[examples] update the error-handling example using the new error hand…

…le way

examples/error-handling.js

@@ -1,26 +1,33 @@
var httpProxy = require('../index');
var httpProxy = require('../lib/http-proxy'),
    http = require('http');
/*
 * Create your proxy server
 */
var proxyServer = httpProxy.createProxyServer({target:'http://localhost:30404', ws:true});
var proxy = httpProxy.createProxyServer({target:'http://localhost:30404', ws:true});

// Register an error handler for web requests
proxyServer.ee.on("http-proxy:outgoing:web:error", function(err, req, res){
	res.writeHead(502);
	res.end("There was an error proxying your request");
});
var proxyServer = http.createServer(requestHandler);

// Register an error handler for web-socket requests
proxyServer.ee.on("http-proxy:outgoing:ws:error", function(err, req, socket, head){
	socket.close();
});

// You may also use a wild card 
proxyServer.ee.on("*:*:*:error", function(err, req){
	console.log("The error event '" + this.event + "' happened errno: " + err.errno);
});
function requestHandler(req, res) {
  // Pass a callback to the web proxy method
  // and catch the error there.
  proxy.web(req, res, function (err) {
    // Now you can get the err
    // and handle it by your self
    // if (err) throw err;
    res.writeHead(502);
    res.end("There was an error proxying your request");
  });

  // In a websocket request case
  req.on('upgrade', function (req, socket, head) {
    proxy.ws(req, socket, head, function (err) {
      // Now you can get the err
      // and handle it by your self
      // if (err) throw err;
      socket.close();
    })
  })
}

console.log("Proxy server is listening on port 8000");
proxyServer.listen(8000);

proxyServer.listen(8000)

examples/stand-alone.js

@@ -1,5 +1,5 @@
var http = require('http'),
    httpProxy = require('http-proxy');
    httpProxy = require('../lib/http-proxy');
//
// Create your proxy server
//