Examples of com.xensource.xenapi.Network

com.xensource.xenapi.Network
A virtual network @author Citrix Systems, Inc.

            nic.setBroadcastType(BroadcastDomainType.Native);
        } else {
            nic.setBroadcastType(BroadcastDomainType.Vlan);
            nic.setBroadcastUri(BroadcastDomainType.Vlan.toUri(ip.getVlanId()));
        }
        Network network = getNetwork(conn, nic);
        // Determine the correct VIF on DomR to associate/disassociate the
        // IP address with
        Set<VIF> routerVIFs = router.getVIFs(conn);
        for (VIF vif : routerVIFs) {
            Network vifNetwork = vif.getNetwork(conn);
            if (vifNetwork.getUuid(conn).equals(network.getUuid(conn))) {
                return vif;
            }
        }
        return null;
    }

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        }


        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Found more than one network with the name " + name);
        }
        Network earliestNetwork = null;
        Network.Record earliestNetworkRecord = null;
        long earliestTimestamp = Long.MAX_VALUE;
        int earliestRandom = Integer.MAX_VALUE;
        for (Network network : networks) {
            XsLocalNetwork nic = new XsLocalNetwork(network);

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     * @return VLAN Network created.
     * @throws XenAPIException
     * @throws XmlRpcException
     */
    protected Network enableVlanNetwork(Connection conn, long tag, XsLocalNetwork network) throws XenAPIException, XmlRpcException {
        Network vlanNetwork = null;
        String oldName = "VLAN" + Long.toString(tag);
        String newName = "VLAN-" + network.getNetworkRecord(conn).uuid + "-" + tag;
        XsLocalNetwork vlanNic = getNetworkByName(conn, newName);
        if (vlanNic == null) {
            if (s_logger.isDebugEnabled()) {

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    private void setupLinkLocalNetwork(Connection conn) {
        try {
            Network.Record rec = new Network.Record();
            Set<Network> networks = Network.getByNameLabel(conn, _linkLocalPrivateNetworkName);
            Network linkLocal = null;


            if (networks.size() == 0) {
                rec.nameDescription = "link local network used by system vms";
                rec.nameLabel = _linkLocalPrivateNetworkName;
                Map<String, String> configs = new HashMap<String, String>();
                configs.put("ip_begin", NetUtils.getLinkLocalGateway());
                configs.put("ip_end", NetUtils.getLinkLocalIpEnd());
                configs.put("netmask", NetUtils.getLinkLocalNetMask());
                rec.otherConfig = configs;
                linkLocal = Network.create(conn, rec);


            } else {
                linkLocal = networks.iterator().next();
            }


            /* Make sure there is a physical bridge on this network */
            VIF dom0vif = null;
            Pair<VM, VM.Record> vm = getControlDomain(conn);
            VM dom0 = vm.first();
            Set<VIF> vifs = dom0.getVIFs(conn);
            if (vifs.size() != 0) {
                for (VIF vif : vifs) {
                    Map<String, String> otherConfig = vif.getOtherConfig(conn);
                    if (otherConfig != null) {
                        String nameLabel = otherConfig.get("nameLabel");
                        if ((nameLabel != null) && nameLabel.equalsIgnoreCase("link_local_network_vif")) {
                            dom0vif = vif;
                        }
                    }
                }
            }


            /* create temp VIF0 */
            if (dom0vif == null) {
                s_logger.debug("Can't find a vif on dom0 for link local, creating a new one");
                VIF.Record vifr = new VIF.Record();
                vifr.VM = dom0;
                vifr.device = getLowestAvailableVIFDeviceNum(conn, dom0);
                if (vifr.device == null) {
                    s_logger.debug("Failed to create link local network, no vif available");
                    return;
                }
                Map<String, String> config = new HashMap<String, String>();
                config.put("nameLabel", "link_local_network_vif");
                vifr.otherConfig = config;
                vifr.MAC = "FE:FF:FF:FF:FF:FF";
                vifr.network = linkLocal;
                vifr.lockingMode = Types.VifLockingMode.NETWORK_DEFAULT;
                dom0vif = VIF.create(conn, vifr);
                dom0vif.plug(conn);
            } else {
                s_logger.debug("already have a vif on dom0 for link local network");
                if (!dom0vif.getCurrentlyAttached(conn)) {
                    dom0vif.plug(conn);
                }
            }


            String brName = linkLocal.getBridge(conn);
            callHostPlugin(conn, "vmops", "setLinkLocalIP", "brName", brName);
            _host.linkLocalNetwork = linkLocal.getUuid(conn);


        } catch (XenAPIException e) {
            s_logger.warn("Unable to create local link network", e);
            throw new CloudRuntimeException("Unable to create local link network due to " + e.toString(), e);
        } catch (XmlRpcException e) {

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    }


    private Answer execute(OvsDestroyTunnelCommand cmd) {
        Connection conn = getConnection();
        try {
            Network nw = findOrCreateTunnelNetwork(conn, cmd.getNetworkId());
            if (nw == null) {
                s_logger.warn("Unable to find tunnel network for GRE key:" + cmd.getKey());
                return new Answer(cmd, false, "No network found");
            }


            String bridge = nw.getBridge(conn);
            String result = callHostPlugin(conn, "ovstunnel", "destroy_tunnel", "bridge", bridge, "in_port", cmd.getInPortName());
            if (result.equalsIgnoreCase("SUCCESS")) {
                return new Answer(cmd, true, result);
            } else {
                return new Answer(cmd, false, result);

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    private OvsCreateTunnelAnswer execute(OvsCreateTunnelCommand cmd) {
        Connection conn = getConnection();
        String bridge = "unknown";
        try {
            Network nw = findOrCreateTunnelNetwork(conn, cmd.getKey());
            if (nw == null) {
                s_logger.debug("Error during bridge setup");
                return new OvsCreateTunnelAnswer(cmd, false, "Cannot create network", bridge);
            }


            configureTunnelNetwork(conn, cmd.getNetworkId(), cmd.getFrom(), cmd.getKey());            
            bridge = nw.getBridge(conn);
            String result = callHostPlugin(conn, "ovstunnel", "create_tunnel", "bridge", bridge, "remote_ip", cmd.getRemoteIp(), 
                    "key", cmd.getKey().toString(), "from", cmd.getFrom().toString(), "to", cmd.getTo().toString());
            String[] res = result.split(":");
            if (res.length == 2 && res[0].equalsIgnoreCase("SUCCESS")) {
                return new OvsCreateTunnelAnswer(cmd, true, result, res[1], bridge);

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    private Answer execute(OvsDeleteFlowCommand cmd) {
        _isOvs = true;


        Connection conn = getConnection();
        try {
            Network nw = setupvSwitchNetwork(conn);
            String bridge = nw.getBridge(conn);
            String result = callHostPlugin(conn, "ovsgre", "ovs_delete_flow", "bridge", bridge,
                    "vmName", cmd.getVmName());


            if (result.equalsIgnoreCase("SUCCESS")) {
                return new Answer(cmd, true, "success to delete flows for " + cmd.getVmName());

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    private OvsSetTagAndFlowAnswer execute(OvsSetTagAndFlowCommand cmd) {
        _isOvs = true;


        Connection conn = getConnection();
        try {
            Network nw = setupvSwitchNetwork(conn);
            String bridge = nw.getBridge(conn);


            /*If VM is domainRouter, this will try to set flow and tag on its
             * none guest network nic. don't worry, it will fail silently at host
             * plugin side
             */

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        _isOvs = true;


        Connection conn = getConnection();
        String bridge = "unkonwn";
        try {
            Network nw = setupvSwitchNetwork(conn);
            bridge = nw.getBridge(conn);


            String result = callHostPlugin(conn, "ovsgre", "ovs_create_gre", "bridge", bridge,
                    "remoteIP", cmd.getRemoteIp(), "greKey", cmd.getKey(), "from",
                    Long.toString(cmd.getFrom()), "to", Long.toString(cmd.getTo()));
            String[] res = result.split(":");

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            NicTO nic = cmd.getNic();
            String mac = nic.getMac();
            VIF vif = getVifByMac(conn, vm, mac);
            if ( vif != null ) {
                vif.unplug(conn);
                Network network = vif.getNetwork(conn);
                vif.destroy(conn);
                try {
                    if (network.getNameLabel(conn).startsWith("VLAN")) {
                        disableVlanNetwork(conn, network);
                    }
                }  catch (Exception e) {
                }
            }

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