/// <summary>Given a full hostname, return the word upto the first dot.</summary>
/// <param name="fullHostname">the full hostname</param>
/// <returns>the hostname to the first dot</returns>
public static string SimpleHostname(string fullHostname)
{
if (InetAddresses.IsInetAddress(fullHostname))
{
return(fullHostname);
}
int offset = fullHostname.IndexOf('.');
if (offset != -1)
{
return(Runtime.Substring(fullHostname, 0, offset));
}
return(fullHostname);
}
/// <summary>Accepts a collection of ip/cidr/host addresses</summary>
/// <param name="hostEntries"/>
/// <param name="addressFactory">addressFactory to convert host to InetAddress</param>
public MachineList(ICollection <string> hostEntries, MachineList.InetAddressFactory
addressFactory)
{
this.addressFactory = addressFactory;
if (hostEntries != null)
{
if ((hostEntries.Count == 1) && (hostEntries.Contains(WildcardValue)))
{
all = true;
ipAddresses = null;
hostNames = null;
cidrAddresses = null;
}
else
{
all = false;
ICollection <string> ips = new HashSet <string>();
IList <SubnetUtils.SubnetInfo> cidrs = new List <SubnetUtils.SubnetInfo>();
ICollection <string> hosts = new HashSet <string>();
foreach (string hostEntry in hostEntries)
{
//ip address range
if (hostEntry.IndexOf("/") > -1)
{
try
{
SubnetUtils subnet = new SubnetUtils(hostEntry);
subnet.SetInclusiveHostCount(true);
cidrs.AddItem(subnet.GetInfo());
}
catch (ArgumentException e)
{
Log.Warn("Invalid CIDR syntax : " + hostEntry);
throw;
}
}
else
{
if (InetAddresses.IsInetAddress(hostEntry))
{
//ip address
ips.AddItem(hostEntry);
}
else
{
//hostname
hosts.AddItem(hostEntry);
}
}
}
ipAddresses = (ips.Count > 0) ? ips : null;
cidrAddresses = (cidrs.Count > 0) ? cidrs : null;
hostNames = (hosts.Count > 0) ? hosts : null;
}
}
else
{
all = false;
ipAddresses = null;
hostNames = null;
cidrAddresses = null;
}
}