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[doc] Added sample for custom error messages using the `proxyError` e…

…vent
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commit 4cdbf0e8729a0665904b577376240c00e56ad876 1 parent 7b574d3
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  1. +59 −0 examples/custom-proxy-error.js
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59 examples/custom-proxy-error.js
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+/*
+ custom-proxy-error.js: Example of using the custom `proxyError` event.
+
+ Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires.
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+var util = require('util'),
+ colors = require('colors'),
+ http = require('http'),
+ httpProxy = require('./../lib/node-http-proxy');
+
+//
+// Http Proxy Server with Latency
+//
+var server = httpProxy.createServer(function (req, res, proxy) {
+ proxy.proxyRequest(req, res, {
+ port: 9000,
+ host: 'localhost'
+ });
+})
+
+//
+// Tell the server to listen on port 8002
+//
+server.listen(8002);
+
+//
+// Listen for the `proxyError` event on `server.proxy`. _It will not
+// be raised on the server itself._
+server.proxy.on('proxyError', function (err, req, res) {
+ res.writeHead(500, {
+ 'Content-Type': 'text/plain'
+ });
+
+ res.end('Something went wrong. And we are reporting a custom error message.');
+});
+
+
+util.puts('http proxy server '.blue + 'started '.green.bold + 'on port '.blue + '8002 '.yellow + 'with custom error message'.magenta.underline);

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