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/*
* @(#)MessageManagerMonitor.java 1.3 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.management.mbeans;
import java.io.IOException;
import java.io.ByteArrayInputStream;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.Vector;
import java.util.Hashtable;
import java.util.HashMap;
import java.nio.ByteBuffer;
import javax.management.ObjectName;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanNotificationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.MBeanException;
import javax.management.openmbean.CompositeData;
import com.sun.messaging.jmq.io.*;
import com.sun.messaging.jms.management.server.*;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.management.util.ConsumerUtil;
import com.sun.messaging.jmq.jmsserver.core.Destination;
import com.sun.messaging.jmq.jmsserver.core.PacketReference;
import com.sun.messaging.jmq.jmsserver.core.Subscription;
import com.sun.messaging.jmq.jmsserver.core.Consumer;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.util.DestType;
public class MessageManagerMonitor extends MQMBeanReadOnly {
private static MBeanParameterInfo[] getMessageInfoSignature = {
new MBeanParameterInfo("destinationType", String.class.getName(),
mbr.getString(mbr.I_DST_MGR_OP_PARAM_DEST_TYPE)),
new MBeanParameterInfo("destinationName", String.class.getName(),
mbr.getString(mbr.I_DST_MGR_OP_PARAM_DEST_NAME)),
new MBeanParameterInfo("messageID", String.class.getName(),
"Message ID"),
new MBeanParameterInfo("startMsgIndex", Long.class.getName(),
"Start Message Index"),
new MBeanParameterInfo("maxNumMsgsRetrieved", Long.class.getName(),
"Maximum Number of Messages Retrieved"),
new MBeanParameterInfo("getBody", Boolean.class.getName(),
"Get Body")
};
private static MBeanOperationInfo[] ops = {
new MBeanOperationInfo("getMessageInfo",
"Get information on messages from a destination",
getMessageInfoSignature,
Vector.class.getName(),
MBeanOperationInfo.INFO)
};
public MessageManagerMonitor() {
super();
}
public Vector getMessageInfo(String destinationType, String destinationName,
String messageID, Long startMsgIndex,
Long maxNumMsgsRetrieved, Boolean getBody) throws MBeanException {
Vector msgInfo = new Vector();
try {
HashMap destNameType = new HashMap();
if ((destinationName == null) || (destinationType == null)) {
throw new BrokerException("Destination name and type not specified");
}
Destination d = Destination.getDestination(destinationName,
(destinationType.equals(DestinationType.QUEUE)));
if (d == null) {
throw new BrokerException(rb.getString(rb.X_DESTINATION_NOT_FOUND,
destinationName));
}
if (getBody == null) {
getBody = Boolean.FALSE;
}
if (messageID != null) {
d.load();
SysMessageID sysMsgID = SysMessageID.get(messageID);
PacketReference pr = getPacketReference(sysMsgID);
if (pr != null) {
HashMap h = constructMessageInfo(sysMsgID,
getBody.booleanValue(),
destNameType);
msgInfo.add(h);
} else {
throw new BrokerException("Could not locate message "
+ messageID
+ " in destination "
+ destinationName);
}
} else {
SysMessageID sysMsgIDs[] = d.getSysMessageIDs(startMsgIndex, maxNumMsgsRetrieved);
for (int i = 0;i < sysMsgIDs.length; ++i) {
HashMap h = constructMessageInfo(sysMsgIDs[i],
getBody.booleanValue(),
destNameType);
msgInfo.add(h);
}
}
} catch(Exception e) {
handleOperationException("getMessageInfo", e);
}
return (msgInfo);
}
public String getMBeanName() {
return ("MessageManagerMonitor");
}
public String getMBeanDescription() {
return ("Monitoring MBean for Message Manager");
/*
return (mbr.getString(mbr.I_MSG_MGR_MON_DESC));
*/
}
public MBeanAttributeInfo[] getMBeanAttributeInfo() {
return (null);
}
public MBeanOperationInfo[] getMBeanOperationInfo() {
return (ops);
}
public MBeanNotificationInfo[] getMBeanNotificationInfo() {
return (null);
}
private HashMap constructMessageInfo(SysMessageID sysMsgID, boolean getBody,
HashMap destNameType) throws BrokerException {
HashMap h = new HashMap();
PacketReference pr = getPacketReference(sysMsgID);
Packet pkt = pr.getPacket();
HashMap msgHeaders = pr.getHeaders();
Destination d = pr.getDestination();
String corrID = pkt.getCorrelationID(), errMsg;
String destType = DestinationType.QUEUE;
byte b[] = null;
h.put("CorrelationID", corrID);
if (corrID != null) {
try {
b = corrID.getBytes("UTF8");
} catch(Exception e) {
}
}
h.put("CorrelationIDAsBytes", b);
h.put("DeliveryMode", (pkt.getPersistent()) ?
new Integer(javax.jms.DeliveryMode.PERSISTENT) :
new Integer(javax.jms.DeliveryMode.NON_PERSISTENT));
h.put("DestinationName", pkt.getDestination());
if (pkt.getIsQueue()) {
destType = DestinationType.QUEUE;
} else {
destType = DestinationType.TOPIC;
}
h.put("DestinationType", destType);
h.put("Expiration", new Long(pkt.getExpiration()));
h.put("MessageID", msgHeaders.get("JMSMessageID"));
h.put("Priority", new Integer(pkt.getPriority()));
h.put("Redelivered", new Boolean(pkt.getRedelivered()));
/*
* The ReplyTo information in the packet contains
* the destination name and class name (i.e. dest class
* name), which the broker cannot really use.
* We need to query/check if:
* - the destination exists
* - what it's type is
*/
String replyToDestName = pkt.getReplyTo();
if (replyToDestName != null) {
boolean destFound = false, isQueue = true;
if (destNameType != null) {
Boolean isQ = (Boolean)destNameType.get(replyToDestName);
if (isQ != null) {
isQueue = isQ.booleanValue();
destFound = true;
}
}
if (!destFound) {
try {
Destination topic, queue;
queue = Destination.findDestination(replyToDestName, true);
topic = Destination.findDestination(replyToDestName, false);
if ((queue != null) && (topic != null)) {
errMsg = "Cannot determine type of ReplyTo destination."
+ " There is a topic and queue with the name: "
+ replyToDestName;
throw new BrokerException(errMsg);
} else if (queue != null) {
destFound = true;
isQueue = true;
} else if (topic != null) {
destFound = true;
isQueue = false;
}
if (destFound) {
/*
* Cache dest name/type so that we can look it up there
* next time.
*/
destNameType.put(replyToDestName, new Boolean(isQueue));
} else {
/*
* It is possible that this destination no longer exists.
* e.g. Temporary destination, whose connection has gone away.
* Not sure how to proceed at this point.
*/
}
} catch (Exception e) {
errMsg = "Caught exception while determining ReplyTo destination type";
throw new BrokerException(errMsg);
}
}
h.put("ReplyToDestinationName", replyToDestName);
if (destFound) {
if (isQueue) {
destType = DestinationType.QUEUE;
} else {
destType = DestinationType.TOPIC;
}
h.put("ReplyToDestinationType", destType);
}
}
h.put("Timestamp", new Long(pkt.getTimestamp()));
h.put("Type", pkt.getMessageType());
Hashtable msgProps;
try {
msgProps = pr.getProperties();
} catch (Exception e) {
msgProps = null;
}
h.put("MessageProperties", msgProps);
int packetType = pr.getPacket().getPacketType();
h.put("MessageBodyType", new Integer(packetType));
if (getBody) {
ByteBuffer bb = pr.getPacket().getMessageBodyByteBuffer();
byte[] msgBody = null;
if (bb.hasArray()) {
msgBody = bb.array();
}
switch (packetType) {
case PacketType.TEXT_MESSAGE:
try {
String textMsg = new String(msgBody, "UTF8");
h.put("MessageBody", textMsg);
} catch(Exception e) {
errMsg = "Caught exception while creating text message body";
throw new BrokerException(errMsg);
}
break;
case PacketType.BYTES_MESSAGE:
h.put("MessageBody", msgBody);
break;
case PacketType.MAP_MESSAGE:
try {
ByteArrayInputStream byteArrayInputStream =
new ByteArrayInputStream (msgBody);
ObjectInputStream objectInputStream =
new ObjectInputStream(byteArrayInputStream);
HashMap mapMsg = (HashMap)objectInputStream.readObject();
h.put("MessageBody", mapMsg);
} catch(Exception e) {
errMsg = "Caught exception while creating map message body";
throw new BrokerException(errMsg);
}
break;
case PacketType.STREAM_MESSAGE:
h.put("MessageBody", msgBody);
break;
case PacketType.OBJECT_MESSAGE:
try {
ByteArrayInputStream byteArrayInputStream =
new ByteArrayInputStream (msgBody);
ObjectInputStream objectInputStream =
new ObjectInputStream(byteArrayInputStream);
Object objMsg = (Serializable)objectInputStream.readObject();
h.put("MessageBody", objMsg);
} catch(Exception e) {
errMsg = "Caught exception while creating object message body";
throw new BrokerException(errMsg);
}
break;
default:
errMsg = "Unsupported message type for GET_MESSAGES handler: " + packetType;
throw new BrokerException(errMsg);
}
}
return (h);
}
private PacketReference getPacketReference(SysMessageID sysMsgID) {
return (Destination.get(sysMsgID));
}
}