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/*
* @(#)PauseHandler.java 1.27 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.data.handlers.admin;
import java.util.Hashtable;
import java.io.IOException;
import java.net.InetAddress;
import java.util.Vector;
import java.util.HashSet;
import java.util.Set;
import java.util.Iterator;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQConnection;
import com.sun.messaging.jmq.jmsserver.resources.*;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.io.PacketType;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.util.admin.MessageType;
import com.sun.messaging.jmq.util.admin.ConnectionInfo;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.util.ServiceType;
import com.sun.messaging.jmq.util.DestType;
import com.sun.messaging.jmq.jmsserver.core.Destination;
import com.sun.messaging.jmq.util.DestState;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.service.ServiceManager;
import com.sun.messaging.jmq.jmsserver.service.Service;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
public class PauseHandler extends AdminCmdHandler
{
private static boolean DEBUG = getDEBUG();
public PauseHandler(AdminDataHandler parent) {
super(parent);
}
/**
* Handle the incomming administration message.
*
* @param con The Connection the message came in on.
* @param cmd_msg The administration message
* @param cmd_props The properties from the administration message
*/
public boolean handle(IMQConnection con, Packet cmd_msg,
Hashtable cmd_props) {
if ( DEBUG ) {
logger.log(Logger.DEBUG, this.getClass().getName() + ": " +
"Pausing: " + cmd_props);
}
String pauseTarget = (String)cmd_props.get(MessageType.JMQ_PAUSE_TARGET);
String service = (String)cmd_props.get(MessageType.JMQ_SERVICE_NAME);
String destination = (String)cmd_props.get(MessageType.JMQ_DESTINATION);
Integer type = (Integer)cmd_props.get(MessageType.JMQ_DEST_TYPE);
Integer pauseType = (Integer)cmd_props.get(MessageType.JMQ_DEST_STATE);
int status = Status.OK;
String errMsg = null;
assert service == null || destination == null;
/*
* Compatibility with MQ 3.0.1
* If pause target not set, assume that the service is being
* paused.
*/
if (pauseTarget == null) {
pauseTarget = MessageType.JMQ_SERVICE_NAME;
}
try {
if (MessageType.JMQ_SERVICE_NAME.equals(pauseTarget)) {
if (service == null) {
logger.log(Logger.INFO,
BrokerResources.I_PAUSING_ALL_SVCS);
} else {
logger.log(Logger.INFO,
BrokerResources.I_PAUSING_SVC,
service);
}
pauseService(true, service);
} else if (MessageType.JMQ_DESTINATION.equals(pauseTarget)) {
logger.log(Logger.INFO,
BrokerResources.I_PAUSING_DST,
destination);
int pauseval = (pauseType == null ?
DestState.PAUSED : pauseType.intValue());
if (destination == null) {
Iterator itr = Destination.getAllDestinations();
while (itr.hasNext()) {
Destination d =(Destination)itr.next();
/*
* Skip internal, admin, or temp destinations.
* Skipping temp destinations may need to be
* revisited.
*/
if (d.isInternal() || d.isAdmin() || d.isTemporary()) {
continue;
}
d.pauseDestination(pauseval);
}
} else {
Destination d = Destination.getDestination(destination,
DestType.isQueue(type.intValue()));
if (d == null) {
String msg = Globals.getBrokerResources().getString(
BrokerResources.I_PAUSED_DST_NOT_EXIST,
(DestType.isQueue(type.intValue()) ? " queue:" :
" topic:") +destination );
errMsg = msg;
status = Status.NOT_FOUND;
logger.log(Logger.ERROR,msg);
} else {
if (d.isInternal() || d.isAdmin()) {
errMsg = Globals.getBrokerResources().getString(
BrokerResources.I_PAUSED_ADMIN,
(DestType.isQueue(type.intValue()) ? " queue:" :
" topic:") +destination );
logger.log(Logger.INFO, errMsg);
status = Status.ERROR;
} else {
d.pauseDestination(pauseval);
}
}
}
}
} catch (IOException e) {
logger.log(Logger.ERROR, rb.E_PAUSE_SERVICE, service, e);
status = Status.ERROR;
errMsg = rb.getString(rb.E_PAUSE_SERVICE, service) + ": " + e;
} catch (BrokerException e) {
logger.log(Logger.ERROR, rb.E_PAUSE_SERVICE, service, e);
status = Status.ERROR;
errMsg = rb.getString(rb.E_PAUSE_SERVICE, service) + ": " + e;
} catch (IllegalArgumentException e) {
errMsg = e.getMessage();
status = Status.NOT_FOUND;
}
// Send reply
Packet reply = new Packet(con.useDirectBuffers());
reply.setPacketType(PacketType.OBJECT_MESSAGE);
setProperties(reply, MessageType.PAUSE_REPLY, status, errMsg);
parent.sendReply(con, cmd_msg, reply);
return true;
}
/**
* Pause/Resume a service. If service is null we pause/resume all nonADMIN
* services.
*
* @throws IllegalArgumentException If serviceName is not a valid service
* name
* @throws BrokerException If service can't be paused/resumed
*/
public static void pauseService(boolean pause, String serviceName)
throws BrokerException, IllegalArgumentException {
ServiceManager sm = Globals.getServiceManager();
Set activeServices = null;
BrokerResources rb = Globals.getBrokerResources();
if (serviceName != null && sm.getService(serviceName) == null) {
throw new IllegalArgumentException(rb.getString(
rb.X_NO_SUCH_SERVICE, serviceName));
}
if (pause) {
if (serviceName == null) {
sm.pauseAllActiveServices(ServiceType.NORMAL, true);
} else {
sm.pauseService(serviceName, true);
}
} else {
if (serviceName == null) {
sm.resumeAllActiveServices(ServiceType.NORMAL);
} else {
sm.resumeService(serviceName);
}
}
}
}