gecko-dev/testing/marionette/server.js

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4.8 KiB
JavaScript
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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";
const {Constructor: CC, classes: Cc, interfaces: Ci, utils: Cu} = Components;
const loader = Cc["@mozilla.org/moz/jssubscript-loader;1"].getService(Ci.mozIJSSubScriptLoader);
const ServerSocket = CC("@mozilla.org/network/server-socket;1", "nsIServerSocket", "initSpecialConnection");
Cu.import("resource://gre/modules/Log.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("chrome://marionette/content/dispatcher.js");
Cu.import("chrome://marionette/content/driver.js");
Cu.import("chrome://marionette/content/elements.js");
Cu.import("chrome://marionette/content/simpletest.js");
// Bug 1083711: Load transport.js as an SDK module instead of subscript
loader.loadSubScript("resource://gre/modules/devtools/transport/transport.js");
// Preserve this import order:
let events = {};
loader.loadSubScript("chrome://marionette/content/EventUtils.js", events);
loader.loadSubScript("chrome://marionette/content/ChromeUtils.js", events);
loader.loadSubScript("chrome://marionette/content/frame-manager.js");
const logger = Log.repository.getLogger("Marionette");
this.EXPORTED_SYMBOLS = ["MarionetteServer"];
const CONTENT_LISTENER_PREF = "marionette.contentListener";
/**
* Bootstraps Marionette and handles incoming client connections.
*
* Once started, it opens a TCP socket sporting the debugger transport
* protocol on the provided port. For every new client a Dispatcher is
* created.
*
* @param {number} port
* Port for server to listen to.
* @param {boolean} forceLocal
* Listen only to connections from loopback if true. If false,
* accept all connections.
*/
this.MarionetteServer = function(port, forceLocal) {
this.port = port;
this.forceLocal = forceLocal;
this.conns = {};
this.nextConnId = 0;
this.alive = false;
};
/**
* Function that takes an Emulator and produces a GeckoDriver.
*
* Determines application name and device type to initialise the driver
* with. Also bypasses offline status if the device is a qemu or panda
* type device.
*
* @return {GeckoDriver}
* A driver instance.
*/
MarionetteServer.prototype.driverFactory = function(emulator) {
let appName = isMulet() ? "B2G" : Services.appinfo.name;
let qemu = "0";
let device = null;
let bypassOffline = false;
try {
Cu.import("resource://gre/modules/systemlibs.js");
qemu = libcutils.property_get("ro.kernel.qemu");
logger.debug("B2G emulator: " + (qemu == "1" ? "yes" : "no"));
device = libcutils.property_get("ro.product.device");
logger.debug("Device detected is " + device);
bypassOffline = (qemu == "1" || device == "panda");
} catch (e) {}
if (qemu == "1") {
device = "qemu";
}
if (!device) {
device = "desktop";
}
Services.prefs.setBoolPref(CONTENT_LISTENER_PREF, false);
if (bypassOffline) {
logger.debug("Bypassing offline status");
Services.prefs.setBoolPref("network.gonk.manage-offline-status", false);
Services.io.manageOfflineStatus = false;
Services.io.offline = false;
}
return new GeckoDriver(appName, device, emulator);
};
MarionetteServer.prototype.start = function() {
if (this.alive) {
return;
}
let flags = Ci.nsIServerSocket.KeepWhenOffline;
if (this.forceLocal) {
flags |= Ci.nsIServerSocket.LoopbackOnly;
}
this.listener = new ServerSocket(this.port, flags, 0);
this.listener.asyncListen(this);
this.alive = true;
};
MarionetteServer.prototype.stop = function() {
if (!this.alive) {
return;
}
this.closeListener();
this.alive = false;
};
MarionetteServer.prototype.closeListener = function() {
this.listener.close();
this.listener = null;
};
MarionetteServer.prototype.onSocketAccepted = function(
serverSocket, clientSocket) {
let input = clientSocket.openInputStream(0, 0, 0);
let output = clientSocket.openOutputStream(0, 0, 0);
let transport = new DebuggerTransport(input, output);
let connId = "conn" + this.nextConnId++;
let stopSignal = () => this.stop();
let dispatcher = new Dispatcher(connId, transport, this.driverFactory, stopSignal);
dispatcher.onclose = this.onConnectionClosed.bind(this);
this.conns[connId] = dispatcher;
logger.info(`Accepted connection ${connId} from ${clientSocket.host}:${clientSocket.port}`);
// Create a root actor for the connection and send the hello packet
dispatcher.sayHello();
transport.ready();
};
MarionetteServer.prototype.onConnectionClosed = function(conn) {
let id = conn.id;
delete this.conns[id];
logger.info(`Closed connection ${id}`);
};
function isMulet() {
try {
return Services.prefs.getBoolPref("b2g.is_mulet");
} catch (e) {
return false;
}
}