The next generation of the Teknik Services. Written in ASP.NET. https://www.teknik.io/
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using Microsoft.AspNetCore.Http;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
namespace Teknik.Utilities
{
public static class ResponseHelper
{
public async static Task StreamToOutput(HttpResponse response, bool flush, Stream stream, int length, int chunkSize)
{
try
{
int processedBytes = 0;
byte[] buffer = new byte[chunkSize];
int bytesRemaining = length;
int bytesToRead = chunkSize;
do
{
if (chunkSize > bytesRemaining)
{
bytesToRead = bytesRemaining;
}
processedBytes = stream.Read(buffer, 0, bytesToRead);
if (processedBytes > 0)
{
await response.Body.WriteAsync(buffer, 0, processedBytes);
// Flush the response
if (flush)
{
await response.Body.FlushAsync();
}
// Clear the buffer
Array.Clear(buffer, 0, chunkSize);
// decrement the total bytes remaining to process
bytesRemaining -= processedBytes;
}
}
while (processedBytes > 0 && bytesRemaining > 0);
}
catch (Exception)
{
// Don't worry about it. Just leave
await response.Body.FlushAsync();
}
finally
{
await response.Body.FlushAsync();
// dispose of file stream
stream?.Dispose();
}
}
}
}