public static ServiceAddress ResolveServer(ILogger logger, string serviceName, ServiceAddresses serviceAddrs, string[] requiredContracts)
{
var serverList = new List <RoundTripData>();
foreach (ServiceAddress serviceAddr in serviceAddrs.List)
{
Int64 roundTrip; // ticks
int maxRoundTrips = 1;
if (serviceAddrs.List.Count > 1)
{
maxRoundTrips = 3;
}
if (QueryService(logger, serviceAddr.Host, serviceAddr.Port, serviceName, requiredContracts, maxRoundTrips, out roundTrip))
{
// add addr to list
serverList.Add(new RoundTripData(serviceAddr, roundTrip));
}
} // foreach server address
// find 'nearest' server
if (serverList.Count > 0)
{
ServiceAddress address = serverList[0].Addr;
Int64 bestRoundTrip = serverList[0].Ticks;
foreach (RoundTripData item in serverList)
{
if (item.Ticks < bestRoundTrip)
{
address = item.Addr;
bestRoundTrip = item.Ticks;
}
}
return(address);
}
throw new EndpointNotFoundException(
$"No server in list '{serviceAddrs}' found!");
}
public RoundTripData(ServiceAddress addr, Int64 ticks)
{
Addr = addr; Ticks = ticks;
}
