public bool DoInitialHandShaking()
{
var result = 0;
Thread.Sleep(1000);
var asciiEncoding = new ASCIIEncoding();
try
{
var stopwatch1 = new Stopwatch();
stopwatch1.Stop();
stopwatch1.Reset();
stopwatch1.Start();
var stopwatch2 = new Stopwatch();
stopwatch2.Stop();
stopwatch2.Reset();
stopwatch2.Start();
WriteToSerial(asciiEncoding.GetBytes("M115\r\n"));
InternalLogger.WriteLog("<< M115 :ASCII:", Logger.TextType.Write);
var flag1 = true;
var flag2 = false;
var flag3 = false;
var input = "";
while (!shared_shutdown.Value)
{
if (flag1 && stopwatch2.ElapsedMilliseconds > 2000L)
{
if (!flag2)
{
if (!WriteToSerial(asciiEncoding.GetBytes("M115\r\n")))
{
return(false);
}
InternalLogger.WriteLog("<< M115 :ASCII:(Resend)", Logger.TextType.Write);
stopwatch2.Stop();
stopwatch2.Reset();
stopwatch2.Start();
flag2 = true;
}
else
{
flag3 = true;
}
}
input += ReadExisting();
Match match = Regex.Match(input, "B\\d+", RegexOptions.CultureInvariant);
if (match.Success)
{
var str2 = match.Value;
if (!int.TryParse(str2.Substring(1), out result))
{
result = 0;
}
stopwatch1.Stop();
InternalLogger.WriteLog(">> " + str2, Logger.TextType.Read);
ControllerSelf = new BootloaderController(result, this, printerInfo, internal_logger, shared_shutdown, broadcastserver, MyPrinterProfile);
return(true);
}
var startIndex = input.IndexOf("ok");
if (startIndex >= 0)
{
if (flag1)
{
return(false);
}
stopwatch1.Stop();
ControllerSelf = new FirmwareController(input.Substring(startIndex), this, printerInfo, internal_logger, shared_shutdown, broadcastserver, MyPrinterProfile);
RegisterFirmwarePlugins();
return(true);
}
var length = input.IndexOf('\n');
if (length >= 0)
{
var str2 = input.Substring(0, length);
input = input.Substring(length + 1);
InternalLogger.WriteLog(">> " + str2, Logger.TextType.Read);
if (str2.Contains("e"))
{
flag3 = true;
}
}
if (flag3)
{
flag3 = false;
input = "";
if (!WriteToSerial(new GCode()
{
M = 115
}.getBinary(2)))
{
return(false);
}
InternalLogger.WriteLog("<< M115", Logger.TextType.Write);
flag1 = false;
}
}
}
catch (Exception ex)
{
ErrorLogger.LogException("Exception in PrinterConnector.DoInitialHandshaking 3 " + ex.Message, ex);
return(false);
}
return(false);
}