Example #1
0
// SendLongSMS sends an SMS message with given text to the given address,
// the encoding and other parameters are default.
// If the message is very long, it will be sent in parts.
func (d *Device) SendLongSMS(text string, address sms.PhoneNumber) (err error) {
	defer func() {
		multipartReferenceNumber = uint16((uint32(multipartReferenceNumber) + 1) & 0xFFFF)
	}()

	msg := sms.Message{
		Text:     text,
		Type:     sms.MessageTypes.Submit,
		Encoding: sms.Encodings.Gsm7Bit,
		Address:  address,
		VPFormat: sms.ValidityPeriodFormats.Relative,
		VP:       sms.ValidityPeriod(24 * time.Hour * 4),
	}
	maxSize := 130
	for _, w := range text {
		// detected a double-width char
		if w > 1 {
			msg.Encoding = sms.Encodings.UCS2
			maxSize = 60
			break
		}
	}

	msgParts := util.SplitStringBySize(text, maxSize)
	numberOfParts := byte(255)
	if len(msgParts) <= 255 {
		numberOfParts = byte(len(msgParts))
	}
	msg.UserDataStartsWithHeader = numberOfParts > 1
	for index, part := range msgParts {
		msg.MessageReference = messageReferenceCounter
		msg.Text = part
		if msg.Encoding == sms.Encodings.UCS2 {
		}
		if numberOfParts > 1 {
			msg.UserDataHeader.ConcatenationIE = sms.ConcatenationInformationElement{NumberOfParts: numberOfParts, PartNumber: byte(index + 1), ReferenceNumber: multipartReferenceNumber}
		}
		messageReferenceCounter = byte((uint16(messageReferenceCounter) + 1) & 0xFF)

		if index >= int(numberOfParts) {
			break
		}

		n, octets, err := msg.PDU()
		if err != nil {
			return err
		}
		if err = d.Commands.CMGS(n, octets); err != nil {
			return err
		}
	}

	return
}
Example #2
0
// SendSMS sends an SMS message with given text to the given address,
// the encoding and other parameters are default.
func (d *Device) SendSMS(text string, address sms.PhoneNumber) (err error) {
	msg := sms.Message{
		Text:     text,
		Type:     sms.MessageTypes.Submit,
		Encoding: sms.Encodings.Gsm7Bit,
		Address:  address,
		VPFormat: sms.ValidityPeriodFormats.Relative,
		VP:       sms.ValidityPeriod(24 * time.Hour * 4),
	}
	for _, w := range text {
		// detected a double-width char
		if w > 1 {
			msg.Encoding = sms.Encodings.UCS2
			break
		}
	}
	n, octets, err := msg.PDU()
	if err != nil {
		return err
	}
	err = d.Commands.CMGS(n, octets)
	return
}