/// <summary>
/// Supports managed resources disposal
/// </summary>
/// <param name="zoneName"></param>
private void UpdateSoaRecord(string zoneName)
{
// get existing SOA record in order to read serial number
try
{
//ManagementObject obj = GetWmiObject("MicrosoftDNS_Zone", "ContainerName = '{0}'", zoneName);
//ManagementObject objSoa = GetRelatedWmiObject(obj, "MicrosoftDNS_SOAType");
ManagementObject objSoa = wmi.GetWmiObject("MicrosoftDNS_SOAType", "ContainerName = '{0}'", RemoveTrailingDot(zoneName));
if (objSoa != null)
{
if (objSoa.Properties["OwnerName"].Value.Equals(zoneName))
{
string primaryServer = (string)objSoa.Properties["PrimaryServer"].Value;
string responsibleParty = (string)objSoa.Properties["ResponsibleParty"].Value;
UInt32 serialNumber = (UInt32)objSoa.Properties["SerialNumber"].Value;
// update record's serial number
string sn = serialNumber.ToString();
string todayDate = DateTime.Now.ToString("yyyyMMdd");
if (sn.Length < 10 || !sn.StartsWith(todayDate))
{
// build a new serial number
sn = todayDate + "01";
serialNumber = UInt32.Parse(sn);
}
else
{
// just increment serial number
serialNumber += 1;
}
// update SOA record
using (ManagementBaseObject methodParams = objSoa.GetMethodParameters("Modify"))
{
methodParams["ResponsibleParty"] = responsibleParty;
methodParams["PrimaryServer"] = primaryServer;
methodParams["SerialNumber"] = serialNumber;
methodParams["ExpireLimit"] = ExpireLimit;
methodParams["MinimumTTL"] = MinimumTTL;
methodParams["TTL"] = MinimumTTL;
methodParams["RefreshInterval"] = RefreshInterval;
methodParams["RetryDelay"] = RetryDelay;
ManagementBaseObject outParams = objSoa.InvokeMethod("Modify", methodParams, null);
}
//
objSoa.Dispose();
}
}
}
catch (Exception ex)
{
Log.WriteError(ex);
}
}
