Randomize sleep time

Author: GrahamCampbell

composer.json

@@ -21,7 +21,8 @@
         "php": ">=5.5.9",
         "illuminate/contracts": "5.1.*|5.2.*",
         "illuminate/support": "5.1.*|5.2.*",
-        "predis/predis": "^1.0"
+        "predis/predis": "^1.0",
+        "paragonie/random_compat": "^1.1"
     },
     "require-dev": {
         "graham-campbell/testbench": "^3.1",
@@ -42,7 +43,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.0-dev"
+            "dev-master": "1.1-dev"
         }
     },
     "minimum-stability": "dev",

src/Lock.php

@@ -56,11 +56,18 @@ final class Lock
     protected $play;
 
     /**
-     * The reattempt interval in microseconds.
+     * The minimum reattempt interval in microseconds.
      *
      * @var int
      */
-    protected $interval;
+    protected $min;
+
+    /**
+     * The maximum reattempt interval in microseconds.
+     *
+     * @var int
+     */
+    protected $max;
 
     /**
      * The maximum number of trys to acquire the lock.
@@ -101,7 +108,8 @@ public function __construct(ClientInterface $redis, $name, $timeout, $play, $int
         $this->name = $name;
         $this->timeout = $timeout;
         $this->play = $play;
-        $this->interval = $interval * 1000;
+        $this->min = $interval * 500;
+        $this->max = $interval * 1500;
         $this->trys = $trys;
     }
 
@@ -142,7 +150,7 @@ public function acquire()
                 return false;
             }
 
-            usleep($this->interval);
+            usleep(random_int($this->min, $this->max));
         }
     }