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main.go
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/
main.go
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package main
import (
"context"
"log"
"time"
"github.com/plgd-dev/go-coap/v2/net"
"github.com/plgd-dev/go-coap/v2/udp"
"github.com/plgd-dev/go-coap/v2/udp/client"
"github.com/plgd-dev/go-coap/v2/udp/message/pool"
)
func main() {
l, err := net.NewListenUDP("udp4", "")
if err != nil {
log.Println(err)
return
}
defer l.Close()
s := udp.NewServer()
defer s.Stop()
go func() {
err := s.Serve(l)
if err != nil {
log.Println(err)
}
}()
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
err = s.Discover(ctx, "224.0.1.187:5683", "/oic/res", func(cc *client.ClientConn, resp *pool.Message) {
log.Printf("discovered %v: %+v", cc.RemoteAddr(), resp.Message)
})
if err != nil {
log.Println(err)
}
}