1 /*
2 * Copyright 2021 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 package io.netty.handler.codec.quic;
17
18 import io.netty.util.Mapping;
19
20 final class BoringSSLTlsextServernameCallback {
21
22 private final QuicheQuicSslEngineMap engineMap;
23 private final Mapping<? super String, ? extends QuicSslContext> mapping;
24
25 BoringSSLTlsextServernameCallback(QuicheQuicSslEngineMap engineMap,
26 Mapping<? super String, ? extends QuicSslContext> mapping) {
27 this.engineMap = engineMap;
28 this.mapping = mapping;
29 }
30
31 @SuppressWarnings("unused")
32 long selectCtx(long ssl, String serverName) {
33 final QuicheQuicSslEngine engine = engineMap.get(ssl);
34 if (engine == null) {
35 // May be null if it was destroyed in the meantime.
36 return -1;
37 }
38
39 QuicSslContext context = mapping.map(serverName);
40 if (context == null) {
41 return -1;
42 }
43 return engine.moveTo(serverName, (QuicheQuicSslContext) context);
44 }
45 }