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applied patch from John Heitmann for AMQ-932 - many thanks! 

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@449654 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
James Strachan 2006-09-25 11:26:53 +00:00
parent ef5fd15b84
commit 4b595ea6dc
2 changed files with 128 additions and 70 deletions
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166
activemq-core/src/main/java/org/apache/activemq/broker/TransportConnection.java
View File

@ -17,8 +17,6 @@
*/
package org.apache.activemq.broker;
import java.io.IOException;
import org.apache.activemq.broker.ft.MasterBroker;
import org.apache.activemq.command.BrokerInfo;
import org.apache.activemq.command.Command;
@ -30,8 +28,9 @@ import org.apache.activemq.transport.Transport;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.IOException;
/**
*
* @version $Revision: 1.8 $
*/
public class TransportConnection extends AbstractConnection {
@ -43,7 +42,9 @@ public class TransportConnection extends AbstractConnection {
private boolean blocked;
private boolean connected;
private boolean active;
private long timeStamp=0;
private boolean starting;
private boolean pendingStop;
private long timeStamp = 0;
private MasterBroker masterBroker; //used if this connection is used by a Slave
/**
@ -59,10 +60,11 @@ public class TransportConnection extends AbstractConnection {
this.transport.setTransportListener(new DefaultTransportListener() {
public void onCommand(Command command) {
Response response = service(command);
if( response!=null ) {
if (response != null) {
dispatch(response);
}
}
public void onException(IOException exception) {
serviceTransportException(exception);
}
@ -70,26 +72,48 @@ public class TransportConnection extends AbstractConnection {
connected = true;
}
public void start() throws Exception {
public synchronized void start() throws Exception {
starting = true;
try {
transport.start();
active = true;
super.start();
connector.onStarted(this);
}
finally {
// stop() can be called from within the above block,
// but we want to be sure start() completes before
// stop() runs, so queue the stop until right now:
starting = false;
if (pendingStop) {
log.debug("Calling the delayed stop()");
stop();
}
}
}
public synchronized void stop() throws Exception {
// If we're in the middle of starting
// then go no further... for now.
pendingStop = true;
if (starting) {
log.debug("stop() called in the middle of start(). Delaying...");
return;
}
public void stop() throws Exception {
connector.onStopped(this);
try {
if (masterBroker != null){
if (masterBroker != null) {
masterBroker.stop();
}
// If the transport has not failed yet,
// notify the peer that we are doing a normal shutdown.
if( transportException == null ) {
if (transportException == null) {
transport.oneway(new ShutdownInfo());
}
} catch (Exception ignore) {
}
catch (Exception ignore) {
//ignore.printStackTrace();
}
@ -102,121 +126,151 @@ public class TransportConnection extends AbstractConnection {
/**
* @return Returns the blockedCandidate.
*/
public boolean isBlockedCandidate(){
public boolean isBlockedCandidate() {
return blockedCandidate;
}
/**
* @param blockedCandidate
* The blockedCandidate to set.
* @param blockedCandidate The blockedCandidate to set.
*/
public void setBlockedCandidate(boolean blockedCandidate){
this.blockedCandidate=blockedCandidate;
public void setBlockedCandidate(boolean blockedCandidate) {
this.blockedCandidate = blockedCandidate;
}
/**
* @return Returns the markedCandidate.
*/
public boolean isMarkedCandidate(){
public boolean isMarkedCandidate() {
return markedCandidate;
}
/**
* @param markedCandidate
* The markedCandidate to set.
* @param markedCandidate The markedCandidate to set.
*/
public void setMarkedCandidate(boolean markedCandidate){
this.markedCandidate=markedCandidate;
if(!markedCandidate){
timeStamp=0;
blockedCandidate=false;
public void setMarkedCandidate(boolean markedCandidate) {
this.markedCandidate = markedCandidate;
if (!markedCandidate) {
timeStamp = 0;
blockedCandidate = false;
}
}
/**
* @param slow
* The slow to set.
* @param slow The slow to set.
*/
public void setSlow(boolean slow){
this.slow=slow;
public void setSlow(boolean slow) {
this.slow = slow;
}
/**
* @return true if the Connection is slow
*/
public boolean isSlow(){
public boolean isSlow() {
return slow;
}
/**
* @return true if the Connection is potentially blocked
*/
public boolean isMarkedBlockedCandidate(){
public boolean isMarkedBlockedCandidate() {
return markedCandidate;
}
/**
* Mark the Connection, so we can deem if it's collectable on the next sweep
*/
public void doMark(){
if(timeStamp==0){
timeStamp=System.currentTimeMillis();
public void doMark() {
if (timeStamp == 0) {
timeStamp = System.currentTimeMillis();
}
}
/**
* @return if after being marked, the Connection is still writing
*/
public boolean isBlocked(){
public boolean isBlocked() {
return blocked;
}
/**
* @return true if the Connection is connected
*/
public boolean isConnected(){
public boolean isConnected() {
return connected;
}
/**
* @param blocked
* The blocked to set.
* @param blocked The blocked to set.
*/
public void setBlocked(boolean blocked){
this.blocked=blocked;
public void setBlocked(boolean blocked) {
this.blocked = blocked;
}
/**
* @param connected
* The connected to set.
* @param connected The connected to set.
*/
public void setConnected(boolean connected){
this.connected=connected;
public void setConnected(boolean connected) {
this.connected = connected;
}
/**
* @return true if the Connection is active
*/
public boolean isActive(){
public boolean isActive() {
return active;
}
/**
* @param active
* The active to set.
* @param active The active to set.
*/
public void setActive(boolean active){
this.active=active;
public void setActive(boolean active) {
this.active = active;
}
public Response processBrokerInfo(BrokerInfo info){
if(info.isSlaveBroker()){
/**
* @return true if the Connection is starting
*/
public synchronized boolean isStarting() {
return starting;
}
synchronized protected void setStarting(boolean starting) {
this.starting = starting;
}
/**
* @return true if the Connection needs to stop
*/
public synchronized boolean isPendingStop() {
return pendingStop;
}
protected synchronized void setPendingStop(boolean pendingStop) {
this.pendingStop = pendingStop;
}
public Response processBrokerInfo(BrokerInfo info) {
if (info.isSlaveBroker()) {
//stream messages from this broker (the master) to
//the slave
MutableBrokerFilter parent=(MutableBrokerFilter) broker.getAdaptor(MutableBrokerFilter.class);
masterBroker=new MasterBroker(parent,transport);
MutableBrokerFilter parent = (MutableBrokerFilter) broker.getAdaptor(MutableBrokerFilter.class);
masterBroker = new MasterBroker(parent, transport);
masterBroker.startProcessing();
log.info("Slave Broker "+info.getBrokerName()+" is attached");
log.info("Slave Broker " + info.getBrokerName() + " is attached");
}
return super.processBrokerInfo(info);
}
protected void dispatch(Command command){
try{
protected void dispatch(Command command) {
try {
setMarkedCandidate(true);
transport.oneway(command);
getStatistics().onCommand(command);
}catch(IOException e){
}
catch (IOException e) {
serviceException(e);
}finally{
}
finally {
setMarkedCandidate(false);
}
}

6
activemq-core/src/main/java/org/apache/activemq/broker/jmx/ManagedTransportConnection.java
View File

@ -58,7 +58,11 @@ public class ManagedTransportConnection extends TransportConnection {
setConnectionId(connectionId);
}
public void stop() throws Exception {
public synchronized void stop() throws Exception {
if (isStarting()) {
setPendingStop(true);
return;
}
unregisterMBean();
super.stop();
}