Add CGI fallback example

example/cgiFallback.js

@@ -0,0 +1,74 @@
+#!/usr/bin/env node
+
+/**
+ * Copyright (c) 2016 Fabio Massaioli and other contributors
+ *
+ * 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.
+ */
+
+// To run this example:
+// > npm install puffnfresh/node-cgi
+// > ./cgiFallback.js 2> /dev/null
+
+'use strict';
+
+var fcgi = require('../index.js'),
+    cgi  = require('node-cgi'),
+    fs   = require('fs');
+
+function log(msg) {
+    fs.appendFileSync('cgiFallback.log', msg);
+}
+
+var createServer = fcgi.createServer;
+
+// stat fd 0; if it's not a socket switch to plain CGI.
+if (!(fs.fstatSync(0).mode & fs.constants.S_IFSOCK))
+    createServer = cgi.createServer;
+
+createServer(function (req, res) {
+    res.writeHead(200, {
+        'Content-Type': 'text/plain',
+    });
+    res.end("It's working!\n");
+}).listen(function () {
+    log('Listening\n');
+});
+
+process.on('uncaughtException', function (err) {
+    log(err.stack + '\n\n');
+    process.exit(1);
+});
+
+process.on('exit', function () {
+    log('Exit - Uptime:' + process.uptime() + '\n\n');
+});
+
+process.on('SIGTERM', function () {
+    log('SIGTERM\n');
+    process.exit(0);
+});
+
+process.on('SIGINT', function () {
+    log('SIGINT\n');
+    process.exit(0);
+});
+
+process.on('SIGUSR1', function () {
+    log('SIGUSR1\n');
+});

example/fileServer.js

@@ -24,8 +24,7 @@
 'use strict';
 
 var fcgi = require('../index.js'),
-    fs = require('fs'),
-    util = require('util');
+    fs = require('fs');
 
 function log(msg) {
     fs.appendFileSync('fileServer.log', msg);