/* * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual contributors * as indicated by the @author tags. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.undertow.protocols.http2; import java.nio.ByteBuffer; import io.undertow.server.protocol.framed.SendFrameHeader; import io.undertow.util.ImmediatePooledByteBuffer; /** * The go away * <p/> * TODO: at the moment we don't allow the additional debug data * * @author Stuart Douglas */ class Http2GoAwayStreamSinkChannel extends Http2NoDataStreamSinkChannel { public static final int HEADER_FIRST_LINE = (8 << 8) | (Http2Channel.FRAME_TYPE_GOAWAY); private final int status; private final int lastGoodStreamId; protected Http2GoAwayStreamSinkChannel(Http2Channel channel, int status, int lastGoodStreamId) { super(channel); this.status = status; this.lastGoodStreamId = lastGoodStreamId; } @Override protected SendFrameHeader createFrameHeader() { ByteBuffer buf = ByteBuffer.allocate(17); Http2ProtocolUtils.putInt(buf, HEADER_FIRST_LINE); buf.put((byte)0); Http2ProtocolUtils.putInt(buf, 0); //stream id Http2ProtocolUtils.putInt(buf, lastGoodStreamId); Http2ProtocolUtils.putInt(buf, status); buf.flip(); return new SendFrameHeader(new ImmediatePooledByteBuffer(buf)); } @Override protected boolean isLastFrame() { return true; } }