private static void SendHeader(StreamHandler streamHandler, int streamId, List <HeaderField> headers,
bool endheaders = true, bool endStream = true, bool pushPromise = false)
{
byte[] commpresedHeaders = new byte[Server.MAX_HTTP2_FRAME_SIZE];
// Encode a header block fragment into the output buffer
var headerBlockFragment = new ArraySegment <byte>(commpresedHeaders);
// komprimering
var encodeResult = streamHandler.owner.hpackEncoder.EncodeInto(headerBlockFragment, headers);
//Http2.Hpack.Encoder.Result encodeResult = Server.hPackEncoder.EncodeInto(headerBlockFragment, headers);
commpresedHeaders = new byte[encodeResult.UsedBytes];
// pick out the used bytes
for (int i = 0; i < commpresedHeaders.Length; i++)
{
commpresedHeaders[i] = headerBlockFragment[i];
}
if (pushPromise)
{
HTTP2Frame promiseFrame = new HTTP2Frame(streamId).AddPushPromisePayload(streamId, commpresedHeaders, 0, true);
streamHandler.SendFrame(promiseFrame);
}
HTTP2Frame headerframe = new HTTP2Frame(streamId).AddHeaderPayload(commpresedHeaders, 0, endheaders, endStream);
streamHandler.SendFrame(headerframe); // todo støtte for datautvidelse med continuation rammer
}
public static bool SendPushPromise(StreamHandler streamHandler, int streamIdToSendPromiseFrameOn, string url, int streamIdToPromise, string file)
{
FileInfo fi = new FileInfo(url);
if (!fi.Exists)
{
return(false);
}
List <HeaderField> headers = new List <HeaderField>()
{
//HEADER_OK,
new HeaderField {
Name = ":url", Value = file, Sensitive = false
},
//new HeaderField{ Name = "content-type", Value = Mapping.MimeMap[fi.Extension], Sensitive = false },
new HeaderField {
Name = ":authority", Value = Server.IpAddress, Sensitive = false
},
};
byte[] commpresedHeaders = new byte[Server.MAX_HTTP2_FRAME_SIZE];
// Encode a header block fragment into the output buffer
var headerBlockFragment = new ArraySegment <byte>(commpresedHeaders);
// komprimering
var encodeResult = streamHandler.owner.hpackEncoder.EncodeInto(headerBlockFragment, headers);
//Http2.Hpack.Encoder.Result encodeResult = Server.hPackEncoder.EncodeInto(headerBlockFragment, headers);
commpresedHeaders = new byte[encodeResult.UsedBytes];
// pick out the used bytes
for (int i = 0; i < commpresedHeaders.Length; i++)
{
commpresedHeaders[i] = headerBlockFragment[i];
}
HTTP2Frame promiseFrame = new HTTP2Frame(streamIdToSendPromiseFrameOn).AddPushPromisePayload(streamIdToPromise, commpresedHeaders, 0, true);
streamHandler.SendFrame(promiseFrame);
return(true);
}
