public void run()
{
// debug messages
#if (DEBUG_KEEP_SAMPLES)
logger.Error("DEBUG_KEEP_SAMPLES is enabled");
#endif
// check if there is no application instance
if (application == null)
{
logger.Error("No application instance could be created");
}
// log message
logger.Debug("Thread started");
// local variables
double[] samplePackage = null;
#if (DEBUG_SAMPLES_LOG_PERFORMANCE)
samplePackagesProcessed = 0;
#endif
// flag as running
running = true;
// check if the sytem should be configured and initialized at startup
if (startupConfigAndInit)
{
if (MainThread.configureSystem())
{
// successfully configured
// initialize
MainThread.initializeSystem();
}
else
{
// check if there is no gui
if (noGUI)
{
// message and do not start the process
MessageBox.Show("Error during configuration, check log file", "Error during configuration", MessageBoxButtons.OK, MessageBoxIcon.Error);
running = false;
}
}
}
else
{
// check if there is no gui
if (noGUI)
{
// message and do not start the process
MessageBox.Show("Error during startup, without a GUI and automatic startup arguments there is no way to run the program, check startup arguments", "Error during startup", MessageBoxButtons.OK, MessageBoxIcon.Error);
running = false;
}
}
// check if the system should be started at startup (and is ready to start)
if (startupStartRun && systemConfigured && systemInitialized)
{
// start the run
MainThread.start();
}
// set an initial output time
nextOutputTime = Stopwatch.GetTimestamp() + Stopwatch.Frequency;
// loop while running
while (running)
{
// lock for thread safety
// (very much needed, else it will make calls to other modules and indirectly the data module, which already might have stopped at that point)
lock (lockStarted) {
// check if we are processing samples
if (process)
{
// processing
// see if there samples in the queue, pick the sample for processing
samplePackage = null;
lock (samplePackagesBuffer.SyncRoot) {
// performance watch
if (Stopwatch.GetTimestamp() > nextOutputTime)
{
// check if there were sample discarded the last second
if (numSamplePackagesDiscarded > 0)
{
// message missed
logger.Error("Missed " + numSamplePackagesDiscarded + " samples, because the sample buffer was full, the roundtrip of a sample through the filter and application takes longer than the sample frequency of the source");
// reset counter
numSamplePackagesDiscarded = 0;
}
//
#if (DEBUG_SAMPLES_LOG_PERFORMANCE)
logger.Info("----------");
logger.Info("samples processed: " + samplePackagesProcessed);
logger.Info("number of samples left in buffer: " + numSamplePackagesInBuffer);
samplePackagesProcessed = 0;
#endif
// set the next time to output messages
nextOutputTime = Stopwatch.GetTimestamp() + Stopwatch.Frequency;
}
// check if there are samples in the buffer to process
if (numSamplePackagesInBuffer > 0)
{
// retrieve the sample to process (pointer to from array)
samplePackage = samplePackagesBuffer[sampleBufferReadIndex];
#if (!DEBUG_KEEP_SAMPLES)
// set the read index to the next item
sampleBufferReadIndex++;
if (sampleBufferReadIndex == sampleBufferSize)
{
sampleBufferReadIndex = 0;
}
// decrease the itemcounter as it will be processed (to make space for another item in the samples buffer)
numSamplePackagesInBuffer--;
#endif
}
}
// check if there is a sample to process
if (samplePackage != null)
{
double[] output = null;
// Announce the sample at the beginning of the pipeline
Data.pipelineProcessingStart();
// keep?
for (int i = 0; i < plugins.Count; i++)
{
plugins[i].preFiltersProcess();
}
// log data (the 'LogPipelineInputStreamValue' function will not log the samples if pipeline input logging is disabled)
Data.logPipelineInputStreamValues(samplePackage);
// TODO:
// log for visualization (the 'LogVisualizationStreamValue' function will discard the sample if visualization is disabled)
//Data.logVisualizationStreamValue(sample);
// process the sample (filters)
for (int i = 0; i < filters.Count; i++)
{
filters[i].process(samplePackage, out output);
samplePackage = output;
output = null;
}
// keep?
for (int i = 0; i < plugins.Count; i++)
{
plugins[i].postFiltersProcess();
}
// process the sample (application)
if (application != null)
{
application.process(samplePackage);
}
// Announce the sample at the end of the pipeline
Data.pipelineProcessingEnd();
// flush all plugin buffers to file
Data.writePluginData(-1);
#if (DEBUG_SAMPLES_LOG_PERFORMANCE)
samplePackagesProcessed++;
#endif
}
// sleep (when there are no samples) to allow for other processes
if (threadLoopDelayProc != -1 && numSamplePackagesInBuffer == 0)
{
// reset the manual reset event, so it is sure to block on the next call to WaitOne
//
// Note: not using AutoResetEvent because it could happen that .Set is called while not in WaitOne yet, when
// using AutoResetEvent this will cause it to skip the next WaitOne call
loopManualResetEvent.Reset();
// Sleep wait
loopManualResetEvent.WaitOne(threadLoopDelayProc); // using WaitOne because this wait is interruptable (in contrast to sleep)
}
}
else
{
// not processing
// reset the manual reset event, so it is sure to block on the next call to WaitOne
//
// Note: not using AutoResetEvent because it could happen that .Set is called while not in WaitOne yet, when
// using AutoResetEvent this will cause it to skip the next WaitOne call
loopManualResetEvent.Reset();
// Sleep wait
loopManualResetEvent.WaitOne(threadLoopDelayNoProc); // using WaitOne because this wait is interruptable (in contrast to sleep)
}
} // end lock
// check if a stop delegate wants the processing to stop
if (stopDataDelegateFlag)
{
// stop the data
Data.stop();
// reset flag
stopDataDelegateFlag = false;
}
} // end loop (running)
// stop the source, filter, view and data (if these were running)
stop(true);
// destroy the source
if (source != null)
{
source.destroy();
source = null;
}
// destroy the filters
for (int i = 0; i < filters.Count; i++)
{
filters[i].destroy();
}
// destroy the view
if (application != null)
{
application.destroy();
}
// destroy the plugins
for (int i = 0; i < plugins.Count; i++)
{
plugins[i].destroy();
}
// destroy the data class
Data.destroy();
// log message
logger.Debug("Thread stopped");
}
public static void Run(string[] args, Type applicationType)
{
// check the endianness
if (!BitConverter.IsLittleEndian)
{
logger.Error("This software assumes a little-endianness OS, your OS uses a big-endian system. Exiting");
return;
}
// TODO: check if all dependencies exists
// TODO: also 32/64 bit (freetype or other dlls)
// retrieve the current thread's culture as the initial culture
CultureInfo culture = (CultureInfo)Thread.CurrentThread.CurrentCulture.Clone();
// startup argument variables
bool nogui = false;
bool startupConfigAndInit = false;
bool startupStartRun = false;
string parameterFile = @"";
string source = "";
List <string[]> filters = new List <string[]>();
// See if we are providing a graphical user interface (GUI)
//
// Note: done seperately because it will detemine whether error messages are
// also show as message dialogs, instead of only written to the log file
for (int i = 0; i < args.Length; i++)
{
string argument = args[i].ToLower();
if (argument == "-nogui")
{
nogui = true;
}
}
// process all startup arguments
for (int i = 0; i < args.Length; i++)
{
string argument = args[i].ToLower();
// check if the configuration and initialization should be done automatically at startup
if (argument == "-startupconfigandinit")
{
startupConfigAndInit = true;
}
// check if the run should be started automatically at startup
if (argument == "-startupstartrun")
{
startupStartRun = true;
}
// check if the source is given
if (argument == "-source")
{
// the next element should be the source, try to retrieve
if (args.Length >= i + 1 && !string.IsNullOrEmpty(args[i + 1]))
{
// check if valid source
int[] sourceIdx = ArrayHelper.jaggedArrayCompare(args[i + 1], availableSources, null, new int[] { 0 }, true);
if (sourceIdx == null)
{
string errMessage = "Could not find the source module '" + args[i + 1] + "' requested as startup argument), choose one of the following: " + ArrayHelper.jaggedArrayJoin(", ", availableSources, 0);
logger.Error(errMessage);
if (!nogui)
{
MessageBox.Show(errMessage, "Requested source module not found", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return;
}
else
{
// store the source-type as a string
source = availableSources[sourceIdx[0]][1];
}
}
}
// check if the parameterfile is given
if (argument == "-parameterfile")
{
// the next element should be the parameter file, try to retrieve
if (args.Length >= i + 1 && !string.IsNullOrEmpty(args[i + 1]))
{
parameterFile = args[i + 1];
}
}
// check if the language is given
if (argument == "-language")
{
// the next element should contain the culture name
if (args.Length >= i + 1 && !string.IsNullOrEmpty(args[i + 1]))
{
try {
// overwrite the culture with the given argument, this will cause the respective language
// resource file to be used (unless it does not exists, then it will revert to english)
culture = new CultureInfo(args[i + 1]);
// message
logger.Info("Language/culture set to '" + args[i + 1] + "'");
} catch (Exception) {
// with an exception the original culture object is ruined
// therefore re(clone) the current culture from the thread
culture = (CultureInfo)Thread.CurrentThread.CurrentCulture.Clone();
// message
logger.Error("Language argument given but unknown culture, using the local culture (language)");
}
}
}
}
// adjust decimal seperator and group seperator
culture.NumberFormat.NumberDecimalSeparator = ".";
culture.NumberFormat.NumberGroupSeparator = "";
culture.NumberFormat.NumberGroupSizes = new int[] { 0 };
// set the culture for every future thread and the current thread
CultureInfo.DefaultThreadCurrentCulture = culture;
CultureInfo.DefaultThreadCurrentUICulture = culture;
Thread.CurrentThread.CurrentCulture = culture;
Thread.CurrentThread.CurrentUICulture = culture;
// try to read the pipeline modules (source and filters) from the <AppName>.Config file
try {
// if no valid source was parsed from a command-line argument, then try to retrieve a valid source from the <appname>.config file
KeyValueConfigurationElement appConfigSource = PipelineConfigurationSection.Pipeline.Source;
if (string.IsNullOrEmpty(source) && !string.IsNullOrEmpty(appConfigSource.Value))
{
int[] sourceIdx = ArrayHelper.jaggedArrayCompare(appConfigSource.Value, availableSources, null, new int[] { 0 }, true);
if (sourceIdx != null)
{
// store the source-type as a string
source = availableSources[sourceIdx[0]][1];
}
else
{
string errMessage = "Could not find the source module '" + appConfigSource.Value + "' requested in the <appname>.config file, choose one of the following: " + ArrayHelper.jaggedArrayJoin(", ", availableSources, 0);
logger.Error(errMessage);
if (!nogui)
{
MessageBox.Show(errMessage, "Requested source module not found", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return;
}
}
// if no valid filters were parsed from a command-line argument, then try to retrieve valid filters from the <appname>.config file
List <FilterConfigurationElement> appConfigFilters = PipelineConfigurationSection.Pipeline.Filters.All;
if (filters.Count == 0 && appConfigFilters.Count > 0)
{
for (int iFilter = 0; iFilter < appConfigFilters.Count; iFilter++)
{
string filterName = appConfigFilters[iFilter].Name;
string filterType = appConfigFilters[iFilter].Type;
// check if valid filter
int[] filterIdx = ArrayHelper.jaggedArrayCompare(filterType, availableFilters, null, new int[] { 0 }, true);
if (filterIdx == null)
{
string errMessage = "A filter-module of the type '" + filterType + "' was requested in the <appname>.config file, but could not be found. The following filter-types are available: " + ArrayHelper.jaggedArrayJoin(", ", availableFilters, 0);
logger.Error(errMessage);
if (!nogui)
{
MessageBox.Show(errMessage, "Requested filter module not found", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return;
}
else
{
// add the filter as a string array with two values (filter-type and filter-name)
filters.Add(new string[] { availableFilters[filterIdx[0]][1], filterName });
}
}
}
} catch (Exception e) {
string errMessage = "Error while reading the Pipeline config section in the <appname>.config file: " + e.Message;
logger.Error(errMessage);
if (!nogui)
{
MessageBox.Show(errMessage, "Error in the <appname>.config file", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
// if no source passed using command-line or <appname>.config file then allow the user to choose a source by popup
if (string.IsNullOrEmpty(source))
{
source = ListMessageBox.ShowSingle("Source", availableSources);
if (string.IsNullOrEmpty(source))
{
return;
}
}
//
// Setup and initialize Palmtree
//
// name this thread
if (Thread.CurrentThread.Name == null)
{
Thread.CurrentThread.Name = "Main Thread";
}
// create the main (control) object
MainThread mainThread = new MainThread(startupConfigAndInit, startupStartRun, nogui);
// variable for the GUI interface object
GUIMain gui = null;
// check if the GUI should be loaded/shown
if (!nogui)
{
// create the GUI interface object
gui = new GUIMain();
// create a GUI (as a separate process)
// and pass a reference to the experiment for the GUI to pull information from and push commands to the experiment object
Thread thread = new Thread(() => {
// name this thread
if (Thread.CurrentThread.Name == null)
{
Thread.CurrentThread.Name = "GUI Thread";
}
// setup the GUI
Application.EnableVisualStyles();
// start and run the GUI
//try {
Application.Run(gui);
//} catch (Exception e) {
//logger.Error("Exception in GUI: " + e.Message);
//}
// message
logger.Info("GUI (thread) stopped");
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
// wait for the GUI to start or a maximum amount of 5 seconds (5.000 / 50 = 100)
int waitCounter = 100;
while (!gui.isLoaded() && waitCounter > 0)
{
Thread.Sleep(50);
waitCounter--;
}
}
// message versions
logger.Info("MainBoot version " + MainBoot.getClassVersion());
logger.Info("MainThread version " + MainThread.getClassVersion());
// message
if (Environment.Is64BitProcess)
{
logger.Debug("Processes are run in a 64 bit environment");
}
else
{
logger.Debug("Processes are run in a 32 bit environment");
}
// setup and initialize the pipeline
if (mainThread.initPipeline(source, filters, applicationType))
{
// check if a parameter file was given to load at startup
if (!String.IsNullOrEmpty(parameterFile))
{
// load parameter file to the applications parametersets
ParameterManager.loadParameterFile(parameterFile, ParameterManager.getParameterSets());
}
// continue to run as the main thread
mainThread.run();
}
else
{
// on failure
string errMessage = "Error while initializing modules, inspect the log for more information";
logger.Error(errMessage);
if (!nogui)
{
gui.modalMessageDelegate(errMessage, "Initialization error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
// check if there is a gui, and close it by delegate
if (gui != null)
{
gui.closeDelegate();
gui = null;
Thread.Sleep(100); // allow GUI threads to terminate, before calling Application.Exit()
}
// stop all the winforms (Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed.)
Application.Exit();
// exit the environment
Environment.Exit(0);
}
