2020-05-20 15:14:44 +00:00
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/*
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*
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* (c) Copyright Ascensio System Limited 2010-2020
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Threading;
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namespace ASC.Data.Backup
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{
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public static class ActionInvoker
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{
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public static void Try(
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2020-06-15 08:19:40 +00:00
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Action action,
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2020-05-20 15:14:44 +00:00
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int maxAttempts,
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Action<Exception> onFailure = null,
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Action<Exception> onAttemptFailure = null,
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int sleepMs = 1000,
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bool isSleepExponential = true)
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{
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Try(state => action(), null, maxAttempts, onFailure, onAttemptFailure, sleepMs, isSleepExponential);
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}
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public static void Try(
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Action<object> action,
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object state,
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int maxAttempts,
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Action<Exception> onFailure = null,
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Action<Exception> onAttemptFailure = null,
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int sleepMs = 1000,
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bool isSleepExponential = true)
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{
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if (action == null)
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throw new ArgumentNullException("action");
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2020-05-29 14:50:39 +00:00
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var countAttempts = 0;
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2020-05-20 15:14:44 +00:00
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while (countAttempts++ < maxAttempts)
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{
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try
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{
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action(state);
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return;
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}
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catch (Exception error)
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{
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if (countAttempts < maxAttempts)
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2020-06-15 08:19:40 +00:00
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{
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onAttemptFailure?.Invoke(error);
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2020-05-20 15:14:44 +00:00
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2020-06-15 08:19:40 +00:00
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if (sleepMs > 0)
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Thread.Sleep(isSleepExponential ? sleepMs * countAttempts : sleepMs);
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2020-05-20 15:14:44 +00:00
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}
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2020-06-15 08:19:40 +00:00
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else
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2020-05-20 15:14:44 +00:00
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{
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2020-06-15 08:19:40 +00:00
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onFailure?.Invoke(error);
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2020-05-20 15:14:44 +00:00
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}
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}
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}
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}
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}
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}
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