/// <summary> Called to create a DataSm object </summary>
/// <param name="defaultEncoding"></param>
/// <param name="buf"></param>
/// <param name="offset"></param>
/// <returns> DataSm </returns>
public static DataSm Create(DataCodings defaultEncoding, SmppBuffer buf, ref int offset)
{
DataSm dataSm = new DataSm(defaultEncoding);
try
{
int start_offset = offset;
buf.ExtractHeader(dataSm, ref offset);
dataSm.ServiceType = buf.ExtractCString(ref offset);
dataSm.SourceTon = buf.ExtractByte(ref offset);
dataSm.SourceNpi = buf.ExtractByte(ref offset);
dataSm.SourceAddr = buf.ExtractCString(ref offset);
dataSm.DestTon = buf.ExtractByte(ref offset);
dataSm.DestNpi = buf.ExtractByte(ref offset);
dataSm.DestAddr = buf.ExtractCString(ref offset);
dataSm.EsmClass = buf.ExtractByte(ref offset);
dataSm.RegisteredDelivery = buf.ExtractByte(ref offset);
dataSm.DataCoding = (DataCodings)buf.ExtractByte(ref offset);
if (offset - start_offset < dataSm.Length)
{
if (dataSm.Optional == null)
{
dataSm.Optional = new TLVCollection();
}
while (offset - start_offset < dataSm.Length)
{
dataSm.Optional.Add(buf.ExtractTLV(ref offset));
}
}
if (dataSm.Optional != null && dataSm.Optional.Count > 0)
{
TLV tlv_payload = dataSm.Optional[OptionalTags.MessagePayload];
if (tlv_payload != null)
{
dataSm.UserDataBuffer = new SmppBuffer(defaultEncoding, tlv_payload.Value);
}
TLV tlv_globalSeq = dataSm.Optional[OptionalTags.SarMsgRefNum];
if (tlv_globalSeq != null)
{
dataSm.MessageReferenceNumber = SmppBuffer.BytesToShort(tlv_globalSeq.Value, 0);
}
TLV tlv_pocketsNumber = dataSm.Optional[OptionalTags.SarTotalSegments];
if (tlv_pocketsNumber != null)
{
dataSm.TotalSegments = tlv_pocketsNumber.Value[0];
}
TLV tlv_localSeq = dataSm.Optional[OptionalTags.SarSegmentSeqnum];
if (tlv_localSeq != null)
{
dataSm.SequenceNumber = tlv_localSeq.Value[0];
}
}
if (dataSm.UserDataBuffer != null && dataSm.UserDataBuffer.Length > 0)
{
dataSm.UserData = UserData.Create(dataSm.UserDataBuffer, dataSm.MessageFeature == GSMSpecificFeatures.UDHI);
}
else
{
dataSm.UserData = UserData.Create();
}
}
catch
{
dataSm = null;
}
return(dataSm);
}
/// <summary> Called to add a TLV object to the buffer </summary>
/// <param name="tlv"></param>
public void AddTLV(TLV tlv)
{
AddShort(tlv.Tag);
AddShort(tlv.Length);
AddBytes(tlv.Value);
}
/// <summary> Called to create a SubmitSm object </summary>
/// <param name="defaultEncoding"></param>
/// <param name="buf"></param>
/// <param name="offset"></param>
/// <returns> SubmitSm </returns>
public static SubmitSm Create(DataCodings defaultEncoding, SmppBuffer buf, ref int offset)
{
SubmitSm submitSm = new SubmitSm(defaultEncoding);
try
{
int start_offset = offset;
buf.ExtractHeader(submitSm, ref offset);
submitSm.ServiceType = buf.ExtractCString(ref offset);
submitSm.SourceTon = buf.ExtractByte(ref offset);
submitSm.SourceNpi = buf.ExtractByte(ref offset);
submitSm.SourceAddr = buf.ExtractCString(ref offset);
submitSm.DestTon = buf.ExtractByte(ref offset);
submitSm.DestNpi = buf.ExtractByte(ref offset);
submitSm.DestAddr = buf.ExtractCString(ref offset);
submitSm.EsmClass = buf.ExtractByte(ref offset);
submitSm.ProtocolId = buf.ExtractByte(ref offset);
submitSm.PriorityFlag = buf.ExtractByte(ref offset);
submitSm.ScheduleDeliveryTime = buf.ExtractCString(ref offset);
submitSm.ValidityPeriod = buf.ExtractCString(ref offset);
submitSm.RegisteredDelivery = buf.ExtractByte(ref offset);
submitSm.ReplaceIfPresent = buf.ExtractByte(ref offset);
submitSm.DataCoding = (DataCodings)buf.ExtractByte(ref offset);
submitSm.DefaultMsgId = buf.ExtractByte(ref offset);
submitSm.ShortMessageLength = buf.ExtractByte(ref offset);
if (submitSm.ShortMessageLength > 0)
{
submitSm.UserDataBuffer = new SmppBuffer(defaultEncoding, buf.ExtractByteArray(ref offset, submitSm.ShortMessageLength));
}
while (offset - start_offset < submitSm.Length)
{
submitSm.Optional.Add(buf.ExtractTLV(ref offset));
}
if (submitSm.ShortMessageLength == 0)
{
if (submitSm.Optional != null && submitSm.Optional.Count > 0)
{
TLV tlv_payload = submitSm.Optional[OptionalTags.MessagePayload];
if (tlv_payload != null)
{
submitSm.UserDataBuffer = new SmppBuffer(defaultEncoding, tlv_payload.Value);
}
TLV tlv_globalSeq = submitSm.Optional[OptionalTags.SarMsgRefNum];
if (tlv_globalSeq != null)
{
submitSm.MessageReferenceNumber = SmppBuffer.BytesToShort(tlv_globalSeq.Value, 0);
}
TLV tlv_pocketsNumber = submitSm.Optional[OptionalTags.SarTotalSegments];
if (tlv_pocketsNumber != null)
{
submitSm.TotalSegments = tlv_pocketsNumber.Value[0];
}
TLV tlv_localSeq = submitSm.Optional[OptionalTags.SarSegmentSeqnum];
if (tlv_localSeq != null)
{
submitSm.SeqmentNumber = tlv_localSeq.Value[0];
}
}
}
if (submitSm.UserDataBuffer != null && submitSm.UserDataBuffer.Length > 0)
{
bool hasUDHI = submitSm.MessageFeature == GSMSpecificFeatures.UDHI || submitSm.MessageFeature == GSMSpecificFeatures.UDHIandReplyPath;
submitSm.UserData = UserData.Create(submitSm.UserDataBuffer, hasUDHI);
if (submitSm.UserData.Headers.Count > 0)
{
UserDataHeader udh = submitSm.UserData.Headers[InformationElementIdentifiers.ConcatenatedShortMessages8bit];
if (udh != null)
{
submitSm.MessageReferenceNumber = udh.Data[0];
submitSm.TotalSegments = udh.Data[1];
submitSm.SeqmentNumber = udh.Data[2];
}
udh = submitSm.UserData.Headers[InformationElementIdentifiers.ConcatenatedShortMessage16bit];
if (udh != null)
{
submitSm.MessageReferenceNumber = SmppBuffer.BytesToShort(udh.Data, 0);
submitSm.TotalSegments = udh.Data[2];
submitSm.SeqmentNumber = udh.Data[3];
}
}
}
else
{
submitSm.UserData = UserData.Create();
}
}
catch
{
submitSm = null;
}
return(submitSm);
}