io.undertow.protocols.http2.Http2GoAwayStreamSinkChannel Maven / Gradle / Ivy
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* 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
*
* 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;
}
}