/// <summary>
/// Generates a <see cref="IContact"/> for a node.
/// </summary>
/// <returns></returns>
public static IContact GetContact()
{
if (_contact != null)
{
return(_contact);
}
Config config = Config.ReadConfig();
string nodeId = config.Kademlia.NodeId;
if (!string.IsNullOrEmpty(nodeId))
{
return(new Contact(Transport.GetServiceBaseUrl(), nodeId));
}
string publicIp = EnvironmentHelper.GetPublicIp();
string localIp = EnvironmentHelper.GetLocalIp();
string machineName = EnvironmentHelper.GetFqdn();
FileInfo assemblyFileInfo = AssemblyHelper.GetEntryAssemblyFileInfo();
string directory = assemblyFileInfo.DirectoryName;
string applicationId = AppSettings.InstanceMode == InstanceMode.Single ?
AssemblyHelper.GetEntryAssemblyId() :
EncryptionProvider.GetString(GetRandomKey());
string uniqueAttributes = string.Format("{0}#{1}#{2}#{3}#{4}", publicIp, localIp, machineName, directory, applicationId);
nodeId = EncryptionProvider.Hash(uniqueAttributes);
return(_contact = new Contact(Transport.GetServiceBaseUrl(), nodeId));
}
/// <summary>
/// Computes the unique key of the <see cref="Type"/>.
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static string Key(this Type type)
{
return(EncryptionProvider.Hash(type.AssemblyQualifiedName()));
}
