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The VMTransport now let's it's peer know when it's being stopped so that the Peer can give its' transport listener a peer disconnected exception. Otherwise a VM transport client could disconnect without the server side knowing it disconnected and the server side would not terminate it's side of the connection. This could be seen as a memory leak on when the static network config is setup and one of the static brokers is not up. 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@593204 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino 2007-11-08 15:39:51 +00:00
parent 5c45b00b1c
commit 2edad74ca9
1 changed files with 18 additions and 3 deletions
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21
activemq-core/src/main/java/org/apache/activemq/transport/vm/VMTransport.java
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@ -43,6 +43,7 @@ import org.apache.activemq.util.IOExceptionSupport;
*/
public class VMTransport implements Transport, Task {
private static final Object DISCONNECT = new Object();
private static final AtomicLong NEXT_ID = new AtomicLong(0);
private static final TaskRunnerFactory TASK_RUNNER_FACTORY = new TaskRunnerFactory("VMTransport", Thread.NORM_PRIORITY, true, 1000);
protected VMTransport peer;
@ -91,7 +92,11 @@ public class VMTransport implements Transport, Task {
peer.getMessageQueue().put(command);
peer.wakeup();
} else {
peer.transportListener.onCommand(command);
if( command == DISCONNECT ) {
peer.transportListener.onException(new TransportDisposedIOException("Peer (" + peer.toString() + ") disposed."));
} else {
peer.transportListener.onCommand(command);
}
}
enqueueValve.decrement();
} else {
@ -137,6 +142,12 @@ public class VMTransport implements Transport, Task {
// If stop() is called while being start()ed.. then we can't stop until we return to the start() method.
if( enqueueValve.isOn() ) {
// let the peer know that we are disconnecting..
try {
oneway(DISCONNECT);
} catch (Exception ignore) {
}
TaskRunner tr = null;
try {
enqueueValve.turnOff();
@ -183,9 +194,13 @@ public class VMTransport implements Transport, Task {
}
LinkedBlockingQueue<Object> mq = getMessageQueue();
Command command = (Command)mq.poll();
Object command = mq.poll();
if (command != null) {
tl.onCommand(command);
if( command == DISCONNECT ) {
tl.onException(new TransportDisposedIOException("Peer (" + peer.toString() + ") disposed."));
} else {
tl.onCommand(command);
}
return !mq.isEmpty();
} else {
return false;