Package net.floodlightcontroller.linkdiscovery

Examples of net.floodlightcontroller.linkdiscovery.LinkInfo

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        Set<LinkWithType> returnLinkSet = new HashSet<LinkWithType>();

        if (ld != null) {
            links.putAll(ld.getLinks());
            for (Link link: links.keySet()) {
                LinkInfo info = links.get(link);
                LinkType type = ld.getLinkType(link, info);
                if (type == LinkType.DIRECT_LINK || type == LinkType.TUNNEL) {
                    LinkWithType lwt;

                    long src = link.getSrc();
                    long dst = link.getDst();
                    short srcPort = link.getSrcPort();
                    short dstPort = link.getDstPort();
                    Link otherLink = new Link(dst, dstPort, src, srcPort);
                    LinkInfo otherInfo = links.get(otherLink);
                    LinkType otherType = null;
                    if (otherInfo != null)
                        otherType = ld.getLinkType(otherLink, otherInfo);
                    if (otherType == LinkType.DIRECT_LINK ||
                            otherType == LinkType.TUNNEL) {
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        Set<LinkWithType> returnLinkSet = new HashSet<LinkWithType>();

        if (ld != null) {
            links.putAll(ld.getLinks());
            for (Link link: links.keySet()) {
                LinkInfo info = links.get(link);
                LinkType type = ld.getLinkType(link, info);
                if (type == LinkType.MULTIHOP_LINK) {
                    LinkWithType lwt;

                    long src = link.getSrc();
                    long dst = link.getDst();
                    short srcPort = link.getSrcPort();
                    short dstPort = link.getDstPort();
                    Link otherLink = new Link(dst, dstPort, src, srcPort);
                    LinkInfo otherInfo = links.get(otherLink);
                    LinkType otherType = null;
                    if (otherInfo != null)
                        otherType = ld.getLinkType(otherLink, otherInfo);
                    if (otherType == LinkType.MULTIHOP_LINK) {
                        // This is a bi-direcitonal link.
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        Set<LinkWithType> returnLinkSet = new HashSet<LinkWithType>();

        if (ld != null) {
            links.putAll(ld.getLinks());
            for (Link link: links.keySet()) {
                LinkInfo info = links.get(link);
                LinkType type = ld.getLinkType(link, info);
                if (type == LinkType.DIRECT_LINK || type == LinkType.TUNNEL) {
                    LinkWithType lwt = new LinkWithType(link,
                            type,LinkDirection.UNIDIRECTIONAL);
                    returnLinkSet.add(lwt);
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        // (Switch 4) --> (Switch 3) --> (Switch 2) --> (Switch 1)
        Map<Link, LinkInfo> links = new HashMap<Link, LinkInfo>();
        Link link = new Link(2L, (short) 3, 1L, (short) 1);
        Link link2 = new Link(3L, (short) 3, 2L, (short) 1);
        Link link3 = new Link(4L, (short) 3, 3L, (short) 1);
        LinkInfo linkinfo = null;
        links.put(link, linkinfo);
        links.put(link2, linkinfo);
        links.put(link3, linkinfo);

        // Make sure that the link discovery service provides the link we made
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        // (Switch 2 output port 3) --> (Switch 1 input port 1)
        Map<Link, LinkInfo> links = new HashMap<Link, LinkInfo>();
        Link link = new Link(2L, (short) 3, 1L, (short) 1);
        Link link2 = new Link(3L, (short) 3, 1L, (short) 1);
        Link link3 = new Link(4L, (short) 3, 1L, (short) 1);
        LinkInfo linkinfo = null;
        links.put(link, linkinfo);
        links.put(link2, linkinfo);
        links.put(link3, linkinfo);

        // Make sure that the link discovery service provides the link we made
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    }

    @Override
    public LinkInfo getLinkInfo(Link link) {
        lock.readLock().lock();
        LinkInfo linkInfo = links.get(link);
        LinkInfo retLinkInfo = null;
        if (linkInfo != null) {
            retLinkInfo  = new LinkInfo(linkInfo);
        }
        lock.readLock().unlock();
        return retLinkInfo;
    }
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        if (isStandard)
            lastLldpTime = System.currentTimeMillis();
        else
            lastBddpTime = System.currentTimeMillis();

        LinkInfo newLinkInfo = new LinkInfo(firstSeenTime, lastLldpTime,
                                            lastBddpTime);

        addOrUpdateLink(lt, newLinkInfo);

        // Check if reverse link exists.
        // If it doesn't exist and if the forward link was seen
        // first seen within a small interval, send probe on the
        // reverse link.
        newLinkInfo = links.get(lt);
        if (newLinkInfo != null && isStandard && isReverse == false) {
            Link reverseLink = new Link(lt.getDst(), lt.getDstPort(),
                                        lt.getSrc(), lt.getSrcPort());
            LinkInfo reverseInfo = links.get(reverseLink);
            if (reverseInfo == null) {
                // the reverse link does not exist.
                if (newLinkInfo.getFirstSeenTime() > System.currentTimeMillis()
                                                     - LINK_TIMEOUT) {
                    this.sendDiscoveryMessage(lt.getDst(), lt.getDstPort(),
                                              isStandard, true);
                }
            }
        }

        // If the received packet is a BDDP packet, then create a reverse BDDP
        // link as well.
        if (!isStandard) {
            Link reverseLink = new Link(lt.getDst(), lt.getDstPort(),
                                        lt.getSrc(), lt.getSrcPort());

            // srcPortState and dstPort state are reversed.
            LinkInfo reverseInfo = new LinkInfo(firstSeenTime, lastLldpTime,
                                                lastBddpTime);

            addOrUpdateLink(reverseLink, reverseInfo);
        }
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        boolean linkChanged = false;

        lock.writeLock().lock();
        try {
            // put the new info. if an old info exists, it will be returned.
            LinkInfo oldInfo = links.put(lt, newInfo);
            if (oldInfo != null
                    && oldInfo.getFirstSeenTime() < newInfo.getFirstSeenTime())
                newInfo.setFirstSeenTime(oldInfo.getFirstSeenTime());

            if (log.isTraceEnabled()) {
                log.trace("addOrUpdateLink: {} {}",
                          lt,
                          (newInfo.getMulticastValidTime() != null) ? "multicast"
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                    this.portLinks.get(dstNpt).remove(lt);
                    if (this.portLinks.get(dstNpt).isEmpty())
                                                             this.portLinks.remove(dstNpt);
                }

                LinkInfo info = this.links.remove(lt);
                LinkType linkType = getLinkType(lt, info);
                linkUpdateList.add(new LDUpdate(lt.getSrc(),
                                                lt.getSrcPort(),
                                                lt.getDst(),
                                                lt.getDstPort(),
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            Iterator<Entry<Link, LinkInfo>> it = this.links.entrySet()
                                                           .iterator();
            while (it.hasNext()) {
                Entry<Link, LinkInfo> entry = it.next();
                Link lt = entry.getKey();
                LinkInfo info = entry.getValue();

                // Timeout the unicast and multicast LLDP valid times
                // independently.
                if ((info.getUnicastValidTime() != null)
                    && (info.getUnicastValidTime()
                        + (this.LINK_TIMEOUT * 1000) < curTime)) {
                    info.setUnicastValidTime(null);
                    linkChanged = true;
                }
                if ((info.getMulticastValidTime() != null)
                    && (info.getMulticastValidTime()
                        + (this.LINK_TIMEOUT * 1000) < curTime)) {
                    info.setMulticastValidTime(null);
                    linkChanged = true;
                }
                // Add to the erase list only if the unicast
                // time is null.
                if (info.getUnicastValidTime() == null
                    && info.getMulticastValidTime() == null) {
                    eraseList.add(entry.getKey());
                } else if (linkChanged) {
                    updates.add(new LDUpdate(lt.getSrc(), lt.getSrcPort(),
                                             lt.getDst(), lt.getDstPort(),
                                             getLinkType(lt, info),
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Related Classes of net.floodlightcontroller.linkdiscovery.LinkInfo

  • net.floodlightcontroller.flowcache.PortDownReconciliationTest
  • net.floodlightcontroller.linkdiscovery.internal.LinkDiscoveryManager
  • net.floodlightcontroller.linkdiscovery.internal.LinkDiscoveryManagerTest
  • net.floodlightcontroller.linkdiscovery.web.DirectedLinksResource
  • net.floodlightcontroller.linkdiscovery.web.ExternalLinksResource
  • net.floodlightcontroller.linkdiscovery.web.LinksResource
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