public LoadBalancerContext(ILoadBalancer loadBalancer, string vipAddress)
{
ClinetName = "default";
MaxAutoRetriesNextServer = 1;
MaxAutoRetries = 0;
RetryHandler = new DefaultRetryHandler();
RetryOnAllOperations = false;
VipAddress = vipAddress;
LoadBalancer = loadBalancer;
}
private LoadBalancerCommand GetCommand(LoadBalanceKey key)
{
if (_swiftyClientOptions.Eureka == null)
{
return(null);
}
if (_balancerCommands.TryGetValue(key, out LoadBalancerCommand x))
{
return(x);
}
lock (Syncs.GetOrAdd(key, k => new object()))
{
if (_balancerCommands.TryGetValue(key, out LoadBalancerCommand command))
{
return(command);
}
var version = key.Version;
var vipAddress = key.VipAddress;
var rule = new FilterableRule(new VersionAffinityFilter(version));
var eureka = _swiftyClientOptions.Eureka;
var balancer = LoadBalancerBuilder.NewBuilder()
.WithPing(_swiftyPing)
.WithPingStrategy(_swiftyClientOptions.PingStrategy)
.WithRule(rule)
.Build($"{vipAddress}:{version}", eureka.RegistryFetchIntervalSeconds * 1000 / 2);
var collector = new DefaultServerStatusCollector();
var retryHandler = new DefaultRetryHandler(
_swiftyClientOptions.RetriesSameServer,
_swiftyClientOptions.RetriesNextServer,
_swiftyClientOptions.RetryEnabled,
CircuitTrippingException,
RetriableException);
command = new LoadBalancerCommand(balancer, collector, retryHandler, null);
var servers = DiscoveryManager.Instance.Client
.GetInstancesByVipAddress(vipAddress, _swiftyClientOptions.Secure)
.Where(ins => ins.Status == InstanceStatus.UP)
.Select(ins => new DiscoveryEnabledServer(ins, _swiftyClientOptions.Secure, _swiftyClientOptions.Eureka.AddressUsage) as Ribbon.Server)
.ToList();
balancer.AddServers(servers);
_balancerCommands.Add(key, command);
return(command);
}
}
