public IPEndPoint GetServieByLoadBalane(List <FlowControlEndPoint> lbEndPoints, IPEndPoint clientIp, LoadBalanceType type = LoadBalanceType.IPHash, ServiceConfigureInfo configure = null)
{
var result = default(FlowControlEndPoint);
if (lbEndPoints != null && lbEndPoints.Any())
{
//若没有客户端IP则默认调用随机
if (clientIp == null && type == LoadBalanceType.IPHash)
{
type = LoadBalanceType.Random;
}
switch (type)
{
//随机
case LoadBalanceType.Random:
result = lbEndPoints.OrderBy(x => Guid.NewGuid()).FirstOrDefault();
break;
//轮询
case LoadBalanceType.Polling:
result = TargetIp == null?lbEndPoints.FirstOrDefault() :
lbEndPoints.Any(x => x.HashSort > TargetIpSortInex) ?
lbEndPoints.First(x => x.HashSort > TargetIpSortInex) :
lbEndPoints.First();
TargetIp = result.GetEndPoint();
TargetIpSortInex = result.HashSort;
break;
//IP哈希
case LoadBalanceType.IPHash:
result = lbEndPoints[Math.Abs(clientIp.GetHashCode()) % lbEndPoints.Count];
break;
//最小连接
case LoadBalanceType.MinConnections:
result = lbEndPoints.OrderBy(x => x.ConnectCount).FirstOrDefault();
break;
}
}
if (configure != null)
{
configure.ChangeConnectCount(result.GetEndPoint(), true);
}
return(result.GetEndPoint());
}
