Begin WebSocket support for Broadcast and Player control

modules/React/Http/RequestHeaderParser.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace React\Http;
+
+use Evenement\EventEmitter;
+use Guzzle\Parser\Message\MessageParser;
+
+/**
+ * @event headers
+ * @event error
+ */
+class RequestHeaderParser extends EventEmitter
+{
+    private $buffer = '';
+    private $maxSize = 4096;
+
+    public function feed($data)
+    {
+        if (strlen($this->buffer) + strlen($data) > $this->maxSize) {
+            $this->emit('error', array(new \OverflowException("Maximum header size of {$this->maxSize} exceeded."), $this));
+
+            return;
+        }
+
+        $this->buffer .= $data;
+
+        if (false !== strpos($this->buffer, "\r\n\r\n")) {
+            list($request, $bodyBuffer) = $this->parseRequest($this->buffer);
+
+            $this->emit('headers', array($request, $bodyBuffer));
+            $this->removeAllListeners();
+        }
+    }
+
+    public function parseRequest($data)
+    {
+        list($headers, $bodyBuffer) = explode("\r\n\r\n", $data, 2);
+
+        $parser = new MessageParser();
+        $parsed = $parser->parseRequest($headers."\r\n\r\n");
+
+        $parsedQuery = array();
+        if ($parsed['request_url']['query']) {
+            parse_str($parsed['request_url']['query'], $parsedQuery);
+        }
+
+        $request = new Request(
+            $parsed['method'],
+            $parsed['request_url']['path'],
+            $parsedQuery,
+            $parsed['version'],
+            $parsed['headers']
+        );
+
+        return array($request, $bodyBuffer);
+    }
+}