/// <summary>
/// Send a command to the driver
/// </summary>
/// <param name="requestData">Details of the command to send</param>
/// <returns>Background thread on which the command is executing</returns>
public Thread DriverCommand(RequestData requestData)
{
try // Process the command
{
Application.DoEvents();
// Process the command on a separate thread allowing other requests to be handled concurrently through this thread, which is running the Windows message loop
Thread driverThread = new Thread(new ParameterizedThreadStart(ProcessCommand)); // Create a new thread on which to make the call to the COM driver
if (ServerForm.DebugTraceState)
{
ServerForm.LogMessage1(requestData, requestData.Elements[ServerForm.URL_ELEMENT_METHOD], $"DriverCommand has received a command for {deviceKey} on FORM thread {Thread.CurrentThread.ManagedThreadId} Apartment state: {Thread.CurrentThread.GetApartmentState()} Is background: {Thread.CurrentThread.IsBackground} Is thread pool thread: {Thread.CurrentThread.IsThreadPoolThread}");
}
driverThread.Start(requestData); // Start the thread supplying the request data to the method
if (ServerForm.DebugTraceState)
{
ServerForm.LogMessage1(requestData, requestData.Elements[ServerForm.URL_ELEMENT_METHOD], $"DriverCommand has started the command for {deviceKey} on FORM thread { Thread.CurrentThread.ManagedThreadId}");
}
return(driverThread); // Return the thread so that the calling method can wait for it to complete and so that this thread can start waiting for the next command
}
catch (Exception ex) // Something serious has gone wrong with the ASCOM Remote server itself so report this to the user
{
ServerForm.LogException1(requestData, "DriverCommand", ex.ToString());
restServer.Return500Error(requestData, "Internal server error (DriverOnSeparateThread): " + ex.ToString());
}
return(null);
}
/// <summary>
/// Send a command to the driver
/// </summary>
/// <param name="requestData">Details of the command to send</param>
public void DriverCommand(RequestData requestData)
{
try // Process the command
{
if (ServerForm.DebugTraceState)
{
ServerForm.LogMessage1(requestData, requestData.Elements[ServerForm.URL_ELEMENT_METHOD], string.Format("DriverCommand has received a command for {0} on thread {1}", deviceKey, Thread.CurrentThread.ManagedThreadId));
}
Application.DoEvents();
restServer.ProcessDriverCommand(requestData);
if (ServerForm.DebugTraceState)
{
ServerForm.LogMessage1(requestData, requestData.Elements[ServerForm.URL_ELEMENT_METHOD], string.Format("DriverCommand has completed the command for {0} on thread {1}", deviceKey, Thread.CurrentThread.ManagedThreadId));
}
}
catch (Exception ex) // Something serious has gone wrong with the ASCOM Rest server itself so report this to the user
{
ServerForm.LogException1(requestData, "DriverCommand", ex.ToString());
restServer.Return500Error(requestData, "Internal server error (DriverOnSeparateThread): " + ex.ToString());
}
}