protected void advanceInitializers(IOFSwitchExt sw) {
CopyOnWriteArrayList<IOFInitializerListener> initializers = initializerMap.get(sw);
// Remove first initializer if it exists
Iterator<IOFInitializerListener> it = initializers.iterator();
if (it.hasNext()) {
IOFInitializerListener initializer = it.next();
initializers.remove(initializer);
log.debug("Remaining initializers for switch {}: {}", sw, initializers);
}
if (it.hasNext()) {
IOFInitializerListener initializer = it.next();
queueInitializer(sw, initializer);
} else {
/**
* Must synchronize here to ensure we don't transition into active while simultaneously being
* disconnected.
*/
synchronized (sw) {
if (!OFSwitchState.DISCONNECTED.equals(sw.getState())) {
sw.transitionToState(OFSwitchState.ACTIVE);
// Add switch to active list
addActiveSwitch(sw);
}
initializerMap.remove(sw);
}
}
}
/** Disconnect the switch from Beacon */
protected void disconnectSwitch(SelectionKey key, IOFSwitchExt sw) {
/**
* Must synchronize here to ensure we don't transition into active while simultaneously being
* disconnected.
*/
synchronized (sw) {
key.cancel();
OFStream stream = (OFStream) sw.getInputStream();
stream.getIOLoop().removeStream(stream);
removeSwitch(sw);
try {
sw.getSocketChannel().socket().close();
} catch (IOException e1) {
}
this.initializerMap.remove(sw);
if (!OFSwitchState.DISCONNECTED.equals(sw.getState())) {
sw.transitionToState(OFSwitchState.DISCONNECTED);
}
log.info("Switch disconnected {}", sw);
}
}