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| 1 | +/* |
| 2 | + * Copyright (c) 2022, 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 | +/* |
| 25 | + * @test |
| 26 | + * @library /test/lib |
| 27 | + * @bug 8278067 |
| 28 | + * @run main/othervm -Dhttp.keepAlive.time.server=30 KeepAliveProperty long |
| 29 | + * @run main/othervm -Dhttp.keepAlive.time.server=1 KeepAliveProperty short |
| 30 | + * @run main/othervm -ea -Dhttp.keepAlive.time.server=0 KeepAliveProperty short |
| 31 | + */ |
| 32 | + |
| 33 | +import java.net.*; |
| 34 | +import java.io.*; |
| 35 | +import java.nio.charset.*; |
| 36 | +import java.util.logging.*; |
| 37 | +import jdk.test.lib.net.URIBuilder; |
| 38 | +import static java.net.Proxy.NO_PROXY; |
| 39 | + |
| 40 | +public class KeepAliveProperty { |
| 41 | + |
| 42 | + static volatile boolean pass = false; |
| 43 | + |
| 44 | + static class Server extends Thread { |
| 45 | + final ServerSocket server; |
| 46 | + |
| 47 | + Server (ServerSocket server) { |
| 48 | + super (); |
| 49 | + this.server = server; |
| 50 | + } |
| 51 | + |
| 52 | + void readAll (Socket s) throws IOException { |
| 53 | + byte[] buf = new byte [128]; |
| 54 | + int c; |
| 55 | + String request = ""; |
| 56 | + InputStream is = s.getInputStream (); |
| 57 | + while ((c=is.read(buf)) > 0) { |
| 58 | + request += new String(buf, 0, c, StandardCharsets.US_ASCII); |
| 59 | + if (request.contains("\r\n\r\n")) { |
| 60 | + return; |
| 61 | + } |
| 62 | + } |
| 63 | + if (c == -1) |
| 64 | + throw new IOException("Socket closed"); |
| 65 | + } |
| 66 | + |
| 67 | + Socket s = null; |
| 68 | + String BODY; |
| 69 | + String CLEN; |
| 70 | + PrintStream out; |
| 71 | + |
| 72 | + public void run() { |
| 73 | + try { |
| 74 | + s = server.accept(); |
| 75 | + readAll(s); |
| 76 | + |
| 77 | + BODY = "Hello world"; |
| 78 | + CLEN = "Content-Length: " + BODY.length() + "\r\n"; |
| 79 | + out = new PrintStream(new BufferedOutputStream(s.getOutputStream() )); |
| 80 | + |
| 81 | + /* send the header */ |
| 82 | + out.print("HTTP/1.1 200 OK\r\n"); |
| 83 | + out.print("Content-Type: text/plain; charset=iso-8859-1\r\n"); |
| 84 | + out.print(CLEN); |
| 85 | + out.print("\r\n"); |
| 86 | + out.print(BODY); |
| 87 | + out.flush(); |
| 88 | + } catch (Exception e) { |
| 89 | + pass = false; |
| 90 | + try { |
| 91 | + if (s != null) |
| 92 | + s.close(); |
| 93 | + server.close(); |
| 94 | + } catch (IOException unused) {} |
| 95 | + return; |
| 96 | + } |
| 97 | + |
| 98 | + // second request may legitimately fail |
| 99 | + |
| 100 | + try (Socket s2 = s; ServerSocket server2 = server; PrintStream out2 = out) { |
| 101 | + // wait for second request. |
| 102 | + readAll(s2); |
| 103 | + |
| 104 | + BODY = "Goodbye world"; |
| 105 | + CLEN = "Content-Length: " + BODY.length() + "\r\n"; |
| 106 | + |
| 107 | + /* send the header */ |
| 108 | + out2.print("HTTP/1.1 200 OK\r\n"); |
| 109 | + out2.print("Content-Type: text/plain; charset=iso-8859-1\r\n"); |
| 110 | + out2.print(CLEN); |
| 111 | + out2.print("\r\n"); |
| 112 | + out2.print(BODY); |
| 113 | + out2.flush(); |
| 114 | + pass = !expectClose; |
| 115 | + if (!pass) System.out.println("Failed: expected close"); |
| 116 | + } catch (Exception e) { |
| 117 | + pass = expectClose; |
| 118 | + if (!pass) System.out.println("Failed: did not expect close"); |
| 119 | + } |
| 120 | + } |
| 121 | + } |
| 122 | + |
| 123 | + static String fetch(URL url) throws Exception { |
| 124 | + InputStream in = url.openConnection(NO_PROXY).getInputStream(); |
| 125 | + String s = ""; |
| 126 | + byte b[] = new byte[128]; |
| 127 | + int n; |
| 128 | + do { |
| 129 | + n = in.read(b); |
| 130 | + if (n > 0) |
| 131 | + s += new String(b, 0, n, StandardCharsets.US_ASCII); |
| 132 | + } while (n > 0); |
| 133 | + in.close(); |
| 134 | + return s; |
| 135 | + } |
| 136 | + |
| 137 | + static volatile boolean expectClose; |
| 138 | + |
| 139 | + public static void main(String args[]) throws Exception { |
| 140 | + // exercise the logging code |
| 141 | + Logger logger = Logger.getLogger("sun.net.www.protocol.http.HttpURLConnection"); |
| 142 | + logger.setLevel(Level.FINEST); |
| 143 | + ConsoleHandler h = new ConsoleHandler(); |
| 144 | + h.setLevel(Level.FINEST); |
| 145 | + logger.addHandler(h); |
| 146 | + |
| 147 | + expectClose = args[0].equals("short"); |
| 148 | + InetAddress loopback = InetAddress.getLoopbackAddress(); |
| 149 | + ServerSocket ss = new ServerSocket(); |
| 150 | + ss.bind(new InetSocketAddress(loopback, 0)); |
| 151 | + Server s = new Server(ss); |
| 152 | + s.start(); |
| 153 | + |
| 154 | + URL url = URIBuilder.newBuilder() |
| 155 | + .scheme("http") |
| 156 | + .loopback() |
| 157 | + .port(ss.getLocalPort()) |
| 158 | + .toURL(); |
| 159 | + System.out.println("URL: " + url); |
| 160 | + |
| 161 | + if (!fetch(url).equals("Hello world")) |
| 162 | + throw new RuntimeException("Failed on first request"); |
| 163 | + |
| 164 | + // Wait a while to see if connection is closed |
| 165 | + Thread.sleep(3 * 1000); |
| 166 | + |
| 167 | + try { |
| 168 | + if (!fetch(url).equals("Goodbye world")) |
| 169 | + throw new RuntimeException("Failed on second request"); |
| 170 | + } catch (Exception e) { |
| 171 | + if (!expectClose) |
| 172 | + throw e; |
| 173 | + } |
| 174 | + |
| 175 | + if (!pass) |
| 176 | + throw new RuntimeException("Failed in server"); |
| 177 | + } |
| 178 | +} |
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