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StreamInfo.java
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StreamInfo.java
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//
// ========================================================================
// Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.http3.qpack.internal;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import org.eclipse.jetty.http3.qpack.internal.table.Entry;
public class StreamInfo implements Iterable<StreamInfo.SectionInfo>
{
private final long _streamId;
private final Queue<SectionInfo> _sectionInfos = new LinkedList<>();
public StreamInfo(long streamId)
{
_streamId = streamId;
}
public long getStreamId()
{
return _streamId;
}
public void add(SectionInfo sectionInfo)
{
_sectionInfos.add(sectionInfo);
}
public void remove(SectionInfo sectionInfo)
{
_sectionInfos.remove(sectionInfo);
}
public SectionInfo getCurrentSectionInfo()
{
return _sectionInfos.peek();
}
public SectionInfo acknowledge()
{
return _sectionInfos.poll();
}
public boolean isEmpty()
{
return _sectionInfos.isEmpty();
}
public boolean isBlocked()
{
for (SectionInfo info : _sectionInfos)
{
if (info.isBlocking())
return true;
}
return false;
}
@Override
public Iterator<SectionInfo> iterator()
{
return _sectionInfos.iterator();
}
public static class SectionInfo
{
private final List<Entry> _entries = new ArrayList<>();
private int _requiredInsertCount;
private boolean _block = false;
public void block()
{
_block = true;
}
public boolean isBlocking()
{
return _block;
}
public void reference(Entry entry)
{
entry.reference();
_entries.add(entry);
}
public void release()
{
for (Entry entry : _entries)
{
entry.release();
}
_block = false;
_entries.clear();
}
public void setRequiredInsertCount(int requiredInsertCount)
{
_requiredInsertCount = requiredInsertCount;
}
public int getRequiredInsertCount()
{
return _requiredInsertCount;
}
}
}