com.webpieces.hpack.impl.UnmarshalStateImpl Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of http2-hpack Show documentation

A re-usable asynchronous HTTP/2 parser WITH header serialization/deserialization (hpack)

There is a newer version: 2.1.109

package com.webpieces.hpack.impl;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import org.webpieces.util.futures.XFuture;

import com.twitter.hpack.Decoder;
import com.webpieces.hpack.api.UnmarshalState;
import com.webpieces.http2.api.dto.lowlevel.lib.HasHeaderFragment;
import com.webpieces.http2.api.dto.lowlevel.lib.Http2Msg;
import com.webpieces.http2parser.api.Http2Memento;

public class UnmarshalStateImpl implements UnmarshalState {

	private HeaderDecoding decoding;
	private Decoder decoder;
	private Http2Memento lowLevelState;
	
    private List headersToCombine = new LinkedList<>();
	private List parsedFrames = new ArrayList<>();
	private String logId;
	private int numBytesJustParsed = 0;
	private int dataToParseSize = 0;
	private int halfParsedSize;
	private XFuture processFuture = XFuture.completedFuture(null);
	
	public UnmarshalStateImpl(String logId, Http2Memento lowLevelState, HeaderDecoding decoding, Decoder decoder) {
		this.logId = logId;
		this.lowLevelState = lowLevelState;
		this.decoding = decoding;
		this.decoder = decoder;
	}

	@Override
	public List getParsedFrames() {
		return parsedFrames;
	}

	public Http2Memento getLowLevelState() {
		return lowLevelState;
	}

	public List getHeadersToCombine() {
		return headersToCombine;
	}

	public Decoder getDecoder() {
		return decoder;
	}

	@Override
	public void setDecoderMaxTableSize(int newSize) {
		decoding.setMaxHeaderTableSize(decoder, newSize);
	}

	@Override
	public void setIncomingMaxFrameSize(long maxFrameSize) {
		lowLevelState.setIncomingMaxFrameSize(maxFrameSize);
	}

	public void clearParsedFrames() {
		parsedFrames = new ArrayList<>();
	}

	public String getLogId() {
		return logId;
	}

	@Override
	public int getLeftOverDataSize() {
		return dataToParseSize;
	}
	
	@Override
	public int getNumBytesJustParsed() {
		return numBytesJustParsed;
	}

	public int getDataToParseSize() {
		return dataToParseSize;
	}

	public void addToDataToParseSize(int readableSize) {
		dataToParseSize += readableSize;
	}

	public void addHalfParsedSize(int numBytesJustParsed2) {
		halfParsedSize += numBytesJustParsed2;
	}

	public void addParsedMessage(Http2Msg frame) {
		numBytesJustParsed += halfParsedSize;
		dataToParseSize -= halfParsedSize;
		parsedFrames.add(frame);
		halfParsedSize = 0;
	}

	public void resetNumBytesJustParsed() {
		numBytesJustParsed = 0;
	}

	@Override
	public XFuture getProcessFuture() {
		return processFuture;
	}

	@Override
	public void setProcessFuturee(XFuture future) {
		this.processFuture = future;
	}

}