package discovery
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
|
|
"github.com/bboozzoo/mconnect/logger"
|
|
)
|
|
|
|
type Listener struct {
|
|
conn *net.UDPConn
|
|
}
|
|
|
|
func NewListener() (*Listener, error) {
|
|
addr := net.UDPAddr{
|
|
Port: 1714,
|
|
}
|
|
conn, err := net.ListenUDP("udp", &addr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
listener := &Listener{
|
|
conn: conn,
|
|
}
|
|
|
|
return listener, nil
|
|
}
|
|
|
|
func (l *Listener) Receive(ctx context.Context) {
|
|
log := logger.FromContext(ctx)
|
|
buf := make([]byte, 4096)
|
|
count, addr, err := l.conn.ReadFromUDP(buf)
|
|
if err != nil {
|
|
log.Printf("listen failed: %v", err)
|
|
}
|
|
|
|
log.Printf("got %v bytes from %v", count, addr)
|
|
log.Printf("data:\n%s", string(buf))
|
|
}
|