300 lines
11 KiB
C#
300 lines
11 KiB
C#
using System;
|
|
using System.Collections.Concurrent;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using MareSynchronos.Managers;
|
|
using MareSynchronos.Utils;
|
|
using MareSynchronos.WebAPI;
|
|
using Microsoft.EntityFrameworkCore;
|
|
|
|
namespace MareSynchronos.FileCacheDB;
|
|
|
|
public class PeriodicFileScanner : IDisposable
|
|
{
|
|
private readonly IpcManager _ipcManager;
|
|
private readonly Configuration _pluginConfiguration;
|
|
private readonly FileDbManager _fileDbManager;
|
|
private readonly ApiController _apiController;
|
|
private CancellationTokenSource? _scanCancellationTokenSource;
|
|
private Task? _fileScannerTask = null;
|
|
public PeriodicFileScanner(IpcManager ipcManager, Configuration pluginConfiguration, FileDbManager fileDbManager, ApiController apiController)
|
|
{
|
|
Logger.Verbose("Creating " + nameof(PeriodicFileScanner));
|
|
|
|
_ipcManager = ipcManager;
|
|
_pluginConfiguration = pluginConfiguration;
|
|
_fileDbManager = fileDbManager;
|
|
_apiController = apiController;
|
|
_ipcManager.PenumbraInitialized += StartScan;
|
|
if (!string.IsNullOrEmpty(_ipcManager.PenumbraModDirectory()))
|
|
{
|
|
StartScan();
|
|
}
|
|
_apiController.DownloadStarted += _apiController_DownloadStarted;
|
|
_apiController.DownloadFinished += _apiController_DownloadFinished;
|
|
}
|
|
|
|
private void _apiController_DownloadFinished()
|
|
{
|
|
if (fileScanWasRunning)
|
|
{
|
|
fileScanWasRunning = false;
|
|
InvokeScan(true);
|
|
}
|
|
}
|
|
|
|
private void _apiController_DownloadStarted()
|
|
{
|
|
if (IsScanRunning)
|
|
{
|
|
_scanCancellationTokenSource?.Cancel();
|
|
fileScanWasRunning = true;
|
|
}
|
|
}
|
|
|
|
private bool fileScanWasRunning = false;
|
|
private long currentFileProgress = 0;
|
|
public long CurrentFileProgress => currentFileProgress;
|
|
|
|
public long FileCacheSize { get; set; }
|
|
|
|
public bool IsScanRunning => CurrentFileProgress > 0 || TotalFiles > 0;
|
|
|
|
public long TotalFiles { get; private set; }
|
|
|
|
public string TimeUntilNextScan => _timeUntilNextScan.ToString(@"mm\:ss");
|
|
private TimeSpan _timeUntilNextScan = TimeSpan.Zero;
|
|
private int timeBetweenScans => _pluginConfiguration.TimeSpanBetweenScansInSeconds;
|
|
|
|
public void Dispose()
|
|
{
|
|
Logger.Verbose("Disposing " + nameof(PeriodicFileScanner));
|
|
|
|
_ipcManager.PenumbraInitialized -= StartScan;
|
|
_apiController.DownloadStarted -= _apiController_DownloadStarted;
|
|
_apiController.DownloadFinished -= _apiController_DownloadFinished;
|
|
_scanCancellationTokenSource?.Cancel();
|
|
}
|
|
|
|
public void InvokeScan(bool forced = false)
|
|
{
|
|
bool isForced = forced;
|
|
TotalFiles = 0;
|
|
currentFileProgress = 0;
|
|
_scanCancellationTokenSource?.Cancel();
|
|
_scanCancellationTokenSource = new CancellationTokenSource();
|
|
var token = _scanCancellationTokenSource.Token;
|
|
_fileScannerTask = Task.Run(async () =>
|
|
{
|
|
while (!token.IsCancellationRequested)
|
|
{
|
|
isForced |= RecalculateFileCacheSize();
|
|
if (!_pluginConfiguration.FileScanPaused || isForced)
|
|
{
|
|
isForced = false;
|
|
TotalFiles = 0;
|
|
currentFileProgress = 0;
|
|
PeriodicFileScan(token);
|
|
}
|
|
_timeUntilNextScan = TimeSpan.FromSeconds(timeBetweenScans);
|
|
while (_timeUntilNextScan.TotalSeconds >= 0)
|
|
{
|
|
await Task.Delay(TimeSpan.FromSeconds(1), token);
|
|
_timeUntilNextScan -= TimeSpan.FromSeconds(1);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
internal void StartWatchers()
|
|
{
|
|
InvokeScan();
|
|
}
|
|
|
|
public bool RecalculateFileCacheSize()
|
|
{
|
|
FileCacheSize = Directory.EnumerateFiles(_pluginConfiguration.CacheFolder).Sum(f =>
|
|
{
|
|
try
|
|
{
|
|
return new FileInfo(f).Length;
|
|
}
|
|
catch
|
|
{
|
|
return 0;
|
|
}
|
|
});
|
|
|
|
if (FileCacheSize < (long)_pluginConfiguration.MaxLocalCacheInGiB * 1024 * 1024 * 1024) return false;
|
|
|
|
var allFiles = Directory.EnumerateFiles(_pluginConfiguration.CacheFolder)
|
|
.Select(f => new FileInfo(f)).OrderBy(f => f.LastAccessTime).ToList();
|
|
while (FileCacheSize > (long)_pluginConfiguration.MaxLocalCacheInGiB * 1024 * 1024 * 1024)
|
|
{
|
|
var oldestFile = allFiles.First();
|
|
FileCacheSize -= oldestFile.Length;
|
|
File.Delete(oldestFile.FullName);
|
|
allFiles.Remove(oldestFile);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private void PeriodicFileScan(CancellationToken ct)
|
|
{
|
|
TotalFiles = 1;
|
|
var penumbraDir = _ipcManager.PenumbraModDirectory();
|
|
bool penDirExists = true;
|
|
bool cacheDirExists = true;
|
|
if (string.IsNullOrEmpty(penumbraDir) || !Directory.Exists(penumbraDir))
|
|
{
|
|
penDirExists = false;
|
|
Logger.Warn("Penumbra directory is not set or does not exist.");
|
|
}
|
|
if (string.IsNullOrEmpty(_pluginConfiguration.CacheFolder) || !Directory.Exists(_pluginConfiguration.CacheFolder))
|
|
{
|
|
cacheDirExists = false;
|
|
Logger.Warn("Mare Cache directory is not set or does not exist.");
|
|
}
|
|
if (!penDirExists || !cacheDirExists)
|
|
{
|
|
return;
|
|
}
|
|
|
|
Logger.Debug("Getting files from " + penumbraDir + " and " + _pluginConfiguration.CacheFolder);
|
|
string[] ext = { ".mdl", ".tex", ".mtrl", ".tmb", ".pap", ".avfx", ".atex", ".sklb", ".eid", ".phyb", ".scd", ".skp" };
|
|
var penumbraFiles = Directory.EnumerateDirectories(penumbraDir)
|
|
.SelectMany(d => Directory.EnumerateFiles(d, "*.*", SearchOption.AllDirectories)
|
|
.Select(s => new FileInfo(s))
|
|
.Where(f => ext.Contains(f.Extension) && !f.FullName.Contains(@"\bg\") && !f.FullName.Contains(@"\bgcommon\") && !f.FullName.Contains(@"\ui\"))
|
|
.Select(f => f.FullName.ToLowerInvariant())).ToList();
|
|
|
|
var cacheFiles = Directory.EnumerateFiles(_pluginConfiguration.CacheFolder, "*.*", SearchOption.TopDirectoryOnly)
|
|
.Where(f => new FileInfo(f).Name.Length == 40)
|
|
.Select(s => s.ToLowerInvariant());
|
|
|
|
var scannedFiles = new Dictionary<string, bool>(penumbraFiles.Concat(cacheFiles).Select(c => new KeyValuePair<string, bool>(c, false)));
|
|
TotalFiles = scannedFiles.Count;
|
|
|
|
|
|
// scan files from database
|
|
var cpuCount = (int)(Environment.ProcessorCount / 2.0f);
|
|
Task[] dbTasks = Enumerable.Range(0, cpuCount).Select(c => Task.CompletedTask).ToArray();
|
|
using (var db = new FileCacheContext())
|
|
{
|
|
Logger.Debug("Database contains " + db.FileCaches.Count() + " files, local system contains " + TotalFiles);
|
|
ConcurrentBag<FileCacheEntity> entitiesToRemove = new();
|
|
try
|
|
{
|
|
foreach (var entry in db.FileCaches.AsNoTracking())
|
|
{
|
|
var idx = Task.WaitAny(dbTasks, ct);
|
|
dbTasks[idx] = Task.Run(() =>
|
|
{
|
|
try
|
|
{
|
|
var file = _fileDbManager.ValidateFileCacheEntity(entry);
|
|
if (file != null)
|
|
{
|
|
scannedFiles[file.Filepath] = true;
|
|
}
|
|
else
|
|
{
|
|
entitiesToRemove.Add(entry);
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Warn("Failed validating " + entry.Filepath);
|
|
Logger.Warn(ex.Message);
|
|
entitiesToRemove.Add(entry);
|
|
}
|
|
|
|
Interlocked.Increment(ref currentFileProgress);
|
|
Thread.Sleep(1);
|
|
}, ct);
|
|
|
|
if (ct.IsCancellationRequested) return;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Warn("Error during enumerating FileCaches: " + ex.Message);
|
|
}
|
|
|
|
try
|
|
{
|
|
if (entitiesToRemove.Any())
|
|
{
|
|
foreach (var entry in entitiesToRemove)
|
|
{
|
|
Logger.Debug("Removing " + entry.Filepath);
|
|
var toRemove = db.FileCaches.First(f => f.Filepath == entry.Filepath && f.Hash == entry.Hash);
|
|
db.FileCaches.Remove(toRemove);
|
|
}
|
|
|
|
db.SaveChanges();
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Warn(ex.Message);
|
|
}
|
|
}
|
|
|
|
Task.WaitAll(dbTasks);
|
|
|
|
Logger.Debug("Scanner validated existing db files");
|
|
|
|
if (ct.IsCancellationRequested) return;
|
|
|
|
// scan new files
|
|
foreach (var chunk in scannedFiles.Where(c => c.Value == false).Chunk(cpuCount))
|
|
{
|
|
Task[] tasks = chunk.Select(c => Task.Run(() =>
|
|
{
|
|
try
|
|
{
|
|
var entry = _fileDbManager.CreateFileEntry(c.Key);
|
|
if (entry == null) _ = _fileDbManager.CreateCacheEntry(c.Key);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Warn("Failed adding " + c.Key);
|
|
Logger.Warn(ex.Message);
|
|
}
|
|
|
|
Interlocked.Increment(ref currentFileProgress);
|
|
})).ToArray();
|
|
|
|
Task.WaitAll(tasks, ct);
|
|
|
|
Thread.Sleep(3);
|
|
|
|
if (ct.IsCancellationRequested) return;
|
|
}
|
|
|
|
Logger.Debug("Scanner added new files to db");
|
|
|
|
Logger.Debug("Scan complete");
|
|
TotalFiles = 0;
|
|
currentFileProgress = 0;
|
|
|
|
if (!_pluginConfiguration.InitialScanComplete)
|
|
{
|
|
_pluginConfiguration.InitialScanComplete = true;
|
|
_pluginConfiguration.Save();
|
|
}
|
|
}
|
|
|
|
private void StartScan()
|
|
{
|
|
if (!_ipcManager.Initialized || !_pluginConfiguration.HasValidSetup()) return;
|
|
Logger.Verbose("Penumbra is active, configuration is valid, starting watchers and scan");
|
|
InvokeScan(true);
|
|
}
|
|
}
|