private void testSender(int count) {
ArrayList<String> expected = new ArrayList<String>(count);
for (int i = 0; i < count; i++) {
expected.add(template.render(i));
}
server.setMaxConnections(1);
Sender snd = Sender.Builder().withTarget(server.address()).create();
reactor.getHandler().add(snd);
snd.start(reactor);
for (String msg : expected) {
snd.send(msg);
}
snd.close();
reactor.run();
assertEquals("messages received", expected, sink.getMessages());
}
@Before
public void setUp() throws Exception {
sink = new Sink();
server = new Server(sink);
reactor = Reactor.Factory.create();
reactor.getHandler().add(server);
}
@SuppressWarnings("serial")
private void testLinker(int addressCount, int messageCount) {
server.setMaxConnections(addressCount);
Linker linker = new Linker();
linker.start(reactor);
for (int i : range(addressCount)) {
for (int j : range(messageCount)) {
Sender snd = linker.sender(server.address(i), null);
assertEquals("sender per address", i + 1, linker.sendersSize());
final int fi = i, fj = j;
snd.send(dict("i", fi, "j", fj));
}
}
linker.close();
reactor.run();
HashMap<Integer, ArrayList<Map<?, ?>>> by_addr = new HashMap<>();
for (int i : range(addressCount)) {
by_addr.put(i, new ArrayList<Map<?, ?>>());
}
ArrayList<Map<?, ?>> messagesDicts = sink.getMessagesDicts();
for (Map<?, ?> m : messagesDicts) {
assertNotNull("did not receive a dict", m);
by_addr.get(m.get("i")).add(m);
}
for (int i : range(addressCount)) {
ArrayList<Map<?, ?>> actual = by_addr.get(i);
ArrayList<Map<?, ?>> expected = new ArrayList<>(messageCount);
for (int j : range(messageCount)) {
expected.add(dict("i", i, "j", j));
}
assertEquals(String.format("Messages for address %d", i), expected, actual);
}
assertEquals("total messages", addressCount * messageCount, messagesDicts.size());
}
/**
* Asynchronously runs the Proton {@link Reactor} accepting and sending messages. Any other call
* to this method on this {@link AmqpsIotHubConnection} will block until the {@link Reactor}
* terminates and this {@link AmqpsIotHubConnection} closes. Normally, this method should only be
* called once by the {@link #open()} method until the {@link AmqpsIotHubConnection} has been
* closed.
*
* @throws IOException if the {@link AmqpsIotHubConnectionBaseHandler} has not been initialized.
* @throws InterruptedException if there is a problem acquiring the semaphore.
*/
private synchronized void startReactorAsync() throws IOException, InterruptedException {
// Acquire permit to continue execution of this method and spawn a new thread.
reactorSemaphore.acquire();
if (this.amqpsHandler != null) {
this.reactor = Proton.reactor(this);
new Thread(
() -> {
try {
reactor.run();
// Closing here should be okay. The reactor will only stop running if the
// connection is remotely
// or locally closed. The transport will attempt to receive/send a message and
// will get an exception
// causing it to create a new AmqpsIoTHubConnection.
close();
// Release the semaphore and make permit available allowing for the next reactor
// thread to spawn.
reactorSemaphore.release();
} catch (Exception e) {
close();
reactorSemaphore.release();
}
})
.start();
} else {
throw new IOException(
"The Handler has not been initialized. Ensure that the AmqpsIotHubConnection is in an OPEN state by calling open().");
}
}
public static void main(String[] args) throws IOException {
try {
int port = Integer.valueOf(args[1]);
int numMsgs = Integer.valueOf(args[2]);
boolean result = false;
if ("send".equalsIgnoreCase(args[0])) {
Send send = new Send("localhost", port, numMsgs);
Reactor r = Proton.reactor(send);
r.run();
result = send.getResult();
} else {
Reactor r = Proton.reactor(new Recv(port, numMsgs));
r.run();
result = true;
}
System.exit(result ? 0 : 1);
} catch (Throwable t) {
t.printStackTrace();
System.exit(1);
}
}
@Override
public void onReactorInit(Event event) {
Reactor r = event.getReactor();
r.connectionToHost(host, port, sendHandler);
}
private void testSampler(final int count, float frequency) {
server.setMaxConnections(1);
final ArrayList<String> expected = new ArrayList<String>(count);
Timeout gen =
new Timeout() {
Tag tag = new SimpleTag(0);
int sent = 0;
@Override
public void onSample(DatawireEvent e) {
String body = template.render(sent);
expected.add(body);
Message message = Message.Factory.create();
message.setBody(new AmqpValue(body));
DatawireUtils.send(e.getLink(), tag, message);
sent += 1;
if (sent >= count) {
e.getLink().close();
cancel();
}
}
};
Sender snd =
Sender.Builder()
.withTarget(server.address())
.withHandlers(new Sampler(gen, frequency))
.create();
reactor.getHandler().add(snd);
gen.setTimeout(reactor, 2000);
snd.start(reactor);
reactor.run();
assertTrue("Sampling timed out", gen.isCancelled());
assertEquals("Expected messages", expected, sink.getMessages());
}