private static void ValidateParams(string server, bool useDnsLookup)
{
if (!useDnsLookup)
{
return;
}
if (string.IsNullOrEmpty(server))
{
throw new Exception("When using DNS lookup, Web Farm Server (Name) must be provided.");
}
if (WildcardPattern.ContainsWildcard(server))
{
throw new Exception("You can not use DNS lookup together with wildcards (*) in server name.");
}
}
//Todo: Needs refactoring together with FindAllWebFarms, GetWebFarm and GetWebFarms
private static IEnumerable <Farm> GetWebFarmsByServer(string serverName, bool useDnsLookup)
{
using (var serverManager = new ServerManager())
{
var config = serverManager.GetApplicationHostConfiguration();
var webFarmsSection = config.GetSection("webFarms");
var foundFarms = new List <Farm>();
var servers = new List <string>();
if (useDnsLookup)
{
var ips = Dns.GetHostAddresses(serverName);
foreach (var ip in ips)
{
servers.Add(ip.ToString());
}
}
else
{
servers.Add(serverName.ToLower());
}
foreach (var webFarm in webFarmsSection.GetCollection())
{
foreach (var server in webFarm.GetCollection())
{
var webFarmServerAddress = server["address"].ToString();
if (WildcardPattern.ContainsWildcard(serverName))
{
var serverAddress = server["address"].ToString();
var wildcardPattern = new WildcardPattern(serverName);
if (wildcardPattern.IsMatch(serverAddress))
{
var farm = new Farm {
Name = webFarm["name"].ToString()
};
farm.Servers.Add(new FarmServer
{
Name = server["address"].ToString(),
WebFarm = webFarm["name"].ToString()
});
foundFarms.Add(farm);
}
}
else if (servers.Contains(webFarmServerAddress.ToLower()))
{
var farm = new Farm {
Name = webFarm["name"].ToString()
};
farm.Servers.Add(new FarmServer
{
Name = server["address"].ToString(),
WebFarm = webFarm["name"].ToString()
});
foundFarms.Add(farm);
if (servers.Count == 1)
{
break;
}
}
}
}
return(foundFarms);
}
}
