ConnectionCache.js

var Connection = require('./Connection');
var net = require('net');

var ConnectionCache = function() {
  this.connections = {};
}

ConnectionCache.prototype.clear = function() {
  this.connections = {};
};

ConnectionCache.prototype.getConnection = function(port, host) {
  var connectionString = host + ':' + port;
  var connection = this.connections[connectionString];

  if (!connection) {
    connection = new Connection(port, host);
    this.connections[connectionString] = connection;
  }

  return connection;
};

module.exports = ConnectionCache;