public void testAcceptor() throws Exception {
threadFactory.clear();
log.info("Test: testAcceptor");
final CountDownLatch ioLatch = new CountDownLatch(4);
final CountDownLatch closeLatch = new CountDownLatch(2);
final AtomicBoolean clientOpened = new AtomicBoolean();
final AtomicBoolean clientReadOnceOK = new AtomicBoolean();
final AtomicBoolean clientReadDoneOK = new AtomicBoolean();
final AtomicBoolean clientReadTooMuch = new AtomicBoolean();
final AtomicBoolean clientWriteOK = new AtomicBoolean();
final AtomicBoolean serverOpened = new AtomicBoolean();
final AtomicBoolean serverReadOnceOK = new AtomicBoolean();
final AtomicBoolean serverReadDoneOK = new AtomicBoolean();
final AtomicBoolean serverReadTooMuch = new AtomicBoolean();
final AtomicBoolean serverWriteOK = new AtomicBoolean();
final byte[] bytes = "Ummagumma!".getBytes("UTF-8");
final Xnio xnio = Xnio.getInstance("nio");
final ReadChannelThread readChannelThread = xnio.createReadChannelThread(threadFactory);
final ReadChannelThread clientReadChannelThread = xnio.createReadChannelThread(threadFactory);
final WriteChannelThread writeChannelThread = xnio.createWriteChannelThread(threadFactory);
final WriteChannelThread clientWriteChannelThread =
xnio.createWriteChannelThread(threadFactory);
final ConnectionChannelThread connectionChannelThread =
xnio.createConnectionChannelThread(threadFactory);
try {
final FutureResult<InetSocketAddress> futureAddressResult =
new FutureResult<InetSocketAddress>();
final IoFuture<InetSocketAddress> futureAddress = futureAddressResult.getIoFuture();
final IoFuture<? extends ConnectedStreamChannel> futureConnection =
xnio.acceptStream(
new InetSocketAddress(Inet4Address.getByAddress(new byte[] {127, 0, 0, 1}), 0),
connectionChannelThread,
clientReadChannelThread,
clientWriteChannelThread,
new ChannelListener<ConnectedStreamChannel>() {
private final ByteBuffer inboundBuf = ByteBuffer.allocate(512);
private int readCnt = 0;
private final ByteBuffer outboundBuf = ByteBuffer.wrap(bytes);
public void handleEvent(final ConnectedStreamChannel channel) {
channel
.getCloseSetter()
.set(
new ChannelListener<ConnectedStreamChannel>() {
public void handleEvent(final ConnectedStreamChannel channel) {
closeLatch.countDown();
}
});
channel
.getReadSetter()
.set(
new ChannelListener<ConnectedStreamChannel>() {
public void handleEvent(final ConnectedStreamChannel channel) {
try {
final int res = channel.read(inboundBuf);
if (res == 0) {
channel.resumeReads();
} else if (res == -1) {
serverReadDoneOK.set(true);
ioLatch.countDown();
channel.shutdownReads();
} else {
final int ttl = readCnt += res;
if (ttl == bytes.length) {
serverReadOnceOK.set(true);
} else if (ttl > bytes.length) {
serverReadTooMuch.set(true);
IoUtils.safeClose(channel);
return;
}
channel.resumeReads();
}
} catch (IOException e) {
log.errorf(e, "Server read failed");
IoUtils.safeClose(channel);
}
}
});
channel
.getWriteSetter()
.set(
new ChannelListener<ConnectedStreamChannel>() {
public void handleEvent(final ConnectedStreamChannel channel) {
try {
channel.write(outboundBuf);
if (!outboundBuf.hasRemaining()) {
serverWriteOK.set(true);
Channels.shutdownWritesBlocking(channel);
ioLatch.countDown();
}
} catch (IOException e) {
log.errorf(e, "Server write failed");
IoUtils.safeClose(channel);
}
}
});
channel.resumeReads();
channel.resumeWrites();
serverOpened.set(true);
}
},
new ChannelListener<BoundChannel>() {
public void handleEvent(final BoundChannel channel) {
futureAddressResult.setResult(channel.getLocalAddress(InetSocketAddress.class));
}
},
OptionMap.create(Options.REUSE_ADDRESSES, Boolean.TRUE));
final InetSocketAddress localAddress = futureAddress.get();
final IoFuture<? extends ConnectedStreamChannel> ioFuture =
xnio.connectStream(
localAddress,
connectionChannelThread,
readChannelThread,
writeChannelThread,
new ChannelListener<ConnectedStreamChannel>() {
private final ByteBuffer inboundBuf = ByteBuffer.allocate(512);
private int readCnt = 0;
private final ByteBuffer outboundBuf = ByteBuffer.wrap(bytes);
public void handleEvent(final ConnectedStreamChannel channel) {
channel
.getCloseSetter()
.set(
new ChannelListener<ConnectedStreamChannel>() {
public void handleEvent(final ConnectedStreamChannel channel) {
closeLatch.countDown();
}
});
channel
.getReadSetter()
.set(
new ChannelListener<ConnectedStreamChannel>() {
public void handleEvent(final ConnectedStreamChannel channel) {
try {
final int res = channel.read(inboundBuf);
if (res == 0) {
channel.resumeReads();
} else if (res == -1) {
channel.shutdownReads();
clientReadDoneOK.set(true);
ioLatch.countDown();
} else {
final int ttl = readCnt += res;
if (ttl == bytes.length) {
clientReadOnceOK.set(true);
} else if (ttl > bytes.length) {
clientReadTooMuch.set(true);
IoUtils.safeClose(channel);
return;
}
channel.resumeReads();
}
} catch (IOException e) {
log.errorf(e, "Client read failed");
IoUtils.safeClose(channel);
}
}
});
channel
.getWriteSetter()
.set(
new ChannelListener<ConnectedStreamChannel>() {
public void handleEvent(final ConnectedStreamChannel channel) {
try {
channel.write(outboundBuf);
if (!outboundBuf.hasRemaining()) {
clientWriteOK.set(true);
Channels.shutdownWritesBlocking(channel);
ioLatch.countDown();
}
} catch (IOException e) {
log.errorf(e, "Client write failed");
IoUtils.safeClose(channel);
}
}
});
channel.resumeReads();
channel.resumeWrites();
clientOpened.set(true);
}
},
null,
OptionMap.EMPTY);
assertTrue("Read timed out", ioLatch.await(500L, TimeUnit.MILLISECONDS));
assertTrue("Close timed out", closeLatch.await(500L, TimeUnit.MILLISECONDS));
assertFalse("Client read too much", clientReadTooMuch.get());
assertTrue("Client read OK", clientReadOnceOK.get());
assertTrue("Client read done", clientReadDoneOK.get());
assertTrue("Client write OK", clientWriteOK.get());
assertFalse("Server read too much", serverReadTooMuch.get());
assertTrue("Server read OK", serverReadOnceOK.get());
assertTrue("Server read done", serverReadDoneOK.get());
assertTrue("Server write OK", serverWriteOK.get());
} finally {
readChannelThread.shutdown();
writeChannelThread.shutdown();
clientReadChannelThread.shutdown();
clientWriteChannelThread.shutdown();
connectionChannelThread.shutdown();
}
threadFactory.await();
}
private void doConnectionTest(
final Runnable body,
final ChannelListener<? super ConnectedStreamChannel> clientHandler,
final ChannelListener<? super ConnectedStreamChannel> serverHandler)
throws Exception {
Xnio xnio = Xnio.getInstance("nio", NioTcpTestCase.class.getClassLoader());
final ConnectionChannelThread connectionChannelThread =
xnio.createConnectionChannelThread(threadFactory);
final ConnectionChannelThread serverChannelThread =
xnio.createConnectionChannelThread(threadFactory);
final ReadChannelThread readChannelThread = xnio.createReadChannelThread(threadFactory);
final ReadChannelThread clientReadChannelThread = xnio.createReadChannelThread(threadFactory);
final WriteChannelThread writeChannelThread = xnio.createWriteChannelThread(threadFactory);
final WriteChannelThread clientWriteChannelThread =
xnio.createWriteChannelThread(threadFactory);
try {
final AcceptingChannel<? extends ConnectedStreamChannel> server =
xnio.createStreamServer(
new InetSocketAddress(
Inet4Address.getByAddress(new byte[] {127, 0, 0, 1}), SERVER_PORT),
serverChannelThread,
ChannelListeners.<ConnectedStreamChannel>openListenerAdapter(
readChannelThread,
writeChannelThread,
new CatchingChannelListener<ConnectedStreamChannel>(
serverHandler, threadFactory)),
OptionMap.create(Options.REUSE_ADDRESSES, Boolean.TRUE));
server.resumeAccepts();
try {
final IoFuture<? extends ConnectedStreamChannel> ioFuture =
xnio.connectStream(
new InetSocketAddress(
Inet4Address.getByAddress(new byte[] {127, 0, 0, 1}), SERVER_PORT),
connectionChannelThread,
clientReadChannelThread,
clientWriteChannelThread,
new CatchingChannelListener<ConnectedStreamChannel>(clientHandler, threadFactory),
null,
OptionMap.EMPTY);
final ConnectedStreamChannel channel = ioFuture.get();
try {
body.run();
channel.close();
server.close();
} catch (Exception e) {
log.errorf(e, "Error running body");
throw e;
} catch (Error e) {
log.errorf(e, "Error running body");
throw e;
} finally {
IoUtils.safeClose(channel);
}
} finally {
IoUtils.safeClose(server);
}
} finally {
connectionChannelThread.shutdown();
serverChannelThread.shutdown();
clientReadChannelThread.shutdown();
clientWriteChannelThread.shutdown();
readChannelThread.shutdown();
writeChannelThread.shutdown();
}
connectionChannelThread.awaitTermination();
serverChannelThread.awaitTermination();
readChannelThread.awaitTermination();
writeChannelThread.awaitTermination();
clientReadChannelThread.awaitTermination();
clientWriteChannelThread.awaitTermination();
}