addon-sdk/source/lib/node/os.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/addon-sdk/source/lib/node/os.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,76 @@
     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 +'use strict';
     1.9 +
    1.10 +module.metadata = {
    1.11 +  "stability": "unstable"
    1.12 +};
    1.13 +
    1.14 +const { Cc, Ci } = require('chrome');
    1.15 +const system = require('../sdk/system');
    1.16 +const runtime = require('../sdk/system/runtime');
    1.17 +const oscpu = Cc["@mozilla.org/network/protocol;1?name=http"]
    1.18 +                 .getService(Ci.nsIHttpProtocolHandler).oscpu;
    1.19 +const hostname = Cc["@mozilla.org/network/dns-service;1"]
    1.20 +                 .getService(Ci.nsIDNSService).myHostName;
    1.21 +const isWindows = system.platform === 'win32';
    1.22 +const endianness = ((new Uint32Array((new Uint8Array([1,2,3,4])).buffer))[0] === 0x04030201) ? 'LE' : 'BE';
    1.23 +
    1.24 +/**
    1.25 + * Returns a path to a temp directory
    1.26 + */
    1.27 +exports.tmpdir = () => system.pathFor('TmpD');
    1.28 +
    1.29 +/**
    1.30 + * Returns the endianness of the architecture: either 'LE' or 'BE'
    1.31 + */
    1.32 +exports.endianness = () => endianness;
    1.33 +
    1.34 +/**
    1.35 + * Returns hostname of the machine
    1.36 + */
    1.37 +exports.hostname = () => hostname;
    1.38 +
    1.39 +/**
    1.40 + * Name of the OS type
    1.41 + * Possible values:
    1.42 + * https://developer.mozilla.org/en/OS_TARGET
    1.43 + */
    1.44 +exports.type = () => runtime.OS;
    1.45 +
    1.46 +/**
    1.47 + * Name of the OS Platform in lower case string.
    1.48 + * Possible values:
    1.49 + * https://developer.mozilla.org/en/OS_TARGET
    1.50 + */
    1.51 +exports.platform = () => system.platform;
    1.52 +
    1.53 +/**
    1.54 + * Type of processor architecture running:
    1.55 + * 'arm', 'ia32', 'x86', 'x64'
    1.56 + */
    1.57 +exports.arch = () => system.architecture;
    1.58 +
    1.59 +/**
    1.60 + * Returns the operating system release.
    1.61 + */
    1.62 +exports.release = () => {
    1.63 +  let match = oscpu.match(/(\d[\.\d]*)/);
    1.64 +  return match && match.length > 1 ? match[1] : oscpu;
    1.65 +};
    1.66 +
    1.67 +/**
    1.68 + * Returns EOL character for the OS
    1.69 + */
    1.70 +exports.EOL = isWindows ? '\r\n' : '\n';
    1.71 +
    1.72 +/**
    1.73 + * Returns [0, 0, 0], as this is not implemented.
    1.74 + */
    1.75 +exports.loadavg = () => [0, 0, 0];
    1.76 +
    1.77 +['uptime', 'totalmem', 'freemem', 'cpus'].forEach(method => {
    1.78 +  exports[method] = () => { throw new Error('os.' + method + ' is not supported.'); };
    1.79 +});

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