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/*
* @(#)GetTransactionsHandler.java 1.15 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.data.handlers.admin;
import java.util.Hashtable;
import java.io.IOException;
import java.io.*;
import java.util.Vector;
import java.util.List;
import java.util.Enumeration;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQConnection;
import com.sun.messaging.jmq.io.*;
import com.sun.messaging.jmq.jmsserver.data.TransactionUID;
import com.sun.messaging.jmq.jmsserver.data.TransactionState;
import com.sun.messaging.jmq.jmsserver.data.TransactionList;
import com.sun.messaging.jmq.jmsserver.data.TransactionBroker;
import com.sun.messaging.jmq.jmsserver.service.ConnectionUID;
import com.sun.messaging.jmq.util.JMQXid;
import com.sun.messaging.jmq.util.admin.MessageType;
import com.sun.messaging.jmq.util.admin.ServiceInfo;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.jmsserver.core.BrokerAddress;
import com.sun.messaging.jmq.jmsserver.util.*;
import com.sun.messaging.jmq.jmsserver.Globals;
public class GetTransactionsHandler extends AdminCmdHandler
{
private static boolean DEBUG = getDEBUG();
/*
* Transaction types
*/
private static int LOCAL = 0;
private static int CLUSTER = 1;
private static int REMOTE = 2;
private static int UNKNOWN = -1;
TransactionList tl = null;
public GetTransactionsHandler(AdminDataHandler parent) {
super(parent);
tl = parent.tl;
}
public static Hashtable getTransactionInfo(TransactionList tl,
TransactionUID id,
int type) {
Logger logger = Globals.getLogger();
TransactionState ts = tl.retrieveState(id);
if (type == LOCAL) {
ts = tl.retrieveState(id, true);
} else if (type == CLUSTER) {
ts = tl.retrieveState(id, true);
} else if (type == REMOTE) {
ts = tl.getRemoteTransactionState(id);
}
if (ts == null) return null;
JMQXid xid = tl.UIDToXid(id);
Hashtable table = new Hashtable();
table.put("type", new Integer(type));
if (xid != null) {
table.put("xid", xid.toString());
}
table.put("txnid", new Long(id.longValue()));
if (ts.getUser() != null)
table.put("user", ts.getUser());
if (ts.getClientID() != null) {
table.put("clientid", ts.getClientID());
}
table.put("timestamp",
new Long(System.currentTimeMillis() - id.age()));
table.put("connection", ts.getConnectionString());
table.put("nmsgs", new Integer(tl.retrieveNSentMessages(id)));
if (type != REMOTE) {
table.put("nacks", new Integer(tl.retrieveNConsumedMessages(id)));
} else {
table.put("nacks", new Integer(tl.retrieveNRemoteConsumedMessages(id)));
}
table.put("state", new Integer(ts.getState()));
ConnectionUID cuid = ts.getConnectionUID();
if (cuid != null) {
table.put("connectionid", new Long(cuid.longValue()));
}
TransactionBroker homeBroker = tl.getRemoteTransactionHomeBroker(id);
String homeBrokerStr = "";
if (homeBroker != null) {
homeBrokerStr = homeBroker.getBrokerAddress().toString();
}
table.put("homebroker", homeBrokerStr);
TransactionBroker brokers[] = null;
if (type != REMOTE) {
try {
brokers = tl.getClusterTransactionBrokers(id);
} catch (BrokerException be) {
logger.log(Logger.WARNING,
"Exception caught while obtaining list of brokers in transaction", be);
}
}
String allBrokers = "", pendingBrokers = "";
if (brokers != null) {
for (int i = 0; i < brokers.length; ++i) {
TransactionBroker oneBroker = brokers[i];
BrokerAddress addr = oneBroker.getBrokerAddress();
if (allBrokers.length() != 0) {
allBrokers += ", ";
}
allBrokers += addr.toString();
if (oneBroker.isCompleted()) {
continue;
}
if (pendingBrokers.length() != 0) {
pendingBrokers += ", ";
}
pendingBrokers += addr.toString();
}
}
table.put("allbrokers", allBrokers);
table.put("pendingbrokers", pendingBrokers);
return table;
}
/**
* 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() + ": " +
"Getting transactions " + cmd_props);
}
int status = Status.OK;
String errMsg = null;
TransactionUID tid = null;
Long id = (Long)cmd_props.get(MessageType.JMQ_TRANSACTION_ID);
if (id != null) {
tid = new TransactionUID(id.longValue());
}
Hashtable table = null;
Vector v = new Vector();
if (tid != null) {
// Get info for one transaction
int type = UNKNOWN;
if (tl.isRemoteTransaction(tid)) {
type = REMOTE;
} else if (tl.isClusterTransaction(tid)) {
type = CLUSTER;
} else if (tl.isLocalTransaction(tid)) {
type = LOCAL;
}
table = getTransactionInfo(tl, tid, type);
if (table != null) {
v.add(table);
}
} else {
// Get info for all transactions (-1 means get transactions
// no matter what the state).
/*
* Get list of local transactions
*/
TransactionUID ttid = null;
Vector transactions = tl.getTransactions(-1);
if (transactions != null) {
Enumeration e = transactions.elements();
while (e.hasMoreElements()) {
ttid = (TransactionUID)e.nextElement();
table = getTransactionInfo(tl, ttid, LOCAL);
if (table != null) {
v.add(table);
}
}
}
/*
* Get list of cluster transactions
*/
transactions = tl.getClusterTransactions(-1);
if (transactions != null) {
Enumeration e = transactions.elements();
while (e.hasMoreElements()) {
ttid = (TransactionUID)e.nextElement();
table = getTransactionInfo(tl, ttid, CLUSTER);
if (table != null) {
v.add(table);
}
}
}
/*
* Get list of remote transactions
*/
transactions = tl.getRemoteTransactions(-1);
if (transactions != null) {
Enumeration e = transactions.elements();
while (e.hasMoreElements()) {
ttid = (TransactionUID)e.nextElement();
table = getTransactionInfo(tl, ttid, REMOTE);
if (table != null) {
v.add(table);
}
}
}
}
if (tid != null && v.size() == 0) {
// Specified transaction did not exist
status = Status.NOT_FOUND;
errMsg = rb.getString(rb.E_NO_SUCH_TRANSACTION, tid);
}
// Write reply
Packet reply = new Packet(con.useDirectBuffers());
reply.setPacketType(PacketType.OBJECT_MESSAGE);
setProperties(reply, MessageType.GET_TRANSACTIONS_REPLY, status, errMsg);
// Add JMQQuantity property
try {
reply.getProperties().put(MessageType.JMQ_QUANTITY,
new Integer(v.size()));
} catch (IOException e) {
// Programming error. No need to I18N
logger.log(Logger.WARNING, rb.E_INTERNAL_BROKER_ERROR,
"Admin: GetTransactions: Could not extract properties from pkt",
e);
} catch (ClassNotFoundException e) {
// Programming error. No need to I18N
logger.log(Logger.WARNING, rb.E_INTERNAL_BROKER_ERROR,
"Admin: GetTransactions: Could not extract properties from pkt",
e);
}
// Always set the body even if vector is empty
setBodyObject(reply, v);
parent.sendReply(con, cmd_msg, reply);
return true;
}
}