public static void SendData(StreamHandler streamHandler, int streamId, byte[] data,
string contentType = "text/plain", bool cont = false)
{
if (data.Length < 1)
{
SendNotFound(streamHandler, streamId);
return;
}
if (!cont)
{
List <HeaderField> headers = new List <HeaderField>()
{
HEADER_OK,
new HeaderField {
Name = "content-type", Value = contentType, Sensitive = false
},
};
SendHeader(streamHandler, streamId, headers, true, false);
}
// send data
try
{
int length = data.Length;
int sent = 0;
while (sent < length)
{
int len = ((length - sent) > Server.MAX_HTTP2_FRAME_SIZE) ? Server.MAX_HTTP2_FRAME_SIZE : (length - sent);
int overflow = streamHandler.ReduceWindowSize((uint)streamId, (uint)len);
len = (overflow >= 0) ? len : len + overflow;
byte[] d = new byte[len];
for (long j = 0; j < len; j++)
{
d[j] = data[sent++];
}
streamHandler.SendFrame(new HTTP2Frame((int)streamId).AddDataPayload(d, endStream: (length == sent)));
if (overflow < 0)
{
byte[] bufferedData = Bytes.GetPartOfByteArray(sent, length, data);
streamHandler.BufferDataForWindowUpdate((uint)streamId, bufferedData, contentType);
break;
}
}
}
catch (Exception ex)
{
Console.WriteLine("SendData()\n" + ex);
}
}
private static void SendFileAsDataFrames(StreamHandler streamHandler, FileInfo fi, int streamId)
{
using (FileStream fs = fi.OpenRead())
using (BinaryReader reader = new BinaryReader(fs))
{
long length = fs.Length;
int maxFrameSize = (int)streamHandler.owner.settings.MaxFrameSize;
byte[] d = new byte[maxFrameSize];
int len = 0;
bool buffer = false;
int readBytes = 0;
for (long i = 0; i < length - maxFrameSize; i += maxFrameSize)
{
len = streamHandler.ReduceWindowSize((uint)streamId, (uint)maxFrameSize);
if (len < 0)
{
maxFrameSize += len;
d = new byte[maxFrameSize];
buffer = true;
}
readBytes += maxFrameSize;
reader.Read(d, 0, maxFrameSize);
streamHandler.SendFrame(new HTTP2Frame(streamId).AddDataPayload(d));
if (buffer)
{
break;
}
}
int rest = (int)length - readBytes;
if (rest > 0)
{
d = new byte[rest];
reader.Read(d, 0, rest);
if (buffer)
{
streamHandler.BufferDataForWindowUpdate((uint)streamId, d, "");
}
else
{
streamHandler.ReduceWindowSize((uint)streamId, (uint)rest);
streamHandler.SendFrame(new HTTP2Frame(streamId).AddDataPayload(d, 0, true));
}
}
}
if (fi.Extension.Equals(".gz"))
{
fi.Delete();
}
}