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/*
* Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4927640
* @summary Tests the SCTP protocol implementation
* @author chegar
*/
import java.io.IOException;
import java.util.Set;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.List;
import java.util.Arrays;
import java.util.Iterator;
import java.nio.channels.ClosedChannelException;
import com.sun.nio.sctp.SctpChannel;
import com.sun.nio.sctp.SctpServerChannel;
import com.sun.nio.sctp.SctpSocketOption;
import java.security.AccessController;
import java.security.PrivilegedAction;
import static com.sun.nio.sctp.SctpStandardSocketOptions.*;
import static java.lang.System.out;
public class SocketOptionTests {
final String osName = AccessController.doPrivileged(
(PrivilegedAction<String>)() -> System.getProperty("os.name"));
<T> void checkOption(SctpChannel sc, SctpSocketOption<T> name,
T expectedValue) throws IOException {
T value = sc.getOption(name);
check(value.equals(expectedValue), name + ": value (" + value +
") not as expected (" + expectedValue + ")");
}
<T> void optionalSupport(SctpChannel sc, SctpSocketOption<T> name,
T value) {
try {
sc.setOption(name, value);
checkOption(sc, name, value);
} catch (IOException e) {
/* Informational only, not all options have native support */
out.println(name + " not supported. " + e);
}
}
void test(String[] args) {
if (!Util.isSCTPSupported()) {
out.println("SCTP protocol is not supported");
out.println("Test cannot be run");
return;
}
try {
SctpChannel sc = SctpChannel.open();
/* check supported options */
Set<SctpSocketOption<?>> options = sc.supportedOptions();
List<? extends SctpSocketOption<?>> expected = Arrays.<SctpSocketOption<?>>asList(
SCTP_DISABLE_FRAGMENTS, SCTP_EXPLICIT_COMPLETE,
SCTP_FRAGMENT_INTERLEAVE, SCTP_INIT_MAXSTREAMS,
SCTP_NODELAY, SCTP_PRIMARY_ADDR, SCTP_SET_PEER_PRIMARY_ADDR,
SO_SNDBUF, SO_RCVBUF, SO_LINGER);
for (SctpSocketOption opt: expected) {
if (!options.contains(opt))
fail(opt.name() + " should be supported");
}
InitMaxStreams streams = InitMaxStreams.create(1024, 1024);
sc.setOption(SCTP_INIT_MAXSTREAMS, streams);
checkOption(sc, SCTP_INIT_MAXSTREAMS, streams);
streams = sc.getOption(SCTP_INIT_MAXSTREAMS);
check(streams.maxInStreams() == 1024, "Max in streams: value: "
+ streams.maxInStreams() + ", expected 1024 ");
check(streams.maxOutStreams() == 1024, "Max out streams: value: "
+ streams.maxOutStreams() + ", expected 1024 ");
optionalSupport(sc, SCTP_DISABLE_FRAGMENTS, true);
optionalSupport(sc, SCTP_EXPLICIT_COMPLETE, true);
optionalSupport(sc, SCTP_FRAGMENT_INTERLEAVE, 1);
sc.setOption(SCTP_NODELAY, true);
checkOption(sc, SCTP_NODELAY, true);
sc.setOption(SO_SNDBUF, 16*1024);
checkOption(sc, SO_SNDBUF, 16*1024);
sc.setOption(SO_RCVBUF, 16*1024);
checkOption(sc, SO_RCVBUF, 16*1024);
checkOption(sc, SO_LINGER, -1); /* default should be negative */
sc.setOption(SO_LINGER, 2000);
checkOption(sc, SO_LINGER, 2000);
/* SCTP_PRIMARY_ADDR */
sctpPrimaryAddr();
/* NullPointerException */
try {
sc.setOption(null, "value");
fail("NullPointerException not thrown for setOption");
} catch (NullPointerException unused) {
pass();
}
try {
sc.getOption(null);
fail("NullPointerException not thrown for getOption");
} catch (NullPointerException unused) {
pass();
}
/* ClosedChannelException */
sc.close();
try {
sc.setOption(SCTP_INIT_MAXSTREAMS, streams);
fail("ClosedChannelException not thrown");
} catch (ClosedChannelException unused) {
pass();
}
} catch (IOException ioe) {
unexpected(ioe);
}
}
/* SCTP_PRIMARY_ADDR */
void sctpPrimaryAddr() throws IOException {
SocketAddress addrToSet = null;;
System.out.println("TESTING SCTP_PRIMARY_ADDR");
SctpChannel sc = SctpChannel.open();
SctpServerChannel ssc = SctpServerChannel.open().bind(null);
Set<SocketAddress> addrs = ssc.getAllLocalAddresses();
if (addrs.isEmpty())
debug("addrs should not be empty");
debug("Listening on " + addrs);
InetSocketAddress serverAddr = (InetSocketAddress) addrs.iterator().next();
debug("connecting to " + serverAddr);
sc.connect(serverAddr);
SctpChannel peerChannel = ssc.accept();
ssc.close();
Set<SocketAddress> peerAddrs = peerChannel.getAllLocalAddresses();
debug("Peer local Addresses: ");
for (Iterator<SocketAddress> it = peerAddrs.iterator(); it.hasNext(); ) {
InetSocketAddress addr = (InetSocketAddress)it.next();
debug("\t" + addr);
addrToSet = addr; // any of the peer addresses will do!
}
/* retrieval of SCTP_PRIMARY_ADDR is not supported on Solaris */
if ("SunOS".equals(osName)) {
/* For now do not set this option. There is a bug on Solaris 10 pre Update 5
* where setting this option returns Invalid argument */
//debug("Set SCTP_PRIMARY_ADDR with " + addrToSet);
//sc.setOption(SCTP_PRIMARY_ADDR, addrToSet);
return;
} else { /* Linux */
SocketAddress primaryAddr = sc.getOption(SCTP_PRIMARY_ADDR);
System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr);
/* Verify that this is one of the peer addresses */
boolean found = false;
addrToSet = primaryAddr; // may not have more than one addr
for (Iterator<SocketAddress> it = peerAddrs.iterator(); it.hasNext(); ) {
InetSocketAddress addr = (InetSocketAddress)it.next();
if (addr.equals(primaryAddr)) {
found = true;
}
addrToSet = addr;
}
check(found, "SCTP_PRIMARY_ADDR returned bogus address!");
System.out.println("SCTP_PRIMARY_ADDR try set to: " + addrToSet);
sc.setOption(SCTP_PRIMARY_ADDR, addrToSet);
System.out.println("SCTP_PRIMARY_ADDR set to: " + addrToSet);
primaryAddr = sc.getOption(SCTP_PRIMARY_ADDR);
System.out.println("SCTP_PRIMARY_ADDR returned: " + primaryAddr);
check(addrToSet.equals(primaryAddr),"SCTP_PRIMARY_ADDR not set correctly");
}
}
//--------------------- Infrastructure ---------------------------
boolean debug = true;
volatile int passed = 0, failed = 0;
void pass() {passed++;}
void fail() {failed++; Thread.dumpStack();}
void fail(String msg) {System.err.println(msg); fail();}
void unexpected(Throwable t) {failed++; t.printStackTrace();}
void check(boolean cond) {if (cond) pass(); else fail();}
void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);}
void debug(String message) {if(debug) { System.out.println(message); } }
public static void main(String[] args) throws Throwable {
Class<?> k = new Object(){}.getClass().getEnclosingClass();
try {k.getMethod("instanceMain",String[].class)
.invoke( k.newInstance(), (Object) args);}
catch (Throwable e) {throw e.getCause();}}
public void instanceMain(String[] args) throws Throwable {
try {test(args);} catch (Throwable t) {unexpected(t);}
System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
if (failed > 0) throw new AssertionError("Some tests failed");}
}
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