1 /* 2 * Copyright (c) 2009, 2014, 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 4927640 26 * @summary Tests the SCTP protocol implementation 27 * @author chegar 28 */ 29 30 import java.io.IOException; 31 import java.net.InetSocketAddress; 32 import java.net.SocketAddress; 33 import java.util.Iterator; 34 import java.util.Set; 35 import java.util.List; 36 import java.util.Arrays; 37 import java.nio.ByteBuffer; 38 import java.nio.channels.ClosedChannelException; 39 import com.sun.nio.sctp.AbstractNotificationHandler; 40 import com.sun.nio.sctp.Association; 41 import com.sun.nio.sctp.AssociationChangeNotification; 42 import com.sun.nio.sctp.AssociationChangeNotification.AssocChangeEvent; 43 import com.sun.nio.sctp.HandlerResult; 44 import com.sun.nio.sctp.MessageInfo; 45 import com.sun.nio.sctp.SctpChannel; 46 import com.sun.nio.sctp.SctpMultiChannel; 47 import com.sun.nio.sctp.SctpServerChannel; 48 import com.sun.nio.sctp.SctpSocketOption; 49 import java.security.AccessController; 50 import java.security.PrivilegedAction; 51 import static com.sun.nio.sctp.SctpStandardSocketOptions.*; 52 import static java.lang.System.out; 53 54 public class SocketOptionTests { 55 final String osName = AccessController.doPrivileged( 56 (PrivilegedAction<String>)() -> System.getProperty("os.name")); 57 checkOption(SctpMultiChannel smc, SctpSocketOption<T> name, T expectedValue)58 <T> void checkOption(SctpMultiChannel smc, SctpSocketOption<T> name, 59 T expectedValue) throws IOException { 60 T value = smc.getOption(name, null); 61 check(value.equals(expectedValue), name + ": value (" + value + 62 ") not as expected (" + expectedValue + ")"); 63 } 64 optionalSupport(SctpMultiChannel smc, SctpSocketOption<T> name, T value)65 <T> void optionalSupport(SctpMultiChannel smc, SctpSocketOption<T> name, 66 T value) { 67 try { 68 smc.setOption(name, value, null); 69 checkOption(smc, name, value); 70 } catch (IOException e) { 71 /* Informational only, not all options have native support */ 72 out.println(name + " not supported. " + e); 73 } 74 } 75 test(String[] args)76 void test(String[] args) { 77 if (!Util.isSCTPSupported()) { 78 out.println("SCTP protocol is not supported"); 79 out.println("Test cannot be run"); 80 return; 81 } 82 83 try { 84 SctpMultiChannel smc = SctpMultiChannel.open(); 85 86 /* check supported options */ 87 Set<SctpSocketOption<?>> options = smc.supportedOptions(); 88 List<? extends SctpSocketOption<?>> expected = Arrays.<SctpSocketOption<?>>asList( 89 SCTP_DISABLE_FRAGMENTS, SCTP_EXPLICIT_COMPLETE, 90 SCTP_FRAGMENT_INTERLEAVE, SCTP_INIT_MAXSTREAMS, 91 SCTP_NODELAY, SCTP_PRIMARY_ADDR, SCTP_SET_PEER_PRIMARY_ADDR, 92 SO_SNDBUF, SO_RCVBUF, SO_LINGER); 93 94 for (SctpSocketOption opt: expected) { 95 if (!options.contains(opt)) 96 fail(opt.name() + " should be supported"); 97 } 98 99 InitMaxStreams streams = InitMaxStreams.create(1024, 1024); 100 smc.setOption(SCTP_INIT_MAXSTREAMS, streams, null); 101 checkOption(smc, SCTP_INIT_MAXSTREAMS, streams); 102 streams = smc.getOption(SCTP_INIT_MAXSTREAMS, null); 103 check(streams.maxInStreams() == 1024, "Max in streams: value: " 104 + streams.maxInStreams() + ", expected 1024 "); 105 check(streams.maxOutStreams() == 1024, "Max out streams: value: " 106 + streams.maxOutStreams() + ", expected 1024 "); 107 108 optionalSupport(smc, SCTP_DISABLE_FRAGMENTS, true); 109 optionalSupport(smc, SCTP_EXPLICIT_COMPLETE, true); 110 optionalSupport(smc, SCTP_FRAGMENT_INTERLEAVE, 1); 111 112 smc.setOption(SCTP_NODELAY, true, null); 113 checkOption(smc, SCTP_NODELAY, true); 114 smc.setOption(SO_SNDBUF, 16*1024, null); 115 smc.setOption(SO_RCVBUF, 16*1024, null); 116 117 checkOption(smc, SO_LINGER, -1); /* default should be negative */ 118 119 /* Setting SO_LINGER not support for one-to-many on Solaris */ 120 if (!"SunOS".equals(osName)) { 121 smc.setOption(SO_LINGER, 2000, null); 122 checkOption(smc, SO_LINGER, 2000); 123 } 124 125 /* SCTP_PRIMARY_ADDR */ 126 sctpPrimaryAddr(); 127 128 /* NullPointerException */ 129 try { 130 smc.setOption(null, "value", null); 131 fail("NullPointerException not thrown for setOption"); 132 } catch (NullPointerException unused) { 133 pass(); 134 } 135 try { 136 smc.getOption(null, null); 137 fail("NullPointerException not thrown for getOption"); 138 } catch (NullPointerException unused) { 139 pass(); 140 } 141 142 /* ClosedChannelException */ 143 smc.close(); 144 try { 145 smc.setOption(SCTP_INIT_MAXSTREAMS, streams, null); 146 fail("ClosedChannelException not thrown"); 147 } catch (ClosedChannelException unused) { 148 pass(); 149 } 150 } catch (IOException ioe) { 151 unexpected(ioe); 152 } 153 } 154 155 /* SCTP_PRIMARY_ADDR */ sctpPrimaryAddr()156 void sctpPrimaryAddr() throws IOException { 157 SocketAddress addrToSet = null; 158 ByteBuffer buffer = ByteBuffer.allocate(Util.SMALL_BUFFER); 159 160 System.out.println("TESTING SCTP_PRIMARY_ADDR"); 161 162 /* create listening channel */ 163 SctpServerChannel ssc = SctpServerChannel.open().bind(null); 164 Set<SocketAddress> addrs = ssc.getAllLocalAddresses(); 165 if (addrs.isEmpty()) 166 debug("addrs should not be empty"); 167 168 InetSocketAddress serverAddr = (InetSocketAddress) addrs.iterator().next(); 169 170 /* setup an association implicitly by sending a small message */ 171 int streamNumber = 0; 172 debug("sending to " + serverAddr + " on stream number: " + streamNumber); 173 MessageInfo info = MessageInfo.createOutgoing(serverAddr, streamNumber); 174 buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); 175 buffer.flip(); 176 177 debug("sending small message: " + buffer); 178 SctpMultiChannel smc = SctpMultiChannel.open(); 179 int sent = smc.send(buffer, info); 180 181 /* Receive the COMM_UP */ 182 buffer.clear(); 183 SOTNotificationHandler handler = new SOTNotificationHandler(); 184 info = smc.receive(buffer, null, handler); 185 check(handler.receivedCommUp(), "COMM_UP no received"); 186 Set<Association> associations = smc.associations(); 187 check(!associations.isEmpty(),"There should be some associations"); 188 Association assoc = associations.iterator().next(); 189 190 SctpChannel peerChannel = ssc.accept(); 191 ssc.close(); 192 Set<SocketAddress> peerAddrs = peerChannel.getAllLocalAddresses(); 193 debug("Peer local Addresses: "); 194 for (Iterator<SocketAddress> it = peerAddrs.iterator(); it.hasNext(); ) { 195 InetSocketAddress addr = (InetSocketAddress)it.next(); 196 debug("\t" + addr); 197 addrToSet = addr; // any of the peer addresses will do! 198 } 199 200 /* retrieval of SCTP_PRIMARY_ADDR is not supported on Solaris */ 201 if ("SunOS".equals(osName)) { 202 /* For now do not set this option. There is a bug on Solaris 10 pre Update 5 203 * where setting this option returns Invalid argument */ 204 //debug("Set SCTP_PRIMARY_ADDR with " + addrToSet); 205 //smc.setOption(SCTP_PRIMARY_ADDR, addrToSet, assoc); 206 return; 207 } else { /* Linux */ 208 SocketAddress primaryAddr = smc.getOption(SCTP_PRIMARY_ADDR, assoc); 209 System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr); 210 /* Verify that this is one of the peer addresses */ 211 boolean found = false; 212 addrToSet = primaryAddr; // may not have more than one addr 213 for (Iterator<SocketAddress> it = peerAddrs.iterator(); it.hasNext(); ) { 214 InetSocketAddress addr = (InetSocketAddress)it.next(); 215 if (addr.equals(primaryAddr)) { 216 found = true; 217 } 218 addrToSet = addr; 219 } 220 check(found, "SCTP_PRIMARY_ADDR returned bogus address!"); 221 222 System.out.println("Try SCTP_PRIMARY_ADDR set to: " + addrToSet); 223 smc.setOption(SCTP_PRIMARY_ADDR, addrToSet, assoc); 224 System.out.println("SCTP_PRIMARY_ADDR set to: " + addrToSet); 225 primaryAddr = smc.getOption(SCTP_PRIMARY_ADDR, assoc); 226 System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr); 227 check(addrToSet.equals(primaryAddr),"SCTP_PRIMARY_ADDR not set correctly"); 228 } 229 } 230 231 class SOTNotificationHandler extends AbstractNotificationHandler<Object> 232 { 233 boolean receivedCommUp; // false 234 receivedCommUp()235 boolean receivedCommUp() { 236 return receivedCommUp; 237 } 238 239 @Override handleNotification( AssociationChangeNotification notification, Object attachment)240 public HandlerResult handleNotification( 241 AssociationChangeNotification notification, Object attachment) { 242 AssocChangeEvent event = notification.event(); 243 debug("AssociationChangeNotification"); 244 debug(" Association: " + notification.association()); 245 debug(" Event: " + event); 246 247 if (event.equals(AssocChangeEvent.COMM_UP)) 248 receivedCommUp = true; 249 250 return HandlerResult.RETURN; 251 } 252 } 253 254 //--------------------- Infrastructure --------------------------- 255 boolean debug = true; 256 volatile int passed = 0, failed = 0; pass()257 void pass() {passed++;} fail()258 void fail() {failed++; Thread.dumpStack();} fail(String msg)259 void fail(String msg) {System.err.println(msg); fail();} unexpected(Throwable t)260 void unexpected(Throwable t) {failed++; t.printStackTrace();} check(boolean cond)261 void check(boolean cond) {if (cond) pass(); else fail();} check(boolean cond, String failMessage)262 void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);} debug(String message)263 void debug(String message) {if(debug) { System.out.println(message); } } main(String[] args)264 public static void main(String[] args) throws Throwable { 265 Class<?> k = new Object(){}.getClass().getEnclosingClass(); 266 try {k.getMethod("instanceMain",String[].class) 267 .invoke( k.newInstance(), (Object) args);} 268 catch (Throwable e) {throw e.getCause();}} instanceMain(String[] args)269 public void instanceMain(String[] args) throws Throwable { 270 try {test(args);} catch (Throwable t) {unexpected(t);} 271 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 272 if (failed > 0) throw new AssertionError("Some tests failed");} 273 } 274