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wait for all incoming calls in CachedFileProvider

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rootdarkarchon 2022-12-29 13:24:49 +01:00
parent 4196ab4062
commit a9337eda11
1 changed files with 17 additions and 16 deletions
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33
MareSynchronosServer/MareSynchronosStaticFilesServer/CachedFileProvider.cs
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@ -27,10 +27,11 @@ public class CachedFileProvider
public async Task<FileStream?> GetFileStream(string hash, string auth)
{
var fi = FilePathUtil.GetFileInfoForHash(_basePath, hash);
if (fi == null)
bool hasTransferTask = _currentTransfers.TryGetValue(hash, out var transferTask);
if (fi == null && !hasTransferTask)
{
if (IsMainServer) return null;
if (!_currentTransfers.ContainsKey(hash))
if (transferTask == null)
{
_currentTransfers[hash] = Task.Run(async () =>
{
@ -52,17 +53,14 @@ public class CachedFileProvider
}
var fileName = FilePathUtil.GetFilePath(_basePath, hash);
var fileStream = File.Create(fileName);
await using (fileStream.ConfigureAwait(false))
{
var bufferSize = response.Content.Headers.ContentLength > 1024 * 1024 ? 4096 : 1024;
var buffer = new byte[bufferSize];
using var fileStream = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
var bufferSize = response.Content.Headers.ContentLength > 1024 * 1024 ? 4096 : 1024;
var buffer = new byte[bufferSize];
var bytesRead = 0;
while ((bytesRead = await (await response.Content.ReadAsStreamAsync().ConfigureAwait(false)).ReadAsync(buffer).ConfigureAwait(false)) > 0)
{
await fileStream.WriteAsync(buffer.AsMemory(0, bytesRead)).ConfigureAwait(false);
}
var bytesRead = 0;
while ((bytesRead = await (await response.Content.ReadAsStreamAsync().ConfigureAwait(false)).ReadAsync(buffer).ConfigureAwait(false)) > 0)
{
await fileStream.WriteAsync(buffer.AsMemory(0, bytesRead)).ConfigureAwait(false);
}
_metrics.IncGauge(MetricsAPI.GaugeFilesTotal);
@ -70,11 +68,14 @@ public class CachedFileProvider
});
}
await _currentTransfers[hash].ConfigureAwait(false);
transferTask = _currentTransfers[hash];
}
if (transferTask != null)
{
await transferTask.ConfigureAwait(false);
_currentTransfers.Remove(hash, out _);
fi = FilePathUtil.GetFileInfoForHash(_basePath, hash);
if (fi == null) return null;
}
@ -85,7 +86,7 @@ public class CachedFileProvider
{
try
{
return new FileStream(fi.FullName, FileMode.Open, FileAccess.Read, FileShare.Read);
return new FileStream(fi.FullName, FileMode.Open, FileAccess.Read, FileShare.Inheritable | FileShare.Read);
}
catch (Exception ex)
{