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.util.Set;
32 import java.net.InetSocketAddress;
33 import java.net.SocketAddress;
34 import java.util.List;
35 import java.util.Arrays;
36 import java.util.Iterator;
37 import java.nio.channels.ClosedChannelException;
38 import com.sun.nio.sctp.SctpChannel;
39 import com.sun.nio.sctp.SctpServerChannel;
40 import com.sun.nio.sctp.SctpSocketOption;
41 import java.security.AccessController;
42 import java.security.PrivilegedAction;
43 import static com.sun.nio.sctp.SctpStandardSocketOptions.*;
44 import static java.lang.System.out;
45
46 public class SocketOptionTests {
47 final String osName = AccessController.doPrivileged(
48 (PrivilegedAction<String>)() -> System.getProperty("os.name"));
49
50 <T> void checkOption(SctpChannel sc, SctpSocketOption<T> name,
51 T expectedValue) throws IOException {
52 T value = sc.getOption(name);
53 check(value.equals(expectedValue), name + ": value (" + value +
54 ") not as expected (" + expectedValue + ")");
55 }
56
57 <T> void optionalSupport(SctpChannel sc, SctpSocketOption<T> name,
58 T value) {
59 try {
60 sc.setOption(name, value);
61 checkOption(sc, name, value);
62 } catch (IOException e) {
63 /* Informational only, not all options have native support */
64 out.println(name + " not supported. " + e);
65 }
66 }
67
68 void test(String[] args) {
69 if (!Util.isSCTPSupported()) {
70 out.println("SCTP protocol is not supported");
71 out.println("Test cannot be run");
72 return;
73 }
74
75 try (SctpChannel sc = SctpChannel.open()) {
76
77 /* check supported options */
78 Set<SctpSocketOption<?>> options = sc.supportedOptions();
79 List<? extends SctpSocketOption<?>> expected = Arrays.<SctpSocketOption<?>>asList(
80 SCTP_DISABLE_FRAGMENTS, SCTP_EXPLICIT_COMPLETE,
81 SCTP_FRAGMENT_INTERLEAVE, SCTP_INIT_MAXSTREAMS,
82 SCTP_NODELAY, SCTP_PRIMARY_ADDR, SCTP_SET_PEER_PRIMARY_ADDR,
83 SO_SNDBUF, SO_RCVBUF, SO_LINGER);
84
85 for (SctpSocketOption opt: expected) {
86 if (!options.contains(opt))
87 fail(opt.name() + " should be supported");
88 }
89
90 InitMaxStreams streams = InitMaxStreams.create(1024, 1024);
91 sc.setOption(SCTP_INIT_MAXSTREAMS, streams);
92 checkOption(sc, SCTP_INIT_MAXSTREAMS, streams);
93 streams = sc.getOption(SCTP_INIT_MAXSTREAMS);
94 check(streams.maxInStreams() == 1024, "Max in streams: value: "
95 + streams.maxInStreams() + ", expected 1024 ");
96 check(streams.maxOutStreams() == 1024, "Max out streams: value: "
97 + streams.maxOutStreams() + ", expected 1024 ");
98
99 optionalSupport(sc, SCTP_DISABLE_FRAGMENTS, true);
100 optionalSupport(sc, SCTP_EXPLICIT_COMPLETE, true);
101 optionalSupport(sc, SCTP_FRAGMENT_INTERLEAVE, 1);
102
103 sc.setOption(SCTP_NODELAY, true);
104 checkOption(sc, SCTP_NODELAY, true);
105 sc.setOption(SO_SNDBUF, 16*1024);
106 checkOption(sc, SO_SNDBUF, 16*1024);
107 sc.setOption(SO_RCVBUF, 16*1024);
108 checkOption(sc, SO_RCVBUF, 16*1024);
109 checkOption(sc, SO_LINGER, -1); /* default should be negative */
110 sc.setOption(SO_LINGER, 2000);
111 checkOption(sc, SO_LINGER, 2000);
112
113 /* SCTP_PRIMARY_ADDR */
114 sctpPrimaryAddr();
115
116 /* NullPointerException */
117 try {
118 sc.setOption(null, "value");
119 fail("NullPointerException not thrown for setOption");
120 } catch (NullPointerException unused) {
121 pass();
122 }
123 try {
124 sc.getOption(null);
125 fail("NullPointerException not thrown for getOption");
126 } catch (NullPointerException unused) {
127 pass();
128 }
129
130 /* ClosedChannelException */
131 sc.close();
132 try {
133 sc.setOption(SCTP_INIT_MAXSTREAMS, streams);
134 fail("ClosedChannelException not thrown");
135 } catch (ClosedChannelException unused) {
136 pass();
137 }
138 } catch (IOException ioe) {
139 unexpected(ioe);
140 }
141 }
142
143 /* SCTP_PRIMARY_ADDR */
144 void sctpPrimaryAddr() throws IOException {
145 System.out.println("TESTING SCTP_PRIMARY_ADDR");
146 SctpChannel sc = SctpChannel.open();
147 SctpServerChannel ssc = SctpServerChannel.open().bind(null);
148 Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
149 if (addrs.isEmpty())
150 debug("addrs should not be empty");
151 debug("Listening on " + addrs);
152
153 InetSocketAddress serverAddr = (InetSocketAddress) addrs.iterator().next();
154 debug("connecting to " + serverAddr);
155 sc.connect(serverAddr);
156 SctpChannel peerChannel = ssc.accept();
157 ssc.close();
158 Set<SocketAddress> remoteAddresses = sc.getRemoteAddresses();
159 debug("Remote Addresses: ");
160 for (Iterator<SocketAddress> it = remoteAddresses.iterator(); it.hasNext(); ) {
161 InetSocketAddress addr = (InetSocketAddress)it.next();
162 debug("\t" + addr);
163 }
164
165 /* retrieval of SCTP_PRIMARY_ADDR is not supported on Solaris */
166 if ("SunOS".equals(osName)) {
167 /* For now do not set this option. There is a bug on Solaris 10 pre Update 5
168 * where setting this option returns Invalid argument */
169 //debug("Set SCTP_PRIMARY_ADDR with " + addrToSet);
170 //sc.setOption(SCTP_PRIMARY_ADDR, addrToSet);
171 return;
172 } else { /* Linux */
173 SocketAddress primaryAddr = sc.getOption(SCTP_PRIMARY_ADDR);
174 System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr);
175 /* Verify that this is one of the remote addresses */
176 check(remoteAddresses.contains(primaryAddr), "SCTP_PRIMARY_ADDR returned bogus address!");
177
178 for (Iterator<SocketAddress> it = remoteAddresses.iterator(); it.hasNext(); ) {
179 InetSocketAddress addrToSet = (InetSocketAddress) it.next();
180 System.out.println("SCTP_PRIMARY_ADDR try set to: " + addrToSet);
181 sc.setOption(SCTP_PRIMARY_ADDR, addrToSet);
182 System.out.println("SCTP_PRIMARY_ADDR set to : " + addrToSet);
183 primaryAddr = sc.getOption(SCTP_PRIMARY_ADDR);
184 System.out.println("SCTP_PRIMARY_ADDR returned : " + primaryAddr);
185 check(addrToSet.equals(primaryAddr), "SCTP_PRIMARY_ADDR not set correctly");
186 }
187 }
188 sc.close();
189 peerChannel.close();
190 }
191 //--------------------- Infrastructure ---------------------------
192 boolean debug = true;
193 volatile int passed = 0, failed = 0;
194 void pass() {passed++;}
195 void fail() {failed++; Thread.dumpStack();}
196 void fail(String msg) {System.err.println(msg); fail();}
197 void unexpected(Throwable t) {failed++; t.printStackTrace();}
198 void check(boolean cond) {if (cond) pass(); else fail();}
199 void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);}
200 void debug(String message) {if(debug) { System.out.println(message); } }
201 public static void main(String[] args) throws Throwable {
202 Class<?> k = new Object(){}.getClass().getEnclosingClass();
203 try {k.getMethod("instanceMain",String[].class)
204 .invoke( k.newInstance(), (Object) args);}
205 catch (Throwable e) {throw e.getCause();}}
206 public void instanceMain(String[] args) throws Throwable {
207 try {test(args);} catch (Throwable t) {unexpected(t);}
208 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
209 if (failed > 0) throw new AssertionError("Some tests failed");}
210 }