forked from linxGnu/gosmpp
/
ReplaceSM.go
77 lines (69 loc) · 2.21 KB
/
ReplaceSM.go
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package pdu
import (
"github.com/JorgenPo/gosmpp/data"
)
// ReplaceSM PDU is issued by the ESME to replace a previously submitted short message
// that is still pending delivery. The matching mechanism is based on the message_id and
// source address of the original message. Where the original submit_sm ‘source address’
// was defaulted to NULL, then the source address in the replace_sm command should also be NULL.
type ReplaceSM struct {
base
MessageID string
SourceAddr Address
ScheduleDeliveryTime string
ValidityPeriod string
RegisteredDelivery byte
Message ShortMessage
}
// NewReplaceSM returns ReplaceSM PDU.
func NewReplaceSM() PDU {
message, _ := NewShortMessage("")
message.withoutDataCoding = true
c := &ReplaceSM{
base: newBase(),
SourceAddr: NewAddress(),
ScheduleDeliveryTime: data.DFLT_SCHEDULE,
ValidityPeriod: data.DFLT_VALIDITY,
RegisteredDelivery: data.DFLT_REG_DELIVERY,
Message: message,
}
c.CommandID = data.REPLACE_SM
return c
}
// CanResponse implements PDU interface.
func (c *ReplaceSM) CanResponse() bool {
return true
}
// GetResponse implements PDU interface.
func (c *ReplaceSM) GetResponse() PDU {
return NewReplaceSMRespFromReq(c)
}
// Marshal implements PDU interface.
func (c *ReplaceSM) Marshal(b *ByteBuffer) {
c.base.marshal(b, func(b *ByteBuffer) {
b.Grow(len(c.MessageID) + len(c.ScheduleDeliveryTime) + len(c.ValidityPeriod) + 4)
_ = b.WriteCString(c.MessageID)
c.SourceAddr.Marshal(b)
_ = b.WriteCString(c.ScheduleDeliveryTime)
_ = b.WriteCString(c.ValidityPeriod)
_ = b.WriteByte(c.RegisteredDelivery)
c.Message.Marshal(b)
})
}
// Unmarshal implements PDU interface.
func (c *ReplaceSM) Unmarshal(b *ByteBuffer) error {
return c.base.unmarshal(b, func(b *ByteBuffer) (err error) {
if c.MessageID, err = b.ReadCString(); err == nil {
if err = c.SourceAddr.Unmarshal(b); err == nil {
if c.ScheduleDeliveryTime, err = b.ReadCString(); err == nil {
if c.ValidityPeriod, err = b.ReadCString(); err == nil {
if c.RegisteredDelivery, err = b.ReadByte(); err == nil {
err = c.Message.Unmarshal(b, false)
}
}
}
}
}
return
})
}