How to use

setNicDevId

method

in

com.cloud.agent.api.to.IpAddressTO

protected void setNicDevIdIfCorrectVifIsNotNull(final Connection conn, final IpAddressTO ip, final VIF correctVif)
    throws InternalErrorException, BadServerResponse, XenAPIException, XmlRpcException {
  if (correctVif == null) {
    if (ip.isAdd()) {
      throw new InternalErrorException("Failed to find DomR VIF to associate IP with.");
    } else {
      s_logger.debug("VIF to deassociate IP with does not exist, return success");
    }
  } else {
    ip.setNicDevId(Integer.valueOf(correctVif.getDevice(conn)));
  }
}

protected ExecutionResult prepareNetworkElementCommand(final SetSourceNatCommand cmd) {
  final Connection conn = getConnection();
  final String routerName = cmd.getAccessDetail(NetworkElementCommand.ROUTER_NAME);
  final IpAddressTO pubIp = cmd.getIpAddress();
  try {
    final VM router = getVM(conn, routerName);
    final VIF correctVif = getCorrectVif(conn, router, pubIp);
    pubIp.setNicDevId(Integer.valueOf(correctVif.getDevice(conn)));
  } catch (final Exception e) {
    final String msg = "Ip SNAT failure due to " + e.toString();
    s_logger.error(msg, e);
    return new ExecutionResult(false, msg);
  }
  return new ExecutionResult(true, null);
}

protected ExecutionResult prepareNetworkElementCommand(final SetSourceNatCommand cmd) {
  final String routerName = cmd.getAccessDetail(NetworkElementCommand.ROUTER_NAME);
  final IpAddressTO pubIp = cmd.getIpAddress();
  try {
    final String broadcastUri = pubIp.getBroadcastUri();
    final String vlanId = BroadcastDomainType.getValue(broadcastUri);
    final int ethDeviceNum = getVmNics(routerName, vlanId);
    if (ethDeviceNum > 0) {
      pubIp.setNicDevId(ethDeviceNum);
    } else {
      return new ExecutionResult(false, "Prepare Ip SNAT failed due to unable to find the nic");
    }
  } catch (final Exception e) {
    final String msg = "Prepare Ip SNAT failure due to " + e.toString();
    s_logger.error(msg, e);
    return new ExecutionResult(false, e.toString());
  }
  return new ExecutionResult(true, null);
}

protected ExecutionResult prepareNetworkElementCommand(final IpAssocVpcCommand cmd) {
  Connect conn;
  final String routerName = cmd.getAccessDetail(NetworkElementCommand.ROUTER_NAME);
  try {
    conn = getLibvirtUtilitiesHelper().getConnectionByVmName(routerName);
    final IpAddressTO[] ips = cmd.getIpAddresses();
    Integer devNum = 0;
    final List<InterfaceDef> pluggedNics = getInterfaces(conn, routerName);
    final Map<String, Integer> macAddressToNicNum = new HashMap<>(pluggedNics.size());
    for (final InterfaceDef pluggedNic : pluggedNics) {
      final String pluggedVlan = pluggedNic.getBrName();
      macAddressToNicNum.put(pluggedNic.getMacAddress(), devNum);
      devNum++;
    }
    for (final IpAddressTO ip : ips) {
      ip.setNicDevId(macAddressToNicNum.get(ip.getVifMacAddress()));
    }
    return new ExecutionResult(true, null);
  } catch (final LibvirtException e) {
    s_logger.error("Ip Assoc failure on applying one ip due to exception:  ", e);
    return new ExecutionResult(false, e.getMessage());
  }
}

  private ExecutionResult prepNetBoth(String routerName, IpAddressTO[] ips, String type) {
    Xen xen = new Xen(c);
    try {
      Xen.Vm vm = xen.getVmConfig(routerName);
      for (IpAddressTO ip : ips) {
        Integer devId = vm.getVifIdByMac(ip.getVifMacAddress());
        if (devId < 0 && "IpAssocVpcCommand".equals(type)) {
          String msg = "No valid Nic devId found for " + vm.getVmName()
              + " with " + ip.getVifMacAddress();
          logger.error(msg);
          return new ExecutionResult(false, msg);
        } else if (devId < 0 && "IpAssocCommand".equals(type)) {
          // vm.get
          String msg = "No valid Nic devId found for " + vm.getVmName()
              + " with " + ip.getVifMacAddress() + " "
              + " Ignoring for now (routervm)";
          logger.debug(msg);
          devId=2;
        }
        ip.setNicDevId(devId);
      }
    } catch (Exception e) {
      String msg = type + " failure on applying one ip due to exception:  " + e;
      logger.error(msg);
      return new ExecutionResult(false, msg);
    }
    return new ExecutionResult(true, null);
  }
}

pubIP.setNicDevId(devNum);

networkUsage(routerIp, "addVif", "eth" + nicNum);
ip.setNicDevId(nicNum);
ip.setNewNic(newNic);

private ExecutionResult prepareNetworkElementCommand(final IpAssocVpcCommand cmd) {
  final String routerName = cmd.getAccessDetail(NetworkElementCommand.ROUTER_NAME);
  try {
    final IpAddressTO[] ips = cmd.getIpAddresses();
    for (final IpAddressTO ip : ips) {
      final URI broadcastUri = BroadcastDomainType.fromString(ip.getBroadcastUri());
      if (BroadcastDomainType.getSchemeValue(broadcastUri) != BroadcastDomainType.Vlan) {
        throw new InternalErrorException("Invalid Broadcast URI " + ip.getBroadcastUri());
      }
      final String vlanId = BroadcastDomainType.getValue(broadcastUri);
      int publicNicInfo = -1;
      publicNicInfo = getVmNics(routerName, vlanId);
      if (publicNicInfo < 0) {
        if (ip.isAdd()) {
          throw new InternalErrorException("Failed to find DomR VIF to associate/disassociate IP with.");
        } else {
          s_logger.debug("VIF to deassociate IP with does not exist, return success");
          continue;
        }
      }
      ip.setNicDevId(publicNicInfo);
    }
  } catch (final Exception e) {
    s_logger.error("Prepare Ip Assoc failure on applying one ip due to exception:  ", e);
    return new ExecutionResult(false, e.toString());
  }
  return new ExecutionResult(true, null);
}

    throw new InternalErrorException(msg);
  ip.setNicDevId(publicNicInfo);
  ip.setNewNic(addVif);
} else {
  ip.setNicDevId(publicNicInfo);

ip.setNicDevId(Integer.valueOf(correctVif.getDevice(conn)));
ip.setNewNic(addVif);