mhl-dispatcher/libs/proc.js

A node dispatcher server for running and managing batch processes

var exec = require('child_process').exec,
	xml2js = require('xml2js'),
	http = require('http'),
	fs = require('fs'),
	proc = {},
	APPLICATIONSPATH = 'http://oracle.mhl.co.uk:8080/public/bm/Applications.xml';

	'use strict';

module.exports = exports = proc;

proc.apps = null;

proc.run =  function(command, callback){
	var child;
	//envProc = process.env;
	//envProc['BatchID'] = '789983';
	//command = 'set BatchID='+ envs + ' & ' + command;
	//process.env['BatchID'] = envs;
	//command = 'C:\Program Files\Autodesk\3ds Max Design 2012\3dsmax.exe" -showRFW:0 -script: "\\mhl.co.uk\dfs\job\1847\dispatcher test\Example_NJBatch02\SSR_130204160118.ms" "\\mhl.co.uk\dfs\job\1847\dispatcher test\Example_NJBatch02\city0411.max"'
	//console.log(envProc);
	child = exec(command, callback);
	return child;
};

proc.kill = function(pid, callback){
	var winKillCommand = 'Taskkill /PID '+ pid +' /F';
	//process.kill(pid, 'SIGTERM');
	process.nextTick(function(){
		proc.run(winKillCommand, callback);
	});
};

proc.getExecutablePath = function(appKey){
	var apps, i, n;
	if(proc.apps){
		apps = proc.apps.applications.application;
		for(i = 0, n = apps.length; i < n; i++){
			if(apps[i]['$'].key == appKey){
				return apps[i].executablepath[0];
			}
		}
	}
	return '';
};

proc.stringify = function(exe, args){
	return '"' + exe + '" '+ args;
};

proc.loadAppsFile = function(url, callback){
	http.get(url, function(res){
		res.setEncoding('utf8');
		res.on('data', function(chunk){
			var parser = new xml2js.Parser();
			parser.parseString(chunk, function(err, result){
				if(err){
					console.log(err);
				}else{
					proc.apps = result;
				}
			});
		});	
	}).on('error', function(e){
		//throw server sxception
		console.log(e);
	});
};

proc.init = function(){
	proc.loadAppsFile(APPLICATIONSPATH);
};

//auto load the applications file on start up
proc.init();

proc.sample = function(data, callback){
	callback(data);
};