/**
* Test compatability between version 4.1.0 and the current version.
*
* <p>A current client running message filter would fail on 4.1.0 hub servers.
*/
@Test(timeout = 60000)
public void testClientMessageFilterCompat410() throws Exception {
ByteString topic = ByteString.copyFromUtf8("TestUpdateMessageBoundCompat410");
ByteString subid = ByteString.copyFromUtf8("mysub");
// start bookkeeper
BookKeeperCluster410 bkc410 = new BookKeeperCluster410(3);
bkc410.start();
int port = PortManager.nextFreePort();
int sslPort = PortManager.nextFreePort();
// start hub server 410
Server410 s410 = new Server410(zkUtil.getZooKeeperConnectString(), port, sslPort);
s410.start();
ClientCurrent ccur = new ClientCurrent("localhost:" + port + ":" + sslPort);
ccur.subscribe(topic, subid);
ccur.closeSubscription(topic, subid);
ccur.publishInts(topic, 0, 100);
try {
ccur.receiveNumModM(topic, subid, 0, 50, 2);
fail("client-side filter could not run on 4.1.0 hub server");
} catch (Exception e) {
logger.info("Should fail to run client-side message filter on 4.1.0 hub server.", e);
ccur.closeSubscription(topic, subid);
}
// stop 410 server
s410.stop();
// stop bookkeeper cluster
bkc410.stop();
}
/**
* Test compatability between version 4.1.0 and the current version.
*
* <p>A current server could read subscription data recorded by 4.1.0 server.
*/
@Test(timeout = 60000)
public void testSubscriptionDataCompat410() throws Exception {
ByteString topic = ByteString.copyFromUtf8("TestCompat410");
ByteString sub410 = ByteString.copyFromUtf8("sub410");
ByteString subcur = ByteString.copyFromUtf8("subcur");
// start bookkeeper 410
BookKeeperCluster410 bkc410 = new BookKeeperCluster410(3);
bkc410.start();
int port = PortManager.nextFreePort();
int sslPort = PortManager.nextFreePort();
// start 410 server
Server410 s410 = new Server410(zkUtil.getZooKeeperConnectString(), port, sslPort);
s410.start();
Client410 c410 = new Client410("localhost:" + port + ":" + sslPort);
c410.subscribe(topic, sub410);
c410.closeSubscription(topic, sub410);
Thread.sleep(1000); // give server time to run disconnect logic (BOOKKEEPER-513)
ClientCurrent ccur = new ClientCurrent("localhost:" + port + ":" + sslPort);
ccur.subscribe(topic, subcur);
ccur.closeSubscription(topic, subcur);
// publish messages using old client
c410.publishInts(topic, 0, 10);
// stop 410 server
s410.stop();
// start 420 server
Server420 s420 = new Server420(zkUtil.getZooKeeperConnectString(), port, sslPort);
s420.start();
c410.subscribe(topic, sub410);
c410.receiveInts(topic, sub410, 0, 10);
ccur.subscribe(topic, subcur);
ccur.receiveInts(topic, subcur, 0, 10);
// publish messages using current client
ccur.publishInts(topic, 10, 10);
c410.receiveInts(topic, sub410, 10, 10);
ccur.receiveInts(topic, subcur, 10, 10);
// stop 420 server
s420.stop();
c410.close();
ccur.close();
// stop bookkeeper cluster
bkc410.stop();
}