internal HttpContentLengthField(byte[] fieldValue)
: base(FieldName, fieldValue)
{
HttpParser parser = new HttpParser(fieldValue);
uint? contentLength;
parser.DecimalNumber(out contentLength);
if (!parser.Success)
{
return;
}
ContentLength = contentLength;
}
private static Datagram ParseChunkedBody(byte[] buffer, int offset, int length)
{
List <Datagram> contentData = new List <Datagram>();
HttpParser parser = new HttpParser(buffer, offset, length);
uint? chunkSize;
while (parser.HexadecimalNumber(out chunkSize).SkipChunkExtensions().CarriageReturnLineFeed().Success)
{
uint chunkSizeValue = chunkSize.Value;
if (chunkSizeValue == 0)
{
int?endOffset;
GetHeaderFields(out endOffset, buffer, parser.Offset, offset + length - parser.Offset);
if (endOffset != null)
{
parser.Skip(endOffset.Value - parser.Offset);
}
break;
}
int actualChunkSize = (int)Math.Min(chunkSizeValue, offset + length - parser.Offset);
contentData.Add(new Datagram(buffer, parser.Offset, actualChunkSize));
parser.Skip(actualChunkSize);
parser.CarriageReturnLineFeed();
}
int contentLength = contentData.Sum(datagram => datagram.Length);
byte[] contentBuffer = new byte[contentLength];
int contentBufferOffset = 0;
foreach (Datagram datagram in contentData)
{
datagram.Write(contentBuffer, contentBufferOffset);
contentBufferOffset += datagram.Length;
}
return(new Datagram(buffer, offset, parser.Offset - offset));
}
internal static List <KeyValuePair <string, IEnumerable <byte> > > GetHeaderFields(out int?endOffset, byte[] buffer, int offset, int length)
{
endOffset = null;
var headerFields = new List <KeyValuePair <string, IEnumerable <byte> > >();
HttpParser parser = new HttpParser(buffer, offset, length);
while (parser.Success)
{
if (parser.IsCarriageReturnLineFeed())
{
endOffset = parser.Offset + 2;
break;
}
string fieldName;
IEnumerable <byte> fieldValue;
parser.Token(out fieldName).Colon().FieldValue(out fieldValue).CarriageReturnLineFeed();
if (parser.Success)
{
headerFields.Add(new KeyValuePair <string, IEnumerable <byte> >(fieldName, fieldValue));
}
}
return(headerFields);
}
