static byte[] GenerateHeaderBytes(Http3HeadersEnumerator enumerator)
{
var buffer = new byte[1024 * 1024];
var totalHeaderSize = 0;
var success = QPackHeaderWriter.BeginEncodeHeaders(enumerator, buffer, ref totalHeaderSize, out var length);
if (!success)
{
throw new InvalidOperationException();
}
return(buffer[..length]);
public async Task SendHeadersAsync(Http3HeadersEnumerator headers, bool endStream = false)
{
var headersTotalSize = 0;
var buffer = _headerHandler.HeaderEncodingBuffer.AsMemory();
var done = QPackHeaderWriter.BeginEncode(headers, buffer.Span, ref headersTotalSize, out var length);
if (!done)
{
throw new InvalidOperationException("Headers not sent.");
}
await SendFrameAsync(Http3FrameType.Headers, buffer.Slice(0, length), endStream);
}
public void BeginEncodeHeaders_StatusWithIndexedValue_ExpectedLength(int statusCode)
{
Span <byte> buffer = new byte[1024 * 16];
var totalHeaderSize = 0;
var headers = new HttpResponseHeaders();
var enumerator = new Http3HeadersEnumerator();
enumerator.Initialize(headers);
Assert.True(QPackHeaderWriter.BeginEncodeHeaders(statusCode, enumerator, buffer, ref totalHeaderSize, out var length));
length -= 2; // Remove prefix
Assert.True(length <= 2, "Indexed header should be encoded into 1 or 2 bytes");
}
public void BeginEncodeHeaders_StatusWithIndexedValue_WriteIndex()
{
Span <byte> buffer = new byte[1024 * 16];
var totalHeaderSize = 0;
var headers = new HttpResponseHeaders();
var enumerator = new Http3HeadersEnumerator();
enumerator.Initialize(headers);
Assert.True(QPackHeaderWriter.BeginEncodeHeaders(200, enumerator, buffer, ref totalHeaderSize, out var length));
var result = buffer.Slice(0, length).ToArray();
var hex = BitConverter.ToString(result);
Assert.Equal("00-00-D9", hex);
}
public void BeginEncodeHeaders_NoStatus_NonStaticKey_WriteFullNameAndFullValue()
{
Span <byte> buffer = new byte[1024 * 16];
var headers = (IHeaderDictionary) new HttpResponseHeaders();
headers.Translate = "private";
var totalHeaderSize = 0;
var enumerator = new Http3HeadersEnumerator();
enumerator.Initialize(headers);
Assert.True(QPackHeaderWriter.BeginEncodeHeaders(enumerator, buffer, ref totalHeaderSize, out var length));
var result = buffer.Slice(2, length - 2).ToArray();
var hex = BitConverter.ToString(result);
Assert.Equal("37-02-74-72-61-6E-73-6C-61-74-65-07-70-72-69-76-61-74-65", hex);
}
public void BeginEncodeHeaders_StaticKeyAndValue_WriteIndex()
{
Span <byte> buffer = new byte[1024 * 16];
var headers = (IHeaderDictionary) new HttpResponseHeaders();
headers.ContentType = "application/json";
var totalHeaderSize = 0;
var enumerator = new Http3HeadersEnumerator();
enumerator.Initialize(headers);
Assert.True(QPackHeaderWriter.BeginEncodeHeaders(enumerator, buffer, ref totalHeaderSize, out var length));
var result = buffer.Slice(2, length - 2).ToArray(); // trim prefix
var hex = BitConverter.ToString(result);
Assert.Equal("EE", hex);
}
public void BeginEncodeHeaders_StaticKey_WriteStaticNameAndFullValue()
{
Span <byte> buffer = new byte[1024 * 16];
var headers = (IHeaderDictionary) new HttpResponseHeaders();
headers.ContentType = "application/custom";
var totalHeaderSize = 0;
var enumerator = new Http3HeadersEnumerator();
enumerator.Initialize(headers);
Assert.True(QPackHeaderWriter.BeginEncodeHeaders(enumerator, buffer, ref totalHeaderSize, out var length));
var result = buffer.Slice(2, length - 2).ToArray();
var hex = BitConverter.ToString(result);
Assert.Equal("5F-1D-12-61-70-70-6C-69-63-61-74-69-6F-6E-2F-63-75-73-74-6F-6D", hex);
}
public void BeginEncodeHeaders_NonStaticKey_WriteFullNameAndFullValue_CustomHeader()
{
Span <byte> buffer = new byte[1024 * 16];
var headers = (IHeaderDictionary) new HttpResponseHeaders();
headers["new-header"] = "value";
var totalHeaderSize = 0;
var enumerator = new Http3HeadersEnumerator();
enumerator.Initialize(headers);
Assert.True(QPackHeaderWriter.BeginEncodeHeaders(enumerator, buffer, ref totalHeaderSize, out var length));
var result = buffer.Slice(2, length - 2).ToArray(); // trim prefix
var hex = BitConverter.ToString(result);
Assert.Equal("37-03-6E-65-77-2D-68-65-61-64-65-72-05-76-61-6C-75-65", hex);
}
