public ServiceEndPoint Peer(string serviceName)
{
var entries = _serviceDiscovery.FindServiceEndpoint(serviceName).ToList();
if (entries.Count == 0)
{
return(null);
}
if (entries.Count == 1)
{
return(entries[0]);
}
int total = 0;
ServiceEndPoint best = null;
foreach (var entry in entries)
{
entry.CurrentWeight += entry.EffectiveWeight;
total += entry.EffectiveWeight;
if (entry.EffectiveWeight < entry.Weight)
{
entry.EffectiveWeight++;
}
if (best == null || entry.CurrentWeight > best.CurrentWeight)
{
best = entry;
}
}
if (best == null)
{
return(null);
}
best.CurrentWeight -= total;
return(best);
}