public static DNSServerModel FromServer(DNSManagement.Server server)
{
var model = new DNSServerModel();
model.ServerName = server.Name;
model.ServerIPAddresses = server.ServerAddresses;
model.ListenAddresses = server.ListenAddresses;
model.Forwarders = ResolvedServer.FromIPs(server.Forwarders);
model.IsSlave = server.IsSlave;
model.Version = server.Version.ToString();
model.NoRecursion = server.NoRecursion;
model.BindSecondaries = server.BindSecondaries;
model.StrictFileParsing = server.StrictFileParsing;
model.RoundRobin = server.RoundRobin;
model.LocalNetPriority = server.LocalNetPriority;
model.SecureResponses = server.SecureResponses;
model.NameCheckFlag = server.NameCheckFlag;
model.BootMethod = server.BootMethod;
model.ScavengingInterval = server.ScavengingInterval;
model.LogLevel = server.LogLevel;
model.LogIPFilterList = server.LogIPFilterList;
model.LogFilePath = server.LogFilePath;
model.LogFileMaxSize = server.LogFileMaxSize;
model.EventLogLevel = server.EventLogLevel;
//convert root hints to list for display
List <ResolvedServer> roothintslist = new List <ResolvedServer>();
var rhints = server.GetRootHints();
foreach (var rh in rhints)
{
var records = rh.GetRecords();
foreach (var r in records.Where(i => i.DomainName == "..RootHints"))
{
if (r.ResourceRecordType != DNSManagement.RR.ResourceRecord.ResourceRecordEnum.NS)
{
continue;
}
var ns = ((DNSManagement.RR.NSType)r.UnderlyingRecord);
var nsa = (records.Where(i => i.RecordType == typeof(DNSManagement.RR.AType) && ((DNSManagement.RR.AType)i.UnderlyingRecord).OwnerName == ns.NSHost)).Select(i => ((DNSManagement.RR.AType)i).IPAddress).ToList();
nsa.AddRange((records.Where(i => i.RecordType == typeof(DNSManagement.RR.AAAAType) && ((DNSManagement.RR.AAAAType)i.UnderlyingRecord).OwnerName == ns.NSHost)).Select(i => ((DNSManagement.RR.AAAAType)i).IPv6Address).ToArray());
roothintslist.Add(new ResolvedServer
{
ServerName = ns.NSHost,
IPAddress = string.Join(", ", nsa.ToArray())
});
}
}
model.RootHints = roothintslist.ToArray();
return(model);
}
/// <summary>
/// Creates an instance based on FQDN
/// </summary>
public static ResolvedServer FromFQDN(string fqdn)
{
ResolvedServer rs = new ResolvedServer();
rs.ServerName = fqdn;
var host = System.Net.Dns.GetHostEntry(rs.ServerName);
if (host.AddressList.Length > 0)
rs.IPAddress = host.AddressList[0].ToString();
return rs;
}
/// <summary>
/// Creates an instance based on FQDN
/// </summary>
public static ResolvedServer FromFQDN(string fqdn)
{
ResolvedServer rs = new ResolvedServer();
rs.ServerName = fqdn;
var host = System.Net.Dns.GetHostEntry(rs.ServerName);
if (host.AddressList.Length > 0)
{
rs.IPAddress = host.AddressList[0].ToString();
}
return(rs);
}
/// <summary>
/// creates an instance based on IP Address
/// </summary>
public static ResolvedServer FromIP(string ipaddr)
{
ResolvedServer rs = CacheManager.Get <ResolvedServer>("FromIP", ipaddr);
if (rs == null)
{
rs = new ResolvedServer();
rs.IPAddress = ipaddr;
try
{
var host = System.Net.Dns.GetHostEntry(rs.IPAddress);
rs.ServerName = host.HostName;
}
catch
{
rs.ServerName = "<No such host>";
}
}
CacheManager.Set("FromIP", ipaddr, DateTime.UtcNow.AddMinutes(5), rs);
return(rs);
}
/// <summary>
/// creates an instance based on IP Address
/// </summary>
public static ResolvedServer FromIP(string ipaddr)
{
ResolvedServer rs = CacheManager.Get<ResolvedServer>("FromIP", ipaddr);
if (rs == null)
{
rs = new ResolvedServer();
rs.IPAddress = ipaddr;
try
{
var host = System.Net.Dns.GetHostEntry(rs.IPAddress);
rs.ServerName = host.HostName;
}
catch
{
rs.ServerName = "<No such host>";
}
}
CacheManager.Set("FromIP", ipaddr, DateTime.UtcNow.AddMinutes(5), rs);
return rs;
}
