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Fix timeout on resolving SRV records (#1095)

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This commit is contained in:
ORelio 2020-06-30 23:13:19 +02:00
parent 8b208c5520
commit c4647c35ef
1 changed files with 32 additions and 22 deletions
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26
MinecraftClient/Protocol/ProtocolHandler.cs
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@ -29,12 +29,18 @@ namespace MinecraftClient.Protocol
/// <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
{
Console.WriteLine("Resolving {0}...", domain);
Heijden.DNS.Response response = new Heijden.DNS.Resolver().Query("_minecraft._tcp." + domain, Heijden.DNS.QType.SRV);
Console.WriteLine("Resolving {0}...", 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())
{
@ -45,18 +51,22 @@ namespace MinecraftClient.Protocol
.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;
ConsoleIO.WriteLineFormatted(String.Format("§8Found server {0}:{1} for domain {2}", target, result.PORT, domainVal));
domainVal = target;
portVal = result.PORT;
foundService = true;
}
}
catch (Exception e)
{
ConsoleIO.WriteLineFormatted(String.Format("§8Failed to perform SRV lookup for {0}\n{1}: {2}", domain, e.GetType().FullName, e.Message));
ConsoleIO.WriteLineFormatted(String.Format("§8Failed to perform SRV lookup for {0}\n{1}: {2}", domainVal, e.GetType().FullName, e.Message));
}
}, TimeSpan.FromSeconds(Settings.ResolveSrvRecordsShortTimeout ? 10 : 30));
}
return false;
domain = domainVal;
port = portVal;
return foundService;
}
/// <summary>