestURL.length;
if (isApp) {
this.pageURL = principal.URI.spec;
}
this.window = aWindow;
},
// Called from DOMRequestIpcHelper
uninit: function uninit() {
if (DEBUG) {
debug("uninit call");
}
},
classID : NETWORKSTATSMANAGER_CID,
QueryInterface : XPCOMUtils.generateQI([nsIDOMMozNetworkStatsManager,
Ci.nsIDOMGlobalPropertyInitializer,
Ci.nsISupportsWeakReference,
Ci.nsIObserver]),
classInfo : XPCOMUtils.generateCI({classID: NETWORKSTATSMANAGER_CID,
contractID: NETWORKSTATSMANAGER_CONTRACTID,
classDescription: "NetworkStatsManager",
interfaces: [nsIDOMMozNetworkStatsManager],
flags: nsIClassInfo.DOM_OBJECT})
}
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([NetworkStatsAlarm,
NetworkStatsData,
NetworkStatsInterface,
NetworkStats,
NetworkStatsManager]);