788 lines
28 KiB
JavaScript
788 lines
28 KiB
JavaScript
'use strict';
|
|
// ==================================================================================
|
|
// processes.js
|
|
// ----------------------------------------------------------------------------------
|
|
// Description: System Information - library
|
|
// for Node.js
|
|
// Copyright: (c) 2014 - 2018
|
|
// Author: Sebastian Hildebrandt
|
|
// ----------------------------------------------------------------------------------
|
|
// License: MIT
|
|
// ==================================================================================
|
|
// 10. Processes
|
|
// ----------------------------------------------------------------------------------
|
|
|
|
const os = require('os');
|
|
const exec = require('child_process').exec;
|
|
const util = require('./util');
|
|
|
|
let _platform = process.platform;
|
|
|
|
const _linux = (_platform === 'linux');
|
|
const _darwin = (_platform === 'darwin');
|
|
const _windows = (_platform === 'win32');
|
|
const _freebsd = (_platform === 'freebsd');
|
|
const _openbsd = (_platform === 'openbsd');
|
|
const _sunos = (_platform === 'sunos');
|
|
|
|
const NOT_SUPPORTED = 'not supported';
|
|
|
|
let _process_cpu = {
|
|
all: 0,
|
|
list: {},
|
|
ms: 0,
|
|
result: {}
|
|
};
|
|
|
|
let _winStatusValues = {
|
|
'0': 'unknown',
|
|
'1': 'other',
|
|
'2': 'ready',
|
|
'3': 'running',
|
|
'4': 'blocked',
|
|
'5': 'suspended blocked',
|
|
'6': 'suspended ready',
|
|
'7': 'terminated',
|
|
'8': 'stopped',
|
|
'9': 'growing',
|
|
};
|
|
|
|
|
|
function parseTimeWin(time) {
|
|
time = time || '';
|
|
if (time) {
|
|
return (time.substr(0, 4) + '-' + time.substr(4, 2) + '-' + time.substr(6, 2) + ' ' + time.substr(8, 2) + ':' + time.substr(10, 2) + ':' + time.substr(12, 2));
|
|
} else {
|
|
return '';
|
|
}
|
|
}
|
|
|
|
function parseTimeUnix(time) {
|
|
let result = time;
|
|
let parts = time.replace(/ +/g, ' ').split(' ');
|
|
if (parts.length === 5) {
|
|
result = parts[4] + '-' + ('0' + ('JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC'.indexOf(parts[1].toUpperCase()) / 3 + 1)).slice(-2) + '-' + ('0' + parts[2]).slice(-2) + ' ' + parts[3];
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// --------------------------
|
|
// PS - services
|
|
// pass a comma separated string with services to check (mysql, apache, postgresql, ...)
|
|
// this function gives an array back, if the services are running.
|
|
|
|
function services(srv, callback) {
|
|
|
|
// fallback - if only callback is given
|
|
if (util.isFunction(srv) && !callback) {
|
|
callback = srv;
|
|
srv = '';
|
|
}
|
|
|
|
return new Promise((resolve) => {
|
|
process.nextTick(() => {
|
|
if (srv) {
|
|
srv = srv.trim().toLowerCase().replace(/,+/g, ' ').replace(/ +/g, ' ').replace(/ +/g, '|');
|
|
let srvs = srv.split('|');
|
|
let data = [];
|
|
let dataSrv = [];
|
|
|
|
if (_linux || _freebsd || _openbsd || _darwin) {
|
|
let comm = (_darwin) ? 'ps -caxo pcpu,pmem,comm' : 'ps -axo pcpu,pmem,comm';
|
|
if (srv !== '' && srvs.length > 0) {
|
|
exec(comm + ' | grep -v grep | egrep "' + srv + '"', { maxBuffer: 1024 * 2000 }, function (error, stdout) {
|
|
if (!error) {
|
|
let lines = stdout.toString().replace(/ +/g, ' ').replace(/,+/g, '.').split('\n');
|
|
srvs.forEach(function (srv) {
|
|
let ps = lines.filter(function (e) {
|
|
return ((e + ' ').toLowerCase().indexOf(' ' + srv + ' ') !== -1) || (e.toLowerCase().indexOf(' ' + srv + ':') !== -1);
|
|
});
|
|
data.push({
|
|
'name': srv,
|
|
'running': ps.length > 0,
|
|
'pcpu': parseFloat((ps.reduce(function (pv, cv) {
|
|
return pv + parseFloat(cv.trim().split(' ')[0]);
|
|
}, 0)).toFixed(2)),
|
|
'pmem': parseFloat((ps.reduce(function (pv, cv) {
|
|
return pv + parseFloat(cv.trim().split(' ')[1]);
|
|
}, 0)).toFixed(2))
|
|
});
|
|
});
|
|
if (callback) { callback(data); }
|
|
resolve(data);
|
|
} else {
|
|
exec('ps -o comm | grep -v grep | egrep "' + srv + '"', { maxBuffer: 1024 * 2000 }, function (error, stdout) {
|
|
if (!error) {
|
|
let lines = stdout.toString().replace(/ +/g, ' ').replace(/,+/g, '.').split('\n');
|
|
srvs.forEach(function (srv) {
|
|
let ps = lines.filter(function (e) {
|
|
return e.indexOf(srv) !== -1;
|
|
});
|
|
data.push({
|
|
'name': srv,
|
|
'running': ps.length > 0,
|
|
'pcpu': 0,
|
|
'pmem': 0
|
|
});
|
|
});
|
|
if (callback) { callback(data); }
|
|
resolve(data);
|
|
} else {
|
|
srvs.forEach(function (srv) {
|
|
data.push({
|
|
'name': srv,
|
|
'running': false,
|
|
'pcpu': 0,
|
|
'pmem': 0
|
|
});
|
|
});
|
|
if (callback) { callback(data); }
|
|
resolve(data);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
} else {
|
|
if (callback) { callback(data); }
|
|
resolve(data);
|
|
}
|
|
}
|
|
if (_windows) {
|
|
try {
|
|
exec(util.getWmic() + ' service get /value', { maxBuffer: 1024 * 1000, windowsHide: true }, function (error, stdout) {
|
|
if (!error) {
|
|
let serviceSections = stdout.split(/\n\s*\n/);
|
|
for (let i = 0; i < serviceSections.length; i++) {
|
|
if (serviceSections[i].trim() !== '') {
|
|
let lines = serviceSections[i].trim().split('\r\n');
|
|
let srv = util.getValue(lines, 'Name', '=', true).toLowerCase();
|
|
let started = util.getValue(lines, 'Started', '=', true);
|
|
if (srvs.indexOf(srv) >= 0) {
|
|
data.push({
|
|
'name': srv,
|
|
'running': (started === 'TRUE'),
|
|
'pcpu': 0,
|
|
'pmem': 0
|
|
});
|
|
dataSrv.push(srv);
|
|
}
|
|
}
|
|
}
|
|
let srvsMissing = srvs.filter(function (e) {
|
|
return dataSrv.indexOf(e) === -1;
|
|
});
|
|
srvsMissing.forEach(function (srv) {
|
|
data.push({
|
|
'name': srv,
|
|
'running': false,
|
|
'pcpu': 0,
|
|
'pmem': 0
|
|
});
|
|
});
|
|
|
|
if (callback) { callback(data); }
|
|
resolve(data);
|
|
} else {
|
|
srvs.forEach(function (srv) {
|
|
data.push({
|
|
'name': srv,
|
|
'running': false,
|
|
'pcpu': 0,
|
|
'pmem': 0
|
|
});
|
|
});
|
|
if (callback) { callback(data); }
|
|
resolve(data);
|
|
}
|
|
});
|
|
} catch (e) {
|
|
if (callback) { callback(data); }
|
|
resolve(data);
|
|
}
|
|
}
|
|
} else {
|
|
if (callback) { callback({}); }
|
|
resolve({});
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
exports.services = services;
|
|
|
|
// --------------------------
|
|
// running processes
|
|
|
|
function processes(callback) {
|
|
|
|
let parsedhead = [];
|
|
|
|
function parseHead(head, rights) {
|
|
let space = (rights > 0);
|
|
let count = 1;
|
|
let from = 0;
|
|
let to = 0;
|
|
let result = [];
|
|
for (let i = 0; i < head.length; i++) {
|
|
if (count <= rights) {
|
|
// if (head[i] === ' ' && !space) {
|
|
if (/\s/.test(head[i]) && !space) {
|
|
to = i - 1;
|
|
result.push({
|
|
from: from,
|
|
to: to + 1,
|
|
cap: head.substring(from, to + 1)
|
|
});
|
|
from = to + 2;
|
|
count++;
|
|
}
|
|
space = head[i] === ' ';
|
|
} else {
|
|
if (!/\s/.test(head[i]) && space) {
|
|
to = i - 1;
|
|
if (from < to) {
|
|
result.push({
|
|
from: from,
|
|
to: to,
|
|
cap: head.substring(from, to)
|
|
});
|
|
}
|
|
from = to + 1;
|
|
count++;
|
|
}
|
|
space = head[i] === ' ';
|
|
}
|
|
}
|
|
to = 1000;
|
|
result.push({
|
|
from: from,
|
|
to: to,
|
|
cap: head.substring(from, to)
|
|
});
|
|
let len = result.length;
|
|
for (var i = 0; i < len; i++) {
|
|
if (result[i].cap.replace(/\s/g, '').length === 0) {
|
|
if (i + 1 < len) {
|
|
result[i].to = result[i + 1].to;
|
|
result[i].cap = result[i].cap + result[i + 1].cap;
|
|
result.splice(i + 1, 1);
|
|
len = len - 1;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function getName(command) {
|
|
command = command || '';
|
|
let result = command.split(' ')[0];
|
|
if (result.substr(-1) === ':') {
|
|
result = result.substr(0, result.length - 1);
|
|
}
|
|
if (result.substr(0, 1) !== '[') {
|
|
let parts = result.split('/');
|
|
if (isNaN(parseInt(parts[parts.length - 1]))) {
|
|
result = parts[parts.length - 1];
|
|
} else {
|
|
result = parts[0];
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function parseLine(line) {
|
|
let offset = 0;
|
|
let offset2 = 0;
|
|
|
|
function checkColumn(i) {
|
|
offset = offset2;
|
|
offset2 = line.substring(parsedhead[i].to + offset, 1000).indexOf(' ');
|
|
}
|
|
|
|
checkColumn(0);
|
|
let pid = parseInt(line.substring(parsedhead[0].from + offset, parsedhead[0].to + offset2));
|
|
checkColumn(1);
|
|
let ppid = parseInt(line.substring(parsedhead[1].from + offset, parsedhead[1].to + offset2));
|
|
checkColumn(2);
|
|
let pcpu = parseFloat(line.substring(parsedhead[2].from + offset, parsedhead[2].to + offset2).replace(/,/g, '.'));
|
|
checkColumn(3);
|
|
let pmem = parseFloat(line.substring(parsedhead[3].from + offset, parsedhead[3].to + offset2).replace(/,/g, '.'));
|
|
checkColumn(4);
|
|
let priority = parseInt(line.substring(parsedhead[4].from + offset, parsedhead[4].to + offset2));
|
|
checkColumn(5);
|
|
let vsz = parseInt(line.substring(parsedhead[5].from + offset, parsedhead[5].to + offset2));
|
|
checkColumn(6);
|
|
let rss = parseInt(line.substring(parsedhead[6].from + offset, parsedhead[6].to + offset2));
|
|
checkColumn(7);
|
|
let nice = parseInt(line.substring(parsedhead[7].from + offset, parsedhead[7].to + offset2)) || 0;
|
|
checkColumn(8);
|
|
let started = parseTimeUnix(line.substring(parsedhead[8].from + offset, parsedhead[8].to + offset2).trim());
|
|
checkColumn(9);
|
|
let state = line.substring(parsedhead[9].from + offset, parsedhead[9].to + offset2).trim();
|
|
state = (state[0] === 'R' ? 'running' : (state[0] === 'S' ? 'sleeping' : (state[0] === 'T' ? 'stopped' : (state[0] === 'W' ? 'paging' : (state[0] === 'X' ? 'dead' : (state[0] === 'Z' ? 'zombie' : ((state[0] === 'D' || state[0] === 'U') ? 'blocked' : 'unknown')))))));
|
|
checkColumn(10);
|
|
let tty = line.substring(parsedhead[10].from + offset, parsedhead[10].to + offset2).trim();
|
|
if (tty === '?' || tty === '??') tty = '';
|
|
checkColumn(11);
|
|
let user = line.substring(parsedhead[11].from + offset, parsedhead[11].to + offset2).trim();
|
|
checkColumn(12);
|
|
let command = line.substring(parsedhead[12].from + offset, parsedhead[12].to + offset2).trim().replace(/\[/g, '').replace(/]/g, '');
|
|
|
|
return ({
|
|
pid: pid,
|
|
parentPid: ppid,
|
|
name: _linux ? getName(command) : command,
|
|
pcpu: pcpu,
|
|
pcpuu: 0,
|
|
pcpus: 0,
|
|
pmem: pmem,
|
|
priority: priority,
|
|
mem_vsz: vsz,
|
|
mem_rss: rss,
|
|
nice: nice,
|
|
started: started,
|
|
state: state,
|
|
tty: tty,
|
|
user: user,
|
|
command: command
|
|
});
|
|
}
|
|
|
|
function parseProcesses(lines) {
|
|
let result = [];
|
|
if (lines.length > 1) {
|
|
let head = lines[0];
|
|
parsedhead = parseHead(head, 8);
|
|
lines.shift();
|
|
lines.forEach(function (line) {
|
|
if (line.trim() !== '') {
|
|
result.push(parseLine(line));
|
|
}
|
|
});
|
|
}
|
|
return result;
|
|
}
|
|
function parseProcesses2(lines) {
|
|
|
|
function formatDateTime(time) {
|
|
const month = ('0' + (time.getMonth() + 1).toString()).substr(-2);
|
|
const year = time.getFullYear().toString();
|
|
const day = ('0' + time.getDay().toString()).substr(-2);
|
|
const hours = time.getHours().toString();
|
|
const mins = time.getMinutes().toString();
|
|
const secs = ('0' + time.getSeconds().toString()).substr(-2);
|
|
|
|
return (year + '-' + month + '-' + day + ' ' + hours + ':' + mins + ':' + secs);
|
|
}
|
|
|
|
let result = [];
|
|
lines.forEach(function (line) {
|
|
if (line.trim() !== '') {
|
|
line = line.trim().replace(/ +/g, ' ').replace(/,+/g, '.');
|
|
const parts = line.split(' ');
|
|
const command = parts.slice(9).join(' ');
|
|
const pmem = parseFloat((1.0 * parseInt(parts[3]) * 1024 / os.totalmem()).toFixed(1));
|
|
const elapsed_parts = parts[5].split(':');
|
|
const started = formatDateTime(new Date(Date.now() - (elapsed_parts.length > 1 ? (elapsed_parts[0] * 60 + elapsed_parts[1]) * 1000 : elapsed_parts[0] * 1000)));
|
|
|
|
result.push({
|
|
pid: parseInt(parts[0]),
|
|
parentPid: parseInt(parts[1]),
|
|
name: getName(command),
|
|
pcpu: 0,
|
|
pcpuu: 0,
|
|
pcpus: 0,
|
|
pmem: pmem,
|
|
priority: 0,
|
|
mem_vsz: parseInt(parts[2]),
|
|
mem_rss: parseInt(parts[3]),
|
|
nice: parseInt(parts[4]),
|
|
started: started,
|
|
state: (parts[6] === 'R' ? 'running' : (parts[6] === 'S' ? 'sleeping' : (parts[6] === 'T' ? 'stopped' : (parts[6] === 'W' ? 'paging' : (parts[6] === 'X' ? 'dead' : (parts[6] === 'Z' ? 'zombie' : ((parts[6] === 'D' || parts[6] === 'U') ? 'blocked' : 'unknown'))))))),
|
|
tty: parts[7],
|
|
user: parts[8],
|
|
command: command
|
|
});
|
|
}
|
|
});
|
|
return result;
|
|
}
|
|
|
|
function parseProcStat(line) {
|
|
let parts = line.replace(/ +/g, ' ').split(' ');
|
|
let user = (parts.length >= 2 ? parseInt(parts[1]) : 0);
|
|
let nice = (parts.length >= 3 ? parseInt(parts[2]) : 0);
|
|
let system = (parts.length >= 4 ? parseInt(parts[3]) : 0);
|
|
let idle = (parts.length >= 5 ? parseInt(parts[4]) : 0);
|
|
let iowait = (parts.length >= 6 ? parseInt(parts[5]) : 0);
|
|
let irq = (parts.length >= 7 ? parseInt(parts[6]) : 0);
|
|
let softirq = (parts.length >= 8 ? parseInt(parts[7]) : 0);
|
|
let steal = (parts.length >= 9 ? parseInt(parts[8]) : 0);
|
|
let guest = (parts.length >= 10 ? parseInt(parts[9]) : 0);
|
|
let guest_nice = (parts.length >= 11 ? parseInt(parts[10]) : 0);
|
|
return user + nice + system + idle + iowait + irq + softirq + steal + guest + guest_nice;
|
|
}
|
|
|
|
function parseProcPidStat(line, all) {
|
|
let statparts = line.replace(/ +/g, ' ').split(')');
|
|
if (statparts.length >= 2) {
|
|
let parts = statparts[1].split(' ');
|
|
if (parts.length >= 16) {
|
|
let pid = parseInt(statparts[0].split(' ')[0]);
|
|
let utime = parseInt(parts[12]);
|
|
let stime = parseInt(parts[13]);
|
|
let cutime = parseInt(parts[14]);
|
|
let cstime = parseInt(parts[15]);
|
|
|
|
// calc
|
|
let pcpuu = 0;
|
|
let pcpus = 0;
|
|
if (_process_cpu.all > 0 && _process_cpu.list[pid]) {
|
|
pcpuu = (utime + cutime - _process_cpu.list[pid].utime - _process_cpu.list[pid].cutime) / (all - _process_cpu.all) * 100; // user
|
|
pcpus = (stime + cstime - _process_cpu.list[pid].stime - _process_cpu.list[pid].cstime) / (all - _process_cpu.all) * 100; // system
|
|
} else {
|
|
pcpuu = (utime + cutime) / (all) * 100; // user
|
|
pcpus = (stime + cstime) / (all) * 100; // system
|
|
}
|
|
return {
|
|
pid: pid,
|
|
utime: utime,
|
|
stime: stime,
|
|
cutime: cutime,
|
|
cstime: cstime,
|
|
pcpuu: pcpuu,
|
|
pcpus: pcpus
|
|
};
|
|
} else {
|
|
return {
|
|
pid: 0,
|
|
utime: 0,
|
|
stime: 0,
|
|
cutime: 0,
|
|
cstime: 0,
|
|
pcpuu: 0,
|
|
pcpus: 0
|
|
};
|
|
}
|
|
} else {
|
|
return {
|
|
pid: 0,
|
|
utime: 0,
|
|
stime: 0,
|
|
cutime: 0,
|
|
cstime: 0,
|
|
pcpuu: 0,
|
|
pcpus: 0
|
|
};
|
|
}
|
|
}
|
|
|
|
function calcProcPidStat(procStat, all) {
|
|
// calc
|
|
let pcpuu = 0;
|
|
let pcpus = 0;
|
|
if (_process_cpu.all > 0 && _process_cpu.list[procStat.pid]) {
|
|
pcpuu = (procStat.utime - _process_cpu.list[procStat.pid].utime) / (all - _process_cpu.all) * 100; // user
|
|
pcpus = (procStat.stime - _process_cpu.list[procStat.pid].stime) / (all - _process_cpu.all) * 100; // system
|
|
} else {
|
|
pcpuu = (procStat.utime) / (all) * 100; // user
|
|
pcpus = (procStat.stime) / (all) * 100; // system
|
|
}
|
|
return {
|
|
pid: procStat.pid,
|
|
utime: procStat.utime,
|
|
stime: procStat.stime,
|
|
pcpuu: pcpuu,
|
|
pcpus: pcpus
|
|
};
|
|
}
|
|
|
|
return new Promise((resolve) => {
|
|
process.nextTick(() => {
|
|
let result = {
|
|
all: 0,
|
|
running: 0,
|
|
blocked: 0,
|
|
sleeping: 0,
|
|
unknown: 0,
|
|
list: []
|
|
};
|
|
|
|
let cmd = '';
|
|
|
|
if ((_process_cpu.ms && Date.now() - _process_cpu.ms >= 500) || _process_cpu.ms === 0) {
|
|
if (_linux || _freebsd || _openbsd || _darwin || _sunos) {
|
|
if (_linux) cmd = 'export LC_ALL=C; ps -axo pid:11,ppid:11,pcpu:6,pmem:6,pri:5,vsz:11,rss:11,ni:5,lstart:30,state:5,tty:15,user:20,command; unset LC_ALL';
|
|
if (_freebsd || _openbsd) cmd = 'export LC_ALL=C; ps -axo pid,ppid,pcpu,pmem,pri,vsz,rss,ni,lstart,state,tty,user,command; unset LC_ALL';
|
|
if (_darwin) cmd = 'export LC_ALL=C; ps -acxo pid,ppid,pcpu,pmem,pri,vsz,rss,nice,lstart,state,tty,user,command -r; unset LC_ALL';
|
|
if (_sunos) cmd = 'ps -Ao pid,ppid,pcpu,pmem,pri,vsz,rss,nice,stime,s,tty,user,comm';
|
|
exec(cmd, { maxBuffer: 1024 * 2000 }, function (error, stdout) {
|
|
if (!error) {
|
|
result.list = parseProcesses(stdout.toString().split('\n'));
|
|
result.all = result.list.length;
|
|
result.running = result.list.filter(function (e) {
|
|
return e.state === 'running';
|
|
}).length;
|
|
result.blocked = result.list.filter(function (e) {
|
|
return e.state === 'blocked';
|
|
}).length;
|
|
result.sleeping = result.list.filter(function (e) {
|
|
return e.state === 'sleeping';
|
|
}).length;
|
|
|
|
if (_linux) {
|
|
// calc process_cpu - ps is not accurate in linux!
|
|
cmd = 'cat /proc/stat | grep "cpu "';
|
|
for (let i = 0; i < result.list.length; i++) {
|
|
cmd += (';cat /proc/' + result.list[i].pid + '/stat');
|
|
}
|
|
exec(cmd, { maxBuffer: 1024 * 2000 }, function (error, stdout) {
|
|
let curr_processes = stdout.toString().split('\n');
|
|
|
|
// first line (all - /proc/stat)
|
|
let all = parseProcStat(curr_processes.shift());
|
|
|
|
// process
|
|
let list_new = {};
|
|
let resultProcess = {};
|
|
for (let i = 0; i < curr_processes.length; i++) {
|
|
resultProcess = parseProcPidStat(curr_processes[i], all);
|
|
|
|
if (resultProcess.pid) {
|
|
|
|
// store pcpu in outer array
|
|
let listPos = result.list.map(function (e) { return e.pid; }).indexOf(resultProcess.pid);
|
|
if (listPos >= 0) {
|
|
result.list[listPos].pcpu = resultProcess.pcpuu + resultProcess.pcpus;
|
|
result.list[listPos].pcpuu = resultProcess.pcpuu;
|
|
result.list[listPos].pcpus = resultProcess.pcpus;
|
|
}
|
|
|
|
// save new values
|
|
list_new[resultProcess.pid] = {
|
|
pcpuu: resultProcess.pcpuu,
|
|
pcpus: resultProcess.pcpus,
|
|
utime: resultProcess.utime,
|
|
stime: resultProcess.stime,
|
|
cutime: resultProcess.cutime,
|
|
cstime: resultProcess.cstime
|
|
};
|
|
}
|
|
}
|
|
|
|
// store old values
|
|
_process_cpu.all = all;
|
|
_process_cpu.list = list_new;
|
|
_process_cpu.ms = Date.now() - _process_cpu.ms;
|
|
_process_cpu.result = result;
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
});
|
|
} else {
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
}
|
|
} else {
|
|
cmd = 'ps -o pid,ppid,vsz,rss,nice,etime,stat,tty,user,comm';
|
|
if (_sunos) {
|
|
cmd = 'ps -o pid,ppid,vsz,rss,nice,etime,s,tty,user,comm';
|
|
}
|
|
exec(cmd, { maxBuffer: 1024 * 2000 }, function (error, stdout) {
|
|
if (!error) {
|
|
let lines = stdout.toString().split('\n');
|
|
lines.shift();
|
|
|
|
result.list = parseProcesses2(lines);
|
|
result.all = result.list.length;
|
|
result.running = result.list.filter(function (e) {
|
|
return e.state === 'running';
|
|
}).length;
|
|
result.blocked = result.list.filter(function (e) {
|
|
return e.state === 'blocked';
|
|
}).length;
|
|
result.sleeping = result.list.filter(function (e) {
|
|
return e.state === 'sleeping';
|
|
}).length;
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
} else {
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
}
|
|
if (_windows) {
|
|
try {
|
|
exec(util.getWmic() + ' process get /value', { maxBuffer: 1024 * 2000, windowsHide: true }, function (error, stdout) {
|
|
if (!error) {
|
|
let processSections = stdout.split(/\n\s*\n/);
|
|
let procs = [];
|
|
let procStats = [];
|
|
let list_new = {};
|
|
let allcpuu = 0;
|
|
let allcpus = 0;
|
|
for (let i = 0; i < processSections.length; i++) {
|
|
if (processSections[i].trim() !== '') {
|
|
let lines = processSections[i].trim().split('\r\n');
|
|
let pid = parseInt(util.getValue(lines, 'ProcessId', '=', true), 10);
|
|
let parentPid = parseInt(util.getValue(lines, 'ParentProcessId', '=', true), 10);
|
|
let statusValue = util.getValue(lines, 'ExecutionState', '=');
|
|
let name = util.getValue(lines, 'Caption', '=', true);
|
|
let commandLine = util.getValue(lines, 'CommandLine', '=', true);
|
|
let utime = parseInt(util.getValue(lines, 'UserModeTime', '=', true), 10);
|
|
let stime = parseInt(util.getValue(lines, 'KernelModeTime', '=', true), 10);
|
|
let mem = parseInt(util.getValue(lines, 'WorkingSetSize', '=', true), 10);
|
|
allcpuu = allcpuu + utime;
|
|
allcpus = allcpus + stime;
|
|
result.all++;
|
|
if (!statusValue) { result.unknown++; }
|
|
if (statusValue === '3') { result.running++; }
|
|
if (statusValue === '4' || statusValue === '5') { result.blocked++; }
|
|
|
|
procStats.push({
|
|
pid: pid,
|
|
utime: utime,
|
|
stime: stime,
|
|
pcpu: 0,
|
|
pcpuu: 0,
|
|
pcpus: 0,
|
|
});
|
|
procs.push({
|
|
pid: pid,
|
|
parentPid: parentPid,
|
|
name: name,
|
|
pcpu: 0,
|
|
pcpuu: 0,
|
|
pcpus: 0,
|
|
pmem: mem / os.totalmem() * 100,
|
|
priority: parseInt(util.getValue(lines, 'Priority', '=', true), 10),
|
|
mem_vsz: parseInt(util.getValue(lines, 'PageFileUsage', '=', true), 10),
|
|
mem_rss: Math.floor(parseInt(util.getValue(lines, 'WorkingSetSize', '=', true), 10) / 1024),
|
|
nice: 0,
|
|
started: parseTimeWin(util.getValue(lines, 'CreationDate', '=', true)),
|
|
state: (!statusValue ? _winStatusValues[0] : _winStatusValues[statusValue]),
|
|
tty: '',
|
|
user: '',
|
|
command: commandLine || name
|
|
});
|
|
}
|
|
}
|
|
result.sleeping = result.all - result.running - result.blocked - result.unknown;
|
|
result.list = procs;
|
|
for (let i = 0; i < procStats.length; i++) {
|
|
let resultProcess = calcProcPidStat(procStats[i], allcpuu + allcpus);
|
|
|
|
// store pcpu in outer array
|
|
let listPos = result.list.map(function (e) { return e.pid; }).indexOf(resultProcess.pid);
|
|
if (listPos >= 0) {
|
|
result.list[listPos].pcpu = resultProcess.pcpuu + resultProcess.pcpus;
|
|
result.list[listPos].pcpuu = resultProcess.pcpuu;
|
|
result.list[listPos].pcpus = resultProcess.pcpus;
|
|
}
|
|
|
|
// save new values
|
|
list_new[resultProcess.pid] = {
|
|
pcpuu: resultProcess.pcpuu,
|
|
pcpus: resultProcess.pcpus,
|
|
utime: resultProcess.utime,
|
|
stime: resultProcess.stime
|
|
};
|
|
}
|
|
// store old values
|
|
_process_cpu.all = allcpuu + allcpus;
|
|
_process_cpu.list = list_new;
|
|
_process_cpu.ms = Date.now() - _process_cpu.ms;
|
|
_process_cpu.result = result;
|
|
}
|
|
if (callback) {
|
|
callback(result);
|
|
}
|
|
resolve(result);
|
|
});
|
|
} catch (e) {
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
}
|
|
}
|
|
} else {
|
|
if (callback) { callback(_process_cpu.result); }
|
|
resolve(_process_cpu.result);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
exports.processes = processes;
|
|
|
|
// --------------------------
|
|
// PS - process load
|
|
// get detailed information about a certain process
|
|
// (PID, CPU-Usage %, Mem-Usage %)
|
|
|
|
function processLoad(proc, callback) {
|
|
|
|
// fallback - if only callback is given
|
|
if (util.isFunction(proc) && !callback) {
|
|
callback = proc;
|
|
proc = '';
|
|
}
|
|
|
|
return new Promise((resolve, reject) => {
|
|
process.nextTick(() => {
|
|
if (_windows) {
|
|
let error = new Error(NOT_SUPPORTED);
|
|
if (callback) { callback(NOT_SUPPORTED); }
|
|
reject(error);
|
|
}
|
|
|
|
let result = {
|
|
'proc': proc,
|
|
'pid': -1,
|
|
'cpu': 0,
|
|
'mem': 0
|
|
};
|
|
|
|
if (proc) {
|
|
exec('ps -axo pid,pcpu,pmem,comm | grep ' + proc + ' | grep -v grep', { maxBuffer: 1024 * 2000 }, function (error, stdout) {
|
|
if (!error) {
|
|
let lines = stdout.toString().split('\n');
|
|
|
|
let pid = 0;
|
|
let cpu = 0;
|
|
let mem = 0;
|
|
|
|
lines.forEach(function (line) {
|
|
let data = line.replace(/ +/g, ' ').split(' ');
|
|
if (data.length > 3) {
|
|
pid = (!pid ? parseInt(data[0]) : 0);
|
|
cpu = cpu + parseFloat(data[1].replace(',', '.'));
|
|
mem = mem + parseFloat(data[2].replace(',', '.'));
|
|
}
|
|
});
|
|
// TODO: calc process_cpu - ps is not accurate in linux!
|
|
|
|
result = {
|
|
'proc': proc,
|
|
'pid': pid,
|
|
'cpu': parseFloat((cpu / lines.length).toFixed(2)),
|
|
'mem': parseFloat((mem / lines.length).toFixed(2))
|
|
};
|
|
}
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
});
|
|
} else {
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
exports.processLoad = processLoad;
|
|
|
|
|
|
|