cloudstack/server/src/com/cloud/cluster/ClusterServiceServletAdapte...

117 lines
3.8 KiB
Java

package com.cloud.cluster;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.rmi.RemoteException;
import java.util.Map;
import java.util.Properties;
import javax.ejb.Local;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.cluster.dao.ManagementServerHostDao;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.PropertiesUtil;
import com.cloud.utils.component.ComponentLocator;
@Local(value={ClusterServiceAdapter.class})
public class ClusterServiceServletAdapter implements ClusterServiceAdapter {
private static final Logger s_logger = Logger.getLogger(ClusterServiceServletAdapter.class);
private static final int DEFAULT_SERVICE_PORT = 9090;
private ClusterManager manager;
private ManagementServerHostDao _mshostDao;
private ClusterServiceServletContainer _servletContainer;
private String _name;
private int _clusterServicePort = DEFAULT_SERVICE_PORT;
@Override
public ClusterService getPeerService(String strPeer) throws RemoteException {
String serviceUrl = getServiceEndpointName(strPeer);
if(serviceUrl == null)
return null;
return new ClusterServiceServletImpl(serviceUrl);
}
@Override
public String getServiceEndpointName(String strPeer) {
long msid = Long.parseLong(strPeer);
ManagementServerHostVO mshost = _mshostDao.findByMsid(msid);
if(mshost == null)
return null;
return composeEndpointName(mshost.getServiceIP(), mshost.getServicePort());
}
@Override
public int getServicePort() {
return _clusterServicePort;
}
private String composeEndpointName(String nodeIP, int port) {
StringBuffer sb = new StringBuffer();
sb.append("http://").append(nodeIP).append(":").append(port).append("/clusterservice");
return sb.toString();
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
_name = name;
ComponentLocator locator = ComponentLocator.getCurrentLocator();
manager = locator.getManager(ClusterManager.class);
if(manager == null)
throw new ConfigurationException("Unable to get " + ClusterManager.class.getName());
_mshostDao = locator.getDao(ManagementServerHostDao.class);
if(_mshostDao == null)
throw new ConfigurationException("Unable to get " + ManagementServerHostDao.class.getName());
File dbPropsFile = PropertiesUtil.findConfigFile("db.properties");
Properties dbProps = new Properties();
try {
dbProps.load(new FileInputStream(dbPropsFile));
} catch (FileNotFoundException e) {
throw new ConfigurationException("Unable to find db.properties");
} catch (IOException e) {
throw new ConfigurationException("Unable to load db.properties content");
}
_clusterServicePort = NumbersUtil.parseInt(dbProps.getProperty("cluster.servlet.port"), DEFAULT_SERVICE_PORT);
if(s_logger.isInfoEnabled())
s_logger.info("Cluster servlet port : " + _clusterServicePort);
return true;
}
@Override
public String getName() {
return _name;
}
@Override
public boolean start() {
_servletContainer = new ClusterServiceServletContainer();
_servletContainer.start(new ClusterServiceServletHttpHandler(manager), _clusterServicePort);
return true;
}
@Override
public boolean stop() {
if(_servletContainer != null)
_servletContainer.stop();
return true;
}
}