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.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
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22  */
23 
24 import java.io.*;
25 import java.net.*;
26 import java.net.http.HttpHeaders;
27 import java.nio.file.*;
28 import java.util.List;
29 import java.util.Map;
30 import java.util.function.BiPredicate;
31 
32 public class PushHandler implements Http2Handler {
33 
34     static final BiPredicate<String,String> ACCEPT_ALL = (x, y) -> true;
35 
36     final Path tempFile;
37     final int loops;
38     final long file_size;
39 
PushHandler(Path file, int loops)40     public PushHandler(Path file, int loops) throws Exception {
41         tempFile = file;
42         this.loops = loops;
43         this.file_size = Files.size(file);
44     }
45 
46     int invocation = 0;
47 
handle(Http2TestExchange ee)48     public void handle(Http2TestExchange ee) {
49         try {
50             System.err.println ("Server: handle " + ee);
51             invocation++;
52 
53             if (ee.serverPushAllowed()) {
54                 URI requestURI = ee.getRequestURI();
55                 for (int i=0; i<loops; i++) {
56                     InputStream is = new FileInputStream(tempFile.toFile());
57                     URI u = requestURI.resolve("/x/y/z/" + Integer.toString(i));
58                     HttpHeaders h = HttpHeaders.of(Map.of("X-foo", List.of("bar")),
59                                                    ACCEPT_ALL);
60                     ee.serverPush(u, h, is);
61                 }
62                 System.err.println ("Server: sent all pushes");
63             }
64             ee.sendResponseHeaders(200, file_size);
65             OutputStream os = ee.getResponseBody();
66             InputStream iis = new FileInputStream(tempFile.toFile());
67             iis.transferTo(os);
68             os.close();
69             iis.close();
70         } catch (Exception ex) {
71             System.err.println ("Server: exception " + ex);
72         }
73     }
74 }
75