Envoy/Downloads/GoNetDev-master/Protocols/Frame.go

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2023-10-27 16:45:33 +00:00
package Protocols
import (
"github.com/sabouaram/GoNetDev/Protocols/Utils"
"reflect"
)
var Buffer_Channel chan Frame
type Frame struct {
Eth *Ethernet
Arph *ARP
Iph *IP
Icmph *ICMP
/*others*/
}
func NewFrame() *Frame {
frame := Frame{}
frame.Eth = NewEthHeader()
frame.Arph = NewArpHeader()
frame.Iph = NewIpv4Header()
frame.Icmph = NewICMPHeader()
return &frame
}
func (frame *Frame) FrameBytes() (byte_array []byte) {
sRValue := reflect.ValueOf(frame).Elem()
sRType := sRValue.Type()
array := [][]byte{}
for i := 0; i < sRType.NumField(); i++ {
value := sRValue.Field(i).Interface()
switch sRType.Field(i).Name {
case "Eth":
{
eth, _ := value.(*Ethernet)
array = append(array, eth.EthernetBytes())
}
case "Arph":
{
arph, _ := value.(*ARP)
array = append(array, arph.ARPBytes())
}
case "Iph":
{
iph, _ := value.(*IP)
array = append(array, iph.IPV4Bytes())
}
case "Icmph":
{
icmph, _ := value.(*ICMP)
array = append(array, icmph.ICMPBytes())
}
}
}
return Utils.ConcatAppend(array)
}