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(); } }