gecko/dom/system/gonk/NetworkService.js
2013-05-24 11:28:20 +02:00

463 lines
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 {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
const NETWORKSERVICE_CONTRACTID = "@mozilla.org/network/service;1";
const NETWORKSERVICE_CID = Components.ID("{c14cabaf-bb8e-470d-a2f1-2cb6de6c5e5c}");
// 1xx - Requested action is proceeding
const NETD_COMMAND_PROCEEDING = 100;
// 2xx - Requested action has been successfully completed
const NETD_COMMAND_OKAY = 200;
// 4xx - The command is accepted but the requested action didn't
// take place.
const NETD_COMMAND_FAIL = 400;
// 5xx - The command syntax or parameters error
const NETD_COMMAND_ERROR = 500;
// 6xx - Unsolicited broadcasts
const NETD_COMMAND_UNSOLICITED = 600;
const WIFI_CTRL_INTERFACE = "wl0.1";
const MANUAL_PROXY_CONFIGURATION = 1;
const DEBUG = false;
function netdResponseType(code) {
return Math.floor(code / 100) * 100;
}
function isError(code) {
let type = netdResponseType(code);
return (type !== NETD_COMMAND_PROCEEDING && type !== NETD_COMMAND_OKAY);
}
function debug(msg) {
dump("-*- NetworkService: " + msg + "\n");
}
/**
* This component watches for network interfaces changing state and then
* adjusts routes etc. accordingly.
*/
function NetworkService() {
if(DEBUG) debug("Starting net_worker.");
this.worker = new ChromeWorker("resource://gre/modules/net_worker.js");
this.worker.onmessage = this.handleWorkerMessage.bind(this);
this.worker.onerror = function onerror(event) {
if(DEBUG) debug("Received error from worker: " + event.filename +
":" + event.lineno + ": " + event.message + "\n");
// Prevent the event from bubbling any further.
event.preventDefault();
};
// Callbacks to invoke when a reply arrives from the net_worker.
this.controlCallbacks = Object.create(null);
}
NetworkService.prototype = {
classID: NETWORKSERVICE_CID,
classInfo: XPCOMUtils.generateCI({classID: NETWORKSERVICE_CID,
contractID: NETWORKSERVICE_CONTRACTID,
classDescription: "Network Service",
interfaces: [Ci.nsINetworkService]}),
QueryInterface: XPCOMUtils.generateQI([Ci.nsINetworkService,
Ci.nsISupportsWeakReference,
Ci.nsIWorkerHolder]),
// nsIWorkerHolder
worker: null,
// Helpers
idgen: 0,
controlMessage: function controlMessage(params, callback) {
if (callback) {
let id = this.idgen++;
params.id = id;
this.controlCallbacks[id] = callback;
}
this.worker.postMessage(params);
},
handleWorkerMessage: function handleWorkerMessage(e) {
if(DEBUG) debug("NetworkManager received message from worker: " + JSON.stringify(e.data));
let response = e.data;
let id = response.id;
if (id === 'broadcast') {
Services.obs.notifyObservers(null, response.topic, response.reason);
return;
}
let callback = this.controlCallbacks[id];
if (callback) {
callback.call(this, response);
delete this.controlCallbacks[id];
}
},
// nsINetworkService
getNetworkInterfaceStats: function getNetworkInterfaceStats(networkName, callback) {
if(DEBUG) debug("getNetworkInterfaceStats for " + networkName);
let params = {
cmd: "getNetworkInterfaceStats",
ifname: networkName
};
params.report = true;
params.isAsync = true;
this.controlMessage(params, function(result) {
let success = !isError(result.resultCode);
callback.networkStatsAvailable(success, result.rxBytes,
result.txBytes, result.date);
});
},
setNetworkInterfaceAlarm: function setNetworkInterfaceAlarm(networkName, threshold, callback) {
if (!networkName) {
callback.networkUsageAlarmResult(-1);
return;
}
if (threshold < 0) {
this._disableNetworkInterfaceAlarm(networkName, callback);
return;
}
this._setNetworkInterfaceAlarm(networkName, threshold, callback);
},
_setNetworkInterfaceAlarm: function _setNetworkInterfaceAlarm(networkName, threshold, callback) {
debug("setNetworkInterfaceAlarm for " + networkName + " at " + threshold + "bytes");
let params = {
cmd: "setNetworkInterfaceAlarm",
ifname: networkName,
threshold: threshold
};
params.report = true;
params.isAsync = true;
this.controlMessage(params, function(result) {
if (!isError(result.resultCode)) {
callback.networkUsageAlarmResult(null);
return;
}
this._enableNetworkInterfaceAlarm(networkName, threshold, callback);
});
},
_enableNetworkInterfaceAlarm: function _enableNetworkInterfaceAlarm(networkName, threshold, callback) {
debug("enableNetworkInterfaceAlarm for " + networkName + " at " + threshold + "bytes");
let params = {
cmd: "enableNetworkInterfaceAlarm",
ifname: networkName,
threshold: threshold
};
params.report = true;
params.isAsync = true;
this.controlMessage(params, function(result) {
if (!isError(result.resultCode)) {
callback.networkUsageAlarmResult(null);
return;
}
callback.networkUsageAlarmResult(result.reason);
});
},
_disableNetworkInterfaceAlarm: function _disableNetworkInterfaceAlarm(networkName, callback) {
debug("disableNetworkInterfaceAlarm for " + networkName);
let params = {
cmd: "disableNetworkInterfaceAlarm",
ifname: networkName,
};
params.report = true;
params.isAsync = true;
this.controlMessage(params, function(result) {
if (!isError(result.resultCode)) {
callback.networkUsageAlarmResult(null);
return;
}
callback.networkUsageAlarmResult(result.reason);
});
},
setWifiOperationMode: function setWifiOperationMode(interfaceName, mode, callback) {
if(DEBUG) debug("setWifiOperationMode on " + interfaceName + " to " + mode);
let params = {
cmd: "setWifiOperationMode",
ifname: interfaceName,
mode: mode
};
params.report = true;
params.isAsync = true;
this.controlMessage(params, function(result) {
if (isError(result.resultCode)) {
callback.wifiOperationModeResult("netd command error");
} else {
callback.wifiOperationModeResult(null);
}
});
},
resetRoutingTable: function resetRoutingTable(network) {
if (!network.ip || !network.netmask) {
if(DEBUG) debug("Either ip or netmask is null. Cannot reset routing table.");
return;
}
let options = {
cmd: "removeNetworkRoute",
ifname: network.name,
ip: network.ip,
netmask: network.netmask
};
this.worker.postMessage(options);
},
setDNS: function setDNS(networkInterface) {
if(DEBUG) debug("Going DNS to " + networkInterface.name);
let options = {
cmd: "setDNS",
ifname: networkInterface.name,
dns1_str: networkInterface.dns1,
dns2_str: networkInterface.dns2
};
this.worker.postMessage(options);
},
setDefaultRouteAndDNS: function setDefaultRouteAndDNS(network, oldInterface) {
if(DEBUG) debug("Going to change route and DNS to " + network.name);
let options = {
cmd: "setDefaultRouteAndDNS",
ifname: network.name,
oldIfname: (oldInterface && oldInterface !== network) ? oldInterface.name : null,
gateway_str: network.gateway,
dns1_str: network.dns1,
dns2_str: network.dns2
};
this.worker.postMessage(options);
this.setNetworkProxy(network);
},
removeDefaultRoute: function removeDefaultRoute(ifname) {
if(DEBUG) debug("Remove default route for " + ifname);
let options = {
cmd: "removeDefaultRoute",
ifname: ifname
};
this.worker.postMessage(options);
},
addHostRoute: function addHostRoute(network) {
if(DEBUG) debug("Going to add host route on " + network.name);
let options = {
cmd: "addHostRoute",
ifname: network.name,
gateway: network.gateway,
hostnames: [network.dns1, network.dns2, network.httpProxyHost]
};
this.worker.postMessage(options);
},
removeHostRoute: function removeHostRoute(network) {
if(DEBUG) debug("Going to remove host route on " + network.name);
let options = {
cmd: "removeHostRoute",
ifname: network.name,
gateway: network.gateway,
hostnames: [network.dns1, network.dns2, network.httpProxyHost]
};
this.worker.postMessage(options);
},
removeHostRoutes: function removeHostRoutes(ifname) {
if(DEBUG) debug("Going to remove all host routes on " + ifname);
let options = {
cmd: "removeHostRoutes",
ifname: ifname,
};
this.worker.postMessage(options);
},
addHostRouteWithResolve: function addHostRouteWithResolve(network, hosts) {
if(DEBUG) debug("Going to add host route after dns resolution on " + network.name);
let options = {
cmd: "addHostRoute",
ifname: network.name,
gateway: network.gateway,
hostnames: hosts
};
this.worker.postMessage(options);
},
removeHostRouteWithResolve: function removeHostRouteWithResolve(network, hosts) {
if(DEBUG) debug("Going to remove host route after dns resolution on " + network.name);
let options = {
cmd: "removeHostRoute",
ifname: network.name,
gateway: network.gateway,
hostnames: hosts
};
this.worker.postMessage(options);
},
setNetworkProxy: function setNetworkProxy(network) {
try {
if (!network.httpProxyHost || network.httpProxyHost === "") {
// Sets direct connection to internet.
Services.prefs.clearUserPref("network.proxy.type");
Services.prefs.clearUserPref("network.proxy.share_proxy_settings");
Services.prefs.clearUserPref("network.proxy.http");
Services.prefs.clearUserPref("network.proxy.http_port");
Services.prefs.clearUserPref("network.proxy.ssl");
Services.prefs.clearUserPref("network.proxy.ssl_port");
if(DEBUG) debug("No proxy support for " + network.name + " network interface.");
return;
}
if(DEBUG) debug("Going to set proxy settings for " + network.name + " network interface.");
// Sets manual proxy configuration.
Services.prefs.setIntPref("network.proxy.type", MANUAL_PROXY_CONFIGURATION);
// Do not use this proxy server for all protocols.
Services.prefs.setBoolPref("network.proxy.share_proxy_settings", false);
Services.prefs.setCharPref("network.proxy.http", network.httpProxyHost);
Services.prefs.setCharPref("network.proxy.ssl", network.httpProxyHost);
let port = network.httpProxyPort === 0 ? 8080 : network.httpProxyPort;
Services.prefs.setIntPref("network.proxy.http_port", port);
Services.prefs.setIntPref("network.proxy.ssl_port", port);
} catch(ex) {
if(DEBUG) debug("Exception " + ex + ". Unable to set proxy setting for " +
network.name + " network interface.");
}
},
// Enable/Disable DHCP server.
setDhcpServer: function setDhcpServer(enabled, config, callback) {
if (null === config) {
config = {};
}
config.cmd = "setDhcpServer";
config.isAsync = true;
config.enabled = enabled;
this.controlMessage(config, function setDhcpServerResult(response) {
if (!response.success) {
callback.dhcpServerResult('Set DHCP server error');
return;
}
callback.dhcpServerResult(null);
});
},
// Enable/disable WiFi tethering by sending commands to netd.
setWifiTethering: function setWifiTethering(enable, config, callback) {
// config should've already contained:
// .ifname
// .internalIfname
// .externalIfname
config.wifictrlinterfacename = WIFI_CTRL_INTERFACE;
config.cmd = "setWifiTethering";
// The callback function in controlMessage may not be fired immediately.
config.isAsync = true;
this.controlMessage(config, function setWifiTetheringResult(data) {
let code = data.resultCode;
let reason = data.resultReason;
let enable = data.enable;
let enableString = enable ? "Enable" : "Disable";
if(DEBUG) debug(enableString + " Wifi tethering result: Code " + code + " reason " + reason);
if (isError(code)) {
callback.wifiTetheringEnabledChange("netd command error");
} else {
callback.wifiTetheringEnabledChange(null);
}
});
},
// Enable/disable USB tethering by sending commands to netd.
setUSBTethering: function setUSBTethering(enable, config, callback) {
config.cmd = "setUSBTethering";
// The callback function in controlMessage may not be fired immediately.
config.isAsync = true;
this.controlMessage(config, function setUsbTetheringResult(data) {
let code = data.resultCode;
let reason = data.resultReason;
let enable = data.enable;
let enableString = enable ? "Enable" : "Disable";
if(DEBUG) debug(enableString + " USB tethering result: Code " + code + " reason " + reason);
if (isError(code)) {
callback.usbTetheringEnabledChange("netd command error");
} else {
callback.usbTetheringEnabledChange(null);
}
});
},
// Switch usb function by modifying property of persist.sys.usb.config.
enableUsbRndis: function enableUsbRndis(enable, callback) {
if(DEBUG) debug("enableUsbRndis: " + enable);
let params = {
cmd: "enableUsbRndis",
enable: enable
};
// Ask net work to report the result when this value is set to true.
if (callback) {
params.report = true;
} else {
params.report = false;
}
// The callback function in controlMessage may not be fired immediately.
params.isAsync = true;
//this._usbTetheringAction = TETHERING_STATE_ONGOING;
this.controlMessage(params, function (data) {
callback.enableUsbRndisResult(data.result, data.enable);
});
},
updateUpStream: function updateUpStream(previous, current, callback) {
let params = {
cmd: "updateUpStream",
isAsync: true,
previous: previous,
current: current
};
this.controlMessage(params, function (data) {
let code = data.resultCode;
let reason = data.resultReason;
if(DEBUG) debug("updateUpStream result: Code " + code + " reason " + reason);
callback.updateUpStreamResult(!isError(code), data.current.externalIfname);
});
},
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([NetworkService]);