package kcp import ( "sync/atomic" "github.com/pkg/errors" "golang.org/x/net/ipv4" ) func (s *UDPSession) defaultTx(txqueue []ipv4.Message) { nbytes := 0 npkts := 0 for k := range txqueue { if n, err := s.conn.WriteTo(txqueue[k].Buffers[0], txqueue[k].Addr); err == nil { nbytes += n npkts++ xmitBuf.Put(txqueue[k].Buffers[0]) } else { s.notifyWriteError(errors.WithStack(err)) break } } atomic.AddUint64(&DefaultSnmp.OutPkts, uint64(npkts)) atomic.AddUint64(&DefaultSnmp.OutBytes, uint64(nbytes)) }