private static void PingController(object state)
{
ControllerPinger.Change(Timeout.Infinite, Timeout.Infinite);
bool connected = true;
if (FDAControllerClient == null)
{
connected = false;
}
else
if (FDAControllerClient.Client == null)
{
connected = false;
}
else
{
if (!FDAControllerClient.Connected)
{
connected = false;
}
else
{
try
{
connected = !(FDAControllerClient.Client.Poll(1, SelectMode.SelectRead));
}
catch (SocketException)
{
connected = false;
}
}
}
if (!connected)
{
ControllerConnectionStatus = ConnectionStatus.Disconnected;
if (!bg_ControllerConnect.IsBusy)
{
bg_ControllerConnect.RunWorkerAsync(new string[] { Host, FDAName, "True" });
}
}
else
{
// controller is connected, ask it for the FDA status
string statusJson = SendCommandToFDAController("FDASTATUS\0");
Status = FDAStatus.Deserialize(statusJson);
// and update the GUI, if it's open
_mainForm?.SetFDAStatus(Status);
//if (Status.RunStatus == "Running")
//{
// _mainForm?.SetFDAStatus("Normal");
// // get the FDA Run time
// string ticksString = SendCommandToFDAController("RUNTIME\0");
// long ticks;
// if (long.TryParse(ticksString, out ticks))
// {
// _FDARuntime = ticks;
// _mainForm?.SetRunTime(ticks);
// }
// //Thread.Sleep(1000);
// // and the DBType (if we don't already know it)
// if (_FDADBType == "")
// {
// _FDADBType = SendCommandToFDAController("DBTYPE\0");
// if (_FDADBType != "")
// _mainForm?.SetDBType(_FDADBType);
// }
// // and the version number (if we don't already know it)
// if (_FDAVersion == "")
// {
// _FDAVersion = SendCommandToFDAController("VERSION\0");
// if (_FDAVersion != "")
// _mainForm?.SetVersion(_FDAVersion);
// }
//}
//else
//{
// _mainForm?.SetFDAStatus("Stopped");
// _FDARuntime = 0;
// _FDAVersion = "";
// _FDADBType = "";
//}
// reset the ping timer
ControllerPinger.Change(ControllerPingRate, ControllerPingRate);
}
}
private void CheckFDAProcess(bool controllerRunning)
{
Color textcolor = GoodColor;
string result;
string statusText;
bool runstatus = ProcessRunning("FDACore");
// is the FDA running?
if (runstatus)
{
_isStarting = false;
statusText = "FDACore process is running";
textcolor = GoodColor;
if (controllerRunning)
{
// Get the current FDA status
result = SendRequest(_controllerIP, _controllerPort, "FDASTATUS\0");
FDAStatus status = null;
try
{
status = FDAStatus.Deserialize(result);
}
catch { }
if (result == null)
{
return;
}
if (status.RunStatus != "")
{
statusText += ", the status is '" + status.RunStatus + "'";
}
if (status.RunMode != "")
{
statusText += "\nFDACore mode is '" + status.RunMode + "'";
}
// ask the FDA controller for the FDA's current queue count (serves as an 'FDA is responsive' test)
//result = SendRequest(_controllerIP, _controllerPort, "TOTALQUEUECOUNT\0");
if (status.TotalQueueCount > -1)
{
statusText += "\n" + status.TotalQueueCount + " items in the communications queues";
}
}
}
else
{
statusText = "FDACore process is not running";
textcolor = BadColor;
if (!_isStarting && controllerRunning)
{
SafePropertySet(btnFDA, "Enabled", true);
SafePropertySet(btnFDA, "Text", "Start");
}
}
SafePropertySet(lblFDA, "Text", statusText);
SafePropertySet(lblFDA, "ForeColor", textcolor);
SetButtonMode(btnFDA, runstatus);
}