use of org.onlab.packet.MacAddress 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();
}
*/
}
use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.
the class Dhcp6HandlerImpl method handleLeaseQuery6ReplyMsg.
public void handleLeaseQuery6ReplyMsg(PacketContext context, DHCP6 dhcp6Payload) {
ConnectPoint inPort = context.inPacket().receivedFrom();
log.info("Got LQV6-REPLY on port {}", inPort);
List<Dhcp6Option> lopt = dhcp6Payload.getOptions();
log.info("Options list: {}", lopt);
// find out if this lease is known is
Dhcp6ClientDataOption clientDataOption = dhcp6Payload.getOptions().stream().filter(opt -> opt instanceof Dhcp6ClientDataOption).map(pld -> (Dhcp6ClientDataOption) pld).findFirst().orElse(null);
if (clientDataOption == null) {
log.warn("clientDataOption option is not present, " + "lease is UNKNOWN - not adding any new route...");
} else {
Dhcp6IaAddressOption aiAddressOption = clientDataOption.getOptions().stream().filter(opt -> opt instanceof Dhcp6IaAddressOption).map(pld -> (Dhcp6IaAddressOption) pld).findFirst().orElse(null);
Dhcp6ClientIdOption clientIdOption = clientDataOption.getOptions().stream().filter(opt -> opt instanceof Dhcp6ClientIdOption).map(pld -> (Dhcp6ClientIdOption) pld).findFirst().orElse(null);
if (aiAddressOption == null) {
log.warn("clientDataOption from DHCP server does not " + "contains Dhcp6IaAddressOption for the client - giving up...");
} else {
Ip6Address clientAddress = aiAddressOption.getIp6Address();
MacAddress clientMacAddress = MacAddress.valueOf(clientIdOption.getDuid().getLinkLayerAddress());
Ethernet packet = context.inPacket().parsed();
VlanId vlanId = VlanId.vlanId(packet.getVlanID());
MacAddress potentialNextHopMac = findNextHopMacForIp6FromRelayStore(clientAddress, clientMacAddress, vlanId);
if (potentialNextHopMac == null) {
log.warn("Can't find next hop host mac for client {} mac:{}/{}", clientAddress, clientMacAddress, vlanId);
return;
} else {
log.info("Next hop mac for {}/{}/{} is {}", clientAddress, clientMacAddress, vlanId, potentialNextHopMac.toString());
}
// search the next hop in the hosts store
HostId gwHostId = HostId.hostId(potentialNextHopMac, vlanId);
Host gwHost = hostService.getHost(gwHostId);
if (gwHost == null) {
log.warn("Can't find next hop host ID {}", gwHostId);
return;
}
Ip6Address nextHopIp = gwHost.ipAddresses().stream().filter(IpAddress::isIp6).filter(IpAddress::isLinkLocal).map(IpAddress::getIp6Address).findFirst().orElse(null);
if (nextHopIp == null) {
log.warn("Can't find IP6 address of next hop {}", gwHost);
return;
}
log.info("client " + clientAddress + " is known !");
Route routeForIP6 = new Route(Route.Source.DHCP, clientAddress.toIpPrefix(), nextHopIp);
log.debug("updating route of Client for indirectly connected.");
log.debug("client ip: " + clientAddress + ", next hop ip6: " + nextHopIp);
routeStore.updateRoute(routeForIP6);
}
}
}
use of org.onlab.packet.MacAddress 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();
}
use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.
the class Dhcp4HandlerImpl method writeResponseDhcpRecord.
/**
* Writes DHCP record to the store according to the response DHCP packet (Offer, Ack).
*
* @param ethernet the DHCP packet
* @param dhcpPayload the DHCP payload
*/
private void writeResponseDhcpRecord(Ethernet ethernet, DHCP dhcpPayload) {
Optional<Interface> outInterface = getClientInterface(ethernet, dhcpPayload);
if (!outInterface.isPresent()) {
log.warn("Failed to determine where to send {}", dhcpPayload.getPacketType());
return;
}
Interface outIface = outInterface.get();
ConnectPoint location = outIface.connectPoint();
if (!location.port().hasName()) {
location = translateSwitchPort(location);
}
VlanId vlanId = getVlanIdFromRelayAgentOption(dhcpPayload);
if (vlanId == null) {
vlanId = outIface.vlan();
}
MacAddress macAddress = MacAddress.valueOf(dhcpPayload.getClientHardwareAddress());
HostId hostId = HostId.hostId(macAddress, vlanId);
DhcpRecord record = dhcpRelayStore.getDhcpRecord(hostId).orElse(null);
if (record == null) {
record = new DhcpRecord(HostId.hostId(macAddress, vlanId));
} else {
record = record.clone();
}
record.addLocation(new HostLocation(location, System.currentTimeMillis()));
if (dhcpPayload.getPacketType() == DHCP.MsgType.DHCPACK) {
record.ip4Address(Ip4Address.valueOf(dhcpPayload.getYourIPAddress()));
}
record.ip4Status(dhcpPayload.getPacketType());
record.setDirectlyConnected(directlyConnected(dhcpPayload));
record.updateLastSeen();
dhcpRelayStore.updateDhcpRecord(HostId.hostId(macAddress, vlanId), record);
}
use of org.onlab.packet.MacAddress in project onos by opennetworkinglab.
the class Dhcp4HandlerImpl method handleLeaseQueryActivateMsg.
private void handleLeaseQueryActivateMsg(Ethernet packet, DHCP dhcpPayload) {
log.debug("LQ: Got DHCPLEASEACTIVE packet!");
if (learnRouteFromLeasequery) {
// TODO: release the ip address from client
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 processing DHCPLEASEACTIVE", hostId);
return;
}
// need to update routes
log.debug("Lease Query for Client results in DHCPLEASEACTIVE - route needs to be modified");
// get current route
// find the ip of that client with the DhcpRelay store
Ip4Address clientIP = record.ip4Address().orElse(null);
log.debug("LQ: IP of host is " + clientIP.getIp4Address());
MacAddress nextHopMac = record.nextHop().orElse(null);
log.debug("LQ: MAC of resulting *OLD* NH for that host is " + nextHopMac.toString());
// find the new NH by looking at the src MAC of the dhcp request
// from the LQ store
MacAddress newNextHopMac = record.nextHopTemp().orElse(null);
log.debug("LQ: MAC of resulting *NEW* NH for that host is " + newNextHopMac.toString());
log.debug("LQ: updating dhcp relay record with new NH");
record.nextHop(newNextHopMac);
// find the next hop IP from its mac
HostId gwHostId = HostId.hostId(newNextHopMac, 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: *NEW* NH IP for host is " + nextHopIp.getIp4Address());
Route route = new Route(Route.Source.DHCP, clientIP.toIpPrefix(), nextHopIp);
routeStore.updateRoute(route);
}
// and forward to client
InternalPacket ethernetPacket = processLeaseQueryFromServer(packet);
if (ethernetPacket != null) {
sendResponseToClient(ethernetPacket, dhcpPayload);
}
}
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