add microseconds to key of online users

.travis.yml

@@ -2,6 +2,7 @@ language: php
 
 php:
 - 7.1
+- 7.2
 
 sudo: false
 

docs/tests.md

@@ -107,8 +107,8 @@ $config['databases']['redis']['hostname'] = 'redis';
 language: php
 
 php:
-- 7.0
 - 7.1
+- 7.2
 
 sudo: false
 
@@ -186,9 +186,9 @@ PHPStorm, попробуйте её.
 version: '2'
 services:
   php:
-    image: bscheshir/codeception:php7.1.9-fpm-yii2 #contain phpunit
+    image: bscheshir/codeception:php7.2.1-fpm-alpine-yii2 #contain phpunit
     volumes:
-      - ..:/project #src and tests shared to container
+      - ..:/var/www/html #src and tests shared to container
       - ~/.composer/cache:/root/.composer/cache
     environment:
       TZ: Europe/Moscow
@@ -197,7 +197,7 @@ services:
     depends_on:
       - redis
   redis:
-    image: redis:4.0.1-alpine
+    image: redis:4.0.7-alpine
     restart: always
     ports:
       - "6379"
@@ -271,15 +271,15 @@ $ docker-compose -f ./tests/docker-compose.yml run --rm --entrypoint composer ph
 
 Например, вывод может выглядить так:
 ```sh
-docker-compose://[/home/dev/projects/yii2-redis-session/tests/docker-compose.yml]:php/php /repo/vendor/phpunit/phpunit/phpunit --configuration /project/phpunit.xml.dist --teamcity
-Testing started at 13:58 ...
-PHPUnit 5.7.21 by Sebastian Bergmann and contributors.
+Testing started at 13:10 ...
+docker-compose://[/home/dev/projects/yii2-redis-session/tests/docker-compose.yml]:php/php /repo/vendor/phpunit/phpunit/phpunit --configuration /var/www/html/phpunit.xml.dist --teamcity
+PHPUnit 6.5.1 by Sebastian Bergmann and contributors.
 
 
 
-Time: 76 ms, Memory: 6.00MB
+Time: 108 ms, Memory: 8.00MB
 
-OK (24 tests, 48 assertions)
+OK (26 tests, 52 assertions)
 
 Process finished with exit code 0
 ``` 

src/Session.php

@@ -54,7 +54,7 @@ public function writeSession($id, $data)
         if ($result && ($userIdentity = \Yii::$app->user->getIdentity(false) ?? false)) {
             $userIdentityId = $userIdentity->getId() ?? 0;
             $key = $this->keyUser($userIdentityId);
-            $result = (bool) $this->redis->zadd($key, 'CH', time(), $id);
+            $result = (bool) $this->redis->zadd($key, 'CH', $this->time(), $id);
             $result = $result && (bool) $this->redis->set($this->keySession($id), $userIdentityId);
         }
 
@@ -105,8 +105,8 @@ public function removeExpired()
         if ($keys = $this->redis->keys($this->maskUser())) {
             foreach ($keys ?? [] as $key) {
                 $this->redis->multi();
-                $this->redis->zrangebyscore($key, '-inf', time() - $this->getTimeout());
-                $this->redis->zremrangebyscore($key, '-inf', time() - $this->getTimeout());
+                $this->redis->zrangebyscore($key, '-inf', $this->expiredTime());
+                $this->redis->zremrangebyscore($key, '-inf', $this->expiredTime());
                 $exec = $this->redis->exec();
                 if ($sessionIds = $exec[0]) {
                     $this->redis->del(...array_map(function ($sessionId){
@@ -168,6 +168,30 @@ public function getActiveSessions(): array
         return $sessions;
     }
 
+    /**
+     * Get the timestamp of the start of the request with microsecond precision.
+     */
+    public function time()
+    {
+        return $_SERVER["REQUEST_TIME_FLOAT"];
+    }
+
+    /**
+     * Get the timestamp of the expiry of session
+     * @param bool $cached save first-time calculated value
+     * @return float
+     */
+    public function expiredTime($cached = true)
+    {
+        if ($cached) {
+            return $this->expiredTimeCache ?: $this->expiredTimeCache = $this->time() - $this->getTimeout();
+        }
+
+        return $this->time() - $this->getTimeout();
+    }
+
+    protected $expiredTimeCache = null;
+
     /**
      * Get internal key for store/read a sorted list of sessions
      * @param int $userIdentityId user identity id
@@ -235,10 +259,10 @@ protected function prefixSession(): string
     private function getSessionIdsByKey(string $key, bool $withScores = false): array
     {
         if ($withScores) {
-            return $this->redis->zrevrangebyscore($key, time(), time() - $this->getTimeout(), 'WITHSCORES');
+            return $this->redis->zrevrangebyscore($key, $this->time(), $this->expiredTime(), 'WITHSCORES');
         }
 
-        return $this->redis->zrevrangebyscore($key, time(), time() - $this->getTimeout());
+        return $this->redis->zrevrangebyscore($key, $this->time(), $this->expiredTime());
     }
 
     /**

tests/SessionTest.php

@@ -74,6 +74,22 @@ public function sessionDataProvider()
         ];
     }
 
+    public function testTime()
+    {
+        $this->mockWebApplication();
+        $session = \Yii::$app->session;
+        $this->assertEquals($_SERVER["REQUEST_TIME_FLOAT"], $session->time());
+    }
+
+    public function testExpiredTime()
+    {
+        $this->mockWebApplication();
+        $session = \Yii::$app->session;
+        $this->assertEquals($_SERVER["REQUEST_TIME_FLOAT"] - $session->getTimeout(), $session->expiredTime(), 0.0000004);
+        $expired = [$session->expiredTime(false), $session->expiredTime(false)];
+        $this->assertEquals($expired[0], $expired[1], 0.0000004);
+    }
+
     /**
      * Test write session
      * @dataProvider sessionDataProvider
@@ -138,7 +154,7 @@ public function testGetOnlineUsers()
                 /** @var \bscheshirwork\redis\Session $session */
                 $session = \Yii::$app->session;
                 $this->assertTrue($session->writeSession($sessionId, $sessionData));
-                $time[$key] = time();
+                $time[$key] = $_SERVER["REQUEST_TIME_FLOAT"];
             }
         }
 

tests/docker-compose.yml

@@ -6,9 +6,9 @@
 version: '2'
 services:
   php:
-    image: bscheshir/codeception:php7.1.9-fpm-yii2 #contain phpunit
+    image: bscheshir/codeception:php7.2.1-fpm-alpine-yii2 #contain phpunit
     volumes:
-      - ..:/project #src and tests shared to container
+      - ..:/var/www/html #src and tests shared to container
       - ~/.composer/cache:/root/.composer/cache
     environment:
       TZ: Europe/Moscow
@@ -17,7 +17,7 @@ services:
     depends_on:
       - redis
   redis:
-    image: redis:4.0.1-alpine
+    image: redis:4.0.7-alpine
     restart: always
     ports:
       - "6379"