Adding ISIS example

examples/isis/main.go

+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/bio-routing/bio-rd/config"
+	"github.com/bio-routing/bio-rd/protocols/device"
+	"github.com/bio-routing/bio-rd/protocols/isis/server"
+	"github.com/bio-routing/bio-rd/protocols/isis/types"
+	log "github.com/sirupsen/logrus"
+)
+
+func main() {
+	cfg := &config.ISISConfig{
+		NETs: []config.NET{
+			{
+				AFI:      0x49,
+				AreaID:   types.AreaID{0, 0x01, 0, 0x10},
+				SystemID: types.SystemID{10, 20, 30, 40, 50, 60},
+				SEL:      0x00,
+			},
+		},
+		Interfaces: []config.ISISInterfaceConfig{
+			{
+				Name:    "virbr2",
+				Passive: false,
+				P2P:     true,
+				ISISLevel2Config: &config.ISISLevelConfig{
+					HelloInterval: 9,
+					HoldTime:      27,
+					Metric:        10,
+					Priority:      0,
+				},
+			},
+			{
+				Name:             "lo",
+				Passive:          true,
+				P2P:              true,
+				ISISLevel2Config: &config.ISISLevelConfig{},
+			},
+		},
+		TrafficEngineeringRouterID: [4]byte{10, 20, 30, 40},
+	}
+
+	ds, err := device.New()
+	if err != nil {
+		log.Errorf("Unable to get device server: %v", err)
+		os.Exit(1)
+	}
+
+	err = ds.Start()
+	if err != nil {
+		log.Errorf("Unable to start device server: %v", err)
+		os.Exit(1)
+	}
+
+	s := server.New(cfg, ds, log.New())
+	s.AddInterface(&config.ISISInterfaceConfig{
+		Name:    "virbr2",
+		Passive: false,
+		P2P:     true,
+		ISISLevel2Config: &config.ISISLevelConfig{
+			HelloInterval: 9,
+			HoldTime:      27,
+			Metric:        10,
+			Priority:      0,
+		},
+	})
+
+	go func() {
+		t := time.NewTicker(time.Second * 10)
+		for {
+			<-t.C
+			for _, lsp := range s.GetDatabase() {
+				fmt.Printf("LSP: %v\n", lsp)
+			}
+		}
+	}()
+
+	select {}
+}