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);
}
private bool ProcessConnectedPrinter()
{
try
{
if (Status == PrinterStatus.Error_PrinterNotAlive)
{
return(false);
}
if (!IsOpen)
{
Status = PrinterStatus.Error_PrinterNotAlive;
}
BaseController controllerSelf = ControllerSelf;
if (controllerSelf != null)
{
controllerSelf.DoConnectionLogic();
if (!controllerSelf.IsWorking || Status == PrinterStatus.Firmware_PrintingPaused)
{
var num = CurrentRPC_id.Value;
if (num != 0U && (int)num != (int)Info.synchronization.LastCompletedRPCID)
{
Info.synchronization.LastCompletedRPCID = num;
}
}
else
{
lock (lockResetTimer)
{
if (lockResetTimer.IsRunning)
{
lockResetTimer.Restart();
}
}
}
if (lockStatus == PrinterConnection.LockStatus.Pending && Status != PrinterStatus.Connecting && (!controllerSelf.IsWorking && !controllerSelf.IsPrinting || Status == PrinterStatus.Firmware_PrintingPaused))
{
lockStatus = PrinterConnection.LockStatus.Locked;
Info.synchronization.Locked = true;
BroadcastServer.SendMessageToClient(clientID, new SpoolerMessage(MessageType.LockConfirmed, Info.serial_number, lockID.ToString()).Serialize());
}
if (controllerSelf.Idle && lockStatus == PrinterConnection.LockStatus.Locked)
{
lock (lockResetTimer)
{
if (!lockResetTimer.IsRunning)
{
lockResetTimer.Restart();
}
if (lockResetTimer.Elapsed.TotalSeconds > 30.0)
{
DoBreakLock();
}
}
}
else
{
lock (lockResetTimer)
{
if (lockResetTimer.IsRunning)
{
lockResetTimer.Stop();
}
}
}
}
}
catch (Exception ex)
{
if (ex.Message.ToString().ToLower() != "unable to write program memory. the serial port is not open.")
{
ErrorLogger.LogException("PrinterConnection Exception", ex);
}
Shutdown();
return(false);
}
return(true);
}