cosmetic changes to mshark

Author: shadowy-pycoder

layers/dns.go

@@ -589,6 +589,8 @@ func svcparamkeydesc(key uint16) string {
 		svcdesc = "ohttp"
 	case 9:
 		svcdesc = "tls-supported-groups"
+	default:
+		svcdesc = "Unknown"
 	}
 	return svcdesc
 }

layers/layers.go

@@ -47,6 +47,7 @@ type Layer interface {
 }
 
 func GetNextLayer(layer string) Layer {
+	// TODO (shadowy-pycoder): add this to NextLayer, choose by ports, parse, use fallback on error
 	switch layer {
 	case "ETH":
 		return &EthernetFrame{}

mshark.go

@@ -8,6 +8,7 @@ import (
 	"net"
 	"os"
 	"os/signal"
+	"strings"
 	"time"
 
 	"github.com/mdlayher/packet"
@@ -18,13 +19,14 @@ import (
 
 const unixEthPAll int = 0x03
 
-var colorMap = map[int]string{
+var colorMap = map[int]string{ // TODO (shadowy-pycoder): add colors from shadowy-pycoder/colors
 	0: "\033[37m",
 	1: "\033[36m",
 	2: "\033[32m",
 	3: "\033[33m",
 	4: "\033[35m",
 }
+var packetDelimeter = "\033[37m" + strings.Repeat("─", 66) + "\033[0m"
 
 var _ PacketWriter = &Writer{}
 
@@ -80,8 +82,8 @@ func (mw *Writer) printPacket(layer layers.Layer, layerNum int) {
 // Timestamps are to be generated by the calling code.
 func (mw *Writer) WritePacket(timestamp time.Time, data []byte) error {
 	mw.packets++
-	fmt.Fprintf(mw.w, "- Packet: %d Timestamp: %s\n", mw.packets, timestamp.Format("2006-01-02T15:04:05-0700"))
-	fmt.Fprintln(mw.w, "==================================================================")
+	fmt.Fprintf(mw.w, "- Packet: %d Timestamp: %s\n", mw.packets, timestamp.Format("2006-01-02T15:04:05.000000-0700"))
+	fmt.Fprintln(mw.w, packetDelimeter)
 	next := layers.GetNextLayer("ETH")
 	if next == nil {
 		return nil