From c479658f0bb953ded4b29ca573404a318f1e798f Mon Sep 17 00:00:00 2001
From: EoleDev <root@serverpc.home>
Date: Wed, 9 Mar 2016 15:36:02 +0100
Subject: New Library

---
 .../common/src/Common/Resource/HasWaiterTrait.php  | 124 +++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 server/vendor/php-opencloud/common/src/Common/Resource/HasWaiterTrait.php

(limited to 'server/vendor/php-opencloud/common/src/Common/Resource/HasWaiterTrait.php')

diff --git a/server/vendor/php-opencloud/common/src/Common/Resource/HasWaiterTrait.php b/server/vendor/php-opencloud/common/src/Common/Resource/HasWaiterTrait.php
new file mode 100644
index 0000000..519be7e
--- /dev/null
+++ b/server/vendor/php-opencloud/common/src/Common/Resource/HasWaiterTrait.php
@@ -0,0 +1,124 @@
+<?php
+
+namespace OpenCloud\Common\Resource;
+
+use OpenCloud\Common\Error\BadResponseError;
+
+/**
+ * Contains reusable functionality for resources that have long operations which require waiting in
+ * order to reach a particular state.
+ *
+ * @codeCoverageIgnore
+ *
+ * @package OpenCloud\Common\Resource
+ */
+trait HasWaiterTrait
+{
+    /**
+     * Provides a blocking operation until the resource has reached a particular state. The method
+     * will enter a loop, requesting feedback from the remote API until it sends back an appropriate
+     * status.
+     *
+     * @param string $status      The state to be reached
+     * @param int    $timeout     The maximum timeout. If the total time taken by the waiter has reached
+     *                            or exceed this timeout, the blocking operation will immediately cease.
+     * @param int    $sleepPeriod The amount of time to pause between each HTTP request.
+     */
+    public function waitUntil($status, $timeout = 60, $sleepPeriod = 1)
+    {
+        $startTime = time();
+
+        while (true) {
+            $this->retrieve();
+
+            if ($this->status == $status || $this->shouldHalt($timeout, $startTime)) {
+                break;
+            }
+
+            sleep($sleepPeriod);
+        }
+    }
+
+    /**
+     * Provides a blocking operation until the resource has reached a particular state. The method
+     * will enter a loop, executing the callback until TRUE is returned. This provides great
+     * flexibility.
+     *
+     * @param callable $fn          An anonymous function that will be executed on every iteration. You can
+     *                              encapsulate your own logic to determine whether the resource has
+     *                              successfully transitioned. When TRUE is returned by the callback,
+     *                              the loop will end.
+     * @param int|bool $timeout     The maximum timeout in seconds. If the total time taken by the waiter has reached
+     *                              or exceed this timeout, the blocking operation will immediately cease. If FALSE
+     *                              is provided, the timeout will never be considered.
+     * @param int      $sleepPeriod The amount of time to pause between each HTTP request.
+     */
+    public function waitWithCallback(callable $fn, $timeout = 60, $sleepPeriod = 1)
+    {
+        $startTime = time();
+
+        while (true) {
+            $this->retrieve();
+
+            $response = call_user_func_array($fn, [$this]);
+
+            if ($response === true || $this->shouldHalt($timeout, $startTime)) {
+                break;
+            }
+
+            sleep($sleepPeriod);
+        }
+    }
+
+    /**
+     * Internal method used to identify whether a timeout has been exceeded.
+     *
+     * @param bool|int $timeout
+     * @param int      $startTime
+     *
+     * @return bool
+     */
+    private function shouldHalt($timeout, $startTime)
+    {
+        if ($timeout === false) {
+            return false;
+        }
+
+        return time() - $startTime >= $timeout;
+    }
+
+    /**
+     * Convenience method providing a blocking operation until the resource transitions to an
+     * ``ACTIVE`` status.
+     *
+     * @param int|bool $timeout The maximum timeout in seconds. If the total time taken by the waiter has reached
+     *                          or exceed this timeout, the blocking operation will immediately cease. If FALSE
+     *                          is provided, the timeout will never be considered.
+     */
+    public function waitUntilActive($timeout = false)
+    {
+        $this->waitUntil('ACTIVE', $timeout);
+    }
+
+    public function waitUntilDeleted($timeout = 60, $sleepPeriod = 1)
+    {
+        $startTime = time();
+
+        while (true) {
+            try {
+                $this->retrieve();
+            } catch (BadResponseError $e) {
+                if ($e->getResponse()->getStatusCode() === 404) {
+                    break;
+                }
+                throw $e;
+            }
+
+            if ($this->shouldHalt($timeout, $startTime)) {
+                break;
+            }
+
+            sleep($sleepPeriod);
+        }
+    }
+}
-- 
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