public void deliverToApplication(RouteMessage msg) {
PastryAppl appl = dispatch.getDestinationByAddress(msg.getAuxAddress());
if (appl == null) {
if (msg.sendFailed(new AppNotRegisteredException(msg.getAuxAddress()))) {
if (logger.level <= Logger.CONFIG)
logger.log(
"Dropping message "
+ msg
+ " because the application address "
+ msg.getAuxAddress()
+ " is unknown.");
} else {
if (logger.level <= Logger.WARNING)
logger.log(
"Dropping message "
+ msg
+ " because the application address "
+ msg.getAuxAddress()
+ " is unknown.");
}
return;
}
appl.receiveMessage(msg);
// thePastryNode.receiveMessage(msg);
}
/**
* Dispatches a message to the appropriate receiver.
*
* <p>It will buffer the message under the following conditions: 1) The MessageReceiver is not yet
* registered. 2) The MessageReceiver is a PastryAppl, and localNode.isReady() == false
*
* @param msg the message.
* @return true if message could be dispatched, false otherwise.
*/
public boolean dispatchMessage(Message msg) {
if (msg.getDestination() == 0) {
Logger logger =
localNode.getEnvironment().getLogManager().getLogger(MessageDispatch.class, null);
if (logger.level <= Logger.WARNING)
logger.logException(
"Message " + msg + "," + msg.getClass().getName() + " has no destination.",
new Exception("Stack Trace"));
return false;
}
// NOTE: There is no safety issue with calling localNode.isReady() because this is on the
// PastryThread, and the only way to set a node ready is also on the ready thread.
PastryAppl mr = (PastryAppl) addressBook.get(Integer.valueOf(msg.getDestination()));
if (mr == null) {
if ((logger.level <= Logger.FINE) || (localNode.isReady() && (logger.level <= Logger.INFO))) {
logger.log(
"Dropping message "
+ msg
+ " because the application address "
+ msg.getDestination()
+ " is unknown.");
}
return false;
} else {
mr.receiveMessage(msg);
return true;
}
}
public void destroy() {
Iterator<PastryAppl> i = addressBook.values().iterator();
while (i.hasNext()) {
PastryAppl mr = i.next();
if (logger.level <= Logger.INFO) logger.log("Destroying " + mr);
mr.destroy();
}
addressBook.clear();
}
/**
* Registers a receiver with the mail service.
*
* @param name a name for a receiver.
* @param receiver the receiver.
*/
public void registerReceiver(int address, PastryAppl receiver) {
// the stack trace is to figure out who registered for what, it is not an error
if (logger.level <= Logger.FINE)
logger.log("Registering " + receiver + " for address " + address);
if (logger.level <= Logger.FINEST)
logger.logException(
"Registering receiver for address " + address, new Exception("stack trace"));
if (addressBook.get(Integer.valueOf(address)) != null) {
throw new IllegalArgumentException(
"Registering receiver for already-registered address " + address);
// if (logger.level <= Logger.SEVERE) logger.logException(
// "ERROR - Registering receiver for already-registered address " + address, new
// Exception("stack trace"));
}
deserializer.setDeserializer(address, receiver.getDeserializer());
addressBook.put(Integer.valueOf(address), receiver);
}