NAS_NotificationResponse.go

// Code generated by generate.sh, DO NOT EDIT.

package nasMessage

import (
	"bytes"
	"encoding/binary"
	"fmt"

	"github.com/free5gc/nas/nasType"
)

type NotificationResponse struct {
	nasType.ExtendedProtocolDiscriminator
	nasType.SpareHalfOctetAndSecurityHeaderType
	nasType.NotificationResponseMessageIdentity
	*nasType.PDUSessionStatus
}

func NewNotificationResponse(iei uint8) (notificationResponse *NotificationResponse) {
	notificationResponse = &NotificationResponse{}
	return notificationResponse
}

const (
	NotificationResponsePDUSessionStatusType uint8 = 0x50
)

func (a *NotificationResponse) EncodeNotificationResponse(buffer *bytes.Buffer) error {
	if err := binary.Write(buffer, binary.BigEndian, a.ExtendedProtocolDiscriminator.Octet); err != nil {
		return fmt.Errorf("NAS encode error (NotificationResponse/ExtendedProtocolDiscriminator): %w", err)
	}
	if err := binary.Write(buffer, binary.BigEndian, a.SpareHalfOctetAndSecurityHeaderType.Octet); err != nil {
		return fmt.Errorf("NAS encode error (NotificationResponse/SpareHalfOctetAndSecurityHeaderType): %w", err)
	}
	if err := binary.Write(buffer, binary.BigEndian, a.NotificationResponseMessageIdentity.Octet); err != nil {
		return fmt.Errorf("NAS encode error (NotificationResponse/NotificationResponseMessageIdentity): %w", err)
	}
	if a.PDUSessionStatus != nil {
		if err := binary.Write(buffer, binary.BigEndian, a.PDUSessionStatus.GetIei()); err != nil {
			return fmt.Errorf("NAS encode error (NotificationResponse/PDUSessionStatus): %w", err)
		}
		if err := binary.Write(buffer, binary.BigEndian, a.PDUSessionStatus.GetLen()); err != nil {
			return fmt.Errorf("NAS encode error (NotificationResponse/PDUSessionStatus): %w", err)
		}
		if err := binary.Write(buffer, binary.BigEndian, a.PDUSessionStatus.Buffer); err != nil {
			return fmt.Errorf("NAS encode error (NotificationResponse/PDUSessionStatus): %w", err)
		}
	}
	return nil
}

func (a *NotificationResponse) DecodeNotificationResponse(byteArray *[]byte) error {
	buffer := bytes.NewBuffer(*byteArray)
	if err := binary.Read(buffer, binary.BigEndian, &a.ExtendedProtocolDiscriminator.Octet); err != nil {
		return fmt.Errorf("NAS decode error (NotificationResponse/ExtendedProtocolDiscriminator): %w", err)
	}
	if err := binary.Read(buffer, binary.BigEndian, &a.SpareHalfOctetAndSecurityHeaderType.Octet); err != nil {
		return fmt.Errorf("NAS decode error (NotificationResponse/SpareHalfOctetAndSecurityHeaderType): %w", err)
	}
	if err := binary.Read(buffer, binary.BigEndian, &a.NotificationResponseMessageIdentity.Octet); err != nil {
		return fmt.Errorf("NAS decode error (NotificationResponse/NotificationResponseMessageIdentity): %w", err)
	}
	for buffer.Len() > 0 {
		var ieiN uint8
		var tmpIeiN uint8
		if err := binary.Read(buffer, binary.BigEndian, &ieiN); err != nil {
			return fmt.Errorf("NAS decode error (NotificationResponse/iei): %w", err)
		}
		// fmt.Println(ieiN)
		if ieiN >= 0x80 {
			tmpIeiN = (ieiN & 0xf0) >> 4
		} else {
			tmpIeiN = ieiN
		}
		// fmt.Println("type", tmpIeiN)
		switch tmpIeiN {
		case NotificationResponsePDUSessionStatusType:
			a.PDUSessionStatus = nasType.NewPDUSessionStatus(ieiN)
			if err := binary.Read(buffer, binary.BigEndian, &a.PDUSessionStatus.Len); err != nil {
				return fmt.Errorf("NAS decode error (NotificationResponse/PDUSessionStatus): %w", err)
			}
			if a.PDUSessionStatus.Len < 2 || a.PDUSessionStatus.Len > 32 {
				return fmt.Errorf("invalid ie length (NotificationResponse/PDUSessionStatus): %d", a.PDUSessionStatus.Len)
			}
			a.PDUSessionStatus.SetLen(a.PDUSessionStatus.GetLen())
			if err := binary.Read(buffer, binary.BigEndian, a.PDUSessionStatus.Buffer); err != nil {
				return fmt.Errorf("NAS decode error (NotificationResponse/PDUSessionStatus): %w", err)
			}
		default:
		}
	}
	return nil
}