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Update Journal File Handling

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Now Correctly deserializes Journal events
This commit is contained in:
Ben Parsons
2024-05-12 12:55:28 +10:00
parent e59ca066ab
commit bd811c861c
29 changed files with 714 additions and 442 deletions
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49
Pulsar/Features/FileWatcherService.cs
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@@ -3,44 +3,67 @@ namespace Pulsar.Features;
using System.Collections.Concurrent;
using Microsoft.Extensions.FileProviders;
public class FileWatcherService(IOptions<PulsarConfiguration> options, IFileHandlerService fileHandlerService) : IHostedService
public class FileWatcherService(IOptions<PulsarConfiguration> options, IFileHandlerService fileHandlerService)
: IHostedService
{
private PhysicalFileProvider watcher = null!;
public Task StartAsync(CancellationToken cancellationToken)
{
if (!Directory.Exists(options.Value.JournalDirectory))
{
throw new Exception($"Directory {options.Value.JournalDirectory} does not exist.");
}
watcher = new PhysicalFileProvider(options.Value.JournalDirectory);
Watch();
// read the journal directory to get the initial files
#if DEBUG
Task.Run(() =>
{
Thread.Sleep(TimeSpan.FromSeconds(10));
HandleFileChanged();
}, cancellationToken);
#else
HandleFileChanged();
#endif
return Task.CompletedTask;
}
ConcurrentDictionary<string, DateTimeOffset> FileDates = new();
private void HandleFileChanged(object? sender)
private void HandleFileChanged(object? sender = null)
{
foreach (var file in watcher.GetDirectoryContents(""))
{
if (file.IsDirectory || !file.Name.EndsWith(".json") && !(file.Name.StartsWith(FileHandlerService.JournalLogFileNameStart) && file.Name.EndsWith(FileHandlerService.JournalLogFileNameEnd)))
if (file.IsDirectory || !file.Name.EndsWith(".json") &&
!(file.Name.StartsWith(FileHandlerService.JournalLogFileNameStart) &&
file.Name.EndsWith(FileHandlerService.JournalLogFileNameEnd)))
{
continue;
}
var existing = FileDates.GetOrAdd(file.PhysicalPath, file.LastModified);
if (existing != file.LastModified)
FileDates.AddOrUpdate(file.PhysicalPath, _ =>
{
fileHandlerService.HandleFile(file.PhysicalPath);
}
Task.Run(() => fileHandlerService.HandleFile(file.PhysicalPath));
return file.LastModified;
}, (_, existing) =>
{
if (existing != file.LastModified)
{
Task.Run(() => fileHandlerService.HandleFile(file.PhysicalPath));
}
return file.LastModified;
});
}
Watch();
}
private void Watch()
{
watcher.Watch("*.*").RegisterChangeCallback(HandleFileChanged, null);