Java IpPrefix.isIp4方法代码示例

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
/**
 * Finds a BGP route for a prefix. The prefix can be either IPv4 or IPv6.
 *
 * @param prefix the prefix to use
 * @return the BGP route if found, otherwise null
 */
BgpRouteEntry findBgpRoute(IpPrefix prefix) {
    if (prefix.isIp4()) {
        return bgpRoutes4.get(prefix.getIp4Prefix());               // IPv4
    }
    return bgpRoutes6.get(prefix.getIp6Prefix());                   // IPv6
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
/**
 * Removes a BGP route for a prefix. The prefix can be either IPv4 or IPv6.
 *
 * @param prefix the prefix to use
 * @return true if the route was found and removed, otherwise false
 */
boolean removeBgpRoute(IpPrefix prefix) {
    if (prefix.isIp4()) {
        return (bgpRoutes4.remove(prefix.getIp4Prefix()) != null);  // IPv4
    }
    return (bgpRoutes6.remove(prefix.getIp6Prefix()) != null);      // IPv6
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
/**
 * Finds a BGP routing entry for a prefix in the BGP RIB-IN. The prefix
 * can be either IPv4 or IPv6.
 *
 * @param prefix the IP prefix of the route to search for
 * @return the BGP routing entry if found, otherwise null
 */
public BgpRouteEntry findBgpRoute(IpPrefix prefix) {
    if (prefix.isIp4()) {
        // IPv4 prefix
        Ip4Prefix ip4Prefix = prefix.getIp4Prefix();
        return bgpRibIn4.get(ip4Prefix);
    }

    // IPv6 prefix
    Ip6Prefix ip6Prefix = prefix.getIp6Prefix();
    return bgpRibIn6.get(ip6Prefix);
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
/**
 * Removes a BGP route for a prefix. The prefix can be either IPv4 or IPv6.
 *
 * @param prefix the prefix to use
 * @return true if the route was found and removed, otherwise false
 */
boolean removeBgpRoute(IpPrefix prefix) {
    if (prefix.isIp4()) {
        return (bgpRibIn4.remove(prefix.getIp4Prefix()) != null);   // IPv4
    }
    return (bgpRibIn6.remove(prefix.getIp6Prefix()) != null);       // IPv6
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
/**
 * Finds a route in the RIB for a prefix. The prefix can be either IPv4 or
 * IPv6.
 *
 * @param prefix the prefix to use
 * @return the route if found, otherwise null
 */
RouteEntry findRibRoute(IpPrefix prefix) {
    String binaryString = createBinaryString(prefix);
    if (prefix.isIp4()) {
        // IPv4
        return ribTable4.getValueForExactKey(binaryString);
    }
    // IPv6
    return ribTable6.getValueForExactKey(binaryString);
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
/**
 * Removes a route for a prefix from the RIB. The prefix can be either IPv4
 * or IPv6.
 *
 * @param prefix the prefix to use
 * @return true if the route was found and removed, otherwise false
 */
boolean removeRibRoute(IpPrefix prefix) {
    if (prefix.isIp4()) {
        // IPv4
        return ribTable4.remove(createBinaryString(prefix));
    }
    // IPv6
    return ribTable6.remove(createBinaryString(prefix));
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
/**
 * MultiPointToSinglePointIntent builder.
 *
 * @param ipPrefix the ipPrefix to match
 * @param nextHopMacAddress to which the destination MAC address in packet
 * should be rewritten
 * @param egressPoint to which packets should be sent
 * @return the constructed MultiPointToSinglePointIntent
 */
private MultiPointToSinglePointIntent intentBuilder(IpPrefix ipPrefix,
        String nextHopMacAddress, ConnectPoint egressPoint) {

    TrafficSelector.Builder selectorBuilder =
            DefaultTrafficSelector.builder();
    if (ipPrefix.isIp4()) {
        selectorBuilder.matchEthType(Ethernet.TYPE_IPV4);
        selectorBuilder.matchIPDst(ipPrefix);
    } else {
        selectorBuilder.matchEthType(Ethernet.TYPE_IPV6);
        selectorBuilder.matchIPv6Dst(ipPrefix);
    }

    TrafficTreatment.Builder treatmentBuilder =
            DefaultTrafficTreatment.builder();
    treatmentBuilder.setEthDst(MacAddress.valueOf(nextHopMacAddress));

    Set<ConnectPoint> ingressPoints = new HashSet<>(connectPoints);
    ingressPoints.remove(egressPoint);

    MultiPointToSinglePointIntent intent =
            MultiPointToSinglePointIntent.builder()
                    .appId(APPID)
                    .key(Key.of(ipPrefix.toString(), APPID))
                    .selector(selectorBuilder.build())
                    .treatment(treatmentBuilder.build())
                    .ingressPoints(ingressPoints)
                    .egressPoint(egressPoint)
                    .build();
    return intent;
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
private int getPriorityFromPrefix(IpPrefix prefix) {
    return (prefix.isIp4()) ?
            2000 * prefix.prefixLength() + MIN_IP_PRIORITY :
            500 * prefix.prefixLength() + MIN_IP_PRIORITY;
}
 

import org.onlab.packet.IpPrefix; //导入方法依赖的package包/类
private int getPriorityFromPrefix(IpPrefix prefix) {
    return (prefix.isIp4()) ?
            2000 * prefix.prefixLength() + SegmentRoutingService.MIN_IP_PRIORITY :
            500 * prefix.prefixLength() + SegmentRoutingService.MIN_IP_PRIORITY;
}