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/* capture_info_dialog.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include "wireshark.h"
#include "ui/capture_info.h"
#include "epan/capture_dissectors.h"
#include "epan/proto.h"
#include "ui/capture.h"
#include "capture_info_dialog.h"
#include "ui_capture_info_dialog.h"
#include "main_application.h"
#include "ui/qt/models/sparkline_delegate.h"
#include "utils/qt_ui_utils.h"
#include <QMainWindow>
#include <QPushButton>
// The GTK+ version of this dialog showed a list of protocols and a simple bar graph
// (progress bars) showing their portion of the total number of packets. We show a
// a time series for each protocol using a sparkline. If we wanted to show bar graphs
// instead we could do so using QProgressBars or using PercentBarDelegates.
extern "C" {
// Callbacks defined in ui/capture_info.h.
/* create the capture info dialog */
/* will keep pointers to the fields in the counts parameter */
void capture_info_ui_create(
capture_info *cinfo,
capture_session *cap_session)
{
// cinfo->ui should have three values:
// - The main window, set in MainWindow::startCapture.
// - This dialog, set below.
// - NULL, set in our destructor.
if (!cinfo || !cinfo->ui) return;
if (!cap_session) return;
QMainWindow *main_window = qobject_cast<QMainWindow *>((QObject *)cinfo->ui);
if (!main_window) return;
// ...and we take it over from here.
CaptureInfoDialog *ci_dlg = new CaptureInfoDialog(cinfo, cap_session, main_window);
cinfo->ui = ci_dlg;
ci_dlg->show();
}
/* update the capture info dialog */
/* As this function is a bit time critical while capturing, */
/* prepare everything possible in the capture_info_ui_create() function above! */
void capture_info_ui_update(
capture_info *cinfo)
{
CaptureInfoDialog *ci_dlg = qobject_cast<CaptureInfoDialog *>((QObject *)cinfo->ui);
if (!ci_dlg) return;
ci_dlg->updateInfo();
}
/* destroy the capture info dialog again */
void capture_info_ui_destroy(
capture_info *cinfo)
{
CaptureInfoDialog *ci_dlg = qobject_cast<CaptureInfoDialog *>((QObject *)cinfo->ui);
if (!ci_dlg) return;
cinfo->ui = NULL;
delete ci_dlg;
}
} // extern "C"
CaptureInfoDialog::CaptureInfoDialog(struct _capture_info *cap_info, struct _capture_session *cap_session, QWidget *parent) :
GeometryStateDialog(parent),
ui(new Ui::CaptureInfoDialog),
cap_info_(cap_info),
cap_session_(cap_session)
{
ui->setupUi(this);
loadGeometry();
setWindowTitle(mainApp->windowTitleString(tr("Capture Information")));
QPushButton *button = ui->buttonBox->button(QDialogButtonBox::Abort);
button->setText(tr("Stop Capture"));
connect(button, &QPushButton::clicked, this, &CaptureInfoDialog::stopCapture);
ci_model_ = new CaptureInfoModel(cap_info, this);
ui->treeView->setModel(ci_model_);
ui->treeView->setItemDelegateForColumn(1, new SparkLineDelegate(this));
duration_.start();
}
CaptureInfoDialog::~CaptureInfoDialog()
{
delete ui;
cap_info_->ui = NULL;
}
void CaptureInfoDialog::updateInfo()
{
int secs = int(duration_.elapsed() / 1000);
QString duration = tr("%1 packets, %2:%3:%4")
.arg(cap_info_->counts->total)
.arg(secs / 3600, 2, 10, QChar('0'))
.arg(secs % 3600 / 60, 2, 10, QChar('0'))
.arg(secs % 60, 2, 10, QChar('0'));
ui->infoLabel->setText(duration);
ci_model_->updateInfo();
ui->treeView->resizeColumnToContents(0);
}
void CaptureInfoDialog::stopCapture()
{
#ifdef HAVE_LIBPCAP
capture_stop(cap_session_); // ...or we could connect to MainWindow::stopCapture.
#endif // HAVE_LIBPCAP
}
CaptureInfoModel::CaptureInfoModel(struct _capture_info *cap_info, QObject *parent) :
QAbstractTableModel(parent),
cap_info_(cap_info),
samples_(0),
last_other_(0)
{
}
void CaptureInfoModel::updateInfo()
{
if (!cap_info_) return;
GHashTableIter iter;
gpointer key, value;
samples_++;
other_points_.append(cap_info_->counts->other - last_other_);
last_other_ = cap_info_->counts->other;
g_hash_table_iter_init (&iter, cap_info_->counts->counts_hash);
while (g_hash_table_iter_next (&iter, &key, &value)) {
int proto_id = GPOINTER_TO_INT(key);
int cur_count = (int) capture_dissector_get_count(cap_info_->counts, proto_id);
if (!points_.contains(proto_id)) {
emit beginInsertRows(QModelIndex(), rowCount(), rowCount());
QVector<int> zeroes = QVector<int>(samples_, 0);
points_[proto_id] = zeroes.toList();
last_count_[proto_id] = 0;
emit endInsertRows();
} else {
points_[proto_id].append(cur_count - last_count_[proto_id]);
last_count_[proto_id] = cur_count;
}
}
emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
}
int CaptureInfoModel::rowCount(const QModelIndex &) const
{
if (!cap_info_) return 0;
return static_cast<int>(points_.keys().size()) + 1;
}
int CaptureInfoModel::columnCount(const QModelIndex &) const
{
return 2;
}
QVariant CaptureInfoModel::data(const QModelIndex &index, int role) const
{
QList<int> proto_ids = points_.keys();
int row = index.row();
if (role == Qt::DisplayRole && index.column() == 0) {
if (row < proto_ids.size()) {
int proto_id = proto_ids.at(row);
return QString(proto_get_protocol_short_name(find_protocol_by_id(proto_id)));
} else {
return tr("Other");
}
} else if (role == Qt::UserRole && index.column() == 1) {
if (row < proto_ids.size()) {
int proto_id = proto_ids.at(row);
return QVariant::fromValue(points_[proto_id]);
} else {
return QVariant::fromValue(other_points_);
}
}
return QVariant();
}
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