client.registerDatabusStreamListener(consumer, null, SOURCE1_NAME);
client.start();
try
{
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
return client._relayConnections.size() == 1;
}
}, "sources connection present", 100, log);
final DatabusSourcesConnection clientConn = client._relayConnections.get(0);
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
return null != clientConn.getRelayPullThread().getLastOpenConnection();
}
}, "relay connection present", 100, log);
final NettyHttpDatabusRelayConnection relayConn =
(NettyHttpDatabusRelayConnection)clientConn.getRelayPullThread().getLastOpenConnection();
final NettyHttpDatabusRelayConnectionInspector relayConnInsp =
new NettyHttpDatabusRelayConnectionInspector(relayConn);
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
return null != relayConnInsp.getChannel() && relayConnInsp.getChannel().isConnected();
}
}, "client connected", 200, log);
//figure out the connection to the relay
Channel clientChannel = relayConnInsp.getChannel();
InetSocketAddress relayAddr = (InetSocketAddress)clientChannel.getRemoteAddress();
SocketAddress clientAddr = clientChannel.getLocalAddress();
int relayPort = relayAddr.getPort();
log.info("relay selected: " + relayPort);
SimpleTestServerConnection relay = null;
for (int i = 0; i < RELAY_PORT.length; ++i)
{
if (relayPort == RELAY_PORT[i]) relay = _dummyServer[i];
}
assertTrue(null != relay);
final SocketAddress testClientAddr = clientAddr;
final SimpleTestServerConnection testRelay = relay;
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
return null != testRelay.getChildChannel(testClientAddr);
}
}, "relay detects new connection", 1000, log);
Channel serverChannel = relay.getChildChannel(clientAddr);
assertTrue(null != serverChannel);
ChannelPipeline serverPipeline = serverChannel.getPipeline();
SimpleObjectCaptureHandler objCapture = (SimpleObjectCaptureHandler)serverPipeline.get("3");
//process the /sources request
NettyTestUtils.waitForHttpRequest(objCapture, SOURCES_REQUEST_REGEX, 1000);
objCapture.clear();
//send back the /sources response
HttpResponse sourcesResp = new DefaultHttpResponse(HttpVersion.HTTP_1_1,
HttpResponseStatus.OK);
sourcesResp.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
sourcesResp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
HttpChunk body =
new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(("[{\"id\":1,\"name\":\"" +
SOURCE1_NAME + "\"}]").getBytes(Charset.defaultCharset())));
NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
//make sure the client processes the response correctly
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
String idListString = clientConn.getRelayPullThread()._currentState.getSourcesIdListString();
return "1".equals(idListString);
}
}, "client processes /sources response", 100, log);
log.debug("process the /register request");
NettyTestUtils.waitForHttpRequest(objCapture, "/register.*", 1000);
objCapture.clear();
log.debug("send back the /register response");
RegisterResponseEntry entry = new RegisterResponseEntry(1L, (short)1, SOURCE1_SCHEMA_STR);
String responseStr = NettyTestUtils.generateRegisterResponse(entry);
body = new DefaultHttpChunk(
ChannelBuffers.wrappedBuffer(responseStr.getBytes(Charset.defaultCharset())));
NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
log.debug("make sure the client processes the response /register correctly");
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
DispatcherState dispState = clientConn.getRelayDispatcher().getDispatcherState();
return null != dispState.getSchemaMap() && 1 == dispState.getSchemaMap().size();
}
}, "client processes /register response", 100, log);
log.debug("process /stream call and return a response with garbled suffix");
NettyTestUtils.waitForHttpRequest(objCapture, "/stream.*", 1000);
objCapture.clear();
final HttpResponse streamResp =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
streamResp.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
streamResp.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
//send the response asynchronously in case the client blocks
final Thread streamRespThread = new Thread(new Runnable()
{
@Override
public void run()
{
NettyTestUtils.sendServerResponses(testRelay, testClientAddr, streamResp,
new DefaultHttpChunk(streamRes),
60000);
}
}, "send /stream resp");
streamRespThread.setDaemon(true);
streamRespThread.start();
log.debug("make sure the client disconnects and recovers from the /stream response");
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
return null != relayConnInsp.getChannel() && !relayConnInsp.getChannel().isConnected();
}
}, "client disconnected", 30000, log);
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
return clientConn.getRelayPullThread().getLastOpenConnection() != relayConn;
}
}, "new netty connection", 30000, log);
//make sure the relay send thread is dead
streamRespThread.join(100);
Assert.assertTrue(!streamRespThread.isAlive());
log.debug("PHASE 2: make sure the client has fully recovered and able to connect to another relay");
final NettyHttpDatabusRelayConnection newRelayConn =
(NettyHttpDatabusRelayConnection)clientConn.getRelayPullThread().getLastOpenConnection();
final NettyHttpDatabusRelayConnectionInspector newRelayConnInsp =
new NettyHttpDatabusRelayConnectionInspector(newRelayConn);
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
return null != newRelayConnInsp.getChannel() && newRelayConnInsp.getChannel().isConnected();
}
}, "client connected to new relay", 200, log);
//figure out the connection to the relay
clientChannel = newRelayConnInsp.getChannel();
relayAddr = (InetSocketAddress)clientChannel.getRemoteAddress();
clientAddr = clientChannel.getLocalAddress();
relayPort = relayAddr.getPort();
log.info("new relay selected: " + relayPort);
relay = null;
int relayIdx = 0;
for (; relayIdx < RELAY_PORT.length; ++relayIdx)
{
if (relayPort == RELAY_PORT[relayIdx]) relay = _dummyServer[relayIdx];
}
assertTrue(null != relay);
serverChannel = relay.getChildChannel(clientAddr);
assertTrue(null != serverChannel);
serverPipeline = serverChannel.getPipeline();
objCapture = (SimpleObjectCaptureHandler)serverPipeline.get("3");
//process the /sources request
NettyTestUtils.waitForHttpRequest(objCapture, SOURCES_REQUEST_REGEX, 1000);
objCapture.clear();
//send back the /sources response
body = new DefaultHttpChunk(ChannelBuffers.wrappedBuffer(("[{\"id\":1,\"name\":\"" +
SOURCE1_NAME + "\"}]").getBytes(Charset.defaultCharset())));
NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
//make sure the client processes the response correctly
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
String idListString = clientConn.getRelayPullThread()._currentState.getSourcesIdListString();
return "1".equals(idListString);
}
}, "client processes /sources response", 100, log);
//process the /register request
NettyTestUtils.waitForHttpRequest(objCapture, "/register.*", 1000);
objCapture.clear();
//send back the /register response
body = new DefaultHttpChunk(
ChannelBuffers.wrappedBuffer(responseStr.getBytes(Charset.defaultCharset())));
NettyTestUtils.sendServerResponses(relay, clientAddr, sourcesResp, body);
//make sure the client processes the response correctly
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
DispatcherState dispState = clientConn.getRelayDispatcher().getDispatcherState();
return null != dispState.getSchemaMap() && 1 == dispState.getSchemaMap().size();
}
}, "client processes /register response", 100, log);
//process /stream call and return a partial window
Matcher streamMatcher =
NettyTestUtils.waitForHttpRequest(objCapture, "/stream.*checkPoint=([^&]*)&.*",
1000);
String cpString = streamMatcher.group(1);
log.debug("/stream checkpoint: " + cpString);
objCapture.clear();
NettyTestUtils.sendServerResponses(relay, clientAddr, streamResp,
new DefaultHttpChunk(streamResPrefix));
//make sure the client processes the response correctly
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
log.debug("lastWrittenScn=" + clientConn.getDataEventsBuffer().lastWrittenScn());
return clientConn.getDataEventsBuffer().lastWrittenScn() == 20;
}
}, "client receives /stream response", 1100, log);
TestUtil.assertWithBackoff(new ConditionCheck()
{
@Override
public boolean check()
{
log.debug("events num=" + consumer.getEventNum());