[COMPOSER] Added predis/predis and updated packages

vendor/php-http/client-common/src/HttpClientPool/RoundRobinClientPool.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Http\Client\Common\HttpClientPool;
+
+use Http\Client\Common\Exception\HttpClientNotFoundException;
+use Http\Client\Common\HttpClientPool;
+
+/**
+ * RoundRobinClientPool will choose the next client in the pool.
+ *
+ * @author Joel Wurtz <joel.wurtz@gmail.com>
+ */
+final class RoundRobinClientPool extends HttpClientPool
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function chooseHttpClient()
+    {
+        $last = current($this->clientPool);
+
+        do {
+            $client = next($this->clientPool);
+
+            if (false === $client) {
+                $client = reset($this->clientPool);
+
+                if (false === $client) {
+                    throw new HttpClientNotFoundException('Cannot choose a http client as there is no one present in the pool');
+                }
+            }
+
+            // Case when there is only one and the last one has been disabled
+            if ($last === $client && $client->isDisabled()) {
+                throw new HttpClientNotFoundException('Cannot choose a http client as there is no one enabled in the pool');
+            }
+        } while ($client->isDisabled());
+
+        return $client;
+    }
+}