private boolean isDefaultContainer = true;
private static final int REPLACE_RETRY = 1;
+ /* Information about the default subnet. If there have been no configured subnets, i.e.,
+ * subnets.size() == 0 or subnetsConfigList.size() == 0, then this subnet will be the
+ * only subnet returned. As soon as a user-configured subnet is created this one will
+ * vanish.
+ */
+ protected static SubnetConfig DEFAULT_SUBNETCONFIG;
+ protected static Subnet DEFAULT_SUBNET;
+ protected static String DEFAULT_SUBNET_NAME = "default (cannot be modifed)";
+ static{
+ DEFAULT_SUBNETCONFIG = new SubnetConfig(DEFAULT_SUBNET_NAME, "0.0.0.0/0", new ArrayList<String>());
+ DEFAULT_SUBNET = new Subnet(DEFAULT_SUBNETCONFIG);
+ }
+
public void notifySubnetChange(Subnet sub, boolean add) {
synchronized (switchManagerAware) {
for (Object subAware : switchManagerAware) {
@Override
public List<SubnetConfig> getSubnetsConfigList() {
- return new ArrayList<SubnetConfig>(subnetsConfigList.values());
+ // if there are no subnets, return the default subnet
+ if(subnetsConfigList.size() == 0){
+ return Collections.singletonList(DEFAULT_SUBNETCONFIG);
+ }else{
+ return new ArrayList<SubnetConfig>(subnetsConfigList.values());
+ }
}
@Override
public SubnetConfig getSubnetConfig(String subnet) {
- return subnetsConfigList.get(subnet);
+ // if there are no subnets, return the default subnet
+ if(subnetsConfigList.size() == 0 && subnet == DEFAULT_SUBNET_NAME){
+ return DEFAULT_SUBNETCONFIG;
+ }else{
+ return subnetsConfigList.get(subnet);
+ }
}
private List<SpanConfig> getSpanConfigList(Node node) {
@Override
public Subnet getSubnetByNetworkAddress(InetAddress networkAddress) {
+ // if there are no subnets, return the default subnet
+ if (subnets.size() == 0) {
+ return DEFAULT_SUBNET;
+ }
+
Subnet sub;
Set<InetAddress> indices = subnets.keySet();
for (InetAddress i : indices) {