1 /*
2 * Copyright (c) 2009, 2014, 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.io.IOException;
31 import java.net.InetSocketAddress;
32 import java.net.SocketAddress;
33 import java.util.Iterator;
34 import java.util.Set;
35 import java.util.List;
36 import java.util.Arrays;
37 import java.nio.ByteBuffer;
38 import java.nio.channels.ClosedChannelException;
39 import com.sun.nio.sctp.AbstractNotificationHandler;
40 import com.sun.nio.sctp.Association;
41 import com.sun.nio.sctp.AssociationChangeNotification;
42 import com.sun.nio.sctp.AssociationChangeNotification.AssocChangeEvent;
43 import com.sun.nio.sctp.HandlerResult;
44 import com.sun.nio.sctp.MessageInfo;
45 import com.sun.nio.sctp.SctpChannel;
46 import com.sun.nio.sctp.SctpMultiChannel;
47 import com.sun.nio.sctp.SctpServerChannel;
48 import com.sun.nio.sctp.SctpSocketOption;
49 import java.security.AccessController;
50 import java.security.PrivilegedAction;
51 import static com.sun.nio.sctp.SctpStandardSocketOptions.*;
52 import static java.lang.System.out;
53
54 public class SocketOptionTests {
55 final String osName = AccessController.doPrivileged(
56 (PrivilegedAction<String>)() -> System.getProperty("os.name"));
57
58 <T> void checkOption(SctpMultiChannel smc, SctpSocketOption<T> name,
59 T expectedValue) throws IOException {
60 T value = smc.getOption(name, null);
61 check(value.equals(expectedValue), name + ": value (" + value +
62 ") not as expected (" + expectedValue + ")");
63 }
64
65 <T> void optionalSupport(SctpMultiChannel smc, SctpSocketOption<T> name,
66 T value) {
67 try {
68 smc.setOption(name, value, null);
69 checkOption(smc, name, value);
70 } catch (IOException e) {
71 /* Informational only, not all options have native support */
72 out.println(name + " not supported. " + e);
73 }
74 }
75
76 void test(String[] args) {
77 if (!Util.isSCTPSupported()) {
78 out.println("SCTP protocol is not supported");
79 out.println("Test cannot be run");
80 return;
81 }
82
83 try {
84 SctpMultiChannel smc = SctpMultiChannel.open();
85
86 /* check supported options */
87 Set<SctpSocketOption<?>> options = smc.supportedOptions();
88 List<? extends SctpSocketOption<?>> expected = Arrays.<SctpSocketOption<?>>asList(
89 SCTP_DISABLE_FRAGMENTS, SCTP_EXPLICIT_COMPLETE,
90 SCTP_FRAGMENT_INTERLEAVE, SCTP_INIT_MAXSTREAMS,
91 SCTP_NODELAY, SCTP_PRIMARY_ADDR, SCTP_SET_PEER_PRIMARY_ADDR,
92 SO_SNDBUF, SO_RCVBUF, SO_LINGER);
93
94 for (SctpSocketOption opt: expected) {
95 if (!options.contains(opt))
96 fail(opt.name() + " should be supported");
97 }
98
99 InitMaxStreams streams = InitMaxStreams.create(1024, 1024);
100 smc.setOption(SCTP_INIT_MAXSTREAMS, streams, null);
101 checkOption(smc, SCTP_INIT_MAXSTREAMS, streams);
102 streams = smc.getOption(SCTP_INIT_MAXSTREAMS, null);
103 check(streams.maxInStreams() == 1024, "Max in streams: value: "
104 + streams.maxInStreams() + ", expected 1024 ");
105 check(streams.maxOutStreams() == 1024, "Max out streams: value: "
106 + streams.maxOutStreams() + ", expected 1024 ");
107
108 optionalSupport(smc, SCTP_DISABLE_FRAGMENTS, true);
109 optionalSupport(smc, SCTP_EXPLICIT_COMPLETE, true);
110 optionalSupport(smc, SCTP_FRAGMENT_INTERLEAVE, 1);
111
112 smc.setOption(SCTP_NODELAY, true, null);
113 checkOption(smc, SCTP_NODELAY, true);
114 smc.setOption(SO_SNDBUF, 16*1024, null);
115 smc.setOption(SO_RCVBUF, 16*1024, null);
116
117 checkOption(smc, SO_LINGER, -1); /* default should be negative */
118
119 /* Setting SO_LINGER not support for one-to-many on Solaris */
120 if (!"SunOS".equals(osName)) {
121 smc.setOption(SO_LINGER, 2000, null);
122 checkOption(smc, SO_LINGER, 2000);
123 }
124
125 /* SCTP_PRIMARY_ADDR */
126 sctpPrimaryAddr();
127
128 /* NullPointerException */
129 try {
130 smc.setOption(null, "value", null);
131 fail("NullPointerException not thrown for setOption");
132 } catch (NullPointerException unused) {
133 pass();
134 }
135 try {
136 smc.getOption(null, null);
137 fail("NullPointerException not thrown for getOption");
138 } catch (NullPointerException unused) {
139 pass();
140 }
141
142 /* ClosedChannelException */
143 smc.close();
144 try {
145 smc.setOption(SCTP_INIT_MAXSTREAMS, streams, null);
146 fail("ClosedChannelException not thrown");
147 } catch (ClosedChannelException unused) {
148 pass();
149 }
150 } catch (IOException ioe) {
151 unexpected(ioe);
152 }
153 }
154
155 /* SCTP_PRIMARY_ADDR */
156 void sctpPrimaryAddr() throws IOException {
157 ByteBuffer buffer = ByteBuffer.allocate(Util.SMALL_BUFFER);
158
159 System.out.println("TESTING SCTP_PRIMARY_ADDR");
160
161 /* create listening channel */
162 SctpServerChannel ssc = SctpServerChannel.open().bind(null);
163 Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
164 if (addrs.isEmpty())
165 debug("addrs should not be empty");
166
167 InetSocketAddress serverAddr = (InetSocketAddress) addrs.iterator().next();
168
169 /* setup an association implicitly by sending a small message */
170 int streamNumber = 0;
171 debug("sending to " + serverAddr + " on stream number: " + streamNumber);
172 MessageInfo info = MessageInfo.createOutgoing(serverAddr, streamNumber);
173 buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1"));
174 buffer.flip();
175
176 debug("sending small message: " + buffer);
177 SctpMultiChannel smc = SctpMultiChannel.open();
178 int sent = smc.send(buffer, info);
179
180 /* Receive the COMM_UP */
181 buffer.clear();
182 SOTNotificationHandler handler = new SOTNotificationHandler();
183 info = smc.receive(buffer, null, handler);
184 check(handler.receivedCommUp(), "COMM_UP no received");
185 Set<Association> associations = smc.associations();
186 check(!associations.isEmpty(),"There should be some associations");
187 Association assoc = associations.iterator().next();
188
189 SctpChannel peerChannel = ssc.accept();
190 ssc.close();
191 Set<SocketAddress> remoteAddresses = smc.getRemoteAddresses(assoc);
192 debug("Remote Addresses: ");
193 for (Iterator<SocketAddress> it = remoteAddresses.iterator(); it.hasNext(); ) {
194 InetSocketAddress addr = (InetSocketAddress)it.next();
195 debug("\t" + addr);
196 }
197
198 /* retrieval of SCTP_PRIMARY_ADDR is not supported on Solaris */
199 if ("SunOS".equals(osName)) {
200 /* For now do not set this option. There is a bug on Solaris 10 pre Update 5
201 * where setting this option returns Invalid argument */
202 //debug("Set SCTP_PRIMARY_ADDR with " + addrToSet);
203 //smc.setOption(SCTP_PRIMARY_ADDR, addrToSet, assoc);
204 return;
205 } else { /* Linux */
206 SocketAddress primaryAddr = smc.getOption(SCTP_PRIMARY_ADDR, assoc);
207 System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr);
208 /* Verify that this is one of the remote addresses */
209 check(remoteAddresses.contains(primaryAddr), "SCTP_PRIMARY_ADDR returned bogus address!");
210
211 for (Iterator<SocketAddress> it = remoteAddresses.iterator(); it.hasNext(); ) {
212 InetSocketAddress addrToSet = (InetSocketAddress) it.next();
213 System.out.println("SCTP_PRIMARY_ADDR try set to: " + addrToSet);
214 smc.setOption(SCTP_PRIMARY_ADDR, addrToSet, assoc);
215 System.out.println("SCTP_PRIMARY_ADDR set to : " + addrToSet);
216 primaryAddr = smc.getOption(SCTP_PRIMARY_ADDR, assoc);
217 System.out.println("SCTP_PRIMARY_ADDR returned : " + primaryAddr);
218 check(addrToSet.equals(primaryAddr), "SCTP_PRIMARY_ADDR not set correctly");
219 }
220 }
221 smc.close();
222 peerChannel.close();
223 }
224
225 class SOTNotificationHandler extends AbstractNotificationHandler<Object>
226 {
227 boolean receivedCommUp; // false
228
229 boolean receivedCommUp() {
230 return receivedCommUp;
231 }
232
233 @Override
234 public HandlerResult handleNotification(
235 AssociationChangeNotification notification, Object attachment) {
236 AssocChangeEvent event = notification.event();
237 debug("AssociationChangeNotification");
238 debug(" Association: " + notification.association());
239 debug(" Event: " + event);
240
241 if (event.equals(AssocChangeEvent.COMM_UP))
242 receivedCommUp = true;
243
244 return HandlerResult.RETURN;
245 }
246 }
247
248 //--------------------- Infrastructure ---------------------------
249 boolean debug = true;
250 volatile int passed = 0, failed = 0;
251 void pass() {passed++;}
252 void fail() {failed++; Thread.dumpStack();}
253 void fail(String msg) {System.err.println(msg); fail();}
254 void unexpected(Throwable t) {failed++; t.printStackTrace();}
255 void check(boolean cond) {if (cond) pass(); else fail();}
256 void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);}
257 void debug(String message) {if(debug) { System.out.println(message); } }
258 public static void main(String[] args) throws Throwable {
259 Class<?> k = new Object(){}.getClass().getEnclosingClass();
260 try {k.getMethod("instanceMain",String[].class)
261 .invoke( k.newInstance(), (Object) args);}
262 catch (Throwable e) {throw e.getCause();}}
263 public void instanceMain(String[] args) throws Throwable {
264 try {test(args);} catch (Throwable t) {unexpected(t);}
265 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
266 if (failed > 0) throw new AssertionError("Some tests failed");}
267 }