public DnsService(IOptions <DnsServiceConfig> options, ILogger <DnsService> logger)
{
_logger = logger;
DnsServiceConfig.Validate(options.Value);
_options = options;
ConfigureService();
InitState(_options.Value.DefaultState);
}
public static void Validate(DnsServiceConfig config)
{
if (!Utils.IsIPAddress(config.ListenAddress))
{
throw new FormatException($"Failed to convert {config.ListenAddress} to IP address");
}
if (!Utils.IsDomain(config.Domain))
{
throw new FormatException($"Failed to convert {config.Domain} to domain name");
}
if (!Utils.IsDomain(config.Record))
{
throw new FormatException($"Failed to convert {config.Record} to record name");
}
if (config.RecordTtl < 0)
{
throw new FormatException($"Failed to convert {config.RecordTtl} to refresh interval");
}
if (!Utils.IsIPAddress(config.TargetNormal))
{
throw new FormatException($"Failed to convert {config.TargetNormal} to IP address");
}
if (!Utils.IsIPAddress(config.TargetFailover))
{
throw new FormatException($"Failed to convert {config.TargetFailover} to IP address");
}
if (!Utils.IsIPAddress(config.Forwarder))
{
throw new FormatException($"Failed to convert {config.Forwarder} to IP address");
}
if (config.RefreshInterval < 0)
{
throw new FormatException($"Failed to convert {config.RefreshInterval} to refresh interval");
}
if (config.RetryInterval < 0)
{
throw new FormatException($"Failed to convert {config.RetryInterval} to retry interval");
}
if (config.ExpireInterval < 0)
{
throw new FormatException($"Failed to convert {config.ExpireInterval} to expire interval");
}
if (config.MinTTL < 0)
{
throw new FormatException($"Failed to convert {config.MinTTL} to minimum TTL");
}
if (config.TTL < 0)
{
throw new FormatException($"Failed to convert {config.TTL} to TTL");
}
}