/* * Copyright (c) 2009, 2010, 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.net.InetSocketAddress; import java.net.SocketAddress; import java.io.IOException; import java.util.Set; import java.util.Iterator; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import java.nio.ByteBuffer; import com.sun.nio.sctp.Association; import com.sun.nio.sctp.InvalidStreamException; import com.sun.nio.sctp.MessageInfo; import com.sun.nio.sctp.SctpMultiChannel; import static java.lang.System.out; import static java.lang.System.err; public class Send { /* Latches used to synchronize between the client and server so that * connections without any IO may not be closed without being accepted */ final CountDownLatch clientFinishedLatch = new CountDownLatch(1); final CountDownLatch serverFinishedLatch = new CountDownLatch(1); void test(String[] args) { SocketAddress address = null; Server server = null; if (!Util.isSCTPSupported()) { out.println("SCTP protocol is not supported"); out.println("Test cannot be run"); return; } if (args.length == 2) { /* requested to connecct to a specific address */ try { int port = Integer.valueOf(args[1]); address = new InetSocketAddress(args[0], port); } catch (NumberFormatException nfe) { err.println(nfe); } } else { /* start server on local machine, default */ try { server = new Server(); server.start(); address = server.address(); debug("Server started and listening on " + address); } catch (IOException ioe) { ioe.printStackTrace(); return; } } doTest(address); } void doTest(SocketAddress peerAddress) { SctpMultiChannel channel = null; ByteBuffer buffer = ByteBuffer.allocate(Util.LARGE_BUFFER); MessageInfo info = MessageInfo.createOutgoing(null, 0); try { channel = SctpMultiChannel.open(); /* TEST 1: send small message */ int streamNumber = 0; debug("sending to " + peerAddress + " on stream number: " + streamNumber); info = MessageInfo.createOutgoing(peerAddress, streamNumber); buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); buffer.flip(); int position = buffer.position(); int remaining = buffer.remaining(); debug("sending small message: " + buffer); int sent = channel.send(buffer, info); check(sent == remaining, "sent should be equal to remaining"); check(buffer.position() == (position + sent), "buffers position should have been incremented by sent"); /* TEST 2: receive the echoed message */ buffer.clear(); info = channel.receive(buffer, null, null); buffer.flip(); check(info != null, "info is null"); check(info.streamNumber() == streamNumber, "message not sent on the correct stream"); check(info.bytes() == Util.SMALL_MESSAGE.getBytes("ISO-8859-1"). length, "bytes received not equal to message length"); check(info.bytes() == buffer.remaining(), "bytes != remaining"); check(Util.compare(buffer, Util.SMALL_MESSAGE), "received message not the same as sent message"); /* TEST 3: send large message */ Set assocs = channel.associations(); check(assocs.size() == 1, "there should be only one association"); Iterator it = assocs.iterator(); check(it.hasNext()); Association assoc = it.next(); streamNumber = assoc.maxOutboundStreams() - 1; debug("sending on stream number: " + streamNumber); info = MessageInfo.createOutgoing(assoc, null, streamNumber); buffer.clear(); buffer.put(Util.LARGE_MESSAGE.getBytes("ISO-8859-1")); buffer.flip(); position = buffer.position(); remaining = buffer.remaining(); debug("sending large message: " + buffer); sent = channel.send(buffer, info); check(sent == remaining, "sent should be equal to remaining"); check(buffer.position() == (position + sent), "buffers position should have been incremented by sent"); /* TEST 4: receive the echoed message */ buffer.clear(); info = channel.receive(buffer, null, null); buffer.flip(); check(info != null, "info is null"); check(info.streamNumber() == streamNumber, "message not sent on the correct stream"); check(info.bytes() == Util.LARGE_MESSAGE.getBytes("ISO-8859-1"). length, "bytes received not equal to message length"); check(info.bytes() == buffer.remaining(), "bytes != remaining"); check(Util.compare(buffer, Util.LARGE_MESSAGE), "received message not the same as sent message"); /* TEST 5: InvalidStreamExcepton */ streamNumber = assoc.maxOutboundStreams() + 1; info = MessageInfo.createOutgoing(assoc, null, streamNumber); buffer.clear(); buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); buffer.flip(); position = buffer.position(); remaining = buffer.remaining(); debug("sending on stream number: " + streamNumber); debug("sending small message: " + buffer); try { sent = channel.send(buffer, info); fail("should have thrown InvalidStreamExcepton"); } catch (InvalidStreamException ise){ pass(); } catch (IOException ioe) { unexpected(ioe); } check(buffer.remaining() == remaining, "remaining should not be changed"); check(buffer.position() == position, "buffers position should not be changed"); /* TEST 5: getRemoteAddresses(Association) */ channel.getRemoteAddresses(assoc); /* TEST 6: Send from heap buffer to force implementation to * substitute with a native buffer, then check that its position * is updated correctly */ info = MessageInfo.createOutgoing(assoc, null, 0); buffer.clear(); buffer.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); buffer.flip(); final int offset = 1; buffer.position(offset); remaining = buffer.remaining(); try { sent = channel.send(buffer, info); check(sent == remaining, "sent should be equal to remaining"); check(buffer.position() == (offset + sent), "buffers position should have been incremented by sent"); } catch (IllegalArgumentException iae) { fail(iae + ", Error updating buffers position"); } } catch (IOException ioe) { unexpected(ioe); } finally { clientFinishedLatch.countDown(); try { serverFinishedLatch.await(10L, TimeUnit.SECONDS); } catch (InterruptedException ie) { unexpected(ie); } if (channel != null) { try { channel.close(); } catch (IOException e) { unexpected (e);} } } } class Server implements Runnable { final InetSocketAddress serverAddr; private SctpMultiChannel serverChannel; public Server() throws IOException { serverChannel = SctpMultiChannel.open().bind(null); java.util.Set addrs = serverChannel.getAllLocalAddresses(); if (addrs.isEmpty()) debug("addrs should not be empty"); serverAddr = (InetSocketAddress) addrs.iterator().next(); } public void start() { (new Thread(this, "Server-" + serverAddr.getPort())).start(); } public InetSocketAddress address() { return serverAddr; } @Override public void run() { ByteBuffer buffer = ByteBuffer.allocateDirect(Util.LARGE_BUFFER); try { MessageInfo info; /* receive a small message */ do { info = serverChannel.receive(buffer, null, null); if (info == null) { fail("Server: unexpected null from receive"); return; } } while (!info.isComplete()); buffer.flip(); check(info != null, "info is null"); check(info.streamNumber() == 0, "message not sent on the correct stream"); check(info.bytes() == Util.SMALL_MESSAGE.getBytes("ISO-8859-1"). length, "bytes received not equal to message length"); check(info.bytes() == buffer.remaining(), "bytes != remaining"); check(Util.compare(buffer, Util.SMALL_MESSAGE), "received message not the same as sent message"); check(info != null, "info is null"); Set assocs = serverChannel.associations(); check(assocs.size() == 1, "there should be only one association"); Iterator it = assocs.iterator(); check(it.hasNext()); Association assoc = it.next(); /* echo the message */ debug("Server: echoing first message"); buffer.flip(); int bytes = serverChannel.send(buffer, info); debug("Server: sent " + bytes + "bytes"); /* receive a large message */ buffer.clear(); do { info = serverChannel.receive(buffer, null, null); if (info == null) { fail("Server: unexpected null from receive"); return; } } while (!info.isComplete()); buffer.flip(); check(info.streamNumber() == assoc.maxInboundStreams() - 1, "message not sent on the correct stream"); check(info.bytes() == Util.LARGE_MESSAGE.getBytes("ISO-8859-1"). length, "bytes received not equal to message length"); check(info.bytes() == buffer.remaining(), "bytes != remaining"); check(Util.compare(buffer, Util.LARGE_MESSAGE), "received message not the same as sent message"); /* echo the message */ debug("Server: echoing second message"); buffer.flip(); bytes = serverChannel.send(buffer, info); debug("Server: sent " + bytes + "bytes"); /* TEST 6 */ ByteBuffer expected = ByteBuffer.allocate(Util.SMALL_BUFFER); expected.put(Util.SMALL_MESSAGE.getBytes("ISO-8859-1")); expected.flip(); final int offset = 1; expected.position(offset); buffer.clear(); do { info = serverChannel.receive(buffer, null, null); if (info == null) { fail("Server: unexpected null from receive"); return; } } while (!info.isComplete()); buffer.flip(); check(info != null, "info is null"); check(info.streamNumber() == 0, "message not sent on the correct stream"); check(info.bytes() == expected.remaining(), "bytes received not equal to message length"); check(info.bytes() == buffer.remaining(), "bytes != remaining"); check(expected.equals(buffer), "received message not the same as sent message"); clientFinishedLatch.await(10L, TimeUnit.SECONDS); serverFinishedLatch.countDown(); } catch (IOException ioe) { unexpected(ioe); } catch (InterruptedException ie) { unexpected(ie); } finally { try { if (serverChannel != null) serverChannel.close(); } catch (IOException unused) {} } } } //--------------------- 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");} }