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// *****************************************************************************
// recorder_scope.cpp Recorder project
// *****************************************************************************
//
// File description:
//
// A quick oscilloscope-like visualizer for the flight recorder
//
//
//
//
//
//
//
//
// *****************************************************************************
// This software is licensed under the GNU General Public License v3+
// (C) 2017-2019, Christophe de Dinechin <christophe@dinechin.org>
// (C) 2018, Frediano Ziglio <fziglio@redhat.com>
// *****************************************************************************
// This file is part of Recorder
//
// Recorder is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Recorder is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Recorder, in a file named COPYING.
// If not, see <https://www.gnu.org/licenses/>.
// *****************************************************************************
#include "recorder_view.h"
#include "recorder_slider.h"
#include "recorder.h"
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtWidgets/QVBoxLayout>
static void usage(const char *progname)
// ----------------------------------------------------------------------------
// Display usage information about the program
// ----------------------------------------------------------------------------
{
printf("Usage: %s [[-c config][-s slider][chan_re]...]\n"
"\n"
" Arguments:\n"
" chan_re : Add view with channels matching regexp\n"
" -c config : Send configuration command\n"
" -s slider : Setup a control slider\n"
" -d delay : Set max delay in seconds\n"
" -w samples : Set max width in samples (0 = window width)\n"
" -t : Show/hide time graph\n"
" -m : Show/hide min/max graph\n"
" -a : Show/hide average graph\n"
" -n : Show/hide normal vaue graph\n"
" -r ratio : Set averaging ratio in percent\n"
" -b basename : Set basename for saving data\n"
" -g WxH@XxY : Set window geometry to W x H pixels\n"
"\n"
" Configuration syntax for -c matches RECORDER_TRACES syntax\n"
" Slider syntax is slider[=value[:min:max]]\n"
"\n"
" See http://github.com/c3d/recorder for more information\n"
"\n"
" Examples of arguments:\n"
" -c '.*errors' : Enable display of all errors\n"
" -c rate=10 : Set 'rate' tweak to 10\n"
" -s rate=10:2:39 : Create slider to set 'rate'\n"
" initial value 10, range 2 to 39\n"
" my_graph : Show graph for channel 'my_graph'\n"
" (min|max)_rate : Show min_rate and max_rate graph\n",
progname);
}
int main(int argc, char *argv[])
// ----------------------------------------------------------------------------
// Create the main widget for the oscilloscope and display it
// ----------------------------------------------------------------------------
{
recorder_trace_set(".*_warning|.*_error");
const char *path = recorder_export_file();
recorder_chans_p chans = recorder_chans_open(path);
if (!chans)
{
fprintf(stderr, "Unable to open recorder shared memory '%s'\n", path);
return 1;
}
QApplication a(argc, argv);
QMainWindow window;
QWidget *widget = new QWidget;
QVBoxLayout *layout = new QVBoxLayout;
int views = 0;
int configurations = 0;
int width = -1, height = -1;
int posx = -1, posy = -1;
for (int a = 1; a < argc; a++)
{
QString arg = argv[a];
if (arg == "-h")
{
usage(argv[0]);
}
else if (arg == "-n")
{
RecorderView::showNormal = !RecorderView::showNormal;
}
else if (arg == "-t")
{
RecorderView::showTiming = !RecorderView::showTiming;
}
else if (arg == "-m")
{
RecorderView::showMinMax = !RecorderView::showMinMax;
}
else if (arg == "-a")
{
RecorderView::showAverage = !RecorderView::showAverage;
}
else if (arg == "-c" && a+1 < argc)
{
if (!recorder_chans_configure(chans, argv[++a]))
{
fprintf(stderr, "Insufficient command space to send '%s'\n",
argv[a]);
return 3;
}
configurations++;
}
else if (arg == "-s" && a+1 < argc)
{
QGroupBox *slider = RecorderSlider::make(path, chans, argv[++a]);
layout->addWidget(slider);
}
else if (arg == "-d" && a+1 < argc)
{
RecorderView::maxDuration = strtod(argv[++a], NULL);
}
else if (arg == "-w" && a+1 < argc)
{
RecorderView::maxWidth = strtoul(argv[++a], NULL, 10);
}
else if (arg == "-r" && a+1 < argc)
{
double ratio = strtod(argv[++a], NULL);
if (ratio <= 0.0 || ratio >= 100.0)
fprintf(stderr, "Ratio %f must be in 0-100\n", ratio);
else
RecorderView::averagingRatio = ratio * 0.01;
}
else if (arg == "-b" && a+1 < argc)
{
RecorderView::saveBaseName = argv[++a];
}
else if (arg == "-g" && a+1 < argc)
{
int rc = sscanf(argv[++a], "%dx%d@%dx%d",
&width, &height, &posx, &posy);
if (rc != 2 && rc != 4)
fprintf(stderr, "-g %s was invalid, "
"width=%d, height=%d, x=%d, y=%d\n",
argv[a], width, height, posx, posy);
}
else if (arg[0] == '-')
{
fprintf(stderr, "Invalid option %s\n", argv[a]);
usage(argv[0]);
}
else
{
RecorderView *view = new RecorderView(path, chans, argv[a]);
layout->addWidget(view);
views++;
}
}
if (views == 0 && configurations == 0)
{
RecorderView *recorderView = new RecorderView(path, chans, ".*");
layout->addWidget(recorderView);
}
int result = 0;
if (views > 0 || configurations == 0)
{
layout->setContentsMargins(4, 4, 4, 4);
widget->setLayout(layout);
window.setCentralWidget(widget);
if (width > 0 && height > 0)
window.resize(width, height);
if (posx > 0 && posy > 0)
window.move(posx, posy);
window.show();
result = a.exec();
}
recorder_chans_close(chans);
return result;
}
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