forked from osmocom/wireshark
525 lines
18 KiB
C++
525 lines
18 KiB
C++
/* sctp_graph_dialog.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <wsutil/utf8_entities.h>
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#include "sctp_graph_dialog.h"
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#include <ui_sctp_graph_dialog.h>
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#include "sctp_assoc_analyse_dialog.h"
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#include <file.h>
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#include <math.h>
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#include <epan/dissectors/packet-sctp.h>
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#include "epan/packet.h"
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#include "ui/tap-sctp-analysis.h"
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#include <QMessageBox>
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#include <ui/qt/utils/qt_ui_utils.h>
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#include <ui/qt/widgets/qcustomplot.h>
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#include "ui/qt/widgets/wireshark_file_dialog.h"
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#include "main_application.h"
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SCTPGraphDialog::SCTPGraphDialog(QWidget *parent, const sctp_assoc_info_t *assoc,
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capture_file *cf, int dir) :
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QDialog(parent),
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ui(new Ui::SCTPGraphDialog),
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cap_file_(cf),
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frame_num(0),
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direction(dir),
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relative(false),
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type(1)
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{
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Q_ASSERT(assoc);
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selected_assoc_id = assoc->assoc_id;
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ui->setupUi(this);
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Qt::WindowFlags flags = Qt::Window | Qt::WindowSystemMenuHint
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| Qt::WindowMinimizeButtonHint
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| Qt::WindowMaximizeButtonHint
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| Qt::WindowCloseButtonHint;
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this->setWindowFlags(flags);
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this->setWindowTitle(QString(tr("SCTP TSNs and SACKs over Time: %1 Port1 %2 Port2 %3"))
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.arg(gchar_free_to_qstring(cf_get_display_name(cap_file_))).arg(assoc->port1).arg(assoc->port2));
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if ((direction == 1 && assoc->n_array_tsn1 == 0) || (direction == 2 && assoc->n_array_tsn2 == 0)) {
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QMessageBox msgBox;
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msgBox.setText(tr("No Data Chunks sent"));
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msgBox.exec();
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return;
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} else {
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drawGraph(assoc);
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}
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}
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SCTPGraphDialog::~SCTPGraphDialog()
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{
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delete ui;
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}
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void SCTPGraphDialog::drawNRSACKGraph(const sctp_assoc_info_t* selected_assoc)
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{
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tsn_t *sack = Q_NULLPTR;
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GList *list = Q_NULLPTR, *tlist = Q_NULLPTR;
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guint16 gap_start=0, gap_end=0, i, numberOf_gaps, numberOf_nr_gaps;
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guint8 type;
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guint32 tsnumber, j = 0, min_tsn, rel = 0;
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struct nr_sack_chunk_header *nr_sack_header = Q_NULLPTR;
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struct gaps *nr_gap = Q_NULLPTR;
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/* This holds the sum of gap acks and nr gap acks */
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guint16 total_gaps = 0;
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if (direction == 1) {
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list = g_list_last(selected_assoc->sack1);
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min_tsn = selected_assoc->min_tsn1;
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} else {
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list = g_list_last(selected_assoc->sack2);
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min_tsn = selected_assoc->min_tsn2;
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}
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if (relative) {
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rel = min_tsn;
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}
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while (list) {
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sack = gxx_list_data(tsn_t*, list);
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tlist = g_list_first(sack->tsns);
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while (tlist) {
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type = gxx_list_data(struct chunk_header *, tlist)->type;
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if (type == SCTP_NR_SACK_CHUNK_ID) {
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nr_sack_header = gxx_list_data(struct nr_sack_chunk_header *, tlist);
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numberOf_nr_gaps=g_ntohs(nr_sack_header->nr_of_nr_gaps);
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numberOf_gaps=g_ntohs(nr_sack_header->nr_of_gaps);
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tsnumber = g_ntohl(nr_sack_header->cum_tsn_ack);
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total_gaps = numberOf_gaps + numberOf_nr_gaps;
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/* If the number of nr_gaps is greater than 0 */
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if (total_gaps > 0) {
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nr_gap = &nr_sack_header->gaps[0];
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for (i = 0; i < total_gaps; i++) {
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gap_start = g_ntohs(nr_gap->start);
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gap_end = g_ntohs(nr_gap->end);
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for (j = gap_start; j <= gap_end; j++) {
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if (i >= numberOf_gaps) {
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yn.append(j + tsnumber - rel);
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xn.append(sack->secs + sack->usecs/1000000.0);
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fn.append(sack->frame_number);
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} else {
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yg.append(j + tsnumber - rel);
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xg.append(sack->secs + sack->usecs/1000000.0);
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fg.append(sack->frame_number);
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}
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}
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if (i < total_gaps-1)
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nr_gap++;
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}
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if (tsnumber>=min_tsn) {
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ys.append(j + tsnumber - rel);
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xs.append(sack->secs + sack->usecs/1000000.0);
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fs.append(sack->frame_number);
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}
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}
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}
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tlist = gxx_list_next(tlist);
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}
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list = gxx_list_previous(list);
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}
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}
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void SCTPGraphDialog::drawSACKGraph(const sctp_assoc_info_t* selected_assoc)
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{
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GList *listSACK = Q_NULLPTR, *tlist = Q_NULLPTR;
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guint16 gap_start=0, gap_end=0, nr, dup_nr;
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struct sack_chunk_header *sack_header = Q_NULLPTR;
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struct gaps *gap = Q_NULLPTR;
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tsn_t *tsn = Q_NULLPTR;
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guint8 type;
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guint32 tsnumber=0, rel = 0;
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guint32 minTSN;
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guint32 *dup_list = Q_NULLPTR;
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int i, j;
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if (direction == 1) {
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minTSN = selected_assoc->min_tsn1;
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listSACK = g_list_last(selected_assoc->sack1);
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} else {
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minTSN = selected_assoc->min_tsn2;
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listSACK = g_list_last(selected_assoc->sack2);
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}
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if (relative) {
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rel = minTSN;
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}
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while (listSACK) {
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tsn = gxx_list_data(tsn_t*, listSACK);
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tlist = g_list_first(tsn->tsns);
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while (tlist) {
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type = gxx_list_data(struct chunk_header *, tlist)->type;
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if (type == SCTP_SACK_CHUNK_ID) {
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sack_header = gxx_list_data(struct sack_chunk_header *, tlist);
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nr=g_ntohs(sack_header->nr_of_gaps);
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tsnumber = g_ntohl(sack_header->cum_tsn_ack);
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dup_nr=g_ntohs(sack_header->nr_of_dups);
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if (nr>0) { // Gap Reports green
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gap = &sack_header->gaps[0];
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for (i=0;i<nr; i++) {
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gap_start=g_ntohs(gap->start);
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gap_end = g_ntohs(gap->end);
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for (j=gap_start; j<=gap_end; j++) {
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yg.append(j + tsnumber - rel);
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xg.append(tsn->secs + tsn->usecs/1000000.0);
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fg.append(tsn->frame_number);
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}
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if (i < nr-1)
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gap++;
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}
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}
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if (tsnumber>=minTSN) { // CumTSNAck red
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ys.append(tsnumber - rel);
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xs.append(tsn->secs + tsn->usecs/1000000.0);
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fs.append(tsn->frame_number);
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}
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if (dup_nr > 0) { // Duplicates cyan
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dup_list = &sack_header->a_rwnd + 2 + nr;
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for (i = 0; i < dup_nr; i++) {
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tsnumber = g_ntohl(dup_list[i]);
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if (tsnumber >= minTSN) {
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yd.append(tsnumber - rel);
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xd.append(tsn->secs + tsn->usecs/1000000.0);
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fd.append(tsn->frame_number);
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}
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}
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}
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}
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tlist = gxx_list_next(tlist);
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}
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listSACK = gxx_list_previous(listSACK);
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}
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QCPScatterStyle myScatter;
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myScatter.setShape(QCPScatterStyle::ssCircle);
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myScatter.setSize(3);
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int graphcount = ui->sctpPlot->graphCount();
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// create graph and assign data to it:
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// Add SACK graph
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if (xs.size() > 0) {
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QCPGraph *gr = ui->sctpPlot->addGraph();
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gr->setName(QString("SACK"));
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myScatter.setPen(QPen(Qt::red));
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myScatter.setBrush(Qt::red);
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ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
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ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
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ui->sctpPlot->graph(graphcount)->setData(xs, ys);
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typeStrings.insert(graphcount, QString(tr("CumTSNAck")));
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graphcount++;
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}
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// Add Gap Acks
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if (xg.size() > 0) {
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QCPGraph *gr = ui->sctpPlot->addGraph();
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gr->setName(QString("GAP"));
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myScatter.setPen(QPen(Qt::green));
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myScatter.setBrush(Qt::green);
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ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
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ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
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ui->sctpPlot->graph(graphcount)->setData(xg, yg);
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typeStrings.insert(graphcount, QString(tr("Gap Ack")));
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graphcount++;
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}
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// Add NR Gap Acks
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if (xn.size() > 0) {
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QCPGraph *gr = ui->sctpPlot->addGraph();
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gr->setName(QString("NR_GAP"));
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myScatter.setPen(QPen(Qt::blue));
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myScatter.setBrush(Qt::blue);
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ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
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ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
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ui->sctpPlot->graph(graphcount)->setData(xn, yn);
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typeStrings.insert(graphcount, QString(tr("NR Gap Ack")));
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graphcount++;
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}
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// Add Duplicates
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if (xd.size() > 0) {
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QCPGraph *gr = ui->sctpPlot->addGraph();
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gr->setName(QString("DUP"));
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myScatter.setPen(QPen(Qt::cyan));
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myScatter.setBrush(Qt::cyan);
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ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
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ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
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ui->sctpPlot->graph(graphcount)->setData(xd, yd);
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typeStrings.insert(graphcount, QString(tr("Duplicate Ack")));
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}
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}
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void SCTPGraphDialog::drawTSNGraph(const sctp_assoc_info_t* selected_assoc)
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{
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GList *listTSN = Q_NULLPTR,*tlist = Q_NULLPTR;
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tsn_t *tsn = Q_NULLPTR;
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guint8 type;
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guint32 tsnumber=0, rel = 0, minTSN;
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if (direction == 1) {
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listTSN = g_list_last(selected_assoc->tsn1);
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minTSN = selected_assoc->min_tsn1;
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} else {
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listTSN = g_list_last(selected_assoc->tsn2);
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minTSN = selected_assoc->min_tsn2;
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}
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if (relative) {
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rel = minTSN;
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}
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while (listTSN) {
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tsn = gxx_list_data(tsn_t*, listTSN);
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tlist = g_list_first(tsn->tsns);
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while (tlist)
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{
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type = gxx_list_data(struct chunk_header *, tlist)->type;
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if (type == SCTP_DATA_CHUNK_ID || type == SCTP_I_DATA_CHUNK_ID || type == SCTP_FORWARD_TSN_CHUNK_ID) {
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tsnumber = g_ntohl(gxx_list_data(struct data_chunk_header *, tlist)->tsn);
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yt.append(tsnumber - rel);
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xt.append(tsn->secs + tsn->usecs/1000000.0);
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ft.append(tsn->frame_number);
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}
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tlist = gxx_list_next(tlist);
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}
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listTSN = gxx_list_previous(listTSN);
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}
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QCPScatterStyle myScatter;
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myScatter.setShape(QCPScatterStyle::ssCircle);
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myScatter.setSize(3);
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int graphcount = ui->sctpPlot->graphCount();
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// create graph and assign data to it:
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// Add TSN graph
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if (xt.size() > 0) {
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QCPGraph *gr = ui->sctpPlot->addGraph();
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gr->setName(QString("TSN"));
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myScatter.setPen(QPen(Qt::black));
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myScatter.setBrush(Qt::black);
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ui->sctpPlot->graph(graphcount)->setScatterStyle(myScatter);
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ui->sctpPlot->graph(graphcount)->setLineStyle(QCPGraph::lsNone);
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ui->sctpPlot->graph(graphcount)->setData(xt, yt);
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typeStrings.insert(graphcount, QString(tr("TSN")));
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}
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}
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void SCTPGraphDialog::drawGraph(const sctp_assoc_info_t* selected_assoc)
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{
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if (!selected_assoc) {
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selected_assoc = SCTPAssocAnalyseDialog::findAssoc(this, selected_assoc_id);
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if (!selected_assoc) return;
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}
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guint32 maxTSN, minTSN;
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if (direction == 1) {
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maxTSN = selected_assoc->max_tsn1;
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minTSN = selected_assoc->min_tsn1;
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} else {
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maxTSN = selected_assoc->max_tsn2;
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minTSN = selected_assoc->min_tsn2;
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}
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ui->sctpPlot->clearGraphs();
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xt.clear();
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yt.clear();
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xs.clear();
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ys.clear();
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xg.clear();
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yg.clear();
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xd.clear();
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yd.clear();
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xn.clear();
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yn.clear();
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ft.clear();
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fs.clear();
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fg.clear();
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fd.clear();
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fn.clear();
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typeStrings.clear();
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switch (type) {
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case 1:
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drawSACKGraph(selected_assoc);
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drawNRSACKGraph(selected_assoc);
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break;
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case 2:
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drawTSNGraph(selected_assoc);
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break;
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case 3:
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drawTSNGraph(selected_assoc);
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drawSACKGraph(selected_assoc);
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drawNRSACKGraph(selected_assoc);
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break;
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default:
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drawTSNGraph(selected_assoc);
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drawSACKGraph(selected_assoc);
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drawNRSACKGraph(selected_assoc);
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break;
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}
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// give the axes some labels:
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ui->sctpPlot->xAxis->setLabel(tr("time [secs]"));
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ui->sctpPlot->yAxis->setLabel(tr("TSNs"));
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ui->sctpPlot->setInteractions(QCP::iRangeZoom | QCP::iRangeDrag | QCP::iSelectPlottables);
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connect(ui->sctpPlot, &QCustomPlot::plottableClick, this, &SCTPGraphDialog::graphClicked);
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// set axes ranges, so we see all data:
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QCPRange myXRange(selected_assoc->min_secs, (selected_assoc->max_secs+1));
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if (relative) {
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QCPRange myYRange(0, maxTSN - minTSN + 1);
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ui->sctpPlot->yAxis->setRange(myYRange);
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} else {
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QCPRange myYRange(minTSN, maxTSN + 1);
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ui->sctpPlot->yAxis->setRange(myYRange);
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}
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ui->sctpPlot->xAxis->setRange(myXRange);
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ui->sctpPlot->replot();
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}
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void SCTPGraphDialog::on_pushButton_clicked()
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{
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type = 1;
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drawGraph();
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}
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void SCTPGraphDialog::on_pushButton_2_clicked()
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{
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type = 2;
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drawGraph();
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}
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void SCTPGraphDialog::on_pushButton_3_clicked()
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{
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type = 3;
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drawGraph();
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}
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void SCTPGraphDialog::on_pushButton_4_clicked()
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{
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const sctp_assoc_info_t* selected_assoc = SCTPAssocAnalyseDialog::findAssoc(this, selected_assoc_id);
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if (!selected_assoc) return;
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ui->sctpPlot->xAxis->setRange(selected_assoc->min_secs, selected_assoc->max_secs+1);
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if (relative) {
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if (direction == 1) {
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ui->sctpPlot->yAxis->setRange(0, selected_assoc->max_tsn1 - selected_assoc->min_tsn1);
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} else {
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ui->sctpPlot->yAxis->setRange(0, selected_assoc->max_tsn2 - selected_assoc->min_tsn2);
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}
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} else {
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if (direction == 1) {
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ui->sctpPlot->yAxis->setRange(selected_assoc->min_tsn1, selected_assoc->max_tsn1);
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} else {
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ui->sctpPlot->yAxis->setRange(selected_assoc->min_tsn2, selected_assoc->max_tsn2);
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}
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}
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ui->sctpPlot->replot();
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}
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void SCTPGraphDialog::graphClicked(QCPAbstractPlottable* plottable, int, QMouseEvent* event)
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{
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frame_num = 0;
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int i=0;
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double times = ui->sctpPlot->xAxis->pixelToCoord(event->pos().x());
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if (plottable->name().contains("TSN", Qt::CaseInsensitive)) {
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for (i = 0; i < xt.size(); i++) {
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if (times <= xt.value(i)) {
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frame_num = ft.at(i);
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break;
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}
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}
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} else if (plottable->name().contains("SACK", Qt::CaseInsensitive)) {
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for (i = 0; i < xs.size(); i++) {
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if (times <= xs.value(i)) {
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frame_num = fs.at(i);
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break;
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}
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}
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} else if (plottable->name().contains("DUP", Qt::CaseInsensitive)) {
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for (i = 0; i < xd.size(); i++) {
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if (times <= xd.value(i)) {
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frame_num = fd.at(i);
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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(mainApp->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 = WiresharkFileDialog::getSaveFileName(dlg, mainApp->windowTitleString(tr("Save Graph As…")),
|
|
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) {
|
|
mainApp->setLastOpenDirFromFilename(file_name);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void SCTPGraphDialog::on_saveButton_clicked()
|
|
{
|
|
save_graph(this, ui->sctpPlot);
|
|
}
|
|
|
|
void SCTPGraphDialog::on_relativeTsn_stateChanged(int arg1)
|
|
{
|
|
relative = arg1;
|
|
drawGraph();
|
|
}
|