1 /* 2 * Copyright (c) 2009, 2010, 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.net.InetSocketAddress; 31 import java.net.SocketAddress; 32 import java.io.IOException; 33 import java.util.Set; 34 import java.util.Iterator; 35 import java.util.concurrent.CountDownLatch; 36 import java.util.concurrent.TimeUnit; 37 import java.nio.ByteBuffer; 38 import com.sun.nio.sctp.Association; 39 import com.sun.nio.sctp.InvalidStreamException; 40 import com.sun.nio.sctp.MessageInfo; 41 import com.sun.nio.sctp.SctpMultiChannel; 42 import static java.lang.System.out; 43 import static java.lang.System.err; 44 45 public class Send { 46 /* Latches used to synchronize between the client and server so that 47 * connections without any IO may not be closed without being accepted */ 48 final CountDownLatch clientFinishedLatch = new CountDownLatch(1); 49 final CountDownLatch serverFinishedLatch = new CountDownLatch(1); 50 test(String[] args)51 void test(String[] args) { 52 SocketAddress address = null; 53 Server server = null; 54 55 if (!Util.isSCTPSupported()) { 56 out.println("SCTP protocol is not supported"); 57 out.println("Test cannot be run"); 58 return; 59 } 60 61 if (args.length == 2) { 62 /* requested to connecct to a specific address */ 63 try { 64 int port = Integer.valueOf(args[1]); 65 address = new InetSocketAddress(args[0], port); 66 } catch (NumberFormatException nfe) { 67 err.println(nfe); 68 } 69 } else { 70 /* start server on local machine, default */ 71 try { 72 server = new Server(); 73 server.start(); 74 address = server.address(); 75 debug("Server started and listening on " + address); 76 } catch (IOException ioe) { 77 ioe.printStackTrace(); 78 return; 79 } 80 } 81 82 doTest(address); 83 } 84 doTest(SocketAddress peerAddress)85 void doTest(SocketAddress peerAddress) { 86 SctpMultiChannel channel = null; 87 ByteBuffer buffer = ByteBuffer.allocate(Util.LARGE_BUFFER); 88 MessageInfo info = MessageInfo.createOutgoing(null, 0); 89 90 try { 91 channel = SctpMultiChannel.open(); 92 93 /* TEST 1: send small message */ 94 int streamNumber = 0; 95 debug("sending to " + peerAddress + " on stream number: " + streamNumber); 96 info = MessageInfo.createOutgoing(peerAddress, streamNumber); 97 buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); 98 buffer.flip(); 99 int position = buffer.position(); 100 int remaining = buffer.remaining(); 101 102 debug("sending small message: " + buffer); 103 int sent = channel.send(buffer, info); 104 105 check(sent == remaining, "sent should be equal to remaining"); 106 check(buffer.position() == (position + sent), 107 "buffers position should have been incremented by sent"); 108 109 /* TEST 2: receive the echoed message */ 110 buffer.clear(); 111 info = channel.receive(buffer, null, null); 112 buffer.flip(); 113 check(info != null, "info is null"); 114 check(info.streamNumber() == streamNumber, 115 "message not sent on the correct stream"); 116 check(info.bytes() == Util.SMALL_MESSAGE.getBytes("ISO-8859-1"). 117 length, "bytes received not equal to message length"); 118 check(info.bytes() == buffer.remaining(), "bytes != remaining"); 119 check(Util.compare(buffer, Util.SMALL_MESSAGE), 120 "received message not the same as sent message"); 121 122 123 /* TEST 3: send large message */ 124 Set<Association> assocs = channel.associations(); 125 check(assocs.size() == 1, "there should be only one association"); 126 Iterator<Association> it = assocs.iterator(); 127 check(it.hasNext()); 128 Association assoc = it.next(); 129 streamNumber = assoc.maxOutboundStreams() - 1; 130 131 debug("sending on stream number: " + streamNumber); 132 info = MessageInfo.createOutgoing(assoc, null, streamNumber); 133 buffer.clear(); 134 buffer.put(Util.LARGE_MESSAGE.getBytes("ISO-8859-1")); 135 buffer.flip(); 136 position = buffer.position(); 137 remaining = buffer.remaining(); 138 139 debug("sending large message: " + buffer); 140 sent = channel.send(buffer, info); 141 142 check(sent == remaining, "sent should be equal to remaining"); 143 check(buffer.position() == (position + sent), 144 "buffers position should have been incremented by sent"); 145 146 /* TEST 4: receive the echoed message */ 147 buffer.clear(); 148 info = channel.receive(buffer, null, null); 149 buffer.flip(); 150 check(info != null, "info is null"); 151 check(info.streamNumber() == streamNumber, 152 "message not sent on the correct stream"); 153 check(info.bytes() == Util.LARGE_MESSAGE.getBytes("ISO-8859-1"). 154 length, "bytes received not equal to message length"); 155 check(info.bytes() == buffer.remaining(), "bytes != remaining"); 156 check(Util.compare(buffer, Util.LARGE_MESSAGE), 157 "received message not the same as sent message"); 158 159 160 /* TEST 5: InvalidStreamExcepton */ 161 streamNumber = assoc.maxOutboundStreams() + 1; 162 info = MessageInfo.createOutgoing(assoc, null, streamNumber); 163 buffer.clear(); 164 buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); 165 buffer.flip(); 166 position = buffer.position(); 167 remaining = buffer.remaining(); 168 169 debug("sending on stream number: " + streamNumber); 170 debug("sending small message: " + buffer); 171 try { 172 sent = channel.send(buffer, info); 173 fail("should have thrown InvalidStreamExcepton"); 174 } catch (InvalidStreamException ise){ 175 pass(); 176 } catch (IOException ioe) { 177 unexpected(ioe); 178 } 179 check(buffer.remaining() == remaining, 180 "remaining should not be changed"); 181 check(buffer.position() == position, 182 "buffers position should not be changed"); 183 184 185 /* TEST 5: getRemoteAddresses(Association) */ 186 channel.getRemoteAddresses(assoc); 187 188 /* TEST 6: Send from heap buffer to force implementation to 189 * substitute with a native buffer, then check that its position 190 * is updated correctly */ 191 info = MessageInfo.createOutgoing(assoc, null, 0); 192 buffer.clear(); 193 buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); 194 buffer.flip(); 195 final int offset = 1; 196 buffer.position(offset); 197 remaining = buffer.remaining(); 198 199 try { 200 sent = channel.send(buffer, info); 201 202 check(sent == remaining, "sent should be equal to remaining"); 203 check(buffer.position() == (offset + sent), 204 "buffers position should have been incremented by sent"); 205 } catch (IllegalArgumentException iae) { 206 fail(iae + ", Error updating buffers position"); 207 } 208 209 } catch (IOException ioe) { 210 unexpected(ioe); 211 } finally { 212 clientFinishedLatch.countDown(); 213 try { serverFinishedLatch.await(10L, TimeUnit.SECONDS); } 214 catch (InterruptedException ie) { unexpected(ie); } 215 if (channel != null) { 216 try { channel.close(); } 217 catch (IOException e) { unexpected (e);} 218 } 219 } 220 } 221 222 class Server implements Runnable 223 { 224 final InetSocketAddress serverAddr; 225 private SctpMultiChannel serverChannel; 226 Server()227 public Server() throws IOException { 228 serverChannel = SctpMultiChannel.open().bind(null); 229 java.util.Set<SocketAddress> addrs = serverChannel.getAllLocalAddresses(); 230 if (addrs.isEmpty()) 231 debug("addrs should not be empty"); 232 233 serverAddr = (InetSocketAddress) addrs.iterator().next(); 234 } 235 start()236 public void start() { 237 (new Thread(this, "Server-" + serverAddr.getPort())).start(); 238 } 239 address()240 public InetSocketAddress address() { 241 return serverAddr; 242 } 243 244 @Override run()245 public void run() { 246 ByteBuffer buffer = ByteBuffer.allocateDirect(Util.LARGE_BUFFER); 247 try { 248 MessageInfo info; 249 250 /* receive a small message */ 251 do { 252 info = serverChannel.receive(buffer, null, null); 253 if (info == null) { 254 fail("Server: unexpected null from receive"); 255 return; 256 } 257 } while (!info.isComplete()); 258 259 buffer.flip(); 260 check(info != null, "info is null"); 261 check(info.streamNumber() == 0, 262 "message not sent on the correct stream"); 263 check(info.bytes() == Util.SMALL_MESSAGE.getBytes("ISO-8859-1"). 264 length, "bytes received not equal to message length"); 265 check(info.bytes() == buffer.remaining(), "bytes != remaining"); 266 check(Util.compare(buffer, Util.SMALL_MESSAGE), 267 "received message not the same as sent message"); 268 269 check(info != null, "info is null"); 270 Set<Association> assocs = serverChannel.associations(); 271 check(assocs.size() == 1, "there should be only one association"); 272 Iterator<Association> it = assocs.iterator(); 273 check(it.hasNext()); 274 Association assoc = it.next(); 275 276 /* echo the message */ 277 debug("Server: echoing first message"); 278 buffer.flip(); 279 int bytes = serverChannel.send(buffer, info); 280 debug("Server: sent " + bytes + "bytes"); 281 282 /* receive a large message */ 283 buffer.clear(); 284 do { 285 info = serverChannel.receive(buffer, null, null); 286 if (info == null) { 287 fail("Server: unexpected null from receive"); 288 return; 289 } 290 } while (!info.isComplete()); 291 292 buffer.flip(); 293 294 check(info.streamNumber() == assoc.maxInboundStreams() - 1, 295 "message not sent on the correct stream"); 296 check(info.bytes() == Util.LARGE_MESSAGE.getBytes("ISO-8859-1"). 297 length, "bytes received not equal to message length"); 298 check(info.bytes() == buffer.remaining(), "bytes != remaining"); 299 check(Util.compare(buffer, Util.LARGE_MESSAGE), 300 "received message not the same as sent message"); 301 302 /* echo the message */ 303 debug("Server: echoing second message"); 304 buffer.flip(); 305 bytes = serverChannel.send(buffer, info); 306 debug("Server: sent " + bytes + "bytes"); 307 308 /* TEST 6 */ 309 ByteBuffer expected = ByteBuffer.allocate(Util.SMALL_BUFFER); 310 expected.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); 311 expected.flip(); 312 final int offset = 1; 313 expected.position(offset); 314 buffer.clear(); 315 do { 316 info = serverChannel.receive(buffer, null, null); 317 if (info == null) { 318 fail("Server: unexpected null from receive"); 319 return; 320 } 321 } while (!info.isComplete()); 322 323 buffer.flip(); 324 check(info != null, "info is null"); 325 check(info.streamNumber() == 0, "message not sent on the correct stream"); 326 check(info.bytes() == expected.remaining(), 327 "bytes received not equal to message length"); 328 check(info.bytes() == buffer.remaining(), "bytes != remaining"); 329 check(expected.equals(buffer), 330 "received message not the same as sent message"); 331 332 clientFinishedLatch.await(10L, TimeUnit.SECONDS); 333 serverFinishedLatch.countDown(); 334 } catch (IOException ioe) { 335 unexpected(ioe); 336 } catch (InterruptedException ie) { 337 unexpected(ie); 338 } finally { 339 try { if (serverChannel != null) serverChannel.close(); } 340 catch (IOException unused) {} 341 } 342 } 343 } 344 345 //--------------------- Infrastructure --------------------------- 346 boolean debug = true; 347 volatile int passed = 0, failed = 0; pass()348 void pass() {passed++;} fail()349 void fail() {failed++; Thread.dumpStack();} fail(String msg)350 void fail(String msg) {System.err.println(msg); fail();} unexpected(Throwable t)351 void unexpected(Throwable t) {failed++; t.printStackTrace();} check(boolean cond)352 void check(boolean cond) {if (cond) pass(); else fail();} check(boolean cond, String failMessage)353 void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);} debug(String message)354 void debug(String message) {if(debug) { System.out.println(message); } } main(String[] args)355 public static void main(String[] args) throws Throwable { 356 Class<?> k = new Object(){}.getClass().getEnclosingClass(); 357 try {k.getMethod("instanceMain",String[].class) 358 .invoke( k.newInstance(), (Object) args);} 359 catch (Throwable e) {throw e.getCause();}} instanceMain(String[] args)360 public void instanceMain(String[] args) throws Throwable { 361 try {test(args);} catch (Throwable t) {unexpected(t);} 362 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 363 if (failed > 0) throw new AssertionError("Some tests failed");} 364 365 } 366