public bool SendSMS(TextMessage TextMessage)
{
if (SimCards.Exists(s => s.PhoneNumber == TextMessage.PAN))
{
Log.Information("!!Attempt to send to UTAP SIM!! - PIN: {PIN} SIM: {SIM}", TextMessage.PIN, TextMessage.PAN);
return(false);
}
var sim = SimCards.Find(s => s.PhoneNumber == TextMessage.SIM);
var success = false;
try
{
lock (sim.locker)
{
SendCommand(sim.COMPort, ATCommands._CONFIRM_AT_DEVICE, 3000);
SendCommand(sim.COMPort, ATCommands._SET_MESSAGE_FORMAT, 3000);
SendCommand(sim.COMPort, ATCommands._SET_REPORTING_STATUS, 3000);
var Messages = UTAPEncoding.EncodePDU(TextMessage.PIN, TextMessage.PAN, TextMessage.Message, TextMessage.RefNumber);
foreach (var message in Messages)
{
SendCommand(sim.COMPort, string.Format(ATCommands._START_SEND_MESSAGE, (message.Length - 2) / 2), 3000);
SendCommand(sim.COMPort, message + char.ConvertFromUtf32(26) + "\r", 10000);
}
success = true;
}
}
catch (Exception ex)
{
Log.Error("Exception in SendSMS - From: {PIN} To: {PAN} Ex: {ex}", TextMessage.PIN, TextMessage.PAN, ex.Message);
}
return(success);
}
private async Task InboundMessageReader()
{
while (true)
{
try
{
var messages = new List <SMS>();
foreach (SimCard sim in SimCards)
{
if (sim.Connected)
{
try
{
lock (sim.locker)
{
var allMessages = SendCommand(sim.COMPort, ATCommands._GET_ALL_MESSAGES, 3000);
Regex r = new Regex(RegexStrings._MATCH_MESSAGES);
Match m = r.Match(allMessages);
var indexes = new List <string>();
while (m.Success)
{
indexes.Add(m.Groups["Index"].Value);
m = m.NextMatch();
}
foreach (string index in indexes)
{
var message = SendCommand(sim.COMPort, string.Format(ATCommands._GET_MESSAGE, index), 3000);
Regex messageMatcher = new Regex(RegexStrings._MATCH_MESSAGE);
Match messageMatch = messageMatcher.Match(message);
while (messageMatch.Success)
{
try
{
SMS msg = new SMS
{
From = UTAPEncoding.DecodePDUSender(messageMatch.Groups["Body"].Value)
};
if (msg.From.StartsWith("44"))
{
msg.From = "0" + msg.From.Remove(0, 2);
}
else if (msg.From.StartsWith("+44"))
{
msg.From = "0" + msg.From.Remove(0, 3);
}
msg.To = sim.PhoneNumber;
msg.Timestamp = DateTime.UtcNow;
msg.Body = UTAPEncoding.DecodePDUMessage(messageMatch.Groups["Body"].Value);
if (msg.Body != null)
{
_queue.Post(msg);
}
}
catch (Exception ex)
{
Log.Information("Exception on decode message - To: {To} Ex: {ex}", sim.PhoneNumber, ex.Message);
}
SendCommand(sim.COMPort, string.Format(ATCommands._DELETE_MESSAGE, index), 3000);
messageMatch = m.NextMatch();
}
}
}
}
catch (Exception ex)
{
Log.Error("Exception in InboundMessageReader on message parse - SimNumber: {SimNumber} Port: {Port} Ex: {ex}", sim.PhoneNumber, sim.COMPort.PortName, ex.Message);
}
}
}
}
catch (Exception ex)
{
Log.Error("Exception in InboundMessageReader: {ex}", ex.Message);
}
finally
{
await Task.Delay(10000);
}
}
}
