Examples of com.xensource.xenapi.Network

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

        }


        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);
                plugDom0Vif(conn, dom0vif);
            } else {
                s_logger.debug("already have a vif on dom0 for link local network");
                if (!dom0vif.getCurrentlyAttached(conn)) {
                    plugDom0Vif(conn, dom0vif);
                }
            }


            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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        try {
            prepareISO(connection, vmSpec.getName());
            Map<String, String> other = new HashMap<String, String>();
            other.put("live", "true");
            Network networkForSm = getNativeNetworkForTraffic(connection, TrafficType.Storage, null).getNetwork();
            Host host = Host.getByUuid(connection, _host.uuid);
            Map<String, String> token = host.migrateReceive(connection, networkForSm, other);


            // Get the vm to migrate.
            Set<VM> vms = VM.getByNameLabel(connection, vmSpec.getName());

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            }


            // Get the list of networks to which the vifs will attach.
            Map<NicTO, Object> nicToNetwork = new HashMap<NicTO, Object>();
            for (NicTO nicTo : vmSpec.getNics()) {
                Network network = getNetwork(connection, nicTo);
                nicToNetwork.put(nicTo, network);
            }


            Map<String, String> other = new HashMap<String, String>();
            other.put("live", "true");
            Network network = getNativeNetworkForTraffic(connection, TrafficType.Storage, null).getNetwork();
            Host host = Host.getByUuid(connection, _host.uuid);
            Map<String, String> token = host.migrateReceive(connection, network, other);


            return new MigrateWithStorageReceiveAnswer(cmd, volumeToSr, nicToNetwork, token);
        } catch (CloudRuntimeException e) {

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            // Create the vif map.
            Map<VIF, Network> vifMap = new HashMap<VIF, Network>();
            for (Map.Entry<NicTO, Object> entry : nicToNetwork.entrySet()) {
                if (entry.getValue() instanceof Network) {
                    Network network = (Network)entry.getValue();
                    VIF vif = getVifByMac(connection, vmToMigrate, entry.getKey().getMac());
                    vifMap.put(vif, network);
                } else {
                    throw new CloudRuntimeException("The object " + entry.getValue() + " passed is not of type Network.");
                }

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    }


    private synchronized Network setupvSwitchNetwork(Connection conn) {
        try {
            if (_host.vswitchNetwork == null) {
                Network vswitchNw = null;
                Network.Record rec = new Network.Record();
                String nwName = Networks.BroadcastScheme.VSwitch.toString();
                Set<Network> networks = Network.getByNameLabel(conn, nwName);


                if (networks.size() == 0) {

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     * This method just creates a XenServer network following the tunnel network naming convention
     */
    private synchronized Network findOrCreateTunnelNetwork(Connection conn, long key) {
        try {
            String nwName = "OVSTunnel" + key;
            Network nw = null;
            Network.Record rec = new Network.Record();
            Set<Network> networks = Network.getByNameLabel(conn, nwName);


            if (networks.size() == 0) {
                rec.nameDescription = "tunnel network id# " + key;

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    /**
     * This method creates a XenServer network and configures it for being used as a L2-in-L3 tunneled network
     */
    private synchronized Network configureTunnelNetwork(Connection conn, long networkId, long hostId, int key) {
        try {
            Network nw = findOrCreateTunnelNetwork(conn, key);
            String nwName = "OVSTunnel" + key;
            //Invoke plugin to setup the bridge which will be used by this network
            String bridge = nw.getBridge(conn);
            Map<String,String> nwOtherConfig = nw.getOtherConfig(conn);
            String configuredHosts = nwOtherConfig.get("ovs-host-setup");
            boolean configured = false;
            if (configuredHosts!=null) {
                String hostIdsStr[] = configuredHosts.split(",");
                for (String hostIdStr:hostIdsStr) {
                    if (hostIdStr.equals(((Long)hostId).toString())) {
                        configured = true;
                        break;
                    }
                }
            }
            if (!configured) {
                // Plug dom0 vif only if not done before for network and host
                enableXenServerNetwork(conn, nw, nwName, "tunnel network for account " + key);
                String result = callHostPlugin(conn, "ovstunnel", "setup_ovs_bridge", "bridge", bridge,
                        "key", String.valueOf(key),
                        "xs_nw_uuid", nw.getUuid(conn),
                        "cs_host_id", ((Long)hostId).toString());
                //Note down the fact that the ovs bridge has been setup
                String[] res = result.split(":");
                if (res.length != 2 || !res[0].equalsIgnoreCase("SUCCESS")) {
                    //TODO: Should make this error not fatal?

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