Files
ClubPenguinServer/MareSynchronosServer/MareSynchronosStaticFilesServer/Controllers/CacheController.cs

56 lines
2.1 KiB
C#

using MareSynchronos.API.Routes;
using MareSynchronosStaticFilesServer.Services;
using MareSynchronosStaticFilesServer.Utils;
using Microsoft.AspNetCore.Mvc;
using System.Globalization;
using System.Text;
namespace MareSynchronosStaticFilesServer.Controllers;
[Route(MareFiles.Cache)]
public class CacheController : ControllerBase
{
private readonly RequestFileStreamResultFactory _requestFileStreamResultFactory;
private readonly CachedFileProvider _cachedFileProvider;
private readonly RequestQueueService _requestQueue;
private readonly FileStatisticsService _fileStatisticsService;
public CacheController(ILogger<CacheController> logger, RequestFileStreamResultFactory requestFileStreamResultFactory,
CachedFileProvider cachedFileProvider, RequestQueueService requestQueue, FileStatisticsService fileStatisticsService) : base(logger)
{
_requestFileStreamResultFactory = requestFileStreamResultFactory;
_cachedFileProvider = cachedFileProvider;
_requestQueue = requestQueue;
_fileStatisticsService = fileStatisticsService;
}
[HttpGet(MareFiles.Cache_Get)]
public async Task<IActionResult> GetFiles(Guid requestId)
{
_logger.LogDebug($"GetFile:{MareUser}:{requestId}");
if (!_requestQueue.IsActiveProcessing(requestId, MareUser, out var request)) return BadRequest();
_requestQueue.ActivateRequest(requestId);
Response.ContentType = "application/octet-stream";
long requestSize = 0;
var streamList = new List<Stream>();
foreach (var file in request.FileIds)
{
var fs = await _cachedFileProvider.GetAndDownloadFileStream(file);
if (fs == null) continue;
var headerBytes = Encoding.ASCII.GetBytes("#" + file + ":" + fs.Length.ToString(CultureInfo.InvariantCulture) + "#");
streamList.Add(new MemoryStream(headerBytes));
streamList.Add(fs);
requestSize += fs.Length;
}
_fileStatisticsService.LogRequest(requestSize);
return _requestFileStreamResultFactory.Create(requestId, new ConcatenatedStreamReader(streamList));
}
}