go-emlid/cmd/discover/main.go

package main

import (
	"context"
	"encoding/json"
	"fmt"
	"os"
	"time"

	"forge.cadoles.com/cadoles/go-emlid/reach/discovery"
	"github.com/pkg/errors"
)

func main() {
	resolver := discovery.NewResolver()

	found, err := resolver.Scan(context.Background(), 1*time.Second)
	if err != nil {
		fmt.Printf("[FATAL] %+v", errors.WithStack(err))
		os.Exit(1)
	}

	for srv := range found {
		data, err := json.MarshalIndent(struct {
			Addr   string `json:"addr"`
			Name   string `json:"name"`
			Device string `json:"device"`
		}{
			Name:   srv.Name,
			Addr:   fmt.Sprintf("%s:%d", srv.AddrV4.String(), srv.Port),
			Device: srv.Device,
		}, "", "  ")
		if err != nil {
			fmt.Printf("[FATAL] %+v", errors.WithStack(err))
			os.Exit(1)
		}

		fmt.Printf("%s\n", data)
	}
}