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path: root/parse/parse.go
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package main

import (
	"fmt"
	"log"

	//"dim13.org/asn1/ber"
	"dim13.org/asn1/acse"
	"dim13.org/asn1/csta"
	"dim13.org/asn1/rose"

	"github.com/dim13/asn1"
	"github.com/kr/pretty"
)

var t = map[byte]string{
	0x60: "ACSE Associate Request",
	0x61: "ACSE Associate Result",
	0x62: "ACSE Release Request",
	0x63: "ACSE Release Result",
	0x64: "ACSE Abort",
	0xa1: "ROSE Invoke",
	0xa2: "ROSE Response",
}

func unmarshal(b []byte, v interface{}) {
	_, err := asn1.Unmarshal(b, v)
	if err != nil {
		log.Fatal(err)
	}
	pretty.Println(v)
}

func main() {
	for n, s := range session {
		fmt.Println(">>> packet", n, t[s[0]])
		//fmt.Println(ber.Dump(s))
		switch s[0] {
		case 0xa1:
			id, opcode, buf, err := rose.Unmarshal(s)
			if err != nil {
				fmt.Println(err)
			}
			if m, ok := csta.Modules[opcode]; ok {
				fmt.Println("Opcode:", m)
			}
			switch opcode {
			case csta.SystemStatusOpcode:
				ss := &csta.SystemStatusArg{}
				asn1.Unmarshal(buf, ss)
				fmt.Println("Status", ss.SystemStatus)
				null, _ := asn1.Marshal(asn1.Null{})
				res, err := rose.Marshal(id, opcode, null)
				if err != nil {
					fmt.Println(err)
				}
				fmt.Printf("%x\n", s)
				fmt.Printf("%x\n", res)
			case csta.MonitorStartOpcode:
				ms := &csta.MonitorStartArg{}
				asn1.Unmarshal(buf, ms)
				pretty.Println(ms)
				res, _ := asn1.Marshal(*ms)
				fmt.Printf("%x\n", buf)
				fmt.Printf("%x\n", res)
			default:
				unmarshal(s, &rose.Invoke{})
			}
		case 0xa2:
			unmarshal(s, &rose.ReturnResult{})
		case 0x60:
			unmarshal(s, &acse.AARQ{})
			a, _ := acse.Associate()
			fmt.Printf("%x\n", s)
			fmt.Printf("%x\n", a)
		case 0x61:
			unmarshal(s, &acse.AARE{})
			reason, _ := acse.AssociateResult(s)
			fmt.Println("Reason", reason)
			fmt.Println(s)
		case 0x62:
			unmarshal(s, &acse.RLRQ{})
		case 0x63:
			unmarshal(s, &acse.RLRE{})
		case 0x64:
			a := &acse.ABRT{}
			unmarshal(s, a)
			fmt.Println(a)

		}
	}
	fmt.Printf("%x\n", session[0])
	a, _ := acse.Associate()
	fmt.Printf("%x\n", a)
}