1 /*
2  * Copyright (c) 2005, 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
21  * questions.
22  */
23 
24 import java.io.*;
25 import java.nio.file.Files;
26 import java.nio.file.Path;
27 import java.nio.file.Paths;
28 
29 import jdk.internal.net.http.common.HttpHeadersImpl;
30 
31 public class EchoHandler implements Http2Handler {
32     static final Path CWD = Paths.get(".");
33 
34     public EchoHandler() {}
35 
36     @Override
37     public void handle(Http2TestExchange t)
38             throws IOException {
39         try {
40             System.err.println("EchoHandler received request to " + t.getRequestURI());
41             InputStream is = t.getRequestBody();
42             HttpHeadersImpl map = t.getRequestHeaders();
43             HttpHeadersImpl map1 = t.getResponseHeaders();
BodyOutputStream(int streamid, int initialWindow, Http2TestServerConnection conn)44             map1.addHeader("X-Hello", "world");
45             map1.addHeader("X-Bye", "universe");
46             String fixedrequest = map.firstValue("XFixed").orElse(null);
47             File outfile = Files.createTempFile(CWD, "foo", "bar").toFile();
48             //System.err.println ("QQQ = " + outfile.toString());
49             FileOutputStream fos = new FileOutputStream(outfile);
50             int count = (int) is.transferTo(fos);
51             System.err.printf("EchoHandler read %d bytes\n", count);
52             is.close();
53             fos.close();
updateWindow(int update)54             InputStream is1 = new FileInputStream(outfile);
55             OutputStream os = null;
56             // return the number of bytes received (no echo)
57             String summary = map.firstValue("XSummary").orElse(null);
58             if (fixedrequest != null && summary == null) {
waitForWindow(int demand)59                 t.sendResponseHeaders(200, count);
60                 os = t.getResponseBody();
61                 int count1 = (int)is1.transferTo(os);
62                 System.err.printf("EchoHandler wrote %d bytes\n", count1);
63             } else {
64                 t.sendResponseHeaders(200, 0);
65                 os = t.getResponseBody();
66                 int count1 = (int)is1.transferTo(os);
67                 System.err.printf("EchoHandler wrote %d bytes\n", count1);
68 
69                 if (summary != null) {
70                     String s = Integer.toString(count);
71                     os.write(s.getBytes());
72                 }
73             }
74             outfile.delete();
goodToGo()75             os.close();
76             is1.close();
77         } catch (Throwable e) {
78             e.printStackTrace();
79             throw new IOException(e);
write(byte[] buf, int offset, int len)80         }
81     }
82 }
83