add socketClientFlags

close #31

Author: hugh-lee

CHANGELOG.md

@@ -7,6 +7,7 @@ Yii Framework 2 redis extension Change Log
 - Bug #22: Fixed string escaping issue in LuaScriptBuilder (vistart)
 - Bug #37: Fixed detection of open socket (mirocow)
 - Bug #46: Fixed bug to execute session_regenerate_id in PHP 7.0 (githubjeka)
+- Enh #31: Added `Connection::$socketClientFlags` property for connection flags to be passed to `stream_socket_client()` (hugh-lee)
 - Chg #14: Added missing `BLPOP` to `$redisCommands` (samdark)   
 
 2.0.4 May 10, 2015

Connection.php

@@ -76,6 +76,13 @@ class Connection extends Component
      * @var float timeout to use for redis socket when reading and writing data. If not set the php default value will be used.
      */
     public $dataTimeout = null;
+    /**
+     * @var integer Bitmask field which may be set to any combination of connection flags passed to [stream_socket_client()](http://php.net/manual/en/function.stream-socket-client.php).
+     * Currently the select of connection flags is limited to `STREAM_CLIENT_CONNECT` (default), `STREAM_CLIENT_ASYNC_CONNECT` and `STREAM_CLIENT_PERSISTENT`.
+     * @see http://php.net/manual/en/function.stream-socket-client.php
+     * @since 2.0.5
+     */
+    public $socketClientFlags = STREAM_CLIENT_CONNECT;
     /**
      * @var array List of available redis commands http://redis.io/commands
      */
@@ -263,7 +270,8 @@ public function open()
             $this->unixSocket ? 'unix://' . $this->unixSocket : 'tcp://' . $this->hostname . ':' . $this->port,
             $errorNumber,
             $errorDescription,
-            $this->connectionTimeout ? $this->connectionTimeout : ini_get("default_socket_timeout")
+            $this->connectionTimeout ? $this->connectionTimeout : ini_get("default_socket_timeout"),
+            $this->socketClientFlags
         );
         if ($this->_socket) {
             if ($this->dataTimeout !== null) {