Example usage for org.apache.commons.net.util SubnetUtils SubnetUtils

Introduction

In this page you can find the example usage for org.apache.commons.net.util SubnetUtils SubnetUtils.

Prototype

public SubnetUtils(String address, String mask) 

Source Link

Document

Constructor that takes a dotted decimal address and a dotted decimal mask.

Usage

From source file:com.eislab.af.translator.Translator_hub_i.java

private static String findOutgoingIpForGivenAdress(String remoteIP) {

    if (System.getProperty("os.name").contains("Windows")) {
        final String COMMAND = "route print -4";
        List<RouteInfo> routes = new ArrayList<>();
        try {/*from  ww  w .  j a v  a 2  s.  c o  m*/
            Process exec = Runtime.getRuntime().exec(COMMAND);
            BufferedReader reader = new BufferedReader(new InputStreamReader(exec.getInputStream()));

            System.out.println(System.getProperty("os.name"));
            String line;
            /* examples:
              0.0.0.0          0.0.0.0     10.172.180.1    10.172.180.36     20
              0.0.0.0          0.0.0.0      10.187.20.1    10.187.20.225     25
               10.172.180.0    255.255.255.0         On-link     10.172.180.36    276
              10.172.180.36  255.255.255.255         On-link     10.172.180.36    276
            */
            Pattern p = Pattern.compile(
                    "^\\s*(\\d+\\.\\d+\\.\\d+\\.\\d+)\\s+(\\d+\\.\\d+\\.\\d+\\.\\d+)\\s+\\S+?\\s+(\\d+\\.\\d+\\.\\d+\\.\\d+)\\s+(\\d+)\\s*$");
            while ((line = reader.readLine()) != null) {
                Matcher match = p.matcher(line);
                if (match.matches()) {
                    String network = match.group(1);
                    String mask = match.group(2);
                    String address = match.group(3);
                    short maskLength = 0;
                    boolean networkMatch = network.contentEquals("0.0.0.0");

                    if (!networkMatch) {
                        SubnetUtils subnet = new SubnetUtils(network, mask);
                        SubnetUtils.SubnetInfo info = subnet.getInfo();
                        networkMatch = info.isInRange(remoteIP);
                        maskLength = Short.valueOf(info.getCidrSignature().split("/")[1]);
                    }

                    if (networkMatch) {
                        short metric = Short.valueOf(match.group(4));
                        routes.add(new RouteInfo(address, (short) 0, maskLength, metric));
                    }

                }
            }
            Collections.sort(routes);
            for (RouteInfo route : routes) {
            }

            if (!routes.isEmpty())
                return routes.get(0).source;

        } catch (Exception ex) {
            ex.printStackTrace();
        }
    } else if (System.getProperty("os.name").contains("Linux")) {

        List<RouteInfo> routes = new ArrayList<>();
        try {
            //ipv6 ^(.+)/(\d+)\s+(.+)\s(\d+)\s+(\d+)\s+(\d)\s+(.+)$
            //ipv4 ^\s+inet\s\addr:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+Bcast:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+Mask:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$
            //linux route get command parsing: ipv4 ^.*via.*\s+dev\s+.*\s+src\s((?:[0-9\.]{1,3})+)
            //linux route get comand parsing: ipv6 ^.*\sfrom\s::\svia.*\sdev\s.*\ssrc\s((?:[:]{1,2}|[0-9|a|b|c|d|e|f]{1,4})+)
            //final String COMMAND = "/sbin/ifconfig";
            final String COMMAND = "ip route get " + remoteIP;

            Process exec = Runtime.getRuntime().exec(COMMAND);
            BufferedReader reader = new BufferedReader(new InputStreamReader(exec.getInputStream()));

            System.out.println(System.getProperty("os.name"));
            String line;
            /* examples:
             * 10.10.2.130 via 10.0.2.2 dev eth0  src 10.0.2.255
            */
            Pattern p = Pattern.compile("^.*via.*\\s+dev\\s+.*\\s+src\\s((?:[0-9|\\.]{1,3})+)");

            while ((line = reader.readLine()) != null) {
                Matcher match = p.matcher(line);
                if (match.matches()) {

                    String address = match.group(1);

                    routes.add(new RouteInfo(address, (short) 0, (short) 0, (short) 0));//metric is always 0, because we do not extract it from the ifconfig command.

                }
            }
            Collections.sort(routes);

            if (!routes.isEmpty())
                return routes.get(0).source;

        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    return null;
}

---

From source file:com.vmware.photon.controller.deployer.dcp.workflow.CreateManagementVmWorkflowService.java

/**
 * Creates the template for cloud init's user-data file that is later on used by {@link CreateIsoTaskService}.
 *
 * @param currentState/*from   w  ww .j a va  2 s  . c  o m*/
 * @param hostState    Supplies the {@link HostService.State} object.
 * @return
 * @throws IOException
 */
private CreateIsoTaskService.FileTemplate createCloudInitUserDataTemplate(State currentState,
        HostService.State hostState) {

    CreateIsoTaskService.FileTemplate template = new CreateIsoTaskService.FileTemplate();
    template.parameters = new HashMap();

    DeployerContext deployerContext = HostUtils.getDeployerContext(this);
    template.filePath = Paths.get(deployerContext.getScriptDirectory(), "user-data.template").toString();

    String gateway = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_GATEWAY);
    template.parameters.put("$GATEWAY", gateway);

    String ip = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_IP);
    String netMask = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_NETMASK);
    template.parameters.put("$ADDRESS", new SubnetUtils(ip, netMask).getInfo().getCidrSignature());

    String dnsList = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_DNS_SERVER);
    StringBuilder dnsServerBuilder = new StringBuilder();
    if (!Strings.isNullOrEmpty(dnsList)) {
        for (String dnsServer : dnsList.split(",")) {
            dnsServerBuilder.append("DNS=");
            dnsServerBuilder.append(dnsServer);
            dnsServerBuilder.append("\n");
        }
    }
    template.parameters.put("$DNS", dnsServerBuilder.toString());
    template.parameters.put("$NTP", currentState.ntpEndpoint);
    return template;
}

---

From source file:com.vmware.photon.controller.deployer.xenon.task.CreateDhcpVmTaskService.java

private void processConfigIso(State currentState, VmService.State vmState, HostService.State hostState)
        throws Throwable {

    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_GATEWAY));
    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_IP));
    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_NETMASK));
    checkState(//from w w w  .  ja va2  s.co  m
            hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_DNS_SERVER));

    String gateway = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_GATEWAY);
    String ipAddress = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_IP);
    String netmask = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_NETMASK);
    String dnsEndpointList = hostState.metadata
            .get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_DNS_SERVER);
    if (!Strings.isNullOrEmpty(dnsEndpointList)) {
        dnsEndpointList = Stream.of(dnsEndpointList.split(",")).map((dnsServer) -> "DNS=" + dnsServer + "\n")
                .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append).toString();
    }

    DeployerContext deployerContext = HostUtils.getDeployerContext(this);
    String scriptDirectory = deployerContext.getScriptDirectory();

    String userDataConfigFileContent = new String(
            Files.readAllBytes(Paths.get(scriptDirectory, "user-data.template")), StandardCharsets.UTF_8)
                    .replace("$GATEWAY", gateway)
                    .replace("$ADDRESS", new SubnetUtils(ipAddress, netmask).getInfo().getCidrSignature())
                    .replace("$DNS", dnsEndpointList);

    if (currentState.ntpEndpoint != null) {
        userDataConfigFileContent = userDataConfigFileContent.replace("$NTP", currentState.ntpEndpoint);
    }

    String metadataConfigFileContent = new String(
            Files.readAllBytes(Paths.get(scriptDirectory, "meta-data.template")), StandardCharsets.UTF_8)
                    .replace("$INSTANCE_ID", vmState.name).replace("$LOCAL_HOSTNAME", vmState.name);

    Path vmConfigDirectoryPath = Files.createTempDirectory("iso-" + currentState.vmId).toAbsolutePath();
    Path userDataConfigFilePath = vmConfigDirectoryPath.resolve("user-data.yml");
    Files.write(userDataConfigFilePath, userDataConfigFileContent.getBytes(StandardCharsets.UTF_8));
    Path metadataConfigFilePath = vmConfigDirectoryPath.resolve("meta-data.yml");
    Files.write(metadataConfigFilePath, metadataConfigFileContent.getBytes(StandardCharsets.UTF_8));
    Path isoFilePath = vmConfigDirectoryPath.resolve("config.iso");

    List<String> command = new ArrayList<>();
    command.add("./" + SCRIPT_NAME);
    command.add(isoFilePath.toAbsolutePath().toString());
    command.add(userDataConfigFilePath.toAbsolutePath().toString());
    command.add(metadataConfigFilePath.toAbsolutePath().toString());
    command.add(currentState.serviceConfigDirectory);

    File scriptLogFile = new File(deployerContext.getScriptLogDirectory(), SCRIPT_NAME + "-" + vmState.vmId
            + "-" + ServiceUtils.getIDFromDocumentSelfLink(currentState.documentSelfLink) + ".log");

    ScriptRunner scriptRunner = new ScriptRunner.Builder(command, deployerContext.getScriptTimeoutSec())
            .directory(deployerContext.getScriptDirectory())
            .redirectOutput(ProcessBuilder.Redirect.to(scriptLogFile)).build();

    ListenableFutureTask<Integer> futureTask = ListenableFutureTask.create(scriptRunner);
    HostUtils.getListeningExecutorService(this).submit(futureTask);
    Futures.addCallback(futureTask, new FutureCallback<Integer>() {
        @Override
        public void onSuccess(@javax.validation.constraints.NotNull Integer result) {
            try {
                if (result != 0) {
                    logScriptErrorAndFail(currentState, result, scriptLogFile);
                } else {
                    State patchState = buildPatch(TaskState.TaskStage.STARTED, TaskState.SubStage.ATTACH_ISO,
                            null);
                    patchState.vmConfigDirectory = vmConfigDirectoryPath.toAbsolutePath().toString();
                    TaskUtils.sendSelfPatch(CreateDhcpVmTaskService.this, patchState);
                }
            } catch (Throwable t) {
                failTask(t);
            }
        }

        @Override
        public void onFailure(Throwable throwable) {
            failTask(throwable);
        }
    });
}

---

From source file:com.vmware.photon.controller.deployer.xenon.task.CreateManagementVmTaskService.java

private void processConfigIso(State currentState, VmService.State vmState, HostService.State hostState)
        throws Throwable {

    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_GATEWAY));
    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_IP));
    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_NETMASK));
    checkState(//from ww  w  .jav a 2 s.  co  m
            hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_DNS_SERVER));

    String gateway = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_GATEWAY);
    String ipAddress = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_IP);
    String netmask = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_NETMASK);
    String dnsEndpointList = hostState.metadata
            .get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_DNS_SERVER);
    String allowedServices = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_ALLOWED_SERVICES);

    if (!Strings.isNullOrEmpty(dnsEndpointList)) {
        dnsEndpointList = Stream.of(dnsEndpointList.split(",")).map((dnsServer) -> "DNS=" + dnsServer + "\n")
                .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append).toString();
    }

    DeployerContext deployerContext = HostUtils.getDeployerContext(this);
    String scriptDirectory = deployerContext.getScriptDirectory();

    String domainName = DOMAIN_NAME;
    if (currentState.oAuthTenantName != null) {
        domainName = currentState.oAuthTenantName;
    }

    String userDataConfigFileContent = new String(
            Files.readAllBytes(Paths.get(scriptDirectory, "user-data.template")), StandardCharsets.UTF_8)
                    .replace("$GATEWAY", gateway)
                    .replace("$ADDRESS", new SubnetUtils(ipAddress, netmask).getInfo().getCidrSignature())
                    .replace("$DOMAIN_NAME", domainName);

    if (currentState.ntpEndpoint != null) {
        userDataConfigFileContent = userDataConfigFileContent.replace("$NTP", currentState.ntpEndpoint);
    }

    // If auth is enabled and this VM is the lightwave server, then set dns to its own address and add domain name.
    // If auth is enabled and this VM is not the lightwave server, then set dns to lightwave VM address and add
    // domain name.
    // If auth is not enabled, then use the default dns server, don't set domain.
    if (currentState.isAuthEnabled && vmState.ipAddress.equals(currentState.oAuthServerAddress)) {
        userDataConfigFileContent = userDataConfigFileContent.replace("$DNS", "DNS=" + vmState.ipAddress)
                .replace("$DOMAINS", "Domains=" + domainName);
    } else if (currentState.isAuthEnabled) {
        userDataConfigFileContent = userDataConfigFileContent
                .replace("$DNS", "DNS=" + currentState.oAuthServerAddress)
                .replace("$DOMAINS", "Domains=" + domainName);
    } else {
        userDataConfigFileContent = userDataConfigFileContent.replace("$DNS", dnsEndpointList)
                .replace("\n        $DOMAINS", "");
    }

    String metadataConfigFileContent = new String(
            Files.readAllBytes(Paths.get(scriptDirectory, "meta-data.template")), StandardCharsets.UTF_8)
                    .replace("$INSTANCE_ID", vmState.name).replace("$LOCAL_HOSTNAME", vmState.name);

    Path vmConfigDirectoryPath = Files.createTempDirectory("iso-" + currentState.vmId).toAbsolutePath();
    Path userDataConfigFilePath = vmConfigDirectoryPath.resolve("user-data.yml");
    Files.write(userDataConfigFilePath, userDataConfigFileContent.getBytes(StandardCharsets.UTF_8));
    Path metadataConfigFilePath = vmConfigDirectoryPath.resolve("meta-data.yml");
    Files.write(metadataConfigFilePath, metadataConfigFileContent.getBytes(StandardCharsets.UTF_8));
    Path isoFilePath = vmConfigDirectoryPath.resolve("config.iso");

    List<String> command = new ArrayList<>();
    command.add("./" + SCRIPT_NAME);
    command.add(isoFilePath.toAbsolutePath().toString());
    command.add(userDataConfigFilePath.toAbsolutePath().toString());
    command.add(metadataConfigFilePath.toAbsolutePath().toString());
    command.add(currentState.serviceConfigDirectory);

    File scriptLogFile = new File(deployerContext.getScriptLogDirectory(), SCRIPT_NAME + "-" + vmState.vmId
            + "-" + ServiceUtils.getIDFromDocumentSelfLink(currentState.documentSelfLink) + ".log");

    ScriptRunner scriptRunner = new ScriptRunner.Builder(command, deployerContext.getScriptTimeoutSec())
            .directory(deployerContext.getScriptDirectory())
            .redirectOutput(ProcessBuilder.Redirect.to(scriptLogFile)).build();

    ListenableFutureTask<Integer> futureTask = ListenableFutureTask.create(scriptRunner);
    HostUtils.getListeningExecutorService(this).submit(futureTask);
    Futures.addCallback(futureTask, new FutureCallback<Integer>() {
        @Override
        public void onSuccess(@javax.validation.constraints.NotNull Integer result) {
            try {
                if (result != 0) {
                    logScriptErrorAndFail(currentState, result, scriptLogFile);
                } else {
                    State patchState = buildPatch(TaskState.TaskStage.STARTED, TaskState.SubStage.ATTACH_ISO,
                            null);
                    patchState.vmConfigDirectory = vmConfigDirectoryPath.toAbsolutePath().toString();
                    TaskUtils.sendSelfPatch(CreateManagementVmTaskService.this, patchState);
                }
            } catch (Throwable t) {
                failTask(t);
            }
        }

        @Override
        public void onFailure(Throwable throwable) {
            failTask(throwable);
        }
    });
}

---

From source file:com.vmware.photon.controller.deployer.dcp.task.CreateManagementVmTaskService.java

private void processConfigIso(State currentState, VmService.State vmState, HostService.State hostState)
        throws Throwable {

    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_GATEWAY));
    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_IP));
    checkState(hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_NETMASK));
    checkState(/*from w  ww . ja  va 2 s . co  m*/
            hostState.metadata.containsKey(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_DNS_SERVER));

    String gateway = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_GATEWAY);
    String ipAddress = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_IP);
    String netmask = hostState.metadata.get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_NETMASK);
    String dnsEndpointList = hostState.metadata
            .get(HostService.State.METADATA_KEY_NAME_MANAGEMENT_NETWORK_DNS_SERVER);
    if (!Strings.isNullOrEmpty(dnsEndpointList)) {
        dnsEndpointList = Stream.of(dnsEndpointList.split(",")).map((dnsServer) -> "DNS=" + dnsServer + "\n")
                .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append).toString();
    }

    DeployerContext deployerContext = HostUtils.getDeployerContext(this);
    String scriptDirectory = deployerContext.getScriptDirectory();

    String userDataConfigFileContent = new String(
            Files.readAllBytes(Paths.get(scriptDirectory, "user-data.template")), StandardCharsets.UTF_8)
                    .replace("$GATEWAY", gateway)
                    .replace("$ADDRESS", new SubnetUtils(ipAddress, netmask).getInfo().getCidrSignature())
                    .replace("$DNS", dnsEndpointList);

    if (currentState.ntpEndpoint != null) {
        userDataConfigFileContent = userDataConfigFileContent.replace("$NTP", currentState.ntpEndpoint);
    }

    String metadataConfigFileContent = new String(
            Files.readAllBytes(Paths.get(scriptDirectory, "meta-data.template")), StandardCharsets.UTF_8)
                    .replace("$INSTANCE_ID", vmState.name).replace("$LOCAL_HOSTNAME", vmState.name);

    Path vmConfigDirectoryPath = Files.createTempDirectory("iso-" + currentState.vmId).toAbsolutePath();
    Path userDataConfigFilePath = vmConfigDirectoryPath.resolve("user-data.yml");
    Files.write(userDataConfigFilePath, userDataConfigFileContent.getBytes(StandardCharsets.UTF_8));
    Path metadataConfigFilePath = vmConfigDirectoryPath.resolve("meta-data.yml");
    Files.write(metadataConfigFilePath, metadataConfigFileContent.getBytes(StandardCharsets.UTF_8));
    Path isoFilePath = vmConfigDirectoryPath.resolve("config.iso");

    List<String> command = new ArrayList<>();
    command.add("./" + SCRIPT_NAME);
    command.add(isoFilePath.toAbsolutePath().toString());
    command.add(userDataConfigFilePath.toAbsolutePath().toString());
    command.add(metadataConfigFilePath.toAbsolutePath().toString());
    command.add(currentState.serviceConfigDirectory);

    File scriptLogFile = new File(deployerContext.getScriptLogDirectory(), SCRIPT_NAME + "-" + vmState.vmId
            + "-" + ServiceUtils.getIDFromDocumentSelfLink(currentState.documentSelfLink) + ".log");

    ScriptRunner scriptRunner = new ScriptRunner.Builder(command, deployerContext.getScriptTimeoutSec())
            .directory(deployerContext.getScriptDirectory())
            .redirectOutput(ProcessBuilder.Redirect.to(scriptLogFile)).build();

    ListenableFutureTask<Integer> futureTask = ListenableFutureTask.create(scriptRunner);
    HostUtils.getListeningExecutorService(this).submit(futureTask);
    Futures.addCallback(futureTask, new FutureCallback<Integer>() {
        @Override
        public void onSuccess(@javax.validation.constraints.NotNull Integer result) {
            try {
                if (result != 0) {
                    logScriptErrorAndFail(currentState, result, scriptLogFile);
                } else {
                    State patchState = buildPatch(TaskState.TaskStage.STARTED, TaskState.SubStage.ATTACH_ISO,
                            null);
                    patchState.vmConfigDirectory = vmConfigDirectoryPath.toAbsolutePath().toString();
                    TaskUtils.sendSelfPatch(CreateManagementVmTaskService.this, patchState);
                }
            } catch (Throwable t) {
                failTask(t);
            }
        }

        @Override
        public void onFailure(Throwable throwable) {
            failTask(throwable);
        }
    });
}

---

From source file:org.apache.sling.discovery.base.connectors.ping.wl.SubnetWhitelistEntry.java

public SubnetWhitelistEntry(String ip, String subnetMask) {
    subnetInfo = new SubnetUtils(ip, subnetMask).getInfo();
}

---

From source file:org.cloudsimulator.controller.LocalNetworkController.java

public LocalNetworkController(final LocalNetwork localNetwork) {
    super();/*from   w  ww  .j  a  v  a 2s .com*/
    SubnetUtils subNetUtils = new SubnetUtils(localNetwork.getHasIPAddress(),
            localNetwork.getHasSubNetworkMask());
    SubnetInfo subNetInfo = subNetUtils.getInfo();
    this.allAddresses = subNetInfo.getAllAddresses();
    this.addressCount = subNetInfo.getAddressCount();
    this.localNetwork = localNetwork;
}

---

From source file:org.csstudio.domain.common.net.GatewayUtil.java

public static List<SubnetUtils> getControlSubnets() {
    final ArrayList<SubnetUtils> controlSubnetsList = new ArrayList<SubnetUtils>();
    final List<String> controlSubnets = ControlSubnetPreference.getControlSubnets();
    for (final String string : controlSubnets) {
        final String[] split = string.split("/");
        if (split.length == 2) {
            controlSubnetsList.add(new SubnetUtils(split[0], split[1]));
        }//w w  w  .  j  a  v  a  2 s  . c  o  m
    }
    return controlSubnetsList;
}

---

From source file:org.hkfree.topoagent.module.protocol.NetBIOSScheduleCrate.java

@Override
public void execute(final JobExecutionContext jec)
        throws JobExecutionException, ConcurrentModificationException {
    Core core = (Core) jec.getJobDetail().getJobDataMap().get("core");
    Probe probe = (Probe) jec.getJobDetail().getJobDataMap().get("probe");

    byte[] mask = core.getNetworkManager().getActiveDeviceNetmaskAsByte();

    SubnetUtils su = new SubnetUtils(core.getNetworkManager().getActiveDeviceIPasString(),
            FormatUtils.ip(mask));/*w  w w .j a  v a  2s. co m*/
    SubnetInfo info = su.getInfo();

    for (String ip : info.getAllAddresses()) {
        ((NetBIOSProbeService) probe.getProbeService()).GetNetBIOSName(ip);
    }

}

---

From source file:org.opendaylight.opendove.odmc.OpenDoveSubnet.java

public boolean containsAddress(String ip) {
    try {// www. j a  va 2s  .c  o  m
        SubnetUtils util = new SubnetUtils(subnet, mask);
        SubnetInfo info = util.getInfo();
        return info.isInRange(ip);
    } catch (Exception e) {
        return false;
    }
}

---

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