private static ParseInfo Parse(byte[] buffer, int offset, int length)
{
// First Line
HttpParser parser = new HttpParser(buffer, offset, length);
string method;
string uri;
HttpVersion version;
parser.Token(out method).Space().RequestUri(out uri).Space().Version(out version).CarriageReturnLineFeed();
ParseInfo parseInfo = new ParseInfo
{
Length = length,
Version = version,
Method = method == null ? null : new HttpRequestMethod(method),
Uri = uri,
};
if (!parser.Success)
return parseInfo;
int firstLineLength = parser.Offset - offset;
// Header
int? endHeaderOffset;
HttpHeader header = new HttpHeader(GetHeaderFields(out endHeaderOffset, buffer, offset + firstLineLength, length - firstLineLength));
parseInfo.Header = header;
if (endHeaderOffset == null)
return parseInfo;
int headerLength = endHeaderOffset.Value - offset - firstLineLength;
// Body
Datagram body = ParseBody(buffer, offset + firstLineLength + headerLength, length - firstLineLength - headerLength, IsBodyPossible(header), header);
parseInfo.Body = body;
parseInfo.Length = firstLineLength + headerLength + body.Length;
return parseInfo;
}
private static HttpRequestDatagram.ParseInfo Parse(byte[] buffer, int offset, int length)
{
HttpParser httpParser = new HttpParser(buffer, offset, length);
string token;
string uri;
HttpVersion version;
httpParser.Token(out token).Space().RequestUri(out uri).Space().Version(out version).CarriageReturnLineFeed();
HttpRequestDatagram.ParseInfo parseInfo1 = new HttpRequestDatagram.ParseInfo();
parseInfo1.Length = length;
parseInfo1.Version = version;
parseInfo1.Method = token == null ? (HttpRequestMethod)null : new HttpRequestMethod(token);
parseInfo1.Uri = uri;
HttpRequestDatagram.ParseInfo parseInfo2 = parseInfo1;
if (!httpParser.Success)
{
return(parseInfo2);
}
int num1 = httpParser.Offset - offset;
int? endOffset;
HttpHeader header = new HttpHeader((IEnumerable <KeyValuePair <string, IEnumerable <byte> > >)HttpDatagram.GetHeaderFields(out endOffset, buffer, offset + num1, length - num1));
parseInfo2.Header = header;
if (!endOffset.HasValue)
{
return(parseInfo2);
}
int num2 = endOffset.Value - offset - num1;
Datagram datagram = HttpDatagram.ParseBody(buffer, offset + num1 + num2, length - num1 - num2, HttpRequestDatagram.IsBodyPossible(header), header);
parseInfo2.Body = datagram;
parseInfo2.Length = num1 + num2 + datagram.Length;
return(parseInfo2);
}
private static ParseInfo Parse(byte[] buffer, int offset, int length)
{
// First Line
HttpParser parser = new HttpParser(buffer, offset, length);
string method;
string uri;
HttpVersion version;
parser.Token(out method).Space().RequestUri(out uri).Space().Version(out version).CarriageReturnLineFeed();
ParseInfo parseInfo = new ParseInfo
{
Length = length,
Version = version,
Method = method == null ? null : new HttpRequestMethod(method),
Uri = uri,
};
if (!parser.Success)
{
return(parseInfo);
}
int firstLineLength = parser.Offset - offset;
// Header
int? endHeaderOffset;
HttpHeader header = new HttpHeader(GetHeaderFields(out endHeaderOffset, buffer, offset + firstLineLength, length - firstLineLength));
parseInfo.Header = header;
if (endHeaderOffset == null)
{
return(parseInfo);
}
int headerLength = endHeaderOffset.Value - offset - firstLineLength;
// Body
Datagram body = ParseBody(buffer, offset + firstLineLength + headerLength, length - firstLineLength - headerLength, IsBodyPossible(header), header);
parseInfo.Body = body;
parseInfo.Length = firstLineLength + headerLength + body.Length;
return(parseInfo);
}
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);
}
internal static List <KeyValuePair <string, IEnumerable <byte> > > GetHeaderFields(out int?endOffset, byte[] buffer, int offset, int length)
{
endOffset = new int?();
List <KeyValuePair <string, IEnumerable <byte> > > list = new List <KeyValuePair <string, IEnumerable <byte> > >();
HttpParser httpParser = new HttpParser(buffer, offset, length);
while (httpParser.Success)
{
if (httpParser.IsCarriageReturnLineFeed())
{
endOffset = new int?(httpParser.Offset + 2);
break;
}
string token;
IEnumerable <byte> fieldValue;
httpParser.Token(out token).Colon().FieldValue(out fieldValue).CarriageReturnLineFeed();
if (httpParser.Success)
{
list.Add(new KeyValuePair <string, IEnumerable <byte> >(token, fieldValue));
}
}
return(list);
}
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;
}