1 /* 2 * Copyright (c) 2015, 2019, 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 8067846 26 * @summary Test for send failed notification 27 */ 28 29 import com.sun.nio.sctp.*; 30 import java.io.IOException; 31 import java.net.InetAddress; 32 import java.net.InetSocketAddress; 33 import java.net.SocketAddress; 34 import java.nio.ByteBuffer; 35 import static java.lang.System.out; 36 import static java.nio.ByteBuffer.*; 37 38 public class SendFailed { 39 40 static final SocketAddress remoteAddress = new InetSocketAddress(InetAddress.getLoopbackAddress(), 3000); 41 42 static final int[] bufferSizes = 43 { 20, 49, 50, 51, 100, 101, 1024, 1025, 4095, 4096, 4097, 8191, 8192, 8193}; 44 45 void test(String[] args) throws IOException { 46 SocketAddress address = null; 47 String os = System.getProperty("os.name").toLowerCase(); 48 49 if (!Util.isSCTPSupported()) { 50 out.println("SCTP protocol is not supported"); 51 out.println("Test cannot be run"); 52 return; 53 } else if (os.startsWith("sunos")) { 54 out.println("Test not supported on Solaris"); 55 out.println("Test cannot be run"); 56 return; 57 } 58 59 System.out.println("remote address: " + remoteAddress); 60 System.out.println("Note, remote address should not be up"); 61 62 /* combinations with various buffer sizes, and offsets */ 63 for (int send=0; send < bufferSizes.length; send++) { 64 for (int recv=0; recv < bufferSizes.length; recv++) { 65 for (boolean direct : new boolean[] {true, false}) 66 runWithManyOffsets(bufferSizes[send], bufferSizes[recv], direct); 67 } 68 } 69 } 70 71 void runWithManyOffsets(int sendBufferSize, int recvBufferSize, boolean direct) 72 throws IOException 73 { 74 doTest(sendBufferSize, recvBufferSize, direct, 0); 75 doTest(sendBufferSize, recvBufferSize, direct, 1); 76 doTest(sendBufferSize, recvBufferSize, direct, 3); 77 doTest(sendBufferSize, recvBufferSize, direct, 7); 78 doTest(sendBufferSize, recvBufferSize, direct, 9); 79 doTest(sendBufferSize, recvBufferSize, direct, 13); 80 doTest(sendBufferSize, recvBufferSize, direct, 15); 81 } 82 83 void doTest(int sendBufferSize, int recvBufferSize, boolean direct, int offset) 84 throws IOException 85 { 86 debug("%n--- Testing with send size:[%d], recv size:[%d], offset:[%d] " 87 + ", direct [%s]. ", sendBufferSize, recvBufferSize, offset, direct); 88 89 try (SctpMultiChannel channel = SctpMultiChannel.open()) { 90 MessageInfo messageInfo = MessageInfo.createOutgoing(remoteAddress, 0); 91 ByteBuffer sendBuffer = filledBuffer(sendBufferSize, direct); 92 93 debug("%nAttempting to send to %s. ", remoteAddress); 94 int sent = channel.send(sendBuffer, messageInfo); 95 sendBuffer.flip(); 96 97 SendFailedNotificationHandler handler = 98 new SendFailedNotificationHandler(); 99 ByteBuffer recvBuffer = direct ? allocateDirect(recvBufferSize) 100 : allocate((recvBufferSize)); 101 MessageInfo info = channel.receive(recvBuffer, null, handler); 102 debug("receive returned info:" + info); 103 104 if (handler.receivedSendFailed) { 105 // verify sent buffer received by send failed notification 106 ByteBuffer buffer = handler.getSendFailedByteBuffer(); 107 check(buffer.remaining() == sent); 108 check(buffer.position() == 0); 109 check(buffer.limit() == sent); 110 assertSameContent(sendBuffer, handler.getSendFailedByteBuffer()); 111 } else { 112 debug("Unexpected event or received data. Check output."); 113 } 114 } 115 } 116 117 class SendFailedNotificationHandler extends AbstractNotificationHandler<Object> 118 { 119 /** Reference to the buffer captured in send failed notification */ 120 private ByteBuffer sentBuffer; 121 boolean receivedSendFailed; 122 123 @Override 124 public HandlerResult handleNotification( 125 Notification notification, Object attachment) { 126 fail("Unknown notification type"); 127 return HandlerResult.CONTINUE; 128 } 129 130 @Override 131 public HandlerResult handleNotification( 132 AssociationChangeNotification notification, Object attachment) { 133 AssociationChangeNotification.AssocChangeEvent event = notification.event(); 134 debug("%nAssociationChangeNotification"); 135 debug("%n Association: %s. ", notification.association()); 136 debug("%n Event: %s. ", event); 137 return HandlerResult.CONTINUE; 138 } 139 140 @Override 141 public HandlerResult handleNotification( 142 SendFailedNotification notification, Object attachment) { 143 debug("%nSendFailedNotification: %s. ", notification); 144 receivedSendFailed = true; 145 sentBuffer = notification.buffer(); 146 return HandlerResult.RETURN; 147 } 148 149 public ByteBuffer getSendFailedByteBuffer() { 150 return sentBuffer; 151 } 152 153 @Override 154 public HandlerResult handleNotification( 155 PeerAddressChangeNotification pacn, Object attachment) 156 { 157 debug("%nPeerAddressChangeNotification: %s", pacn); 158 return HandlerResult.CONTINUE; 159 } 160 161 @Override 162 public HandlerResult handleNotification( 163 ShutdownNotification notification, Object attachment) { 164 debug("%nShutdownNotification"); 165 debug("%n Association: %s. ", notification.association()); 166 return HandlerResult.CONTINUE; 167 } 168 } 169 170 static ByteBuffer filledBuffer(int size, boolean direct) { 171 ByteBuffer buffer = direct ? allocateDirect(size) : allocate((size)); 172 for (int i=0; i< size; i++) 173 buffer.put((byte)i); 174 buffer.flip(); 175 return buffer; 176 } 177 178 static void assertSameContent(ByteBuffer bb1, ByteBuffer bb2) { 179 if (!bb1.equals(bb2)) 180 throw new RuntimeException("Buffers are not equal; bb1: " + bb1 + ", bb2: " + bb2); 181 } 182 183 //--------------------- Infrastructure --------------------------- 184 boolean debug = true; 185 volatile int passed = 0, failed = 0; 186 void pass() {passed++;} 187 void fail() {failed++; Thread.dumpStack();} 188 void fail(String msg) {System.err.println(msg); fail();} 189 void unexpected(Throwable t) {failed++; t.printStackTrace();} 190 void check(boolean cond) {if (cond) pass(); else fail();} 191 void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);} 192 void debug(String message, Object... args) {if(debug) { out.printf(message, args); } } 193 public static void main(String[] args) throws Throwable { 194 Class<?> k = new Object(){}.getClass().getEnclosingClass(); 195 try {k.getMethod("instanceMain",String[].class) 196 .invoke( k.newInstance(), (Object) args);} 197 catch (Throwable e) {throw e.getCause();}} 198 public void instanceMain(String[] args) throws Throwable { 199 try {test(args);} catch (Throwable t) {unexpected(t);} 200 out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 201 if (failed > 0) throw new AssertionError("Some tests failed");} 202 }