mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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205 lines
7.0 KiB
JavaScript
205 lines
7.0 KiB
JavaScript
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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const NETWORKMANAGER_CONTRACTID = "@mozilla.org/network/manager;1";
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const NETWORKMANAGER_CID =
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Components.ID("{33901e46-33b8-11e1-9869-f46d04d25bcc}");
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const NETWORKINTERFACE_CONTRACTID = "@mozilla.org/network/interface;1";
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const NETWORKINTERFACE_CID =
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Components.ID("{266c3edd-78f0-4512-8178-2d6fee2d35ee}");
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const DEFAULT_PREFERRED_NETWORK_TYPE = Ci.nsINetworkInterface.NETWORK_TYPE_WIFI;
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const TOPIC_INTERFACE_STATE_CHANGED = "network-interface-state-changed";
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const TOPIC_INTERFACE_REGISTERED = "network-interface-registered";
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const TOPIC_INTERFACE_UNREGISTERED = "network-interface-unregistered";
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const TOPIC_DEFAULT_ROUTE_CHANGED = "network-default-route-changed";
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const DEBUG = false;
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/**
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* This component watches for network interfaces changing state and then
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* adjusts routes etc. accordingly.
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*/
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function NetworkManager() {
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this.networkInterfaces = {};
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Services.obs.addObserver(this, TOPIC_INTERFACE_STATE_CHANGED, true);
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debug("Starting worker.");
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this.worker = new ChromeWorker("resource://gre/modules/net_worker.js");
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this.worker.onmessage = function onmessage(event) {
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this.handleWorkerMessage(event.data);
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}.bind(this);
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this.worker.onerror = function onerror(event) {
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debug("Received error from worker: " + event.filename +
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":" + event.lineno + ": " + event.message + "\n");
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// Prevent the event from bubbling any further.
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event.preventDefault();
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};
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}
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NetworkManager.prototype = {
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classID: NETWORKMANAGER_CID,
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classInfo: XPCOMUtils.generateCI({classID: NETWORKMANAGER_CID,
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contractID: NETWORKMANAGER_CONTRACTID,
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classDescription: "Network Manager",
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interfaces: [Ci.nsINetworkManager]}),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsINetworkManager,
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Ci.nsISupportsWeakReference,
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Ci.nsIObserver,
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Ci.nsIWorkerHolder]),
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// nsIWorkerHolder
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worker: null,
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// nsIObserver
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observe: function observe(subject, topic, data) {
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if (topic != TOPIC_INTERFACE_STATE_CHANGED) {
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return;
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}
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let network = subject.QueryInterface(Ci.nsINetworkInterface);
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debug("Network '" + network.name + "' changed state to " + network.state);
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switch (network.state) {
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case Ci.nsINetworkInterface.NETWORK_STATE_CONNECTED:
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case Ci.nsINetworkInterface.NETWORK_STATE_DISCONNECTING:
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this.setAndConfigureActive();
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break;
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}
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},
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// nsINetworkManager
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registerNetworkInterface: function registerNetworkInterface(network) {
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if (!(network instanceof Ci.nsINetworkInterface)) {
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throw Components.Exception("Argument must be nsINetworkInterface.",
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Cr.NS_ERROR_INVALID_ARG);
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}
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if (network.name in this.networkInterfaces) {
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throw Components.Exception("Network with that name already registered!",
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Cr.NS_ERROR_INVALID_ARG);
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}
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this.networkInterfaces[network.name] = network;
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this.setAndConfigureActive();
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Services.obs.notifyObservers(network, TOPIC_INTERFACE_REGISTERED, null);
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debug("Network '" + network.name + "' registered.");
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},
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unregisterNetworkInterface: function unregisterNetworkInterface(network) {
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if (!(network instanceof Ci.nsINetworkInterface)) {
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throw Components.Exception("Argument must be nsINetworkInterface.",
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Cr.NS_ERROR_INVALID_ARG);
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}
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if (!(network.name in this.networkInterfaces)) {
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throw Components.Exception("No network with that name registered.",
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Cr.NS_ERROR_INVALID_ARG);
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}
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delete this.networkInterfaces[network.name];
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this.setAndConfigureActive();
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Services.obs.notifyObservers(network, TOPIC_INTERFACE_UNREGISTERED, null);
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debug("Network '" + network.name + "' unregistered.");
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},
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networkInterfaces: null,
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_preferredNetworkType: DEFAULT_PREFERRED_NETWORK_TYPE,
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get preferredNetworkType() {
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return this._preferredNetworkType;
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},
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set preferredNetworkType(val) {
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if ([Ci.nsINetworkInterface.NETWORK_TYPE_WIFI,
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Ci.nsINetworkInterface.NETWORK_TYPE_MOBILE,
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Ci.nsINetworkInterface.NETWORK_TYPE_MOBILE_MMS].indexOf(val) == -1) {
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throw "Invalid network type";
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}
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this._preferredNetworkType = val;
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},
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active: null,
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_overriddenActive: null,
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overrideActive: function overrideActive(network) {
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this._overriddenActive = network;
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this.setAndConfigureActive();
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},
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// Helpers
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handleWorkerMessage: function handleWorkerMessage(message) {
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debug("NetworkManager received message from worker: " + JSON.stringify(message));
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},
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/**
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* Determine the active interface and configure it.
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*/
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setAndConfigureActive: function setAndConfigureActive() {
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debug("Evaluating whether active network needs to be changed.");
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if (this._overriddenActive) {
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debug("We have an override for the active network: " +
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this._overriddenActive.name);
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// The override was just set, so reconfigure the network.
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if (this.active != this._overriddenActive) {
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this.active = this._overriddenActive;
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this.setDefaultRouteAndDNS();
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}
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return;
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}
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// If the active network is already of the preferred type, nothing to do.
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if (this.active && this.active.type == this._preferredNetworkType) {
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debug("Active network is already our preferred type. Not doing anything.");
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return;
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}
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// Find a suitable network interface to activate.
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let oldActive = this.active;
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this.active = null;
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for each (let network in this.networkInterfaces) {
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if (network.state != Ci.nsINetworkInterface.NETWORK_STATE_CONNECTED) {
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continue;
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}
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this.active = network;
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if (network.type == this.preferredNetworkType) {
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debug("Found our preferred type of network: " + network.name);
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break;
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}
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}
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if (oldActive != this.active) {
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this.setDefaultRouteAndDNS();
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}
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},
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setDefaultRouteAndDNS: function setDefaultRouteAndDNS() {
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debug("Going to change route and DNS to " + this.active.name);
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if (this.active.dhcp) {
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this.worker.postMessage({cmd: "runDHCPAndSetDefaultRouteAndDNS",
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ifname: this.active.name});
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} else {
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this.worker.postMessage({cmd: "setDefaultRouteAndDNS",
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ifname: this.active.name});
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}
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},
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};
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const NSGetFactory = XPCOMUtils.generateNSGetFactory([NetworkManager]);
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let debug;
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if (DEBUG) {
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debug = function (s) {
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dump("-*- NetworkManager: " + s + "\n");
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};
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} else {
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debug = function (s) {};
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}
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