internal static byte[] EncodeString(string str, SmppEncodingService smppEncodingService)
{
if (str == null)
{
str = "";
}
return(smppEncodingService.GetBytesFromString(str));
}
protected override IEnumerable <SendSmPDU> GetPDUs(DataCoding defaultEncoding, SmppEncodingService smppEncodingService)
{
SubmitSm sm = CreateSubmitSm(smppEncodingService);
sm.SourceAddress.Address = vSourceAddress;
sm.DestinationAddress.Address = vDestinatinoAddress; // Urgh, typo :(
sm.DataCoding = defaultEncoding;
if (SubmitUserMessageReference)
{
sm.SetOptionalParamString(Lib.Protocol.Tlv.Tag.user_message_reference, UserMessageReference);
}
if (vRegisterDeliveryNotification)
{
sm.RegisteredDelivery = RegisteredDelivery.DeliveryReceipt;
}
vMaxMessageLength = GetMaxMessageLength(defaultEncoding, false);
byte[] bytes = smppEncodingService.GetBytesFromString(vText, defaultEncoding);
// Unicode encoding return 2 items for 1 char
// We check vText Length first
if (vText.Length > vMaxMessageLength && bytes.Length > vMaxMessageLength) // Split into multiple!
{
var SegID = new Random().Next(1000, 9999); // create random SegmentID
vMaxMessageLength = GetMaxMessageLength(defaultEncoding, true);
var messages = Split(vText, vMaxMessageLength);
var totalSegments = messages.Count; // get the number of (how many) parts
var udh = new Udh(SegID, totalSegments, 0); // ID, Total, part
for (int i = 0; i < totalSegments; i++)
{
udh.MessageSequence = i + 1; // seq+1 , - parts of the message
sm.SetMessageText(messages[i], defaultEncoding, udh); // send parts of the message + all other UDH settings
yield return(sm);
}
}
else
{
sm.SetMessageBytes(bytes);
yield return(sm);
}
}