@Override
public boolean runCmd(String[] args) throws Exception {
CreateOrAttach mode;
boolean receive = true;
if (args.length < 3) {
return false;
} else if (args.length == 3) {
mode = CreateOrAttach.ATTACH;
receive = true;
} else {
try {
mode = CreateOrAttach.valueOf(Integer.parseInt(args[3]));
} catch (Exception e) {
System.err.println("Unknow mode : " + args[3]);
return false;
}
if (args.length >= 5) {
try {
receive = Boolean.parseBoolean(args[4]);
} catch (Exception e) {
receive = false;
}
}
}
if (mode == null) {
System.err.println("Unknow mode : " + args[3]);
return false;
}
ByteString topic = ByteString.copyFromUtf8(args[1]);
ByteString subId = ByteString.copyFromUtf8(args[2]);
try {
SubscriptionOptions options =
SubscriptionOptions.newBuilder().setCreateOrAttach(mode).setForceAttach(false).build();
subscriber.subscribe(topic, subId, options);
if (receive) {
subscriber.startDelivery(topic, subId, consoleHandler);
System.out.println("SUB DONE AND RECEIVE");
} else {
System.out.println("SUB DONE BUT NOT RECEIVE");
}
} catch (Exception e) {
System.err.println("SUB FAILED");
e.printStackTrace();
}
return true;
}
@Test
public void testInvalidServerSideMessageFilter() throws Exception {
ByteString topic = ByteString.copyFromUtf8("TestInvalidMessageFilter");
ByteString subid = ByteString.copyFromUtf8("mysub");
SubscriptionOptions options =
SubscriptionOptions.newBuilder()
.setCreateOrAttach(CreateOrAttach.CREATE_OR_ATTACH)
.setMessageFilter("Invalid_Message_Filter")
.build();
try {
subscriber.subscribe(topic, subid, options);
// coun't reach here
fail("Should fail subscribe with invalid message filter");
} catch (PubSubException pse) {
assertTrue(
"Should respond with INVALID_MESSAGE_FILTER",
pse.getMessage().contains("INVALID_MESSAGE_FILTER"));
}
}
private void receiveNumModM(
final ByteString topic,
final ByteString subid,
final String filterClassName,
final ClientMessageFilter filter,
final int start,
final int num,
final int M,
final boolean consume)
throws Exception {
PubSubProtocol.Map userOptions =
PubSubProtocol.Map.newBuilder()
.addEntries(
PubSubProtocol.Map.Entry.newBuilder()
.setKey(OPT_MOD)
.setValue(ByteString.copyFromUtf8(String.valueOf(M))))
.build();
SubscriptionOptions.Builder optionsBuilder =
SubscriptionOptions.newBuilder()
.setCreateOrAttach(CreateOrAttach.ATTACH)
.setOptions(userOptions);
if (null != filterClassName) {
optionsBuilder.setMessageFilter(filterClassName);
}
subscriber.subscribe(topic, subid, optionsBuilder.build());
final int base = start + M - start % M;
final AtomicInteger expected = new AtomicInteger(base);
final CountDownLatch latch = new CountDownLatch(1);
MessageHandler msgHandler =
new MessageHandler() {
public synchronized void deliver(
ByteString topic,
ByteString subscriberId,
Message msg,
Callback<Void> callback,
Object context) {
try {
int value = Integer.valueOf(msg.getBody().toStringUtf8());
// duplicated messages received, ignore them
if (value > start) {
if (value == expected.get()) {
expected.addAndGet(M);
} else {
logger.error(
"Did not receive expected value, expected {}, got {}", expected.get(), value);
expected.set(0);
latch.countDown();
}
if (expected.get() == (base + num * M)) {
latch.countDown();
}
}
callback.operationFinished(context, null);
if (consume) {
subscriber.consume(topic, subid, msg.getMsgId());
}
} catch (Exception e) {
logger.error("Received bad message", e);
latch.countDown();
}
}
};
if (null != filter) {
subscriber.startDeliveryWithFilter(topic, subid, msgHandler, filter);
} else {
subscriber.startDelivery(topic, subid, msgHandler);
}
assertTrue(
"Timed out waiting for messages mod " + M + " expected is " + expected.get(),
latch.await(10, TimeUnit.SECONDS));
assertEquals(
"Should be expected message with " + (base + num * M), (base + num * M), expected.get());
subscriber.stopDelivery(topic, subid);
subscriber.closeSubscription(topic, subid);
}