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VolumeQuota.go
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/
VolumeQuota.go
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package pfcpType
import (
"encoding/binary"
"fmt"
)
type VolumeQuota struct {
Dlvol bool
Ulvol bool
Tovol bool
TotalVolume uint64
UplinkVolume uint64
DownlinkVolume uint64
}
func (v *VolumeQuota) MarshalBinary() (data []byte, err error) {
var idx uint16 = 0
// Octet 5
tmpUint8 := btou(v.Dlvol)<<2 |
btou(v.Ulvol)<<1 |
btou(v.Tovol)
data = append([]byte(""), tmpUint8)
idx = idx + 1
// Octet m to (m+7)
if v.Tovol {
data = append(data, make([]byte, 8)...)
binary.BigEndian.PutUint64(data[idx:], v.TotalVolume)
idx = idx + 8
}
// Octet p to (p+7)
if v.Ulvol {
data = append(data, make([]byte, 8)...)
binary.BigEndian.PutUint64(data[idx:], v.UplinkVolume)
idx = idx + 8
}
// Octet q to (q+7)
if v.Dlvol {
data = append(data, make([]byte, 8)...)
binary.BigEndian.PutUint64(data[idx:], v.DownlinkVolume)
}
return data, nil
}
func (v *VolumeQuota) UnmarshalBinary(data []byte) error {
length := uint16(len(data))
var idx uint16 = 0
// Octet 5
if length < idx+1 {
return fmt.Errorf("Inadequate TLV length: %d", length)
}
v.Dlvol = utob(data[idx] & BitMask3)
v.Ulvol = utob(data[idx] & BitMask2)
v.Tovol = utob(data[idx] & BitMask1)
idx = idx + 1
// Octet m to (m+7)
if v.Tovol {
if length < idx+8 {
return fmt.Errorf("Inadequate TLV length: %d", length)
}
v.TotalVolume = binary.BigEndian.Uint64(data[idx:])
idx = idx + 8
}
// Octet p to (p+7)
if v.Ulvol {
if length < idx+8 {
return fmt.Errorf("Inadequate TLV length: %d", length)
}
v.UplinkVolume = binary.BigEndian.Uint64(data[idx:])
idx = idx + 8
}
// Octet q to (q+7)
if v.Dlvol {
if length < idx+8 {
return fmt.Errorf("Inadequate TLV length: %d", length)
}
v.DownlinkVolume = binary.BigEndian.Uint64(data[idx:])
idx = idx + 8
}
if length != idx {
return fmt.Errorf("Inadequate TLV length: %d", length)
}
return nil
}