// Sandbox area for testing/debugging stuff, not used
private void chart_Click(object sender, EventArgs e)
{
if (chart_gui.logfile != null)
{
Timeslice max_timeslice;
max_timeslice.start = 0;
max_timeslice.end = chart_gui.logfile.point_list[chart_gui.logfile.point_list.Count - 1].timestamp;
chart_gui.update_timeslice_data(max_timeslice);
// using (StreamWriter file = new StreamWriter("test.txt"))
// {
// foreach (Logfile_Point point in logfile.point_list)
// {
// /*
// string raw_data = "";
// for (int i = 0; i < point.num_bytes; i++)
// raw_data += point.data[i].ToString() + " ";
// file.WriteLine("Message Number: " + point.point_number + " Timestamp: " + point.timestamp + " Raw Data: " + raw_data);
// foreach (Logfile_Signal_Point signal_point in point.signal_point_list)
// {
// file.WriteLine("\t" + signal_point.name + ": " + signal_point.value);
// }
// */
// int index = point.signal_point_list.IndexOf(point.signal_point_list.Find(signal => !Convert.ToBoolean(string.Compare(signal.name, "Total_Engine_Hours"))));
// if (index != -1)
// {
// string raw_data = "";
// for (int i = 0; i < point.num_bytes; i++)
// raw_data += point.data[i].ToString() + " ";
// file.WriteLine("Message Number: " + point.point_number + " Timestamp: " + point.timestamp + " Raw Data: " + raw_data);
// file.WriteLine("\t" + point.signal_point_list[index].name + ":\t\t\t" + point.signal_point_list[index].value);
// }
// }
// }
}
/*
* for (int i=0; i<checkedListBox_signals.CheckedItems.Count; i++)
* {
* MessageBox.Show(checkedListBox_signals.CheckedItems[i].ToString());
* }
*/
}
private void parser_DoWork(object sender, DoWorkEventArgs e)
{
// Populate logfile object
chart_gui.logfile.num_points = 0;
chart_gui.logfile.num_unique_signals = 0;
// Find number of messages in file
string[] lastLine = File.ReadLines(chart_gui.logfile.path).Last().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
int num_bytes_last_line = int.Parse(lastLine[4]);
int num_messages = int.Parse(lastLine[5 + num_bytes_last_line]);
// Keep track of progress percentage
int progress_percentage = 0;
int progress_percentage_prev = 0;
// Populates database_ object with database data
using (StreamReader reader = new StreamReader(chart_gui.logfile.path))
{
// Continue reading if not at end
while (!reader.EndOfStream)
{
// Read next line
string curr_log_line = reader.ReadLine();
string[] log_line_words = curr_log_line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
// Checks if it not trigger line, if is, skip
if (Convert.ToBoolean(string.Compare(log_line_words[1], "Trigger")))
{
// Add and populate new logfile point
Logfile_Point new_point = new Logfile_Point();
// Initialize signal_point list
new_point.num_signal_points = 0;
new_point.timestamp = Double.Parse(log_line_words[0]);
new_point.channel = Int32.Parse(log_line_words[1]);
int index_of_x = log_line_words[2].IndexOf(@"x");
if (index_of_x != -1) // Valid IDs end in x
{
new_point.id = Int64.Parse(log_line_words[2].Remove(index_of_x, 1));
}
else
{
new_point.id = Int64.Parse(log_line_words[2]);
}
if (Equals(log_line_words[3], "Rx"))
{
new_point.direction = 0;
}
else if (Equals(log_line_words[3], "Tx"))
{
new_point.direction = 1;
}
else
{
new_point.direction = 2;
}
new_point.num_bytes = int.Parse(log_line_words[4]);
new_point.data = new int[new_point.num_bytes];
for (int i = 0; i < new_point.num_bytes; i++)
{
new_point.data[i] = int.Parse(log_line_words[5 + i]);
}
new_point.point_number = int.Parse(log_line_words[5 + new_point.num_bytes]);
//MessageBox.Show(new_point.point_number.ToString());
// Matches point with corresponding message_format in database file
// Finds and stores database and database message indices used by point
new_point.database_index = -1; // These are initially set to not found, but if found in any database, will be updated
new_point.database_message_index = -1; // These are initially set to not found, but if found in any database, will be updated
foreach (Database current_database in chart_gui.database_set.databases)
{
if (current_database.message_list.IndexOf(current_database.message_list.Find(x => x.id == new_point.id)) != -1)
{
new_point.database_index = chart_gui.database_set.databases.IndexOf(current_database);
new_point.database_message_index = current_database.message_list.IndexOf(current_database.message_list.Find(x => x.id == new_point.id));
}
}
// Convert bytewise data representation into bit array
bool[] data_bit_array = new bool[new_point.num_bytes * 8];
for (int i = 0; i < new_point.num_bytes; i++)
{
for (int j = 0; j < 8; j++)
{
data_bit_array[(i * 8) + j] = Convert.ToBoolean(new_point.data[i] & (1 << j));
}
}
// If database message format not found for point
if (new_point.database_index == -1 || new_point.database_message_index == -1)
{
//MessageBox.Show("Not Decoding logfile line number <" + new_point.point_number + "> with Timestamp <" + new_point.timestamp + ">");
}
else
{
// Populate signal point list with all signals contained in logfile point
int num_signals = chart_gui.database_set.databases[new_point.database_index].message_list[new_point.database_message_index].num_signals; // Number of signals in current point
for (int i = 0; i < num_signals; i++)
{
// Calculate raw value using little endian
int start_bit = chart_gui.database_set.databases[new_point.database_index].message_list[new_point.database_message_index].signal_list[i].start_bit;
int num_bits = chart_gui.database_set.databases[new_point.database_index].message_list[new_point.database_message_index].signal_list[i].length;
long raw_value = 0; // Raw little-endian value of signal
for (int bit_array_index = start_bit; bit_array_index < start_bit + num_bits; bit_array_index++)
{
raw_value += Convert.ToInt64(data_bit_array[bit_array_index]) * Convert.ToInt64(Math.Pow(2, bit_array_index - start_bit));
}
//MessageBox.Show("Logfile Message #: " + new_point.point_number + " Timestamp: " + new_point.timestamp + " Signal Value: " + raw_value);
// Apply scaling, and offset (note, endian is not considered because I don't know what it does)
double scale = chart_gui.database_set.databases[new_point.database_index].message_list[new_point.database_message_index].signal_list[i].scale;
double offset = chart_gui.database_set.databases[new_point.database_index].message_list[new_point.database_message_index].signal_list[i].offset;
double final_value = (raw_value * scale) + offset;
// Add new signal to signal list and store values in new signal
Logfile_Signal_Point new_signal_point = new Logfile_Signal_Point();
new_signal_point.name = chart_gui.database_set.databases[new_point.database_index].message_list[new_point.database_message_index].signal_list[i].name;
new_signal_point.value = final_value;
new_point.signal_point_list.Add(new_signal_point);
new_point.num_signal_points++;
// Check if signal is new signal and if so, add to unique_signal list
if (chart_gui.logfile.unique_signals.Exists(x => x == new_signal_point.name) == false)
{
chart_gui.logfile.unique_signals.Add(new_signal_point.name);
chart_gui.logfile.num_unique_signals++;
}
}
}
// Adds logfile point to point list
chart_gui.logfile.point_list.Add(new_point);
chart_gui.logfile.num_points++;
// Track progress and update progress bar
progress_percentage = (chart_gui.logfile.num_points) * 50 / num_messages; // Half of work done here, half done below
if (progress_percentage > progress_percentage_prev)
{
parser.ReportProgress(progress_percentage);
}
progress_percentage_prev = progress_percentage;
// Checks if cancelled
if (parser.CancellationPending)
{
e.Cancel = true;
// Reverts all changes to logfile
chart_gui.logfile = new Logfile();
return;
}
}
}
}
// Chart_GUI update_logfile begin
// Populate list of series, one series for each unique signal
foreach (string unique_signal_name in chart_gui.logfile.unique_signals)
{
Series new_series = new Series(unique_signal_name);
//MessageBox.Show(new_series.Name);
// Stylize new series
new_series.Enabled = true;
new_series.ChartArea = ""; // Set to zero length string for it to not be plotted
new_series.ChartType = SeriesChartType.Line;
new_series.MarkerStyle = MarkerStyle.Square;
new_series.MarkerColor = Color.White;
new_series.Color = Color.White;
new_series.LabelBackColor = Color.White;
chart_gui.series.Add(new_series);
}
int point_num = 0;
// For every signal in every message, add the data to that signal's series
foreach (Logfile_Point point in chart_gui.logfile.point_list)
{
foreach (Logfile_Signal_Point signal_point in point.signal_point_list)
{
chart_gui.series.Find(x => !Convert.ToBoolean(string.Compare(signal_point.name, x.Name))).Points.AddXY(point.timestamp, signal_point.value);
}
// Track progress and update progress bar
progress_percentage = (point_num) * 50 / num_messages + 50; // Other half of work done here
if (progress_percentage > progress_percentage_prev)
{
parser.ReportProgress(progress_percentage);
}
progress_percentage_prev = progress_percentage;
point_num++;
// Checks if cancelled
if (parser.CancellationPending)
{
e.Cancel = true;
// Reverts all changes to logfile
chart_gui.logfile = new Logfile();
return;
}
}
// Set timeslice initially to max width of logfile
Timeslice max_timeslice;
max_timeslice.start = 0;
max_timeslice.end = Convert.ToInt32(chart_gui.logfile.point_list[chart_gui.logfile.point_list.Count - 1].timestamp * 1.1);
chart_gui.update_timeslice_data(max_timeslice);
chart_gui.logfile.update_CheckedListBox(checked_list_box);
}