Package org.eclipse.jetty.spdy.frames

Examples of org.eclipse.jetty.spdy.frames.HeadersFrame

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                notifyOnReply(replyInfo);
                break;
            }
            case HEADERS:
            {
                HeadersFrame headers = (HeadersFrame)frame;
                updateCloseState(headers.isClose(), false);
                HeadersInfo headersInfo = new HeadersInfo(headers.getHeaders(), headers.isClose(), headers.isResetCompression());
                notifyOnHeaders(headersInfo);
                break;
            }
            case RST_STREAM:
            {
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            session.rst(new RstInfo(getId(), StreamStatus.PROTOCOL_ERROR), new StreamCallback());
            throw new IllegalStateException("Protocol violation: cannot send a HEADERS frame on a closed stream");
        }

        updateCloseState(headersInfo.isClose(), true);
        HeadersFrame frame = new HeadersFrame(session.getVersion(), headersInfo.getFlags(), getId(), headersInfo.getHeaders());
        session.control(this, frame, headersInfo.getTimeout(), headersInfo.getUnit(), new StreamCallback(callback));
    }
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                    {
                        byte flags = controlFrameParser.getFlags();
                        if (flags != 0 && flags != HeadersInfo.FLAG_CLOSE && flags != HeadersInfo.FLAG_RESET_COMPRESSION)
                            throw new IllegalArgumentException("Invalid flag " + flags + " for frame " + ControlFrameType.HEADERS);

                        HeadersFrame frame = new HeadersFrame(version, flags, streamId, new Fields(headers, true));
                        controlFrameParser.onControlFrame(frame);

                        reset();
                        return true;
                    }
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    }

    @Override
    public ByteBuffer generate(ControlFrame frame)
    {
        HeadersFrame headers = (HeadersFrame)frame;
        short version = headers.getVersion();

        ByteBuffer headersBuffer = headersBlockGenerator.generate(version, headers.getHeaders());

        int frameBodyLength = 4;
        if (frame.getVersion() == SPDY.V2)
            frameBodyLength += 2;

        int frameLength = frameBodyLength + headersBuffer.remaining();
        if (frameLength > 0xFF_FF_FF)
        {
            // Too many headers, but unfortunately we have already modified the compression
            // context, so we have no other choice than tear down the connection.
            throw new SessionException(SessionStatus.PROTOCOL_ERROR, "Too many headers");
        }

        int totalLength = ControlFrame.HEADER_LENGTH + frameLength;

        ByteBuffer buffer = getByteBufferPool().acquire(totalLength, Generator.useDirectBuffers);
        BufferUtil.clearToFill(buffer);
        generateControlFrameHeader(headers, frameLength, buffer);

        buffer.putInt(headers.getStreamId() & 0x7F_FF_FF_FF);
        if (frame.getVersion() == SPDY.V2)
            buffer.putShort((short)0);

        buffer.put(headersBuffer);
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Related Classes of org.eclipse.jetty.spdy.frames.HeadersFrame

  • org.eclipse.jetty.spdy.generator.HeadersGenerator
  • org.eclipse.jetty.spdy.parser.HeadersBodyParser
  • org.eclipse.jetty.spdy.StandardStream
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