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Bug 951976 - Part 1: WebIDL implementation. r=gene

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This commit is contained in:
Borting Chen 2014-03-10 11:54:15 +08:00
parent 1998d0ab74
commit c456bdd682
12 changed files with 1475 additions and 0 deletions
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5
b2g/app/b2g.js
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@ -481,6 +481,11 @@ pref("dom.mozNetworkStats.enabled", true);
pref("dom.webapps.firstRunWithSIM", true);
#endif
// ResourceStats
#ifdef MOZ_WIDGET_GONK
pref("dom.resource_stats.enabled", true);
#endif
#ifdef MOZ_B2G_RIL
// SingleVariant
pref("dom.mozApps.single_variant_sourcedir", "/persist/svoperapps");

1
b2g/chrome/content/shell.js
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@ -19,6 +19,7 @@ Cu.import('resource://gre/modules/ErrorPage.jsm');
Cu.import('resource://gre/modules/AlertsHelper.jsm');
#ifdef MOZ_WIDGET_GONK
Cu.import('resource://gre/modules/NetworkStatsService.jsm');
Cu.import('resource://gre/modules/ResourceStatsService.jsm');
#endif
// Identity

8
b2g/installer/package-manifest.in
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@ -421,6 +421,14 @@
@BINPATH@/components/WifiWorker.manifest
#endif // MOZ_WIDGET_GONK
; ResourceStats
#ifdef MOZ_WIDGET_GONK
@BINPATH@/components/ResourceStats.js
@BINPATH@/components/ResourceStats.manifest
@BINPATH@/components/ResourceStatsManager.js
@BINPATH@/components/ResourceStatsManager.manifest
#endif // MOZ_WIDGET_GONK
; RIL
#if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_RIL)
@BINPATH@/components/MmsService.js

5
dom/apps/src/PermissionsTable.jsm
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@ -186,6 +186,11 @@ this.PermissionsTable = { geolocation: {
privileged: DENY_ACTION,
certified: ALLOW_ACTION
},
"resourcestats-manage": {
app: DENY_ACTION,
privileged: DENY_ACTION,
certified: ALLOW_ACTION
},
"wifi-manage": {
app: DENY_ACTION,
privileged: DENY_ACTION,

1
dom/moz.build
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@ -83,6 +83,7 @@ PARALLEL_DIRS += [
'webidl',
'xbl',
'xslt',
'resourcestats',
]
if CONFIG['OS_ARCH'] == 'WINNT':

39
dom/resourcestats/ResourceStatsControl.cpp Normal file
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@ -0,0 +1,39 @@
/* 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 "ResourceStatsControl.h"
#include "mozilla/Preferences.h"
#include "nsIPermissionManager.h"
#include "nsJSUtils.h"
#include "nsPIDOMWindow.h"
#include "nsServiceManagerUtils.h"
using namespace mozilla::dom;
/* static */ bool
ResourceStatsControl::HasResourceStatsSupport(JSContext* /* unused */,
JSObject* aGlobal)
{
// Disable the constructors if they're disabled by the preference for sure.
if (!Preferences::GetBool("dom.resource_stats.enabled", false)) {
return false;
}
// Get window.
nsCOMPtr<nsPIDOMWindow> win =
do_QueryInterface((nsISupports*)nsJSUtils::GetStaticScriptGlobal(aGlobal));
MOZ_ASSERT(!win || win->IsInnerWindow());
if (!win) {
return false;
}
// Check permission.
nsCOMPtr<nsIPermissionManager> permMgr =
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
NS_ENSURE_TRUE(permMgr, false);
uint32_t permission = nsIPermissionManager::DENY_ACTION;
permMgr->TestPermissionFromWindow(win, "resourcestats-manage", &permission);
return permission == nsIPermissionManager::ALLOW_ACTION;
}

25
dom/resourcestats/ResourceStatsControl.h Normal file
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@ -0,0 +1,25 @@
/* 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/. */
#ifndef mozilla_dom_ResourceStatsConotrl_h
#define mozilla_dom_ResourceStatsConotrl_h
// Forward declarations.
struct JSContext;
class JSObject;
namespace mozilla {
namespace dom {
class ResourceStatsControl
{
public:
static bool HasResourceStatsSupport(JSContext* /* unused */,
JSObject* aGlobal);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ResourceStatsConotrl_h

537
dom/resourcestats/ResourceStatsDB.jsm Normal file
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@ -0,0 +1,537 @@
/* 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";
this.EXPORTED_SYMBOLS = ['ResourceStatsDB'];
const DEBUG = false;
function debug(s) { dump("-*- ResourceStatsDB: " + s + "\n"); }
const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
Cu.import("resource://gre/modules/IndexedDBHelper.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "appsService",
"@mozilla.org/AppsService;1",
"nsIAppsService");
const DB_NAME = "resource_stats";
const DB_VERSION = 1;
const POWER_STATS_STORE = "power_stats_store";
const NETWORK_STATS_STORE = "network_stats_store";
const ALARM_STORE = "alarm_store";
const statsStoreNames = {
power: POWER_STATS_STORE,
network: NETWORK_STATS_STORE
};
// Constant defining the sampling rate.
const SAMPLE_RATE = 24 * 60 * 60 * 1000; // 1 day.
// Constant defining the MAX age of stored stats.
const MAX_STORAGE_AGE = 180 * SAMPLE_RATE; // 180 days.
this.ResourceStatsDB = function ResourceStatsDB() {
if (DEBUG) {
debug("Constructor()");
}
this.initDBHelper(DB_NAME, DB_VERSION,
[POWER_STATS_STORE, NETWORK_STATS_STORE, ALARM_STORE]);
};
ResourceStatsDB.prototype = {
__proto__: IndexedDBHelper.prototype,
_dbNewTxn: function(aStoreName, aTxnType, aCallback, aTxnCb) {
function successCb(aResult) {
aTxnCb(null, aResult);
}
function errorCb(aError) {
aTxnCb(aError, null);
}
return this.newTxn(aTxnType, aStoreName, aCallback, successCb, errorCb);
},
upgradeSchema: function(aTransaction, aDb, aOldVersion, aNewVersion) {
if (DEBUG) {
debug("Upgrade DB from ver." + aOldVersion + " to ver." + aNewVersion);
}
let objectStore;
// Create PowerStatsStore.
objectStore = aDb.createObjectStore(POWER_STATS_STORE, {
keyPath: ["appId", "serviceType", "component", "timestamp"]
});
objectStore.createIndex("component", "component", { unique: false });
// Create NetworkStatsStore.
objectStore = aDb.createObjectStore(NETWORK_STATS_STORE, {
keyPath: ["appId", "serviceType", "component", "timestamp"]
});
objectStore.createIndex("component", "component", { unique: false });
// Create AlarmStore.
objectStore = aDb.createObjectStore(ALARM_STORE, {
keyPath: "alarmId",
autoIncrement: true
});
objectStore.createIndex("type", "type", { unique: false });
// Index for resource control target.
objectStore.createIndex("controlTarget",
["type", "manifestURL", "serviceType", "component"],
{ unique: false });
},
// Convert to UTC according to the current timezone and the filter timestamp
// to get SAMPLE_RATE precission.
_normalizeTime: function(aTime, aOffset) {
let time = Math.floor((aTime - aOffset) / SAMPLE_RATE) * SAMPLE_RATE;
return time;
},
/**
* aRecordArray contains an array of json objects storing network stats.
* The structure of the json object =
* {
* appId: XX,
* serviceType: "XX",
* componentStats: {
* "component_1": { receivedBytes: XX, sentBytes: XX },
* "component_2": { receivedBytes: XX, sentBytes: XX },
* ...
* },
* }
*/
saveNetworkStats: function(aRecordArray, aTimestamp, aResultCb) {
if (DEBUG) {
debug("saveNetworkStats()");
}
let offset = (new Date()).getTimezoneOffset() * 60 * 1000;
let timestamp = this._normalizeTime(aTimestamp, offset);
this._dbNewTxn(NETWORK_STATS_STORE, "readwrite", function(aTxn, aStore) {
aRecordArray.forEach(function(aRecord) {
let stats = {
appId: aRecord.appId,
serviceType: aRecord.serviceType,
component: "",
timestamp: timestamp,
receivedBytes: 0,
sentBytes: 0
};
let totalReceivedBytes = 0;
let totalSentBytes = 0;
// Save stats of each component.
let data = aRecord.componentStats;
for (let component in data) {
// Save stats to database.
stats.component = component;
stats.receivedBytes = data[component].receivedBytes;
stats.sentBytes = data[component].sentBytes;
aStore.put(stats);
if (DEBUG) {
debug("Save network stats: " + JSON.stringify(stats));
}
// Accumulated to tatal stats.
totalReceivedBytes += stats.receivedBytes;
totalSentBytes += stats.sentBytes;
}
// Save total stats.
stats.component = "";
stats.receivedBytes = totalReceivedBytes;
stats.sentBytes = totalSentBytes;
aStore.put(stats);
if (DEBUG) {
debug("Save network stats: " + JSON.stringify(stats));
}
});
}, aResultCb);
},
/**
* aRecordArray contains an array of json objects storing power stats.
* The structure of the json object =
* {
* appId: XX,
* serviceType: "XX",
* componentStats: {
* "component_1": XX, // consumedPower
* "component_2": XX,
* ...
* },
* }
*/
savePowerStats: function(aRecordArray, aTimestamp, aResultCb) {
if (DEBUG) {
debug("savePowerStats()");
}
let offset = (new Date()).getTimezoneOffset() * 60 * 1000;
let timestamp = this._normalizeTime(aTimestamp, offset);
this._dbNewTxn(POWER_STATS_STORE, "readwrite", function(aTxn, aStore) {
aRecordArray.forEach(function(aRecord) {
let stats = {
appId: aRecord.appId,
serviceType: aRecord.serviceType,
component: "",
timestamp: timestamp,
consumedPower: aRecord.totalStats
};
let totalConsumedPower = 0;
// Save stats of each component to database.
let data = aRecord.componentStats;
for (let component in data) {
// Save stats to database.
stats.component = component;
stats.consumedPower = data[component];
aStore.put(stats);
if (DEBUG) {
debug("Save power stats: " + JSON.stringify(stats));
}
// Accumulated to total stats.
totalConsumedPower += stats.consumedPower;
}
// Save total stats.
stats.component = "";
stats.consumedPower = totalConsumedPower;
aStore.put(stats);
if (DEBUG) {
debug("Save power stats: " + JSON.stringify(stats));
}
});
}, aResultCb);
},
// Get stats from a store.
getStats: function(aType, aManifestURL, aServiceType, aComponent,
aStart, aEnd, aResultCb) {
if (DEBUG) {
debug(aType + "Mgr.getStats()");
}
let offset = (new Date()).getTimezoneOffset() * 60 * 1000;
// Get appId and check whether manifestURL is a valid app.
let appId = 0;
if (aManifestURL) {
appId = appsService.getAppLocalIdByManifestURL(aManifestURL);
if (!appId) {
aResultCb("Invalid manifestURL", null);
return;
}
}
// Get store name.
let storeName = statsStoreNames[aType];
// Normalize start time and end time to SAMPLE_RATE precission.
let start = this._normalizeTime(aStart, offset);
let end = this._normalizeTime(aEnd, offset);
if (DEBUG) {
debug("Query time range: " + start + " to " + end);
debug("[appId, serviceType, component] = [" + appId + ", " + aServiceType
+ ", " + aComponent + "]");
}
// Create filters.
let lowerFilter = [appId, aServiceType, aComponent, start];
let upperFilter = [appId, aServiceType, aComponent, end];
// Execute DB query.
this._dbNewTxn(storeName, "readonly", function(aTxn, aStore) {
let range = IDBKeyRange.bound(lowerFilter, upperFilter, false, false);
let statsData = [];
if (!aTxn.result) {
aTxn.result = Object.create(null);
}
aTxn.result.type = aType;
aTxn.result.component = aComponent;
aTxn.result.serviceType = aServiceType;
aTxn.result.manifestURL = aManifestURL;
aTxn.result.start = start + offset;
aTxn.result.end = end + offset;
// Since ResourceStats() would require SAMPLE_RATE when filling the empty
// entries of statsData array, we append SAMPLE_RATE to the result field
// to save an IPC call.
aTxn.result.sampleRate = SAMPLE_RATE;
let request = aStore.openCursor(range, "prev");
if (aType == "power") {
request.onsuccess = function(aEvent) {
var cursor = aEvent.target.result;
if (cursor) {
if (DEBUG) {
debug("Get " + JSON.stringify(cursor.value));
}
// Covert timestamp to current timezone.
statsData.push({
timestamp: cursor.value.timestamp + offset,
consumedPower: cursor.value.consumedPower
});
cursor.continue();
return;
}
aTxn.result.statsData = statsData;
};
} else if (aType == "network") {
request.onsuccess = function(aEvent) {
var cursor = aEvent.target.result;
if (cursor) {
if (DEBUG) {
debug("Get " + JSON.stringify(cursor.value));
}
// Covert timestamp to current timezone.
statsData.push({
timestamp: cursor.value.timestamp + offset,
receivedBytes: cursor.value.receivedBytes,
sentBytes: cursor.value.sentBytes
});
cursor.continue();
return;
}
aTxn.result.statsData = statsData;
};
}
}, aResultCb);
},
// Delete the stats of a specific app/service (within a specified time range).
clearStats: function(aType, aAppId, aServiceType, aComponent,
aStart, aEnd, aResultCb) {
if (DEBUG) {
debug(aType + "Mgr.clearStats()");
}
let offset = (new Date()).getTimezoneOffset() * 60 * 1000;
// Get store name.
let storeName = statsStoreNames[aType];
// Normalize start and end time to SAMPLE_RATE precission.
let start = this._normalizeTime(aStart, offset);
let end = this._normalizeTime(aEnd, offset);
if (DEBUG) {
debug("Query time range: " + start + " to " + end);
debug("[appId, serviceType, component] = [" + aAppId + ", " + aServiceType
+ ", " + aComponent + "]");
}
// Create filters.
let lowerFilter = [aAppId, aServiceType, aComponent, start];
let upperFilter = [aAppId, aServiceType, aComponent, end];
// Execute clear operation.
this._dbNewTxn(storeName, "readwrite", function(aTxn, aStore) {
let range = IDBKeyRange.bound(lowerFilter, upperFilter, false, false);
let request = aStore.openCursor(range).onsuccess = function(aEvent) {
let cursor = aEvent.target.result;
if (cursor) {
if (DEBUG) {
debug("Delete " + JSON.stringify(cursor.value) + " from database");
}
cursor.delete();
cursor.continue();
return;
}
};
}, aResultCb);
},
// Delete all stats saved in a store.
clearAllStats: function(aType, aResultCb) {
if (DEBUG) {
debug(aType + "Mgr.clearAllStats()");
}
let storeName = statsStoreNames[aType];
// Execute clear operation.
this._dbNewTxn(storeName, "readwrite", function(aTxn, aStore) {
if (DEBUG) {
debug("Clear " + aType + " stats from datastore");
}
aStore.clear();
}, aResultCb);
},
addAlarm: function(aAlarm, aResultCb) {
if (DEBUG) {
debug(aAlarm.type + "Mgr.addAlarm()");
debug("alarm = " + JSON.stringify(aAlarm));
}
this._dbNewTxn(ALARM_STORE, "readwrite", function(aTxn, aStore) {
aStore.put(aAlarm).onsuccess = function setResult(aEvent) {
// Get alarmId.
aTxn.result = aEvent.target.result;
if (DEBUG) {
debug("New alarm ID: " + aTxn.result);
}
};
}, aResultCb);
},
// Convert DB record to alarm object.
_recordToAlarm: function(aRecord) {
let alarm = {
alarmId: aRecord.alarmId,
type: aRecord.type,
component: aRecord.component,
serviceType: aRecord.serviceType,
manifestURL: aRecord.manifestURL,
threshold: aRecord.threshold,
data: aRecord.data
};
return alarm;
},
getAlarms: function(aType, aOptions, aResultCb) {
if (DEBUG) {
debug(aType + "Mgr.getAlarms()");
debug("[appId, serviceType, component] = [" + aOptions.appId + ", "
+ aOptions.serviceType + ", " + aOptions.component + "]");
}
// Execute clear operation.
this._dbNewTxn(ALARM_STORE, "readwrite", function(aTxn, aStore) {
if (!aTxn.result) {
aTxn.result = [];
}
let indexName = null;
let range = null;
if (aOptions) { // Get alarms associated to specified statsOptions.
indexName = "controlTarget";
range = IDBKeyRange.only([aType, aOptions.manifestURL,
aOptions.serviceType, aOptions.component]);
} else { // Get all alarms of the specified type.
indexName = "type";
range = IDBKeyRange.only(aType);
}
let request = aStore.index(indexName).openCursor(range);
request.onsuccess = function onsuccess(aEvent) {
let cursor = aEvent.target.result;
if (cursor) {
aTxn.result.push(this._recordToAlarm(cursor.value));
cursor.continue();
return;
}
}.bind(this);
}.bind(this), aResultCb);
},
removeAlarm: function(aType, aAlarmId, aResultCb) {
if (DEBUG) {
debug("removeAlarms(" + aAlarmId + ")");
}
// Execute clear operation.
this._dbNewTxn(ALARM_STORE, "readwrite", function(aTxn, aStore) {
aStore.get(aAlarmId).onsuccess = function onsuccess(aEvent) {
let alarm = aEvent.target.result;
aTxn.result = false;
if (!alarm || aType !== alarm.type) {
return;
}
if (DEBUG) {
debug("Remove alarm " + JSON.stringify(alarm) + " from datastore");
}
aStore.delete(aAlarmId);
aTxn.result = true;
};
}, aResultCb);
},
removeAllAlarms: function(aType, aResultCb) {
if (DEBUG) {
debug(aType + "Mgr.removeAllAlarms()");
}
// Execute clear operation.
this._dbNewTxn(ALARM_STORE, "readwrite", function(aTxn, aStore) {
if (DEBUG) {
debug("Remove all " + aType + " alarms from datastore.");
}
let range = IDBKeyRange.only(aType);
let request = aStore.index("type").openCursor(range);
request.onsuccess = function onsuccess(aEvent) {
let cursor = aEvent.target.result;
if (cursor) {
if (DEBUG) {
debug("Remove " + JSON.stringify(cursor.value) + " from database.");
}
cursor.delete();
cursor.continue();
return;
}
};
}, aResultCb);
},
// Get all index keys of the component.
getComponents: function(aType, aResultCb) {
if (DEBUG) {
debug(aType + "Mgr.getComponents()");
}
let storeName = statsStoreNames[aType];
this._dbNewTxn(storeName, "readonly", function(aTxn, aStore) {
if (!aTxn.result) {
aTxn.result = [];
}
let request = aStore.index("component").openKeyCursor(null, "nextunique");
request.onsuccess = function onsuccess(aEvent) {
let cursor = aEvent.target.result;
if (cursor) {
aTxn.result.push(cursor.key);
cursor.continue();
return;
}
// Remove "" from the result, which indicates sum of all
// components' stats.
let index = aTxn.result.indexOf("");
if (index > -1) {
aTxn.result.splice(index, 1);
}
};
}, aResultCb);
},
get sampleRate () {
return SAMPLE_RATE;
},
get maxStorageAge() {
return MAX_STORAGE_AGE;
},
};

480
dom/resourcestats/ResourceStatsManager.js Normal file
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@ -0,0 +1,480 @@
/* 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("-*- ResourceStatsManager: " + 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");
// Constant defines supported statistics.
const resourceTypeList = ["network", "power"];
function NetworkStatsData(aStatsData) {
if (DEBUG) {
debug("NetworkStatsData(): " + JSON.stringify(aStatsData));
}
this.receivedBytes = aStatsData.receivedBytes || 0;
this.sentBytes = aStatsData.sentBytes || 0;
this.timestamp = aStatsData.timestamp;
}
NetworkStatsData.prototype = {
classID: Components.ID("{dce5729a-ba92-4185-8854-e29e71b9e8a2}"),
contractID: "@mozilla.org/networkStatsData;1",
QueryInterface: XPCOMUtils.generateQI([])
};
function PowerStatsData(aStatsData) {
if (DEBUG) {
debug("PowerStatsData(): " + JSON.stringify(aStatsData));
}
this.consumedPower = aStatsData.consumedPower || 0;
this.timestamp = aStatsData.timestamp;
}
PowerStatsData.prototype = {
classID: Components.ID("{acb9af6c-8143-4e59-bc18-4bb1736a4004}"),
contractID: "@mozilla.org/powerStatsData;1",
QueryInterface: XPCOMUtils.generateQI([])
};
function ResourceStats(aWindow, aStats) {
if (DEBUG) {
debug("ResourceStats(): " + JSON.stringify(aStats));
}
this._window = aWindow;
this.type = aStats.type;
this.component = aStats.component || null;
this.serviceType = aStats.serviceType || null;
this.manifestURL = aStats.manifestURL || null;
this.start = aStats.start;
this.end = aStats.end;
this.statsData = new aWindow.Array();
// A function creates a StatsData object according to type.
let createStatsDataObject = null;
let self = this;
switch (this.type) {
case "power":
createStatsDataObject = function(aStats) {
let chromeObj = new PowerStatsData(aStats);
return self._window.PowerStatsData._create(self._window, chromeObj);
};
break;
case "network":
createStatsDataObject = function(aStats) {
let chromeObj = new NetworkStatsData(aStats);
return self._window.NetworkStatsData._create(self._window, chromeObj);
};
break;
}
let sampleRate = aStats.sampleRate;
let queryResult = aStats.statsData;
let stats = queryResult.pop(); // Pop out the last element.
let timestamp = this.start;
// Push query result to statsData, and fill empty elements so that:
// 1. the timestamp of the first element of statsData is equal to start;
// 2. the timestamp of the last element of statsData is equal to end;
// 3. the timestamp difference of every neighboring elements is SAMPLE_RATE.
for (; timestamp <= this.end; timestamp += sampleRate) {
if (!stats || stats.timestamp != timestamp) {
// If dataArray is empty or timestamp are not equal, push a dummy object
// (which stats are set to 0) to statsData.
this.statsData.push(createStatsDataObject({ timestamp: timestamp }));
} else {
// Push stats to statsData and pop a new element form queryResult.
this.statsData.push(createStatsDataObject(stats));
stats = queryResult.pop();
}
}
}
ResourceStats.prototype = {
getData: function() {
return this.statsData;
},
classID: Components.ID("{b7c970f2-3d58-4966-9633-2024feb5132b}"),
contractID: "@mozilla.org/resourceStats;1",
QueryInterface: XPCOMUtils.generateQI([])
};
function ResourceStatsAlarm(aWindow, aAlarm) {
if (DEBUG) {
debug("ResourceStatsAlarm(): " + JSON.stringify(aAlarm));
}
this.alarmId = aAlarm.alarmId;
this.type = aAlarm.type;
this.component = aAlarm.component || null;
this.serviceType = aAlarm.serviceType || null;
this.manifestURL = aAlarm.manifestURL || null;
this.threshold = aAlarm.threshold;
// Clone data object using structured clone algorithm.
this.data = null;
if (aAlarm.data) {
this.data = Cu.cloneInto(aAlarm.data, aWindow);
}
}
ResourceStatsAlarm.prototype = {
classID: Components.ID("{e2b66e7a-0ff1-4015-8690-a2a3f6a5b63a}"),
contractID: "@mozilla.org/resourceStatsAlarm;1",
QueryInterface: XPCOMUtils.generateQI([]),
};
function ResourceStatsManager() {
if (DEBUG) {
debug("constructor()");
}
}
ResourceStatsManager.prototype = {
__proto__: DOMRequestIpcHelper.prototype,
_getPromise: function(aCallback) {
let self = this;
return this.createPromise(function(aResolve, aReject) {
let resolverId = self.getPromiseResolverId({
resolve: aResolve,
reject: aReject
});
aCallback(resolverId);
});
},
// Check time range.
_checkTimeRange: function(aStart, aEnd) {
if (DEBUG) {
debug("_checkTimeRange(): " + aStart + " to " + aEnd);
}
let start = aStart ? aStart : 0;
let end = aEnd ? aEnd : Date.now();
if (start > end) {
throw Cr.NS_ERROR_INVALID_ARG;
}
return { start: start, end: end };
},
getStats: function(aStatsOptions, aStart, aEnd) {
// Check time range.
let { start: start, end: end } = this._checkTimeRange(aStart, aEnd);
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:GetStats", {
resolverId: aResolverId,
type: self.type,
statsOptions: aStatsOptions,
manifestURL: self._manifestURL,
start: start,
end: end
});
});
},
clearStats: function(aStatsOptions, aStart, aEnd) {
// Check time range.
let {start: start, end: end} = this._checkTimeRange(aStart, aEnd);
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:ClearStats", {
resolverId: aResolverId,
type: self.type,
statsOptions: aStatsOptions,
manifestURL: self._manifestURL,
start: start,
end: end
});
});
},
clearAllStats: function() {
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:ClearAllStats", {
resolverId: aResolverId,
type: self.type,
manifestURL: self._manifestURL
});
});
},
addAlarm: function(aThreshold, aStatsOptions, aAlarmOptions) {
if (DEBUG) {
debug("aStatsOptions: " + JSON.stringify(aAlarmOptions));
debug("aAlarmOptions: " + JSON.stringify(aAlarmOptions));
}
// Parse alarm options.
let startTime = aAlarmOptions.startTime || 0;
// Clone data object using structured clone algorithm.
let data = null;
if (aAlarmOptions.data) {
data = Cu.cloneInto(aAlarmOptions.data, this._window);
}
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:AddAlarm", {
resolverId: aResolverId,
type: self.type,
threshold: aThreshold,
statsOptions: aStatsOptions,
manifestURL: self._manifestURL,
startTime: startTime,
data: data
});
});
},
getAlarms: function(aStatsOptions) {
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:GetAlarms", {
resolverId: aResolverId,
type: self.type,
statsOptions: aStatsOptions,
manifestURL: self._manifestURL
});
});
},
removeAlarm: function(aAlarmId) {
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:RemoveAlarm", {
resolverId: aResolverId,
type: self.type,
manifestURL: self._manifestURL,
alarmId: aAlarmId
});
});
},
removeAllAlarms: function() {
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:RemoveAllAlarms", {
resolverId: aResolverId,
type: self.type,
manifestURL: self._manifestURL
});
});
},
getAvailableComponents: function() {
// Create Promise.
let self = this;
return this._getPromise(function(aResolverId) {
self.cpmm.sendAsyncMessage("ResourceStats:GetComponents", {
resolverId: aResolverId,
type: self.type,
manifestURL: self._manifestURL
});
});
},
get resourceTypes() {
let types = new this._window.Array();
resourceTypeList.forEach(function(aType) {
types.push(aType);
});
return types;
},
get sampleRate() {
let msg = { manifestURL: this._manifestURL };
return this.cpmm.sendSyncMessage("ResourceStats:SampleRate", msg)[0];
},
get maxStorageAge() {
let msg = { manifestURL: this._manifestURL };
return this.cpmm.sendSyncMessage("ResourceStats:MaxStorageAge", msg)[0];
},
receiveMessage: function(aMessage) {
let data = aMessage.data;
let chromeObj = null;
let webidlObj = null;
let self = this;
if (DEBUG) {
debug("receiveMessage(): " + aMessage.name + " " + data.resolverId);
}
let resolver = this.takePromiseResolver(data.resolverId);
if (!resolver) {
return;
}
switch (aMessage.name) {
case "ResourceStats:GetStats:Resolved":
if (DEBUG) {
debug("data.value = " + JSON.stringify(data.value));
}
chromeObj = new ResourceStats(this._window, data.value);
webidlObj = this._window.ResourceStats._create(this._window, chromeObj);
resolver.resolve(webidlObj);
break;
case "ResourceStats:AddAlarm:Resolved":
if (DEBUG) {
debug("data.value = " + JSON.stringify(data.value));
}
resolver.resolve(data.value); // data.value is alarmId.
break;
case "ResourceStats:GetAlarms:Resolved":
if (DEBUG) {
debug("data.value = " + JSON.stringify(data.value));
}
let alarmArray = this._window.Array();
data.value.forEach(function(aAlarm) {
chromeObj = new ResourceStatsAlarm(self._window, aAlarm);
webidlObj = self._window.ResourceStatsAlarm._create(self._window,
chromeObj);
alarmArray.push(webidlObj);
});
resolver.resolve(alarmArray);
break;
case "ResourceStats:GetComponents:Resolved":
if (DEBUG) {
debug("data.value = " + JSON.stringify(data.value));
}
let components = this._window.Array();
data.value.forEach(function(aComponent) {
components.push(aComponent);
});
resolver.resolve(components);
break;
case "ResourceStats:ClearStats:Resolved":
case "ResourceStats:ClearAllStats:Resolved":
case "ResourceStats:RemoveAlarm:Resolved":
case "ResourceStats:RemoveAllAlarms:Resolved":
if (DEBUG) {
debug("data.value = " + JSON.stringify(data.value));
}
resolver.resolve(data.value);
break;
case "ResourceStats:GetStats:Rejected":
case "ResourceStats:ClearStats:Rejected":
case "ResourceStats:ClearAllStats:Rejected":
case "ResourceStats:AddAlarm:Rejected":
case "ResourceStats:GetAlarms:Rejected":
case "ResourceStats:RemoveAlarm:Rejected":
case "ResourceStats:RemoveAllAlarms:Rejected":
case "ResourceStats:GetComponents:Rejected":
if (DEBUG) {
debug("data.reason = " + JSON.stringify(data.reason));
}
resolver.reject(data.reason);
break;
default:
if (DEBUG) {
debug("Could not find a handler for " + aMessage.name);
}
resolver.reject();
}
},
__init: function(aType) {
if (resourceTypeList.indexOf(aType) < 0) {
if (DEBUG) {
debug("Do not support resource statistics for " + aType);
}
throw Cr.NS_ERROR_INVALID_ARG;
} else {
if (DEBUG) {
debug("Create " + aType + "Mgr");
}
this.type = aType;
}
},
init: function(aWindow) {
if (DEBUG) {
debug("init()");
}
// Get the manifestURL if this is an installed app
let principal = aWindow.document.nodePrincipal;
let appsService = Cc["@mozilla.org/AppsService;1"]
.getService(Ci.nsIAppsService);
this._manifestURL = appsService.getManifestURLByLocalId(principal.appId);
const messages = ["ResourceStats:GetStats:Resolved",
"ResourceStats:ClearStats:Resolved",
"ResourceStats:ClearAllStats:Resolved",
"ResourceStats:AddAlarm:Resolved",
"ResourceStats:GetAlarms:Resolved",
"ResourceStats:RemoveAlarm:Resolved",
"ResourceStats:RemoveAllAlarms:Resolved",
"ResourceStats:GetComponents:Resolved",
"ResourceStats:GetStats:Rejected",
"ResourceStats:ClearStats:Rejected",
"ResourceStats:ClearAllStats:Rejected",
"ResourceStats:AddAlarm:Rejected",
"ResourceStats:GetAlarms:Rejected",
"ResourceStats:RemoveAlarm:Rejected",
"ResourceStats:RemoveAllAlarms:Rejected",
"ResourceStats:GetComponents:Rejected"];
this.initDOMRequestHelper(aWindow, messages);
this.cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
.getService(Ci.nsISyncMessageSender);
},
classID: Components.ID("{101ed1f8-31b3-491c-95ea-04091e6e8027}"),
contractID: "@mozilla.org/resourceStatsManager;1",
QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMGlobalPropertyInitializer,
Ci.nsISupportsWeakReference,
Ci.nsIObserver])
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([NetworkStatsData,
PowerStatsData,
ResourceStats,
ResourceStatsAlarm,
ResourceStatsManager]);

14
dom/resourcestats/ResourceStatsManager.manifest Normal file
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@ -0,0 +1,14 @@
component {dce5729a-ba92-4185-8854-e29e71b9e8a2} ResourceStatsManager.js
contract @mozilla.org/networkStatsData;1 {dce5729a-ba92-4185-8854-e29e71b9e8a2}
component {acb9af6c-8143-4e59-bc18-4bb1736a4004} ResourceStatsManager.js
contract @mozilla.org/powerStatsData;1 {acb9af6c-8143-4e59-bc18-4bb1736a4004}
component {b7c970f2-3d58-4966-9633-2024feb5132b} ResourceStatsManager.js
contract @mozilla.org/resourceStats;1 {b7c970f2-3d58-4966-9633-2024feb5132b}
component {e2b66e7a-0ff1-4015-8690-a2a3f6a5b63a} ResourceStatsManager.js
contract @mozilla.org/resourceStatsAlarm;1 {e2b66e7a-0ff1-4015-8690-a2a3f6a5b63a}
component {101ed1f8-31b3-491c-95ea-04091e6e8027} ResourceStatsManager.js
contract @mozilla.org/resourceStatsManager;1 {101ed1f8-31b3-491c-95ea-04091e6e8027}

334
dom/resourcestats/ResourceStatsService.jsm Normal file
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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";
this.EXPORTED_SYMBOLS = ["ResourceStatsService"];
const DEBUG = false;
function debug(s) { dump("-*- ResourceStatsService: " + 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");
// Load ResourceStatsDB.
Cu.import("resource://gre/modules/ResourceStatsDB.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "gIDBManager",
"@mozilla.org/dom/indexeddb/manager;1",
"nsIIndexedDatabaseManager");
XPCOMUtils.defineLazyServiceGetter(this, "ppmm",
"@mozilla.org/parentprocessmessagemanager;1",
"nsIMessageListenerManager");
XPCOMUtils.defineLazyServiceGetter(this, "appsService",
"@mozilla.org/AppsService;1",
"nsIAppsService");
this.ResourceStatsService = {
init: function() {
if (DEBUG) {
debug("Service started");
}
// Set notification to observe.
Services.obs.addObserver(this, "xpcom-shutdown", false);
// Add message listener.
this.messages = ["ResourceStats:GetStats",
"ResourceStats:ClearStats",
"ResourceStats:ClearAllStats",
"ResourceStats:AddAlarm",
"ResourceStats:GetAlarms",
"ResourceStats:RemoveAlarm",
"ResourceStats:RemoveAllAlarms",
"ResourceStats:GetComponents",
"ResourceStats:SampleRate",
"ResourceStats:MaxStorageAge"];
this.messages.forEach(function(aMessageName){
ppmm.addMessageListener(aMessageName, this);
}, this);
// Create indexedDB.
this._db = new ResourceStatsDB();
},
receiveMessage: function(aMessage) {
if (DEBUG) {
debug("receiveMessage(): " + aMessage.name);
}
let mm = aMessage.target;
let data = aMessage.data;
if (DEBUG) {
debug("received aMessage.data = " + JSON.stringify(data));
}
// To prevent the hacked child process from sending commands to parent,
// we need to check its permission and manifest URL.
if (!aMessage.target.assertPermission("resourcestats-manage")) {
return;
}
if (!aMessage.target.assertContainApp(data.manifestURL)) {
if (DEBUG) {
debug("Got msg from a child process containing illegal manifestURL.");
}
return;
}
switch (aMessage.name) {
case "ResourceStats:GetStats":
this.getStats(mm, data);
break;
case "ResourceStats:ClearStats":
this.clearStats(mm, data);
break;
case "ResourceStats:ClearAllStats":
this.clearAllStats(mm, data);
break;
case "ResourceStats:AddAlarm":
this.addAlarm(mm, data);
break;
case "ResourceStats:GetAlarms":
this.getAlarms(mm, data);
break;
case "ResourceStats:RemoveAlarm":
this.removeAlarm(mm, data);
break;
case "ResourceStats:RemoveAllAlarms":
this.removeAllAlarms(mm, data);
break;
case "ResourceStats:GetComponents":
this.getComponents(mm, data);
break;
case "ResourceStats:SampleRate":
// This message is sync.
return this._db.sampleRate;
case "ResourceStats:MaxStorageAge":
// This message is sync.
return this._db.maxStorageAge;
}
},
observe: function(aSubject, aTopic, aData) {
switch (aTopic) {
case "xpcom-shutdown":
if (DEBUG) {
debug("Service shutdown " + aData);
}
this.messages.forEach(function(aMessageName) {
ppmm.removeMessageListener(aMessageName, this);
}, this);
Services.obs.removeObserver(this, "xpcom-shutdown");
break;
default:
return;
}
},
// Closure generates callback function for DB request.
_createDbCallback: function(aMm, aId, aMessage) {
let resolveMsg = aMessage + ":Resolved";
let rejectMsg = aMessage + ":Rejected";
return function(aError, aResult) {
if (aError) {
aMm.sendAsyncMessage(rejectMsg, { resolverId: aId, reason: aError });
return;
}
aMm.sendAsyncMessage(resolveMsg, { resolverId: aId, value: aResult });
};
},
getStats: function(aMm, aData) {
if (DEBUG) {
debug("getStats(): " + JSON.stringify(aData));
}
// Note: we validate the manifestURL in _db.getStats().
let manifestURL = aData.statsOptions.manifestURL || "";
let serviceType = aData.statsOptions.serviceType || "";
let component = aData.statsOptions.component || "";
// Execute DB operation.
let onStatsGot = this._createDbCallback(aMm, aData.resolverId,
"ResourceStats:GetStats");
this._db.getStats(aData.type, manifestURL, serviceType, component,
aData.start, aData.end, onStatsGot);
},
clearStats: function(aMm, aData) {
if (DEBUG) {
debug("clearStats(): " + JSON.stringify(aData));
}
// Get appId and check whether manifestURL is a valid app.
let appId = 0;
let manifestURL = aData.statsOptions.manifestURL || "";
if (manifestURL) {
appId = appsService.getAppLocalIdByManifestURL(manifestURL);
if (!appId) {
aMm.sendAsyncMessage("ResourceStats:GetStats:Rejected", {
resolverId: aData.resolverId,
reason: "Invalid manifestURL"
});
return;
}
}
let serviceType = aData.statsOptions.serviceType || "";
let component = aData.statsOptions.component || "";
// Execute DB operation.
let onStatsCleared = this._createDbCallback(aMm, aData.resolverId,
"ResourceStats:ClearStats");
this._db.clearStats(aData.type, appId, serviceType, component,
aData.start, aData.end, onStatsCleared);
},
clearAllStats: function(aMm, aData) {
if (DEBUG) {
debug("clearAllStats(): " + JSON.stringify(aData));
}
// Execute DB operation.
let onAllStatsCleared = this._createDbCallback(aMm, aData.resolverId,
"ResourceStats:ClearAllStats");
this._db.clearAllStats(aData.type, onAllStatsCleared);
},
addAlarm: function(aMm, aData) {
if (DEBUG) {
debug("addAlarm(): " + JSON.stringify(aData));
}
// Get appId and check whether manifestURL is a valid app.
let manifestURL = aData.statsOptions.manifestURL;
if (manifestURL) {
let appId = appsService.getAppLocalIdByManifestURL(manifestURL);
if (!appId) {
aMm.sendAsyncMessage("ResourceStats:GetStats:Rejected", {
resolverId: aData.resolverId,
reason: "Invalid manifestURL"
});
return;
}
}
// Create an alarm object.
let newAlarm = {
type: aData.type,
component: aData.statsOptions.component || "",
serviceType: aData.statsOptions.serviceType || "",
manifestURL: manifestURL || "",
threshold: aData.threshold,
startTime: aData.startTime,
data: aData.data
};
// Execute DB operation.
let onAlarmAdded = this._createDbCallback(aMm, aData.resolverId,
"ResourceStats:AddAlarm");
this._db.addAlarm(newAlarm, onAlarmAdded);
},
getAlarms: function(aMm, aData) {
if (DEBUG) {
debug("getAlarms(): " + JSON.stringify(aData));
}
let options = null;
let statsOptions = aData.statsOptions;
// If all keys in statsOptions are set to null, treat this call as quering
// all alarms; otherwise, resolve the statsOptions and perform DB query
// according to the resolved result.
if (statsOptions.manifestURL || statsOptions.serviceType ||
statsOptions.component) {
// Validate manifestURL.
let manifestURL = statsOptions.manifestURL || "";
if (manifestURL) {
let appId = appsService.getAppLocalIdByManifestURL(manifestURL);
if (!appId) {
aMm.sendAsyncMessage("ResourceStats:GetStats:Rejected", {
resolverId: aData.resolverId,
reason: "Invalid manifestURL"
});
return;
}
}
options = {
manifestURL: manifestURL,
serviceType: statsOptions.serviceType || "",
component: statsOptions.component || ""
};
}
// Execute DB operation.
let onAlarmsGot = this._createDbCallback(aMm, aData.resolverId,
"ResourceStats:GetAlarms");
this._db.getAlarms(aData.type, options, onAlarmsGot);
},
removeAlarm: function(aMm, aData) {
if (DEBUG) {
debug("removeAlarm(): " + JSON.stringify(aData));
}
// Execute DB operation.
let onAlarmRemoved = function(aError, aResult) {
if (aError) {
aMm.sendAsyncMessage("ResourceStats:RemoveAlarm:Rejected",
{ resolverId: aData.resolverId, reason: aError });
}
if (!aResult) {
aMm.sendAsyncMessage("ResourceStats:RemoveAlarm:Rejected",
{ resolverId: aData.resolverId,
reason: "alarm not existed" });
}
aMm.sendAsyncMessage("ResourceStats:RemoveAlarm:Resolved",
{ resolverId: aData.resolverId, value: aResult });
};
this._db.removeAlarm(aData.type, aData.alarmId, onAlarmRemoved);
},
removeAllAlarms: function(aMm, aData) {
if (DEBUG) {
debug("removeAllAlarms(): " + JSON.stringify(aData));
}
// Execute DB operation.
let onAllAlarmsRemoved = this._createDbCallback(aMm, aData.resolverId,
"ResourceStats:RemoveAllAlarms");
this._db.removeAllAlarms(aData.type, onAllAlarmsRemoved);
},
getComponents: function(aMm, aData) {
if (DEBUG) {
debug("getComponents(): " + JSON.stringify(aData));
}
// Execute DB operation.
let onComponentsGot = this._createDbCallback(aMm, aData.resolverId,
"ResourceStats:GetComponents");
this._db.getComponents(aData.type, onComponentsGot);
},
};
this.ResourceStatsService.init();

26
dom/resourcestats/moz.build Normal file
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# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# 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/.
EXPORTS.mozilla.dom += [
'ResourceStatsControl.h',
]
SOURCES += [
'ResourceStatsControl.cpp',
]
EXTRA_COMPONENTS += [
'ResourceStatsManager.js',
'ResourceStatsManager.manifest',
]
EXTRA_JS_MODULES += [
'ResourceStatsDB.jsm',
'ResourceStatsService.jsm',
]
FINAL_LIBRARY = 'gklayout'