code: function requestResponseHandler(req, res, path) {
  	if (panoptica.length === 0) {
  		// not set up
  
  		res.writeHead(500, { 'content-type': 'text/plain' });
  		res.end('Sampler has not been configured with any intervals');
  		return;
  	}
  
  	var queryPath;
  
  	try {
  		queryPath = pathToQuery(path);
  	} catch (error) {
  		// bad request
  		res.writeHead(400, { 'content-type': 'text/plain' });
  		res.end('Failed to parse query path: ' + path);
  		return;
  	}
  
  	var data = exports.query(queryPath);
  
  	if (data === undefined) {
  		logger.verbose('Could not find path', queryPath, 'in sampler. Available:', Object.keys(gatheredData));
  
  		res.writeHead(404, { 'content-type': 'text/plain' });
  		res.end('There is no data available at "' + queryPath.join('/') + '" at this time.');
  		return;
  	}
  
  	try {
  		data = JSON.stringify(data, null, '  ');
  	} catch (jsonError) {
  		logger.error('Error serializing sampler data:', jsonError);
  
  		res.writeHead(500, { 'content-type': 'text/plain' });
  		res.end('Error while serializing data');
  		return;
  	}
  
  	res.writeHead(200, { 'content-type': 'application/json' });
  	res.end(data);
  }
docs: A simple HTTP request-response handler to wrap exports.query.
  
  @param {http.ClientRequest}  req  HTTP client request object.
  @param {http.ServerResponse} res  HTTP server response object.
  @param {string}              path The path in the URL.