A simple single connection proxy

scripts_mysql_proxy.js

var net = require('net');

var ops = 0;
var proxy = net.createServer(function(bid_conn) { //'connection' listener
  console.log('BrowserID (re)-CONNected ', ops);

  if (ops < 8 || ops > 10) {
    ops = 0;
    console.log('RESETTING OPS, allowing new connection');
    var mysql_conn = net.connect(3306, 'localhost');


    mysql_conn.on('connect', function () {
      console.log('client CONNected');
    });

    mysql_conn.on('data', function (data) {
      console.log('MySQL sent data');
      console.log(data.toString('utf8'));
      bid_conn.write(data);
    });

    mysql_conn.on('end', function () {
      console.log('client connection ENDed');
      bid_conn.end();
    });

  } else {
    ops++;
    console.log('BAIL');
  }



  bid_conn.on('data', function (data) {
    console.log('BrowserID sent data ', ops);
    console.log(data.toString('utf8'));
    ops++;
    if (ops > 8) {
      bid_conn.emit('timeout');
      // BrowserID will close and re-open connection, which causes ops to be reset to 0
    } else {
      mysql_conn.write(data);
    }
  });

  bid_conn.on('end', function() {
    console.log('BrowserID DISCONNected');
    if (mysql_conn) mysql_conn.end();
  });
});//createServer

proxy.listen(3307, function() { //'listening' listener
  console.log('mysql proxy listening on 3307');
});