1 /* 2 * Copyright (c) 2001, 2012, 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 /* @test 25 * @bug 4472769 26 * @summary Stubs and skeletons used to implement the RMI registry 27 * implementation and the bootstrap stubs must always follow certain 28 * "well known" protocols so that they otherwise need not be in sync-- 29 * in other words, a registry stub from any arbitrary J2SE vendor and 30 * version must be able to communicate with a registry skeleton from 31 * any other arbitrary J2SE vendor and version. In addition to 32 * (unfortunately) using the old "-v1.1" stub/skeleton invocation 33 * protocol, with its unevolvable operation number scheme, they must 34 * always use the same value for the -v1.1 stub/skeleton 35 * "interface hash": 4905912898345647071L. 36 * 37 * @author Peter Jones 38 * @library ../../testlibrary 39 * @build TestLibrary ReferenceRegistryStub 40 * @run main/othervm InterfaceHash 41 * @key intermittent 42 */ 43 44 import java.lang.reflect.Constructor; 45 import java.lang.reflect.Method; 46 import java.rmi.Remote; 47 import java.rmi.registry.Registry; 48 import java.rmi.registry.LocateRegistry; 49 import java.rmi.server.ObjID; 50 import java.rmi.server.Operation; 51 import java.rmi.server.RemoteCall; 52 import java.rmi.server.RemoteObject; 53 import java.rmi.server.RemoteRef; 54 import java.util.Arrays; 55 56 import sun.rmi.server.UnicastRef; 57 import sun.rmi.transport.LiveRef; 58 import sun.rmi.transport.tcp.TCPEndpoint; 59 60 public class InterfaceHash { 61 62 private static final int PORT = TestLibrary.getUnusedRandomPort(); 63 private static final String NAME = "WMM"; 64 65 public static void main(String[] args) throws Exception { 66 System.err.println("\nRegression test for bug 4472769"); 67 68 System.err.println( 69 "\n=== verifying that J2SE registry's skeleton uses" + 70 "\ncorrect interface hash and operation numbers:"); 71 72 Registry testImpl = LocateRegistry.createRegistry(PORT); 73 System.err.println("created test registry on port " + PORT); 74 75 RemoteRef ref = new UnicastRef( 76 new LiveRef(new ObjID(ObjID.REGISTRY_ID), 77 new TCPEndpoint("", PORT), false)); 78 Registry referenceStub = new ReferenceRegistryStub(ref); 79 System.err.println("created reference registry stub: " + 80 referenceStub); 81 82 referenceStub.bind(NAME, referenceStub); 83 System.err.println("bound name \"" + NAME + "\" in registry"); 84 85 String[] list = referenceStub.list(); 86 System.err.println("list of registry contents: " + 87 Arrays.asList(list)); 88 if (list.length != 1 || !list[0].equals(NAME)) { 89 throw new RuntimeException( 90 "TEST FAILED: unexpected list contents"); 91 } 92 93 Registry result = (Registry) referenceStub.lookup(NAME); 94 System.err.println("lookup of name \"" + NAME + "\" returned: " + 95 result); 96 if (!result.equals(referenceStub)) { 97 throw new RuntimeException( 98 "TEST FAILED: unexpected lookup result"); 99 } 100 101 referenceStub.rebind(NAME, referenceStub); 102 referenceStub.unbind(NAME); 103 System.err.println("unbound name \"" + NAME + "\""); 104 105 list = referenceStub.list(); 106 System.err.println("list of registry contents: " + 107 Arrays.asList(list)); 108 if (list.length != 0) { 109 throw new RuntimeException("TEST FAILED: list not empty"); 110 } 111 112 System.err.println("\n=== verifying that J2SE registry's stub uses" + 113 "correct interface hash:"); 114 115 class FakeRemoteRef implements RemoteRef { 116 long hash; 117 int opnum; 118 public RemoteCall newCall(RemoteObject obj, Operation[] op, 119 int opnum, long hash) 120 { 121 this.hash = hash; 122 this.opnum = opnum; 123 throw new UnsupportedOperationException(); 124 } 125 public void invoke(RemoteCall call) { } 126 public void done(RemoteCall call) { } 127 public Object invoke(Remote obj, Method method, 128 Object[] args, long hash) 129 { 130 throw new UnsupportedOperationException(); 131 } 132 public String getRefClass(java.io.ObjectOutput out) { 133 return "FakeRemoteRef"; 134 } 135 public int remoteHashCode() { return 1013; } 136 public boolean remoteEquals(RemoteRef obj) { return false; } 137 public String remoteToString() { return "FakeRemoteRef"; } 138 public void writeExternal(java.io.ObjectOutput out) { } 139 public void readExternal(java.io.ObjectInput in) { } 140 } 141 FakeRemoteRef f = new FakeRemoteRef(); 142 143 Registry testRegistry = LocateRegistry.getRegistry(PORT); 144 System.err.println("created original test registry stub: " + 145 testRegistry); 146 147 Class stubClass = testRegistry.getClass(); 148 System.err.println("test registry stub class: " + stubClass); 149 150 Constructor cons = stubClass.getConstructor( 151 new Class[] { RemoteRef.class }); 152 Registry testStub = (Registry) cons.newInstance( 153 new Object[] { f }); 154 System.err.println("created new instrumented test registry stub: " + 155 testStub); 156 157 System.err.println("invoking bind:"); 158 try { 159 testStub.bind(NAME, referenceStub); 160 } catch (UnsupportedOperationException e) { 161 } 162 System.err.println("hash == " + f.hash + ", opnum == " + f.opnum); 163 if (f.hash != 4905912898345647071L) { 164 throw new RuntimeException("TEST FAILED: wrong interface hash"); 165 } else if (f.opnum != 0) { 166 throw new RuntimeException("TEST FAILED: wrong operation number"); 167 } 168 169 System.err.println("invoking list:"); 170 try { 171 testStub.list(); 172 } catch (UnsupportedOperationException e) { 173 } 174 System.err.println("hash == " + f.hash + ", opnum == " + f.opnum); 175 if (f.hash != 4905912898345647071L) { 176 throw new RuntimeException("TEST FAILED: wrong interface hash"); 177 } else if (f.opnum != 1) { 178 throw new RuntimeException("TEST FAILED: wrong operation number"); 179 } 180 181 System.err.println("invoking lookup:"); 182 try { 183 testStub.lookup(NAME); 184 } catch (UnsupportedOperationException e) { 185 } 186 System.err.println("hash == " + f.hash + ", opnum == " + f.opnum); 187 if (f.hash != 4905912898345647071L) { 188 throw new RuntimeException("TEST FAILED: wrong interface hash"); 189 } else if (f.opnum != 2) { 190 throw new RuntimeException("TEST FAILED: wrong operation number"); 191 } 192 193 System.err.println("invoking rebind:"); 194 try { 195 testStub.rebind(NAME, referenceStub); 196 } catch (UnsupportedOperationException e) { 197 } 198 System.err.println("hash == " + f.hash + ", opnum == " + f.opnum); 199 if (f.hash != 4905912898345647071L) { 200 throw new RuntimeException("TEST FAILED: wrong interface hash"); 201 } else if (f.opnum != 3) { 202 throw new RuntimeException("TEST FAILED: wrong operation number"); 203 } 204 205 System.err.println("invoking unbind:"); 206 try { 207 testStub.unbind(NAME); 208 } catch (UnsupportedOperationException e) { 209 } 210 System.err.println("hash == " + f.hash + ", opnum == " + f.opnum); 211 if (f.hash != 4905912898345647071L) { 212 throw new RuntimeException("TEST FAILED: wrong interface hash"); 213 } else if (f.opnum != 4) { 214 throw new RuntimeException("TEST FAILED: wrong operation number"); 215 } 216 217 System.err.println("TEST PASSED"); 218 } 219 }