nexmon – Rev 1
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/* tcp_stream_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 "tcp_stream_dialog.h"
#include <ui_tcp_stream_dialog.h>
#include "epan/to_str.h"
#include "wsutil/str_util.h"
#include <wsutil/utf8_entities.h>
#include "tango_colors.h"
#include "qt_ui_utils.h"
#include "progress_frame.h"
#include "wireshark_application.h"
#include <QCursor>
#include <QDir>
#include <QFileDialog>
#include <QIcon>
#include <QPushButton>
#include <QDebug>
// To do:
// - Show a message or disable the graph if we don't have any data.
// - Add a bytes in flight graph
// - Make the crosshairs tracer a vertical band?
// - Implement File->Copy
// - Add UDP graphs
// - Make the first throughput MA period a dotted/dashed line?
// - Add range scroll bars?
// - ACK & RWIN segment ticks in tcptrace graph
// - Add missing elements (retrans, URG, SACK, etc) to tcptrace. It probably makes
// sense to subclass QCPGraph for this.
// The GTK+ version computes a 20 (or 21!) segment moving average. Comment
// out the line below to use that. By default we use a 1 second MA.
#define MA_1_SECOND
#ifndef MA_1_SECOND
const int moving_avg_period_ = 20;
#endif
const QRgb graph_color_1 = tango_sky_blue_5;
const QRgb graph_color_2 = tango_butter_6;
const QRgb graph_color_3 = tango_chameleon_5;
//const QRgb graph_color_4 = tango_aluminium_6;
// Size of selectable packet points in the base graph
const double pkt_point_size_ = 3.0;
// Don't accidentally zoom into a 1x1 rect if you happen to click on the graph
// in zoom mode.
const int min_zoom_pixels_ = 20;
const QString average_throughput_label_ = QObject::tr("Average Througput (bits/s)");
const QString round_trip_time_ms_label_ = QObject::tr("Round Trip Time (ms)");
const QString segment_length_label_ = QObject::tr("Segment Length (B)");
const QString sequence_number_label_ = QObject::tr("Sequence Number (B)");
const QString time_s_label_ = QObject::tr("Time (s)");
const QString window_size_label_ = QObject::tr("Window Size (B)");
TCPStreamDialog::TCPStreamDialog(QWidget *parent, capture_file *cf, tcp_graph_type graph_type) :
QDialog(NULL, Qt::Window),
ui(new Ui::TCPStreamDialog),
cap_file_(cf),
ts_offset_(0),
ts_origin_conn_(true),
seq_offset_(0),
seq_origin_zero_(true),
title_(NULL),
base_graph_(NULL),
tput_graph_(NULL),
seg_graph_(NULL),
ack_graph_(NULL),
rwin_graph_(NULL),
tracer_(NULL),
packet_num_(0),
mouse_drags_(true),
rubber_band_(NULL),
num_dsegs_(-1),
num_acks_(-1),
num_sack_ranges_(-1)
{
struct segment current;
int graph_idx = -1;
ui->setupUi(this);
setAttribute(Qt::WA_DeleteOnClose, true);
graph_.type = GRAPH_UNDEFINED;
set_address(&graph_.src_address, AT_NONE, 0, NULL);
graph_.src_port = 0;
set_address(&graph_.dst_address, AT_NONE, 0, NULL);
graph_.dst_port = 0;
graph_.stream = 0;
graph_.segments = NULL;
struct tcpheader *header = select_tcpip_session(cap_file_, ¤t);
if (!header) {
done(QDialog::Rejected);
return;
}
//#ifdef Q_OS_MAC
// ui->hintLabel->setAttribute(Qt::WA_MacSmallSize, true);
//#endif
QComboBox *gtcb = ui->graphTypeComboBox;
gtcb->setUpdatesEnabled(false);
gtcb->addItem(ui->actionRoundTripTime->text(), GRAPH_RTT);
if (graph_type == GRAPH_RTT) graph_idx = gtcb->count() - 1;
gtcb->addItem(ui->actionThroughput->text(), GRAPH_THROUGHPUT);
if (graph_type == GRAPH_THROUGHPUT) graph_idx = gtcb->count() - 1;
gtcb->addItem(ui->actionStevens->text(), GRAPH_TSEQ_STEVENS);
if (graph_type == GRAPH_TSEQ_STEVENS) graph_idx = gtcb->count() - 1;
gtcb->addItem(ui->actionTcptrace->text(), GRAPH_TSEQ_TCPTRACE);
if (graph_type == GRAPH_TSEQ_TCPTRACE) graph_idx = gtcb->count() - 1;
gtcb->addItem(ui->actionWindowScaling->text(), GRAPH_WSCALE);
if (graph_type == GRAPH_WSCALE) graph_idx = gtcb->count() - 1;
gtcb->setUpdatesEnabled(true);
ui->dragRadioButton->setChecked(mouse_drags_);
ctx_menu_.addAction(ui->actionZoomIn);
ctx_menu_.addAction(ui->actionZoomInX);
ctx_menu_.addAction(ui->actionZoomInY);
ctx_menu_.addAction(ui->actionZoomOut);
ctx_menu_.addAction(ui->actionZoomOutX);
ctx_menu_.addAction(ui->actionZoomOutY);
ctx_menu_.addAction(ui->actionReset);
ctx_menu_.addSeparator();
ctx_menu_.addAction(ui->actionMoveRight10);
ctx_menu_.addAction(ui->actionMoveLeft10);
ctx_menu_.addAction(ui->actionMoveUp10);
ctx_menu_.addAction(ui->actionMoveDown10);
ctx_menu_.addAction(ui->actionMoveRight1);
ctx_menu_.addAction(ui->actionMoveLeft1);
ctx_menu_.addAction(ui->actionMoveUp1);
ctx_menu_.addAction(ui->actionMoveDown1);
ctx_menu_.addSeparator();
ctx_menu_.addAction(ui->actionNextStream);
ctx_menu_.addAction(ui->actionPreviousStream);
ctx_menu_.addAction(ui->actionSwitchDirection);
ctx_menu_.addAction(ui->actionGoToPacket);
ctx_menu_.addSeparator();
ctx_menu_.addAction(ui->actionDragZoom);
ctx_menu_.addAction(ui->actionToggleSequenceNumbers);
ctx_menu_.addAction(ui->actionToggleTimeOrigin);
ctx_menu_.addAction(ui->actionCrosshairs);
ctx_menu_.addSeparator();
ctx_menu_.addAction(ui->actionRoundTripTime);
ctx_menu_.addAction(ui->actionThroughput);
ctx_menu_.addAction(ui->actionStevens);
ctx_menu_.addAction(ui->actionTcptrace);
ctx_menu_.addAction(ui->actionWindowScaling);
memset (&graph_, 0, sizeof(graph_));
graph_.type = graph_type;
copy_address(&graph_.src_address, ¤t.ip_src);
graph_.src_port = current.th_sport;
copy_address(&graph_.dst_address, ¤t.ip_dst);
graph_.dst_port = current.th_dport;
graph_.stream = header->th_stream;
findStream();
ui->streamNumberSpinBox->blockSignals(true);
ui->streamNumberSpinBox->setMaximum(get_tcp_stream_count() - 1);
ui->streamNumberSpinBox->setValue(graph_.stream);
ui->streamNumberSpinBox->blockSignals(false);
QCustomPlot *sp = ui->streamPlot;
QCPPlotTitle *file_title = new QCPPlotTitle(sp, cf_get_display_name(cap_file_));
file_title->setFont(sp->xAxis->labelFont());
title_ = new QCPPlotTitle(sp);
sp->plotLayout()->insertRow(0);
sp->plotLayout()->addElement(0, 0, file_title);
sp->plotLayout()->insertRow(0);
sp->plotLayout()->addElement(0, 0, title_);
base_graph_ = sp->addGraph(); // All: Selectable segments
base_graph_->setPen(QPen(QBrush(graph_color_1), 0.25));
tput_graph_ = sp->addGraph(sp->xAxis, sp->yAxis2); // Throughput: Moving average
tput_graph_->setPen(QPen(QBrush(graph_color_2), 0.5));
tput_graph_->setLineStyle(QCPGraph::lsLine);
seg_graph_ = sp->addGraph(); // tcptrace: fwd segments
seg_graph_->setErrorType(QCPGraph::etValue);
seg_graph_->setLineStyle(QCPGraph::lsNone);
seg_graph_->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssDot, Qt::transparent, 0));
seg_graph_->setErrorPen(QPen(QBrush(graph_color_1), 0.5));
seg_graph_->setErrorBarSize(pkt_point_size_);
ack_graph_ = sp->addGraph(); // tcptrace: rev ACKs
ack_graph_->setPen(QPen(QBrush(graph_color_2), 0.5));
ack_graph_->setLineStyle(QCPGraph::lsStepLeft);
rwin_graph_ = sp->addGraph(); // tcptrace: rev RWIN
rwin_graph_->setPen(QPen(QBrush(graph_color_3), 0.5));
rwin_graph_->setLineStyle(QCPGraph::lsStepLeft);
tracer_ = new QCPItemTracer(sp);
sp->addItem(tracer_);
// Triggers fillGraph().
ui->graphTypeComboBox->setCurrentIndex(graph_idx);
sp->setMouseTracking(true);
sp->yAxis->setLabelColor(QColor(graph_color_1));
sp->yAxis->setTickLabelColor(QColor(graph_color_1));
tracer_->setVisible(false);
toggleTracerStyle(true);
QPushButton *save_bt = ui->buttonBox->button(QDialogButtonBox::Save);
save_bt->setText(tr("Save As" UTF8_HORIZONTAL_ELLIPSIS));
QPushButton *close_bt = ui->buttonBox->button(QDialogButtonBox::Close);
if (close_bt) {
close_bt->setDefault(true);
}
ProgressFrame::addToButtonBox(ui->buttonBox, parent);
connect(sp, SIGNAL(mousePress(QMouseEvent*)), this, SLOT(graphClicked(QMouseEvent*)));
connect(sp, SIGNAL(mouseMove(QMouseEvent*)), this, SLOT(mouseMoved(QMouseEvent*)));
connect(sp, SIGNAL(mouseRelease(QMouseEvent*)), this, SLOT(mouseReleased(QMouseEvent*)));
connect(sp, SIGNAL(axisClick(QCPAxis*,QCPAxis::SelectablePart,QMouseEvent*)),
this, SLOT(axisClicked(QCPAxis*,QCPAxis::SelectablePart,QMouseEvent*)));
connect(sp->yAxis, SIGNAL(rangeChanged(QCPRange)), this, SLOT(transformYRange(QCPRange)));
disconnect(ui->buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
this->setResult(QDialog::Accepted);
}
TCPStreamDialog::~TCPStreamDialog()
{
delete ui;
}
void TCPStreamDialog::showEvent(QShowEvent *)
{
resetAxes();
}
void TCPStreamDialog::keyPressEvent(QKeyEvent *event)
{
int pan_pixels = event->modifiers() & Qt::ShiftModifier ? 1 : 10;
// XXX - This differs from the main window but matches other applications (e.g. Mozilla and Safari)
switch(event->key()) {
case Qt::Key_Minus:
case Qt::Key_Underscore: // Shifted minus on U.S. keyboards
case Qt::Key_O: // GTK+
zoomAxes(false);
break;
case Qt::Key_Plus:
case Qt::Key_Equal: // Unshifted plus on U.S. keyboards
case Qt::Key_I: // GTK+
zoomAxes(true);
break;
case Qt::Key_X: // Zoom X axis only
if(event->modifiers() & Qt::ShiftModifier){
zoomXAxis(false); // upper case X -> Zoom out
} else {
zoomXAxis(true); // lower case x -> Zoom in
}
break;
case Qt::Key_Y: // Zoom Y axis only
if(event->modifiers() & Qt::ShiftModifier){
zoomYAxis(false); // upper case Y -> Zoom out
} else {
zoomYAxis(true); // lower case y -> Zoom in
}
break;
case Qt::Key_Right:
case Qt::Key_L:
panAxes(pan_pixels, 0);
break;
case Qt::Key_Left:
case Qt::Key_H:
panAxes(-1 * pan_pixels, 0);
break;
case Qt::Key_Up:
case Qt::Key_K:
panAxes(0, pan_pixels);
break;
case Qt::Key_Down:
case Qt::Key_J:
panAxes(0, -1 * pan_pixels);
break;
case Qt::Key_Space:
toggleTracerStyle();
break;
case Qt::Key_0:
case Qt::Key_ParenRight: // Shifted 0 on U.S. keyboards
case Qt::Key_R:
case Qt::Key_Home:
resetAxes();
break;
case Qt::Key_PageUp:
on_actionNextStream_triggered();
break;
case Qt::Key_PageDown:
on_actionPreviousStream_triggered();
break;
case Qt::Key_D:
on_actionSwitchDirection_triggered();
break;
case Qt::Key_G:
on_actionGoToPacket_triggered();
break;
case Qt::Key_S:
on_actionToggleSequenceNumbers_triggered();
break;
case Qt::Key_T:
on_actionToggleTimeOrigin_triggered();
break;
case Qt::Key_Z:
on_actionDragZoom_triggered();
break;
case Qt::Key_1:
on_actionRoundTripTime_triggered();
break;
case Qt::Key_2:
on_actionThroughput_triggered();
break;
case Qt::Key_3:
on_actionStevens_triggered();
break;
case Qt::Key_4:
on_actionTcptrace_triggered();
break;
case Qt::Key_5:
on_actionWindowScaling_triggered();
break;
// Alas, there is no Blade Runner-style Qt::Key_Enhance
}
QDialog::keyPressEvent(event);
}
void TCPStreamDialog::mouseReleaseEvent(QMouseEvent *event)
{
mouseReleased(event);
}
void TCPStreamDialog::findStream()
{
QCustomPlot *sp = ui->streamPlot;
disconnect(sp, SIGNAL(mouseMove(QMouseEvent*)), this, SLOT(mouseMoved(QMouseEvent*)));
ui->streamNumberSpinBox->setEnabled(false);
graph_segment_list_free(&graph_);
graph_segment_list_get(cap_file_, &graph_, TRUE);
ui->streamNumberSpinBox->setEnabled(true);
connect(sp, SIGNAL(mouseMove(QMouseEvent*)), this, SLOT(mouseMoved(QMouseEvent*)));
}
void TCPStreamDialog::fillGraph()
{
QCustomPlot *sp = ui->streamPlot;
if (sp->graphCount() < 1) return;
base_graph_->setLineStyle(QCPGraph::lsNone);
tracer_->setGraph(NULL);
// base_graph_ is always visible.
for (int i = 0; i < sp->graphCount(); i++) {
sp->graph(i)->clearData();
sp->graph(i)->setVisible(i == 0 ? true : false);
}
base_graph_->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssDisc, pkt_point_size_));
sp->xAxis->setLabel(time_s_label_);
sp->xAxis->setNumberFormat("gb");
sp->xAxis->setNumberPrecision(6);
sp->yAxis->setNumberFormat("f");
sp->yAxis->setNumberPrecision(0);
sp->yAxis2->setVisible(false);
sp->yAxis2->setLabel(QString());
if (!cap_file_) {
QString dlg_title = QString(tr("No Capture Data"));
setWindowTitle(dlg_title);
title_->setText(dlg_title);
sp->setEnabled(false);
sp->yAxis->setLabel(QString());
sp->replot();
return;
}
ts_offset_ = 0;
seq_offset_ = 0;
bool first = true;
guint64 bytes_fwd = 0;
guint64 bytes_rev = 0;
int pkts_fwd = 0;
int pkts_rev = 0;
time_stamp_map_.clear();
for (struct segment *seg = graph_.segments; seg != NULL; seg = seg->next) {
if (!compareHeaders(seg)) {
bytes_rev += seg->th_seglen;
pkts_rev++;
continue;
}
bytes_fwd += seg->th_seglen;
pkts_fwd++;
double ts = seg->rel_secs + seg->rel_usecs / 1000000.0;
if (first) {
if (ts_origin_conn_) ts_offset_ = ts;
if (seq_origin_zero_) seq_offset_ = seg->th_seq;
first = false;
}
time_stamp_map_.insertMulti(ts - ts_offset_, seg);
}
switch (graph_.type) {
case GRAPH_TSEQ_STEVENS:
fillStevens();
break;
case GRAPH_TSEQ_TCPTRACE:
fillTcptrace();
break;
case GRAPH_THROUGHPUT:
fillThroughput();
break;
case GRAPH_RTT:
fillRoundTripTime();
break;
case GRAPH_WSCALE:
fillWindowScale();
break;
default:
break;
}
sp->setEnabled(true);
stream_desc_ = tr("%1 %2 pkts, %3 %4 %5 pkts, %6 ")
.arg(UTF8_RIGHTWARDS_ARROW)
.arg(gchar_free_to_qstring(format_size(pkts_fwd, format_size_unit_none|format_size_prefix_si)))
.arg(gchar_free_to_qstring(format_size(bytes_fwd, format_size_unit_bytes|format_size_prefix_si)))
.arg(UTF8_LEFTWARDS_ARROW)
.arg(gchar_free_to_qstring(format_size(pkts_rev, format_size_unit_none|format_size_prefix_si)))
.arg(gchar_free_to_qstring(format_size(bytes_rev, format_size_unit_bytes|format_size_prefix_si)));
mouseMoved(NULL);
resetAxes();
tracer_->setGraph(base_graph_);
// XXX QCustomPlot doesn't seem to draw any sort of focus indicator.
sp->setFocus();
}
void TCPStreamDialog::zoomAxes(bool in)
{
QCustomPlot *sp = ui->streamPlot;
double h_factor = sp->axisRect()->rangeZoomFactor(Qt::Horizontal);
double v_factor = sp->axisRect()->rangeZoomFactor(Qt::Vertical);
if (!in) {
h_factor = pow(h_factor, -1);
v_factor = pow(v_factor, -1);
}
sp->xAxis->scaleRange(h_factor, sp->xAxis->range().center());
sp->yAxis->scaleRange(v_factor, sp->yAxis->range().center());
sp->replot();
}
void TCPStreamDialog::zoomXAxis(bool in)
{
QCustomPlot *sp = ui->streamPlot;
double h_factor = sp->axisRect()->rangeZoomFactor(Qt::Horizontal);
if (!in) {
h_factor = pow(h_factor, -1);
}
sp->xAxis->scaleRange(h_factor, sp->xAxis->range().center());
sp->replot();
}
void TCPStreamDialog::zoomYAxis(bool in)
{
QCustomPlot *sp = ui->streamPlot;
double v_factor = sp->axisRect()->rangeZoomFactor(Qt::Vertical);
if (!in) {
v_factor = pow(v_factor, -1);
}
sp->yAxis->scaleRange(v_factor, sp->yAxis->range().center());
sp->replot();
}
void TCPStreamDialog::panAxes(int x_pixels, int y_pixels)
{
QCustomPlot *sp = ui->streamPlot;
double h_pan = 0.0;
double v_pan = 0.0;
h_pan = sp->xAxis->range().size() * x_pixels / sp->xAxis->axisRect()->width();
v_pan = sp->yAxis->range().size() * y_pixels / sp->yAxis->axisRect()->height();
// The GTK+ version won't pan unless we're zoomed. Should we do the same here?
if (h_pan) {
sp->xAxis->moveRange(h_pan);
sp->replot();
}
if (v_pan) {
sp->yAxis->moveRange(v_pan);
sp->replot();
}
}
void TCPStreamDialog::resetAxes()
{
QCustomPlot *sp = ui->streamPlot;
y_axis_xfrm_.reset();
double pixel_pad = 10.0; // per side
sp->rescaleAxes(true);
tput_graph_->rescaleValueAxis(false, true);
// base_graph_->rescaleAxes(false, true);
// for (int i = 0; i < sp->graphCount(); i++) {
// sp->graph(i)->rescaleValueAxis(false, true);
// }
double axis_pixels = sp->xAxis->axisRect()->width();
sp->xAxis->scaleRange((axis_pixels + (pixel_pad * 2)) / axis_pixels, sp->xAxis->range().center());
if (sp->yAxis2->visible()) {
double ratio = sp->yAxis2->range().size() / sp->yAxis->range().size();
y_axis_xfrm_.translate(0.0, sp->yAxis2->range().lower - (sp->yAxis->range().lower * ratio));
y_axis_xfrm_.scale(1.0, ratio);
}
axis_pixels = sp->yAxis->axisRect()->height();
sp->yAxis->scaleRange((axis_pixels + (pixel_pad * 2)) / axis_pixels, sp->yAxis->range().center());
sp->replot();
}
void TCPStreamDialog::fillStevens()
{
QString dlg_title = QString(tr("Sequence Numbers (Stevens)")) + streamDescription();
setWindowTitle(dlg_title);
title_->setText(dlg_title);
QCustomPlot *sp = ui->streamPlot;
sp->yAxis->setLabel(sequence_number_label_);
// True Stevens-style graphs don't have lines but I like them - gcc
base_graph_->setLineStyle(QCPGraph::lsStepLeft);
QVector<double> rel_time, seq;
for (struct segment *seg = graph_.segments; seg != NULL; seg = seg->next) {
if (!compareHeaders(seg)) {
continue;
}
double ts = seg->rel_secs + seg->rel_usecs / 1000000.0;
rel_time.append(ts - ts_offset_);
seq.append(seg->th_seq - seq_offset_);
}
base_graph_->setData(rel_time, seq);
}
void TCPStreamDialog::fillTcptrace()
{
QString dlg_title = QString(tr("Sequence Numbers (tcptrace)")) + streamDescription();
setWindowTitle(dlg_title);
title_->setText(dlg_title);
QCustomPlot *sp = ui->streamPlot;
sp->yAxis->setLabel(sequence_number_label_);
base_graph_->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssDot));
seg_graph_->setVisible(true);
ack_graph_->setVisible(true);
rwin_graph_->setVisible(true);
QVector<double> seq_time, seq, sb_time, sb_center, sb_span, ackrwin_time, ack, rwin;
for (struct segment *seg = graph_.segments; seg != NULL; seg = seg->next) {
double ts = (seg->rel_secs + seg->rel_usecs / 1000000.0) - ts_offset_;
if (compareHeaders(seg)) {
// Forward direction: seq + data
seq_time.append(ts);
seq.append(seg->th_seq - seq_offset_);
// QCP doesn't have a segment graph type. For now, fake
// it with error bars.
if (seg->th_seglen > 0) {
double half = seg->th_seglen / 2.0;
sb_time.append(ts);
sb_center.append(seg->th_seq - seq_offset_ + half);
sb_span.append(half);
}
} else {
// Reverse direction: ACK + RWIN
if (! (seg->th_flags & TH_ACK)) {
// SYNs and RSTs do not necessarily have ACKs
continue;
}
double ackno = seg->th_ack - seq_offset_;
ackrwin_time.append(ts);
ack.append(ackno);
rwin.append(ackno + seg->th_win);
}
}
base_graph_->setData(seq_time, seq);
seg_graph_->setDataValueError(sb_time, sb_center, sb_span);
ack_graph_->setData(ackrwin_time, ack);
rwin_graph_->setData(ackrwin_time, rwin);
}
void TCPStreamDialog::fillThroughput()
{
QString dlg_title = QString(tr("Throughput")) + streamDescription();
#ifdef MA_1_SECOND
dlg_title.append(tr(" (1s MA)"));
#else
dlg_title.append(QString(tr(" (%1 Segment MA)")).arg(moving_avg_period_));
#endif
setWindowTitle(dlg_title);
title_->setText(dlg_title);
QCustomPlot *sp = ui->streamPlot;
sp->yAxis->setLabel(segment_length_label_);
sp->yAxis2->setLabel(average_throughput_label_);
sp->yAxis2->setLabelColor(QColor(graph_color_2));
sp->yAxis2->setTickLabelColor(QColor(graph_color_2));
sp->yAxis2->setVisible(true);
tput_graph_->setVisible(true);
if (!graph_.segments || !graph_.segments->next) {
dlg_title.append(tr(" [not enough data]"));
return;
}
QVector<double> rel_time, seg_len, tput_time, tput;
int oldest = 0;
guint64 sum = 0;
// Financial charts don't show MA data until a full period has elapsed.
// The Rosetta Code MA examples start spitting out values immediately.
// For now use not-really-correct initial values just to keep our vector
// lengths the same.
for (struct segment *seg = graph_.segments->next; seg != NULL; seg = seg->next) {
if (!compareHeaders(seg)) {
continue;
}
double ts = (seg->rel_secs + seg->rel_usecs / 1000000.0) - ts_offset_;
rel_time.append(ts);
seg_len.append(seg->th_seglen);
#ifdef MA_1_SECOND
while (ts - rel_time[oldest] > 1.0 && oldest < rel_time.size()) {
sum -= seg_len[oldest];
oldest++;
}
#else
if (seg_len.size() > moving_avg_period_) {
sum -= seg_len[oldest];
oldest++;
}
#endif
double dtime = ts - rel_time[oldest];
double av_tput;
sum += seg->th_seglen;
if (dtime > 0.0) {
av_tput = sum * 8.0 / dtime;
} else {
av_tput = 0.0;
}
// Add a data point only if our time window has advanced. Otherwise
// update the most recent point. (We might want to show a warning
// for out-of-order packets.)
if (tput_time.size() > 0 && ts <= tput_time.last()) {
tput[tput.size() - 1] = av_tput;
} else {
tput.append(av_tput);
tput_time.append(ts);
}
}
base_graph_->setData(rel_time, seg_len);
tput_graph_->setData(tput_time, tput);
}
void TCPStreamDialog::fillRoundTripTime()
{
QString dlg_title = QString(tr("Round Trip Time")) + streamDescription();
setWindowTitle(dlg_title);
title_->setText(dlg_title);
sequence_num_map_.clear();
QCustomPlot *sp = ui->streamPlot;
sp->xAxis->setLabel(sequence_number_label_);
sp->xAxis->setNumberFormat("f");
sp->xAxis->setNumberPrecision(0);
sp->yAxis->setLabel(round_trip_time_ms_label_);
base_graph_->setLineStyle(QCPGraph::lsLine);
QVector<double> seq_no, rtt;
guint32 seq_base = 0;
struct unack *unack = NULL, *u = NULL;
for (struct segment *seg = graph_.segments; seg != NULL; seg = seg->next) {
if (compareHeaders(seg)) {
seq_base = seg->th_seq;
break;
}
}
for (struct segment *seg = graph_.segments; seg != NULL; seg = seg->next) {
if (compareHeaders(seg)) {
guint32 seqno = seg->th_seq - seq_base;
if (seg->th_seglen && !rtt_is_retrans(unack, seqno)) {
double rt_val = seg->rel_secs + seg->rel_usecs / 1000000.0;
u = rtt_get_new_unack(rt_val, seqno);
if (!u) return;
rtt_put_unack_on_list(&unack, u);
}
} else {
guint32 ack_no = seg->th_ack - seq_base;
double rt_val = seg->rel_secs + seg->rel_usecs / 1000000.0;
struct unack *v;
for (u = unack; u; u = v) {
if (ack_no > u->seqno) {
seq_no.append(u->seqno);
rtt.append((rt_val - u->time) * 1000.0);
sequence_num_map_.insert(u->seqno, seg);
v = u->next;
rtt_delete_unack_from_list(&unack, u);
} else {
v = u->next;
}
}
}
}
base_graph_->setData(seq_no, rtt);
}
void TCPStreamDialog::fillWindowScale()
{
QString dlg_title = QString(tr("Window Scaling")) + streamDescription();
setWindowTitle(dlg_title);
title_->setText(dlg_title);
QCustomPlot *sp = ui->streamPlot;
base_graph_->setLineStyle(QCPGraph::lsLine);
QVector<double> rel_time, win_size;
for (struct segment *seg = graph_.segments; seg != NULL; seg = seg->next) {
if (!compareHeaders(seg)) {
continue;
}
double ts = seg->rel_secs + seg->rel_usecs / 1000000.0;
guint16 flags = seg->th_flags;
if ((flags & (TH_SYN|TH_RST)) == 0) {
rel_time.append(ts - ts_offset_);
win_size.append(seg->th_win);
}
}
base_graph_->setData(rel_time, win_size);
sp->yAxis->setLabel(window_size_label_);
}
QString TCPStreamDialog::streamDescription()
{
QString description(tr(" for %1:%2 %3 %4:%5")
.arg(address_to_qstring(&graph_.src_address))
.arg(graph_.src_port)
.arg(UTF8_RIGHTWARDS_ARROW)
.arg(address_to_qstring(&graph_.dst_address))
.arg(graph_.dst_port));
return description;
}
bool TCPStreamDialog::compareHeaders(segment *seg)
{
return (compare_headers(&graph_.src_address, &graph_.dst_address,
graph_.src_port, graph_.dst_port,
&seg->ip_src, &seg->ip_dst,
seg->th_sport, seg->th_dport,
COMPARE_CURR_DIR));
}
void TCPStreamDialog::toggleTracerStyle(bool force_default)
{
if (!tracer_->visible() && !force_default) return;
QPen sp_pen = ui->streamPlot->graph(0)->pen();
QCPItemTracer::TracerStyle tstyle = QCPItemTracer::tsCrosshair;
QPen tr_pen = QPen(tracer_->pen());
QColor tr_color = sp_pen.color();
if (force_default || tracer_->style() != QCPItemTracer::tsCircle) {
tstyle = QCPItemTracer::tsCircle;
tr_color.setAlphaF(1.0);
tr_pen.setWidthF(1.5);
} else {
tr_color.setAlphaF(0.5);
tr_pen.setWidthF(1.0);
}
tracer_->setStyle(tstyle);
tr_pen.setColor(tr_color);
tracer_->setPen(tr_pen);
ui->streamPlot->replot();
}
QRectF TCPStreamDialog::getZoomRanges(QRect zoom_rect)
{
QRectF zoom_ranges = QRectF();
if (zoom_rect.width() < min_zoom_pixels_ && zoom_rect.height() < min_zoom_pixels_) {
return zoom_ranges;
}
QCustomPlot *sp = ui->streamPlot;
QRect zr = zoom_rect.normalized();
QRect ar = sp->axisRect()->rect();
if (ar.intersects(zr)) {
QRect zsr = ar.intersected(zr);
zoom_ranges.setX(sp->xAxis->range().lower
+ sp->xAxis->range().size() * (zsr.left() - ar.left()) / ar.width());
zoom_ranges.setWidth(sp->xAxis->range().size() * zsr.width() / ar.width());
// QRects grow down
zoom_ranges.setY(sp->yAxis->range().lower
+ sp->yAxis->range().size() * (ar.bottom() - zsr.bottom()) / ar.height());
zoom_ranges.setHeight(sp->yAxis->range().size() * zsr.height() / ar.height());
}
return zoom_ranges;
}
void TCPStreamDialog::graphClicked(QMouseEvent *event)
{
QCustomPlot *sp = ui->streamPlot;
if (event->button() == Qt::RightButton) {
// XXX We should find some way to get streamPlot to handle a
// contextMenuEvent instead.
ctx_menu_.exec(event->globalPos());
} else if (mouse_drags_) {
if (sp->axisRect()->rect().contains(event->pos())) {
sp->setCursor(QCursor(Qt::ClosedHandCursor));
}
on_actionGoToPacket_triggered();
} else {
if (!rubber_band_) {
rubber_band_ = new QRubberBand(QRubberBand::Rectangle, sp);
}
rb_origin_ = event->pos();
rubber_band_->setGeometry(QRect(rb_origin_, QSize()));
rubber_band_->show();
}
}
void TCPStreamDialog::axisClicked(QCPAxis *axis, QCPAxis::SelectablePart, QMouseEvent *)
{
QCustomPlot *sp = ui->streamPlot;
if (axis == sp->xAxis) {
switch (graph_.type) {
case GRAPH_THROUGHPUT:
case GRAPH_TSEQ_STEVENS:
case GRAPH_TSEQ_TCPTRACE:
case GRAPH_WSCALE:
ts_origin_conn_ = ts_origin_conn_ ? false : true;
fillGraph();
break;
case GRAPH_RTT:
seq_origin_zero_ = seq_origin_zero_ ? false : true;
fillGraph();
break;
default:
break;
}
} else if (axis == sp->yAxis) {
switch (graph_.type) {
case GRAPH_TSEQ_STEVENS:
case GRAPH_TSEQ_TCPTRACE:
seq_origin_zero_ = seq_origin_zero_ ? false : true;
fillGraph();
break;
default:
break;
}
}
}
// Setting mouseTracking on our streamPlot may not be as reliable
// as we need. If it's not we might want to poll the mouse position
// using a QTimer instead.
void TCPStreamDialog::mouseMoved(QMouseEvent *event)
{
QCustomPlot *sp = ui->streamPlot;
Qt::CursorShape shape = Qt::ArrowCursor;
if (event) {
if (event->buttons().testFlag(Qt::LeftButton)) {
if (mouse_drags_) {
shape = Qt::ClosedHandCursor;
} else {
shape = Qt::CrossCursor;
}
} else {
if (sp->axisRect()->rect().contains(event->pos())) {
if (mouse_drags_) {
shape = Qt::OpenHandCursor;
} else {
shape = Qt::CrossCursor;
}
}
}
}
sp->setCursor(QCursor(shape));
QString hint = "<small><i>";
if (mouse_drags_) {
double tr_key = tracer_->position->key();
struct segment *packet_seg = NULL;
packet_num_ = 0;
// XXX If we have multiple packets with the same timestamp tr_key
// may not return the packet we want. It might be possible to fudge
// unique keys using nextafter().
if (event && tracer_->graph() && tracer_->position->axisRect()->rect().contains(event->pos())) {
switch (graph_.type) {
case GRAPH_TSEQ_STEVENS:
case GRAPH_TSEQ_TCPTRACE:
case GRAPH_THROUGHPUT:
case GRAPH_WSCALE:
packet_seg = time_stamp_map_.value(tr_key, NULL);
break;
case GRAPH_RTT:
packet_seg = sequence_num_map_.value(tr_key, NULL);
default:
break;
}
}
if (!packet_seg) {
tracer_->setVisible(false);
hint += "Hover over the graph for details. " + stream_desc_ + "</i></small>";
ui->hintLabel->setText(hint);
ui->streamPlot->replot();
return;
}
tracer_->setVisible(true);
packet_num_ = packet_seg->num;
hint += tr("%1 %2 (%3s len %4 seq %5 ack %6 win %7)")
.arg(cap_file_ ? tr("Click to select packet") : tr("Packet"))
.arg(packet_num_)
.arg(QString::number(packet_seg->rel_secs + packet_seg->rel_usecs / 1000000.0, 'g', 4))
.arg(packet_seg->th_seglen)
.arg(packet_seg->th_seq)
.arg(packet_seg->th_ack)
.arg(packet_seg->th_win);
tracer_->setGraphKey(ui->streamPlot->xAxis->pixelToCoord(event->pos().x()));
sp->replot();
} else {
if (rubber_band_ && rubber_band_->isVisible() && event) {
rubber_band_->setGeometry(QRect(rb_origin_, event->pos()).normalized());
QRectF zoom_ranges = getZoomRanges(QRect(rb_origin_, event->pos()));
if (zoom_ranges.width() > 0.0 && zoom_ranges.height() > 0.0) {
hint += tr("Release to zoom, x = %1 to %2, y = %3 to %4")
.arg(zoom_ranges.x())
.arg(zoom_ranges.x() + zoom_ranges.width())
.arg(zoom_ranges.y())
.arg(zoom_ranges.y() + zoom_ranges.height());
} else {
hint += tr("Unable to select range.");
}
} else {
hint += tr("Click to select a portion of the graph.");
}
}
hint += " " + stream_desc_ + "</i></small>";
ui->hintLabel->setText(hint);
}
void TCPStreamDialog::mouseReleased(QMouseEvent *event)
{
if (rubber_band_) {
rubber_band_->hide();
if (!mouse_drags_) {
QRectF zoom_ranges = getZoomRanges(QRect(rb_origin_, event->pos()));
if (zoom_ranges.width() > 0.0 && zoom_ranges.height() > 0.0) {
QCustomPlot *sp = ui->streamPlot;
sp->xAxis->setRangeLower(zoom_ranges.x());
sp->xAxis->setRangeUpper(zoom_ranges.x() + zoom_ranges.width());
sp->yAxis->setRangeLower(zoom_ranges.y());
sp->yAxis->setRangeUpper(zoom_ranges.y() + zoom_ranges.height());
sp->replot();
}
}
} else if (ui->streamPlot->cursor().shape() == Qt::ClosedHandCursor) {
ui->streamPlot->setCursor(QCursor(Qt::OpenHandCursor));
}
}
void TCPStreamDialog::transformYRange(const QCPRange &y_range1)
{
if (y_axis_xfrm_.isIdentity()) return;
QCustomPlot *sp = ui->streamPlot;
QLineF yp1 = QLineF(1.0, y_range1.lower, 1.0, y_range1.upper);
QLineF yp2 = y_axis_xfrm_.map(yp1);
sp->yAxis2->setRangeUpper(yp2.y2());
sp->yAxis2->setRangeLower(yp2.y1());
}
void TCPStreamDialog::on_buttonBox_accepted()
{
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(this, 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 = ui->streamPlot->savePdf(file_name);
} else if (extension.compare(png_filter) == 0) {
save_ok = ui->streamPlot->savePng(file_name);
} else if (extension.compare(bmp_filter) == 0) {
save_ok = ui->streamPlot->saveBmp(file_name);
} else if (extension.compare(jpeg_filter) == 0) {
save_ok = ui->streamPlot->saveJpg(file_name);
}
// else error dialog?
if (save_ok) {
path = QDir(file_name);
wsApp->setLastOpenDir(path.canonicalPath().toUtf8().constData());
}
}
}
void TCPStreamDialog::on_graphTypeComboBox_currentIndexChanged(int index)
{
if (index < 0) return;
graph_.type = static_cast<tcp_graph_type>(ui->graphTypeComboBox->itemData(index).toInt());
fillGraph();
}
void TCPStreamDialog::on_resetButton_clicked()
{
resetAxes();
}
void TCPStreamDialog::setCaptureFile(capture_file *cf)
{
if (!cf) { // We only want to know when the file closes.
cap_file_ = NULL;
}
}
void TCPStreamDialog::on_streamNumberSpinBox_valueChanged(int new_stream)
{
if (new_stream >= 0 && new_stream < int(get_tcp_stream_count())) {
graph_.stream = new_stream;
clear_address(&graph_.src_address);
clear_address(&graph_.dst_address);
findStream();
fillGraph();
}
}
void TCPStreamDialog::on_otherDirectionButton_clicked()
{
on_actionSwitchDirection_triggered();
}
void TCPStreamDialog::on_dragRadioButton_toggled(bool checked)
{
if (checked) mouse_drags_ = true;
ui->streamPlot->setInteractions(
QCP::iRangeDrag |
QCP::iRangeZoom
);
}
void TCPStreamDialog::on_zoomRadioButton_toggled(bool checked)
{
if (checked) mouse_drags_ = false;
ui->streamPlot->setInteractions(0);
}
void TCPStreamDialog::on_actionZoomIn_triggered()
{
zoomAxes(true);
}
void TCPStreamDialog::on_actionZoomInX_triggered()
{
zoomXAxis(true);
}
void TCPStreamDialog::on_actionZoomInY_triggered()
{
zoomYAxis(true);
}
void TCPStreamDialog::on_actionZoomOut_triggered()
{
zoomAxes(false);
}
void TCPStreamDialog::on_actionZoomOutX_triggered()
{
zoomXAxis(false);
}
void TCPStreamDialog::on_actionZoomOutY_triggered()
{
zoomYAxis(false);
}
void TCPStreamDialog::on_actionReset_triggered()
{
on_resetButton_clicked();
}
void TCPStreamDialog::on_actionMoveRight10_triggered()
{
panAxes(10, 0);
}
void TCPStreamDialog::on_actionMoveLeft10_triggered()
{
panAxes(-10, 0);
}
void TCPStreamDialog::on_actionMoveUp10_triggered()
{
panAxes(0, 10);
}
void TCPStreamDialog::on_actionMoveDown10_triggered()
{
panAxes(0, -10);
}
void TCPStreamDialog::on_actionMoveRight1_triggered()
{
panAxes(1, 0);
}
void TCPStreamDialog::on_actionMoveLeft1_triggered()
{
panAxes(-1, 0);
}
void TCPStreamDialog::on_actionMoveUp1_triggered()
{
panAxes(0, 1);
}
void TCPStreamDialog::on_actionMoveDown1_triggered()
{
panAxes(0, -1);
}
void TCPStreamDialog::on_actionNextStream_triggered()
{
if (int(graph_.stream) < int(get_tcp_stream_count()) - 1) {
ui->streamNumberSpinBox->setValue(graph_.stream + 1);
}
}
void TCPStreamDialog::on_actionPreviousStream_triggered()
{
if (graph_.stream > 0) {
ui->streamNumberSpinBox->setValue(graph_.stream - 1);
}
}
void TCPStreamDialog::on_actionSwitchDirection_triggered()
{
address tmp_addr;
guint16 tmp_port;
copy_address(&tmp_addr, &graph_.src_address);
tmp_port = graph_.src_port;
copy_address(&graph_.src_address, &graph_.dst_address);
graph_.src_port = graph_.dst_port;
copy_address(&graph_.dst_address, &tmp_addr);
graph_.dst_port = tmp_port;
fillGraph();
}
void TCPStreamDialog::on_actionGoToPacket_triggered()
{
if (tracer_->visible() && cap_file_ && packet_num_ > 0) {
emit goToPacket(packet_num_);
}
}
void TCPStreamDialog::on_actionDragZoom_triggered()
{
if (mouse_drags_) {
ui->zoomRadioButton->toggle();
} else {
ui->dragRadioButton->toggle();
}
}
void TCPStreamDialog::on_actionToggleSequenceNumbers_triggered()
{
seq_origin_zero_ = seq_origin_zero_ ? false : true;
fillGraph();
}
void TCPStreamDialog::on_actionToggleTimeOrigin_triggered()
{
ts_origin_conn_ = ts_origin_conn_ ? false : true;
fillGraph();
}
void TCPStreamDialog::on_actionRoundTripTime_triggered()
{
ui->graphTypeComboBox->setCurrentIndex(ui->graphTypeComboBox->findData(GRAPH_RTT));
}
void TCPStreamDialog::on_actionThroughput_triggered()
{
ui->graphTypeComboBox->setCurrentIndex(ui->graphTypeComboBox->findData(GRAPH_THROUGHPUT));
}
void TCPStreamDialog::on_actionStevens_triggered()
{
ui->graphTypeComboBox->setCurrentIndex(ui->graphTypeComboBox->findData(GRAPH_TSEQ_STEVENS));
}
void TCPStreamDialog::on_actionTcptrace_triggered()
{
ui->graphTypeComboBox->setCurrentIndex(ui->graphTypeComboBox->findData(GRAPH_TSEQ_TCPTRACE));
}
void TCPStreamDialog::on_actionWindowScaling_triggered()
{
ui->graphTypeComboBox->setCurrentIndex(ui->graphTypeComboBox->findData(GRAPH_WSCALE));
}
/*
* 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:
*/