aboutsummaryrefslogtreecommitdiffstats
path: root/ui/qt/rtp_stream_dialog.cpp
blob: 48228305f13037f58a3618b9f3ee088af5b6254a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
/* rtp_stream_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 "rtp_stream_dialog.h"
#include <ui_rtp_stream_dialog.h>

#include "file.h"

#include "epan/addr_resolv.h"
#include <epan/rtp_pt.h>

#include <wsutil/utf8_entities.h>

#include <ui/qt/utils/qt_ui_utils.h>
#include "rtp_analysis_dialog.h"
#include "wireshark_application.h"

#include <QAction>
#include <QClipboard>
#include <QFileDialog>
#include <QKeyEvent>
#include <QPushButton>
#include <QTextStream>
#include <QTreeWidgetItem>
#include <QTreeWidgetItemIterator>

#include <ui/qt/utils/tango_colors.h>

/*
 * @file RTP stream dialog
 *
 * Displays a list of RTP streams with the following information:
 * - UDP 4-tuple
 * - SSRC
 * - Payload type
 * - Stats: Packets, lost, max delta, max jitter, mean jitter
 * - Problems
 *
 * Finds reverse streams
 * "Save As" rtpdump
 * Mark packets
 * Go to the setup frame
 * Prepare filter
 * Copy As CSV and YAML
 * Analyze
 */

// To do:
// - Add more statistics to the hint text (e.g. lost packets).
// - Add more statistics to the main list (e.g. stream duration)

const int src_addr_col_    =  0;
const int src_port_col_    =  1;
const int dst_addr_col_    =  2;
const int dst_port_col_    =  3;
const int ssrc_col_        =  4;
const int payload_col_     =  5;
const int packets_col_     =  6;
const int lost_col_        =  7;
const int max_delta_col_   =  8;
const int max_jitter_col_  =  9;
const int mean_jitter_col_ = 10;
const int status_col_      = 11;

enum { rtp_stream_type_ = 1000 };

class RtpStreamTreeWidgetItem : public QTreeWidgetItem
{
public:
    RtpStreamTreeWidgetItem(QTreeWidget *tree, rtp_stream_info_t *stream_info) :
        QTreeWidgetItem(tree, rtp_stream_type_),
        stream_info_(stream_info)
    {
        drawData();
    }

    rtp_stream_info_t *streamInfo() const { return stream_info_; }

    void drawData() {
        if (!stream_info_) {
            return;
        }
        setText(src_addr_col_, address_to_display_qstring(&stream_info_->src_addr));
        setText(src_port_col_, QString::number(stream_info_->src_port));
        setText(dst_addr_col_, address_to_display_qstring(&stream_info_->dest_addr));
        setText(dst_port_col_, QString::number(stream_info_->dest_port));
        setText(ssrc_col_, QString("0x%1").arg(stream_info_->ssrc, 0, 16));

        if (stream_info_->payload_type_name != NULL) {
            setText(payload_col_, stream_info_->payload_type_name);
        } else {
            setText(payload_col_, val_ext_to_qstring(stream_info_->payload_type,
                                                 &rtp_payload_type_short_vals_ext,
                                                 "Unknown (%u)"));
        }

        setText(packets_col_, QString::number(stream_info_->packet_count));

        guint32 expected;
        double pct_loss;
        expected = (stream_info_->rtp_stats.stop_seq_nr + stream_info_->rtp_stats.cycles*65536)
            - stream_info_->rtp_stats.start_seq_nr + 1;
        lost_ = expected - stream_info_->rtp_stats.total_nr;
        if (expected) {
            pct_loss = (double)(lost_*100.0)/(double)expected;
        } else {
            pct_loss = 0;
        }

        setText(lost_col_, QObject::tr("%1 (%L2%)").arg(lost_).arg(QString::number(pct_loss, 'f', 1)));
        setText(max_delta_col_, QString::number(stream_info_->rtp_stats.max_delta, 'f', 3)); // This is RTP. Do we need nanoseconds?
        setText(max_jitter_col_, QString::number(stream_info_->rtp_stats.max_jitter, 'f', 3));
        setText(mean_jitter_col_, QString::number(stream_info_->rtp_stats.mean_jitter, 'f', 3));

        if (stream_info_->problem) {
            setText(status_col_, UTF8_BULLET);
            setTextAlignment(status_col_, Qt::AlignCenter);
            for (int i = 0; i < columnCount(); i++) {
                setBackgroundColor(i, ws_css_warn_background);
                setTextColor(i, ws_css_warn_text);
            }
        }
    }
    // Return a QString, int, double, or invalid QVariant representing the raw column data.
    QVariant colData(int col) const {
        if (!stream_info_) {
            return QVariant();
        }

        switch(col) {
        case src_addr_col_:
        case dst_addr_col_:
        case payload_col_: // XXX Return numeric value?
            return text(col);
        case src_port_col_:
            return stream_info_->src_port;
        case dst_port_col_:
            return stream_info_->dest_port;
        case ssrc_col_:
            return stream_info_->ssrc;
        case packets_col_:
            return stream_info_->packet_count;
        case lost_col_:
            return lost_;
        case max_delta_col_:
            return stream_info_->rtp_stats.max_delta;
        case max_jitter_col_:
            return stream_info_->rtp_stats.max_jitter;
        case mean_jitter_col_:
            return stream_info_->rtp_stats.mean_jitter;
        case status_col_:
            return stream_info_->problem ? "Problem" : "";
        default:
            break;
        }
        return QVariant();
    }

    bool operator< (const QTreeWidgetItem &other) const
    {
        if (other.type() != rtp_stream_type_) return QTreeWidgetItem::operator <(other);
        const RtpStreamTreeWidgetItem &other_rstwi = dynamic_cast<const RtpStreamTreeWidgetItem&>(other);

        switch (treeWidget()->sortColumn()) {
        case src_addr_col_:
            return cmp_address(&(stream_info_->src_addr), &(other_rstwi.stream_info_->src_addr)) < 0;
        case src_port_col_:
            return stream_info_->src_port < other_rstwi.stream_info_->src_port;
        case dst_addr_col_:
            return cmp_address(&(stream_info_->dest_addr), &(other_rstwi.stream_info_->dest_addr)) < 0;
        case dst_port_col_:
            return stream_info_->dest_port < other_rstwi.stream_info_->dest_port;
        case ssrc_col_:
            return stream_info_->ssrc < other_rstwi.stream_info_->ssrc;
        case payload_col_:
            return stream_info_->payload_type < other_rstwi.stream_info_->payload_type; // XXX Compare payload_type_name instead?
        case packets_col_:
            return stream_info_->packet_count < other_rstwi.stream_info_->packet_count;
        case lost_col_:
            return lost_ < other_rstwi.lost_;
        case max_delta_col_:
            return stream_info_->rtp_stats.max_delta < other_rstwi.stream_info_->rtp_stats.max_delta;
        case max_jitter_col_:
            return stream_info_->rtp_stats.max_jitter < other_rstwi.stream_info_->rtp_stats.max_jitter;
        case mean_jitter_col_:
            return stream_info_->rtp_stats.mean_jitter < other_rstwi.stream_info_->rtp_stats.mean_jitter;
        default:
            break;
        }

        // Fall back to string comparison
        return QTreeWidgetItem::operator <(other);
    }

private:
    rtp_stream_info_t *stream_info_;
    guint32 lost_;
};

RtpStreamDialog::RtpStreamDialog(QWidget &parent, CaptureFile &cf) :
    WiresharkDialog(parent, cf),
    ui(new Ui::RtpStreamDialog),
    need_redraw_(false)
{
    ui->setupUi(this);
    loadGeometry(parent.width() * 4 / 5, parent.height() * 2 / 3);
    setWindowSubtitle(tr("RTP Streams"));
    ui->streamTreeWidget->installEventFilter(this);

    ctx_menu_.addAction(ui->actionSelectNone);
    ctx_menu_.addAction(ui->actionFindReverse);
    ctx_menu_.addAction(ui->actionGoToSetup);
    ctx_menu_.addAction(ui->actionMarkPackets);
    ctx_menu_.addAction(ui->actionPrepareFilter);
    ctx_menu_.addAction(ui->actionExportAsRtpDump);
    ctx_menu_.addAction(ui->actionCopyAsCsv);
    ctx_menu_.addAction(ui->actionCopyAsYaml);
    ctx_menu_.addAction(ui->actionAnalyze);
    ui->streamTreeWidget->setContextMenuPolicy(Qt::CustomContextMenu);
    ui->streamTreeWidget->header()->setSortIndicator(0, Qt::AscendingOrder);
    connect(ui->streamTreeWidget, SIGNAL(customContextMenuRequested(QPoint)),
                SLOT(showStreamMenu(QPoint)));

    // Some GTK+ buttons have been left out intentionally in order to
    // reduce clutter. Do you have a strong and informed opinion about
    // this? Perhaps you should volunteer to maintain this code!
    find_reverse_button_ = ui->buttonBox->addButton(ui->actionFindReverse->text(), QDialogButtonBox::ApplyRole);
    find_reverse_button_->setToolTip(ui->actionFindReverse->toolTip());
    prepare_button_ = ui->buttonBox->addButton(ui->actionPrepareFilter->text(), QDialogButtonBox::ApplyRole);
    prepare_button_->setToolTip(ui->actionPrepareFilter->toolTip());
    export_button_ = ui->buttonBox->addButton(tr("Export" UTF8_HORIZONTAL_ELLIPSIS), QDialogButtonBox::ApplyRole);
    export_button_->setToolTip(ui->actionExportAsRtpDump->toolTip());
    copy_button_ = ui->buttonBox->addButton(tr("Copy"), QDialogButtonBox::ApplyRole);
    analyze_button_ = ui->buttonBox->addButton(ui->actionAnalyze->text(), QDialogButtonBox::ApplyRole);
    analyze_button_->setToolTip(ui->actionAnalyze->toolTip());

    QMenu *copy_menu = new QMenu(copy_button_);
    QAction *ca;
    ca = copy_menu->addAction(tr("as CSV"));
    ca->setToolTip(ui->actionCopyAsCsv->toolTip());
    connect(ca, SIGNAL(triggered()), this, SLOT(on_actionCopyAsCsv_triggered()));
    ca = copy_menu->addAction(tr("as YAML"));
    ca->setToolTip(ui->actionCopyAsYaml->toolTip());
    connect(ca, SIGNAL(triggered()), this, SLOT(on_actionCopyAsYaml_triggered()));
    copy_button_->setMenu(copy_menu);

    /* Register the tap listener */
    memset(&tapinfo_, 0, sizeof(rtpstream_tapinfo_t));
    tapinfo_.tap_reset = tapReset;
    tapinfo_.tap_draw = tapDraw;
    tapinfo_.tap_mark_packet = tapMarkPacket;
    tapinfo_.tap_data = this;
    tapinfo_.mode = TAP_ANALYSE;

    register_tap_listener_rtp_stream(&tapinfo_, NULL);
    /* Scan for RTP streams (redissect all packets) */
    rtpstream_scan(&tapinfo_, cf.capFile(), NULL);

    updateWidgets();
}

RtpStreamDialog::~RtpStreamDialog()
{
    delete ui;
    remove_tap_listener_rtp_stream(&tapinfo_);
}

bool RtpStreamDialog::eventFilter(QObject *, QEvent *event)
{
    if (ui->streamTreeWidget->hasFocus() && event->type() == QEvent::KeyPress) {
        QKeyEvent &keyEvent = static_cast<QKeyEvent&>(*event);
        switch(keyEvent.key()) {
        case Qt::Key_G:
            on_actionGoToSetup_triggered();
            return true;
        case Qt::Key_M:
            on_actionMarkPackets_triggered();
            return true;
        case Qt::Key_P:
            on_actionPrepareFilter_triggered();
            return true;
        case Qt::Key_R:
            on_actionFindReverse_triggered();
            return true;
        case Qt::Key_A:
            // XXX "Shift+Ctrl+A" is a fairly standard shortcut for "select none".
            // However, the main window uses this for displaying the profile dialog.
//            if (keyEvent.modifiers() == (Qt::ControlModifier | Qt::ShiftModifier))
//                on_actionSelectNone_triggered();
//            return true;
            break;
        default:
            break;
        }
    }
    return false;
}

void RtpStreamDialog::tapReset(rtpstream_tapinfo_t *tapinfo)
{
    RtpStreamDialog *rtp_stream_dialog = dynamic_cast<RtpStreamDialog *>((RtpStreamDialog *)tapinfo->tap_data);
    if (rtp_stream_dialog) {
        /* invalidate items which refer to old strinfo_list items. */
        rtp_stream_dialog->ui->streamTreeWidget->clear();
    }
}

void RtpStreamDialog::tapDraw(rtpstream_tapinfo_t *tapinfo)
{
    RtpStreamDialog *rtp_stream_dialog = dynamic_cast<RtpStreamDialog *>((RtpStreamDialog *)tapinfo->tap_data);
    if (rtp_stream_dialog) {
        rtp_stream_dialog->updateStreams();
    }
}

void RtpStreamDialog::tapMarkPacket(rtpstream_tapinfo_t *tapinfo, frame_data *fd)
{
    if (!tapinfo) return;

    RtpStreamDialog *rtp_stream_dialog = dynamic_cast<RtpStreamDialog *>((RtpStreamDialog *)tapinfo->tap_data);
    if (rtp_stream_dialog) {
        cf_mark_frame(rtp_stream_dialog->cap_file_.capFile(), fd);
        rtp_stream_dialog->need_redraw_ = true;
    }
}

void RtpStreamDialog::updateStreams()
{
    GList *cur_stream = g_list_nth(tapinfo_.strinfo_list, ui->streamTreeWidget->topLevelItemCount());

    // Add any missing items
    while (cur_stream && cur_stream->data) {
        rtp_stream_info_t *stream_info = (rtp_stream_info_t*) cur_stream->data;
        new RtpStreamTreeWidgetItem(ui->streamTreeWidget, stream_info);
        cur_stream = g_list_next(cur_stream);
    }

    // Recalculate values
    QTreeWidgetItemIterator iter(ui->streamTreeWidget);
    while (*iter) {
        RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(*iter);
        rsti->drawData();
        ++iter;
    }

    // Resize columns
    for (int i = 0; i < ui->streamTreeWidget->columnCount(); i++) {
        ui->streamTreeWidget->resizeColumnToContents(i);
    }

    ui->streamTreeWidget->setSortingEnabled(true);

    updateWidgets();

    if (need_redraw_) {
        emit packetsMarked();
        need_redraw_ = false;
    }
}

void RtpStreamDialog::updateWidgets()
{
    bool selected = ui->streamTreeWidget->selectedItems().count() > 0;

    QString hint = "<small><i>";
    hint += tr("%1 streams").arg(ui->streamTreeWidget->topLevelItemCount());

    if (selected) {
        int tot_packets = 0;
        foreach(QTreeWidgetItem *ti, ui->streamTreeWidget->selectedItems()) {
            RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
            if (rsti->streamInfo()) {
                tot_packets += rsti->streamInfo()->packet_count;
            }
        }
        hint += tr(", %1 selected, %2 total packets")
                .arg(ui->streamTreeWidget->selectedItems().count())
                .arg(tot_packets);
    }

    hint += ". Right-click for more options.";
    hint += "</i></small>";
    ui->hintLabel->setText(hint);

    bool enable = selected && !file_closed_;
    bool has_data = ui->streamTreeWidget->topLevelItemCount() > 0;

    find_reverse_button_->setEnabled(enable);
    prepare_button_->setEnabled(enable);
    export_button_->setEnabled(enable);
    copy_button_->setEnabled(has_data);
    analyze_button_->setEnabled(selected);

    ui->actionFindReverse->setEnabled(enable);
    ui->actionGoToSetup->setEnabled(enable);
    ui->actionMarkPackets->setEnabled(enable);
    ui->actionPrepareFilter->setEnabled(enable);
    ui->actionExportAsRtpDump->setEnabled(enable);
    ui->actionCopyAsCsv->setEnabled(has_data);
    ui->actionCopyAsYaml->setEnabled(has_data);
    ui->actionAnalyze->setEnabled(selected);

    WiresharkDialog::updateWidgets();
}

QList<QVariant> RtpStreamDialog::streamRowData(int row) const
{
    QList<QVariant> row_data;

    if (row >= ui->streamTreeWidget->topLevelItemCount()) {
        return row_data;
    }

    for (int col = 0; col < ui->streamTreeWidget->columnCount(); col++) {
        if (row < 0) {
            row_data << ui->streamTreeWidget->headerItem()->text(col);
        } else {
            RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ui->streamTreeWidget->topLevelItem(row));
            if (rsti) {
                row_data << rsti->colData(col);
            }
        }
    }
    return row_data;
}

void RtpStreamDialog::captureFileClosing()
{
    remove_tap_listener_rtp_stream(&tapinfo_);
    WiresharkDialog::captureFileClosing();
}

void RtpStreamDialog::showStreamMenu(QPoint pos)
{
    ctx_menu_.popup(ui->streamTreeWidget->viewport()->mapToGlobal(pos));
}

void RtpStreamDialog::on_actionAnalyze_triggered()
{
    rtp_stream_info_t *stream_a, *stream_b = NULL;

    QTreeWidgetItem *ti = ui->streamTreeWidget->selectedItems()[0];
    RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
    stream_a = rsti->streamInfo();
    if (ui->streamTreeWidget->selectedItems().count() > 1) {
        ti = ui->streamTreeWidget->selectedItems()[1];
        rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
        stream_b = rsti->streamInfo();
    }

    if (stream_a == NULL && stream_b == NULL) return;

    RtpAnalysisDialog *rtp_analysis_dialog = new RtpAnalysisDialog(*this, cap_file_, stream_a, stream_b);
    connect(rtp_analysis_dialog, SIGNAL(goToPacket(int)), this, SIGNAL(goToPacket(int)));
    rtp_analysis_dialog->show();
}

void RtpStreamDialog::on_actionCopyAsCsv_triggered()
{
    QString csv;
    QTextStream stream(&csv, QIODevice::Text);
    for (int row = -1; row < ui->streamTreeWidget->topLevelItemCount(); row++) {
        QStringList rdsl;
        foreach (QVariant v, streamRowData(row)) {
            if (!v.isValid()) {
                rdsl << "\"\"";
            } else if (v.type() == QVariant::String) {
                rdsl << QString("\"%1\"").arg(v.toString());
            } else {
                rdsl << v.toString();
            }
        }
        stream << rdsl.join(",") << endl;
    }
    wsApp->clipboard()->setText(stream.readAll());
}

void RtpStreamDialog::on_actionCopyAsYaml_triggered()
{
    QString yaml;
    QTextStream stream(&yaml, QIODevice::Text);
    stream << "---" << endl;
    for (int row = -1; row < ui->streamTreeWidget->topLevelItemCount(); row ++) {
        stream << "-" << endl;
        foreach (QVariant v, streamRowData(row)) {
            stream << " - " << v.toString() << endl;
        }
    }
    wsApp->clipboard()->setText(stream.readAll());
}

void RtpStreamDialog::on_actionExportAsRtpDump_triggered()
{
    if (file_closed_ || ui->streamTreeWidget->selectedItems().count() < 1) return;

    // XXX If the user selected multiple frames is this the one we actually want?
    QTreeWidgetItem *ti = ui->streamTreeWidget->selectedItems()[0];
    RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
    rtp_stream_info_t *stream_info = rsti->streamInfo();
    if (stream_info) {
        QString file_name;
        QDir path(wsApp->lastOpenDir());
        QString save_file = path.canonicalPath() + "/" + cap_file_.fileTitle();
        QString extension;
        file_name = QFileDialog::getSaveFileName(this, wsApp->windowTitleString(tr("Save RTPDump As" UTF8_HORIZONTAL_ELLIPSIS)),
                                                 save_file, "RTPDump Format (*.rtpdump)", &extension);

        if (file_name.length() > 0) {
            gchar *dest_file = qstring_strdup(file_name);
            gboolean save_ok = rtpstream_save(&tapinfo_, cap_file_.capFile(), stream_info, dest_file);
            g_free(dest_file);
            // else error dialog?
            if (save_ok) {
                path = QDir(file_name);
                wsApp->setLastOpenDir(path.canonicalPath().toUtf8().constData());
            }
        }

    }
}

void RtpStreamDialog::on_actionFindReverse_triggered()
{
    if (ui->streamTreeWidget->selectedItems().count() < 1) return;

    // Gather up our selected streams...
    QList<rtp_stream_info_t *> selected_streams;
    foreach(QTreeWidgetItem *ti, ui->streamTreeWidget->selectedItems()) {
        RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
        rtp_stream_info_t *stream_info = rsti->streamInfo();
        if (stream_info) {
            selected_streams << stream_info;
        }
    }

    // ...and compare them to our unselected streams.
    QTreeWidgetItemIterator iter(ui->streamTreeWidget, QTreeWidgetItemIterator::Unselected);
    while (*iter) {
        RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(*iter);
        rtp_stream_info_t *stream_info = rsti->streamInfo();
        if (stream_info) {
            foreach (rtp_stream_info_t *fwd_stream, selected_streams) {
                if (rtp_stream_info_is_reverse(fwd_stream, stream_info)) {
                    (*iter)->setSelected(true);
                }
            }
        }
        ++iter;
    }
}

void RtpStreamDialog::on_actionGoToSetup_triggered()
{
    if (ui->streamTreeWidget->selectedItems().count() < 1) return;
    // XXX If the user selected multiple frames is this the one we actually want?
    QTreeWidgetItem *ti = ui->streamTreeWidget->selectedItems()[0];
    RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
    rtp_stream_info_t *stream_info = rsti->streamInfo();
    if (stream_info) {
        emit goToPacket(stream_info->setup_frame_number);
    }
}

void RtpStreamDialog::on_actionMarkPackets_triggered()
{
    if (ui->streamTreeWidget->selectedItems().count() < 1) return;
    rtp_stream_info_t *stream_a, *stream_b = NULL;

    QTreeWidgetItem *ti = ui->streamTreeWidget->selectedItems()[0];
    RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
    stream_a = rsti->streamInfo();
    if (ui->streamTreeWidget->selectedItems().count() > 1) {
        ti = ui->streamTreeWidget->selectedItems()[1];
        rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
        stream_b = rsti->streamInfo();
    }

    if (stream_a == NULL && stream_b == NULL) return;

    // XXX Mark the setup frame as well?
    need_redraw_ = false;
    rtpstream_mark(&tapinfo_, cap_file_.capFile(), stream_a, stream_b);
    updateWidgets();
}

void RtpStreamDialog::on_actionPrepareFilter_triggered()
{
    if (ui->streamTreeWidget->selectedItems().count() < 1) return;

    // Gather up our selected streams...
    QStringList stream_filters;
    foreach(QTreeWidgetItem *ti, ui->streamTreeWidget->selectedItems()) {
        RtpStreamTreeWidgetItem *rsti = static_cast<RtpStreamTreeWidgetItem*>(ti);
        rtp_stream_info_t *stream_info = rsti->streamInfo();
        if (stream_info) {
            QString ip_proto = stream_info->src_addr.type == AT_IPv6 ? "ipv6" : "ip";
            stream_filters << QString("(%1.src==%2 && udp.srcport==%3 && %1.dst==%4 && udp.dstport==%5 && rtp.ssrc==0x%6)")
                             .arg(ip_proto) // %1
                             .arg(address_to_qstring(&stream_info->src_addr)) // %2
                             .arg(stream_info->src_port) // %3
                             .arg(address_to_qstring(&stream_info->dest_addr)) // %4
                             .arg(stream_info->dest_port) // %5
                             .arg(stream_info->ssrc, 0, 16);
        }
    }
    if (stream_filters.length() > 0) {
        QString filter = stream_filters.join(" || ");
        remove_tap_listener_rtp_stream(&tapinfo_);
        emit updateFilter(filter);
    }
}

void RtpStreamDialog::on_actionSelectNone_triggered()
{
    ui->streamTreeWidget->clearSelection();
}

void RtpStreamDialog::on_streamTreeWidget_itemSelectionChanged()
{
    updateWidgets();
}

void RtpStreamDialog::on_buttonBox_clicked(QAbstractButton *button)
{
    if (button == find_reverse_button_) {
        on_actionFindReverse_triggered();
    } else if (button == prepare_button_) {
        on_actionPrepareFilter_triggered();
    } else if (button == export_button_) {
        on_actionExportAsRtpDump_triggered();
    } else if (button == analyze_button_) {
        on_actionAnalyze_triggered();
    }
}

void RtpStreamDialog::on_buttonBox_helpRequested()
{
    wsApp->helpTopicAction(HELP_RTP_ANALYSIS_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:
 */