807dd273fd
the reminder not showing content on the card at dashboard view and the quizes are hardcoded must move to the db make api's for it
54 lines
1.1 KiB
JavaScript
54 lines
1.1 KiB
JavaScript
const spawn = require('child_process').spawn;
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module.exports = { tree, pidsForTree, getStat };
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function getStat() {
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return new Promise((resolve) => {
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const command = `ls /proc | grep -E '^[0-9]+$' | xargs -I{} cat /proc/{}/stat`;
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const spawned = spawn('sh', ['-c', command], {
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stdio: ['pipe', 'pipe', 'pipe'],
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});
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var res = '';
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spawned.stdout.on('data', (data) => (res += data));
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spawned.on('close', () => resolve(res));
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});
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}
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function template(s) {
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var stat = null;
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// 'pid', 'comm', 'state', 'ppid', 'pgrp'
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// %d (%s) %c %d %d
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s.replace(
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/(\d+) \((.*?)\)\s(.+?)\s(\d+)\s/g,
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(all, PID, COMMAND, STAT, PPID) => {
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stat = { PID, COMMAND, PPID, STAT };
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}
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);
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return stat;
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}
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function tree(stats) {
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const processes = stats.split('\n').map(template).filter(Boolean);
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return processes;
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}
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function pidsForTree(tree, pid) {
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if (typeof pid === 'number') {
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pid = pid.toString();
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}
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const parents = [pid];
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const pids = [];
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tree.forEach((proc) => {
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if (parents.indexOf(proc.PPID) !== -1) {
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parents.push(proc.PID);
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pids.push(proc);
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}
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});
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return pids;
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}
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