/// <summary>
/// Perform a DNS lookup for a Minecraft Service using the specified domain name
/// </summary>
/// <param name="domain">Input domain name, updated with target host if any, else left untouched</param>
/// <param name="port">Updated with target port if any, else left untouched</param>
/// <returns>TRUE if a Minecraft Service was found.</returns>
public static bool MinecraftServiceLookup(ref string domain, ref ushort port)
{
if (!String.IsNullOrEmpty(domain) && domain.Any(c => char.IsLetter(c)))
{
try
{
Console.WriteLine("Resolving {0}...", domain);
Heijden.DNS.Response response = new Heijden.DNS.Resolver().Query("_minecraft._tcp." + domain, Heijden.DNS.QType.SRV);
Heijden.DNS.RecordSRV[] srvRecords = response.RecordsSRV;
if (srvRecords != null && srvRecords.Any())
{
//Order SRV records by priority and weight, then randomly
Heijden.DNS.RecordSRV result = srvRecords
.OrderBy(record => record.PRIORITY)
.ThenByDescending(record => record.WEIGHT)
.ThenBy(record => Guid.NewGuid())
.First();
string target = result.TARGET.Trim('.');
ConsoleIO.WriteLineFormatted(String.Format("§8Found server {0}:{1} for domain {2}", target, result.PORT, domain));
domain = target;
port = result.PORT;
return(true);
}
}
catch (Exception e)
{
ConsoleIO.WriteLineFormatted(String.Format("§8Failed to perform SRV lookup for {0}\n{1}: {2}", domain, e.GetType().FullName, e.Message));
}
}
return(false);
}
public static bool MinecraftServiceLookup(ref string domain, ref ushort port)
{
if (!String.IsNullOrEmpty(domain) && domain.Any(c => char.IsLetter(c)))
{
try
{
Console.WriteLine("Resolving {0}...", domain);
Heijden.DNS.Response response = new Heijden.DNS.Resolver().Query("_minecraft._tcp." + domain, Heijden.DNS.QType.SRV);
Heijden.DNS.RecordSRV[] srvRecords = response.RecordsSRV;
if (srvRecords != null && srvRecords.Any())
{
//Order SRV records by priority and weight, then randomly
Heijden.DNS.RecordSRV result = srvRecords
.OrderBy(record => record.PRIORITY)
.ThenByDescending(record => record.WEIGHT)
.ThenBy(record => Guid.NewGuid())
.First();
string target = result.TARGET.Trim('.');
domain = target;
port = result.PORT;
Console.WriteLine("检测到SRV记录地址：" + domain + ":" + port);
return(true);
}
}
catch (Exception e)
{
Console.WriteLine("未能成功解析..." + e.Message);
}
}
return(false);
}
/// <summary>
/// Perform a DNS lookup for a Minecraft Service using the specified domain name
/// </summary>
/// <param name="domain">Input domain name, updated with target host if any, else left untouched</param>
/// <param name="port">Updated with target port if any, else left untouched</param>
/// <returns>TRUE if a Minecraft Service was found.</returns>
public static bool MinecraftServiceLookup(ref string domain, ref ushort port)
{
bool foundService = false;
string domainVal = domain;
ushort portVal = port;
if (!String.IsNullOrEmpty(domain) && domain.Any(c => char.IsLetter(c)))
{
AutoTimeout.Perform(() =>
{
try
{
Translations.WriteLine("mcc.resolve", domainVal);
Heijden.DNS.Response response = new Heijden.DNS.Resolver().Query("_minecraft._tcp." + domainVal, Heijden.DNS.QType.SRV);
Heijden.DNS.RecordSRV[] srvRecords = response.RecordsSRV;
if (srvRecords != null && srvRecords.Any())
{
//Order SRV records by priority and weight, then randomly
Heijden.DNS.RecordSRV result = srvRecords
.OrderBy(record => record.PRIORITY)
.ThenByDescending(record => record.WEIGHT)
.ThenBy(record => Guid.NewGuid())
.First();
string target = result.TARGET.Trim('.');
ConsoleIO.WriteLineFormatted(Translations.Get("mcc.found", target, result.PORT, domainVal));
domainVal = target;
portVal = result.PORT;
foundService = true;
}
}
catch (Exception e)
{
ConsoleIO.WriteLineFormatted(Translations.Get("mcc.not_found", domainVal, e.GetType().FullName, e.Message));
}
}, TimeSpan.FromSeconds(Settings.ResolveSrvRecordsShortTimeout ? 10 : 30));
}
domain = domainVal;
port = portVal;
return(foundService);
}
