/// <summary>
/// This method retrieves a PDU from a byte stream.
/// </summary>
/// <param name="stm">Byte stream</param>
public void Deserialize(SmppReader stm)
{
state_ = PduStatus.invalid;
try {
// Get the header from the buffer
length_ = stm.ReadInt32();
int id = stm.ReadInt32();
status_ = stm.ReadInt32();
sequenceNumber_ = stm.ReadInt32();
if (id != this.CommandId)
{
throw new UnexpectedPduException(id);
}
state_ = PduStatus.validHeader;
// Now read the body of the PDU
if (length_ > REQUIRED_SIZE)
{
this.GetFromStream(stm);
state_ |= PduStatus.validBody;
// Read any optional parameters that are present.
while (!((SmppByteStream)stm.Stream).EOS)
{
TlvParameter tlv = new TlvParameter();
try {
tlv.GetFromStream(stm);
TlvParameter tlvExisting = GetOptionalElement(tlv.Tag);
if (tlvExisting == null)
{
AddOptionalElements(tlv);
}
else
{
if (tlvExisting.Tag == tlv.Tag)
{
tlvExisting.Data = tlv.Data;
}
else
{
throw new TlvException("Read bad Tlv stream!");
}
}
} catch (ArgumentOutOfRangeException) {
}
}
}
} catch (InvalidOperationException e) {
throw new IncompletePduException(this, e);
} catch (PduException e) {
e.PDU = this;
throw e;
} catch (System.Exception e) {
throw new PduException(this, e);
}
}
