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/*
* @(#)ClusterMessageInfo.java 1.7 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.multibroker.raptor;
import java.io.*;
import java.util.*;
import java.nio.*;
import com.sun.messaging.jmq.io.GPacket;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.core.Consumer;
import com.sun.messaging.jmq.jmsserver.core.ConsumerUID;
import com.sun.messaging.jmq.jmsserver.core.PacketReference;
import com.sun.messaging.jmq.jmsserver.core.BrokerAddress;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.jmsserver.multibroker.Cluster;
import com.sun.messaging.jmq.jmsserver.multibroker.raptor.ProtocolGlobals;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
/**
* An instance of this class is intended to be used one direction only
*/
public class ClusterMessageInfo
{
protected Logger logger = Globals.getLogger();
private PacketReference ref = null;
private ArrayList consumers = null;
private boolean sendMessageDeliveredAck = false;
private Cluster c = null;
private GPacket pkt = null;
private DataInputStream dis = null;
private ClusterMessageInfo(PacketReference ref,
ArrayList consumers,
boolean sendMessageDeliveredAck, Cluster c) {
this.ref = ref;
this.consumers = consumers;
this.sendMessageDeliveredAck = sendMessageDeliveredAck;
this.c = c;
}
private ClusterMessageInfo(GPacket pkt, Cluster c) {
this.pkt = pkt;
this.c = c;
}
/**
* Destination to GPacket
*
* @param d The Destination to be marshaled to GPacket
*/
public static ClusterMessageInfo newInstance(
PacketReference ref,
ArrayList consumers,
boolean sendMessageDeliveredAck,
Cluster c) {
return new ClusterMessageInfo(ref, consumers, sendMessageDeliveredAck, c);
}
/**
* GPacket to Destination
*
* @param pkt The GPacket to be unmarsheled
*/
public static ClusterMessageInfo newInstance(GPacket pkt, Cluster c) {
return new ClusterMessageInfo(pkt, c);
}
public GPacket getGPacket() throws Exception {
assert ( ref != null );
assert ( consumers != null );
GPacket gp = GPacket.getInstance();
gp.setType(ProtocolGlobals.G_MESSAGE_DATA);
gp.putProp("D", Boolean.valueOf(sendMessageDeliveredAck));
gp.putProp("C", new Integer(consumers.size()));
c.marshalBrokerAddress(c.getSelfAddress(), gp);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
Packet roPkt = null;
try {
for (int i = 0; i < consumers.size(); i++) {
ConsumerUID intid = ((Consumer) consumers.get(i)).getConsumerUID();
ClusterConsumerInfo.writeConsumerUID(intid, dos);
}
if (roPkt == null) roPkt = ref.getPacket();
if (roPkt == null) {
throw new BrokerException(Globals.getBrokerResources().getKString(
BrokerResources.X_NULL_PACKET_FROM_REF, ref.toString()));
}
roPkt.generateTimestamp(false);
roPkt.generateSequenceNumber(false);
roPkt.writePacket(dos);
dos.flush();
bos.flush();
} catch (Exception e) {
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.X_EXCEPTION_WRITE_PKT_ON_SEND_MSG_REMOTE, ref.toString(), e.getMessage());
if (e instanceof BrokerException) {
logger.log(Logger.WARNING, emsg);
throw e;
}
logger.logStack(Logger.WARNING, emsg, e);
throw e;
}
byte[] buf = bos.toByteArray();
gp.setPayload(ByteBuffer.wrap(buf));
return gp;
}
public String toString() {
if (consumers == null || ref == null) return super.toString();
StringBuffer buf = new StringBuffer("\n");
if (consumers != null && ref != null) {
for (int i = 0; i < consumers.size(); i++) {
ConsumerUID intid = ((Consumer) consumers.get(i)).getConsumerUID();
buf.append("\t").append(intid).append("\n");
}
}
return buf.toString();
}
public BrokerAddress getHomeBrokerAddress() throws Exception {
assert (pkt != null);
return c.unmarshalBrokerAddress(pkt);
}
public boolean getSendMessageDeliveredAck() {
assert (pkt != null);
return ((Boolean) pkt.getProp("D")).booleanValue();
}
public int getConsumerCount() {
assert (pkt != null);
return ((Integer) pkt.getProp("C")).intValue();
}
/**
* must called in the following order:
*
* initPayloadRead()
* readPayloadConsumerUIDs()
* readPayloadMessage()
*/
public void initPayloadRead() {
assert ( pkt != null );
ByteArrayInputStream bis = new ByteArrayInputStream(pkt.getPayload().array());
dis = new DataInputStream(bis);
}
public Iterator readPayloadConsumerUIDs() {
assert ( pkt != null );
assert ( dis != null );
return new ProtocolConsumerUIDIterator(dis, getConsumerCount());
}
public Packet readPayloadMessage() throws IOException {
assert ( pkt != null );
assert ( dis != null );
Packet roPkt = new Packet(false);
roPkt.generateTimestamp(false);
roPkt.generateSequenceNumber(false);
roPkt.readPacket(dis);
return roPkt;
}
public boolean needReply() {
assert ( pkt != null );
return pkt.getBit(pkt.A_BIT);
}
public GPacket getReplyGPacket(int status) {
assert ( pkt != null );
GPacket gp = GPacket.getInstance();
gp.setType(ProtocolGlobals.G_MESSAGE_DATA_REPLY);
gp.putProp("S", new Integer(status));
// TBD: ADD SysMessageID as property?
return gp;
}
}