public Task <GrpcService> Locate(string serviceName, bool lookupParameters)
{
if (string.IsNullOrWhiteSpace(serviceName))
{
throw new ArgumentNullException(nameof(serviceName));
}
// get name of service to resolve
var name = new ServiceDnsName
{
Domain = ServiceDomain,
ServiceName = serviceName,
Protocol = "grpc",
DnsName = string.IsNullOrEmpty(ServiceDomain)
? serviceName.ToLowerInvariant()
: $"{serviceName.ToLowerInvariant()}._grpc._tcp.{ServiceDomain}"
};
// build lookup object
var serviceLookup = GrpcServiceLookup.Create(lookupParameters);
serviceLookup.Factory = GrpcServiceFactory;
serviceLookup.Name = name;
// preform lookup and return
return(Locate(name, serviceLookup.LocateFunction));
}
public override Task <KafkaService> Locate(string serviceName)
{
string longName;
if (string.IsNullOrWhiteSpace(serviceName))
{
longName = serviceName = "_kafka";
}
else
{
longName = $"{serviceName.ToLowerInvariant()}._kafka";
}
// get name of service to resolve
ServiceDnsName name = new ServiceDnsName
{
Domain = ServiceDomain,
ServiceName = serviceName,
Protocol = "kafka",
DnsName = string.IsNullOrEmpty(ServiceDomain)
? serviceName.ToLowerInvariant()
: $"{longName}._tcp.{ServiceDomain}"
};
return(Locate(name, _ => ServiceLookup.SrvTxt(name, KafkaServiceFactory)));
}
public Task <DatabaseService> Locate(string serviceName, string protocol)
{
if (string.IsNullOrWhiteSpace(serviceName))
{
throw new ArgumentNullException(nameof(serviceName));
}
if (string.IsNullOrWhiteSpace(protocol))
{
throw new ArgumentNullException(nameof(protocol));
}
// lower-invariant protocol
protocol = protocol.ToLowerInvariant();
// get name of service to resolve
ServiceDnsName name = new ServiceDnsName
{
Domain = ServiceDomain,
ServiceName = serviceName,
Protocol = protocol,
DnsName = string.IsNullOrEmpty(ServiceDomain)
? serviceName.ToLowerInvariant()
: $"{serviceName.ToLowerInvariant()}._{protocol}._tcp.{ServiceDomain}"
};
// locate and return
return(Locate(name, _ => ServiceLookup.SrvTxt(name, DbServiceFactory)));
}
protected GrpcService GrpcServiceFactory(ServiceDnsName name, IEnumerable <DnsEntry> dnsEntries)
{
ApplyDnsRandomizer(ref dnsEntries);
return(new GrpcService(dnsEntries)
{
Name = name.ServiceName,
Decryptor = { ServiceDomain = name.Domain }
});
}
private KafkaService KafkaServiceFactory(ServiceDnsName name, IEnumerable <DnsEntry> dnsEntries)
{
ApplyDnsRandomizer(ref dnsEntries);
return(new KafkaService(dnsEntries)
{
Name = name.ServiceName,
Protocol = name.Protocol,
Decryptor = { ServiceDomain = name.Domain }
});
}
public Task <DatabaseService> Locate(DatabaseProtocol protocol)
{
// lower-invariant protocol & service name
string protocolName = protocol.ToString().ToLowerInvariant();
string serviceName = $"_{protocolName}";
// get name of service to resolve
ServiceDnsName name = new ServiceDnsName
{
Domain = ServiceDomain,
ServiceName = serviceName,
Protocol = protocolName,
DnsName = string.IsNullOrEmpty(ServiceDomain)
? serviceName.ToLowerInvariant()
: $"{serviceName.ToLowerInvariant()}._tcp.{ServiceDomain}"
};
// locate and return
return(Locate(name, _ => ServiceLookup.SrvTxt(name, DbServiceFactory)));
}
public override Task <WebApiService> Locate(string serviceName)
{
if (string.IsNullOrWhiteSpace(serviceName))
{
throw new ArgumentNullException(nameof(serviceName));
}
// get name of service to resolve
ServiceDnsName name = new ServiceDnsName
{
Domain = ServiceDomain,
ServiceName = serviceName,
Protocol = "http",
DnsName = string.IsNullOrEmpty(ServiceDomain)
? serviceName.ToLowerInvariant()
: $"{serviceName.ToLowerInvariant()}._http._tcp.{ServiceDomain}"
};
return(Locate(name, _ => ServiceLookup.SrvTxt(name, WebApiServiceFactory)));
}
public Task <GenericService> Locate(string serviceName, IpProtocol protocol)
{
if (string.IsNullOrWhiteSpace(serviceName))
{
throw new ArgumentNullException(nameof(serviceName));
}
// get name of service to resolve
string sProtocol = protocol.ToString().ToLowerInvariant();
ServiceDnsName name = new ServiceDnsName
{
Domain = ServiceDomain,
ServiceName = serviceName,
Protocol = sProtocol,
DnsName = string.IsNullOrEmpty(ServiceDomain)
? serviceName.ToLowerInvariant()
: $"{serviceName.ToLowerInvariant()}._{sProtocol}.{ServiceDomain}"
};
return(Locate(name, _ => ServiceLookup.SrvTxt(name, MyServiceFactory)));
}
