@Override
public void updateControllerConnections(OFBsnControllerConnectionsReply controllerCxnsReply) {
// Instantiate clean map, can't use a builder here since we need to call temp.get()
Map<URI, Map<OFAuxId, OFBsnControllerConnection>> temp =
new ConcurrentHashMap<URI, Map<OFAuxId, OFBsnControllerConnection>>();
List<OFBsnControllerConnection> controllerCxnUpdates = controllerCxnsReply.getConnections();
for (OFBsnControllerConnection update : controllerCxnUpdates) {
URI uri = URI.create(update.getUri());
Map<OFAuxId, OFBsnControllerConnection> cxns = temp.get(uri);
// Add to nested map
if (cxns != null) {
cxns.put(update.getAuxiliaryId(), update);
} else {
cxns = new ConcurrentHashMap<OFAuxId, OFBsnControllerConnection>();
cxns.put(update.getAuxiliaryId(), update);
temp.put(uri, cxns);
}
}
this.controllerConnections =
ImmutableMap.<URI, Map<OFAuxId, OFBsnControllerConnection>>copyOf(temp);
}
@Override
public boolean hasAnotherMaster() {
// TODO: refactor get connection to not throw illegal arg exceptions
IOFConnection mainCxn = this.getConnection(OFAuxId.MAIN);
if (mainCxn != null) {
// Determine the local URI
InetSocketAddress address = (InetSocketAddress) mainCxn.getLocalInetAddress();
URI localURI = URIUtil.createURI(address.getHostName(), address.getPort());
for (Entry<URI, Map<OFAuxId, OFBsnControllerConnection>> entry :
this.controllerConnections.entrySet()) {
// Don't check our own controller connections
URI uri = entry.getKey();
if (!localURI.equals(uri)) {
// We only care for the MAIN connection
Map<OFAuxId, OFBsnControllerConnection> cxns = this.controllerConnections.get(uri);
OFBsnControllerConnection controllerCxn = cxns.get(OFAuxId.MAIN);
if (controllerCxn != null) {
// If the controller id disconnected or not master we know it is not connected
if (controllerCxn.getState()
== OFBsnControllerConnectionState.BSN_CONTROLLER_CONNECTION_STATE_CONNECTED
&& controllerCxn.getRole() == OFControllerRole.ROLE_MASTER) {
return true;
}
} else {
log.warn(
"Unable to find controller connection with aux id "
+ "MAIN for switch {} on controller with URI {}.",
this,
uri);
}
}
}
}
return false;
}
