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Raise the response read buffer to 128KiB #150

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Merged
MDA2AV merged 1 commit into from
Aug 15, 2026
Merged

Raise the response read buffer to 128KiB #150

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8 changes: 7 additions & 1 deletion src/Http11Probe/Client/RawTcpClient.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,12 @@ namespace Http11Probe.Client;

public sealed class RawTcpClient : IAsyncDisposable
{
// Responses are read into a single fixed buffer and truncated at its size. Keep this above the
// largest payload any test sends — 100,000 bytes (MAL-LONG-URL, MAL-LONG-HEADER-NAME,
// MAL-LONG-HEADER-VALUE, MAL-LONG-METHOD) — so a server that echoes one back in an error
// response doesn't get cut off and misread as a truncated reply.
private const int ReadBufferSize = 128 * 1024;

private Socket? _socket;
private readonly TimeSpan _connectTimeout;
private readonly TimeSpan _readTimeout;
Expand Down Expand Up @@ -60,7 +66,7 @@ public async Task SendAsync(ReadOnlyMemory<byte> data)
if (_socket is null)
return ([], 0, ConnectionState.Error, false);

var buffer = new byte[65536];
var buffer = new byte[ReadBufferSize];
var totalRead = 0;

using var cts = new CancellationTokenSource(_readTimeout);
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