// This method was introduced breaking the previously used Singleton pattern.
// This was done in order to support multiple networks concurrently.
// We can now have multiple RAIDA objects each containing different networks
// RAIDA details are read from Directory URL first.
// In case of failure, it falls back to a file on the file system
public static List <RAIDA> Instantiate()
{
string nodesJson = "";
networks.Clear();
using (WebClient client = new WebClient())
{
try
{
nodesJson = client.DownloadString(Config.URL_DIRECTORY);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
if (System.IO.File.Exists("directory.json"))
{
nodesJson = System.IO.File.ReadAllText(Environment.CurrentDirectory + @"\directory.json");
}
else
{
Exception raidaException = new Exception("RAIDA instantiation failed. No Directory found on server or local path");
throw raidaException;
}
}
}
try
{
RAIDADirectory dir = JsonConvert.DeserializeObject <RAIDADirectory>(nodesJson);
foreach (var network in dir.networks)
{
networks.Add(RAIDA.GetInstance(network));
}
}
catch (Exception e)
{
Exception raidaException = new Exception("RAIDA instantiation failed. No Directory found on server or local path");
throw raidaException;
}
if (networks == null)
{
Exception raidaException = new Exception("RAIDA instantiation failed. No Directory found on server or local path");
throw raidaException;
}
if (networks.Count == 0)
{
Exception raidaException = new Exception("RAIDA instantiation failed. No Directory found on server or local path");
throw raidaException;
}
return(networks);
}
private static int GetNetworkNumber(RAIDADirectory dir)
{
return(1);
}
