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package com.sun.messaging.ums.readonly.impl;
import com.sun.messaging.ums.readonly.DefaultReadOnlyService;
import com.sun.messaging.ums.readonly.ReadOnlyMessageFactory;
import com.sun.messaging.ums.readonly.ReadOnlyRequestMessage;
import com.sun.messaging.ums.readonly.ReadOnlyResponseMessage;
import com.sun.messaging.ums.readonly.ReadOnlyService;
import com.sun.messaging.ums.service.UMSServiceException;
import com.sun.messaging.ums.service.UMSServiceImpl;
import java.util.Map;
import java.util.Properties;
/**
*
* @author chiaming
*/
public class ping implements ReadOnlyService {
private Properties initParams = null;
private static long seq = 0;
/**
* initialize with the servlet init params.
* @param props
*/
public void init(Properties initParams) {
this.initParams = initParams;
}
public ReadOnlyResponseMessage request (ReadOnlyRequestMessage request) {
try {
String respMsg = null;
Map map = request.getMessageProperties();
String destName = "PING_"+ nextSequence() + "_" + System.currentTimeMillis();
String msg = destName;
UMSServiceImpl service = (UMSServiceImpl) this.initParams.get(DefaultReadOnlyService.JMSSERVICE);
long start = System.currentTimeMillis();
service.sendText(null, false, destName, msg, map);
String msg2 = service.receiveText(null, destName, false, 30000, map);
long end = System.currentTimeMillis();
if (msg2 != null) {
respMsg = "Broker is alive, round trip = " + (end - start) + " milli secs.";
} else {
respMsg = "Broker is not responding for more than 30 seconds.";
}
ReadOnlyResponseMessage response = ReadOnlyMessageFactory.createResponseMessage();
response.setResponseMessage(respMsg);
return response;
} catch (Exception e) {
UMSServiceException umse = new UMSServiceException(e);
throw umse;
}
}
private static synchronized long nextSequence() {
return ++seq;
}
}