1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/b2g/simulator/lib/simulator-process.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,193 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.7 + */
1.8 +
1.9 +'use strict';
1.10 +
1.11 +const { Cc, Ci, Cu, ChromeWorker } = require("chrome");
1.12 +
1.13 +Cu.import("resource://gre/modules/Services.jsm");
1.14 +
1.15 +const { EventTarget } = require("sdk/event/target");
1.16 +const { emit, off } = require("sdk/event/core");
1.17 +const { Class } = require("sdk/core/heritage");
1.18 +const Environment = require("sdk/system/environment").env;
1.19 +const Runtime = require("sdk/system/runtime");
1.20 +const Self = require("sdk/self");
1.21 +const URL = require("sdk/url");
1.22 +const Subprocess = require("subprocess");
1.23 +const { Promise: promise } = Cu.import("resource://gre/modules/Promise.jsm", {});
1.24 +const Prefs = require("sdk/simple-prefs").prefs;
1.25 +
1.26 +const { rootURI: ROOT_URI } = require('@loader/options');
1.27 +const PROFILE_URL = ROOT_URI + "profile/";
1.28 +const BIN_URL = ROOT_URI + "b2g/";
1.29 +
1.30 +// Log subprocess error and debug messages to the console. This logs messages
1.31 +// for all consumers of the API. We trim the messages because they sometimes
1.32 +// have trailing newlines. And note that registerLogHandler actually registers
1.33 +// an error handler, despite its name.
1.34 +Subprocess.registerLogHandler(
1.35 + function(s) console.error("subprocess: " + s.trim())
1.36 +);
1.37 +Subprocess.registerDebugHandler(
1.38 + function(s) console.debug("subprocess: " + s.trim())
1.39 +);
1.40 +
1.41 +exports.SimulatorProcess = Class({
1.42 + extends: EventTarget,
1.43 + initialize: function initialize(options) {
1.44 + EventTarget.prototype.initialize.call(this, options);
1.45 +
1.46 + this.on("stdout", function onStdout(data) console.log(data.trim()));
1.47 + this.on("stderr", function onStderr(data) console.error(data.trim()));
1.48 + },
1.49 +
1.50 + // check if b2g is running
1.51 + get isRunning() !!this.process,
1.52 +
1.53 + /**
1.54 + * Start the process and connect the debugger client.
1.55 + */
1.56 + run: function() {
1.57 + // kill before start if already running
1.58 + if (this.process != null) {
1.59 + this.process
1.60 + .kill()
1.61 + .then(this.run.bind(this));
1.62 + return;
1.63 + }
1.64 +
1.65 + // resolve b2g binaries path (raise exception if not found)
1.66 + let b2gExecutable = this.b2gExecutable;
1.67 +
1.68 + this.once("stdout", function () {
1.69 + if (Runtime.OS == "Darwin") {
1.70 + console.debug("WORKAROUND run osascript to show b2g-desktop window"+
1.71 + " on Runtime.OS=='Darwin'");
1.72 + // Escape double quotes and escape characters for use in AppleScript.
1.73 + let path = b2gExecutable.path
1.74 + .replace(/\\/g, "\\\\").replace(/\"/g, '\\"');
1.75 +
1.76 + Subprocess.call({
1.77 + command: "/usr/bin/osascript",
1.78 + arguments: ["-e", 'tell application "' + path + '" to activate'],
1.79 + });
1.80 + }
1.81 + });
1.82 +
1.83 + let environment;
1.84 + if (Runtime.OS == "Linux") {
1.85 + environment = ["TMPDIR=" + Services.dirsvc.get("TmpD",Ci.nsIFile).path];
1.86 + if ("DISPLAY" in Environment) {
1.87 + environment.push("DISPLAY=" + Environment.DISPLAY);
1.88 + }
1.89 + }
1.90 +
1.91 + // spawn a b2g instance
1.92 + this.process = Subprocess.call({
1.93 + command: b2gExecutable,
1.94 + arguments: this.b2gArguments,
1.95 + environment: environment,
1.96 +
1.97 + // emit stdout event
1.98 + stdout: (function(data) {
1.99 + emit(this, "stdout", data);
1.100 + }).bind(this),
1.101 +
1.102 + // emit stderr event
1.103 + stderr: (function(data) {
1.104 + emit(this, "stderr", data);
1.105 + }).bind(this),
1.106 +
1.107 + // on b2g instance exit, reset tracked process, remoteDebuggerPort and
1.108 + // shuttingDown flag, then finally emit an exit event
1.109 + done: (function(result) {
1.110 + console.log(this.b2gFilename + " terminated with " + result.exitCode);
1.111 + this.process = null;
1.112 + emit(this, "exit", result.exitCode);
1.113 + }).bind(this)
1.114 + });
1.115 + },
1.116 +
1.117 + // request a b2g instance kill
1.118 + kill: function() {
1.119 + let deferred = promise.defer();
1.120 + if (this.process) {
1.121 + this.once("exit", (exitCode) => {
1.122 + this.shuttingDown = false;
1.123 + deferred.resolve(exitCode);
1.124 + });
1.125 + if (!this.shuttingDown) {
1.126 + this.shuttingDown = true;
1.127 + emit(this, "kill", null);
1.128 + this.process.kill();
1.129 + }
1.130 + return deferred.promise;
1.131 + } else {
1.132 + return promise.resolve(undefined);
1.133 + }
1.134 + },
1.135 +
1.136 + // compute current b2g filename
1.137 + get b2gFilename() {
1.138 + return this._executable ? this._executableFilename : "B2G";
1.139 + },
1.140 +
1.141 + // compute current b2g file handle
1.142 + get b2gExecutable() {
1.143 + if (this._executable) {
1.144 + return this._executable;
1.145 + }
1.146 +
1.147 + if (Prefs.customRuntime) {
1.148 + this._executable = Prefs.customRuntime;
1.149 + this._executableFilename = "Custom runtime";
1.150 + return this._executable;
1.151 + }
1.152 +
1.153 + let bin = URL.toFilename(BIN_URL);
1.154 + let executables = {
1.155 + WINNT: "b2g-bin.exe",
1.156 + Darwin: "B2G.app/Contents/MacOS/b2g-bin",
1.157 + Linux: "b2g-bin",
1.158 + };
1.159 +
1.160 + let path = bin;
1.161 + path += Runtime.OS == "WINNT" ? "\\" : "/";
1.162 + path += executables[Runtime.OS];
1.163 + console.log("simulator path: " + path);
1.164 +
1.165 + let executable = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
1.166 + executable.initWithPath(path);
1.167 +
1.168 + if (!executable.exists()) {
1.169 + // B2G binaries not found
1.170 + throw Error("b2g-desktop Executable not found.");
1.171 + }
1.172 +
1.173 + this._executable = executable;
1.174 + this._executableFilename = "b2g-bin";
1.175 +
1.176 + return executable;
1.177 + },
1.178 +
1.179 + // compute b2g CLI arguments
1.180 + get b2gArguments() {
1.181 + let args = [];
1.182 +
1.183 + let profile = Prefs.gaiaProfile || URL.toFilename(PROFILE_URL);
1.184 + args.push("-profile", profile);
1.185 + console.log("profile", profile);
1.186 +
1.187 + // NOTE: push dbgport option on the b2g-desktop commandline
1.188 + args.push("-start-debugger-server", "" + this.remoteDebuggerPort);
1.189 +
1.190 + // Ignore eventual zombie instances of b2g that are left over
1.191 + args.push("-no-remote");
1.192 +
1.193 + return args;
1.194 + },
1.195 +});
1.196 +
