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

Example 16 with DhcpRecord

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

the class Dhcp4HandlerImpl method handleLeaseQueryMsg.

private void handleLeaseQueryMsg(PacketContext context, Ethernet packet, DHCP dhcpPayload) {
    // where queried client is connected to. Otherwise, DHCPLEASEQUERY source may be a separate connected agent
    if (learnRouteFromLeasequery) {
        log.debug("LQ: Got DHCPLEASEQUERY packet!");
        MacAddress clientMacAddress = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
        log.debug("LQ: got DHCPLEASEQUERY with MAC " + clientMacAddress.toString());
        // add the client mac (hostid) of this request to a store (the entry will be removed with
        // the reply sent to the originator)
        VlanId vlanId = VlanId.vlanId(packet.getVlanID());
        HostId hId = HostId.hostId(clientMacAddress, vlanId);
        DhcpRecord record = dhcpRelayStore.getDhcpRecord(hId).orElse(null);
        if (record != null) {
            // new NH is to be taken from src mac of LQ packet
            MacAddress newNextHop = packet.getSourceMAC();
            record.nextHopTemp(newNextHop);
            record.ip4Status(dhcpPayload.getPacketType());
            record.updateLastSeen();
            // do a basic routing of the packet (this is unicast routing
            // not a relay operation like for other broadcast dhcp packets
            List<InternalPacket> ethernetPacketRequest = processLeaseQueryFromAgent(context, packet);
            // and forward to server
            for (InternalPacket internalPacket : ethernetPacketRequest) {
                log.debug("LeaseQueryMsg forward to server");
                forwardPacket(internalPacket);
            }
        } else {
            log.warn("LQ: Error! - DHCP relay record for that client not found - ignoring LQ!");
        }
    } else {
        log.debug("LQ: Got DHCPLEASEQUERY packet!");
        int giaddr = dhcpPayload.getGatewayIPAddress();
        log.debug("DHCPLEASEQUERY giaddr: {} ({}). Originators connectPoint: {}", giaddr, Ip4Address.valueOf(giaddr), context.inPacket().receivedFrom());
        // do a basic routing of the packet (this is unicast routing
        // not a relay operation like for other broadcast dhcp packets
        List<InternalPacket> ethernetPacketRequest = processLeaseQueryFromAgent(context, packet);
        // and forward to server
        for (InternalPacket internalPacket : ethernetPacketRequest) {
            log.trace("LeaseQueryMsg forward to server connected to {}", internalPacket.getDestLocation());
            forwardPacket(internalPacket);
        }
    }
}

Example 17 with DhcpRecord

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

the class Dhcp4HandlerImpl method getClientInterface.

/**
 * Gets output interface of a dhcp packet.
 * If option 82 exists in the dhcp packet and the option was sent by
 * ONOS (circuit format is correct), use the connect
 * point and vlan id from circuit id; otherwise, find host by destination
 * address and use vlan id from sender (dhcp server).
 *
 * @param ethPacket the ethernet packet
 * @param dhcpPayload the dhcp packet
 * @return an interface represent the output port and vlan; empty value
 *         if the host or circuit id not found
 */
private Optional<Interface> getClientInterface(Ethernet ethPacket, DHCP dhcpPayload) {
    VlanId originalPacketVlanId = VlanId.vlanId(ethPacket.getVlanID());
    DhcpRelayAgentOption option = (DhcpRelayAgentOption) dhcpPayload.getOption(OptionCode_CircuitID);
    DhcpOption circuitIdSubOption = option.getSubOption(CIRCUIT_ID.getValue());
    try {
        CircuitId circuitId = CircuitId.deserialize(circuitIdSubOption.getData());
        ConnectPoint connectPoint = ConnectPoint.deviceConnectPoint(circuitId.connectPoint());
        VlanId vlanId = circuitId.vlanId();
        return interfaceService.getInterfacesByPort(connectPoint).stream().filter(iface -> interfaceContainsVlan(iface, vlanId)).findFirst();
    } catch (IllegalArgumentException ex) {
        // invalid circuit format, didn't sent by ONOS
        log.debug("Invalid circuit {}, use information from dhcp payload", circuitIdSubOption.getData());
    }
    // Use Vlan Id from DHCP server if DHCP relay circuit id was not
    // sent by ONOS or circuit Id can't be parsed
    // TODO: remove relay store from this method
    MacAddress dstMac = valueOf(dhcpPayload.getClientHardwareAddress());
    VlanId filteredVlanId = getVlanIdFromDhcpRecord(dstMac, originalPacketVlanId);
    // Get the vlan from the dhcp record
    if (filteredVlanId == null) {
        log.debug("not find the matching DHCP record for mac: {} and vlan: {}", dstMac, originalPacketVlanId);
        return Optional.empty();
    }
    Optional<DhcpRecord> dhcpRecord = dhcpRelayStore.getDhcpRecord(HostId.hostId(dstMac, filteredVlanId));
    ConnectPoint clientConnectPoint = dhcpRecord.map(DhcpRecord::locations).orElse(Collections.emptySet()).stream().reduce((hl1, hl2) -> {
        // find latest host connect point
        if (hl1 == null || hl2 == null) {
            return hl1 == null ? hl2 : hl1;
        }
        return hl1.time() > hl2.time() ? hl1 : hl2;
    }).orElse(null);
    if (clientConnectPoint != null) {
        return interfaceService.getInterfacesByPort(clientConnectPoint).stream().filter(iface -> interfaceContainsVlan(iface, filteredVlanId)).findFirst();
    }
    return Optional.empty();
}

Example 18 with DhcpRecord

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

the class Dhcp6HandlerImpl method addHostOrRoute.

/**
 * add host or route and update dhcp relay record.
 *
 * @param directConnFlag  flag to show that packet is from directly connected client
 * @param location  client side connect point
 * @param dhcp6Relay the dhcp6 payload
 * @param embeddedDhcp6 the dhcp6 payload within relay
 * @param srcMac client gw/host macAddress
 * @param clientInterface client interface
 * @param vlanIdInUse vlanid encoded in the interface id Option
 */
private void addHostOrRoute(boolean directConnFlag, ConnectPoint location, DHCP6 dhcp6Relay, DHCP6 embeddedDhcp6, MacAddress srcMac, Interface clientInterface, VlanId vlanIdInUse) {
    log.debug("addHostOrRoute entered.");
    VlanId vlanId;
    if (clientInterface.vlanTagged().isEmpty()) {
        vlanId = clientInterface.vlan();
    } else {
        // might be multiple vlan in same interface
        vlanId = vlanIdInUse;
    }
    if (vlanId == null) {
        vlanId = VlanId.NONE;
    }
    Boolean isMsgReply = Dhcp6HandlerUtil.isDhcp6Reply(dhcp6Relay);
    MacAddress leafClientMac;
    Byte leafMsgType;
    Dhcp6ClientIdOption clientIdOption = Dhcp6HandlerUtil.extractClientId(directConnFlag, embeddedDhcp6);
    if (clientIdOption != null) {
        log.debug("CLIENTID option found {}", clientIdOption);
        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. No DhcpRelay Record created.");
        // 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(HostId.hostId(leafClientMac, vlanId));
    } else {
        record = record.clone();
    }
    IpAddressInfo ipInfo;
    PdPrefixInfo pdInfo = null;
    if (directConnFlag) {
        // Add to host store if it connect to network directly
        ipInfo = extractIpAddress(embeddedDhcp6);
        if (ipInfo != null) {
            if (isMsgReply) {
                Set<IpAddress> ips = Sets.newHashSet(ipInfo.ip6Address);
                HostId hostId = HostId.hostId(srcMac, vlanId);
                Host host = hostService.getHost(hostId);
                HostLocation hostLocation = new HostLocation(clientInterface.connectPoint(), System.currentTimeMillis());
                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(srcMac, vlanId, hostLocations, ips, false);
                log.debug("adding Host for directly connected.");
                log.debug("client mac {} client vlan {} hostlocation {}", HexString.toHexString(srcMac.toBytes(), ":"), vlanId, hostLocation.toString());
                // Replace the ip when dhcp server give the host new ip address
                providerService.hostDetected(hostId, desc, false);
            }
        } else {
            log.warn("ipAddress not found. Do not add Host {} for directly connected.", HostId.hostId(srcMac, vlanId).toString());
        }
        leafMsgType = embeddedDhcp6.getMsgType();
    } else {
        // Add to route store if it does not connect 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(embeddedDhcp6);
        ipInfo = extractIpAddress(leafDhcp);
        if (ipInfo == null) {
            log.debug("ip is null");
        } else {
            if (isMsgReply) {
                Route routeForIP = new Route(Route.Source.DHCP, ipInfo.ip6Address.toIpPrefix(), nextHopIp);
                log.debug("adding Route of 128 address for indirectly connected.");
                routeStore.replaceRoute(routeForIP);
            }
        }
        pdInfo = extractPrefix(leafDhcp);
        if (pdInfo == null) {
            log.debug("ipPrefix is null ");
        } else {
            if (isMsgReply) {
                Route routeForPrefix = new Route(Route.Source.DHCP, pdInfo.pdPrefix, nextHopIp);
                log.debug("adding Route of PD for indirectly connected.");
                routeStore.replaceRoute(routeForPrefix);
                if (this.dhcpFpmEnabled) {
                    FpmRecord fpmRecord = new FpmRecord(pdInfo.pdPrefix, nextHopIp, FpmRecord.Type.DHCP_RELAY);
                    dhcpFpmPrefixStore.addFpmRecord(pdInfo.pdPrefix, fpmRecord);
                }
            }
        }
        leafMsgType = leafDhcp.getMsgType();
    }
    if (leafMsgType == DHCP6.MsgType.RELEASE.value() || (leafMsgType == DHCP6.MsgType.REPLY.value()) && ipInfo == null) {
        log.warn("DHCP6 RELEASE/REPLY(null ip) from Server. MsgType {}", leafMsgType);
    // return;
    }
    record.addLocation(new HostLocation(location, System.currentTimeMillis()));
    if (leafMsgType == DHCP6.MsgType.REPLY.value()) {
        if (ipInfo != null) {
            log.debug("IP6 address is being stored into dhcp-relay store.");
            log.debug("Client IP6 address {}", HexString.toHexString(ipInfo.ip6Address.toOctets(), ":"));
            record.ip6Address(ipInfo.ip6Address);
            record.updateAddrPrefTime(ipInfo.prefTime);
            record.updateLastIp6Update();
        } else {
            log.debug("IP6 address is not returned from server. Maybe only PD is returned.");
        }
        if (pdInfo != null) {
            log.debug("IP6 PD address {}", HexString.toHexString(pdInfo.pdPrefix.address().toOctets(), ":"));
            record.pdPrefix(pdInfo.pdPrefix);
            record.updatePdPrefTime(pdInfo.prefTime);
            record.updateLastPdUpdate();
        } else {
            log.debug("IP6 PD address is not returned from server. Maybe only IPAddress is returned.");
        }
    }
    record.getV6Counters().incrementCounter(Dhcp6HandlerUtil.getMsgTypeStr(leafMsgType));
    record.ip6Status(DHCP6.MsgType.getType(leafMsgType));
    record.setDirectlyConnected(directConnFlag);
    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 19 with DhcpRecord

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

the class DhcpRelayWebResource method resetDhcpRelayCountersInternal.

/**
 * To reset dhcp relay counters.
 *
 * @return counterArray type ArrayNode.
 */
private void resetDhcpRelayCountersInternal() {
    DhcpRelayService dhcpDelayService = get(DhcpRelayService.class);
    Collection<DhcpRecord> records = dhcpDelayService.getDhcpRecords();
    records.forEach(record -> {
        DhcpRelayCounters v6Counters = record.getV6Counters();
        v6Counters.resetCounters();
    });
}

Example 20 with DhcpRecord

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

the class DhcpRelayCommand method doExecute.

@Override
protected void doExecute() {
    List<DhcpServerInfo> defaultDhcpServerInfoList = DHCP_RELAY_SERVICE.getDefaultDhcpServerInfoList();
    List<DhcpServerInfo> indirectDhcpServerInfoList = DHCP_RELAY_SERVICE.getIndirectDhcpServerInfoList();
    if (defaultDhcpServerInfoList.isEmpty() && indirectDhcpServerInfoList.isEmpty()) {
        print(MISSING_SERVER_CFG);
        return;
    }
    if (!defaultDhcpServerInfoList.isEmpty()) {
        print(DEFAULT_SERVERS);
        listServers(defaultDhcpServerInfoList);
    }
    if (!indirectDhcpServerInfoList.isEmpty()) {
        print(INDIRECT_SERVERS);
        listServers(indirectDhcpServerInfoList);
    }
    // DHCP records
    Collection<DhcpRecord> records = DHCP_RELAY_SERVICE.getDhcpRecords();
    if (records.isEmpty()) {
        print(NO_RECORDS);
        return;
    }
    // Handle display of counters
    boolean toResetFlag;
    if (counter != null) {
        if (counter.equals("counter") || counter.equals("[counter]")) {
            print(CONUTER_HEADER);
        } else {
            print("first parameter is [counter]");
            return;
        }
        if (reset != null) {
            if (reset.equals("reset") || reset.equals("[reset]")) {
                toResetFlag = true;
            } else {
                print("Last parameter is [reset]");
                return;
            }
        } else {
            toResetFlag = false;
        }
        records.forEach(record -> {
            print(COUNTER_HOST, record.macAddress(), record.vlanId(), record.locations(), record.directlyConnected() ? DIRECTLY : EMPTY);
            DhcpRelayCounters v6Counters = record.getV6Counters();
            Map<String, Integer> countersMap = v6Counters.getCounters();
            countersMap.forEach((name, value) -> {
                print("%-30s  ............................  %-4d packets", name, value);
            });
            if (toResetFlag) {
                v6Counters.resetCounters();
                record.updateLastSeen();
                DHCP_RELAY_SERVICE.updateDhcpRecord(HostId.hostId(record.macAddress(), record.vlanId()), record);
            }
        });
        return;
    }
    // Handle display of records
    print(HEADER);
    records.forEach(record -> print(HOST, record.macAddress(), record.vlanId(), record.locations(), record.directlyConnected() ? DIRECTLY : EMPTY, Tools.timeAgo(record.lastSeen()), ip4State(record), ip6State(record)));
}