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