// show SPAWN logs

(function() {

var childProcess = require("child_process");

var oldSpawn = childProcess.spawn;

function mySpawn() {

console.log('spawn called');

console.log(arguments);

var result = oldSpawn.apply(this, arguments);

return result;

}

childProcess.spawn = mySpawn;

})();

// Create the path of the express server to pass in with the spawn call

var webServerDirectory = path.join(__dirname, 'http', 'bin', 'www');

log.info('starting node script: ' + webServerDirectory);

var nodePath = "/usr/local/bin/node";

if (process.platform === 'win32') {

// Overwrite with the windows path...only testing on mac currently

}

// Optionally update environment variables used

var env = JSON.parse(JSON.stringify(process.env));

// Start the node express server

const spawn = require('child_process').spawn;

webServer = spawn(nodePath, [webServerDirectory], {

env: env

});

// Were we successful?

if (!webServer) {

log.info("couldn't start web server");

return;

}

// Handle standard out data from the child process

webServer.stdout.on('data', function (data) {

log.info('data: ' + data);

});

// Triggered when a child process uses process.send() to send messages.

webServer.on('message', function (message) {

log.info(message);

});

// Handle closing of the child process

webServer.on('close', function (code) {

log.info('child process exited with code ' + code);

webServer = null;

// Only restart if killed for a reason...

if (!shuttingDown) {

log.info('restarting...');

startExpress();

}

});

// Handle the stream for the child process stderr

webServer.stderr.on('data', function (data) {

log.info('stderr: ' + data);

});

// Occurs when:

// The process could not be spawned, or

// The process could not be killed, or

// Sending a message to the child process failed.

webServer.on('error', function (err) {

log.info('web server error: ' + err);

});