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main.go
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main.go
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package main
import (
"fmt"
"strings"
"time"
"github.com/alecthomas/kong"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"golang.org/x/exp/maps"
"github.com/rydyb/osci"
"github.com/rydyb/telnet"
)
var cli struct {
Debug bool `name:"debug" default:"false"`
Timeout int `name:"timeout" default:"1"`
Host string `name:"host" required:""`
Port int `name:"port" required:""`
Identity struct{} `cmd:"identity"`
Measurements struct{} `cmd:"measurements"`
}
func main() {
args := kong.Parse(&cli)
zerolog.SetGlobalLevel(zerolog.InfoLevel)
if cli.Debug {
zerolog.SetGlobalLevel(zerolog.DebugLevel)
}
client := &osci.Client{
Client: telnet.Client{
Timeout: time.Duration(cli.Timeout) * time.Second,
Address: fmt.Sprintf("%s:%d", cli.Host, cli.Port),
},
}
if err := client.Open(); err != nil {
log.Fatal().Err(err).Msg("failed to open client connection")
}
defer client.Close()
switch args.Command() {
case "identity":
out, err := client.Identity()
if err != nil {
log.Fatal().Err(err).Msg("failed to query identity")
}
fmt.Println(out)
case "measurements":
out, err := client.Measurements()
if err != nil {
log.Fatal().Err(err).Msg("failed to query measurements")
}
fmt.Println(strings.Join(maps.Keys(out), ", "))
fmt.Println(strings.Join(maps.Values(out), ", "))
default:
log.Fatal().Msgf("invalid command: %s", args.Command())
}
}