saprus update

server/utils/raw_packet_send.go

@@ -1,6 +1,8 @@
 package utils
 
 import (
+	//"bytes"
+	//"encoding/binary"
 	"log"
 	"net"
 	"unicode/utf8"
@@ -8,6 +10,8 @@ import (
 	"github.com/google/gopacket"
 	"github.com/google/gopacket/layers"
 	"github.com/mdlayher/packet"
+
+	"saprusserver/structs"
 )
 
 type SocketCall struct {
@@ -44,11 +48,6 @@ func (c* SocketCall)init(data string) {
         iface, _ := net.InterfaceByName("virbr0")
         conn, err := packet.Listen(iface, packet.Raw, int(layers.EthernetTypeIPv4), nil)
 
-        payload := []byte(data)
-        if len(payload) > 1500 {
-                log.Printf("Larger than 1500 -- %d", len(payload))
-        }
-
         if err != nil {
                 log.Panic(err)
         }
@@ -72,6 +71,10 @@ func (c* SocketCall)init(data string) {
                 SrcPort: 6868,
                 DstPort: 6767,
         }
+	saprus := structs.SaprusHeaderFrame{
+		MagicNumber:	132,
+		Payload:	[]byte(data),
+	}
 
         buf := gopacket.NewSerializeBuffer()
         opts := gopacket.SerializeOptions{
@@ -80,7 +83,7 @@ func (c* SocketCall)init(data string) {
         }
 
         udp.SetNetworkLayerForChecksum(&ip)
-        err = gopacket.SerializeLayers(buf, opts, &eth, &ip, &udp, gopacket.Payload(payload))
+        err = gopacket.SerializeLayers(buf, opts, &eth, &ip, &udp, gopacket.Payload(saprus.Bytes()))
         if err != nil {
                 log.Panic(err)
         }

server/utils/service.go

@@ -4,6 +4,3 @@ import (
 
 )
 
-type SaprusPacket struct {
-	callType [2]string
-}