/**
* Returns first vlan in vlanRange that is free in given interface of given router, and it's not
* in given suggestedVLANs. After this call, returned vlan is already included in suggestedVLANs.
*
* @param phyElement
* @param phyIface
* @param suggestedVLANs
* @return
* @return first vlan in vlanRange that is free in given interface of given router, and it's not
* in given suggestedVLANs
* @throws VCPENetworkManagerException if there is no available vlan in specified vlanRange
*/
public static int suggestVLAN(
VCPENetworkElement phyElement, Interface phyIface, SuggestedValues suggestedVLANs)
throws VCPENetworkManagerException {
List<Integer> candidates = getVLANs(phyElement, phyIface);
Integer selectedVlan = null;
for (Integer vlan : candidates) {
if (!suggestedVLANs.isAlreadySuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface), vlan)) {
if (IsFreeChecker.isVLANFree(
null,
phyElement.getName(),
Integer.toString(vlan),
phyIface.getPhysicalInterfaceName())) {
selectedVlan = vlan;
break;
}
}
}
if (selectedVlan == null)
throw new VCPENetworkManagerException(
"Unable to find an available vlan for interface "
+ VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface));
suggestedVLANs.markAsSuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface), selectedVlan);
return selectedVlan;
}
public static int suggestVLANWithPreference(
VCPENetworkElement phyElement,
Interface phyIface,
SuggestedValues suggestedVLANs,
int preferredVlan)
throws VCPENetworkManagerException {
if (!suggestedVLANs.isAlreadySuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface), preferredVlan)) {
if (IsFreeChecker.isVLANFree(
null,
phyElement.getName(),
Integer.toString(preferredVlan),
phyIface.getPhysicalInterfaceName())) {
suggestedVLANs.markAsSuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface),
preferredVlan);
return preferredVlan;
}
}
return suggestVLAN(phyElement, phyIface, suggestedVLANs);
}
private VCPENetworkModel suggestVLANs(
VCPENetworkModel physicalModel, VCPENetworkModel logicalModel) {
Integer vlan;
VCPENetworkElement phyElement;
Interface phyIface;
Interface target;
SuggestedValues suggestedVLANs = new SuggestedValues();
// suggest VLANs for router interfaces
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
phyIface =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY_IFACE_UP1);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_1_IFACE_UP);
vlan =
VLANSuggestor.suggestVLANWithPreference(
phyElement, phyIface, suggestedVLANs, Long.valueOf(target.getVlan()).intValue());
target.setVlan(vlan);
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
phyIface =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY_IFACE_UP2);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_2_IFACE_UP);
vlan =
VLANSuggestor.suggestVLANWithPreference(
phyElement, phyIface, suggestedVLANs, Long.valueOf(target.getVlan()).intValue());
target.setVlan(vlan);
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
phyIface =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY_IFACE_DOWN);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_CLIENT_IFACE_DOWN);
vlan =
VLANSuggestor.suggestVLANWithPreference(
phyElement, phyIface, suggestedVLANs, Long.valueOf(target.getVlan()).intValue());
target.setVlan(vlan);
// update other endpoints of links with same vlans
Link link;
IPNetworkDomain net;
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN1_IFACE_DOWN);
link =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_WAN1);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN1);
// Passing a logical element where a physical one is expected
updateIfaceVLANFromLink(net, target, link, suggestedVLANs);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN2_IFACE_DOWN);
link =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_WAN2);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN2);
// Passing a logical element where a physical one is expected
updateIfaceVLANFromLink(net, target, link, suggestedVLANs);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT_IFACE_UP);
link =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_LAN_CLIENT);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT);
// Passing a logical element where a physical one is expected
updateIfaceVLANFromLink(net, target, link, suggestedVLANs);
return logicalModel;
}
private VCPENetworkModel suggestUnits(
VCPENetworkModel physicalModel, VCPENetworkModel logicalModel) {
VCPENetworkElement phyElement;
IPNetworkDomain net;
Interface target;
Integer unit;
SuggestedValues suggestedUnits = new SuggestedValues();
// Suggest units from vlans
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_1_IFACE_UP);
unit = UnitSuggestor.suggestUnitFromVLAN(phyElement, target, suggestedUnits);
target.setPort(unit);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_2_IFACE_UP);
unit = UnitSuggestor.suggestUnitFromVLAN(phyElement, target, suggestedUnits);
target.setPort(unit);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_CLIENT_IFACE_DOWN);
unit = UnitSuggestor.suggestUnitFromVLAN(phyElement, target, suggestedUnits);
target.setPort(unit);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN1);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN1_IFACE_DOWN);
unit = UnitSuggestor.suggestUnitFromVLAN(net, target, suggestedUnits);
target.setPort(unit);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN2);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN2_IFACE_DOWN);
unit = UnitSuggestor.suggestUnitFromVLAN(net, target, suggestedUnits);
target.setPort(unit);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT_IFACE_UP);
unit = UnitSuggestor.suggestUnitFromVLAN(net, target, suggestedUnits);
target.setPort(unit);
// Suggest units for LTs
Link lt1 =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_LR_1_LR_CLIENT);
Link lt2 =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_LR_2_LR_CLIENT);
lt1.getSource().setPort(UnitSuggestor.suggestUnit(phyElement, lt1.getSource(), suggestedUnits));
lt1.getSink().setPort(UnitSuggestor.suggestUnit(phyElement, lt1.getSink(), suggestedUnits));
lt2.getSource().setPort(UnitSuggestor.suggestUnit(phyElement, lt2.getSource(), suggestedUnits));
lt2.getSink().setPort(UnitSuggestor.suggestUnit(phyElement, lt2.getSink(), suggestedUnits));
// Suggest units for LOs
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_1_IFACE_LO);
target.setPort(UnitSuggestor.suggestUnit(phyElement, target, suggestedUnits));
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_2_IFACE_LO);
target.setPort(UnitSuggestor.suggestUnit(phyElement, target, suggestedUnits));
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_CLIENT_IFACE_LO);
target.setPort(UnitSuggestor.suggestUnit(phyElement, target, suggestedUnits));
return logicalModel;
}
