// Use this string when setting up internal database connection functions.
// readonly string connString = ServiceMain.YamlSettings?.ServiceConfig?.SqlitePath!;
public CommFacilitator(Serial serialSettings)
{
portSettings = serialSettings;
if (serialSettings.UseLegacyFrameSize)
{
frameSize = 240;
}
else
{
frameSize = 63993;
}
password = serialSettings.Password;
try
{
// Set the serial port properties and try to open it.
receiver_id = serialSettings.ReceiverId;
ComPort = new CommPort(serialSettings);
CommState = new LisCommState(this);
rcvTimer = new CountdownTimer(-1, ReceiptTimedOut);
transTimer = new CountdownTimer(-1, TransactionTimedOut);
CurrentMessage = new Message(this);
// Set the handler for the DataReceived event.
ComPort.PortDataReceived += CommPortDataReceived !;
ComPort.Open();
AppendToLog($"Port opened: {serialSettings.Portname}");
idleTimer.AutoReset = true;
idleTimer.Elapsed += new System.Timers.ElapsedEventHandler(IdleTime);
if (serialSettings.AutoSendOrders > 0)
{
idleTimer.Elapsed += WorklistTimedEvent;
idleTimer.Interval = serialSettings.AutoSendOrders;
}
else
{
idleTimer.Interval = 10000;
}
idleTimer.Start();
}
catch (Exception ex)
{
HandleEx(ex);
throw;
}
}
void CommPortDataReceived(object sender, EventArgs e)
{
/* When new data is received,
* parse the message line-by-line.
*/
IPortAdapter port = (IPortAdapter)sender;
StringBuilder buffer = new StringBuilder();
try
{
idleTimer.Stop();
#if DEBUG
System.Diagnostics.Stopwatch stopwatch = System.Diagnostics.Stopwatch.StartNew(); // This stopwatch is an attempt at performance optimization.
#endif
/* There are a few messages that won't end in a NewLine,
* so we have to read one character at a time until we run out of them.
*/
// Read one char at a time until the ReadChar times out.
try
{
buffer.Append(port.ReadChars());
}
catch (Exception)
{
#if DEBUG
stopwatch.Stop();
#endif
}
#if DEBUG
ServiceMain.AppendToLog($"Elapsed port read time: {stopwatch.ElapsedMilliseconds}");
#endif
ServiceMain.AppendToLog($"In: \t{buffer}");
CommState.RcvInput(buffer.ToString());
idleTimer.Start();
}
catch (Exception ex)
{
ServiceMain.HandleEx(ex);
throw;
}
}
