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session-set-deletion-response.go
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session-set-deletion-response.go
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// Copyright 2019-2024 go-pfcp authors. All rights reserved.
// Use of this source code is governed by a MIT-style license that can be
// found in the LICENSE file.
package message
import (
"github.com/wmnsk/go-pfcp/ie"
)
// SessionSetDeletionResponse is a SessionSetDeletionResponse formed PFCP Header and its IEs above.
type SessionSetDeletionResponse struct {
*Header
NodeID *ie.IE
Cause *ie.IE
OffendingIE *ie.IE
IEs []*ie.IE
}
// NewSessionSetDeletionResponse creates a new SessionSetDeletionResponse.
func NewSessionSetDeletionResponse(seq uint32, id, cause, offending *ie.IE, ies ...*ie.IE) *SessionSetDeletionResponse {
m := &SessionSetDeletionResponse{
Header: NewHeader(
1, 0, 0, 0,
MsgTypeSessionSetDeletionResponse, 0, seq, 0,
nil,
),
NodeID: id,
Cause: cause,
OffendingIE: offending,
IEs: ies,
}
m.SetLength()
return m
}
// Marshal returns the byte sequence generated from a SessionSetDeletionResponse.
func (m *SessionSetDeletionResponse) Marshal() ([]byte, error) {
b := make([]byte, m.MarshalLen())
if err := m.MarshalTo(b); err != nil {
return nil, err
}
return b, nil
}
// MarshalTo puts the byte sequence in the byte array given as b.
func (m *SessionSetDeletionResponse) MarshalTo(b []byte) error {
if m.Header.Payload != nil {
m.Header.Payload = nil
}
m.Header.Payload = make([]byte, m.MarshalLen()-m.Header.MarshalLen())
offset := 0
if i := m.NodeID; i != nil {
if err := i.MarshalTo(m.Payload[offset:]); err != nil {
return err
}
offset += i.MarshalLen()
}
if i := m.Cause; i != nil {
if err := i.MarshalTo(m.Payload[offset:]); err != nil {
return err
}
offset += i.MarshalLen()
}
if i := m.OffendingIE; i != nil {
if err := i.MarshalTo(m.Payload[offset:]); err != nil {
return err
}
offset += i.MarshalLen()
}
for _, ie := range m.IEs {
if ie == nil {
continue
}
if err := ie.MarshalTo(m.Header.Payload[offset:]); err != nil {
return err
}
offset += ie.MarshalLen()
}
m.Header.SetLength()
return m.Header.MarshalTo(b)
}
// ParseSessionSetDeletionResponse decodes a given byte sequence as a SessionSetDeletionResponse.
func ParseSessionSetDeletionResponse(b []byte) (*SessionSetDeletionResponse, error) {
m := &SessionSetDeletionResponse{}
if err := m.UnmarshalBinary(b); err != nil {
return nil, err
}
return m, nil
}
// UnmarshalBinary decodes a given byte sequence as a SessionSetDeletionResponse.
func (m *SessionSetDeletionResponse) UnmarshalBinary(b []byte) error {
var err error
m.Header, err = ParseHeader(b)
if err != nil {
return err
}
if len(m.Header.Payload) < 2 {
return nil
}
ies, err := ie.ParseMultiIEs(m.Header.Payload)
if err != nil {
return err
}
for _, i := range ies {
switch i.Type {
case ie.NodeID:
m.NodeID = i
case ie.Cause:
m.Cause = i
case ie.OffendingIE:
m.OffendingIE = i
default:
m.IEs = append(m.IEs, i)
}
}
return nil
}
// MarshalLen returns the serial length of Data.
func (m *SessionSetDeletionResponse) MarshalLen() int {
l := m.Header.MarshalLen() - len(m.Header.Payload)
if i := m.NodeID; i != nil {
l += i.MarshalLen()
}
if i := m.Cause; i != nil {
l += i.MarshalLen()
}
if i := m.OffendingIE; i != nil {
l += i.MarshalLen()
}
for _, ie := range m.IEs {
if ie == nil {
continue
}
l += ie.MarshalLen()
}
return l
}
// SetLength sets the length in Length field.
func (m *SessionSetDeletionResponse) SetLength() {
m.Header.Length = uint16(m.MarshalLen() - 4)
}
// MessageTypeName returns the name of protocol.
func (m *SessionSetDeletionResponse) MessageTypeName() string {
return "Node Report Response"
}
// SEID returns the SEID in uint64.
func (m *SessionSetDeletionResponse) SEID() uint64 {
return m.Header.seid()
}