BlockTokenSecretManager sm = new BlockTokenSecretManager(
blockKeyUpdateInterval, blockTokenLifetime, 0, "fake-pool", null);
Token<BlockTokenIdentifier> token = sm.generateToken(block3,
EnumSet.allOf(BlockTokenSecretManager.AccessMode.class));
final Server server = createMockDatanode(sm, token);
server.start();
final InetSocketAddress addr = NetUtils.getConnectAddress(server);
DatanodeID fakeDnId = DFSTestUtil.getLocalDatanodeID(addr.getPort());
ExtendedBlock b = new ExtendedBlock("fake-pool", new Block(12345L));
LocatedBlock fakeBlock = new LocatedBlock(b, new DatanodeInfo[0]);
fakeBlock.setBlockToken(token);
// Create another RPC proxy with the same configuration - this will never
// attempt to connect anywhere -- but it causes the refcount on the
// RPC "Client" object to stay above 0 such that RPC.stopProxy doesn't
// actually close the TCP connections to the real target DN.
ClientDatanodeProtocol proxyToNoWhere = RPC.getProxy(
ClientDatanodeProtocol.class, ClientDatanodeProtocol.versionID,
new InetSocketAddress("1.1.1.1", 1),
UserGroupInformation.createRemoteUser("junk"), conf,
NetUtils.getDefaultSocketFactory(conf));
ClientDatanodeProtocol proxy = null;
int fdsAtStart = countOpenFileDescriptors();
try {
long endTime = Time.now() + 3000;
while (Time.now() < endTime) {
proxy = DFSUtil.createClientDatanodeProtocolProxy(fakeDnId, conf, 1000,
false, fakeBlock);
assertEquals(block3.getBlockId(), proxy.getReplicaVisibleLength(block3));
if (proxy != null) {
RPC.stopProxy(proxy);
}
LOG.info("Num open fds:" + countOpenFileDescriptors());
}
int fdsAtEnd = countOpenFileDescriptors();
if (fdsAtEnd - fdsAtStart > 50) {
fail("Leaked " + (fdsAtEnd - fdsAtStart) + " fds!");
}
} finally {
server.stop();
}
RPC.stopProxy(proxyToNoWhere);
}