package table import ( "fmt" "hash/fnv" "strings" "github.com/olekukonko/tablewriter" ) var ( // DefaultLocalMetric is default route cost metric for the local network DefaultLocalMetric = 1 // DefaultNetworkMetric is default route cost metric for the micro network DefaultNetworkMetric = 10 ) // Route is network route type Route struct { // Destination is destination address Destination string // Gateway is route gateway Gateway string // Network is network address Network string // Router is the router address Router string // Metric is the route cost metric Metric int } // Hash returns route hash sum. func (r *Route) Hash() uint64 { h := fnv.New64() h.Reset() h.Write([]byte(r.Destination + r.Gateway + r.Network)) return h.Sum64() } // String returns human readable route func (r Route) String() string { // this will help us build routing table string sb := &strings.Builder{} // create nice table printing structure table := tablewriter.NewWriter(sb) table.SetHeader([]string{"Destination", "Gateway", "Router", "Network", "Metric"}) strRoute := []string{ r.Destination, r.Gateway, r.Router, r.Network, fmt.Sprintf("%d", r.Metric), } table.Append(strRoute) // render table into sb table.Render() return sb.String() }