use of org.opendaylight.netvirt.cloudservicechain.jobs.AddVpnPseudoPortDataJob in project netvirt by opendaylight.
the class VPNServiceChainHandler method programVpnToScfPipeline.
/**
* Programs the necessary flows in LFIB and LPortDispatcher table so that
* the packets coming from a given VPN are delivered to a given
* ServiceChain Pipeline.
*
* @param vpnName Name of the VPN. Typically the UUID
* @param tableId Table to which the LPortDispatcher table sends the packet
* to (Uplink or Downlink Subsc table)
* @param scfTag Scf tag to the SCF to which the Vpn is linked to.
* @param lportTag VpnPseudo Port lportTag
* @param addOrRemove States if the VPN2SCF Pipeline must be installed or
* removed
*/
public void programVpnToScfPipeline(String vpnName, short tableId, long scfTag, int lportTag, int addOrRemove) {
// This entries must be created in the DPN where the CGNAT is installed. Since it is not possible
// to know where CGNAT is located, this entries are installed in all the VPN footprint.
// LFIB:
// - Match: cgnatLabel Instr: lportTag=vpnPseudoPortTag + SI=SCF + GOTO 17
// LportDisp:
// - Match: vpnPseudoPortTag + SI==SCF Instr: scfTag + GOTO 70
LOG.info("programVpnToScfPipeline ({}) : Parameters VpnName:{} tableId:{} scftag:{} lportTag:{}", addOrRemove == NwConstants.ADD_FLOW ? "Creation" : "Removal", vpnName, tableId, scfTag, lportTag);
String rd = VpnServiceChainUtils.getVpnRd(dataBroker, vpnName);
LOG.debug("Router distinguisher (rd):{}", rd);
if (rd == null || rd.isEmpty()) {
LOG.warn("programVpnToScfPipeline: Could not find Router-distinguisher for VPN {}. No further actions", vpnName);
return;
}
VpnInstanceOpDataEntry vpnInstance = getVpnInstance(rd);
if (vpnInstance == null) {
LOG.warn("Could not find a suitable VpnInstance for Route-Distinguisher={}", rd);
return;
}
// Find out the set of DPNs for the given VPN ID
Collection<VpnToDpnList> vpnToDpnList = vpnInstance.getVpnToDpnList();
List<VrfEntry> vrfEntries = VpnServiceChainUtils.getAllVrfEntries(dataBroker, rd);
if (vrfEntries != null) {
if (addOrRemove == NwConstants.ADD_FLOW) {
AddVpnPseudoPortDataJob updateVpnToPseudoPortTask = new AddVpnPseudoPortDataJob(dataBroker, rd, lportTag, tableId, (int) scfTag);
jobCoordinator.enqueueJob(updateVpnToPseudoPortTask.getDsJobCoordinatorKey(), updateVpnToPseudoPortTask);
} else {
RemoveVpnPseudoPortDataJob removeVpnPseudoPortDataTask = new RemoveVpnPseudoPortDataJob(dataBroker, rd);
jobCoordinator.enqueueJob(removeVpnPseudoPortDataTask.getDsJobCoordinatorKey(), removeVpnPseudoPortDataTask);
}
for (VpnToDpnList dpnInVpn : vpnToDpnList) {
BigInteger dpnId = dpnInVpn.getDpnId();
programVpnToScfPipelineOnDpn(dpnId, vrfEntries, tableId, (int) scfTag, lportTag, addOrRemove);
if (dpnInVpn.getVpnInterfaces() != null) {
long vpnId = vpnInstance.getVpnId();
Flow flow = VpnServiceChainUtils.buildLPortDispFromScfToL3VpnFlow(vpnId, dpnId, lportTag, NwConstants.ADD_FLOW);
if (addOrRemove == NwConstants.ADD_FLOW) {
mdsalManager.installFlow(dpnId, flow);
} else {
mdsalManager.removeFlow(dpnId, flow);
}
dpnInVpn.getVpnInterfaces().forEach(vpnIf -> {
if (addOrRemove == NwConstants.ADD_FLOW) {
bindScfOnVpnInterface(vpnIf.getInterfaceName(), (int) scfTag);
} else {
unbindScfOnVpnInterface(vpnIf.getInterfaceName());
}
});
}
}
}
}
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