Examples with DhcpRecord org.onosproject.dhcprelay.store.DhcpRecord used on opensource projects

Example 6 with DhcpRecord

use of org.onosproject.dhcprelay.store.DhcpRecord in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method setPotentialNextHopForIp6InRelayStore.

private void setPotentialNextHopForIp6InRelayStore(Ip6Address clientAddress, VlanId vlanId, MacAddress nh) {
    DhcpRecord dr = getDhcpRelayRecordFor(clientAddress);
    if (dr != null) {
        dr.nextHopTemp(nh);
        log.debug("LQ6 potential NH mac " + nh.toString() + " UPDATED in RelayRecord client " + clientAddress);
    } else {
        log.warn("LQ6 potential NH mac" + nh.toString() + " NOT FOUND in RelayRecord for client - LQ rejected" + clientAddress);
    }
}

Example 7 with DhcpRecord

use of org.onosproject.dhcprelay.store.DhcpRecord in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method getDhcpRelayRecordFor.

public DhcpRecord getDhcpRelayRecordFor(Ip6Address clientAddress) {
    Collection<DhcpRecord> records = dhcpRelayStore.getDhcpRecords();
    DhcpRecord dr = null;
    for (DhcpRecord e : records) {
        if (e.ip6Address().isPresent()) {
            if (e.ip6Address().get().equals(clientAddress)) {
                dr = e;
                break;
            }
        }
    }
    return dr;
}

Example 8 with DhcpRecord

use of org.onosproject.dhcprelay.store.DhcpRecord in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method removeHostOrRoute.

/**
 * remove host or route and update dhcp relay record attributes.
 *
 * @param directConnFlag  flag to show that packet is from directly connected client
 * @param location  client side connect point
 * @param dhcp6Packet the dhcp6 payload
 * @param clientPacket client's ethernet packet
 * @param clientIpv6 client's Ipv6 packet
 * @param clientInterface client interfaces
 */
private void removeHostOrRoute(boolean directConnFlag, ConnectPoint location, DHCP6 dhcp6Packet, Ethernet clientPacket, IPv6 clientIpv6, Interface clientInterface) {
    log.debug("removeHostOrRoute  enters {}", dhcp6Packet);
    VlanId vlanId = clientInterface.vlan();
    // could be gw or host
    MacAddress srcMac = clientPacket.getSourceMAC();
    MacAddress leafClientMac;
    byte leafMsgType;
    log.debug("client mac {} client vlan {}", HexString.toHexString(srcMac.toBytes(), ":"), vlanId);
    Dhcp6ClientIdOption clientIdOption = Dhcp6HandlerUtil.extractClientId(directConnFlag, dhcp6Packet);
    if (clientIdOption != null) {
        if ((clientIdOption.getDuid().getDuidType() == Dhcp6Duid.DuidType.DUID_LLT) || (clientIdOption.getDuid().getDuidType() == Dhcp6Duid.DuidType.DUID_LL)) {
            leafClientMac = MacAddress.valueOf(clientIdOption.getDuid().getLinkLayerAddress());
        } else {
            log.warn("Link-Layer Address not supported in CLIENTID option. No DhcpRelay Record created.");
            // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_FAIL);
            return;
        }
    } else {
        log.warn("CLIENTID option NOT found. Don't create DhcpRelay Record.");
        // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENTID_FAIL);
        return;
    }
    HostId leafHostId = HostId.hostId(leafClientMac, vlanId);
    DhcpRecord record = dhcpRelayStore.getDhcpRecord(leafHostId).orElse(null);
    if (record == null) {
        record = new DhcpRecord(leafHostId);
    } else {
        record = record.clone();
    }
    Boolean isMsgRelease = Dhcp6HandlerUtil.isDhcp6Release(dhcp6Packet);
    IpAddressInfo ipInfo;
    PdPrefixInfo pdInfo = null;
    if (directConnFlag) {
        // Add to host store if it is connected to network directly
        ipInfo = extractIpAddress(dhcp6Packet);
        if (ipInfo != null) {
            if (isMsgRelease) {
                HostId hostId = HostId.hostId(srcMac, vlanId);
                log.debug("remove Host {} ip for directly connected.", hostId.toString());
                providerService.removeIpFromHost(hostId, ipInfo.ip6Address);
            }
        } else {
            log.debug("ipAddress not found. Do not remove Host {} for directly connected.", HostId.hostId(srcMac, vlanId).toString());
        }
        leafMsgType = dhcp6Packet.getMsgType();
    } else {
        // Remove from route store if it is not connected to network directly
        // pick out the first link-local ip address
        IpAddress nextHopIp = getFirstIpByHost(directConnFlag, srcMac, vlanId);
        if (nextHopIp == null) {
            log.warn("Can't find link-local IP address of gateway mac {} vlanId {}", srcMac, vlanId);
            // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_GW);
            return;
        }
        DHCP6 leafDhcp = Dhcp6HandlerUtil.getDhcp6Leaf(dhcp6Packet);
        ipInfo = extractIpAddress(leafDhcp);
        if (ipInfo == null) {
            log.debug("ip is null");
        } else {
            if (isMsgRelease) {
                Route routeForIP = new Route(Route.Source.DHCP, ipInfo.ip6Address.toIpPrefix(), nextHopIp);
                log.debug("removing route of 128 address for indirectly connected.");
                log.debug("128 ip {}, nexthop {}", HexString.toHexString(ipInfo.ip6Address.toOctets(), ":"), HexString.toHexString(nextHopIp.toOctets(), ":"));
                routeStore.removeRoute(routeForIP);
            }
        }
        pdInfo = extractPrefix(leafDhcp);
        if (pdInfo == null) {
            log.debug("ipPrefix is null ");
        } else {
            if (isMsgRelease) {
                Route routeForPrefix = new Route(Route.Source.DHCP, pdInfo.pdPrefix, nextHopIp);
                log.debug("removing route of PD for indirectly connected.");
                log.debug("pd ip {}, nexthop {}", HexString.toHexString(pdInfo.pdPrefix.address().toOctets(), ":"), HexString.toHexString(nextHopIp.toOctets(), ":"));
                routeStore.removeRoute(routeForPrefix);
                if (this.dhcpFpmEnabled) {
                    dhcpFpmPrefixStore.removeFpmRecord(pdInfo.pdPrefix);
                }
            }
        }
        leafMsgType = leafDhcp.getMsgType();
    }
    if (isMsgRelease) {
        log.debug("DHCP6 RELEASE msg.");
        if (record != null) {
            if (ipInfo != null) {
                log.debug("DhcpRelay Record ip6Address is set to null.");
                record.ip6Address(null);
            }
            if (pdInfo != null) {
                log.debug("DhcpRelay Record pdPrefix is set to null.");
            }
            if (!record.ip6Address().isPresent() && !record.pdPrefix().isPresent()) {
                log.warn("IP6 address and IP6 PD both are null. Remove record.");
            // do not remove a record. Let timer task handler it.
            // dhcpRelayStore.removeDhcpRecord(HostId.hostId(leafClientMac, vlanId));
            }
        }
    }
    if (record != null) {
        record.getV6Counters().incrementCounter(Dhcp6HandlerUtil.getMsgTypeStr(leafMsgType));
        record.addLocation(new HostLocation(location, System.currentTimeMillis()));
        record.ip6Status(DHCP6.MsgType.getType(leafMsgType));
        record.setDirectlyConnected(directConnFlag);
        if (!directConnFlag) {
            // Update gateway mac address if the host is not directly connected
            record.nextHop(srcMac);
        }
        record.updateLastSeen();
    }
    dhcpRelayStore.updateDhcpRecord(leafHostId, record);
/*
        // TODO Use AtomicInteger for the counters
        try {
            recordSemaphore.acquire();
            try {
                dhcpRelayCountersStore.incrementCounter(gCount, Dhcp6HandlerUtil.getMsgTypeStr(leafMsgType));
            } finally {
                // calling release() after a successful acquire()
                recordSemaphore.release();
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
        */
}

Example 9 with DhcpRecord

use of org.onosproject.dhcprelay.store.DhcpRecord in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method findNextHopIp6FromRelayStore.

public Ip6Address findNextHopIp6FromRelayStore(Ip6Address clientAddress) {
    DhcpRecord dr = getDhcpRelayRecordFor(clientAddress);
    if (dr != null) {
        Optional<MacAddress> nextHopMac = dr.nextHop();
        if (nextHopMac.isPresent()) {
            // find the local ip6 from the host store
            HostId gwHostId = HostId.hostId(nextHopMac.get(), dr.vlanId());
            Host gwHost = hostService.getHost(gwHostId);
            if (gwHost == null) {
                log.warn("Can't find next hop host ID {}", gwHostId);
                return null;
            }
            Ip6Address nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp6).filter(IpAddress::isLinkLocal).map(IpAddress::getIp6Address).findFirst().orElse(null);
            log.info("findNextHopIp6FromRelayStore " + clientAddress + " got mac " + nextHopMac.toString() + " ip6 " + nextHopIp);
            return nextHopIp;
        }
    } else {
        log.warn("findNextHopIp6FromRelayStore could NOT find next hop for " + clientAddress);
        return null;
    }
    return null;
}

Example 10 with DhcpRecord

use of org.onosproject.dhcprelay.store.DhcpRecord in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method timeTick.

/**
 * Find lease-expired ipaddresses and pd prefixes.
 * Removing host/route/fpm entries.
 */
public void timeTick() {
    long currentTime = System.currentTimeMillis();
    Collection<DhcpRecord> records = dhcpRelayStore.getDhcpRecords();
    log.debug("timeTick called currenttime {} records num {} ", currentTime, records.size());
    records.forEach(record -> {
        boolean addrOrPdRemoved = false;
        DHCP6.MsgType ip6Status = record.ip6Status().orElse(null);
        if (ip6Status == null) {
            log.debug("record is not valid v6 record.");
            return;
        }
        if ((currentTime - record.getLastIp6Update()) > ((record.addrPrefTime() + getDhcp6PollInterval() / 2) * 1000)) {
            // remove ipaddress from host/route table
            IpAddress ip = record.ip6Address().orElse(null);
            if (ip != null) {
                if (record.directlyConnected()) {
                    providerService.removeIpFromHost(HostId.hostId(record.macAddress(), record.vlanId()), ip);
                } else {
                    MacAddress gwMac = record.nextHop().orElse(null);
                    if (gwMac == null) {
                        log.warn("Can't find gateway mac address from record {} for ip6Addr", record);
                        return;
                    }
                    IpAddress nextHopIp = getFirstIpByHost(record.directlyConnected(), gwMac, record.vlanId());
                    Route route = new Route(Route.Source.DHCP, ip.toIpPrefix(), nextHopIp);
                    routeStore.removeRoute(route);
                }
                record.updateAddrPrefTime(0);
                record.ip6Address(null);
                addrOrPdRemoved = true;
                dhcpRelayStore.updateDhcpRecord(HostId.hostId(record.macAddress(), record.vlanId()), record);
                log.warn("IP6 address is set to null. delta {} lastUpdate {} addrPrefTime {}", (currentTime - record.getLastIp6Update()), record.getLastIp6Update(), record.addrPrefTime());
            }
        }
        if ((currentTime - record.getLastPdUpdate()) > ((record.pdPrefTime() + getDhcp6PollInterval() / 2) * 1000)) {
            // remove PD from route/fpm table
            IpPrefix pdIpPrefix = record.pdPrefix().orElse(null);
            if (pdIpPrefix != null) {
                if (record.directlyConnected()) {
                    providerService.removeIpFromHost(HostId.hostId(record.macAddress(), record.vlanId()), pdIpPrefix.address().getIp6Address());
                } else {
                    MacAddress gwMac = record.nextHop().orElse(null);
                    if (gwMac == null) {
                        log.warn("Can't find gateway mac address from record {} for PD prefix", record);
                        return;
                    }
                    IpAddress nextHopIp = getFirstIpByHost(record.directlyConnected(), gwMac, record.vlanId());
                    Route route = new Route(Route.Source.DHCP, pdIpPrefix, nextHopIp);
                    routeStore.removeRoute(route);
                    if (this.dhcpFpmEnabled) {
                        dhcpFpmPrefixStore.removeFpmRecord(pdIpPrefix);
                    }
                }
                record.updatePdPrefTime(0);
                record.pdPrefix(null);
                addrOrPdRemoved = true;
                dhcpRelayStore.updateDhcpRecord(HostId.hostId(record.macAddress(), record.vlanId()), record);
                log.warn("PD prefix is set to null.delta {} pdPrefTime {}", (currentTime - record.getLastPdUpdate()), record.pdPrefTime());
            }
        }
        if (addrOrPdRemoved && !record.ip6Address().isPresent() && !record.pdPrefix().isPresent()) {
            log.warn("ip6Status {} IP6 address and IP6 PD both are null. Remove record.", ip6Status);
            dhcpRelayStore.removeDhcpRecord(HostId.hostId(record.macAddress(), record.vlanId()));
        }
    });
}