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