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/* sctp_graph_arwnd_dialog.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0+*/
#include "sctp_graph_arwnd_dialog.h"
#include <ui_sctp_graph_arwnd_dialog.h>
#include "sctp_assoc_analyse_dialog.h"
#include <file.h>
#include <math.h>
#include <epan/dissectors/packet-sctp.h>
#include "epan/packet.h"
#include "ui/tap-sctp-analysis.h"
#include <ui/qt/widgets/qcustomplot.h>
#include "sctp_graph_dialog.h"
SCTPGraphArwndDialog::SCTPGraphArwndDialog(QWidget *parent, sctp_assoc_info_t *assoc, _capture_file *cf, int dir) :
QDialog(parent),
ui(new Ui::SCTPGraphArwndDialog),
selected_assoc(assoc),
cap_file_(cf),
frame_num(0),
direction(dir),
startArwnd(0)
{
ui->setupUi(this);
if (!selected_assoc) {
selected_assoc = SCTPAssocAnalyseDialog::findAssocForPacket(cap_file_);
}
Qt::WindowFlags flags = Qt::Window | Qt::WindowSystemMenuHint
| Qt::WindowMinimizeButtonHint
| Qt::WindowMaximizeButtonHint
| Qt::WindowCloseButtonHint;
this->setWindowFlags(flags);
this->setWindowTitle(QString(tr("SCTP Data and Adv. Rec. Window over Time: %1 Port1 %2 Port2 %3")).arg(cf_get_display_name(cap_file_)).arg(selected_assoc->port1).arg(selected_assoc->port2));
if ((direction == 1 && selected_assoc->n_array_tsn1 == 0) || (direction == 2 && selected_assoc->n_array_tsn2 == 0)) {
QMessageBox msgBox;
msgBox.setText(tr("No Data Chunks sent"));
msgBox.exec();
return;
} else {
drawGraph();
}
}
SCTPGraphArwndDialog::~SCTPGraphArwndDialog()
{
delete ui;
}
void SCTPGraphArwndDialog::drawArwndGraph()
{
GList *listSACK = NULL, *tlist;
struct sack_chunk_header *sack_header;
struct nr_sack_chunk_header *nr_sack_header;
tsn_t *tsn;
guint8 type;
guint32 arwnd=0;
if (direction == 1) {
listSACK = g_list_last(selected_assoc->sack1);
startArwnd = selected_assoc->arwnd2;
} else {
listSACK = g_list_last(selected_assoc->sack2);
startArwnd = selected_assoc->arwnd1;
}
while (listSACK) {
tsn = (tsn_t*) (listSACK->data);
tlist = g_list_first(tsn->tsns);
while (tlist) {
type = ((struct chunk_header *)tlist->data)->type;
if (type == SCTP_SACK_CHUNK_ID) {
sack_header =(struct sack_chunk_header *)tlist->data;
arwnd = g_ntohl(sack_header->a_rwnd);
} else if (type == SCTP_NR_SACK_CHUNK_ID) {
nr_sack_header =(struct nr_sack_chunk_header *)tlist->data;
arwnd = g_ntohl(nr_sack_header->a_rwnd);
}
ya.append(arwnd);
xa.append(tsn->secs + tsn->usecs/1000000.0);
fa.append(tsn->frame_number);
tlist = g_list_next(tlist);
}
listSACK = g_list_previous(listSACK);
}
QCPScatterStyle myScatter;
myScatter.setShape(QCPScatterStyle::ssCircle);
myScatter.setSize(3);
// create graph and assign data to it:
// Add Arwnd graph
if (xa.size() > 0) {
QCPGraph *gr = ui->sctpPlot->addGraph(ui->sctpPlot->xAxis, ui->sctpPlot->yAxis);
gr->setName(QString(tr("Arwnd")));
myScatter.setPen(QPen(Qt::red));
myScatter.setBrush(Qt::red);
ui->sctpPlot->graph(0)->setScatterStyle(myScatter);
ui->sctpPlot->graph(0)->setLineStyle(QCPGraph::lsNone);
ui->sctpPlot->graph(0)->setData(xa, ya);
}
ui->sctpPlot->xAxis->setLabel(tr("time [secs]"));
ui->sctpPlot->yAxis->setLabel(tr("Advertised Receiver Window [Bytes]"));
// set axes ranges, so we see all data:
QCPRange myXArwndRange(0, (selected_assoc->max_secs+1));
// QCPRange myXArwndRange(0, 1);
QCPRange myYArwndRange(0, startArwnd);
ui->sctpPlot->xAxis->setRange(myXArwndRange);
ui->sctpPlot->yAxis->setRange(myYArwndRange);
}
void SCTPGraphArwndDialog::drawGraph()
{
ui->sctpPlot->clearGraphs();
drawArwndGraph();
ui->sctpPlot->setInteractions(QCP::iRangeZoom | QCP::iRangeDrag | QCP::iSelectPlottables);
ui->sctpPlot->axisRect(0)->setRangeZoomAxes(ui->sctpPlot->xAxis, ui->sctpPlot->yAxis);
ui->sctpPlot->axisRect(0)->setRangeZoom(Qt::Horizontal);
connect(ui->sctpPlot, SIGNAL(plottableClick(QCPAbstractPlottable*,QMouseEvent*)), this, SLOT(graphClicked(QCPAbstractPlottable*, QMouseEvent*)));
ui->sctpPlot->replot();
}
void SCTPGraphArwndDialog::on_pushButton_4_clicked()
{
ui->sctpPlot->xAxis->setRange(selected_assoc->min_secs+selected_assoc->min_usecs/1000000.0, selected_assoc->max_secs+selected_assoc->max_usecs/1000000.0);
ui->sctpPlot->yAxis->setRange(0, startArwnd);
ui->sctpPlot->replot();
}
void SCTPGraphArwndDialog::graphClicked(QCPAbstractPlottable* plottable, QMouseEvent* event)
{
if (plottable->name().contains("Arwnd", Qt::CaseInsensitive)) {
double times = ui->sctpPlot->xAxis->pixelToCoord(event->pos().x());
int i=0;
for (i = 0; i < xa.size(); i++) {
if (times <= xa.value(i)) {
frame_num = fa.at(i);
break;
}
}
if (cap_file_ && frame_num > 0) {
cf_goto_frame(cap_file_, frame_num);
}
ui->hintLabel->setText(QString(tr("<small><i>Graph %1: a_rwnd=%2 Time=%3 secs </i></small>"))
.arg(plottable->name())
.arg(ya.value(i))
.arg(xa.value(i)));
}
}
void SCTPGraphArwndDialog::on_saveButton_clicked()
{
SCTPGraphDialog::save_graph(this, ui->sctpPlot);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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