picomap/cmd/info/main.go

package main

import (
	"encoding/hex"
	"log/slog"
	"net"
	"os"
	"sync"
	"time"

	"github.com/theater/picomap/lib/client"
)

type deviceResult struct {
	dev  string
	info *client.ResponseInfo
	err  error
}

func main() {
	if err := run(); err != nil {
		slog.Error("fatal", "err", err)
		os.Exit(1)
	}
}

func run() error {
	devs, err := client.ListSerial()
	if err != nil {
		return err
	}
	if len(devs) == 0 {
		slog.Error("no devices found")
		os.Exit(1)
	}

	results := make([]deviceResult, len(devs))
	var wg sync.WaitGroup
	for i, dev := range devs {
		results[i].dev = dev
		log := slog.With("dev", dev)
		wg.Go(func() {
			log.Info("connecting")
			c, err := client.NewSerial(dev, 2*time.Second)
			if err != nil {
				results[i].err = err
				return
			}
			log.Info("requesting info")
			info, err := c.Info()
			c.Close()
			if err != nil {
				results[i].err = err
				return
			}
			log.Info("got info", "firmware", info.FirmwareName)
			results[i].info = info
		})
	}
	wg.Wait()

	for _, r := range results {
		if r.err != nil {
			slog.Error("device error", "dev", r.dev, "err", r.err)
			continue
		}
		slog.Info("device",
			"dev", r.dev,
			"board_id", hex.EncodeToString(r.info.BoardID[:]),
			"mac", net.HardwareAddr(r.info.MAC[:]).String(),
			"ip", net.IP(r.info.IP[:]).String(),
			"firmware", r.info.FirmwareName)
	}

	return nil
}