Examples with NeighbourMessageContext org.onosproject.net.neighbour.NeighbourMessageContext used on opensource projects

Example 1 with NeighbourMessageContext

use of org.onosproject.net.neighbour.NeighbourMessageContext in project trellis-control by opennetworkinglab.

the class ArpHandler method validateArpSpa.

/**
 * Check if the source protocol address of an ARP packet belongs to the same
 * subnet configured on the port it is seen.
 *
 * @param pkt ARP packet and context information
 * @return true if the source protocol address belongs to the configured subnet
 */
private boolean validateArpSpa(NeighbourMessageContext pkt) {
    Ip4Address spa = pkt.sender().getIp4Address();
    Set<IpPrefix> subnet = config.getPortSubnets(pkt.inPort().deviceId(), pkt.inPort().port()).stream().filter(ipPrefix -> ipPrefix.isIp4() && ipPrefix.contains(spa)).collect(Collectors.toSet());
    return !subnet.isEmpty();
}

Example 2 with NeighbourMessageContext

use of org.onosproject.net.neighbour.NeighbourMessageContext in project onos by opennetworkinglab.

the class VplsNeighbourHandler method handleRequest.

/**
 * Handles request messages.
 *
 * @param context the message context
 */
protected void handleRequest(NeighbourMessageContext context) {
    // Find target VPLS first, then broadcast to all interface of this VPLS
    VplsData vplsData = findVpls(context);
    if (vplsData != null) {
        vplsData.interfaces().stream().filter(intf -> !context.inPort().equals(intf.connectPoint())).forEach(context::forward);
    } else {
        log.warn(CAN_NOT_FIND_VPLS, context.inPort(), context.vlan());
        context.drop();
    }
}

Example 3 with NeighbourMessageContext

use of org.onosproject.net.neighbour.NeighbourMessageContext in project onos by opennetworkinglab.

the class NeighbourResolutionManager method handlePacket.

private void handlePacket(PacketContext context) {
    InboundPacket pkt = context.inPacket();
    Ethernet ethPkt = pkt.parsed();
    NeighbourMessageContext msgContext = DefaultNeighbourMessageContext.createContext(ethPkt, pkt.receivedFrom(), actions);
    if (msgContext == null) {
        return;
    }
    if (handleMessage(msgContext)) {
        context.block();
    }
}

Example 4 with NeighbourMessageContext

use of org.onosproject.net.neighbour.NeighbourMessageContext in project trellis-control by opennetworkinglab.

the class SegmentRoutingNeighbourHandler method flood.

/*
     * Floods only on the port which have been configured with the subnet
     * of the target address. The in port is excluded.
     *
     * @param pkt the ndp/arp packet and context information
     */
protected void flood(NeighbourMessageContext pkt) {
    try {
        srManager.deviceConfiguration.getSubnetPortsMap(pkt.inPort().deviceId()).forEach((subnet, ports) -> {
            if (subnet.contains(pkt.target())) {
                ports.stream().filter(port -> port != pkt.inPort().port()).forEach(port -> {
                    ConnectPoint outPoint = new ConnectPoint(pkt.inPort().deviceId(), port);
                    pkt.forward(outPoint);
                });
            }
        });
    } catch (DeviceConfigNotFoundException e) {
        log.warn(e.getMessage() + " Cannot flood in subnet as device config not available" + " for device: " + pkt.inPort().deviceId());
    }
}

Example 5 with NeighbourMessageContext

use of org.onosproject.net.neighbour.NeighbourMessageContext in project trellis-control by opennetworkinglab.

the class IcmpHandler method isNdpForGateway.

/**
 * Utility to verify if the ND are for the gateway.
 *
 * @param pkt the ndp packet
 * @return true if the ndp is for the gateway. False otherwise
 */
private boolean isNdpForGateway(NeighbourMessageContext pkt) {
    DeviceId deviceId = pkt.inPort().deviceId();
    Set<IpAddress> gatewayIpAddresses = null;
    try {
        if (pkt.target().equals(config.getRouterIpv6(deviceId))) {
            return true;
        }
        gatewayIpAddresses = config.getPortIPs(deviceId);
    } catch (DeviceConfigNotFoundException e) {
        log.warn(e.getMessage() + " Aborting check for router IP in processing ndp");
        return false;
    }
    return gatewayIpAddresses != null && gatewayIpAddresses.stream().filter(IpAddress::isIp6).anyMatch(gatewayIp -> gatewayIp.equals(pkt.target()) || Arrays.equals(IPv6.getSolicitNodeAddress(gatewayIp.toOctets()), pkt.target().toOctets()));
}