refact: refactored sniffer to allow several parsers

modules/net_sniff_stats.go

@@ -0,0 +1,51 @@
+package modules
+
+import (
+	"github.com/evilsocket/bettercap-ng/log"
+	"time"
+)
+
+type SnifferStats struct {
+	NumLocal    uint64
+	NumMatched  uint64
+	NumDumped   uint64
+	NumWrote    uint64
+	Started     time.Time
+	FirstPacket time.Time
+	LastPacket  time.Time
+}
+
+func NewSnifferStats() *SnifferStats {
+	return &SnifferStats{
+		NumLocal:    0,
+		NumMatched:  0,
+		NumDumped:   0,
+		NumWrote:    0,
+		Started:     time.Now(),
+		FirstPacket: time.Time{},
+		LastPacket:  time.Time{},
+	}
+}
+
+func (s *SnifferStats) Print() error {
+	first := "never"
+	last := "never"
+
+	if s.FirstPacket.IsZero() == false {
+		first = s.FirstPacket.String()
+	}
+
+	if s.LastPacket.IsZero() == false {
+		last = s.LastPacket.String()
+	}
+
+	log.Info("Sniffer Started    : %s", s.Started)
+	log.Info("First Packet Seen  : %s", first)
+	log.Info("Last Packet Seen   : %s", last)
+	log.Info("Local Packets      : %d", s.NumLocal)
+	log.Info("Matched Packets    : %d", s.NumMatched)
+	log.Info("Dumped Packets     : %d", s.NumDumped)
+	log.Info("Wrote Packets      : %d", s.NumWrote)
+
+	return nil
+}