1 /*
2 * Copyright (c) 2015, 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.InetSocketAddress;
32 import java.net.SocketAddress;
33 import java.nio.ByteBuffer;
34 import static java.lang.System.out;
35 import static java.nio.ByteBuffer.*;
36
37 public class SendFailed {
38
39 static final SocketAddress remoteAddress = new InetSocketAddress("127.0.0.1", 3000);
40
41 static final int[] bufferSizes =
42 { 20, 49, 50, 51, 100, 101, 1024, 1025, 4095, 4096, 4097, 8191, 8192, 8193};
43
44 void test(String[] args) throws IOException {
45 SocketAddress address = null;
46 String os = System.getProperty("os.name").toLowerCase();
47
48 if (!Util.isSCTPSupported()) {
49 out.println("SCTP protocol is not supported");
50 out.println("Test cannot be run");
51 return;
52 } else if (os.startsWith("sunos")) {
53 out.println("Test not supported on Solaris");
54 out.println("Test cannot be run");
55 return;
56 }
57
58 System.out.println("remote address: " + remoteAddress);
59 System.out.println("Note, remote address should not be up");
60
61 /* combinations with various buffer sizes, and offsets */
62 for (int send=0; send < bufferSizes.length; send++) {
63 for (int recv=0; recv < bufferSizes.length; recv++) {
64 for (boolean direct : new boolean[] {true, false})
65 runWithManyOffsets(bufferSizes[send], bufferSizes[recv], direct);
66 }
67 }
68 }
69
70 void runWithManyOffsets(int sendBufferSize, int recvBufferSize, boolean direct)
71 throws IOException
72 {
73 doTest(sendBufferSize, recvBufferSize, direct, 0);
74 doTest(sendBufferSize, recvBufferSize, direct, 1);
75 doTest(sendBufferSize, recvBufferSize, direct, 3);
76 doTest(sendBufferSize, recvBufferSize, direct, 7);
77 doTest(sendBufferSize, recvBufferSize, direct, 9);
78 doTest(sendBufferSize, recvBufferSize, direct, 13);
79 doTest(sendBufferSize, recvBufferSize, direct, 15);
80 }
81
82 void doTest(int sendBufferSize, int recvBufferSize, boolean direct, int offset)
83 throws IOException
84 {
85 debug("%n--- Testing with send size:[%d], recv size:[%d], offset:[%d] "
86 + ", direct [%s]. ", sendBufferSize, recvBufferSize, offset, direct);
87
88 try (SctpMultiChannel channel = SctpMultiChannel.open()) {
89 MessageInfo messageInfo = MessageInfo.createOutgoing(remoteAddress, 0);
90 ByteBuffer sendBuffer = filledBuffer(sendBufferSize, direct);
91
92 debug("%nAttempting to send to %s. ", remoteAddress);
93 int sent = channel.send(sendBuffer, messageInfo);
94 sendBuffer.flip();
95
96 SendFailedNotificationHandler handler =
97 new SendFailedNotificationHandler();
98 ByteBuffer recvBuffer = direct ? allocateDirect(recvBufferSize)
99 : allocate((recvBufferSize));
100 channel.receive(recvBuffer, null, handler);
101
102 // verify sent buffer received by send failed notification
103 ByteBuffer buffer = handler.getSendFailedByteBuffer();
104 check(buffer.remaining() == sent);
105 check(buffer.position() == 0);
106 check(buffer.limit() == sent);
107 assertSameContent(sendBuffer, handler.getSendFailedByteBuffer());
108 }
109 }
110
111 class SendFailedNotificationHandler extends AbstractNotificationHandler<Object>
112 {
113 /** Reference to the buffer captured in send failed notification */
114 private ByteBuffer sentBuffer;
115
116 @Override
117 public HandlerResult handleNotification(
118 Notification notification, Object attachment) {
119 fail("Unknown notification type");
120 return HandlerResult.CONTINUE;
121 }
122
123 @Override
124 public HandlerResult handleNotification(
125 AssociationChangeNotification notification, Object attachment) {
126 AssociationChangeNotification.AssocChangeEvent event = notification.event();
127 debug("%nAssociationChangeNotification");
128 debug("%n Association: %s. ", notification.association());
129 debug("%n Event: %s. ", event);
130 return HandlerResult.CONTINUE;
131 }
132
133 @Override
134 public HandlerResult handleNotification(
135 SendFailedNotification notification, Object attachment) {
136 debug("%nSendFailedNotification: %s. ", notification);
137 sentBuffer = notification.buffer();
138 return HandlerResult.RETURN;
139 }
140
141 public ByteBuffer getSendFailedByteBuffer() {
142 return sentBuffer;
143 }
144
145 @Override
146 public HandlerResult handleNotification(
147 PeerAddressChangeNotification pacn, Object attachment)
148 {
149 debug("%nPeerAddressChangeNotification: %s", pacn);
150 return HandlerResult.CONTINUE;
151 }
152
153 @Override
154 public HandlerResult handleNotification(
155 ShutdownNotification notification, Object attachment) {
156 debug("%nShutdownNotification");
157 debug("%n Association: %s. ", notification.association());
158 return HandlerResult.CONTINUE;
159 }
160 }
161
162 static ByteBuffer filledBuffer(int size, boolean direct) {
163 ByteBuffer buffer = direct ? allocateDirect(size) : allocate((size));
164 for (int i=0; i< size; i++)
165 buffer.put((byte)i);
166 buffer.flip();
167 return buffer;
168 }
169
170 static void assertSameContent(ByteBuffer bb1, ByteBuffer bb2) {
171 if (!bb1.equals(bb2))
172 throw new RuntimeException("Buffers are not equal; bb1: " + bb1 + ", bb2: " + bb2);
173 }
174
175 //--------------------- Infrastructure ---------------------------
176 boolean debug = true;
177 volatile int passed = 0, failed = 0;
178 void pass() {passed++;}
179 void fail() {failed++; Thread.dumpStack();}
180 void fail(String msg) {System.err.println(msg); fail();}
181 void unexpected(Throwable t) {failed++; t.printStackTrace();}
182 void check(boolean cond) {if (cond) pass(); else fail();}
183 void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);}
184 void debug(String message, Object... args) {if(debug) { out.printf(message, args); } }
185 public static void main(String[] args) throws Throwable {
186 Class<?> k = new Object(){}.getClass().getEnclosingClass();
187 try {k.getMethod("instanceMain",String[].class)
188 .invoke( k.newInstance(), (Object) args);}
189 catch (Throwable e) {throw e.getCause();}}
190 public void instanceMain(String[] args) throws Throwable {
191 try {test(args);} catch (Throwable t) {unexpected(t);}
192 out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
193 if (failed > 0) throw new AssertionError("Some tests failed");}
194 }