public IEnumerable <IContactPoint> ParseContactPoints(IEnumerable <object> providedContactPoints)
{
var result = new HashSet <IContactPoint>();
foreach (var contactPoint in providedContactPoints)
{
IContactPoint parsedContactPoint;
switch (contactPoint)
{
case IContactPoint typedContactPoint:
parsedContactPoint = typedContactPoint;
break;
case IPEndPoint ipEndPointContactPoint:
parsedContactPoint = new IpLiteralContactPoint(ipEndPointContactPoint, _serverNameResolver);
break;
case IPAddress ipAddressContactPoint:
parsedContactPoint = new IpLiteralContactPoint(ipAddressContactPoint, _protocolOptions, _serverNameResolver);
break;
case string contactPointText:
{
if (IPAddress.TryParse(contactPointText, out var ipAddress))
{
parsedContactPoint = new IpLiteralContactPoint(ipAddress, _protocolOptions, _serverNameResolver);
}
else
{
parsedContactPoint = new HostnameContactPoint(
_dnsResolver,
_protocolOptions,
_serverNameResolver,
_keepContactPointsUnresolved,
contactPointText);
}
break;
}
default:
throw new InvalidOperationException("Contact points should be either string or IPEndPoint instances");
}
if (result.Contains(parsedContactPoint))
{
Cluster.Logger.Warning("Found duplicate contact point: {0}. Ignoring it.", contactPoint.ToString());
continue;
}
result.Add(parsedContactPoint);
}
return(result);
}
private bool TypedEquals(IpLiteralContactPoint other)
{
return(Equals(_ipEndPoint, other._ipEndPoint) && Equals(_ipAddress, other._ipAddress));
}