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QpackTestUtil.java
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QpackTestUtil.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;
import java.nio.ByteBuffer;
import java.util.List;
import org.eclipse.jetty.http.HttpField;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.http.HttpVersion;
import org.eclipse.jetty.http.MetaData;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.io.NullByteBufferPool;
import org.eclipse.jetty.util.BufferUtil;
import org.eclipse.jetty.util.TypeUtil;
import org.hamcrest.Matcher;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
public class QpackTestUtil
{
public static ByteBuffer toBuffer(Instruction... instructions)
{
ByteBufferPool.Lease lease = new ByteBufferPool.Lease(new NullByteBufferPool());
for (Instruction instruction : instructions)
{
instruction.encode(lease);
}
ByteBuffer combinedBuffer = BufferUtil.allocate(Math.toIntExact(lease.getTotalLength()));
BufferUtil.clearToFill(combinedBuffer);
for (ByteBuffer buffer : lease.getByteBuffers())
{
combinedBuffer.put(buffer);
}
BufferUtil.flipToFlush(combinedBuffer, 0);
return combinedBuffer;
}
public static Matcher<String> equalsHex(String expectedString)
{
expectedString = expectedString.replaceAll("\\s+", "");
return org.hamcrest.text.IsEqualIgnoringCase.equalToIgnoringCase(expectedString);
}
public static ByteBuffer toBuffer(List<Instruction> instructions)
{
NullByteBufferPool bufferPool = new NullByteBufferPool();
ByteBufferPool.Lease lease = new ByteBufferPool.Lease(bufferPool);
instructions.forEach(i -> i.encode(lease));
assertThat(lease.getSize(), is(instructions.size()));
ByteBuffer combinedBuffer = BufferUtil.allocate(Math.toIntExact(lease.getTotalLength()), false);
BufferUtil.clearToFill(combinedBuffer);
lease.getByteBuffers().forEach(combinedBuffer::put);
BufferUtil.flipToFlush(combinedBuffer, 0);
return combinedBuffer;
}
public static ByteBuffer hexToBuffer(String hexString)
{
hexString = hexString.replaceAll("\\s+", "");
return ByteBuffer.wrap(TypeUtil.fromHexString(hexString));
}
public static String toHexString(Instruction instruction)
{
return BufferUtil.toHexString(toBuffer(List.of(instruction)));
}
public static ByteBuffer encode(QpackEncoder encoder, long streamId, MetaData metaData) throws QpackException
{
ByteBuffer buffer = BufferUtil.allocate(1024);
BufferUtil.clearToFill(buffer);
encoder.encode(buffer, streamId, metaData);
BufferUtil.flipToFlush(buffer, 0);
return buffer;
}
public static HttpFields.Mutable toHttpFields(HttpField field)
{
return HttpFields.build().add(field);
}
public static MetaData toMetaData(String name, String value)
{
return toMetaData(toHttpFields(new HttpField(name, value)));
}
public static MetaData toMetaData(String method, String path, String scheme)
{
return toMetaData(method, path, scheme, (HttpField)null);
}
public static MetaData toMetaData(String method, String path, String scheme, HttpField... fields)
{
HttpFields.Mutable httpFields = HttpFields.build();
for (HttpField field : fields)
{
httpFields.add(field);
}
return toMetaData(method, path, scheme, httpFields);
}
public static MetaData toMetaData(String method, String path, String scheme, HttpFields.Mutable fields)
{
fields = HttpFields.build()
.put(":scheme", scheme)
.put(":method", method)
.put(":path", path)
.add(fields);
return new MetaData(HttpVersion.HTTP_3, fields);
}
public static MetaData toMetaData(HttpFields fields)
{
return new MetaData(HttpVersion.HTTP_3, fields);
}
}