Node app for testing rule forward...

app.js

var express = require('express');
var app = express();

app.get('/', function(req, res){
  var retryCount = req.query.retryCount;
  console.log("req.query.retryCount: " + retryCount);
  if (!retryCount || retryCount <3) {
    res.send(500, 'retryCount under 3');
  } else {
    res.send('Hello World' + retryCount);
  }
});

var server = app.listen(3000, function() {
    console.log('Listening on port %d', server.address().port);
});

var express = require('express');
var app = express();

app.use (function(req, res, next) {
  var data='';
  req.setEncoding('utf8');
  req.on('data', function(chunk) {
    data += chunk;
  });

  req.on('end', function() {
    req.body = data;
    next();
  });
});

app.post('/', function(req, res){
  var retryCount = req.query.retryCount;
  console.log("req.query.retryCount: " + retryCount);
  console.log(req.body);
  if (!retryCount || retryCount <3) {
    console.log('500 returned');
    res.send(500, 'retryCount under 3');
  } else {
    console.log('200 returned');
    res.send('Hello World' + retryCount);
  }
});

var server = app.listen(3000, function() {
    console.log('Listening on port %d', server.address().port);
});