1 /*
   2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.internal.net.http;
  27 
  28 import java.net.InetSocketAddress;
  29 import java.nio.channels.SocketChannel;
  30 import java.util.concurrent.CompletableFuture;
  31 import java.util.function.Function;
  32 import jdk.internal.net.http.common.MinimalFuture;
  33 import jdk.internal.net.http.common.SSLTube;
  34 import jdk.internal.net.http.common.Utils;
  35 
  36 /**
  37  * Asynchronous version of SSLConnection.
  38  */
  39 class AsyncSSLConnection extends AbstractAsyncSSLConnection {
  40 
  41     final PlainHttpConnection plainConnection;
  42     final PlainHttpPublisher writePublisher;
  43     private volatile SSLTube flow;
  44 
  45     AsyncSSLConnection(InetSocketAddress addr,
  46                        HttpClientImpl client,
  47                        String[] alpn) {
  48         super(addr, client, Utils.getServerName(addr), addr.getPort(), alpn);
  49         plainConnection = new PlainHttpConnection(addr, client);
  50         writePublisher = new PlainHttpPublisher();
  51     }
  52 
  53     @Override
  54     public CompletableFuture<Void> connectAsync(Exchange<?> exchange) {
  55         return plainConnection
  56                 .connectAsync(exchange)
  57                 .thenApply( unused -> {
  58                     // create the SSLTube wrapping the SocketTube, with the given engine
  59                     flow = new SSLTube(engine,
  60                                        client().theExecutor(),
  61                                        client().getSSLBufferSupplier()::recycle,
  62                                        plainConnection.getConnectionFlow());
  63                     return null; } );
  64     }
  65 
  66     @Override
  67     public CompletableFuture<Void> finishConnect() {
  68         // The actual ALPN value, which may be the empty string, is not
  69         // interesting at this point, only that the handshake has completed.
  70         return getALPN()
  71                 .handle((String unused, Throwable ex) -> {
  72                     if (ex == null) {
  73                         return plainConnection.finishConnect();
  74                     } else {
  75                         plainConnection.close();
  76                         return MinimalFuture.<Void>failedFuture(ex);
  77                     } })
  78                 .thenCompose(Function.identity());
  79     }
  80 
  81     @Override
  82     boolean connected() {
  83         return plainConnection.connected();
  84     }
  85 
  86     @Override
  87     HttpPublisher publisher() { return writePublisher; }
  88 
  89     @Override
  90     boolean isProxied() {
  91         return false;
  92     }
  93 
  94     @Override
  95     SocketChannel channel() {
  96         return plainConnection.channel();
  97     }
  98 
  99     @Override
 100     ConnectionPool.CacheKey cacheKey() {
 101         return ConnectionPool.cacheKey(address, null);
 102     }
 103 
 104     @Override
 105     public void close() {
 106         plainConnection.close();
 107     }
 108 
 109     @Override
 110     SSLTube getConnectionFlow() {
 111        return flow;
 112    }
 113 }