if (vlans == null) {
s_logger.debug("Cannot find related vlan attached to network " + networkId);
return null;
}
String ip = null;
Vlan ipVlan = null;
if (requestedIp6 == null) {
if (!_networkModel.isIP6AddressAvailableInNetwork(networkId)) {
throw new InsufficientAddressCapacityException("There is no more address available in the network " + network.getName(), DataCenter.class, network.getDataCenterId());
}
for (Vlan vlan : vlans) {
if (!_networkModel.isIP6AddressAvailableInVlan(vlan.getId())) {
continue;
}
ip = NetUtils.getIp6FromRange(vlan.getIp6Range());
int count = 0;
while (_ipv6Dao.findByNetworkIdAndIp(networkId, ip) != null) {
ip = NetUtils.getNextIp6InRange(ip, vlan.getIp6Range());
count ++;
// It's an arbitrate number to prevent the infinite loop
if (count > _ipv6RetryMax) {
ip = null;
break;
}
}
if (ip != null) {
ipVlan = vlan;
}
}
if (ip == null) {
throw new InsufficientAddressCapacityException("Cannot find a usable IP in the network " + network.getName() + " after " + _ipv6RetryMax + "(network.ipv6.search.retry.max) times retry!",
DataCenter.class, network.getDataCenterId());
}
} else {
for (Vlan vlan : vlans) {
if (NetUtils.isIp6InRange(requestedIp6, vlan.getIp6Range())) {
ipVlan = vlan;
break;
}
}
if (ipVlan == null) {
throw new CloudRuntimeException("Requested IPv6 is not in the predefined range!");
}
ip = requestedIp6;
if (_ipv6Dao.findByNetworkIdAndIp(networkId, ip) != null) {
throw new CloudRuntimeException("The requested IP is already taken!");
}
}
DataCenterVO dc = _dcDao.findById(dcId);
Long mac = dc.getMacAddress();
Long nextMac = mac + 1;
dc.setMacAddress(nextMac);
_dcDao.update(dc.getId(), dc);
String macAddress = NetUtils.long2Mac(NetUtils.createSequenceBasedMacAddress(mac));
UserIpv6AddressVO ipVO = new UserIpv6AddressVO(ip, dcId, macAddress, ipVlan.getId());
ipVO.setPhysicalNetworkId(network.getPhysicalNetworkId());
ipVO.setSourceNetworkId(networkId);
ipVO.setState(UserIpv6Address.State.Allocated);
ipVO.setDomainId(owner.getDomainId());
ipVO.setAccountId(owner.getAccountId());