c4217d7b41
Greatly reduces the amount of memory usage when streaming from the server by: 1. Shedding use of an internal MemoryStream 2. Using HttpCompletionOption.ResponseHeadersRead to start reading the stream without loading all of the HttpContent into memory
57 lines
No EOL
1.5 KiB
C#
57 lines
No EOL
1.5 KiB
C#
using System;
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using System.IO;
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using System.Net.Http;
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namespace LANCommander.SDK;
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/// <summary>
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/// A stream to keep track of progress, probably from Http
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/// </summary>
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public class TrackableStream : Stream
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{
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public TrackableStream(Stream stream, long length)
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{
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_stream = stream;
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_length = length;
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}
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private Stream _stream;
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private long _length;
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private long _position;
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public delegate void OnProgressDelegate(long Position, long Length);
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public event OnProgressDelegate OnProgress = delegate { };
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public override void Flush()
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=> _stream.Flush();
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public override int Read(byte[] buffer, int offset, int count)
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{
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var bytesRead = _stream.Read(buffer, offset, count);
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_position += bytesRead;
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OnProgress?.Invoke(_position, _length);
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return bytesRead;
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}
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public override long Seek(long offset, SeekOrigin origin)
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=> _stream.Seek(offset, origin);
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public override void SetLength(long value)
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=> _stream.SetLength(value);
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public override void Write(byte[] buffer, int offset, int count)
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=> _stream.Write(buffer, offset, count);
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public override bool CanRead => _stream.CanRead;
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public override bool CanSeek => _stream.CanSeek;
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public override bool CanWrite => _stream.CanWrite;
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public override long Length => _length;
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public override long Position
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{
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get => _position;
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set => throw new NotImplementedException();
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}
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} |