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nodejs/lib/os.js
XadillaX f6caeb9526
os: make EOL configurable and read only
PR-URL: https://github.com/nodejs/node/pull/14622
Fixes: https://github.com/nodejs/node/issues/14619
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2017-08-21 00:23:24 -04:00

178 lines
4.9 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const pushValToArrayMax = process.binding('util').pushValToArrayMax;
const constants = process.binding('constants').os;
const deprecate = require('internal/util').deprecate;
const getCIDRSuffix = require('internal/os').getCIDRSuffix;
const isWindows = process.platform === 'win32';
const {
getCPUs,
getFreeMem,
getHomeDirectory,
getHostname,
getInterfaceAddresses,
getLoadAvg,
getOSRelease,
getOSType,
getTotalMem,
getUserInfo,
getUptime,
isBigEndian
} = process.binding('os');
getFreeMem[Symbol.toPrimitive] = () => getFreeMem();
getHostname[Symbol.toPrimitive] = () => getHostname();
getHomeDirectory[Symbol.toPrimitive] = () => getHomeDirectory();
getOSRelease[Symbol.toPrimitive] = () => getOSRelease();
getOSType[Symbol.toPrimitive] = () => getOSType();
getTotalMem[Symbol.toPrimitive] = () => getTotalMem();
getUptime[Symbol.toPrimitive] = () => getUptime();
const kEndianness = isBigEndian ? 'BE' : 'LE';
const tmpDirDeprecationMsg =
'os.tmpDir() is deprecated. Use os.tmpdir() instead.';
const getNetworkInterfacesDepMsg =
'os.getNetworkInterfaces is deprecated. Use os.networkInterfaces instead.';
const avgValues = new Float64Array(3);
const cpuValues = new Float64Array(6 * pushValToArrayMax);
function loadavg() {
getLoadAvg(avgValues);
return [avgValues[0], avgValues[1], avgValues[2]];
}
function addCPUInfo() {
for (var i = 0, c = 0; i < arguments.length; ++i, c += 6) {
this[this.length] = {
model: arguments[i],
speed: cpuValues[c],
times: {
user: cpuValues[c + 1],
nice: cpuValues[c + 2],
sys: cpuValues[c + 3],
idle: cpuValues[c + 4],
irq: cpuValues[c + 5]
}
};
}
}
function cpus() {
return getCPUs(addCPUInfo, cpuValues, []);
}
function arch() {
return process.arch;
}
arch[Symbol.toPrimitive] = () => process.arch;
function platform() {
return process.platform;
}
platform[Symbol.toPrimitive] = () => process.platform;
function tmpdir() {
var path;
if (isWindows) {
path = process.env.TEMP ||
process.env.TMP ||
(process.env.SystemRoot || process.env.windir) + '\\temp';
if (path.length > 1 && path.endsWith('\\') && !path.endsWith(':\\'))
path = path.slice(0, -1);
} else {
path = process.env.TMPDIR ||
process.env.TMP ||
process.env.TEMP ||
'/tmp';
if (path.length > 1 && path.endsWith('/'))
path = path.slice(0, -1);
}
return path;
}
tmpdir[Symbol.toPrimitive] = () => tmpdir();
function endianness() {
return kEndianness;
}
endianness[Symbol.toPrimitive] = () => kEndianness;
function networkInterfaces() {
const interfaceAddresses = getInterfaceAddresses();
return Object.entries(interfaceAddresses).reduce((acc, [key, val]) => {
acc[key] = val.map((v) => {
const protocol = v.family.toLowerCase();
const suffix = getCIDRSuffix(v.netmask, protocol);
const cidr = suffix ? `${v.address}/${suffix}` : null;
return Object.assign({}, v, { cidr });
});
return acc;
}, {});
}
module.exports = exports = {
arch,
cpus,
endianness,
freemem: getFreeMem,
homedir: getHomeDirectory,
hostname: getHostname,
loadavg,
networkInterfaces,
platform,
release: getOSRelease,
tmpdir,
totalmem: getTotalMem,
type: getOSType,
userInfo: getUserInfo,
uptime: getUptime,
// Deprecated APIs
getNetworkInterfaces: deprecate(getInterfaceAddresses,
getNetworkInterfacesDepMsg,
'DEP0023'),
tmpDir: deprecate(tmpdir, tmpDirDeprecationMsg, 'DEP0022')
};
Object.defineProperties(module.exports, {
constants: {
configurable: false,
enumerable: true,
value: constants
},
EOL: {
configurable: true,
enumerable: true,
writable: false,
value: isWindows ? '\r\n' : '\n'
}
});