/// <exception cref="UnknownHostException"></exception>
public static UniAddress[] GetAllByName(string hostname, bool possibleNtDomainOrWorkgroup)
{
object addr;
int i;
if (string.IsNullOrEmpty(hostname))
{
throw new UnknownHostException();
}
if (IsDotQuadIp(hostname))
{
UniAddress[] addrs = new UniAddress[1];
addrs[0] = new UniAddress(NbtAddress.GetByName(hostname));
return(addrs);
}
for (i = 0; i < _resolveOrder.Length; i++)
{
try
{
switch (_resolveOrder[i])
{
case ResolverLmhosts:
{
if ((addr = Lmhosts.GetByName(hostname)) == null)
{
continue;
}
break;
}
case ResolverWins:
{
if (hostname == NbtAddress.MasterBrowserName ||
hostname.Length > 15)
{
// invalid netbios name
continue;
}
if (possibleNtDomainOrWorkgroup)
{
addr = LookupServerOrWorkgroup(hostname,
NbtAddress.GetWinsAddress());
}
else
{
addr = NbtAddress.GetByName(hostname,
unchecked (0x20),
null,
NbtAddress.GetWinsAddress());
}
break;
}
case ResolverBcast:
{
if (hostname.Length > 15)
{
// invalid netbios name
continue;
}
try
{
if (possibleNtDomainOrWorkgroup)
{
NbtAddress[] iaddrs = LookupServerOrWorkgroup(hostname,
_baddr);
UniAddress[] addrs = new UniAddress[iaddrs.Length];
for (int ii = 0; ii < iaddrs.Length; ii++)
{
addrs[ii] = new UniAddress(iaddrs[ii]);
}
return(addrs);
}
else
{
addr = NbtAddress.GetByName(hostname,
unchecked (0x20),
null,
_baddr);
}
}
catch (Exception ex)
{
if (i == _resolveOrder.Length - 1)
{
throw ex;
}
else
{
continue;
}
}
break;
}
case ResolverDns:
{
if (IsAllDigits(hostname))
{
throw new UnknownHostException(hostname);
}
IPAddress[] iaddrs = Extensions.GetAddressesByName(hostname);
if (iaddrs == null || iaddrs.Length == 0)
{
continue;
}
return(iaddrs.Select(iaddr => new UniAddress(iaddr)).ToArray());
}
default:
{
// Success
throw new UnknownHostException(hostname);
}
}
UniAddress[] addrs1 = new UniAddress[1];
addrs1[0] = new UniAddress(addr);
return(addrs1);
}
catch (IOException)
{
}
}
// Success
// Failure
throw new UnknownHostException(hostname);
}
/// <exception cref="UnknownHostException"></exception>
public static UniAddress[] GetAllByName(string hostname, bool possibleNtDomainOrWorkgroup
)
{
object addr;
int i;
if (string.IsNullOrEmpty(hostname))
{
throw new UnknownHostException();
}
if (IsDotQuadIp(hostname))
{
UniAddress[] addrs = new UniAddress[1];
addrs[0] = new UniAddress(NbtAddress.GetByName(hostname));
return addrs;
}
for (i = 0; i < _resolveOrder.Length; i++)
{
try
{
switch (_resolveOrder[i])
{
case ResolverLmhosts:
{
if ((addr = Lmhosts.GetByName(hostname)) == null)
{
continue;
}
break;
}
case ResolverWins:
{
if (hostname == NbtAddress.MasterBrowserName || hostname.Length > 15)
{
// invalid netbios name
continue;
}
if (possibleNtDomainOrWorkgroup)
{
addr = LookupServerOrWorkgroup(hostname, NbtAddress.GetWinsAddress());
}
else
{
addr = NbtAddress.GetByName(hostname, unchecked(0x20), null, NbtAddress.GetWinsAddress
());
}
break;
}
case ResolverBcast:
{
if (hostname.Length > 15)
{
// invalid netbios name
continue;
}
try
{
if (possibleNtDomainOrWorkgroup)
{
NbtAddress[] iaddrs = LookupServerOrWorkgroup(hostname, _baddr);
UniAddress[] addrs = new UniAddress[iaddrs.Length];
for (int ii = 0; ii < iaddrs.Length; ii++)
{
addrs[ii] = new UniAddress(iaddrs[ii]);
}
return addrs;
}
else
{
addr = NbtAddress.GetByName(hostname, unchecked(0x20), null, _baddr);
}
}
catch (Exception ex)
{
if (i == _resolveOrder.Length - 1)
{
throw ex;
}
else
{
continue;
}
}
break;
}
case ResolverDns:
{
if (IsAllDigits(hostname))
{
throw new UnknownHostException(hostname);
}
IPAddress[] iaddrs = Extensions.GetAddressesByName(hostname);
if (iaddrs == null || iaddrs.Length == 0)
{
continue;
}
return iaddrs.Select(iaddr => new UniAddress(iaddr)).ToArray();
}
default:
{
// Success
throw new UnknownHostException(hostname);
}
}
UniAddress[] addrs1 = new UniAddress[1];
addrs1[0] = new UniAddress(addr);
return addrs1;
}
catch (IOException)
{
}
}
// Success
// Failure
throw new UnknownHostException(hostname);
}