/** Verify the ability to start a standalone server instance. */
@Test
public void testStandalone() throws Exception {
LOG.info("STARTING " + getName());
ClientBase.setupTestEnv();
final int CLIENT_PORT = 3181;
MainThread main = new MainThread(CLIENT_PORT);
main.start();
assertTrue(
"waiting for server being up",
ClientBase.waitForServerUp("localhost:" + CLIENT_PORT, CONNECTION_TIMEOUT));
ZooKeeper zk = new ZooKeeper("localhost:" + CLIENT_PORT, ClientBase.CONNECTION_TIMEOUT, this);
zk.create("/foo", "foobar".getBytes(), Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
assertEquals(new String(zk.getData("/foo", null, null)), "foobar");
zk.close();
main.shutdown();
assertTrue(
"waiting for server down",
ClientBase.waitForServerDown("localhost:" + CLIENT_PORT, ClientBase.CONNECTION_TIMEOUT));
}
public void killServer() throws Exception {
if (zkc != null) {
zkc.close();
}
// shutdown ZK server
if (serverFactory != null) {
serverFactory.shutdown();
assertTrue(
ClientBase.waitForServerDown(getZooKeeperConnectString(), ClientBase.CONNECTION_TIMEOUT),
"waiting for server down");
}
// ServerStats.unregister();
FileUtils.deleteDirectory(ZkTmpDir);
}
@After
@Override
protected void tearDown() throws Exception {
LOG.info("TearDown started");
shutdownServers();
for (String hp : hostPort.split(",")) {
assertTrue(
"waiting for server down",
ClientBase.waitForServerDown(hp, ClientBase.CONNECTION_TIMEOUT));
LOG.info(hp + " is no longer accepting client connections");
}
JMXEnv.tearDown();
LOG.info("FINISHED " + getName());
}
static void shutdownServerInstance(ServerCnxnFactory factory, String hostPort) {
if (factory != null) {
ZKDatabase zkDb = null;
{
ZooKeeperServer zs = getServer(factory);
if (zs != null) {
zkDb = zs.getZKDatabase();
}
}
factory.shutdown();
try {
if (zkDb != null) {
zkDb.close();
}
} catch (IOException ie) {
LOG.warn("Error closing logs ", ie);
}
final int PORT = getPort(hostPort);
Assert.assertTrue(
"waiting for server down",
ClientBase.waitForServerDown("127.0.0.1:" + PORT, CONNECTION_TIMEOUT));
}
}
@After
public void tearDown() throws Exception {
serverFactory.shutdown();
Assert.assertTrue(
"waiting for server down", ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));
}