private static bool Encode(Http3HeadersEnumerator headersEnumerator, Span <byte> buffer, bool throwIfNoneEncoded, ref int totalHeaderSize, out int length)
{
length = 0;
do
{
var staticTableId = headersEnumerator.QPackStaticTableId;
var name = headersEnumerator.Current.Key;
var value = headersEnumerator.Current.Value;
var valueEncoding = ReferenceEquals(headersEnumerator.EncodingSelector, KestrelServerOptions.DefaultHeaderEncodingSelector)
? null : headersEnumerator.EncodingSelector(name);
if (!EncodeHeader(buffer.Slice(length), staticTableId, name, value, valueEncoding, out var headerLength))
{
if (length == 0 && throwIfNoneEncoded)
{
throw new QPackEncodingException("TODO sync with corefx" /* CoreStrings.HPackErrorNotEnoughBuffer */);
}
return(false);
}
// https://quicwg.org/base-drafts/draft-ietf-quic-http.html#section-4.1.1.3
totalHeaderSize += HeaderField.GetLength(name.Length, value.Length);
length += headerLength;
} while (headersEnumerator.MoveNext());
return(true);
}
private static bool Encode(Http3HeadersEnumerator headersEnumerator, Span <byte> buffer, bool throwIfNoneEncoded, ref int totalHeaderSize, out int length)
{
length = 0;
do
{
// Match the current header to the QPACK static table. Possible outcomes:
// 1. Known header and value. Write index.
// 2. Known header with custom value. Write name index and full value.
// 3. Unknown header. Write full name and value.
var(staticTableId, matchedValue) = headersEnumerator.GetQPackStaticTableId();
var name = headersEnumerator.Current.Key;
var value = headersEnumerator.Current.Value;
int headerLength;
if (matchedValue)
{
if (!QPackEncoder.EncodeStaticIndexedHeaderField(staticTableId, buffer.Slice(length), out headerLength))
{
if (length == 0 && throwIfNoneEncoded)
{
throw new QPackEncodingException("TODO sync with corefx" /* CoreStrings.HPackErrorNotEnoughBuffer */);
}
return(false);
}
}
else
{
var valueEncoding = ReferenceEquals(headersEnumerator.EncodingSelector, KestrelServerOptions.DefaultHeaderEncodingSelector)
? null : headersEnumerator.EncodingSelector(name);
if (!EncodeHeader(buffer.Slice(length), staticTableId, name, value, valueEncoding, out headerLength))
{
if (length == 0 && throwIfNoneEncoded)
{
throw new QPackEncodingException("TODO sync with corefx" /* CoreStrings.HPackErrorNotEnoughBuffer */);
}
return(false);
}
}
// https://quicwg.org/base-drafts/draft-ietf-quic-http.html#section-4.1.1.3
totalHeaderSize += HeaderField.GetLength(name.Length, value.Length);
length += headerLength;
} while (headersEnumerator.MoveNext());
return(true);
}
