Revert "Issue #2882796 by Dave Reid, anish.a, jmullikin: Add support …

…for persistent connections to redis host"

This reverts commit 1576054.

README.md

@@ -141,13 +141,6 @@ If your Redis instance is remote, you can use this syntax:
 
 Port is optional, default is 6379 (default Redis port).
 
-Use persistent connections
---------------------------
-
-This mode needs the following setting:
-
-    $settings['redis.connection']['persistent'] = TRUE;
-
 Using a specific database
 -------------------------
 

src/Client/PhpRedis.php

@@ -14,7 +14,7 @@ class PhpRedis implements ClientInterface {
   /**
    * {@inheritdoc}
    */
-  public function getClient($host = NULL, $port = NULL, $base = NULL, $password = NULL, $persistent = FALSE) {
+  public function getClient($host = NULL, $port = NULL, $base = NULL, $password = NULL) {
     $client = new \Redis();
 
     // Sentinel mode, get the real master.
@@ -25,12 +25,7 @@ public function getClient($host = NULL, $port = NULL, $base = NULL, $password =
       }
     }
 
-    if ($persistent) {
-      $client->pconnect($host, $port);
-    }
-    else {
-      $client->connect($host, $port);
-    }
+    $client->connect($host, $port);
 
     if (isset($password)) {
       $client->auth($password);

src/Client/Predis.php

@@ -11,13 +11,12 @@
  */
 class Predis implements ClientInterface {
 
-  public function getClient($host = NULL, $port = NULL, $base = NULL, $password = NULL, $replicationHosts = NULL, $persistent = FALSE) {
+  public function getClient($host = NULL, $port = NULL, $base = NULL, $password = NULL, $replicationHosts = NULL) {
     $connectionInfo = [
       'password' => $password,
       'host'     => $host,
       'port'     => $port,
-      'database' => $base,
-      'persistent' => $persistent
+      'database' => $base
     ];
 
     foreach ($connectionInfo as $key => $value) {
@@ -37,15 +36,13 @@ public function getClient($host = NULL, $port = NULL, $base = NULL, $password =
       $parameters = [];
 
       foreach ($replicationHosts as $replicationHost) {
-        $param = 'tcp://' . $replicationHost['host'] . ':' . $replicationHost['port']
-          . '?persistent=' . (($persistent) ? 'true' : 'false');
-
         // Configure master.
         if ($replicationHost['role'] === 'primary') {
-          $param .= '&alias=master';
+          $parameters[] = 'tcp://' . $replicationHost['host'] . ':' . $replicationHost['port'] . '?alias=master';
+        }
+        else {
+          $parameters[] = 'tcp://' . $replicationHost['host'] . ':' . $replicationHost['port'];
         }
-
-        $parameters[] = $param;
       }
 
       $options = ['replication' => true];

src/ClientFactory.php

@@ -150,7 +150,6 @@ public static function getClient() {
         'port' => self::REDIS_DEFAULT_PORT,
         'base' => self::REDIS_DEFAULT_BASE,
         'password' => self::REDIS_DEFAULT_PASSWORD,
-        'persistent' => FALSE,
       ];
 
       // If using replication, lets create the client appropriately.
@@ -166,16 +165,14 @@ public static function getClient() {
           $settings['port'],
           $settings['base'],
           $settings['password'],
-          $settings['replication.host'],
-          $settings['persistent']);
+          $settings['replication.host']);
       }
       else {
         self::$_client = self::getClientInterface()->getClient(
           $settings['host'],
           $settings['port'],
           $settings['base'],
-          $settings['password'],
-          $settings['persistent']);
+          $settings['password']);
       }
     }
 

src/ClientInterface.php

@@ -12,7 +12,7 @@ interface ClientInterface {
    * @return mixed
    *   Real client depends from the library behind.
    */
-  public function getClient($host = NULL, $port = NULL, $base = NULL, $password = NULL, $persistent = FALSE);
+  public function getClient($host = NULL, $port = NULL, $base = NULL);
 
   /**
    * Get underlaying library name used.