// we construct vertices representing types A, B, and T. Because of
// declaration "type T int", we construct edges T<-A and T<-B with
// weight 1; and because of instantiation "f[T, map[A]B]" we construct
// edges A<-T with weight 0, and B<-A and B<-B with weight 1.
//
// Finally, we look for any positive-weight cycles. Zero-weight cycles
// are allowed because static instantiation will reach a fixed point.

type monoGraph struct {
	vertices []monoVertex

          },
          "weight": {
            "default": 0,
            "description": "Weight associated with matching the corresponding nodeSelectorTerm, in the range 1-100.",
            "format": "int32",
            "type": "integer"
          }
        },
        "required": [
          "weight",
          "preference"
        ],

		if route.Weight > 0 {
			clusterName := istioroute.GetDestinationCluster(route.Destination, service, port.Port)
			clusterSpecifier.WeightedClusters.Clusters = append(clusterSpecifier.WeightedClusters.Clusters, &tcp.TcpProxy_WeightedCluster_ClusterWeight{
				Name:   clusterName,
				Weight: uint32(route.Weight),
			})
		}
	}

// (if any) and will cause a nonzero final exit code.
func (s *sequencer) Add(weight int64, f func(*reporter) error) {
	if weight < 0 || weight > s.maxWeight {
		weight = s.maxWeight
	}
	if err := s.sem.Acquire(context.TODO(), weight); err != nil {
		// Change the task from "execute f" to "report err".
		weight = 0
		f = func(*reporter) error { return err }
	}

	r := &reporter{prev: s.prev}

  - istio-system/gateway-istio-autogenerated-k8s-gateway-tcp
  hosts:
  - '*'
  tcp:
  - route:
    - destination:
        host: internal.cluster.local
        port:
          number: 65535
        subset: zero-weight

Lior Lieberman <******@****.***> 1707338903 +0000

				"": {xdstest.LocLbEpInfo{
					LbEps: []xdstest.LbEpInfo{
						{Address: "1.2.3.4", Weight: 1},
						{Address: "2.2.2.2", Weight: 2},
					},
					Weight: 3,
				}},
				"v1": {xdstest.LocLbEpInfo{
					LbEps: []xdstest.LbEpInfo{
						{Address: "1.2.3.4", Weight: 1},
						{Address: "2.2.2.2", Weight: 1},
					},
					Weight: 2,
				}},
				"v2": {xdstest.LocLbEpInfo{
					LbEps: []xdstest.LbEpInfo{

		if len(f) < 6 {
			continue
		}
		port, _, portOk := dtoi(f[4])
		priority, _, priorityOk := dtoi(f[3])
		weight, _, weightOk := dtoi(f[2])
		if !(portOk && priorityOk && weightOk) {
			continue
		}
		addrs = append(addrs, &SRV{absDomainName(f[5]), uint16(port), uint16(priority), uint16(weight)})
		cname = absDomainName(f[0])
	}
	byPriorityWeight(addrs).sort()
	return
}

						Destination: &networking.Destination{
							Host:   "c-weighted.extsvc.com",
							Subset: "v2",
						},
						Weight: 100,
					},
				},
			},
			{
				Route: []*networking.HTTPRouteDestination{
					{
						Destination: &networking.Destination{
							Host:   "c-weighted.extsvc.com",
							Subset: "v1",
						},
						Weight: 100,
					},
				},
			},
		},
	},

	} else {
		weighted := make([]*route.WeightedCluster_ClusterWeight, 0)
		for _, dst := range in.Route {
			if dst.Weight == 0 {
				// Ignore 0 weighted clusters if there are other clusters in the route.
				continue
			}
			destinationweight, hostname := processWeightedDestination(dst, serviceRegistry, listenerPort, hashByDestination, action)
			weighted = append(weighted, destinationweight)