573 lines
20 KiB
C++
573 lines
20 KiB
C++
/* voip_calls_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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "voip_calls_dialog.h"
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#include <ui_voip_calls_dialog.h>
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#include "file.h"
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#include "epan/addr_resolv.h"
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#include "epan/dissectors/packet-h225.h"
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#include "ui/rtp_stream.h"
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#include <wsutil/utf8_entities.h>
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#include "qt_ui_utils.h"
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#include "rtp_player_dialog.h"
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#include "sequence_dialog.h"
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#include "stock_icon.h"
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#include "wireshark_application.h"
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#include <QContextMenuEvent>
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#include <QPushButton>
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// To do:
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// - More context menu items
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// - Don't select on right click
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// - Player
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// - Add a screenshot to the user's guide
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// Bugs:
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// - Preparing a filter overwrites the existing filter. The GTK+ UI appends.
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// We'll probably have to add an "append" parameter to MainWindow::filterPackets.
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// VoipCallsTreeWidgetItem
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// QTreeWidgetItem subclass that allows sorting
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const int start_time_col_ = 0;
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const int stop_time_col_ = 1;
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const int initial_speaker_col_ = 2;
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const int from_col_ = 3;
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const int to_col_ = 4;
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const int protocol_col_ = 5;
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const int packets_col_ = 6;
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const int state_col_ = 7;
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const int comments_col_ = 8;
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Q_DECLARE_METATYPE(voip_calls_info_t*)
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enum { voip_calls_type_ = 1000 };
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class VoipCallsTreeWidgetItem : public QTreeWidgetItem
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{
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public:
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VoipCallsTreeWidgetItem(QTreeWidget *tree, voip_calls_info_t *call_info) :
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QTreeWidgetItem(tree, voip_calls_type_),
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call_info_(call_info)
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{
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drawData();
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}
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voip_calls_info_t *callInfo() {
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// XXX Not needed? We explicitly pass selected conversations to RtpPlayerDialog.
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// call_info_->selected = isSelected() ? TRUE : FALSE;
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return call_info_;
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}
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void drawData() {
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if (!call_info_) {
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setText(start_time_col_, QObject::tr("Error"));
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return;
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}
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// XXX Pull digit count from capture file precision
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setText(start_time_col_, QString::number(nstime_to_sec(&(call_info_->start_rel_ts)), 'f', 6));
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setText(stop_time_col_, QString::number(nstime_to_sec(&(call_info_->stop_rel_ts)), 'f', 6));
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setText(initial_speaker_col_, address_to_display_qstring(&(call_info_->initial_speaker)));
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setText(from_col_, call_info_->from_identity);
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setText(to_col_, call_info_->to_identity);
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setText(protocol_col_, ((call_info_->protocol == VOIP_COMMON) && call_info_->protocol_name) ?
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call_info_->protocol_name : voip_protocol_name[call_info_->protocol]);
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setText(packets_col_, QString::number(call_info_->npackets));
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setText(state_col_, voip_call_state_name[call_info_->call_state]);
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/* Add comments based on the protocol */
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QString call_comments;
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switch (call_info_->protocol) {
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case VOIP_ISUP:
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{
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isup_calls_info_t *isup_info = (isup_calls_info_t *)call_info_->prot_info;
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call_comments = QString("%1-%2 %3 %4-%5")
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.arg(isup_info->ni)
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.arg(isup_info->opc)
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.arg(UTF8_RIGHTWARDS_ARROW)
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.arg(isup_info->ni)
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.arg(isup_info->dpc);
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}
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break;
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case VOIP_H323:
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{
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h323_calls_info_t *h323_info = (h323_calls_info_t *)call_info_->prot_info;
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gboolean flag = FALSE;
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static const QString on_str = QObject::tr("On");
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static const QString off_str = QObject::tr("Off");
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if (call_info_->call_state == VOIP_CALL_SETUP) {
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flag = h323_info->is_faststart_Setup;
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} else {
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if ((h323_info->is_faststart_Setup) && (h323_info->is_faststart_Proc)) {
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flag = TRUE;
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}
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}
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call_comments = QObject::tr("Tunneling: %1 Fast Start: %2")
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.arg(h323_info->is_h245Tunneling ? on_str : off_str)
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.arg(flag ? on_str : off_str);
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}
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break;
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case VOIP_COMMON:
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default:
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call_comments = call_info_->call_comment;
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break;
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}
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setText(comments_col_, call_comments);
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}
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bool operator< (const QTreeWidgetItem &other) const
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{
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if (other.type() != voip_calls_type_) return QTreeWidgetItem::operator< (other);
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const VoipCallsTreeWidgetItem *other_row = static_cast<const VoipCallsTreeWidgetItem *>(&other);
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if (!call_info_ || !other_row->call_info_) {
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return QTreeWidgetItem::operator< (other);
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}
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switch (treeWidget()->sortColumn()) {
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case start_time_col_:
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return nstime_cmp(&(call_info_->start_rel_ts), &(other_row->call_info_->start_rel_ts)) < 0;
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break;
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case stop_time_col_:
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return nstime_cmp(&(call_info_->stop_rel_ts), &(other_row->call_info_->stop_rel_ts)) < 0;
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break;
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case initial_speaker_col_:
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return cmp_address(&(call_info_->initial_speaker), &(other_row->call_info_->initial_speaker)) < 0;
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break;
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case packets_col_:
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return call_info_->npackets < other_row->call_info_->npackets;
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break;
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default:
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break;
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}
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// Fall back to string comparison
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return QTreeWidgetItem::operator <(other);
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}
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private:
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voip_calls_info_t *call_info_;
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};
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VoipCallsDialog::VoipCallsDialog(QWidget &parent, CaptureFile &cf, bool all_flows) :
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WiresharkDialog(parent, cf),
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ui(new Ui::VoipCallsDialog),
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parent_(parent)
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{
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ui->setupUi(this);
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ui->callTreeWidget->sortByColumn(start_time_col_, Qt::AscendingOrder);
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setWindowSubtitle(all_flows ? tr("SIP Flows") : tr("VoIP Calls"));
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ctx_menu_.addActions(QList<QAction *>() << ui->actionSelect_All);
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prepare_button_ = ui->buttonBox->addButton(tr("Prepare Filter"), QDialogButtonBox::ApplyRole);
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sequence_button_ = ui->buttonBox->addButton(tr("Flow Sequence"), QDialogButtonBox::ApplyRole);
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player_button_ = RtpPlayerDialog::addPlayerButton(ui->buttonBox);
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// XXX Use recent settings instead
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resize(parent.width() * 4 / 5, parent.height() * 2 / 3);
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memset (&tapinfo_, 0, sizeof(tapinfo_));
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tapinfo_.tap_packet = tapPacket;
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tapinfo_.tap_draw = tapDraw;
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tapinfo_.tap_data = this;
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tapinfo_.callsinfos = g_queue_new();
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tapinfo_.h225_cstype = H225_OTHER;
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tapinfo_.fs_option = all_flows ? FLOW_ALL : FLOW_ONLY_INVITES; /* flow show option */
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tapinfo_.graph_analysis = sequence_analysis_info_new();
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tapinfo_.graph_analysis->type = SEQ_ANALYSIS_VOIP;
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sequence_info_ = new SequenceInfo(tapinfo_.graph_analysis);
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voip_calls_init_all_taps(&tapinfo_);
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updateWidgets();
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if (cap_file_.isValid()) {
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tapinfo_.session = cap_file_.capFile()->epan;
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cap_file_.delayedRetapPackets();
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}
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}
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VoipCallsDialog::~VoipCallsDialog()
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{
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delete ui;
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voip_calls_reset_all_taps(&tapinfo_);
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voip_calls_remove_all_tap_listeners(&tapinfo_);
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sequence_info_->unref();
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g_queue_free(tapinfo_.callsinfos);
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}
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void VoipCallsDialog::captureFileClosing()
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{
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voip_calls_remove_all_tap_listeners(&tapinfo_);
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tapinfo_.session = NULL;
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WiresharkDialog::captureFileClosing();
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}
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void VoipCallsDialog::contextMenuEvent(QContextMenuEvent *event)
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{
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ctx_menu_.exec(event->globalPos());
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}
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void VoipCallsDialog::changeEvent(QEvent *event)
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{
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if (0 != event)
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{
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switch (event->type())
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{
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case QEvent::LanguageChange:
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ui->retranslateUi(this);
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break;
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default:
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break;
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}
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}
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QDialog::changeEvent(event);
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}
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//void VoipCallsDialog::tapReset(void *)
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//{
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// voip_calls_tapinfo_t *tapinfo = (voip_calls_tapinfo_t *) tapinfo_ptr;
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//}
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gboolean VoipCallsDialog::tapPacket(void *, packet_info *, epan_dissect_t *, const void *)
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{
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#ifdef QT_MULTIMEDIA_LIB
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// voip_calls_tapinfo_t *tapinfo = (voip_calls_tapinfo_t *) tapinfo_ptr;
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// add_rtp_packet for voip player.
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// return TRUE;
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#endif
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return FALSE;
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}
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void VoipCallsDialog::tapDraw(void *tapinfo_ptr)
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{
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voip_calls_tapinfo_t *tapinfo = (voip_calls_tapinfo_t *) tapinfo_ptr;
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if (!tapinfo || !tapinfo->redraw) {
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return;
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}
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GList *graph_item = g_queue_peek_nth_link(tapinfo->graph_analysis->items, 0);
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for (; graph_item; graph_item = g_list_next(graph_item)) {
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for (GList *rsi_entry = g_list_first(tapinfo->rtp_stream_list); rsi_entry; rsi_entry = g_list_next(rsi_entry)) {
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seq_analysis_item_t * sai = (seq_analysis_item_t *)graph_item->data;
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rtp_stream_info_t *rsi = (rtp_stream_info_t *)rsi_entry->data;
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if (rsi->start_fd->num == sai->frame_number) {
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rsi->call_num = sai->conv_num;
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// VOIP_CALLS_DEBUG("setting conv num %u for frame %u", sai->conv_num, sai->fd->num);
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}
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}
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}
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VoipCallsDialog *voip_calls_dialog = static_cast<VoipCallsDialog *>(tapinfo->tap_data);
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if (voip_calls_dialog) {
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voip_calls_dialog->updateCalls();
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}
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}
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void VoipCallsDialog::updateCalls()
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{
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GList *cur_call = g_queue_peek_nth_link(tapinfo_.callsinfos, ui->callTreeWidget->topLevelItemCount());
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ui->callTreeWidget->setSortingEnabled(false);
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// Add any missing items
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while (cur_call && cur_call->data) {
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voip_calls_info_t *call_info = (voip_calls_info_t*) cur_call->data;
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new VoipCallsTreeWidgetItem(ui->callTreeWidget, call_info);
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cur_call = g_list_next(cur_call);
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}
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// Fill in the tree
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QTreeWidgetItemIterator iter(ui->callTreeWidget);
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while (*iter) {
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VoipCallsTreeWidgetItem *vcti = static_cast<VoipCallsTreeWidgetItem*>(*iter);
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vcti->drawData();
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++iter;
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}
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// Resize columns
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for (int i = 0; i < ui->callTreeWidget->columnCount(); i++) {
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ui->callTreeWidget->resizeColumnToContents(i);
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}
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ui->callTreeWidget->setSortingEnabled(true);
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updateWidgets();
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}
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void VoipCallsDialog::updateWidgets()
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{
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bool selected = ui->callTreeWidget->selectedItems().count() > 0 ? true : false;
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bool have_ga_items = false;
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if (tapinfo_.graph_analysis && tapinfo_.graph_analysis->items) {
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have_ga_items = true;
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}
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foreach (QMenu *submenu, ctx_menu_.findChildren<QMenu*>()) {
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submenu->setEnabled(selected);
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}
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prepare_button_->setEnabled(selected && have_ga_items);
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sequence_button_->setEnabled(selected && have_ga_items);
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#if defined(QT_MULTIMEDIA_LIB)
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player_button_->setEnabled(selected && have_ga_items);
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#else
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player_button_->setEnabled(false);
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player_button_->setText(tr("No Audio"));
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#endif
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}
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void VoipCallsDialog::prepareFilter()
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{
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if (ui->callTreeWidget->selectedItems().count() < 1 || !tapinfo_.graph_analysis) {
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return;
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}
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QString filter_str;
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QSet<guint16> selected_calls;
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/* Build a new filter based on frame numbers */
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const char *or_prepend = "";
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foreach (QTreeWidgetItem *ti, ui->callTreeWidget->selectedItems()) {
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VoipCallsTreeWidgetItem *vc_ti = static_cast<VoipCallsTreeWidgetItem *>(ti);
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voip_calls_info_t *call_info = vc_ti->callInfo();
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if (!call_info) {
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return;
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}
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selected_calls << call_info->call_num;
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}
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GList *cur_ga_item = g_queue_peek_nth_link(tapinfo_.graph_analysis->items, 0);
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while (cur_ga_item && cur_ga_item->data) {
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seq_analysis_item_t *ga_item = (seq_analysis_item_t*) cur_ga_item->data;
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if (selected_calls.contains(ga_item->conv_num)) {
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filter_str += QString("%1frame.number == %2").arg(or_prepend).arg(ga_item->frame_number);
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or_prepend = " or ";
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}
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cur_ga_item = g_list_next(cur_ga_item);
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}
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#if 0
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// XXX The GTK+ UI falls back to building a filter based on protocols if the filter
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// length is too long. Leaving this here for the time being in case we need to do
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// the same in the Qt UI.
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const sip_calls_info_t *sipinfo;
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const isup_calls_info_t *isupinfo;
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const h323_calls_info_t *h323info;
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const h245_address_t *h245_add = NULL;
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const gcp_ctx_t* ctx;
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char *guid_str;
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if (filter_length < max_filter_length) {
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gtk_editable_insert_text(GTK_EDITABLE(main_display_filter_widget), filter_string_fwd->str, -1, &pos);
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} else {
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g_string_free(filter_string_fwd, TRUE);
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filter_string_fwd = g_string_new(filter_prepend);
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g_string_append_printf(filter_string_fwd, "(");
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is_first = TRUE;
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/* Build a new filter based on protocol fields */
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lista = g_queue_peek_nth_link(voip_calls_get_info()->callsinfos, 0);
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while (lista) {
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listinfo = (voip_calls_info_t *)lista->data;
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if (listinfo->selected) {
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if (!is_first)
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g_string_append_printf(filter_string_fwd, " or ");
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switch (listinfo->protocol) {
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case VOIP_SIP:
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sipinfo = (sip_calls_info_t *)listinfo->prot_info;
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g_string_append_printf(filter_string_fwd,
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"(sip.Call-ID == \"%s\")",
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sipinfo->call_identifier
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);
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break;
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case VOIP_ISUP:
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isupinfo = (isup_calls_info_t *)listinfo->prot_info;
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g_string_append_printf(filter_string_fwd,
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"(isup.cic == %i and frame.number >= %i and frame.number <= %i and mtp3.network_indicator == %i and ((mtp3.dpc == %i) and (mtp3.opc == %i)) or ((mtp3.dpc == %i) and (mtp3.opc == %i)))",
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isupinfo->cic, listinfo->start_fd->num,
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listinfo->stop_fd->num,
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isupinfo->ni, isupinfo->dpc, isupinfo->opc,
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isupinfo->opc, isupinfo->dpc
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);
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break;
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case VOIP_H323:
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{
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h323info = (h323_calls_info_t *)listinfo->prot_info;
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guid_str = guid_to_str(NULL, &h323info->guid[0]);
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g_string_append_printf(filter_string_fwd,
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"((h225.guid == %s || q931.call_ref == %x:%x || q931.call_ref == %x:%x)",
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guid_str,
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(guint8) (h323info->q931_crv & 0x00ff),
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(guint8)((h323info->q931_crv & 0xff00)>>8),
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(guint8) (h323info->q931_crv2 & 0x00ff),
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(guint8)((h323info->q931_crv2 & 0xff00)>>8));
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listb = g_list_first(h323info->h245_list);
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wmem_free(NULL, guid_str);
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while (listb) {
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h245_add = (h245_address_t *)listb->data;
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g_string_append_printf(filter_string_fwd,
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" || (ip.addr == %s && tcp.port == %d && h245)",
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address_to_qstring(&h245_add->h245_address), h245_add->h245_port);
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listb = g_list_next(listb);
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}
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g_string_append_printf(filter_string_fwd, ")");
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}
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break;
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case TEL_H248:
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ctx = (gcp_ctx_t *)listinfo->prot_info;
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g_string_append_printf(filter_string_fwd,
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"(h248.ctx == 0x%x)", ctx->id);
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break;
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default:
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/* placeholder to assure valid display filter expression */
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g_string_append_printf(filter_string_fwd,
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"(frame)");
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break;
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}
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is_first = FALSE;
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}
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lista = g_list_next(lista);
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}
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|
g_string_append_printf(filter_string_fwd, ")");
|
|
gtk_editable_insert_text(GTK_EDITABLE(main_display_filter_widget), filter_string_fwd->str, -1, &pos);
|
|
}
|
|
#endif
|
|
|
|
emit updateFilter(filter_str);
|
|
}
|
|
|
|
void VoipCallsDialog::showSequence()
|
|
{
|
|
if (file_closed_) return;
|
|
|
|
QSet<guint16> selected_calls;
|
|
foreach (QTreeWidgetItem *ti, ui->callTreeWidget->selectedItems()) {
|
|
VoipCallsTreeWidgetItem *vc_ti = static_cast<VoipCallsTreeWidgetItem *>(ti);
|
|
voip_calls_info_t *call_info = vc_ti->callInfo();
|
|
if (!call_info) {
|
|
return;
|
|
}
|
|
selected_calls << call_info->call_num;
|
|
}
|
|
|
|
sequence_analysis_list_sort(tapinfo_.graph_analysis);
|
|
GList *cur_ga_item = g_queue_peek_nth_link(tapinfo_.graph_analysis->items, 0);
|
|
while (cur_ga_item && cur_ga_item->data) {
|
|
seq_analysis_item_t *ga_item = (seq_analysis_item_t*) cur_ga_item->data;
|
|
ga_item->display = selected_calls.contains(ga_item->conv_num);
|
|
cur_ga_item = g_list_next(cur_ga_item);
|
|
}
|
|
|
|
SequenceDialog *sequence_dialog = new SequenceDialog(parent_, cap_file_, sequence_info_);
|
|
// XXX This goes away when we close the VoIP Calls dialog.
|
|
connect(sequence_dialog, SIGNAL(goToPacket(int)),
|
|
this, SIGNAL(goToPacket(int)));
|
|
sequence_dialog->show();
|
|
}
|
|
|
|
void VoipCallsDialog::showPlayer()
|
|
{
|
|
#ifdef QT_MULTIMEDIA_LIB
|
|
RtpPlayerDialog rtp_player_dialog(*this, cap_file_);
|
|
|
|
foreach (QTreeWidgetItem *ti, ui->callTreeWidget->selectedItems()) {
|
|
VoipCallsTreeWidgetItem *vc_ti = static_cast<VoipCallsTreeWidgetItem *>(ti);
|
|
for (GList *rsi_entry = g_list_first(tapinfo_.rtp_stream_list); rsi_entry; rsi_entry = g_list_next(rsi_entry)) {
|
|
rtp_stream_info_t *rsi = (rtp_stream_info_t *)rsi_entry->data;
|
|
if (!rsi) continue;
|
|
|
|
//VOIP_CALLS_DEBUG("checking call %u, start frame %u == stream call %u, start frame %u, setup frame %u",
|
|
// vc_ti->callInfo()->call_num, vc_ti->callInfo()->start_fd->num,
|
|
// rsi->call_num, rsi->start_fd->num, rsi->setup_frame_number);
|
|
if (vc_ti->callInfo()->call_num == rsi->call_num) {
|
|
//VOIP_CALLS_DEBUG("adding call number %u", vc_ti->callInfo()->call_num);
|
|
rtp_player_dialog.addRtpStream(rsi);
|
|
}
|
|
}
|
|
}
|
|
|
|
connect(&rtp_player_dialog, SIGNAL(goToPacket(int)), this, SIGNAL(goToPacket(int)));
|
|
|
|
// XXX This retaps the packet list. We still have our own tap listener
|
|
// registered at this point.
|
|
rtp_player_dialog.exec();
|
|
#endif // QT_MULTIMEDIA_LIB
|
|
}
|
|
|
|
void VoipCallsDialog::on_callTreeWidget_itemActivated(QTreeWidgetItem *item, int)
|
|
{
|
|
VoipCallsTreeWidgetItem *vc_ti = static_cast<VoipCallsTreeWidgetItem *>(item);
|
|
voip_calls_info_t *call_info = vc_ti->callInfo();
|
|
if (!call_info) {
|
|
return;
|
|
}
|
|
emit goToPacket(call_info->start_fd->num);
|
|
}
|
|
|
|
void VoipCallsDialog::on_callTreeWidget_itemSelectionChanged()
|
|
{
|
|
updateWidgets();
|
|
}
|
|
|
|
void VoipCallsDialog::on_actionSelect_All_triggered()
|
|
{
|
|
ui->callTreeWidget->selectAll();
|
|
}
|
|
|
|
void VoipCallsDialog::on_buttonBox_clicked(QAbstractButton *button)
|
|
{
|
|
if (button == prepare_button_) {
|
|
prepareFilter();
|
|
} else if (button == sequence_button_) {
|
|
showSequence();
|
|
} else if (button == player_button_) {
|
|
showPlayer();
|
|
}
|
|
}
|
|
|
|
void VoipCallsDialog::on_buttonBox_helpRequested()
|
|
{
|
|
wsApp->helpTopicAction(HELP_TELEPHONY_VOIP_CALLS_DIALOG);
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|