mirror of
https://github.com/Ylianst/MeshAgent
synced 2025-12-06 00:13:33 +00:00
344 lines
12 KiB
JavaScript
344 lines
12 KiB
JavaScript
/*
|
|
Copyright 2019-2021 Intel Corporation
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
|
|
//
|
|
// sysinfo is a helper module used to query various system metrics in a platform agnostic fashion
|
|
//
|
|
|
|
|
|
var PDH_FMT_LONG = 0x00000100;
|
|
var PDH_FMT_DOUBLE = 0x00000200;
|
|
|
|
var promise = require('promise');
|
|
if (process.platform == 'win32')
|
|
{
|
|
var GM = require('_GenericMarshal');
|
|
GM.kernel32 = GM.CreateNativeProxy('kernel32.dll');
|
|
GM.kernel32.CreateMethod('GlobalMemoryStatusEx'); // https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-globalmemorystatusex
|
|
|
|
GM.pdh = GM.CreateNativeProxy('pdh.dll');
|
|
GM.pdh.CreateMethod('PdhAddEnglishCounterA'); // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhaddenglishcountera
|
|
GM.pdh.CreateMethod('PdhCloseQuery'); // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhclosequery
|
|
GM.pdh.CreateMethod('PdhCollectQueryData'); // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhcollectquerydata
|
|
GM.pdh.CreateMethod('PdhGetFormattedCounterValue'); // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhgetformattedcountervalue
|
|
GM.pdh.CreateMethod('PdhGetFormattedCounterArrayA'); // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhgetformattedcounterarraya
|
|
GM.pdh.CreateMethod('PdhOpenQueryA'); // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhopenquerya
|
|
GM.pdh.CreateMethod('PdhRemoveCounter'); // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhremovecounter
|
|
}
|
|
|
|
//
|
|
// Windows Implementation for fetching CPU utilization
|
|
//
|
|
function windows_cpuUtilization()
|
|
{
|
|
var p = new promise(function (res, rej) { this._res = res; this._rej = rej; });
|
|
p.counter = GM.CreateVariable(16);
|
|
p.cpu = GM.CreatePointer();
|
|
p.cpuTotal = GM.CreatePointer();
|
|
var err = 0;
|
|
if ((err = GM.pdh.PdhOpenQueryA(0, 0, p.cpu).Val) != 0) { p._rej(err); return; }
|
|
|
|
// This gets the CPU Utilization for each proc
|
|
if ((err = GM.pdh.PdhAddEnglishCounterA(p.cpu.Deref(), GM.CreateVariable('\\Processor(*)\\% Processor Time'), 0, p.cpuTotal).Val) != 0) { p._rej(err); return; }
|
|
|
|
if ((err = GM.pdh.PdhCollectQueryData(p.cpu.Deref()).Val != 0)) { p._rej(err); return; }
|
|
p._timeout = setTimeout(function (po)
|
|
{
|
|
// Query in 100ms
|
|
|
|
var u = { cpus: [] };
|
|
var bufSize = GM.CreateVariable(4);
|
|
var itemCount = GM.CreateVariable(4);
|
|
var buffer, szName, item;
|
|
var e;
|
|
if ((e = GM.pdh.PdhCollectQueryData(po.cpu.Deref()).Val != 0)) { po._rej(e); return; /* Reject Promise if this fails */ }
|
|
|
|
if ((e = GM.pdh.PdhGetFormattedCounterArrayA(po.cpuTotal.Deref(), PDH_FMT_DOUBLE, bufSize, itemCount, 0).Val) == -2147481646)
|
|
{
|
|
buffer = GM.CreateVariable(bufSize.toBuffer().readUInt32LE());
|
|
}
|
|
else
|
|
{
|
|
// Reject Promise if this failed
|
|
po._rej(e);
|
|
return;
|
|
}
|
|
if ((e = GM.pdh.PdhGetFormattedCounterArrayA(po.cpuTotal.Deref(), PDH_FMT_DOUBLE, bufSize, itemCount, buffer).Val) != 0) { po._rej(e); return; /* reject promise on failuer */ }
|
|
for(var i=0;i<itemCount.toBuffer().readUInt32LE();++i) // Enumerate the counter array
|
|
{
|
|
item = buffer.Deref(i * 24, 24);
|
|
szName = item.Deref(0, GM.PointerSize).Deref();
|
|
if (szName.String == '_Total')
|
|
{
|
|
u.total = item.Deref(16, 8).toBuffer().readDoubleLE(); // Add Value for TOTAL
|
|
}
|
|
else
|
|
{
|
|
u.cpus[parseInt(szName.String)] = item.Deref(16, 8).toBuffer().readDoubleLE(); // Add Value for CPU index
|
|
}
|
|
}
|
|
|
|
GM.pdh.PdhRemoveCounter(po.cpuTotal.Deref());
|
|
GM.pdh.PdhCloseQuery(po.cpu.Deref());
|
|
p._res(u);
|
|
}, 100, p);
|
|
|
|
return (p);
|
|
}
|
|
|
|
//
|
|
// Windows Implementation to fetch memory utilization
|
|
//
|
|
function windows_memUtilization()
|
|
{
|
|
var info = GM.CreateVariable(64);
|
|
info.Deref(0, 4).toBuffer().writeUInt32LE(64);
|
|
GM.kernel32.GlobalMemoryStatusEx(info); // Fetch the memory Utilization Metrics
|
|
|
|
var ret =
|
|
{
|
|
MemTotal: require('bignum').fromBuffer(info.Deref(8, 8).toBuffer(), { endian: 'little' }), // Convert total to bignum type
|
|
MemFree: require('bignum').fromBuffer(info.Deref(16, 8).toBuffer(), { endian: 'little' }) // Convert free to bignum type
|
|
};
|
|
|
|
// Calculate the remaining metrics, and convert to bignum type
|
|
ret.percentFree = ((ret.MemFree.div(require('bignum')('1048576')).toNumber() / ret.MemTotal.div(require('bignum')('1048576')).toNumber()) * 100);//.toFixed(2);
|
|
ret.percentConsumed = ((ret.MemTotal.sub(ret.MemFree).div(require('bignum')('1048576')).toNumber() / ret.MemTotal.div(require('bignum')('1048576')).toNumber()) * 100);//.toFixed(2);
|
|
ret.MemTotal = ret.MemTotal.toString();
|
|
ret.MemFree = ret.MemFree.toString();
|
|
return (ret);
|
|
}
|
|
|
|
var cpuLastIdle = [];
|
|
var cpuLastSum = [];
|
|
|
|
|
|
//
|
|
// Linux Implementation of fetching the CPU Utilization, which uses procfs
|
|
//
|
|
function linux_cpuUtilization() {
|
|
var ret = { cpus: [] };
|
|
var info = require('fs').readFileSync('/proc/stat'); // fetch metrics from procfs
|
|
var lines = info.toString().split('\n');
|
|
var columns;
|
|
var x, y;
|
|
var cpuNo = 0;
|
|
var currSum, currIdle, utilization;
|
|
for (var i in lines) {
|
|
columns = lines[i].split(' ');
|
|
if (!columns[0].startsWith('cpu')) { break; }
|
|
|
|
// Parse out the utilization metrics, calulcating the values if necessary
|
|
x = 0, currSum = 0;
|
|
while (columns[++x] == '');
|
|
for (y = x; y < columns.length; ++y) { currSum += parseInt(columns[y]); }
|
|
currIdle = parseInt(columns[3 + x]);
|
|
|
|
var diffIdle = currIdle - cpuLastIdle[cpuNo];
|
|
var diffSum = currSum - cpuLastSum[cpuNo];
|
|
|
|
utilization = (100 - ((diffIdle / diffSum) * 100));
|
|
|
|
cpuLastSum[cpuNo] = currSum;
|
|
cpuLastIdle[cpuNo] = currIdle;
|
|
|
|
if (!ret.total) {
|
|
ret.total = utilization;
|
|
} else {
|
|
ret.cpus.push(utilization);
|
|
}
|
|
++cpuNo;
|
|
}
|
|
|
|
var p = new promise(function (res, rej) { this._res = res; this._rej = rej; });
|
|
p._res(ret);
|
|
return (p);
|
|
}
|
|
|
|
//
|
|
// Linux implementation of memory utilization, using procfs
|
|
//
|
|
function linux_memUtilization()
|
|
{
|
|
var ret = {};
|
|
|
|
var info = require('fs').readFileSync('/proc/meminfo').toString().split('\n');
|
|
var tokens;
|
|
for(var i in info)
|
|
{
|
|
tokens = info[i].split(' ');
|
|
switch(tokens[0])
|
|
{
|
|
case 'MemTotal:':
|
|
ret.total = parseInt(tokens[tokens.length - 2]);
|
|
break;
|
|
case 'MemFree:':
|
|
ret.free = parseInt(tokens[tokens.length - 2]);
|
|
break;
|
|
}
|
|
}
|
|
ret.percentFree = ((ret.free / ret.total) * 100);//.toFixed(2);
|
|
ret.percentConsumed = (((ret.total - ret.free) / ret.total) * 100);//.toFixed(2);
|
|
return (ret);
|
|
}
|
|
|
|
//
|
|
// macOS CPU Utilization, where we just use system utility 'top'
|
|
//
|
|
function macos_cpuUtilization()
|
|
{
|
|
var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
|
|
var child = require('child_process').execFile('/bin/sh', ['sh']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.stdin.write('top -l 1 | grep -E "^CPU"\nexit\n');
|
|
child.waitExit();
|
|
|
|
var lines = child.stdout.str.split('\n');
|
|
if (lines[0].length > 0)
|
|
{
|
|
var usage = lines[0].split(':')[1];
|
|
var bdown = usage.split(',');
|
|
|
|
var tot = parseFloat(bdown[0].split('%')[0].trim()) + parseFloat(bdown[1].split('%')[0].trim());
|
|
ret._res({total: tot, cpus: []});
|
|
}
|
|
else
|
|
{
|
|
ret._rej('parse error');
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
//
|
|
// macOS Memory Utilization, using system utility 'top'
|
|
//
|
|
function macos_memUtilization()
|
|
{
|
|
var mem = { };
|
|
var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
|
|
var child = require('child_process').execFile('/bin/sh', ['sh']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.stdin.write('top -l 1 | grep -E "^Phys"\nexit\n');
|
|
child.waitExit();
|
|
|
|
var lines = child.stdout.str.split('\n');
|
|
if (lines[0].length > 0)
|
|
{
|
|
var usage = lines[0].split(':')[1];
|
|
var bdown = usage.split(',');
|
|
|
|
mem.MemTotal = parseInt(bdown[0].trim().split(' ')[0]);
|
|
mem.MemFree = parseInt(bdown[1].trim().split(' ')[0]);
|
|
mem.percentFree = ((mem.MemFree / mem.MemTotal) * 100);//.toFixed(2);
|
|
mem.percentConsumed = (((mem.MemTotal - mem.MemFree) / mem.MemTotal) * 100);//.toFixed(2);
|
|
return (mem);
|
|
}
|
|
else
|
|
{
|
|
throw ('Parse Error');
|
|
}
|
|
}
|
|
|
|
//
|
|
// Windows Implementation of fetching system thermals, using WMI and system utility 'wmic'
|
|
//
|
|
function windows_thermals()
|
|
{
|
|
var ret = [];
|
|
child = require('child_process').execFile(process.env['windir'] + '\\System32\\wbem\\wmic.exe', ['wmic', '/namespace:\\\\root\\wmi', 'PATH', 'MSAcpi_ThermalZoneTemperature', 'get', 'CurrentTemperature']);
|
|
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
|
|
child.stderr.str = ''; child.stderr.on('data', function (c) { this.str += c.toString(); });
|
|
child.waitExit();
|
|
|
|
if(child.stdout.str.trim!='')
|
|
{
|
|
var lines = child.stdout.str.trim().split('\r\n');
|
|
for (var i = 1; i < lines.length; ++i)
|
|
{
|
|
if (lines[i].trim() != '') { ret.push(((parseFloat(lines[i]) / 10) - 273.15).toFixed(2)); }
|
|
}
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
//
|
|
// Linux Implementation of fetching system thermals, from the filesystem
|
|
//
|
|
function linux_thermals()
|
|
{
|
|
child = require('child_process').execFile('/bin/sh', ['sh']);
|
|
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
|
|
child.stderr.str = ''; child.stderr.on('data', function (c) { this.str += c.toString(); });
|
|
child.stdin.write("cat /sys/class/thermal/thermal_zone*/temp | awk '{ print $0 / 1000 }'\nexit\n");
|
|
child.waitExit();
|
|
var ret = child.stdout.str.trim().split('\n');
|
|
if (ret.length == 1 && ret[0] == '') { ret = []; }
|
|
return (ret);
|
|
}
|
|
|
|
//
|
|
// macOS Implementation of fetching system thermals, using system utility 'powermetrics'
|
|
//
|
|
function macos_thermals()
|
|
{
|
|
var ret = [];
|
|
var child = require('child_process').execFile('/bin/sh', ['sh']);
|
|
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
|
|
child.stderr.on('data', function () { });
|
|
child.stdin.write('powermetrics --help | grep SMC\nexit\n');
|
|
child.waitExit();
|
|
|
|
if (child.stdout.str.trim() != '')
|
|
{
|
|
child = require('child_process').execFile('/bin/sh', ['sh']);
|
|
child.stdout.str = ''; child.stdout.on('data', function (c)
|
|
{
|
|
this.str += c.toString();
|
|
var tokens = this.str.trim().split('\n');
|
|
for (var i in tokens)
|
|
{
|
|
if (tokens[i].split(' die temperature: ').length > 1)
|
|
{
|
|
ret.push(tokens[i].split(' ')[3]);
|
|
this.parent.kill();
|
|
}
|
|
}
|
|
});
|
|
child.stderr.str = ''; child.stderr.on('data', function (c) { this.str += c.toString(); });
|
|
child.stdin.write('powermetrics -s smc\n');
|
|
child.waitExit(5000);
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
switch(process.platform)
|
|
{
|
|
case 'linux':
|
|
module.exports = { cpuUtilization: linux_cpuUtilization, memUtilization: linux_memUtilization, thermals: linux_thermals };
|
|
break;
|
|
case 'win32':
|
|
module.exports = { cpuUtilization: windows_cpuUtilization, memUtilization: windows_memUtilization, thermals: windows_thermals };
|
|
break;
|
|
case 'darwin':
|
|
module.exports = { cpuUtilization: macos_cpuUtilization, memUtilization: macos_memUtilization, thermals: macos_thermals };
|
|
break;
|
|
}
|
|
|