nexmon – Rev 1
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/* sctp_graph_dialog.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <wsutil/utf8_entities.h>
#include "sctp_graph_dialog.h"
#include <ui_sctp_graph_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 <QFileDialog>
#include <QMessageBox>
#include "qcustomplot.h"
#include "wireshark_application.h"
SCTPGraphDialog::SCTPGraphDialog(QWidget *parent, sctp_assoc_info_t *assoc, capture_file *cf, int dir) :
QDialog(parent),
ui(new Ui::SCTPGraphDialog),
selected_assoc(assoc),
cap_file_(cf),
frame_num(0),
direction(dir),
gIsSackChunkPresent(false),
gIsNRSackChunkPresent(false)
{
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 TSNs and SACKs 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(3);
}
}
SCTPGraphDialog::~SCTPGraphDialog()
{
delete ui;
}
void SCTPGraphDialog::drawNRSACKGraph()
{
tsn_t *sack;
GList *list=NULL, *tlist;
guint16 gap_start=0, gap_end=0, i, numberOf_gaps, numberOf_nr_gaps;
guint8 type;
guint32 tsnumber, j, min_tsn;
struct nr_sack_chunk_header *nr_sack_header;
struct gaps *nr_gap;
/* This holds the sum of gap acks and nr gap acks */
guint16 total_gaps = 0;
if (direction == 1) {
list = g_list_last(selected_assoc->sack1);
min_tsn = selected_assoc->min_tsn1;
} else {
list = g_list_last(selected_assoc->sack2);
min_tsn = selected_assoc->min_tsn2;
}
while (list) {
sack = (tsn_t*) (list->data);
tlist = g_list_first(sack->tsns);
while (tlist) {
type = ((struct chunk_header *)tlist->data)->type;
if (type == SCTP_NR_SACK_CHUNK_ID) {
gIsNRSackChunkPresent = 1;
nr_sack_header =(struct nr_sack_chunk_header *)tlist->data;
numberOf_nr_gaps=g_ntohs(nr_sack_header->nr_of_nr_gaps);
numberOf_gaps=g_ntohs(nr_sack_header->nr_of_gaps);
tsnumber = g_ntohl(nr_sack_header->cum_tsn_ack);
total_gaps = numberOf_gaps + numberOf_nr_gaps;
/* If the number of nr_gaps is greater than 0 */
if (total_gaps > 0) {
nr_gap = &nr_sack_header->gaps[0];
for (i = 0; i < total_gaps; i++) {
gap_start = g_ntohs(nr_gap->start);
gap_end = g_ntohs(nr_gap->end);
for (j = gap_start; j <= gap_end; j++) {
if (i >= numberOf_gaps) {
yn.append(j + tsnumber);
xn.append(sack->secs + sack->usecs/1000000.0);
fn.append(sack->frame_number);
} else {
yg.append(j + tsnumber);
xg.append(sack->secs + sack->usecs/1000000.0);
fg.append(sack->frame_number);
}
}
if (i < total_gaps-1)
nr_gap++;
}
if (tsnumber>=min_tsn) {
ys.append(j + tsnumber);
xs.append(sack->secs + sack->usecs/1000000.0);
fs.append(sack->frame_number);
}
}
}
tlist = g_list_next(tlist);
}
list = g_list_previous(list);
}
}
void SCTPGraphDialog::drawSACKGraph()
{
GList *listSACK = NULL, *tlist;
guint16 gap_start=0, gap_end=0, nr, dup_nr;
struct sack_chunk_header *sack_header;
struct gaps *gap;
tsn_t *tsn;
guint8 type;
guint32 tsnumber=0;
guint32 minTSN;
guint32 *dup_list;
int i, j;
if (direction == 1) {
minTSN = selected_assoc->min_tsn1;
listSACK = g_list_last(selected_assoc->sack1);
} else {
minTSN = selected_assoc->min_tsn2;
listSACK = g_list_last(selected_assoc->sack2);
}
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) {
gIsSackChunkPresent = 1;
sack_header =(struct sack_chunk_header *)tlist->data;
nr=g_ntohs(sack_header->nr_of_gaps);
tsnumber = g_ntohl(sack_header->cum_tsn_ack);
dup_nr=g_ntohs(sack_header->nr_of_dups);
if (nr>0) { // Gap Reports green
gap = &sack_header->gaps[0];
for(i=0;i<nr; i++) {
gap_start=g_ntohs(gap->start);
gap_end = g_ntohs(gap->end);
for (j=gap_start; j<=gap_end; j++) {
yg.append(j+tsnumber);
xg.append(tsn->secs + tsn->usecs/1000000.0);
fg.append(tsn->frame_number);
}
if (i < nr-1)
gap++;
}
}
if (tsnumber>=minTSN) { // CumTSNAck red
ys.append(tsnumber);
xs.append(tsn->secs + tsn->usecs/1000000.0);
fs.append(tsn->frame_number);
}
if (dup_nr > 0) { // Duplicates cyan
dup_list = &sack_header->a_rwnd + 2 + nr;
for (i = 0; i < dup_nr; i++) {
tsnumber = g_ntohl(dup_list[i]);
if (tsnumber >= minTSN) {
yd.append(tsnumber);
xd.append(tsn->secs + tsn->usecs/1000000.0);
fd.append(tsn->frame_number);
}
}
}
}
tlist = g_list_next(tlist);
}
listSACK = g_list_previous(listSACK);
}
QCPScatterStyle myScatter;
myScatter.setShape(QCPScatterStyle::ssCircle);
myScatter.setSize(3);
int graphcount = ui->sctpPlot->graphCount();
// create graph and assign data to it:
// Add SACK graph
if (xs.size() > 0) {
QCPGraph *gr = ui->sctpPlot->addGraph();
gr->setName(QString("SACK"));
myScatter.setPen(QPen(Qt::red));
myScatter.setBrush(Qt::red);
ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
ui->sctpPlot->graph(graphcount)->setData(xs, ys);
typeStrings.insert(graphcount, QString(tr("CumTSNAck")));
graphcount++;
}
// Add Gap Acks
if (xg.size() > 0) {
QCPGraph *gr = ui->sctpPlot->addGraph();
gr->setName(QString("GAP"));
myScatter.setPen(QPen(Qt::green));
myScatter.setBrush(Qt::green);
ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
ui->sctpPlot->graph(graphcount)->setData(xg, yg);
typeStrings.insert(graphcount, QString(tr("Gap Ack")));
graphcount++;
}
// Add NR Gap Acks
if (xn.size() > 0) {
QCPGraph *gr = ui->sctpPlot->addGraph();
gr->setName(QString("NR_GAP"));
myScatter.setPen(QPen(Qt::blue));
myScatter.setBrush(Qt::blue);
ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
ui->sctpPlot->graph(graphcount)->setData(xn, yn);
typeStrings.insert(graphcount, QString(tr("NR Gap Ack")));
graphcount++;
}
// Add Duplicates
if (xd.size() > 0) {
QCPGraph *gr = ui->sctpPlot->addGraph();
gr->setName(QString("DUP"));
myScatter.setPen(QPen(Qt::cyan));
myScatter.setBrush(Qt::cyan);
ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
ui->sctpPlot->graph(graphcount)->setData(xd, yd);
typeStrings.insert(graphcount, QString(tr("Duplicate Ack")));
}
}
void SCTPGraphDialog::drawTSNGraph()
{
GList *listTSN = NULL,*tlist;
tsn_t *tsn;
guint8 type;
guint32 tsnumber=0;
if (direction == 1) {
listTSN = g_list_last(selected_assoc->tsn1);
} else {
listTSN = g_list_last(selected_assoc->tsn2);
}
while (listTSN) {
tsn = (tsn_t*) (listTSN->data);
tlist = g_list_first(tsn->tsns);
while (tlist)
{
type = ((struct chunk_header *)tlist->data)->type;
if (type == SCTP_DATA_CHUNK_ID || type == SCTP_I_DATA_CHUNK_ID || type == SCTP_FORWARD_TSN_CHUNK_ID) {
tsnumber = g_ntohl(((struct data_chunk_header *)tlist->data)->tsn);
yt.append(tsnumber);
xt.append(tsn->secs + tsn->usecs/1000000.0);
ft.append(tsn->frame_number);
}
tlist = g_list_next(tlist);
}
listTSN = g_list_previous(listTSN);
}
QCPScatterStyle myScatter;
myScatter.setShape(QCPScatterStyle::ssCircle);
myScatter.setSize(3);
int graphcount = ui->sctpPlot->graphCount();
// create graph and assign data to it:
// Add TSN graph
if (xt.size() > 0) {
QCPGraph *gr = ui->sctpPlot->addGraph();
gr->setName(QString("TSN"));
myScatter.setPen(QPen(Qt::black));
myScatter.setBrush(Qt::black);
ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
ui->sctpPlot->graph(graphcount)->setData(xt, yt);
typeStrings.insert(graphcount, QString(tr("TSN")));
}
}
void SCTPGraphDialog::drawGraph(int which)
{
guint32 maxTSN, minTSN;
gint64 minBound;
gIsSackChunkPresent = false;
gIsNRSackChunkPresent = false;
if (direction == 1) {
maxTSN = selected_assoc->max_tsn1;
minTSN = selected_assoc->min_tsn1;
} else {
maxTSN = selected_assoc->max_tsn2;
minTSN = selected_assoc->min_tsn2;
}
ui->sctpPlot->clearGraphs();
switch (which) {
case 1: drawSACKGraph();
drawNRSACKGraph();
break;
case 2: drawTSNGraph();
break;
case 3: drawTSNGraph();
drawSACKGraph();
drawNRSACKGraph();
break;
default: drawTSNGraph();
drawSACKGraph();
drawNRSACKGraph();
}
// give the axes some labels:
ui->sctpPlot->xAxis->setLabel(tr("time [secs]"));
ui->sctpPlot->yAxis->setLabel(tr("TSNs"));
ui->sctpPlot->setInteractions(QCP::iRangeZoom | QCP::iRangeDrag | QCP::iSelectPlottables);
connect(ui->sctpPlot, SIGNAL(plottableClick(QCPAbstractPlottable*,QMouseEvent*)), this, SLOT(graphClicked(QCPAbstractPlottable*, QMouseEvent*)));
// set axes ranges, so we see all data:
QCPRange myXRange(selected_assoc->min_secs, (selected_assoc->max_secs+1));
if (maxTSN - minTSN < 5) {
minBound = 0;
} else {
minBound = minTSN;
}
QCPRange myYRange(minBound, maxTSN);
ui->sctpPlot->xAxis->setRange(myXRange);
ui->sctpPlot->yAxis->setRange(myYRange);
ui->sctpPlot->replot();
}
void SCTPGraphDialog::on_pushButton_clicked()
{
drawGraph(1);
}
void SCTPGraphDialog::on_pushButton_2_clicked()
{
drawGraph(2);
}
void SCTPGraphDialog::on_pushButton_3_clicked()
{
drawGraph(3);
}
void SCTPGraphDialog::on_pushButton_4_clicked()
{
ui->sctpPlot->xAxis->setRange(selected_assoc->min_secs, selected_assoc->max_secs+1);
if (direction == 1) {
ui->sctpPlot->yAxis->setRange(selected_assoc->min_tsn1, selected_assoc->max_tsn1);
} else {
ui->sctpPlot->yAxis->setRange(selected_assoc->min_tsn2, selected_assoc->max_tsn2);
}
ui->sctpPlot->replot();
}
void SCTPGraphDialog::graphClicked(QCPAbstractPlottable* plottable, QMouseEvent* event)
{
frame_num = 0;
int i=0;
double times = ui->sctpPlot->xAxis->pixelToCoord(event->pos().x());
if (plottable->name().contains("TSN", Qt::CaseInsensitive)) {
for (i = 0; i < xt.size(); i++) {
if (times <= xt.value(i)) {
frame_num = ft.at(i);
break;
}
}
} else if (plottable->name().contains("SACK", Qt::CaseInsensitive)) {
for (i = 0; i < xs.size(); i++) {
if (times <= xs.value(i)) {
frame_num = fs.at(i);
break;
}
}
} else if (plottable->name().contains("DUP", Qt::CaseInsensitive)) {
for (i = 0; i < xd.size(); i++) {
if (times <= xd.value(i)) {
frame_num = fd.at(i);
break;
}
}
} else if (plottable->name().contains("NR_GAP", Qt::CaseInsensitive)) {
for (i = 0; i < xn.size(); i++) {
if (times <= xn.value(i)) {
frame_num = fn.at(i);
break;
}
}
} else if (plottable->name().contains("GAP", Qt::CaseInsensitive)) {
for (i = 0; i < xs.size(); i++) {
if (times <= xs.value(i)) {
frame_num = fs.at(i);
break;
}
}
}
if (cap_file_ && frame_num > 0) {
cf_goto_frame(cap_file_, frame_num);
}
ui->hintLabel->setText(QString(tr("<small><i>%1: %2 Time: %3 secs </i></small>"))
.arg(plottable->name())
.arg(floor(ui->sctpPlot->yAxis->pixelToCoord(event->pos().y()) + 0.5))
.arg(ui->sctpPlot->xAxis->pixelToCoord(event->pos().x())));
}
void SCTPGraphDialog::save_graph(QDialog *dlg, QCustomPlot *plot)
{
QString file_name, extension;
QDir path(wsApp->lastOpenDir());
QString pdf_filter = tr("Portable Document Format (*.pdf)");
QString png_filter = tr("Portable Network Graphics (*.png)");
QString bmp_filter = tr("Windows Bitmap (*.bmp)");
// Gaze upon my beautiful graph with lossy artifacts!
QString jpeg_filter = tr("JPEG File Interchange Format (*.jpeg *.jpg)");
QString filter = QString("%1;;%2;;%3;;%4")
.arg(pdf_filter)
.arg(png_filter)
.arg(bmp_filter)
.arg(jpeg_filter);
file_name = QFileDialog::getSaveFileName(dlg, wsApp->windowTitleString(tr("Save Graph As" UTF8_HORIZONTAL_ELLIPSIS)),
path.canonicalPath(), filter, &extension);
if (file_name.length() > 0) {
bool save_ok = false;
if (extension.compare(pdf_filter) == 0) {
save_ok = plot->savePdf(file_name);
} else if (extension.compare(png_filter) == 0) {
save_ok = plot->savePng(file_name);
} else if (extension.compare(bmp_filter) == 0) {
save_ok = plot->saveBmp(file_name);
} else if (extension.compare(jpeg_filter) == 0) {
save_ok = plot->saveJpg(file_name);
}
// else error dialog?
if (save_ok) {
path = QDir(file_name);
wsApp->setLastOpenDir(path.canonicalPath().toUtf8().constData());
}
}
}
void SCTPGraphDialog::on_saveButton_clicked()
{
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:
*/