Readd Credis

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 1.4.2 (2018-05-30)
+- Reimplemented credis due to issues with Redis: Connection Closed.
+
 ## 1.4.1 (2018-05-29) 
 - Updated travis builds to run on PHP 7.0, 7.1 and 7.2.
 - Added ability to specify multiple log levels. [DEBUG/INFO/NOTICE/WARNING/ERROR/CRITICAL/ALERT/EMERGENCY]
@@ -7,7 +10,7 @@
 
 ## 1.4 (2018-05-25)
 - Forked from chrisboulton/php-resque.
-- Replaced credis (rather unmaintained) in favour of phpredis.
+- Replaced credis in favour of phpredis.
 - Reformatted codebase to be PSR2 compliant.
 
 

composer.json

@@ -1,6 +1,6 @@
 {
 	"name": "idanoo/php-resque",
-	"version": "1.4.1",
+	"version": "1.4.2",
 	"type": "library",
 	"description": "Redis backed library for creating background jobs and processing them later. Based on resque for Ruby. Originally forked from chrisboulton/php-resque.",
 	"keywords": ["job", "background", "redis", "resque"],
@@ -13,10 +13,11 @@
 		}
 	],
 	"require": {
-		"php": ">=7.0.0",
+		"php": "^7.0",
 		"ext-pcntl": "*",
 		"ext-redis": "*",
-		"psr/log": "~1.0"
+		"psr/log": "~1.0",
+		"colinmollenhour/credis": "^1.10"
 	},
 	"suggest": {
 		"ext-proctitle": "Allows php-resque to rename the title of UNIX processes to show the status of a worker."

lib/Resque/Redis.php

@@ -10,6 +10,12 @@
 
 class Resque_Redis
 {
+    /**
+     * Redis Client
+     * @var Credis_Client
+     */
+    private $driver;
+
     /**
      * Redis namespace
      * @var string
@@ -110,41 +116,36 @@ class Resque_Redis
      * @param string|array $server A DSN or array
      * @param int $database A database number to select. However, if we find a valid database number in the DSN the
      *                      DSN-supplied value will be used instead and this parameter is ignored.
-     * @param object $client Optional Credis_Cluster or Credis_Client instance instantiated by you
+     * @param object $client Optional Credis_Client instance instantiated by you
      * @throws Resque_RedisException
      */
     public function __construct($server, $database = null, $client = null)
     {
         try {
             if (is_object($client)) {
-                $this->redisConnection = $client;
+                $this->driver = $client;
             } else {
                 /** @noinspection PhpUnusedLocalVariableInspection */
                 list($host, $port, $dsnDatabase, $user, $password, $options) = self::parseDsn($server);
                 // $user is not used, only $password
                 $timeout = isset($options['timeout']) ? intval($options['timeout']) : null;
-
-                $this->redisConnection = new Redis();
-
-                if (!$this->redisConnection->connect($host, $port, $timeout)) {
-                    throw new RedisException("Connection Failed to Redis!");
-                };
-
+                $persistent = isset($options['persistent']) ? $options['persistent'] : '';
+                $maxRetries = isset($options['max_connect_retries']) ? $options['max_connect_retries'] : 0;
+                $this->driver = new Credis_Client($host, $port, $timeout, $persistent);
+                $this->driver->setMaxConnectRetries($maxRetries);
                 if ($password) {
-                    $this->redisConnection->auth($password);
+                    $this->driver->auth($password);
                 }
-
                 // If we have found a database in our DSN, use it instead of the `$database`
                 // value passed into the constructor.
                 if ($dsnDatabase !== false) {
                     $database = $dsnDatabase;
                 }
-
-                if ($database) {
-                    $this->redisConnection->select($database);
             }
+            if ($database !== null) {
+                $this->driver->select($database);
             }
-        } catch (RedisException $e) {
+        } catch (Exception $e) {
             throw new Resque_RedisException('Error communicating with Redis: ' . $e->getMessage(), 0, $e);
         }
     }
@@ -245,8 +246,8 @@ class Resque_Redis
             }
         }
         try {
-            return call_user_func_array([$this->redisConnection, $name], $args);
-        } catch (Exception $e) {
+            return $this->driver->__call($name, $args);
+        } catch (CredisException $e) {
             throw new Resque_RedisException('Error communicating with Redis: ' . $e->getMessage(), 0, $e);
         }
     }

test/Resque/Tests/TestCase.php

@@ -20,10 +20,8 @@ class Resque_Tests_TestCase extends PHPUnit\Framework\TestCase
 
     public function setUp()
     {
-        // Setup redis connection on DB 9 for testing.
-        $this->redis = new Redis();
-        $this->redis->connect('localhost');
-
+        // Setup redis connection for testing.
+        $this->redis = new Credis_Client('localhost', '6379');
         Resque::setBackend('localhost');
         $this->redis->flushAll();
     }