exports.js

var Silk = require('silk-api');
var os = require('os-utils');
var exec = require('child_process').exec;


module.exports = {
  'apps': function (data) {
    var context = this;
    context.async = true;
    Silk.call('apps/list', {}, function (err, data) {
      if (err) {
        return context.return(err);
      }
      context.return(data);
    });
  },
  'restart': function (data) {
    console.log("will restart + " + data.name);
    Silk.call('apps/restart', data.path, function (err, result) {
      console.log(err);
      console.log(result);
      this.return(err);
    });
  },
  'cpuUsage': function (data) {
    let context = this;
    context.async = true;
    os.cpuUsage(function (usage) {
      context.return(usage);
    });
  },
  'totalMem': function (data) {
    return os.totalmem();
  },
  'freeMem': function (data) {
    return os.freemem();
  },
  'processes': function (data) {
    if (process.platform === 'win32') {
      return [];
    }
    let context = this;
    context.async = true;

    var startTime = new Date().getTime();
    exec('ps aux -c', function (err, data) {
      data = data.split('\n');
      data.splice(0, 1);
      // last line is blank
      data.splice(data.length - 1, 1);
      var processes = [];
      //console.dir(data);
      var dataLength = data.length;
      var command;
      //console.log('dataLength:', dataLength);
      // each line
      for (var i = 0; i < dataLength; ++i) {
        var item = data[i];
        item = item.split(" ");

        // remove empty strings
        var itemLength = item.length;
        for (var x = 0; x < itemLength; ++x) {
          if (item[x] === '') {
            item.splice(x, 1);
            x -= 1;
          }
        }

        if (item.length > 10) {
          // command name has spaces
          command = item.slice(10, item.length);
          command = command.join(' ');
        }

        item = {
          user: item[0],
          pid: item[1],
          cpu: item[2],
          mem: item[3],
          vsz: item[4],
          rss: item[5],
          tt: item[6],
          stat: item[7],
          started: item[8],
          time: item[9],
          command: command || item[10]
        };
        processes.push(item);
      }

      //console.dir(processes);
      var endTime = new Date().getTime();
      //console.log('found google chrome:', isTrue);
      //  console.log('took ' + (endTime - startTime));
      //console.log('finishing length', processes.length);

      //console.dir(processes);
      context.return(processes);
    });
  }
}