77 lines
2.7 KiB
C#
77 lines
2.7 KiB
C#
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using Duplicati.Library.Interface;
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namespace Duplicati.Library.Main.Backend;
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#nullable enable
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partial class BackendManager
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{
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/// <summary>
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/// Represents a pending object lock operation
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/// </summary>
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private class SetObjectLockOperation : PendingOperation<bool>
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{
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/// <summary>
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/// The log tag for this class
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/// </summary>
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private static readonly string LOGTAG = Logging.Log.LogTagFromType<SetObjectLockOperation>();
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/// <summary>
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/// The remote filename that should be locked
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/// </summary>
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public override string RemoteFilename { get; }
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/// <summary>
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/// The desired lock expiration time in UTC
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/// </summary>
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public DateTime LockUntilUtc { get; }
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/// <summary>
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/// The operation type
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/// </summary>
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public override BackendActionType Operation => BackendActionType.SetObjectLock;
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/// <summary>
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/// Creates a new SetObjectLockOperation
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/// </summary>
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/// <param name="remoteName">The remote file name to lock</param>
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/// <param name="lockUntilUtc">The UTC timestamp to lock the file until</param>
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/// <param name="context">The execution context</param>
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/// <param name="cancelToken">The cancellation token</param>
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public SetObjectLockOperation(string remoteName, DateTime lockUntilUtc, ExecuteContext context, CancellationToken cancelToken)
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: base(context, true, cancelToken)
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{
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RemoteFilename = remoteName;
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LockUntilUtc = lockUntilUtc;
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}
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/// <inheritdoc />
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public override async Task<bool> ExecuteAsync(IBackend backend, CancellationToken cancelToken)
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{
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if (backend is not ILockingBackend lockingBackend)
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throw new NotSupportedException("Backend does not support object locking operations");
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Context.Statwriter.SendEvent(BackendActionType.SetObjectLock, BackendEventType.Started, RemoteFilename, 0);
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try
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{
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await lockingBackend.SetObjectLockUntilAsync(RemoteFilename, LockUntilUtc, cancelToken).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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Logging.Log.WriteWarningMessage(LOGTAG, "SetObjectLockFailed", ex, "Failed to apply object lock for {0}: {1}", RemoteFilename, ex.Message);
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throw;
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}
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finally
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{
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Context.Statwriter.SendEvent(BackendActionType.SetObjectLock, BackendEventType.Completed, RemoteFilename, 0);
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}
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return true;
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}
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}
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}
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