/* Non-Command functions */
// This function calls the open com port function of the SSP library.
public bool OpenComPort(TextBox log = null)
{
if (log != null)
{
log.AppendText("Opening com port\r\n");
}
return(LibraryHandler.OpenPort(ref cmd));
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
hopperRunning = false;
payoutRunning = false;
CHelpers.Shutdown = true;
LibraryHandler.ClosePort();
Properties.Settings.Default.Comms = logTickBox.Checked;
Properties.Settings.Default.ComPortVal1 = Global.ValidatorComPort;
Properties.Settings.Default.SSP1 = Global.Validator1SSPAddress;
Properties.Settings.Default.SSP2 = Global.Validator2SSPAddress;
Properties.Settings.Default.Save();
}
// This is used to send a command via SSP to the validator
public bool SendCommand(TextBox log)
{
if (!LibraryHandler.SendCommand(ref m_cmd, ref m_info))
{
m_Comms.UpdateLog(m_info, true);
if (log != null)
{
log.AppendText("Sending command failed\r\nPort status: " + m_cmd.ResponseStatus.ToString() + "\r\n");
}
return(false);
}
// update the log after every command
m_Comms.UpdateLog(m_info);
return(true);
}
public bool SendCommand(TextBox log)
{
// Backup data and length in case we need to retry
byte[] backup = new byte[255];
cmd.CommandData.CopyTo(backup, 0);
byte length = cmd.CommandDataLength;
// attempt to send the command
if (!LibraryHandler.SendCommand(ref cmd, ref info))
{
m_Comms.UpdateLog(info, true); // Update on fail
if (log != null)
{
log.AppendText("Sending command failed\r\nPort status: " + cmd.ResponseStatus.ToString() + "\r\n");
}
return(false);
}
// update the log after every command
m_Comms.UpdateLog(info);
return(true);
}
// This function performs a number of commands in order to setup the encryption between the host and the validator.
public bool NegotiateKeys(TextBox log = null)
{
byte i;
// make sure encryption is off
m_cmd.EncryptionStatus = false;
// send sync
if (log != null)
{
log.AppendText("Syncing... ");
}
if (!SendSync())
{
return(false);
}
if (log != null)
{
log.AppendText("Success\r\n");
}
LibraryHandler.InitiateKeys(ref m_keys, ref m_cmd);
// send generator
m_cmd.CommandData[0] = CCommands.Generic.SSP_CMD_SET_GENERATOR;
m_cmd.CommandDataLength = 9;
if (log != null)
{
log.AppendText("Setting generator... ");
}
for (i = 0; i < 8; i++)
{
m_cmd.CommandData[i + 1] = (byte)(m_keys.Generator >> (8 * i));
}
if (!SendCommand(log))
{
return(false);
}
if (log != null)
{
log.AppendText("Success\r\n");
}
// send modulus
m_cmd.CommandData[0] = CCommands.Generic.SSP_CMD_SET_MODULUS;
m_cmd.CommandDataLength = 9;
if (log != null)
{
log.AppendText("Sending modulus... ");
}
for (i = 0; i < 8; i++)
{
m_cmd.CommandData[i + 1] = (byte)(m_keys.Modulus >> (8 * i));
}
if (!SendCommand(log))
{
return(false);
}
if (log != null)
{
log.AppendText("Success\r\n");
}
// send key exchange
m_cmd.CommandData[0] = CCommands.Generic.SSP_CMD_REQUEST_KEY_EXCHANGE;
m_cmd.CommandDataLength = 9;
if (log != null)
{
log.AppendText("Exchanging keys... ");
}
for (i = 0; i < 8; i++)
{
m_cmd.CommandData[i + 1] = (byte)(m_keys.HostInter >> (8 * i));
}
if (!SendCommand(log))
{
return(false);
}
if (log != null)
{
log.AppendText("Success\r\n");
}
m_keys.SlaveInterKey = 0;
for (i = 0; i < 8; i++)
{
m_keys.SlaveInterKey += (UInt64)m_cmd.ResponseData[1 + i] << (8 * i);
}
LibraryHandler.CreateFullKey(ref m_keys);
// get full encryption key
m_cmd.Key.FixedKey = 0x0123456701234567;
m_cmd.Key.VariableKey = m_keys.KeyHost;
if (log != null)
{
log.AppendText("Keys successfully negotiated\r\n");
}
return(true);
}
// The main program loop, this is to control the validator, it polls at
// a value set in this class (pollTimer).
public void MainLoop()
{
btnRun.Enabled = false;
btnHalt.Enabled = true;
Thread tNV11Rec = null, tHopRec = null;
// Connect to the validators
ConnectToNV11(textBox1);
ConnectToHopper(textBox1);
NV11.EnableValidator();
Hopper.EnableValidator();
// While application is still active
while (!CHelpers.Shutdown)
{
// Setup form layout on first run
if (!FormSetup)
{
SetupFormLayout();
FormSetup = true;
}
// If the hopper is supposed to be running but the poll fails
if (hopperRunning && !Hopper.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to SMART Hopper\r\n");
// If the other unit isn't running, refresh the port by closing it
if (!NV11Running)
{
LibraryHandler.ClosePort();
}
hopperRunning = false;
tHopRec = new Thread(() => ReconnectHopper());
tHopRec.Start();
}
// If the NV11 is supposed to be running but the poll fails
if (NV11Running && !NV11.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to NV11\r\n");
// If the other unit isn't running, refresh the port by closing it
if (!hopperRunning)
{
LibraryHandler.ClosePort();
}
NV11Running = false;
tNV11Rec = new Thread(() => ReconnectNV11());
tNV11Rec.Start();
}
UpdateUI();
timer1.Enabled = true;
while (timer1.Enabled)
{
Application.DoEvents();
Thread.Sleep(1); // Yield so windows can schedule other threads to run
}
}
//close com port
LibraryHandler.ClosePort();
btnRun.Enabled = true;
btnHalt.Enabled = false;
}
/* Non-Command functions */
// Use the library handler to open the port
public bool OpenPort()
{
return(LibraryHandler.OpenPort(ref cmd));
}
// The main program loop, this is to control the validator, it polls at
// a value set in this class (pollTimer).
public void MainLoop()
{
this.Enabled = true;
btnRun.Enabled = false;
btnHalt.Enabled = true;
// Connect to the validators (non-threaded for initial connect)
ConnectToSMARTPayout(textBox1);
ConnectToHopper(textBox1);
// Enable validators
Payout.EnableValidator();
Hopper.EnableValidator();
// While app active
while (!CHelpers.Shutdown)
{
// Setup form layout on first run
if (!FormSetup)
{
SetupFormLayout();
FormSetup = true;
}
// If the Hopper is supposed to be running but the poll fails
if (hopperRunning && !hopperConnecting && !Hopper.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to SMART Hopper\r\n");
// If the other unit isn't running, refresh the port by closing it
if (!payoutRunning)
{
LibraryHandler.ClosePort();
}
hopperRunning = false;
// Create and start a reconnection thread, this allows this loop to continue executing
// and polling the other validator
tHopRec = new Thread(() => ReconnectHopper());
tHopRec.Start();
}
// Same as above but for the Payout
if (payoutRunning && !payoutConnecting && !Payout.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to SMART Payout\r\n");
// If the other unit isn't running, refresh the port by closing it
if (!hopperRunning)
{
LibraryHandler.ClosePort();
}
payoutRunning = false;
// Create and start a reconnection thread, this allows this loop to continue executing
// and polling the other validator
tSPRec = new Thread(() => ReconnectPayout());
tSPRec.Start();
}
UpdateUI();
timer1.Enabled = true;
while (timer1.Enabled)
{
Application.DoEvents();
}
}
btnRun.Enabled = true;
btnHalt.Enabled = false;
}
// The main program loop, this is to control the validator, it polls at
// a value set in this class (pollTimer).
public void MainLoop()
{
Enabled = true;
// Connect to the validators
ConnectToNoteValidator(textBox1);
ConnectToHopper(textBox1);
// Enable the validators
Validator.EnableValidator(textBox1);
Hopper.EnableValidator(textBox1);
// While either one is still running
while (!CHelpers.Shutdown)
{
// Setup form layout on first run
if (!FormSetup)
{
SetupFormLayout();
FormSetup = true;
}
// If the hopper is supposed to be running but the poll fails
if (hopperRunning && !Hopper.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to SMART Hopper\r\n");
hopperRunning = false;
// If the other device has also stopped, close the port
if (!validatorRunning)
{
LibraryHandler.ClosePort();
}
// Create a reconnection thread, this allows this loop to continue executing
// and polling the other validator
Thread t = new Thread(ReconnectHopper);
t.Start();
}
// If the validator is supposed to be running but the poll fails
if (validatorRunning && !Validator.DoPoll(textBox1))
{
textBox1.AppendText("Lost connection to note validator\r\n");
validatorRunning = false;
// If the other device has also stopped, close the port
if (!hopperRunning)
{
LibraryHandler.ClosePort();
}
// Create a reconnection thread, this allows this loop to continue executing
// and polling the other validator
Thread t = new Thread(ReconnectValidator);
t.Start();
}
UpdateUI();
timer1.Enabled = true;
while (timer1.Enabled)
{
Application.DoEvents();
}
}
LibraryHandler.ClosePort();
btnRun.Enabled = true;
btnHalt.Enabled = false;
}