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https://github.com/duplicati/duplicati.git
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c8b9fb5c73
This PR adds the ability to subscribe to messages over a websocket. To prevent polling data, the server can now push messages through the websocket, so the client can instantly update when new data is available. The change is backwards compatible, still serving the status updates over the socket. If the client is providing the authentication token, it is auto-subscried to the legacy status message. If the client is using the new authentication message, it needs to subscribe to get the status updates (and any other services it needs). The event system has been extended to support new, and more accurate, events. This is the first step towards removing the general status update and the long-poll mechanism. This also re-introduces the blocking marker, so the client can know if the operation is halted due to too many pending transfers. Some endpoints have been moved to service implementations, to allow serving the exact same data from both endpoints and websocket. This PR also updates the way the progress is handled, so that all transfers are returned to the client, and the transfer speeds for each transfer is calculated based on a small sample buffer, so the values are more accurate even if the program is paused during transfers.
100 lines
3.1 KiB
C#
100 lines
3.1 KiB
C#
// Copyright (C) 2025, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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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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namespace Duplicati.Library.Main.Operation.Backup
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{
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/// <summary>
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/// Asynchronous interface that ensures all stat requests
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/// are performed in a sequential manner
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/// </summary>
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internal class BackupStatsCollector
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{
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private readonly BackupResults m_res;
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private readonly SemaphoreSlim semaphoreSlim = new SemaphoreSlim(1, 1);
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public BackupStatsCollector(BackupResults res)
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{
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m_res = res;
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}
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private async Task WithLock(Action action)
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{
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await semaphoreSlim.WaitAsync();
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try
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{
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action();
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}
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finally
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{
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semaphoreSlim.Release();
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}
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}
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public Task AddOpenedFile(long size)
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{
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return WithLock(() =>
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{
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m_res.SizeOfOpenedFiles += size;
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m_res.OpenedFiles++;
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});
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}
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public Task AddTimestampChangedFile()
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{
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return WithLock(() =>
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{
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m_res.TimestampChangedFiles++;
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});
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}
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public Task AddAddedFile(long size)
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{
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return WithLock(() =>
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{
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m_res.SizeOfAddedFiles += size;
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m_res.AddedFiles++;
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});
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}
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public Task AddModifiedFile(long size)
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{
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return WithLock(() =>
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{
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m_res.SizeOfModifiedFiles += size;
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m_res.ModifiedFiles++;
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});
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}
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public Task AddExaminedFile(long size)
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{
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return WithLock(() =>
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{
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m_res.SizeOfExaminedFiles += size;
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m_res.ExaminedFiles++;
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});
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}
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}
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}
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