servidor funciona, gpio desabilitat

node_modules/connect/lib/middleware/limit.js

@@ -0,0 +1,78 @@
+
+/*!
+ * Connect - limit
+ * Copyright(c) 2011 TJ Holowaychuk
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var utils = require('../utils'),
+  brokenPause = utils.brokenPause;
+
+/**
+ * Limit:
+ *
+ *   Limit request bodies to the given size in `bytes`.
+ *
+ *   A string representation of the bytesize may also be passed,
+ *   for example "5mb", "200kb", "1gb", etc.
+ *
+ *     connect()
+ *       .use(connect.limit('5.5mb'))
+ *       .use(handleImageUpload)
+ *
+ * @param {Number|String} bytes
+ * @return {Function}
+ * @api public
+ */
+
+module.exports = function limit(bytes){
+  if ('string' == typeof bytes) bytes = utils.parseBytes(bytes);
+  if ('number' != typeof bytes) throw new Error('limit() bytes required');
+  return function limit(req, res, next){
+    var received = 0
+      , len = req.headers['content-length']
+        ? parseInt(req.headers['content-length'], 10)
+        : null;
+
+    // self-awareness
+    if (req._limit) return next();
+    req._limit = true;
+
+    // limit by content-length
+    if (len && len > bytes) return next(utils.error(413));
+
+    // limit
+    if (brokenPause) {
+      listen();
+    } else {
+      req.on('newListener', function handler(event) {
+        if (event !== 'data') return;
+
+        req.removeListener('newListener', handler);
+        // Start listening at the end of the current loop
+        // otherwise the request will be consumed too early.
+        // Sideaffect is `limit` will miss the first chunk,
+        // but that's not a big deal.
+        // Unfortunately, the tests don't have large enough
+        // request bodies to test this.
+        process.nextTick(listen);
+      });
+    };
+
+    next();
+
+    function listen() {
+      req.on('data', function(chunk) {
+        received += Buffer.isBuffer(chunk)
+          ? chunk.length :
+          Buffer.byteLength(chunk);
+
+        if (received > bytes) req.destroy();
+      });
+    };
+  };
+};