/// <summary>
/// Sets the size of the PDU.
/// </summary>
/// <param name="pduMessage">The PDU formatted SMS message to send.</param>
private void SetSize(PduSmsMessage pduMessage)
{
// Set the size.
this.port.Write(string.Format(CultureInfo.InvariantCulture, "AT+CMGS={0}\r\n", pduMessage.Length));
// Validate response.
while (true)
{
var response = this.GetPortResponse();
if (response.IndexOf("ERROR", StringComparison.OrdinalIgnoreCase) != -1)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Got error response '{0}'.", response));
}
if (SmsSender.Debug)
{
Console.WriteLine("SetContent() got response: '{0}'.", response.Trim());
}
if (response.IndexOf(">", StringComparison.OrdinalIgnoreCase) != -1)
{
break;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="SmsSender" /> class.
/// </summary>
/// <param name="portName">The name of the serial port.</param>
/// <param name="countryCode">The number's country code.</param>
/// <param name="localNumber">The number in local format.</param>
/// <param name="text">The text to send.</param>
public SmsSender(string portName, short countryCode, long localNumber, string text)
{
if (string.IsNullOrWhiteSpace(portName))
{
throw new ArgumentException("A port name must be specified.", "portName");
}
if (string.IsNullOrWhiteSpace(text))
{
throw new ArgumentNullException("A text must be specified.", "text");
}
// Port creation.
this.port = new SerialPort(portName, SmsSender.BaudRate);
this.port.DataReceived += this.DataReceived;
// Number composition.
var numberOfDigits = localNumber.ToString(CultureInfo.InvariantCulture).Length;
var fullNumber = ((long)(countryCode * Math.Pow(10, numberOfDigits))) + localNumber;
this.pduMessages = text.Length <= PduSmsMessage.MaximumSmsTextLength ? new[] { new PduSmsMessage(fullNumber, text) } : PduSmsMessage.GetConcatenatedMessages(fullNumber, text);
}