added new socket manager, errorhandling and testing is not finished yet

libs/React/Stream/CompositeStream.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace React\Stream;
+
+use Evenement\EventEmitter;
+
+class CompositeStream extends EventEmitter implements DuplexStreamInterface
+{
+    protected $readable;
+    protected $writable;
+    protected $pipeSource;
+
+    public function __construct(ReadableStreamInterface $readable, WritableStreamInterface $writable)
+    {
+        $this->readable = $readable;
+        $this->writable = $writable;
+
+        Util::forwardEvents($this->readable, $this, array('data', 'end', 'error', 'close'));
+        Util::forwardEvents($this->writable, $this, array('drain', 'error', 'close', 'pipe'));
+
+        $this->readable->on('close', array($this, 'close'));
+        $this->writable->on('close', array($this, 'close'));
+
+        $this->on('pipe', array($this, 'handlePipeEvent'));
+    }
+
+    public function handlePipeEvent($source)
+    {
+        $this->pipeSource = $source;
+    }
+
+    public function isReadable()
+    {
+        return $this->readable->isReadable();
+    }
+
+    public function pause()
+    {
+        if ($this->pipeSource) {
+            $this->pipeSource->pause();
+        }
+
+        $this->readable->pause();
+    }
+
+    public function resume()
+    {
+        if ($this->pipeSource) {
+            $this->pipeSource->resume();
+        }
+
+        $this->readable->resume();
+    }
+
+    public function pipe(WritableStreamInterface $dest, array $options = array())
+    {
+        Util::pipe($this, $dest, $options);
+
+        return $dest;
+    }
+
+    public function isWritable()
+    {
+        return $this->writable->isWritable();
+    }
+
+    public function write($data)
+    {
+        return $this->writable->write($data);
+    }
+
+    public function end($data = null)
+    {
+        $this->writable->end($data);
+    }
+
+    public function close()
+    {
+        $this->pipeSource = null;
+
+        $this->readable->close();
+        $this->writable->close();
+    }
+}