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/* wireshark_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 "config.h"
#include <glib.h>
#include "cfile.h"
#include <epan/packet.h>
#include <epan/tap.h>
#include "wireshark_application.h"
#include "wireshark_dialog.h"
#include "qt_ui_utils.h"
#include "ui/recent.h"
#include "ui/ui_util.h"
#include <QMessageBox>
// To do:
// - Use a dynamic property + Q_PROPERTY for the subtitle.
// - Make our nested event loop more robust. See tryDeleteLater for details.
WiresharkDialog::WiresharkDialog(QWidget &parent, CaptureFile &capture_file) :
GeometryStateDialog(&parent, Qt::Window),
cap_file_(capture_file),
file_closed_(false),
retap_depth_(0),
dialog_closed_(false)
{
setWindowIcon(wsApp->normalIcon());
setWindowTitleFromSubtitle();
connect(&cap_file_, SIGNAL(captureFileRetapStarted()), this, SLOT(beginRetapPackets()));
connect(&cap_file_, SIGNAL(captureFileRetapFinished()), this, SLOT(endRetapPackets()));
connect(&cap_file_, SIGNAL(captureFileClosing()), this, SLOT(captureFileClosing()));
connect(&cap_file_, SIGNAL(captureFileClosed()), this, SLOT(captureFileClosed()));
}
void WiresharkDialog::accept()
{
QDialog::accept();
// Cancel any taps in progress?
// cap_file_.setCaptureStopFlag();
removeTapListeners();
dialog_closed_ = true;
tryDeleteLater();
}
// XXX Should we do this in WiresharkDialog?
void WiresharkDialog::reject()
{
QDialog::reject();
// Cancel any taps in progress?
// cap_file_.setCaptureStopFlag();
removeTapListeners();
dialog_closed_ = true;
tryDeleteLater();
}
void WiresharkDialog::setWindowSubtitle(const QString &subtitle)
{
subtitle_ = subtitle;
setWindowTitleFromSubtitle();
}
void WiresharkDialog::setWindowTitleFromSubtitle()
{
QString title = wsApp->windowTitleString(QStringList() << subtitle_ << cap_file_.fileTitle());
QDialog::setWindowTitle(title);
}
// See if we can destroy ourselves. The user may have clicked "Close" while
// we were deep in the bowels of a routine that retaps packets. Track our
// tapping state using retap_depth_ and our closed state using dialog_closed_.
//
// The Delta Object Rules (http://delta.affinix.com/dor/) page on nested
// event loops effectively says "don't do that." However, we don't really
// have a choice if we want to have a usable application that retaps packets.
void WiresharkDialog::tryDeleteLater()
{
if (retap_depth_ < 1 && dialog_closed_) {
disconnect();
deleteLater();
}
}
void WiresharkDialog::updateWidgets()
{
setWindowTitleFromSubtitle();
}
bool WiresharkDialog::registerTapListener(const char *tap_name, void *tap_data, const char *filter, guint flags, void(*tap_reset)(void *), gboolean(*tap_packet)(void *, struct _packet_info *, struct epan_dissect *, const void *), void(*tap_draw)(void *))
{
GString *error_string = register_tap_listener(tap_name, tap_data, filter, flags,
tap_reset, tap_packet, tap_draw);
if (error_string) {
QMessageBox::warning(this, tr("Failed to attach to tap \"%1\"").arg(tap_name),
error_string->str);
g_string_free(error_string, TRUE);
return false;
}
tap_listeners_ << tap_data;
return true;
}
void WiresharkDialog::endRetapPackets()
{
retap_depth_--;
tryDeleteLater();
}
void WiresharkDialog::removeTapListeners()
{
while (!tap_listeners_.isEmpty()) {
remove_tap_listener(tap_listeners_.takeFirst());
}
}
void WiresharkDialog::captureFileClosing()
{
if (file_closed_)
return;
removeTapListeners();
updateWidgets();
}
void WiresharkDialog::captureFileClosed()
{
if (file_closed_)
return;
removeTapListeners();
updateWidgets();
file_closed_ = true;
}
/*
* 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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