2015-11-04 21:46:03 +01:00
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/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright 2015 Twitter, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2017-03-02 06:30:55 +01:00
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package io.netty.handler.codec.http2;
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2015-11-04 21:46:03 +01:00
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2016-05-30 13:40:08 +02:00
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import io.netty.util.AsciiString;
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2015-11-04 21:46:03 +01:00
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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/**
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* Helper class representing a single header entry. Used by the benchmarks.
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*/
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2019-07-04 11:24:13 +02:00
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final class HpackHeader {
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2015-11-04 21:46:03 +01:00
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private static final String ALPHABET =
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"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_";
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2016-05-30 13:40:08 +02:00
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final CharSequence name;
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final CharSequence value;
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2015-11-04 21:46:03 +01:00
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2019-07-04 11:24:13 +02:00
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private HpackHeader(byte[] name, byte[] value) {
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2016-05-30 13:40:08 +02:00
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this.name = new AsciiString(name, false);
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this.value = new AsciiString(value, false);
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2015-11-04 21:46:03 +01:00
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}
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/**
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* Creates a number of random headers with the given name/value lengths.
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*/
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2017-03-02 06:30:55 +01:00
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static List<HpackHeader> createHeaders(int numHeaders, int nameLength, int valueLength,
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boolean limitToAscii) {
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List<HpackHeader> hpackHeaders = new ArrayList<HpackHeader>(numHeaders);
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2015-11-04 21:46:03 +01:00
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for (int i = 0; i < numHeaders; ++i) {
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2019-07-04 11:24:13 +02:00
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// Force always ascii for header names
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byte[] name = randomBytes(new byte[nameLength], true);
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2015-11-04 21:46:03 +01:00
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byte[] value = randomBytes(new byte[valueLength], limitToAscii);
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2017-03-02 06:30:55 +01:00
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hpackHeaders.add(new HpackHeader(name, value));
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2015-11-04 21:46:03 +01:00
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}
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2017-03-02 06:30:55 +01:00
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return hpackHeaders;
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2015-11-04 21:46:03 +01:00
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}
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private static byte[] randomBytes(byte[] bytes, boolean limitToAscii) {
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Random r = new Random();
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if (limitToAscii) {
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for (int index = 0; index < bytes.length; ++index) {
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int charIndex = r.nextInt(ALPHABET.length());
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bytes[index] = (byte) ALPHABET.charAt(charIndex);
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}
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} else {
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r.nextBytes(bytes);
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}
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return bytes;
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}
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}
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