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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.client5.http.io;
29  
30  import java.io.IOException;
31  import java.net.InetSocketAddress;
32  
33  import org.apache.hc.core5.annotation.Contract;
34  import org.apache.hc.core5.annotation.Internal;
35  import org.apache.hc.core5.annotation.ThreadingBehavior;
36  import org.apache.hc.core5.http.HttpHost;
37  import org.apache.hc.core5.http.io.SocketConfig;
38  import org.apache.hc.core5.http.protocol.HttpContext;
39  import org.apache.hc.core5.util.TimeValue;
40  
41  /**
42   * Connection operator that performs connection connect and upgrade operations.
43   *
44   * @since 4.4
45   */
46  @Contract(threading = ThreadingBehavior.STATELESS)
47  @Internal
48  public interface HttpClientConnectionOperator {
49  
50      /**
51       * Connect the given managed connection to the remote endpoint.
52       *
53       * @param conn the managed connection.
54       * @param host the address of the opposite endpoint.
55       * @param localAddress the address of the local endpoint.
56       * @param connectTimeout the timeout of the connect operation.
57       * @param socketConfig the socket configuration.
58       * @param context the execution context.
59       */
60      void connect(
61              ManagedHttpClientConnection conn,
62              HttpHost host,
63              InetSocketAddress localAddress,
64              TimeValue connectTimeout,
65              SocketConfig socketConfig,
66              HttpContext context) throws IOException;
67  
68      /**
69       * Upgrades transport security of the given managed connection
70       * by using the TLS security protocol.
71       *
72       * @param conn the managed connection.
73       * @param host the address of the opposite endpoint with TLS security.
74       * @param context the execution context.
75       */
76      void upgrade(
77              ManagedHttpClientConnection conn,
78              HttpHost host,
79              HttpContext context) throws IOException;
80  
81  }