use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.port.mod.Port in project netvirt by opendaylight.
the class DhcpNeutronPortListener method removePort.
private void removePort(Port port) {
String macAddress = getMacAddress(port);
Uuid networkId = port.getNetworkId();
String segmentationId = DhcpServiceUtils.getSegmentationId(networkId, broker);
if (segmentationId == null) {
return;
}
List<BigInteger> listOfDpns = DhcpServiceUtils.getListOfDpns(broker);
dhcpExternalTunnelManager.unInstallDhcpFlowsForVms(networkId.getValue(), listOfDpns, macAddress);
dhcpExternalTunnelManager.removeVniMacToPortCache(new BigInteger(segmentationId), macAddress);
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.port.mod.Port in project netvirt by opendaylight.
the class DhcpPktHandler method getDhcpInfo.
private DhcpInfo getDhcpInfo(Port port, Subnet subnet, String serverIp) {
DhcpInfo dhcpInfo = null;
if (port != null && subnet != null) {
String clientIp = getIpv4Address(port);
List<IpAddress> dnsServers = subnet.getDnsNameservers();
dhcpInfo = new DhcpInfo();
if (isIpv4Address(subnet.getGatewayIp())) {
dhcpInfo.setGatewayIp(subnet.getGatewayIp().getIpv4Address().getValue());
}
if (clientIp != null && serverIp != null) {
List<HostRoutes> subnetHostRoutes = new ArrayList<>(subnet.getHostRoutes().size());
for (HostRoutes hostRoute : subnet.getHostRoutes()) {
if (!String.valueOf(hostRoute.getNexthop().getValue()).equals(clientIp)) {
subnetHostRoutes.add(hostRoute);
}
}
dhcpInfo.setClientIp(clientIp).setServerIp(serverIp).setCidr(String.valueOf(subnet.getCidr().getValue())).setHostRoutes(subnetHostRoutes).setDnsServersIpAddrs(dnsServers);
}
}
return dhcpInfo;
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.port.mod.Port in project netvirt by opendaylight.
the class DhcpPktHandler method onPacketReceived.
// TODO: Handle this in a separate thread
@Override
public void onPacketReceived(PacketReceived packet) {
if (!config.isControllerDhcpEnabled()) {
return;
}
Class<? extends PacketInReason> pktInReason = packet.getPacketInReason();
short tableId = packet.getTableId().getValue();
if ((tableId == NwConstants.DHCP_TABLE || tableId == NwConstants.DHCP_TABLE_EXTERNAL_TUNNEL) && isPktInReasonSendtoCtrl(pktInReason)) {
byte[] inPayload = packet.getPayload();
Ethernet ethPkt = new Ethernet();
try {
ethPkt.deserialize(inPayload, 0, inPayload.length * NetUtils.NUM_BITS_IN_A_BYTE);
} catch (PacketException e) {
LOG.warn("Failed to decode DHCP Packet.", e);
LOG.trace("Received packet {}", packet);
return;
}
DHCP pktIn;
pktIn = getDhcpPktIn(ethPkt);
if (pktIn != null) {
LOG.trace("DHCPPkt received: {}", pktIn);
LOG.trace("Received Packet: {}", packet);
BigInteger metadata = packet.getMatch().getMetadata().getMetadata();
long portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
String macAddress = DHCPUtils.byteArrayToString(ethPkt.getSourceMACAddress());
BigInteger tunnelId = packet.getMatch().getTunnel() == null ? null : packet.getMatch().getTunnel().getTunnelId();
String interfaceName = getInterfaceNameFromTag(portTag);
InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfoFromOperationalDataStore(interfaceName);
if (interfaceInfo == null) {
LOG.error("Failed to get interface info for interface name {}", interfaceName);
return;
}
Port port;
if (tunnelId != null) {
port = dhcpExternalTunnelManager.readVniMacToPortCache(tunnelId, macAddress);
} else {
port = getNeutronPort(interfaceName);
}
Subnet subnet = getNeutronSubnet(port);
String serverMacAddress = interfaceInfo.getMacAddress();
String serverIp = null;
if (subnet != null) {
java.util.Optional<SubnetToDhcpPort> dhcpPortData = DhcpServiceUtils.getSubnetDhcpPortData(broker, subnet.getUuid().getValue());
/* If enable_dhcp_service flag was enabled and an ODL network DHCP Port data was made available use
* the ports Fixed IP as server IP for DHCP communication.
*/
if (dhcpPortData.isPresent()) {
serverIp = dhcpPortData.get().getPortFixedip();
serverMacAddress = dhcpPortData.get().getPortMacaddress();
} else {
// DHCP Neutron Port not found for this network
LOG.error("Neutron DHCP port is not available for the Subnet {} and port {}.", subnet.getUuid(), port.getUuid());
return;
}
}
DHCP replyPkt = handleDhcpPacket(pktIn, interfaceName, macAddress, port, subnet, serverIp);
if (replyPkt == null) {
LOG.warn("Unable to construct reply packet for interface name {}", interfaceName);
return;
}
byte[] pktOut = getDhcpPacketOut(replyPkt, ethPkt, serverMacAddress);
sendPacketOut(pktOut, interfaceInfo.getDpId(), interfaceName, tunnelId);
}
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.port.mod.Port in project netvirt by opendaylight.
the class DhcpServiceUtils method setupDhcpArpRequest.
@SuppressWarnings("checkstyle:IllegalCatch")
public static void setupDhcpArpRequest(BigInteger dpId, short tableId, BigInteger vni, String dhcpIpAddress, int lportTag, Long elanTag, boolean add, IMdsalApiManager mdsalUtil) {
List<MatchInfo> matches = getDhcpArpMatch(vni, dhcpIpAddress);
if (add) {
Flow flow = MDSALUtil.buildFlowNew(tableId, getDhcpArpFlowRef(dpId, tableId, lportTag, dhcpIpAddress), DhcpMConstants.DEFAULT_DHCP_ARP_FLOW_PRIORITY, "DHCPArp", 0, 0, generateDhcpArpCookie(lportTag, dhcpIpAddress), matches, null);
LOG.trace("Removing DHCP ARP Flow DpId {}, DHCP Port IpAddress {}", dpId, dhcpIpAddress);
mdsalUtil.removeFlow(dpId, flow);
} else {
Flow flow = MDSALUtil.buildFlowNew(tableId, getDhcpArpFlowRef(dpId, tableId, lportTag, dhcpIpAddress), DhcpMConstants.DEFAULT_DHCP_ARP_FLOW_PRIORITY, "DHCPArp", 0, 0, generateDhcpArpCookie(lportTag, dhcpIpAddress), matches, getDhcpArpInstructions(elanTag, lportTag));
LOG.trace("Adding DHCP ARP Flow DpId {}, DHCPPort IpAddress {}", dpId, dhcpIpAddress);
mdsalUtil.installFlow(dpId, flow);
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.port.mod.Port in project netvirt by opendaylight.
the class DhcpServiceUtils method createSubnetDhcpPortData.
@SuppressWarnings("checkstyle:IllegalCatch")
protected static void createSubnetDhcpPortData(Port port, BiConsumer<InstanceIdentifier<SubnetToDhcpPort>, SubnetToDhcpPort> consumer) {
java.util.Optional<String> ip4Address = getIpV4Address(port);
java.util.Optional<String> subnetId = getNeutronSubnetId(port);
if (!(ip4Address.isPresent() && subnetId.isPresent())) {
return;
}
LOG.trace("Adding SubnetPortData entry for subnet {}", subnetId.get());
InstanceIdentifier<SubnetToDhcpPort> identifier = buildSubnetToDhcpPort(subnetId.get());
SubnetToDhcpPort subnetToDhcpPort = getSubnetToDhcpPort(port, subnetId.get(), ip4Address.get());
try {
LOG.trace("Adding to SubnetToDhcpPort subnet {} mac {}.", subnetId.get(), port.getMacAddress().getValue());
consumer.accept(identifier, subnetToDhcpPort);
} catch (Exception e) {
LOG.error("Failure while creating SubnetToDhcpPort map for network {}.", port.getNetworkId(), e);
}
}
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