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1   /*
2    * Copyright 2014 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.netty5.handler.ssl;
17  
18  import io.netty.internal.tcnative.SSL;
19  import io.netty.internal.tcnative.SSLContext;
20  
21  import java.util.concurrent.locks.Lock;
22  
23  /**
24   * {@link OpenSslSessionContext} implementation which offers extra methods which are only useful for the server-side.
25   */
26  public final class OpenSslServerSessionContext extends OpenSslSessionContext {
27      OpenSslServerSessionContext(ReferenceCountedOpenSslContext context, OpenSslKeyMaterialProvider provider) {
28          super(context, provider, SSL.SSL_SESS_CACHE_SERVER, new OpenSslSessionCache(context.engineMap));
29      }
30  
31      /**
32       * Set the context within which session be reused (server side only)
33       * See <a href="https://www.openssl.org/docs/ssl/SSL_CTX_set_session_id_context.html">
34       *     man SSL_CTX_set_session_id_context</a>
35       *
36       * @param sidCtx can be any kind of binary data, it is therefore possible to use e.g. the name
37       *               of the application and/or the hostname and/or service name
38       * @return {@code true} if success, {@code false} otherwise.
39       */
40      public boolean setSessionIdContext(byte[] sidCtx) {
41          Lock writerLock = context.ctxLock.writeLock();
42          writerLock.lock();
43          try {
44              return SSLContext.setSessionIdContext(context.ctx, sidCtx);
45          } finally {
46              writerLock.unlock();
47          }
48      }
49  }