package org.jolokia.discovery;
import java.io.IOException;
import java.net.SocketException;
import java.net.URL;
import java.util.List;
import java.util.UUID;
import org.jolokia.Version;
import org.jolokia.restrictor.AllowAllRestrictor;
import org.jolokia.util.LogHandler;
import org.jolokia.util.NetworkUtil;
import org.json.simple.JSONObject;
import org.testng.SkipException;
import org.testng.annotations.Test;
import static org.jolokia.discovery.AbstractDiscoveryMessage.MessageType.QUERY;
import static org.jolokia.discovery.MulticastUtil.sendQueryAndCollectAnswers;
import static org.testng.Assert.*;
/**
* @author roland
* @since 27.01.14
*/
public class MulticastSocketListenerThreadTest {
public static final String JOLOKIA_URL = "http://localhost:8080/jolokia";
private URL url;
private String id;
private MulticastSocketListenerThread startSocketListener() throws IOException, InterruptedException {
url = new URL(JOLOKIA_URL);
id = UUID.randomUUID().toString();
final AgentDetails details = new AgentDetails(id);
details.updateAgentParameters(JOLOKIA_URL, false);
details.setServerInfo("jolokia", "jolokia-test", "1.0");
MulticastSocketListenerThread listenerThread = new MulticastSocketListenerThread(null,
getAgentDetailsHolder(details),
new AllowAllRestrictor(),
new LogHandler.StdoutLogHandler(true));
listenerThread.start();
Thread.sleep(500);
return listenerThread;
}
private AgentDetailsHolder getAgentDetailsHolder(final AgentDetails pDetails) {
return new AgentDetailsHolder() {
public AgentDetails getAgentDetails() {
return pDetails;
}
};
}
@Test
public void simple() throws IOException, InterruptedException {
checkForMulticastSupport();
MulticastSocketListenerThread listenerThread = startSocketListener();
try {
DiscoveryOutgoingMessage out =
new DiscoveryOutgoingMessage.Builder(QUERY)
.agentId(UUID.randomUUID().toString())
.build();
List<DiscoveryIncomingMessage> discovered = sendQueryAndCollectAnswers(out, 500, new LogHandler.StdoutLogHandler(true));
int idCount = 0;
int urlCount = 0;
for (DiscoveryIncomingMessage in : discovered) {
AgentDetails agentDetails = in.getAgentDetails();
if (agentDetails.getAgentId().equals(id)) {
idCount++;
}
if (JOLOKIA_URL.equals(in.getAgentDetails().toJSONObject().get("url"))) {
urlCount++;
}
assertFalse(in.isQuery());
JSONObject details = agentDetails.toJSONObject();
if (details.get("server_vendor") != null && details.get("server_vendor").equals("jolokia")) {
assertEquals(details.get("url"), JOLOKIA_URL);
assertEquals(details.get("agent_version"), Version.getAgentVersion());
return;
}
}
assertEquals(idCount,1,"Exactly one in message with the send id should have been received");
assertEquals(urlCount,1,"Only one message with the url should be included");
fail("No message found");
} finally {
listenerThread.shutdown();
}
}
private void checkForMulticastSupport() throws SocketException {
if (!NetworkUtil.isMulticastSupported()) {
throw new SkipException("No multicast supported");
}
}
}