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Diffstat (limited to 'dom/wifi/WifiNetUtil.jsm')
-rw-r--r-- | dom/wifi/WifiNetUtil.jsm | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/dom/wifi/WifiNetUtil.jsm b/dom/wifi/WifiNetUtil.jsm deleted file mode 100644 index 2a1866515..000000000 --- a/dom/wifi/WifiNetUtil.jsm +++ /dev/null @@ -1,154 +0,0 @@ -/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ -/* 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 {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components; - -Cu.import("resource://gre/modules/XPCOMUtils.jsm"); -Cu.import("resource://gre/modules/systemlibs.js"); - -XPCOMUtils.defineLazyServiceGetter(this, "gNetworkService", - "@mozilla.org/network/service;1", - "nsINetworkService"); - -this.EXPORTED_SYMBOLS = ["WifiNetUtil"]; - -const DHCP_PROP = "init.svc.dhcpcd"; -const DHCP = "dhcpcd"; -const DEBUG = false; - -this.WifiNetUtil = function(controlMessage) { - function debug(msg) { - if (DEBUG) { - dump('-------------- NetUtil: ' + msg); - } - } - - var util = {}; - - util.runDhcp = function (ifname, gen, callback) { - util.stopDhcp(ifname, function() { - gNetworkService.dhcpRequest(ifname, function(success, dhcpInfo) { - util.runIpConfig(ifname, dhcpInfo, function(data) { - callback(data, gen); - }); - }); - }); - }; - - util.stopDhcp = function (ifname, callback) { - // This function does exactly what dhcp_stop does. Unforunately, if we call - // this function twice before the previous callback is returned. We may block - // our self waiting for the callback. It slows down the wifi startup procedure. - // Therefore, we have to roll our own version here. - let dhcpService = DHCP_PROP + "_" + ifname; - let suffix = (ifname.substr(0, 3) === "p2p") ? "p2p" : ifname; - let processName = DHCP + "_" + suffix; - - // The implementation of |dhcp_do_request| would wait until the - // |result_prop_name| (e.g. dhcp.wlan0.result) to be non-null - // or 30 second timeout. So we manually change the result property - // to 'ko' to avoid timeout. - // - // http://androidxref.com/4.4.4_r1/xref/system/core/libnetutils/dhcp_utils.c#234 - setProperty('dhcp.' + suffix + '.result', 'ko', function() { - stopProcess(dhcpService, processName, callback); - }); - }; - - util.startDhcpServer = function (config, callback) { - gNetworkService.setDhcpServer(true, config, function (error) { - callback(!error); - }); - }; - - util.stopDhcpServer = function (callback) { - gNetworkService.setDhcpServer(false, null, function (error) { - callback(!error); - }); - }; - - util.runIpConfig = function (name, data, callback) { - if (!data) { - debug("IP config failed to run"); - callback({ info: data }); - return; - } - - setProperty("net." + name + ".dns1", ipToString(data.dns1), - function(ok) { - if (!ok) { - debug("Unable to set net.<ifname>.dns1"); - return; - } - setProperty("net." + name + ".dns2", ipToString(data.dns2), - function(ok) { - if (!ok) { - debug("Unable to set net.<ifname>.dns2"); - return; - } - setProperty("net." + name + ".gw", ipToString(data.gateway), - function(ok) { - if (!ok) { - debug("Unable to set net.<ifname>.gw"); - return; - } - callback({ info: data }); - }); - }); - }); - }; - - //-------------------------------------------------- - // Helper functions. - //-------------------------------------------------- - - function stopProcess(service, process, callback) { - var count = 0; - var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer); - function tick() { - let result = libcutils.property_get(service); - if (result === null) { - callback(); - return; - } - if (result === "stopped" || ++count >= 5) { - // Either we succeeded or ran out of time. - timer = null; - callback(); - return; - } - - // Else it's still running, continue waiting. - timer.initWithCallback(tick, 1000, Ci.nsITimer.TYPE_ONE_SHOT); - } - - setProperty("ctl.stop", process, tick); - } - - // Wrapper around libcutils.property_set that returns true if setting the - // value was successful. - // Note that the callback is not called asynchronously. - function setProperty(key, value, callback) { - let ok = true; - try { - libcutils.property_set(key, value); - } catch(e) { - ok = false; - } - callback(ok); - } - - function ipToString(n) { - return String((n >> 0) & 0xFF) + "." + - ((n >> 8) & 0xFF) + "." + - ((n >> 16) & 0xFF) + "." + - ((n >> 24) & 0xFF); - } - - return util; -}; |