public static void main(String[] argv) throws Exception {
Pipe[] pipes = new Pipe[PIPES_COUNT];
Pipe pipe = Pipe.open();
Pipe.SinkChannel sink = pipe.sink();
Pipe.SourceChannel source = pipe.source();
Selector sel = Selector.open();
source.configureBlocking(false);
source.register(sel, SelectionKey.OP_READ);
for (int i = 0; i < PIPES_COUNT; i++) {
pipes[i] = Pipe.open();
Pipe.SourceChannel sc = pipes[i].source();
sc.configureBlocking(false);
sc.register(sel, SelectionKey.OP_READ);
Pipe.SinkChannel sc2 = pipes[i].sink();
sc2.configureBlocking(false);
sc2.register(sel, SelectionKey.OP_WRITE);
}
for (int i = 0; i < LOOPS; i++) {
sink.write(ByteBuffer.allocate(BUF_SIZE));
int x = sel.selectNow();
sel.selectedKeys().clear();
source.read(ByteBuffer.allocate(BUF_SIZE));
}
for (int i = 0; i < PIPES_COUNT; i++) {
pipes[i].sink().close();
pipes[i].source().close();
}
pipe.sink().close();
pipe.source().close();
sel.close();
}
/** This is for thr_new(2) (fork(2) also uses this internally). */
public Slave newSlave(
PairId newPairId,
Process process,
NormalizedPath currentDirectory,
Permissions permissions,
Links links,
Slave.Listener listener)
throws IOException {
Pipe slave2hub = Pipe.open();
Pipe hub2slave = Pipe.open();
Slave slave =
new Slave(
this,
process,
new SyscallReadableChannel(hub2slave.source()),
new SyscallWritableChannel(slave2hub.sink()),
currentDirectory,
permissions,
links,
listener);
process.add(slave);
mSlaveHub.addSlave(
new SyscallReadableChannel(slave2hub.source()),
new SyscallWritableChannel(hub2slave.sink()),
newPairId);
return slave;
}
public int run(
SyscallReadableChannel in,
SyscallWritableChannel out,
NormalizedPath currentDirectory,
InputStream stdin,
OutputStream stdout,
OutputStream stderr,
Permissions permissions,
Links links,
Slave.Listener listener,
String resourceDirectory)
throws IOException, InterruptedException {
mLogger.info("starting a slave application");
mResourceDirectory = resourceDirectory;
initializeInitProcess();
Process process = new Process(mPidGenerator.next(), mInit);
mInit.addChild(process);
addProcess(process);
Pipe slave2hub = Pipe.open();
Pipe hub2slave = Pipe.open();
Slave slave =
new Slave(
this,
process,
new SyscallReadableChannel(hub2slave.source()),
new SyscallWritableChannel(slave2hub.sink()),
currentDirectory,
stdin,
stdout,
stderr,
permissions,
links,
listener);
process.add(slave);
mSlaveHub =
new SlaveHub(
this,
in,
out,
new SyscallReadableChannel(slave2hub.source()),
new SyscallWritableChannel(hub2slave.sink()));
new Thread(slave).start();
mSlaveHub.work();
synchronized (mAlarm) {
while (!mProcesses.isEmpty()) {
mAlarm.wait();
}
}
return !mCancelled ? mExitStatus : 255;
}
@Override
public boolean onWritable() {
try {
if (mInputBuffer != null) {
mInput.sink().write(mInputBuffer);
if (!mInputBuffer.hasRemaining()) mInputBuffer = null;
}
if (mInputBuffer == null) {
mInput.sink().register(AdbServer.server().selector(), SelectionKey.OP_WRITE, this);
}
return true;
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
protected AdbThreadSocket(String name) throws IOException {
mInput = Pipe.open();
mInput.sink().configureBlocking(false);
mOutput = Pipe.open();
mOutput.source().configureBlocking(false);
mOutputBuffer = ByteBuffer.allocate(AdbMessage.MAX_PAYLOAD);
mThread =
new Thread(
new Runnable() {
@Override
public void run() {
loop();
try {
output().close();
} catch (IOException e) {
e.printStackTrace();
}
try {
input().close();
} catch (IOException e) {
e.printStackTrace();
}
}
},
name);
}
public Signaler() {
// Create the socketpair for signaling.
Pipe pipe;
try {
pipe = Pipe.open();
} catch (IOException e) {
throw new ZError.IOException(e);
}
r = pipe.source();
w = pipe.sink();
// Set both fds to non-blocking mode.
try {
Utils.unblockSocket(w);
Utils.unblockSocket(r);
} catch (IOException e) {
throw new ZError.IOException(e);
}
try {
selector = Selector.open();
r.register(selector, SelectionKey.OP_READ);
} catch (IOException e) {
throw new ZError.IOException(e);
}
}
private static void scScatter() throws Exception {
Pipe p = Pipe.open();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
sink.configureBlocking(false);
ByteBuffer outgoingdata = ByteBuffer.allocateDirect(30);
byte[] someBytes = new byte[30];
generator.nextBytes(someBytes);
outgoingdata.put(someBytes);
outgoingdata.flip();
int totalWritten = 0;
while (totalWritten < 30) {
int written = sink.write(outgoingdata);
if (written < 0) throw new Exception("Write failed");
totalWritten += written;
}
ByteBuffer[] bufs = new ByteBuffer[3];
for (int i = 0; i < 3; i++) bufs[i] = ByteBuffer.allocateDirect(10);
long numBytesRead = source.read(bufs);
if (numBytesRead < 30) throw new Exception("Pipe test failed");
sink.close();
source.close();
}
/**
* A convenience method for the following code:
*
* <pre>
* {@link Pipe} inputToOutput = {@link Pipe#open()};
* {@link Pipe.SinkChannel} sink = {@link Pipe#sink() inputToOutput.sink()};
* {@link SelectableChannel#configureBlocking(boolean) sink.configureBlocking(false)};
* {@link #addRoute(SelectableChannel, SelectableChannel) addRoute(input, sink)};
*
* {@link Pipe.SourceChannel} source = {@link Pipe#source() inputToOutput.source()};
* return {@link #wrapChannelInObjectInputStream(ReadableByteChannel) wrapChannelInObjectInputStream(source)};
* </pre>
*
* @throws IOException pass-through for any {@link IOException} that occurs in the above code
*/
public <T extends SelectableChannel & ReadableByteChannel>
ObjectInputStream addRouteToObjectInputStream(T input) throws IOException {
Pipe inputToOutput = Pipe.open();
Pipe.SinkChannel sink = inputToOutput.sink();
sink.configureBlocking(false);
addRoute(input, sink);
Pipe.SourceChannel source = inputToOutput.source();
return wrapChannelInObjectInputStream(source);
}
/**
* A convenience method for the following code:
*
* <pre>
* {@link Pipe} inputToOutput = {@link Pipe#open()};
* {@link Pipe.SourceChannel} source = {@link Pipe#source() inputToOutput.source()};
* {@link SelectableChannel#configureBlocking(boolean) source.configureBlocking(false)};
* {@link #addRoute(SelectableChannel, SelectableChannel) addRoute(source, output)};
*
* {@link Pipe.SinkChannel} sink = {@link Pipe#sink() inputToOutput.sink()};
* return {@link #wrapChannelInObjectOutputStream(WritableByteChannel) wrapChannelInObjectOutputStream(sink)};
* </pre>
*
* Users must call {@link ObjectOutputStream#flush()} before attempting to construct a matching
* {@link ObjectInputStream} to ensure a serialization header is available.
*
* @throws IOException pass-through for any {@link IOException} that occurs in the above code
*/
public <T extends SelectableChannel & WritableByteChannel>
ObjectOutputStream addRouteFromObjectOutputStream(T output) throws IOException {
Pipe inputToOutput = Pipe.open();
Pipe.SourceChannel source = inputToOutput.source();
source.configureBlocking(false);
addRoute(source, output);
Pipe.SinkChannel sink = inputToOutput.sink();
return wrapChannelInObjectOutputStream(sink);
}
@Test
public void testReadingCallable() throws Exception {
// Exit gracefully on close
Pipe pipe = Pipe.open();
final SourceChannel sourceChannel = pipe.source();
SinkChannel sinkChannel = pipe.sink();
try {
MockRegistrationReference mockRegistrationReference =
new MockRegistrationReference(_executorIntraband);
ChannelContext channelContext = new ChannelContext(
new LinkedList<Datagram>());
channelContext.setRegistrationReference(mockRegistrationReference);
ReadingCallable readingCallable =
_executorIntraband.new ReadingCallable(
sourceChannel, channelContext);
SyncThrowableThread<Void> syncThrowableThread =
new SyncThrowableThread<>(
new Callable<Void>() {
@Override
public Void call() throws Exception {
sleep(100);
sourceChannel.close();
return null;
}
});
syncThrowableThread.start();
readingCallable.openLatch();
Void result = readingCallable.call();
syncThrowableThread.sync();
Assert.assertNull(result);
Assert.assertFalse(mockRegistrationReference.isValid());
}
finally {
sourceChannel.close();
sinkChannel.close();
}
}
public SelectorImpl(SelectorProvider selectorProvider) {
super(selectorProvider);
try {
Pipe mockSelector = selectorProvider.openPipe();
sink = mockSelector.sink();
source = mockSelector.source();
sourcefd = ((FileDescriptorHandler) source).getFD();
source.configureBlocking(false);
} catch (IOException e) {
// do nothing
}
}
/** {@inheritDoc} */
@Override
public ReadableByteChannel getRawImageData() {
Pipe pipe = null;
try {
pipe = Pipe.open();
} catch (IOException e) {
throw new RuntimeException(e);
}
decoderthreadpool.execute(
new RawFrameDecoder(new DuplicateReadOnlyByteChannel(bytechannel), pipe.sink()));
return pipe.source();
}
/** {@inheritDoc} */
@Override
public ReadableByteChannel getImagesData() {
// Leverage the raw frame decoder as input to the colour decoder
Pipe pipe = null;
try {
pipe = Pipe.open();
} catch (IOException e) {
throw new RuntimeException(e);
}
decoderthreadpool.execute(new ColourFrameDecoder(getRawImageData(), pipe.sink()));
return pipe.source();
}
public Overlord() {
try {
selector = Selector.open();
queue = new ConcurrentLinkedQueue<Communicator>();
// open the pipe and register it with our selector
pipe = Pipe.open();
pipe.sink().configureBlocking(false);
pipe.source().configureBlocking(false);
pipe.source().register(selector, SelectionKey.OP_READ);
} catch (IOException e) {
throw new RuntimeException("select() failed");
}
}
@Override
public int enqueue(AdbMessage message) {
if (mInputBuffer != null) return -1;
mInputBuffer = ByteBuffer.wrap(message.data, 0, message.dataLength);
try {
mInput.sink().write(mInputBuffer);
} catch (IOException e) {
e.printStackTrace();
mInputBuffer = null;
return -1;
}
if (mInputBuffer.hasRemaining()) {
try {
mInput.sink().register(AdbServer.server().selector(), SelectionKey.OP_WRITE, this);
} catch (ClosedChannelException e) {
mInputBuffer = null;
return -1;
}
return 1;
}
mInputBuffer = null;
return 0;
}
@Test
public void testRegisterChannelReadWrite() throws Exception {
// Scattering byte channel is null
try {
_selectorIntraband.registerChannel(null, null);
Assert.fail();
} catch (NullPointerException npe) {
Assert.assertEquals("Scattering byte channel is null", npe.getMessage());
}
// Gathering byte channel is null
try {
_selectorIntraband.registerChannel(
IntrabandTestUtil.<ScatteringByteChannel>createProxy(ScatteringByteChannel.class), null);
Assert.fail();
} catch (NullPointerException npe) {
Assert.assertEquals("Gathering byte channel is null", npe.getMessage());
}
// Scattering byte channel is not of type SelectableChannel
try {
_selectorIntraband.registerChannel(
IntrabandTestUtil.<ScatteringByteChannel>createProxy(ScatteringByteChannel.class),
IntrabandTestUtil.<GatheringByteChannel>createProxy(GatheringByteChannel.class));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals(
"Scattering byte channel is not of type SelectableChannel", iae.getMessage());
}
// Gathering byte channel is not of type SelectableChannel
try {
_selectorIntraband.registerChannel(
new MockDuplexSelectableChannel(false, false),
IntrabandTestUtil.<GatheringByteChannel>createProxy(GatheringByteChannel.class));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals(
"Gathering byte channel is not of type SelectableChannel", iae.getMessage());
}
// Scattering byte channel is not valid for reading
try {
_selectorIntraband.registerChannel(
new MockDuplexSelectableChannel(false, true),
new MockDuplexSelectableChannel(true, true));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals("Scattering byte channel is not valid for reading", iae.getMessage());
}
// Gathering byte channel is not valid for writing
try {
_selectorIntraband.registerChannel(
new MockDuplexSelectableChannel(true, true),
new MockDuplexSelectableChannel(true, false));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals("Gathering byte channel is not valid for writing", iae.getMessage());
}
// Interruptted on register
Pipe pipe = Pipe.open();
SourceChannel sourceChannel = pipe.source();
SinkChannel sinkChannel = pipe.sink();
final Thread mainThread = Thread.currentThread();
Thread wakeUpThread = new Thread(new WakeUpRunnable(_selectorIntraband));
Thread interruptThread =
new Thread() {
@Override
public void run() {
while (mainThread.getState() != Thread.State.WAITING) ;
mainThread.interrupt();
}
};
wakeUpThread.start();
Selector selector = _selectorIntraband.selector;
synchronized (selector) {
wakeUpThread.interrupt();
wakeUpThread.join();
interruptThread.start();
try {
_selectorIntraband.registerChannel(sourceChannel, sinkChannel);
Assert.fail();
} catch (IOException ioe) {
Throwable cause = ioe.getCause();
Assert.assertTrue(cause instanceof InterruptedException);
}
interruptThread.join();
}
_selectorIntraband.close();
// Normal register
_selectorIntraband = new SelectorIntraband(_DEFAULT_TIMEOUT);
SelectionKeyRegistrationReference selectionKeyRegistrationReference =
(SelectionKeyRegistrationReference)
_selectorIntraband.registerChannel(sourceChannel, sinkChannel);
Assert.assertNotNull(selectionKeyRegistrationReference);
SelectionKey readSelectionKey = selectionKeyRegistrationReference.readSelectionKey;
Assert.assertTrue(readSelectionKey.isValid());
Assert.assertEquals(SelectionKey.OP_READ, readSelectionKey.interestOps());
Assert.assertNotNull(readSelectionKey.attachment());
SelectionKey writeSelectionKey = selectionKeyRegistrationReference.writeSelectionKey;
Assert.assertTrue(writeSelectionKey.isValid());
Assert.assertEquals(0, writeSelectionKey.interestOps());
Assert.assertNotNull(writeSelectionKey.attachment());
Assert.assertSame(readSelectionKey.attachment(), writeSelectionKey.attachment());
writeSelectionKey.interestOps(SelectionKey.OP_WRITE);
selector = _selectorIntraband.selector;
selector.wakeup();
while (writeSelectionKey.interestOps() != 0) ;
unregisterChannels(selectionKeyRegistrationReference);
// Register after close
_selectorIntraband.close();
try {
_selectorIntraband.registerChannel(sourceChannel, sinkChannel);
Assert.fail();
} catch (ClosedIntrabandException cibe) {
}
sourceChannel.close();
sinkChannel.close();
}
public static void main(String[] args) throws IOException {
ChannelRouter channelRouter =
new ChannelRouter(
new ExceptionListener<IOException>() {
@Override
public void exceptionThrown(IOException exception) {
exception.printStackTrace();
}
});
int port = Integer.parseInt(args[1]);
SocketChannel socketChannel;
if (args[0].equals("--server")) {
System.out.println("Server mode started; listening on port " + port);
ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
serverSocketChannel.socket().bind(new InetSocketAddress(port));
socketChannel = serverSocketChannel.accept();
System.out.println("Client connected");
serverSocketChannel.close();
} else {
String host = args[0];
System.out.println("Client mode started; connecting to " + host + " on port " + port);
socketChannel = SocketChannel.open(new InetSocketAddress(host, port));
System.out.println("Connected to server");
}
socketChannel.configureBlocking(false);
Pipe localToRemote = Pipe.open();
localToRemote.source().configureBlocking(false);
channelRouter.addRoute(localToRemote.source(), socketChannel);
final Pipe remoteToLocal = Pipe.open();
remoteToLocal.sink().configureBlocking(false);
channelRouter.addRoute(socketChannel, remoteToLocal.sink());
Thread channelRouterThread = new Thread(channelRouter, "ChannelRouter");
channelRouterThread.start();
Thread remoteReaderThread =
new Thread("RemoteReader") {
@Override
public void run() {
try {
// BufferedReader.readLine() blocks until an end-of-line is
// written, so make sure they get written by the main thread
InputStream temporaryInputStream = Channels.newInputStream(remoteToLocal.source());
BufferedReader in = new BufferedReader(new InputStreamReader(temporaryInputStream));
String line = in.readLine();
while (null != line) {
System.out.println(line);
line = in.readLine();
}
} catch (ClosedByInterruptException e) {
// The main thread wants us to close, so do nothing
} catch (IOException e) {
e.printStackTrace();
}
}
};
remoteReaderThread.start();
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
Writer temporaryWriter = new OutputStreamWriter(Channels.newOutputStream(localToRemote.sink()));
temporaryWriter = new BufferedWriter(temporaryWriter);
PrintWriter out = new PrintWriter(temporaryWriter, true);
System.out.println(
"Press end-of-file to terminate (Ctrl+Z on Windows, Ctrl+D on other platforms)");
String line = in.readLine();
while (null != line) {
// The end-of-line is required for BufferedReader.readLine() to
// return and this will automatically flush due to the auto-flush
// parameter on construction
out.println(line);
line = in.readLine();
}
remoteReaderThread.interrupt();
channelRouterThread.interrupt();
socketChannel.close();
}
@Test
public void testSendDatagramWithoutCallback() throws Exception {
// Single datagram sending
Pipe readPipe = Pipe.open();
Pipe writePipe = Pipe.open();
GatheringByteChannel gatheringByteChannel = writePipe.sink();
ScatteringByteChannel scatteringByteChannel = readPipe.source();
SelectionKeyRegistrationReference registrationReference =
(SelectionKeyRegistrationReference)
_selectorIntraband.registerChannel(writePipe.source(), readPipe.sink());
Thread wakeUpThread = new Thread(new WakeUpRunnable(_selectorIntraband));
wakeUpThread.start();
Selector selector = _selectorIntraband.selector;
synchronized (selector) {
wakeUpThread.interrupt();
wakeUpThread.join();
Datagram requestDatagram = Datagram.createRequestDatagram(_type, _data);
_selectorIntraband.sendDatagram(registrationReference, requestDatagram);
SelectionKey writeSelectionKey = registrationReference.writeSelectionKey;
ChannelContext channelContext = (ChannelContext) writeSelectionKey.attachment();
Queue<Datagram> sendingQueue = channelContext.getSendingQueue();
Assert.assertEquals(1, sendingQueue.size());
Assert.assertSame(requestDatagram, sendingQueue.peek());
}
Datagram receiveDatagram = IntrabandTestUtil.readDatagramFully(scatteringByteChannel);
Assert.assertEquals(_type, receiveDatagram.getType());
ByteBuffer dataByteBuffer = receiveDatagram.getDataByteBuffer();
Assert.assertArrayEquals(_data, dataByteBuffer.array());
// Two datagrams continuous sending
Datagram requestDatagram1 = Datagram.createRequestDatagram(_type, _data);
Datagram requestDatagram2 = Datagram.createRequestDatagram(_type, _data);
wakeUpThread = new Thread(new WakeUpRunnable(_selectorIntraband));
wakeUpThread.start();
synchronized (selector) {
wakeUpThread.interrupt();
wakeUpThread.join();
_selectorIntraband.sendDatagram(registrationReference, requestDatagram1);
_selectorIntraband.sendDatagram(registrationReference, requestDatagram2);
SelectionKey writeSelectionKey = registrationReference.writeSelectionKey;
ChannelContext channelContext = (ChannelContext) writeSelectionKey.attachment();
Queue<Datagram> sendingQueue = channelContext.getSendingQueue();
Assert.assertEquals(2, sendingQueue.size());
Datagram[] datagrams = sendingQueue.toArray(new Datagram[2]);
Assert.assertSame(requestDatagram1, datagrams[0]);
Assert.assertSame(requestDatagram2, datagrams[1]);
}
Datagram receiveDatagram1 = IntrabandTestUtil.readDatagramFully(scatteringByteChannel);
Assert.assertEquals(_type, receiveDatagram1.getType());
dataByteBuffer = receiveDatagram1.getDataByteBuffer();
Assert.assertArrayEquals(_data, dataByteBuffer.array());
Datagram receiveDatagram2 = IntrabandTestUtil.readDatagramFully(scatteringByteChannel);
Assert.assertEquals(_type, receiveDatagram2.getType());
dataByteBuffer = receiveDatagram2.getDataByteBuffer();
Assert.assertArrayEquals(_data, dataByteBuffer.array());
// Two datagrams delay sending
requestDatagram1 = Datagram.createRequestDatagram(_type, _data);
requestDatagram2 = Datagram.createRequestDatagram(_type, _data);
wakeUpThread = new Thread(new WakeUpRunnable(_selectorIntraband));
wakeUpThread.start();
SelectionKey writeSelectionKey = registrationReference.writeSelectionKey;
ChannelContext channelContext = (ChannelContext) writeSelectionKey.attachment();
Queue<Datagram> sendingQueue = channelContext.getSendingQueue();
synchronized (writeSelectionKey) {
synchronized (selector) {
wakeUpThread.interrupt();
wakeUpThread.join();
_selectorIntraband.sendDatagram(registrationReference, requestDatagram1);
Assert.assertEquals(1, sendingQueue.size());
Assert.assertSame(requestDatagram1, sendingQueue.peek());
}
receiveDatagram1 = IntrabandTestUtil.readDatagramFully(scatteringByteChannel);
Assert.assertEquals(_type, receiveDatagram1.getType());
dataByteBuffer = receiveDatagram1.getDataByteBuffer();
Assert.assertArrayEquals(_data, dataByteBuffer.array());
Thread pollingThread = _selectorIntraband.pollingThread;
while (pollingThread.getState() == Thread.State.RUNNABLE) ;
_selectorIntraband.sendDatagram(registrationReference, requestDatagram2);
Assert.assertEquals(1, sendingQueue.size());
Assert.assertSame(requestDatagram2, sendingQueue.peek());
}
receiveDatagram2 = IntrabandTestUtil.readDatagramFully(scatteringByteChannel);
Assert.assertEquals(_type, receiveDatagram2.getType());
dataByteBuffer = receiveDatagram2.getDataByteBuffer();
Assert.assertArrayEquals(_data, dataByteBuffer.array());
// Huge datagram sending
int hugeBufferSize = 1024 * 1024 * 10;
ByteBuffer hugeBuffer = ByteBuffer.allocate(hugeBufferSize);
for (int i = 0; i < hugeBufferSize; i++) {
hugeBuffer.put(i, (byte) i);
}
_selectorIntraband.sendDatagram(
registrationReference, Datagram.createRequestDatagram(_type, hugeBuffer));
receiveDatagram = DatagramHelper.createReceiveDatagram();
channelContext = (ChannelContext) writeSelectionKey.attachment();
int count = 0;
while (!DatagramHelper.readFrom(receiveDatagram, scatteringByteChannel)) {
count++;
}
Assert.assertTrue(count > 0);
sendingQueue = channelContext.getSendingQueue();
Assert.assertTrue(sendingQueue.isEmpty());
dataByteBuffer = receiveDatagram.getDataByteBuffer();
Assert.assertArrayEquals(hugeBuffer.array(), dataByteBuffer.array());
unregisterChannels(registrationReference);
gatheringByteChannel.close();
scatteringByteChannel.close();
}
@AdviseWith(adviceClasses = {Jdk14LogImplAdvice.class})
@Test
public void testSendDatagramWithCallback() throws Exception {
// Submitted callback
Pipe readPipe = Pipe.open();
Pipe writePipe = Pipe.open();
GatheringByteChannel gatheringByteChannel = writePipe.sink();
ScatteringByteChannel scatteringByteChannel = readPipe.source();
RegistrationReference registrationReference =
_selectorIntraband.registerChannel(writePipe.source(), readPipe.sink());
Object attachment = new Object();
RecordCompletionHandler<Object> recordCompletionHandler = new RecordCompletionHandler<Object>();
_selectorIntraband.sendDatagram(
registrationReference,
Datagram.createRequestDatagram(_type, _data),
attachment,
EnumSet.of(CompletionType.SUBMITTED),
recordCompletionHandler);
Datagram receiveDatagram = IntrabandTestUtil.readDatagramFully(scatteringByteChannel);
recordCompletionHandler.waitUntilSubmitted();
Assert.assertSame(attachment, recordCompletionHandler.getAttachment());
Assert.assertEquals(_type, receiveDatagram.getType());
ByteBuffer dataByteBuffer = receiveDatagram.getDataByteBuffer();
Assert.assertArrayEquals(_data, dataByteBuffer.array());
CaptureHandler captureHandler = null;
try {
// Callback timeout, with log
captureHandler =
JDKLoggerTestUtil.configureJDKLogger(BaseIntraband.class.getName(), Level.WARNING);
List<LogRecord> logRecords = captureHandler.getLogRecords();
recordCompletionHandler = new RecordCompletionHandler<Object>();
_selectorIntraband.sendDatagram(
registrationReference,
Datagram.createRequestDatagram(_type, _data),
attachment,
EnumSet.of(CompletionType.DELIVERED),
recordCompletionHandler,
10,
TimeUnit.MILLISECONDS);
Selector selector = _selectorIntraband.selector;
recordCompletionHandler.waitUntilTimeouted(selector);
Assert.assertSame(attachment, recordCompletionHandler.getAttachment());
Assert.assertEquals(1, logRecords.size());
IntrabandTestUtil.assertMessageStartWith(
logRecords.get(0), "Removed timeout response waiting datagram");
// Callback timeout, without log
logRecords = captureHandler.resetLogLevel(Level.OFF);
recordCompletionHandler = new RecordCompletionHandler<Object>();
_selectorIntraband.sendDatagram(
registrationReference,
Datagram.createRequestDatagram(_type, _data),
attachment,
EnumSet.of(CompletionType.DELIVERED),
recordCompletionHandler,
10,
TimeUnit.MILLISECONDS);
recordCompletionHandler.waitUntilTimeouted(selector);
Assert.assertSame(attachment, recordCompletionHandler.getAttachment());
Assert.assertTrue(logRecords.isEmpty());
} finally {
if (captureHandler != null) {
captureHandler.close();
}
}
// Callback timeout, completion handler causes NPE
captureHandler =
JDKLoggerTestUtil.configureJDKLogger(SelectorIntraband.class.getName(), Level.SEVERE);
try {
List<LogRecord> logRecords = captureHandler.getLogRecords();
recordCompletionHandler =
new RecordCompletionHandler<Object>() {
@Override
public void timedOut(Object attachment) {
super.timedOut(attachment);
throw new NullPointerException();
}
};
Jdk14LogImplAdvice.reset();
Selector selector = _selectorIntraband.selector;
try {
_selectorIntraband.sendDatagram(
registrationReference,
Datagram.createRequestDatagram(_type, _data),
attachment,
EnumSet.of(CompletionType.DELIVERED),
recordCompletionHandler,
10,
TimeUnit.MILLISECONDS);
} finally {
recordCompletionHandler.waitUntilTimeouted(selector);
Jdk14LogImplAdvice.waitUntilErrorCalled();
}
Assert.assertFalse(selector.isOpen());
Assert.assertEquals(1, logRecords.size());
IntrabandTestUtil.assertMessageStartWith(
logRecords.get(0), SelectorIntraband.class + ".threadFactory-1 exiting exceptionally");
gatheringByteChannel.close();
scatteringByteChannel.close();
} finally {
captureHandler.close();
}
}
@AdviseWith(adviceClasses = {Jdk14LogImplAdvice.class})
@Test
public void testReceiveDatagram() throws Exception {
Pipe readPipe = Pipe.open();
Pipe writePipe = Pipe.open();
GatheringByteChannel gatheringByteChannel = writePipe.sink();
ScatteringByteChannel scatteringByteChannel = readPipe.source();
SelectionKeyRegistrationReference registrationReference =
(SelectionKeyRegistrationReference)
_selectorIntraband.registerChannel(writePipe.source(), readPipe.sink());
long sequenceId = 100;
CaptureHandler captureHandler = null;
try {
// Receive ACK response, no ACK request, with log
captureHandler =
JDKLoggerTestUtil.configureJDKLogger(BaseIntraband.class.getName(), Level.WARNING);
List<LogRecord> logRecords = captureHandler.getLogRecords();
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(
DatagramHelper.createACKResponseDatagram(sequenceId), gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilWarnCalled();
}
Assert.assertEquals(1, logRecords.size());
IntrabandTestUtil.assertMessageStartWith(
logRecords.get(0), "Dropped ownerless ACK response ");
// Receive ACK response, no ACK request, without log
logRecords = captureHandler.resetLogLevel(Level.OFF);
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(
DatagramHelper.createACKResponseDatagram(sequenceId), gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilIsWarnEnableCalled();
}
Assert.assertTrue(logRecords.isEmpty());
// Receive ACK response, with ACK request
Datagram requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setAttachment(requestDatagram, new Object());
RecordCompletionHandler<Object> recordCompletionHandler =
new RecordCompletionHandler<Object>();
DatagramHelper.setCompletionHandler(requestDatagram, recordCompletionHandler);
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
DatagramHelper.setTimeout(requestDatagram, 10000);
BaseIntrabandHelper.addResponseWaitingDatagram(_selectorIntraband, requestDatagram);
DatagramHelper.writeTo(
DatagramHelper.createACKResponseDatagram(sequenceId), gatheringByteChannel);
recordCompletionHandler.waitUntilDelivered();
Assert.assertSame(
DatagramHelper.getAttachment(requestDatagram), recordCompletionHandler.getAttachment());
// Receive response, no request, with log
logRecords = captureHandler.resetLogLevel(Level.WARNING);
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(
Datagram.createResponseDatagram(requestDatagram, _data), gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilWarnCalled();
}
Assert.assertEquals(1, logRecords.size());
IntrabandTestUtil.assertMessageStartWith(logRecords.get(0), "Dropped ownerless response ");
// Receive response, no request, without log
logRecords = captureHandler.resetLogLevel(Level.OFF);
Jdk14LogImplAdvice.reset();
try {
requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
DatagramHelper.writeTo(
Datagram.createResponseDatagram(requestDatagram, _data), gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilIsWarnEnableCalled();
}
Assert.assertTrue(logRecords.isEmpty());
// Receive response, with request, with replied completion handler
requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setAttachment(requestDatagram, new Object());
recordCompletionHandler = new RecordCompletionHandler<Object>();
DatagramHelper.setCompletionHandler(requestDatagram, recordCompletionHandler);
DatagramHelper.setCompletionTypes(requestDatagram, EnumSet.of(CompletionType.REPLIED));
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
DatagramHelper.setTimeout(requestDatagram, 10000);
BaseIntrabandHelper.addResponseWaitingDatagram(_selectorIntraband, requestDatagram);
DatagramHelper.writeTo(
Datagram.createResponseDatagram(requestDatagram, _data), gatheringByteChannel);
recordCompletionHandler.waitUntilReplied();
Assert.assertSame(
DatagramHelper.getAttachment(requestDatagram), recordCompletionHandler.getAttachment());
// Receive response, with request, without replied completion
// handler, with log
logRecords = captureHandler.resetLogLevel(Level.WARNING);
requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setCompletionTypes(requestDatagram, EnumSet.noneOf(CompletionType.class));
recordCompletionHandler = new RecordCompletionHandler<Object>();
DatagramHelper.setCompletionHandler(requestDatagram, recordCompletionHandler);
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
DatagramHelper.setTimeout(requestDatagram, 10000);
BaseIntrabandHelper.addResponseWaitingDatagram(_selectorIntraband, requestDatagram);
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(
Datagram.createResponseDatagram(requestDatagram, _data), gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilWarnCalled();
}
Assert.assertEquals(1, logRecords.size());
IntrabandTestUtil.assertMessageStartWith(logRecords.get(0), "Dropped unconcerned response ");
// Receive response, with request, without replied completion
// handler, without log
logRecords = captureHandler.resetLogLevel(Level.OFF);
requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setCompletionTypes(requestDatagram, EnumSet.noneOf(CompletionType.class));
recordCompletionHandler = new RecordCompletionHandler<Object>();
DatagramHelper.setCompletionHandler(requestDatagram, recordCompletionHandler);
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
DatagramHelper.setTimeout(requestDatagram, 10000);
BaseIntrabandHelper.addResponseWaitingDatagram(_selectorIntraband, requestDatagram);
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(
Datagram.createResponseDatagram(requestDatagram, _data), gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilIsWarnEnableCalled();
}
Assert.assertTrue(logRecords.isEmpty());
// Receive request, requires ACK, no datagram receive handler,
// with log
logRecords = captureHandler.resetLogLevel(Level.WARNING);
requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setAckRequest(requestDatagram);
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(requestDatagram, gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilWarnCalled();
}
Datagram ackResponseDatagram = IntrabandTestUtil.readDatagramFully(scatteringByteChannel);
Assert.assertEquals(sequenceId, DatagramHelper.getSequenceId(ackResponseDatagram));
Assert.assertTrue(DatagramHelper.isAckResponse(ackResponseDatagram));
ByteBuffer dataByteBuffer = ackResponseDatagram.getDataByteBuffer();
Assert.assertEquals(0, dataByteBuffer.capacity());
Assert.assertEquals(1, logRecords.size());
IntrabandTestUtil.assertMessageStartWith(logRecords.get(0), "Dropped ownerless request ");
// Receive request, no datagram receive handler, without log
logRecords = captureHandler.resetLogLevel(Level.OFF);
requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(requestDatagram, gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilIsWarnEnableCalled();
}
Assert.assertTrue(logRecords.isEmpty());
// Receive request, with datagram receive handler,
logRecords = captureHandler.resetLogLevel(Level.SEVERE);
requestDatagram = Datagram.createRequestDatagram(_type, _data);
DatagramHelper.setSequenceId(requestDatagram, sequenceId);
RecordDatagramReceiveHandler recordDatagramReceiveHandler =
new RecordDatagramReceiveHandler();
_selectorIntraband.registerDatagramReceiveHandler(_type, recordDatagramReceiveHandler);
Jdk14LogImplAdvice.reset();
try {
DatagramHelper.writeTo(requestDatagram, gatheringByteChannel);
} finally {
Jdk14LogImplAdvice.waitUntilErrorCalled();
}
Datagram receiveDatagram = recordDatagramReceiveHandler.getReceiveDatagram();
Assert.assertEquals(sequenceId, DatagramHelper.getSequenceId(receiveDatagram));
Assert.assertEquals(_type, receiveDatagram.getType());
dataByteBuffer = receiveDatagram.getDataByteBuffer();
Assert.assertArrayEquals(_data, dataByteBuffer.array());
Assert.assertEquals(1, logRecords.size());
IntrabandTestUtil.assertMessageStartWith(logRecords.get(0), "Unable to dispatch");
unregisterChannels(registrationReference);
gatheringByteChannel.close();
scatteringByteChannel.close();
} finally {
if (captureHandler != null) {
captureHandler.close();
}
}
}
protected Pipe.SinkChannel output() {
return mOutput.sink();
}