51 lines
982 B
Go
51 lines
982 B
Go
package main
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import (
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"fmt"
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"log"
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"net"
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"github.com/crip/ripv2"
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"github.com/crip/ripv2/routes"
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"github.com/crip/rtable"
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)
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func main() {
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rip := ripv2.New()
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routes := routes.New()
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addr := net.UDPAddr{
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Port: 520,
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IP: net.ParseIP("224.0.0.9"),
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}
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iface := net.Interface{
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Name: "enp1s0f1",
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Flags: net.FlagMulticast,
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}
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conn, err := net.ListenMulticastUDP("udp4", &iface, &addr)
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if err != nil {
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log.Fatalln(err)
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}
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defer conn.Close()
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buff := make([]byte, 1024)
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log.Println("Running")
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routes.Timer()
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for {
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n, UDPAddr, err := conn.ReadFromUDP(buff)
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if err != nil {
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log.Fatalln(err)
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}
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_ = UDPAddr
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if err := rip.MParse(&buff, n); err != nil {
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log.Fatalln(err)
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}
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routes.ParseRoutes(*UDPAddr, &rip.RIP)
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for _, v := range routes.Routes {
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fmt.Printf("Route:%s\tSubnet:%s\tNexthop:%s\tMetric:%d\tTime: %v\n", v.Addr.String(), v.Subnet.String(), v.Nexthop.String(), v.Metric, v.TTL.Unix())
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}
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rtable.Add(routes)
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fmt.Println("")
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}
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}
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