1 /*
2 * Copyright 2015 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16
17 /*
18 * Copyright 2015 Twitter, Inc.
19 *
20 * Licensed under the Apache License, Version 2.0 (the "License");
21 * you may not use this file except in compliance with the License.
22 * You may obtain a copy of the License at
23 *
24 * https://www.apache.org/licenses/LICENSE-2.0
25 *
26 * Unless required by applicable law or agreed to in writing, software
27 * distributed under the License is distributed on an "AS IS" BASIS,
28 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
29 * See the License for the specific language governing permissions and
30 * limitations under the License.
31 */
32 package io.netty.handler.codec.http2;
33
34 import java.util.HashMap;
35 import java.util.List;
36 import java.util.Map;
37
38 /**
39 * Utility methods for hpack tests.
40 */
41 public final class HpackBenchmarkUtil {
42 private HpackBenchmarkUtil() {
43 }
44
45 /**
46 * Internal key used to index a particular set of headers in the map.
47 */
48 private static class HeadersKey {
49 final HpackHeadersSize size;
50 final boolean limitToAscii;
51
52 HeadersKey(HpackHeadersSize size, boolean limitToAscii) {
53 this.size = size;
54 this.limitToAscii = limitToAscii;
55 }
56
57 List<HpackHeader> newHeaders() {
58 return size.newHeaders(limitToAscii);
59 }
60
61 @Override
62 public boolean equals(Object o) {
63 if (this == o) {
64 return true;
65 }
66 if (o == null || getClass() != o.getClass()) {
67 return false;
68 }
69
70 HeadersKey that = (HeadersKey) o;
71
72 if (limitToAscii != that.limitToAscii) {
73 return false;
74 }
75 return size == that.size;
76 }
77
78 @Override
79 public int hashCode() {
80 int result = size.hashCode();
81 result = 31 * result + (limitToAscii ? 1 : 0);
82 return result;
83 }
84 }
85
86 private static final Map<HeadersKey, List<HpackHeader>> headersMap;
87
88 static {
89 HpackHeadersSize[] sizes = HpackHeadersSize.values();
90 headersMap = new HashMap<HeadersKey, List<HpackHeader>>(sizes.length * 2);
91 for (HpackHeadersSize size : sizes) {
92 HeadersKey key = new HeadersKey(size, true);
93 headersMap.put(key, key.newHeaders());
94
95 key = new HeadersKey(size, false);
96 headersMap.put(key, key.newHeaders());
97 }
98 }
99
100 /**
101 * Gets headers for the given size and whether the key/values should be limited to ASCII.
102 */
103 static List<HpackHeader> headers(HpackHeadersSize size, boolean limitToAscii) {
104 return headersMap.get(new HeadersKey(size, limitToAscii));
105 }
106
107 static Http2Headers http2Headers(HpackHeadersSize size, boolean limitToAscii) {
108 List<HpackHeader> hpackHeaders = headersMap.get(new HeadersKey(size, limitToAscii));
109 Http2Headers http2Headers = new DefaultHttp2Headers(false);
110 for (int i = 0; i < hpackHeaders.size(); ++i) {
111 HpackHeader hpackHeader = hpackHeaders.get(i);
112 http2Headers.add(hpackHeader.name, hpackHeader.value);
113 }
114 return http2Headers;
115 }
116 }
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