/**
* Return the buffer size of a given channel (i.e, a given port and a given channel number). The
* default value is 1. If the port is an output port, then the buffer size is obtained from the
* inside receiver. If it is an input port, then it is obtained from the specified port.
*
* @param port The given port.
* @param channelNumber The given channel number.
* @return The buffer size of the given channel.
* @exception IllegalActionException If the channel number is out of range or if the port is
* neither an input nor an output.
*/
public int getBufferSize(IOPort port, int channelNumber) throws IllegalActionException {
Receiver[][] receivers = null;
if (port.isInput()) {
receivers = port.getReceivers();
} else if (port.isOutput()) {
receivers = port.getInsideReceivers();
}
// else {
// throw new IllegalActionException(port,
// "Port is neither an input nor an output.");
// }
// try {
int size = 0;
for (int copy = 0; copy < receivers[channelNumber].length; copy++) {
int copySize = ((SDFReceiver) receivers[channelNumber][copy]).getCapacity();
if (copySize > size) {
size = copySize;
}
// When an output port of a composite actor is directly
// connected to an input port of the same composite actor,
// calling getCapacity() will return 0. Therefore we use
// the rate to determine the buffer size.
if (port.isOutput()) {
copySize = DFUtilities.getRate(port);
if (copySize > size) {
size = copySize;
}
}
}
return size;
// }
// catch (ArrayIndexOutOfBoundsException ex) {
// throw new IllegalActionException(port, "Channel out of bounds: "
// + channelNumber);
// }
}
/**
* Interconnect all the remote actors in the same manner as the model's topology. In other words,
* the connections defined by the model's topology are created virtually over the distributed
* platform. For each actor, a portReceiverMap is created. A portReceiverMap is a data structure
* representing for a given port the receivers it contains. In case the port is and input port it
* consists of a set of receivers ID's i.e. (inputport, (ID1, ..., IDn). In case of an outputport,
* it contains a map of services to receiver's IDs, i.e. (outputport, ((service1, (ID1, ..., IDi),
* ..., (servicen, (IDj, ..., IDr))). This structure is sent over the network to the corresponding
* service. The types of the port are also set on the remote actor.
*
* @exception IllegalActionException If the remote receivers can't be created.
*/
private void connectActors() throws IllegalActionException {
if (VERBOSE) {
System.out.println("Connecting Actors");
System.out.println(">> Creating Ports Receivers Map: ");
}
for (Iterator keysIterator = actorsThreadsMap.keySet().iterator(); keysIterator.hasNext(); ) {
ComponentEntity actor = (ComponentEntity) keysIterator.next();
HashMap portsReceiversMap = new HashMap();
HashMap portTypes = new HashMap();
Iterator allPorts = actor.portList().iterator();
while (allPorts.hasNext()) {
IOPort currentPort = (IOPort) allPorts.next();
Receiver[][] receivers = new Receiver[0][0];
if (currentPort.isOutput()) {
receivers = currentPort.getRemoteReceivers();
}
if (currentPort.isInput()) {
receivers = currentPort.getReceivers();
}
if (!currentPort.connectedPortList().isEmpty()) {
portTypes.put(currentPort.getName(), ((TypedIOPort) currentPort).getType());
}
if (receivers.length > 0) {
if (VERBOSE) {
System.out.print(
"Port: "
+ currentPort.getFullName()
+ "\n"
+ DistributedUtilities.receiversArrayToString(receivers));
}
if (currentPort.isOutput()) {
portsReceiversMap.put(currentPort.getName(), createServicesReceiversMap(receivers));
}
if (currentPort.isInput()) {
portsReceiversMap.put(
currentPort.getName(), DistributedUtilities.convertReceiversToIntegers(receivers));
}
}
}
ServiceItem server = ((ClientThread) actorsThreadsMap.get(actor)).getService();
DistributedActor distributedActor = (DistributedActor) server.service;
try {
if (VERBOSE) {
System.out.println(
"Setting connections to: "
+ actor.getFullName()
+ " in: "
+ server.serviceID.toString());
System.out.println(
"Setting port Types: " + actor.getFullName() + " in: " + server.serviceID.toString());
}
distributedActor.setConnections(portsReceiversMap);
distributedActor.setPortTypes(portTypes);
} catch (RemoteException e) {
KernelException.stackTraceToString(e);
}
}
}