func GetEndpointInfoFromHostComputeEndpoint()

in network/endpoint.go [108:193]
73 lines of code
16 McCabe index (conditional complexity)

func GetEndpointInfoFromHostComputeEndpoint(hcnEndpoint *hcn.HostComputeEndpoint, withIpv6 bool) *EndpointInfo {
	// Ignore empty MAC, GW, and IP.
	macAddr, _ := net.ParseMAC(hcnEndpoint.MacAddress)
	var gwAddr net.IP
	var gwAddr6 net.IP	
	var ipAddr4 net.IPNet
	var ipAddr6 net.IPNet

	if withIpv6 == false {

		if len(hcnEndpoint.Routes) > 0 {
			gwAddr = net.ParseIP(hcnEndpoint.Routes[0].NextHop)
		}
			
	    if len(hcnEndpoint.IpConfigurations) > 0 {
		    ipAddr4.IP = net.ParseIP(hcnEndpoint.IpConfigurations[0].IpAddress)
	    }
    } else {
		var ip4found bool
		var ip6found bool

		for _, addr := range hcnEndpoint.IpConfigurations {
			if net.ParseIP(addr.IpAddress).To4() == nil &&
			   ip6found == false {
				ip, mask, _ := net.ParseCIDR(common.GetAddressAsCidr(addr.IpAddress, addr.PrefixLength))
				ipAddr6.IP = ip
				ipAddr6.Mask = mask.Mask
				ip6found = true
			} else {
				if ip4found == false {
				    ip, mask, _ := net.ParseCIDR(common.GetAddressAsCidr(addr.IpAddress, addr.PrefixLength))
   		    	    ipAddr4.IP = ip
	    	    	ipAddr4.Mask = mask.Mask
				    ip4found = true
				}
			}

			if ip4found && ip6found {
				break
			}
		}

		ip4found = false
		ip6found = false

		for _, r := range hcnEndpoint.Routes {

			if net.ParseIP(r.NextHop).To4() == nil &&
			   ip6found == false {
				gwAddr6 = net.ParseIP(r.NextHop)
				ip6found = true
			} else {
				if ip4found == false {
    				gwAddr = net.ParseIP(r.NextHop)
	    			ip4found = true
				}
			}

			if ip4found && ip6found {
				break
			}

		}
	}

	return &EndpointInfo{
		Name:        hcnEndpoint.Name,
		ID:          hcnEndpoint.Id,
		NetworkID:   hcnEndpoint.HostComputeNetwork,
		NamespaceID: hcnEndpoint.HostComputeNamespace,
		DNS: DNSInfo{
			Domain:      hcnEndpoint.Dns.Domain,
			Search:      hcnEndpoint.Dns.Search,
			Nameservers: hcnEndpoint.Dns.ServerList,
			Options:     hcnEndpoint.Dns.Options,
		},
		MacAddress:  macAddr,
		Gateway:     gwAddr,
		IPAddress:   ipAddr4.IP,
		IP4Mask:     ipAddr4.Mask,
		Gateway6:    gwAddr6,
		IPAddress6:  ipAddr6,		
		Policies:    GetEndpointPoliciesFromHostComputePolicies(hcnEndpoint.Policies),
	}

}