readBytes fix-read-endless-loop

src/Engine/AbstractSocketIO.php

@@ -21,6 +21,7 @@
 use ElephantIO\Payload\Decoder;
 use ElephantIO\Exception\UnsupportedActionException;
 use ElephantIO\Exception\MalformedUrlException;
+use ElephantIO\Exception\ServerConnectionFailureException;
 
 abstract class AbstractSocketIO implements EngineInterface
 {
@@ -112,9 +113,15 @@ protected function readBytes($bytes)
     {
         $data = '';
         $chunk = null;
+        $i = 0;
         while ($bytes > 0 && false !== ($chunk = \fread($this->stream, $bytes))) {
+            if ($i > 2) {
+                throw new ServerConnectionFailureException('fread times error');
+            }
+
             $bytes -= \strlen($chunk);
             $data .= $chunk;
+            $i++;
         }
 
         if (false === $chunk) {
@@ -136,6 +143,7 @@ public function read()
         }
 
         $this->keepAlive();
+
         /*
          * The first byte contains the FIN bit, the reserved bits, and the
          * opcode... We're not interested in them. Yet.

src/Engine/SocketIO/Version1X.php

@@ -126,6 +126,7 @@ public function write($code, $message = null)
         }
 
         $payload = new Encoder($code . $message, Encoder::OPCODE_TEXT, true);
+
         $bytes = @\fwrite($this->stream, (string) $payload);
 
         if ($bytes === false){