Examples with Route org.onosproject.routeservice.Route used on opensource projects

Example 16 with Route

use of org.onosproject.routeservice.Route in project onos by opennetworkinglab.

the class PimInterfaceManager method getSourceInterface.

private PimInterface getSourceInterface(McastRoute route) {
    Route unicastRoute = unicastRouteService.longestPrefixMatch(route.source());
    if (unicastRoute == null) {
        log.warn("No route to source {}", route.source());
        return null;
    }
    Interface intf = interfaceService.getMatchingInterface(unicastRoute.nextHop());
    if (intf == null) {
        log.warn("No interface with route to next hop {}", unicastRoute.nextHop());
        return null;
    }
    PimInterface pimInterface = pimInterfaces.get(intf.connectPoint());
    if (pimInterface == null) {
        log.warn("PIM is not enabled on interface {}", intf);
        return null;
    }
    Set<Host> hosts = hostService.getHostsByIp(unicastRoute.nextHop());
    Host host = null;
    for (Host h : hosts) {
        if (h.vlan().equals(intf.vlan())) {
            host = h;
        }
    }
    if (host == null) {
        log.warn("Next hop host entry not found: {}", unicastRoute.nextHop());
        return null;
    }
    pimInterface.addRoute(route, unicastRoute.nextHop(), host.mac());
    return pimInterface;
}

Example 17 with Route

use of org.onosproject.routeservice.Route 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 18 with Route

use of org.onosproject.routeservice.Route 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()));
        }
    });
}

Example 19 with Route

use of org.onosproject.routeservice.Route in project onos by opennetworkinglab.

the class Dhcp4HandlerImpl method handleDhcpAck.

/**
 * Send the DHCP ack to the requester host.
 * Modify Host or Route store according to the type of DHCP.
 *
 * @param ethernetPacketAck the packet
 * @param dhcpPayload the DHCP data
 */
private void handleDhcpAck(Ethernet ethernetPacketAck, DHCP dhcpPayload) {
    Optional<Interface> outInterface = getClientInterface(ethernetPacketAck, dhcpPayload);
    if (!outInterface.isPresent()) {
        log.warn("Can't find output interface for dhcp: {}", dhcpPayload);
        return;
    }
    Interface outIface = outInterface.get();
    ConnectPoint location = outIface.connectPoint();
    if (!location.port().hasName()) {
        location = translateSwitchPort(location);
    }
    HostLocation hostLocation = new HostLocation(location, System.currentTimeMillis());
    MacAddress macAddress = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
    VlanId vlanId = getVlanIdFromRelayAgentOption(dhcpPayload);
    if (vlanId == null) {
        vlanId = outIface.vlan();
    }
    HostId hostId = HostId.hostId(macAddress, vlanId);
    Ip4Address ip = Ip4Address.valueOf(dhcpPayload.getYourIPAddress());
    if (directlyConnected(dhcpPayload)) {
        // Add to host store if it connect to network directly
        Set<IpAddress> ips = Sets.newHashSet(ip);
        Host host = hostService.getHost(hostId);
        Set<HostLocation> hostLocations = Sets.newHashSet(hostLocation);
        if (host != null) {
            // Dual homing support:
            // if host exists, use old locations and new location
            hostLocations.addAll(host.locations());
        }
        HostDescription desc = new DefaultHostDescription(macAddress, vlanId, hostLocations, ips, false);
        // Add IP address when dhcp server give the host new ip address
        providerService.hostDetected(hostId, desc, false);
    } else {
        // Add to route store if it does not connect to network directly
        // Get gateway host IP according to host mac address
        // TODO: remove relay store here
        DhcpRecord record = dhcpRelayStore.getDhcpRecord(hostId).orElse(null);
        if (record == null) {
            log.warn("Can't find DHCP record of host {}", hostId);
            return;
        }
        MacAddress gwMac = record.nextHop().orElse(null);
        if (gwMac == null) {
            log.warn("Can't find gateway mac address from record {}", record);
            return;
        }
        HostId gwHostId = HostId.hostId(gwMac, record.vlanId());
        Host gwHost = hostService.getHost(gwHostId);
        if (gwHost == null) {
            log.warn("Can't find gateway host {}", gwHostId);
            return;
        }
        Ip4Address nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp4).map(IpAddress::getIp4Address).findFirst().orElse(null);
        if (nextHopIp == null) {
            log.warn("Can't find IP address of gateway {}", gwHost);
            return;
        }
        Route route = new Route(Route.Source.DHCP, ip.toIpPrefix(), nextHopIp);
        routeStore.replaceRoute(route);
    }
}

Example 20 with Route

use of org.onosproject.routeservice.Route in project onos by opennetworkinglab.

the class Dhcp4HandlerImpl method handleLeaseQueryUnknown.

private void handleLeaseQueryUnknown(Ethernet packet, DHCP dhcpPayload) {
    log.debug("Lease Query for Client results in DHCPLEASEUNASSIGNED or " + "DHCPLEASEUNKNOWN - removing route & forwarding reply to originator");
    if (learnRouteFromLeasequery) {
        MacAddress clientMacAddress = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
        VlanId vlanId = VlanId.vlanId(packet.getVlanID());
        HostId hostId = HostId.hostId(clientMacAddress, vlanId);
        DhcpRecord record = dhcpRelayStore.getDhcpRecord(hostId).orElse(null);
        if (record == null) {
            log.warn("Can't find record for host {} when handling LQ UNKNOWN/UNASSIGNED message", hostId);
            return;
        }
        Ip4Address clientIP = record.ip4Address().orElse(null);
        log.debug("LQ: IP of host is " + clientIP.getIp4Address());
        // find the new NH by looking at the src MAC of the dhcp request
        // from the LQ store
        MacAddress nextHopMac = record.nextHop().orElse(null);
        log.debug("LQ: MAC of resulting *Existing* NH for that route is " + nextHopMac.toString());
        // find the next hop IP from its mac
        HostId gwHostId = HostId.hostId(nextHopMac, vlanId);
        Host gwHost = hostService.getHost(gwHostId);
        if (gwHost == null) {
            log.warn("Can't find gateway for new NH host " + gwHostId);
            return;
        }
        Ip4Address nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp4).map(IpAddress::getIp4Address).findFirst().orElse(null);
        if (nextHopIp == null) {
            log.warn("Can't find IP address of gateway {}", gwHost);
            return;
        }
        log.debug("LQ: *Existing* NH IP for host is " + nextHopIp.getIp4Address() + " removing route for it");
        Route route = new Route(Route.Source.DHCP, clientIP.toIpPrefix(), nextHopIp);
        routeStore.removeRoute(route);
        // remove from temp store
        dhcpRelayStore.removeDhcpRecord(hostId);
    }
    // and forward to client
    InternalPacket ethernetPacket = processLeaseQueryFromServer(packet);
    if (ethernetPacket != null) {
        sendResponseToClient(ethernetPacket, dhcpPayload);
    }
}