forked from osmocom/wireshark
0f86319543
follow_stream_dialog.cpp:591:29: warning: code will never be executed [-Wunreachable-code]
1284 lines
42 KiB
C++
1284 lines
42 KiB
C++
/* follow_stream_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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "follow_stream_dialog.h"
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#include <ui_follow_stream_dialog.h>
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#include "main_window.h"
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#include "wireshark_application.h"
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#include "frame_tvbuff.h"
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#include "epan/follow.h"
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#include "epan/dissectors/packet-tcp.h"
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#include "epan/dissectors/packet-udp.h"
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#include "epan/dissectors/packet-dccp.h"
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#include "epan/dissectors/packet-http2.h"
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#include "epan/dissectors/packet-quic.h"
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#include "epan/prefs.h"
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#include "epan/addr_resolv.h"
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#include "epan/charsets.h"
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#include "epan/epan_dissect.h"
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#include "epan/tap.h"
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#include "ui/alert_box.h"
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#include "ui/simple_dialog.h"
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#include <wsutil/utf8_entities.h>
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#include <wsutil/ws_assert.h>
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#include "wsutil/file_util.h"
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#include "wsutil/str_util.h"
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#include "ui/version_info.h"
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#include "ws_symbol_export.h"
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#include <ui/qt/utils/color_utils.h>
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#include <ui/qt/utils/qt_ui_utils.h>
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#include "progress_frame.h"
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#include "ui/qt/widgets/wireshark_file_dialog.h"
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#include <QElapsedTimer>
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#include <QKeyEvent>
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#include <QMessageBox>
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#include <QMutex>
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#include <QPrintDialog>
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#include <QPrinter>
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#include <QScrollBar>
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#include <QTextCodec>
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// To do:
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// - Show text while tapping.
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// - Instead of calling QMessageBox, display the error message in the text
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// box and disable the appropriate controls.
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// - Add a progress bar and connect captureCaptureUpdateContinue to it
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// - User's Guide documents the "Raw" type as "same as ASCII, but saving binary
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// data". However it currently displays hex-encoded data.
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// Matches SplashOverlay.
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static int info_update_freq_ = 100;
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// Handle the loop breaking notification properly
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static QMutex loop_break_mutex;
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// Indicates that a Follow Stream is currently running
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static gboolean isReadRunning;
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FollowStreamDialog::FollowStreamDialog(QWidget &parent, CaptureFile &cf, follow_type_t type) :
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WiresharkDialog(parent, cf),
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ui(new Ui::FollowStreamDialog),
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b_find_(NULL),
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follow_type_(type),
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follower_(NULL),
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show_type_(SHOW_ASCII),
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truncated_(false),
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client_buffer_count_(0),
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server_buffer_count_(0),
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client_packet_count_(0),
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server_packet_count_(0),
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last_packet_(0),
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last_from_server_(0),
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turns_(0),
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use_regex_find_(false),
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terminating_(false),
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previous_sub_stream_num_(0)
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{
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ui->setupUi(this);
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loadGeometry(parent.width() * 2 / 3, parent.height());
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switch(type)
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{
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case FOLLOW_TCP:
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follower_ = get_follow_by_name("TCP");
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break;
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case FOLLOW_TLS:
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follower_ = get_follow_by_name("TLS");
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break;
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case FOLLOW_UDP:
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follower_ = get_follow_by_name("UDP");
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break;
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case FOLLOW_DCCP:
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follower_ = get_follow_by_name("DCCP");
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break;
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case FOLLOW_HTTP:
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follower_ = get_follow_by_name("HTTP");
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break;
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case FOLLOW_HTTP2:
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follower_ = get_follow_by_name("HTTP2");
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break;
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case FOLLOW_QUIC:
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follower_ = get_follow_by_name("QUIC");
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break;
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case FOLLOW_SIP:
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follower_ = get_follow_by_name("SIP");
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break;
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default :
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ws_assert_not_reached();
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}
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memset(&follow_info_, 0, sizeof(follow_info_));
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follow_info_.show_stream = BOTH_HOSTS;
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follow_info_.substream_id = SUBSTREAM_UNUSED;
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ui->teStreamContent->installEventFilter(this);
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connect(ui->leFind, SIGNAL(useRegexFind(bool)), this, SLOT(useRegexFind(bool)));
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QComboBox *cbcs = ui->cbCharset;
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cbcs->blockSignals(true);
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cbcs->addItem(tr("ASCII"), SHOW_ASCII);
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cbcs->addItem(tr("C Arrays"), SHOW_CARRAY);
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cbcs->addItem(tr("EBCDIC"), SHOW_EBCDIC);
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cbcs->addItem(tr("Hex Dump"), SHOW_HEXDUMP);
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cbcs->addItem(tr("Raw"), SHOW_RAW);
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// UTF-8 is guaranteed to exist as a QTextCodec
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cbcs->addItem(tr("UTF-8"), SHOW_CODEC);
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cbcs->addItem(tr("YAML"), SHOW_YAML);
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cbcs->blockSignals(false);
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b_filter_out_ = ui->buttonBox->addButton(tr("Filter Out This Stream"), QDialogButtonBox::ActionRole);
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connect(b_filter_out_, SIGNAL(clicked()), this, SLOT(filterOut()));
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b_print_ = ui->buttonBox->addButton(tr("Print"), QDialogButtonBox::ActionRole);
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connect(b_print_, SIGNAL(clicked()), this, SLOT(printStream()));
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b_save_ = ui->buttonBox->addButton(tr("Save as…"), QDialogButtonBox::ActionRole);
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connect(b_save_, SIGNAL(clicked()), this, SLOT(saveAs()));
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b_back_ = ui->buttonBox->addButton(tr("Back"), QDialogButtonBox::ActionRole);
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connect(b_back_, SIGNAL(clicked()), this, SLOT(backButton()));
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ProgressFrame::addToButtonBox(ui->buttonBox, &parent);
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connect(ui->buttonBox, SIGNAL(helpRequested()), this, SLOT(helpButton()));
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connect(ui->teStreamContent, SIGNAL(mouseMovedToTextCursorPosition(int)),
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this, SLOT(fillHintLabel(int)));
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connect(ui->teStreamContent, SIGNAL(mouseClickedOnTextCursorPosition(int)),
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this, SLOT(goToPacketForTextPos(int)));
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fillHintLabel(-1);
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}
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FollowStreamDialog::~FollowStreamDialog()
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{
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delete ui;
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resetStream(); // Frees payload
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}
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void FollowStreamDialog::addCodecs(const QMap<QString, QTextCodec *> &codecMap)
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{
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// Make the combobox respect max visible items?
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//ui->cbCharset->setStyleSheet("QComboBox { combobox-popup: 0;}");
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ui->cbCharset->insertSeparator(ui->cbCharset->count());
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#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
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for (const auto &codec : qAsConst(codecMap)) {
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#else
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foreach (const QTextCodec *codec, codecMap) {
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#endif
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// This is already in the menu and handled separately
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if (codec->name() != "US-ASCII" && codec->name() != "UTF-8")
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ui->cbCharset->addItem(tr(codec->name()), SHOW_CODEC);
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}
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}
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void FollowStreamDialog::printStream()
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{
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#ifndef QT_NO_PRINTER
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QPrinter printer(QPrinter::HighResolution);
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QPrintDialog dialog(&printer, this);
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if (dialog.exec() == QDialog::Accepted)
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ui->teStreamContent->print(&printer);
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#endif
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}
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void FollowStreamDialog::fillHintLabel(int text_pos)
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{
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QString hint;
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int pkt = -1;
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if (text_pos >= 0) {
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QMap<int, guint32>::iterator it = text_pos_to_packet_.upperBound(text_pos);
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if (it != text_pos_to_packet_.end()) {
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pkt = it.value();
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}
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}
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if (pkt > 0) {
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hint = QString(tr("Packet %1. ")).arg(pkt);
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}
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hint += tr("%Ln <span style=\"color: %1; background-color:%2\">client</span> pkt(s), ", "", client_packet_count_)
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.arg(ColorUtils::fromColorT(prefs.st_client_fg).name())
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.arg(ColorUtils::fromColorT(prefs.st_client_bg).name())
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+ tr("%Ln <span style=\"color: %1; background-color:%2\">server</span> pkt(s), ", "", server_packet_count_)
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.arg(ColorUtils::fromColorT(prefs.st_server_fg).name())
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.arg(ColorUtils::fromColorT(prefs.st_server_bg).name())
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+ tr("%Ln turn(s).", "", turns_);
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if (pkt > 0) {
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hint.append(QString(tr(" Click to select.")));
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}
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hint.prepend("<small><i>");
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hint.append("</i></small>");
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ui->hintLabel->setText(hint);
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}
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void FollowStreamDialog::goToPacketForTextPos(int text_pos)
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{
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int pkt = -1;
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if (file_closed_) {
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return;
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}
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if (text_pos >= 0) {
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QMap<int, guint32>::iterator it = text_pos_to_packet_.upperBound(text_pos);
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if (it != text_pos_to_packet_.end()) {
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pkt = it.value();
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}
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}
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if (pkt > 0) {
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emit goToPacket(pkt);
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}
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}
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void FollowStreamDialog::updateWidgets(bool follow_in_progress)
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{
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bool enable = !follow_in_progress;
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if (file_closed_) {
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ui->teStreamContent->setEnabled(true);
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enable = false;
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}
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ui->cbDirections->setEnabled(enable);
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ui->cbCharset->setEnabled(enable);
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ui->streamNumberSpinBox->setEnabled(enable);
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if (follow_type_ == FOLLOW_HTTP2 || follow_type_ == FOLLOW_QUIC) {
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ui->subStreamNumberSpinBox->setEnabled(enable);
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}
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ui->leFind->setEnabled(enable);
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ui->bFind->setEnabled(enable);
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b_filter_out_->setEnabled(enable);
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b_print_->setEnabled(enable);
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b_save_->setEnabled(enable);
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WiresharkDialog::updateWidgets();
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}
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void FollowStreamDialog::useRegexFind(bool use_regex)
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{
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use_regex_find_ = use_regex;
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if (use_regex_find_)
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ui->lFind->setText(tr("Regex Find:"));
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else
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ui->lFind->setText(tr("Find:"));
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}
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void FollowStreamDialog::findText(bool go_back)
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{
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if (ui->leFind->text().isEmpty()) return;
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bool found;
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if (use_regex_find_) {
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 13, 0))
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QRegularExpression regex(ui->leFind->text(), QRegularExpression::UseUnicodePropertiesOption);
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#else
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QRegExp regex(ui->leFind->text());
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#endif
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found = ui->teStreamContent->find(regex);
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} else {
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found = ui->teStreamContent->find(ui->leFind->text());
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}
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if (found) {
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ui->teStreamContent->setFocus();
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} else if (go_back) {
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ui->teStreamContent->moveCursor(QTextCursor::Start);
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findText(false);
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}
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}
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void FollowStreamDialog::saveAs()
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{
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QString file_name = WiresharkFileDialog::getSaveFileName(this, wsApp->windowTitleString(tr("Save Stream Content As…")));
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if (file_name.isEmpty()) {
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return;
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}
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QFile file(file_name);
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if (!file.open(QIODevice::WriteOnly)) {
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open_failure_alert_box(file_name.toUtf8().constData(), errno, TRUE);
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return;
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}
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// Unconditionally save data as UTF-8 (even if data is decoded otherwise).
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QByteArray bytes = ui->teStreamContent->toPlainText().toUtf8();
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if (show_type_ == SHOW_RAW) {
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// The "Raw" format is currently displayed as hex data and needs to be
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// converted to binary data.
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bytes = QByteArray::fromHex(bytes);
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}
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QDataStream out(&file);
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out.writeRawData(bytes.constData(), bytes.size());
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}
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void FollowStreamDialog::helpButton()
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{
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wsApp->helpTopicAction(HELP_FOLLOW_STREAM_DIALOG);
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}
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void FollowStreamDialog::backButton()
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{
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if (terminating_)
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return;
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output_filter_ = previous_filter_;
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close();
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}
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void FollowStreamDialog::filterOut()
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{
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if (terminating_)
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return;
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output_filter_ = filter_out_filter_;
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close();
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}
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void FollowStreamDialog::close()
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{
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terminating_ = true;
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// Update filter - Use:
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// previous_filter if 'Close' (passed in follow() method)
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// filter_out_filter_ if 'Filter Out This Stream' (built by appending !current_stream to previous_filter)
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// leave filter alone if window closed. (current stream)
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emit updateFilter(output_filter_, TRUE);
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WiresharkDialog::close();
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}
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void FollowStreamDialog::on_cbDirections_currentIndexChanged(int idx)
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{
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switch(idx)
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{
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case 0 :
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follow_info_.show_stream = BOTH_HOSTS;
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break;
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case 1 :
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follow_info_.show_stream = FROM_SERVER;
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break;
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case 2 :
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follow_info_.show_stream = FROM_CLIENT;
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break;
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default:
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return;
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}
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readStream();
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}
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void FollowStreamDialog::on_cbCharset_currentIndexChanged(int idx)
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{
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if (idx < 0) return;
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show_type_ = static_cast<show_type_t>(ui->cbCharset->itemData(idx).toInt());
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readStream();
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}
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void FollowStreamDialog::on_bFind_clicked()
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{
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findText();
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}
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void FollowStreamDialog::on_leFind_returnPressed()
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{
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findText();
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}
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void FollowStreamDialog::on_streamNumberSpinBox_valueChanged(int stream_num)
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{
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if (file_closed_) return;
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int sub_stream_num = 0;
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ui->subStreamNumberSpinBox->blockSignals(true);
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sub_stream_num = ui->subStreamNumberSpinBox->value();
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ui->subStreamNumberSpinBox->blockSignals(false);
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gboolean ok;
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if (ui->subStreamNumberSpinBox->isVisible()) {
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/* We need to find a suitable sub stream for the new stream */
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guint sub_stream_num_new = static_cast<guint>(sub_stream_num);
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if (sub_stream_num < 0) {
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// Stream ID 0 should always exist as it is used for control messages.
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sub_stream_num_new = 0;
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ok = TRUE;
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} else if (follow_type_ == FOLLOW_HTTP2) {
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ok = http2_get_stream_id_ge(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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if (!ok) {
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ok = http2_get_stream_id_le(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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}
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} else if (follow_type_ == FOLLOW_QUIC) {
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ok = quic_get_stream_id_ge(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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if (!ok) {
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ok = quic_get_stream_id_le(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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}
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} else {
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// Should not happen, this field is only visible for suitable protocols.
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return;
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}
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sub_stream_num = static_cast<gint>(sub_stream_num_new);
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} else {
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ok = true;
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}
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if (stream_num >= 0 && ok) {
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follow(previous_filter_, true, stream_num, sub_stream_num);
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previous_sub_stream_num_ = sub_stream_num;
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}
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}
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void FollowStreamDialog::on_subStreamNumberSpinBox_valueChanged(int sub_stream_num)
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{
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if (file_closed_) return;
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int stream_num = 0;
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ui->streamNumberSpinBox->blockSignals(true);
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stream_num = ui->streamNumberSpinBox->value();
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ui->streamNumberSpinBox->blockSignals(false);
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guint sub_stream_num_new = static_cast<guint>(sub_stream_num);
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gboolean ok;
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/* previous_sub_stream_num_ is a hack to track which buttons was pressed without event handling */
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if (sub_stream_num < 0) {
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// Stream ID 0 should always exist as it is used for control messages.
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sub_stream_num_new = 0;
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ok = TRUE;
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} else if (follow_type_ == FOLLOW_HTTP2) {
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if (previous_sub_stream_num_ < sub_stream_num) {
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ok = http2_get_stream_id_ge(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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} else {
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ok = http2_get_stream_id_le(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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}
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} else if (follow_type_ == FOLLOW_QUIC) {
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if (previous_sub_stream_num_ < sub_stream_num) {
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ok = quic_get_stream_id_ge(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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} else {
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ok = quic_get_stream_id_le(static_cast<guint>(stream_num), sub_stream_num_new, &sub_stream_num_new);
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}
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} else {
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// Should not happen, this field is only visible for suitable protocols.
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return;
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}
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sub_stream_num = static_cast<gint>(sub_stream_num_new);
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if (ok) {
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follow(previous_filter_, true, stream_num, sub_stream_num);
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previous_sub_stream_num_ = sub_stream_num;
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}
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}
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void FollowStreamDialog::on_buttonBox_rejected()
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{
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// Ignore the close button if FollowStreamDialog::close() is running.
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if (terminating_)
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return;
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WiresharkDialog::reject();
|
|
}
|
|
|
|
void FollowStreamDialog::removeStreamControls()
|
|
{
|
|
ui->horizontalLayout->removeItem(ui->streamNumberSpacer);
|
|
ui->streamNumberLabel->setVisible(false);
|
|
ui->streamNumberSpinBox->setVisible(false);
|
|
ui->subStreamNumberLabel->setVisible(false);
|
|
ui->subStreamNumberSpinBox->setVisible(false);
|
|
}
|
|
|
|
void FollowStreamDialog::resetStream()
|
|
{
|
|
GList *cur;
|
|
follow_record_t *follow_record;
|
|
|
|
filter_out_filter_.clear();
|
|
text_pos_to_packet_.clear();
|
|
if (!data_out_filename_.isEmpty()) {
|
|
ws_unlink(data_out_filename_.toUtf8().constData());
|
|
}
|
|
for (cur = follow_info_.payload; cur; cur = gxx_list_next(cur)) {
|
|
follow_record = gxx_list_data(follow_record_t *, cur);
|
|
if (follow_record->data) {
|
|
g_byte_array_free(follow_record->data, TRUE);
|
|
}
|
|
g_free(follow_record);
|
|
}
|
|
g_list_free(follow_info_.payload);
|
|
|
|
//Only TCP stream uses fragments
|
|
if (follow_type_ == FOLLOW_TCP) {
|
|
for (cur = follow_info_.fragments[0]; cur; cur = gxx_list_next(cur)) {
|
|
follow_record = gxx_list_data(follow_record_t *, cur);
|
|
if (follow_record->data) {
|
|
g_byte_array_free(follow_record->data, TRUE);
|
|
}
|
|
g_free(follow_record);
|
|
}
|
|
follow_info_.fragments[0] = Q_NULLPTR;
|
|
for (cur = follow_info_.fragments[1]; cur; cur = gxx_list_next(cur)) {
|
|
follow_record = gxx_list_data(follow_record_t *, cur);
|
|
if (follow_record->data) {
|
|
g_byte_array_free(follow_record->data, TRUE);
|
|
}
|
|
g_free(follow_record);
|
|
}
|
|
follow_info_.fragments[1] = Q_NULLPTR;
|
|
}
|
|
|
|
free_address(&follow_info_.client_ip);
|
|
free_address(&follow_info_.server_ip);
|
|
follow_info_.payload = Q_NULLPTR;
|
|
follow_info_.client_port = 0;
|
|
}
|
|
|
|
frs_return_t
|
|
FollowStreamDialog::readStream()
|
|
{
|
|
|
|
// interrupt any reading already running
|
|
loop_break_mutex.lock();
|
|
isReadRunning = FALSE;
|
|
loop_break_mutex.unlock();
|
|
|
|
ui->teStreamContent->clear();
|
|
text_pos_to_packet_.clear();
|
|
|
|
truncated_ = false;
|
|
frs_return_t ret;
|
|
|
|
client_buffer_count_ = 0;
|
|
server_buffer_count_ = 0;
|
|
client_packet_count_ = 0;
|
|
server_packet_count_ = 0;
|
|
last_packet_ = 0;
|
|
turns_ = 0;
|
|
|
|
switch(follow_type_) {
|
|
|
|
case FOLLOW_TCP :
|
|
case FOLLOW_UDP :
|
|
case FOLLOW_DCCP :
|
|
case FOLLOW_HTTP :
|
|
case FOLLOW_HTTP2:
|
|
case FOLLOW_QUIC:
|
|
case FOLLOW_TLS :
|
|
case FOLLOW_SIP :
|
|
ret = readFollowStream();
|
|
break;
|
|
|
|
default :
|
|
ret = (frs_return_t)0;
|
|
ws_assert_not_reached();
|
|
break;
|
|
}
|
|
|
|
ui->teStreamContent->moveCursor(QTextCursor::Start);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
FollowStreamDialog::followStream()
|
|
{
|
|
readStream();
|
|
}
|
|
|
|
const int FollowStreamDialog::max_document_length_ = 500 * 1000 * 1000; // Just a guess
|
|
void FollowStreamDialog::addText(QString text, gboolean is_from_server, guint32 packet_num, gboolean colorize)
|
|
{
|
|
if (truncated_) {
|
|
return;
|
|
}
|
|
|
|
int char_count = ui->teStreamContent->document()->characterCount();
|
|
if (char_count + text.length() > max_document_length_) {
|
|
text.truncate(max_document_length_ - char_count);
|
|
truncated_ = true;
|
|
}
|
|
|
|
setUpdatesEnabled(false);
|
|
int cur_pos = ui->teStreamContent->verticalScrollBar()->value();
|
|
ui->teStreamContent->moveCursor(QTextCursor::End);
|
|
|
|
QTextCharFormat tcf = ui->teStreamContent->currentCharFormat();
|
|
if (!colorize) {
|
|
tcf.setBackground(palette().window().color());
|
|
tcf.setForeground(palette().windowText().color());
|
|
} else if (is_from_server) {
|
|
tcf.setForeground(ColorUtils::fromColorT(prefs.st_server_fg));
|
|
tcf.setBackground(ColorUtils::fromColorT(prefs.st_server_bg));
|
|
} else {
|
|
tcf.setForeground(ColorUtils::fromColorT(prefs.st_client_fg));
|
|
tcf.setBackground(ColorUtils::fromColorT(prefs.st_client_bg));
|
|
}
|
|
ui->teStreamContent->setCurrentCharFormat(tcf);
|
|
|
|
ui->teStreamContent->insertPlainText(text);
|
|
text_pos_to_packet_[ui->teStreamContent->textCursor().anchor()] = packet_num;
|
|
|
|
if (truncated_) {
|
|
tcf = ui->teStreamContent->currentCharFormat();
|
|
tcf.setBackground(palette().window().color());
|
|
tcf.setForeground(palette().windowText().color());
|
|
ui->teStreamContent->insertPlainText("\n" + tr("[Stream output truncated]"));
|
|
ui->teStreamContent->moveCursor(QTextCursor::End);
|
|
} else {
|
|
ui->teStreamContent->verticalScrollBar()->setValue(cur_pos);
|
|
}
|
|
setUpdatesEnabled(true);
|
|
}
|
|
|
|
// The following keyboard shortcuts should work (although
|
|
// they may not work consistently depending on focus):
|
|
// / (slash), Ctrl-F - Focus and highlight the search box
|
|
// Ctrl-G, Ctrl-N, F3 - Find next
|
|
// Should we make it so that typing any text starts searching?
|
|
bool FollowStreamDialog::eventFilter(QObject *, QEvent *event)
|
|
{
|
|
if (ui->teStreamContent->hasFocus() && event->type() == QEvent::KeyPress) {
|
|
QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
|
|
if (keyEvent->matches(QKeySequence::SelectAll) || keyEvent->matches(QKeySequence::Copy)
|
|
|| keyEvent->text().isEmpty()) {
|
|
return false;
|
|
}
|
|
ui->leFind->setFocus();
|
|
if (keyEvent->matches(QKeySequence::Find)) {
|
|
return true;
|
|
} else if (keyEvent->matches(QKeySequence::FindNext)) {
|
|
findText();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void FollowStreamDialog::keyPressEvent(QKeyEvent *event)
|
|
{
|
|
if (ui->leFind->hasFocus()) {
|
|
if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
|
|
findText();
|
|
return;
|
|
}
|
|
} else {
|
|
if (event->key() == Qt::Key_Slash || event->matches(QKeySequence::Find)) {
|
|
ui->leFind->setFocus();
|
|
ui->leFind->selectAll();
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (event->key() == Qt::Key_F3 || (event->key() == Qt::Key_N && event->modifiers() & Qt::ControlModifier)) {
|
|
findText();
|
|
return;
|
|
}
|
|
|
|
QDialog::keyPressEvent(event);
|
|
}
|
|
|
|
static inline void sanitize_buffer(char *buffer, size_t nchars) {
|
|
for (size_t i = 0; i < nchars; i++) {
|
|
if (buffer[i] == '\n' || buffer[i] == '\r' || buffer[i] == '\t')
|
|
continue;
|
|
if (! g_ascii_isprint((guchar)buffer[i])) {
|
|
buffer[i] = '.';
|
|
}
|
|
}
|
|
}
|
|
|
|
frs_return_t
|
|
FollowStreamDialog::showBuffer(char *buffer, size_t nchars, gboolean is_from_server, guint32 packet_num,
|
|
nstime_t abs_ts, guint32 *global_pos)
|
|
{
|
|
gchar initbuf[256];
|
|
guint32 current_pos;
|
|
static const gchar hexchars[16] = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
|
|
|
|
switch (show_type_) {
|
|
|
|
case SHOW_EBCDIC:
|
|
{
|
|
/* If our native arch is ASCII, call: */
|
|
EBCDIC_to_ASCII((guint8*)buffer, (guint) nchars);
|
|
sanitize_buffer(buffer, nchars);
|
|
QByteArray ba = QByteArray(buffer, (int)nchars);
|
|
addText(ba, is_from_server, packet_num);
|
|
break;
|
|
}
|
|
|
|
case SHOW_ASCII:
|
|
{
|
|
/* If our native arch is EBCDIC, call:
|
|
* ASCII_TO_EBCDIC(buffer, nchars);
|
|
*/
|
|
sanitize_buffer(buffer, nchars);
|
|
QByteArray ba = QByteArray(buffer, (int)nchars);
|
|
addText(ba, is_from_server, packet_num);
|
|
break;
|
|
}
|
|
|
|
case SHOW_CODEC:
|
|
{
|
|
// This assumes that multibyte characters don't span packets in the
|
|
// stream. To handle that case properly (which might occur with fixed
|
|
// block sizes, e.g. transferring over TFTP, we would need to create
|
|
// two stateful QTextDecoders, one for each direction, presumably in
|
|
// on_cbCharset_currentIndexChanged()
|
|
QTextCodec *codec = QTextCodec::codecForName(ui->cbCharset->currentText().toUtf8());
|
|
QByteArray ba = QByteArray(buffer, (int)nchars);
|
|
QString decoded = codec->toUnicode(ba);
|
|
addText(decoded, is_from_server, packet_num);
|
|
break;
|
|
}
|
|
|
|
case SHOW_HEXDUMP:
|
|
current_pos = 0;
|
|
while (current_pos < nchars) {
|
|
gchar hexbuf[256];
|
|
int i;
|
|
gchar *cur = hexbuf, *ascii_start;
|
|
|
|
/* is_from_server indentation : put 4 spaces at the
|
|
* beginning of the string */
|
|
/* XXX - We might want to prepend each line with "C" or "S" instead. */
|
|
if (is_from_server && follow_info_.show_stream == BOTH_HOSTS) {
|
|
memset(cur, ' ', 4);
|
|
cur += 4;
|
|
}
|
|
cur += snprintf(cur, 20, "%08X ", *global_pos);
|
|
/* 49 is space consumed by hex chars */
|
|
ascii_start = cur + 49 + 2;
|
|
for (i = 0; i < 16 && current_pos + i < nchars; i++) {
|
|
*cur++ =
|
|
hexchars[(buffer[current_pos + i] & 0xf0) >> 4];
|
|
*cur++ =
|
|
hexchars[buffer[current_pos + i] & 0x0f];
|
|
*cur++ = ' ';
|
|
if (i == 7)
|
|
*cur++ = ' ';
|
|
}
|
|
/* Fill it up if column isn't complete */
|
|
while (cur < ascii_start)
|
|
*cur++ = ' ';
|
|
|
|
/* Now dump bytes as text */
|
|
for (i = 0; i < 16 && current_pos + i < nchars; i++) {
|
|
*cur++ =
|
|
(g_ascii_isprint((guchar)buffer[current_pos + i]) ?
|
|
buffer[current_pos + i] : '.');
|
|
if (i == 7) {
|
|
*cur++ = ' ';
|
|
}
|
|
}
|
|
current_pos += i;
|
|
(*global_pos) += i;
|
|
*cur++ = '\n';
|
|
*cur = 0;
|
|
|
|
addText(hexbuf, is_from_server, packet_num);
|
|
}
|
|
break;
|
|
|
|
case SHOW_CARRAY:
|
|
current_pos = 0;
|
|
snprintf(initbuf, sizeof(initbuf), "char peer%d_%d[] = { /* Packet %u */\n",
|
|
is_from_server ? 1 : 0,
|
|
is_from_server ? server_buffer_count_++ : client_buffer_count_++,
|
|
packet_num);
|
|
addText(initbuf, is_from_server, packet_num);
|
|
|
|
while (current_pos < nchars) {
|
|
gchar hexbuf[256];
|
|
int i, cur;
|
|
|
|
cur = 0;
|
|
for (i = 0; i < 8 && current_pos + i < nchars; i++) {
|
|
/* Prepend entries with "0x" */
|
|
hexbuf[cur++] = '0';
|
|
hexbuf[cur++] = 'x';
|
|
hexbuf[cur++] =
|
|
hexchars[(buffer[current_pos + i] & 0xf0) >> 4];
|
|
hexbuf[cur++] =
|
|
hexchars[buffer[current_pos + i] & 0x0f];
|
|
|
|
/* Delimit array entries with a comma */
|
|
if (current_pos + i + 1 < nchars)
|
|
hexbuf[cur++] = ',';
|
|
|
|
hexbuf[cur++] = ' ';
|
|
}
|
|
|
|
/* Terminate the array if we are at the end */
|
|
if (current_pos + i == nchars) {
|
|
hexbuf[cur++] = '}';
|
|
hexbuf[cur++] = ';';
|
|
}
|
|
|
|
current_pos += i;
|
|
(*global_pos) += i;
|
|
hexbuf[cur++] = '\n';
|
|
hexbuf[cur] = 0;
|
|
addText(hexbuf, is_from_server, packet_num);
|
|
}
|
|
break;
|
|
|
|
case SHOW_YAML:
|
|
{
|
|
QString yaml_text;
|
|
|
|
const int base64_raw_len = 57; // Encodes to 76 bytes, common in RFCs
|
|
current_pos = 0;
|
|
|
|
if (last_packet_ == 0) {
|
|
// Header with general info about peers
|
|
const char *hostname0 = address_to_name(&follow_info_.client_ip);
|
|
const char *hostname1 = address_to_name(&follow_info_.server_ip);
|
|
|
|
char *port0 = get_follow_port_to_display(follower_)(NULL, follow_info_.client_port);
|
|
char *port1 = get_follow_port_to_display(follower_)(NULL, follow_info_.server_port);
|
|
|
|
addText("peers:\n", false, 0, false);
|
|
|
|
addText(QString(
|
|
" - peer: 0\n"
|
|
" host: %1\n"
|
|
" port: %2\n")
|
|
.arg(hostname0)
|
|
.arg(port0), false, 0);
|
|
|
|
addText(QString(
|
|
" - peer: 1\n"
|
|
" host: %1\n"
|
|
" port: %2\n")
|
|
.arg(hostname1)
|
|
.arg(port1), true, 0);
|
|
|
|
wmem_free(NULL, port0);
|
|
wmem_free(NULL, port1);
|
|
|
|
addText("packets:\n", false, 0, false);
|
|
}
|
|
|
|
if (packet_num != last_packet_) {
|
|
yaml_text.append(QString(" - packet: %1\n")
|
|
.arg(packet_num));
|
|
yaml_text.append(QString(" peer: %1\n")
|
|
.arg(is_from_server ? 1 : 0));
|
|
yaml_text.append(QString(" index: %1\n")
|
|
.arg(is_from_server ? server_buffer_count_++ : client_buffer_count_++));
|
|
yaml_text.append(QString(" timestamp: %1.%2\n")
|
|
.arg(abs_ts.secs)
|
|
.arg(abs_ts.nsecs, 9, 10, QChar('0')));
|
|
yaml_text.append(QString(" data: !!binary |\n"));
|
|
}
|
|
while (current_pos < nchars) {
|
|
int len = current_pos + base64_raw_len < nchars ? base64_raw_len : (int) nchars - current_pos;
|
|
QByteArray base64_data(&buffer[current_pos], len);
|
|
|
|
yaml_text += " " + base64_data.toBase64() + "\n";
|
|
|
|
current_pos += len;
|
|
(*global_pos) += len;
|
|
}
|
|
addText(yaml_text, is_from_server, packet_num);
|
|
break;
|
|
}
|
|
|
|
case SHOW_RAW:
|
|
{
|
|
QByteArray ba = QByteArray(buffer, (int)nchars).toHex();
|
|
ba += '\n';
|
|
addText(ba, is_from_server, packet_num);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (last_packet_ == 0) {
|
|
last_from_server_ = is_from_server;
|
|
}
|
|
|
|
if (packet_num != last_packet_) {
|
|
last_packet_ = packet_num;
|
|
if (is_from_server) {
|
|
server_packet_count_++;
|
|
} else {
|
|
client_packet_count_++;
|
|
}
|
|
if (last_from_server_ != is_from_server) {
|
|
last_from_server_ = is_from_server;
|
|
turns_++;
|
|
}
|
|
}
|
|
|
|
return FRS_OK;
|
|
}
|
|
|
|
bool FollowStreamDialog::follow(QString previous_filter, bool use_stream_index, guint stream_num, guint sub_stream_num)
|
|
{
|
|
QString follow_filter;
|
|
const char *hostname0 = NULL, *hostname1 = NULL;
|
|
char *port0 = NULL, *port1 = NULL;
|
|
QString server_to_client_string;
|
|
QString client_to_server_string;
|
|
QString both_directions_string;
|
|
gboolean is_follower = FALSE;
|
|
|
|
resetStream();
|
|
|
|
if (file_closed_)
|
|
{
|
|
QMessageBox::warning(this, tr("No capture file."), tr("Please make sure you have a capture file opened."));
|
|
return false;
|
|
}
|
|
|
|
if (cap_file_.capFile()->edt == NULL)
|
|
{
|
|
QMessageBox::warning(this, tr("Error following stream."), tr("Capture file invalid."));
|
|
return false;
|
|
}
|
|
|
|
if (!use_stream_index) {
|
|
is_follower = proto_is_frame_protocol(cap_file_.capFile()->edt->pi.layers, proto_get_protocol_filter_name(get_follow_proto_id(follower_)));
|
|
if (!is_follower) {
|
|
QMessageBox::warning(this, tr("Error following stream."), tr("Please make sure you have a %1 packet selected.").arg
|
|
(proto_get_protocol_short_name(find_protocol_by_id(get_follow_proto_id(follower_)))));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (follow_type_ == FOLLOW_TLS || follow_type_ == FOLLOW_HTTP)
|
|
{
|
|
/* we got tls/http so we can follow */
|
|
removeStreamControls();
|
|
}
|
|
|
|
follow_reset_stream(&follow_info_);
|
|
|
|
/* Create a new filter that matches all packets in the TCP stream,
|
|
and set the display filter entry accordingly */
|
|
if (use_stream_index) {
|
|
follow_filter = gchar_free_to_qstring(get_follow_index_func(follower_)(stream_num, sub_stream_num));
|
|
} else {
|
|
follow_filter = gchar_free_to_qstring(get_follow_conv_func(follower_)(cap_file_.capFile()->edt, &cap_file_.capFile()->edt->pi, &stream_num, &sub_stream_num));
|
|
}
|
|
if (follow_filter.isEmpty()) {
|
|
if (follow_type_ == FOLLOW_QUIC) {
|
|
QMessageBox::warning(this,
|
|
tr("Error creating filter for this stream."),
|
|
tr("QUIC streams not found on the selected packet."));
|
|
} else {
|
|
QMessageBox::warning(this,
|
|
tr("Error creating filter for this stream."),
|
|
tr("A transport or network layer header is needed."));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
previous_filter_ = previous_filter;
|
|
/* append the negation */
|
|
if (!previous_filter.isEmpty()) {
|
|
filter_out_filter_ = QString("%1 and !(%2)")
|
|
.arg(previous_filter).arg(follow_filter);
|
|
}
|
|
else
|
|
{
|
|
filter_out_filter_ = QString("!(%1)").arg(follow_filter);
|
|
}
|
|
|
|
follow_info_.substream_id = sub_stream_num;
|
|
|
|
/* data will be passed via tap callback*/
|
|
if (!registerTapListener(get_follow_tap_string(follower_), &follow_info_,
|
|
follow_filter.toUtf8().constData(),
|
|
0, NULL, get_follow_tap_handler(follower_), NULL)) {
|
|
return false;
|
|
}
|
|
|
|
/* disable substream spin box for all protocols except HTTP2 and QUIC */
|
|
ui->subStreamNumberSpinBox->blockSignals(true);
|
|
ui->subStreamNumberSpinBox->setEnabled(false);
|
|
ui->subStreamNumberSpinBox->setValue(0);
|
|
ui->subStreamNumberSpinBox->setKeyboardTracking(false);
|
|
ui->subStreamNumberSpinBox->blockSignals(false);
|
|
ui->subStreamNumberSpinBox->setVisible(false);
|
|
ui->subStreamNumberLabel->setVisible(false);
|
|
|
|
switch (follow_type_)
|
|
{
|
|
case FOLLOW_TCP:
|
|
{
|
|
int stream_count = get_tcp_stream_count();
|
|
ui->streamNumberSpinBox->blockSignals(true);
|
|
ui->streamNumberSpinBox->setMaximum(stream_count-1);
|
|
ui->streamNumberSpinBox->setValue(stream_num);
|
|
ui->streamNumberSpinBox->blockSignals(false);
|
|
ui->streamNumberSpinBox->setToolTip(tr("%Ln total stream(s).", "", stream_count));
|
|
ui->streamNumberLabel->setToolTip(ui->streamNumberSpinBox->toolTip());
|
|
|
|
break;
|
|
}
|
|
case FOLLOW_UDP:
|
|
{
|
|
int stream_count = get_udp_stream_count();
|
|
ui->streamNumberSpinBox->blockSignals(true);
|
|
ui->streamNumberSpinBox->setMaximum(stream_count-1);
|
|
ui->streamNumberSpinBox->setValue(stream_num);
|
|
ui->streamNumberSpinBox->blockSignals(false);
|
|
ui->streamNumberSpinBox->setToolTip(tr("%Ln total stream(s).", "", stream_count));
|
|
ui->streamNumberLabel->setToolTip(ui->streamNumberSpinBox->toolTip());
|
|
|
|
break;
|
|
}
|
|
case FOLLOW_DCCP:
|
|
{
|
|
int stream_count = get_dccp_stream_count();
|
|
ui->streamNumberSpinBox->blockSignals(true);
|
|
ui->streamNumberSpinBox->setMaximum(stream_count-1);
|
|
ui->streamNumberSpinBox->setValue(stream_num);
|
|
ui->streamNumberSpinBox->blockSignals(false);
|
|
ui->streamNumberSpinBox->setToolTip(tr("%Ln total stream(s).", "", stream_count));
|
|
ui->streamNumberLabel->setToolTip(ui->streamNumberSpinBox->toolTip());
|
|
|
|
break;
|
|
}
|
|
case FOLLOW_HTTP2:
|
|
{
|
|
int stream_count = get_tcp_stream_count();
|
|
ui->streamNumberSpinBox->blockSignals(true);
|
|
ui->streamNumberSpinBox->setMaximum(stream_count-1);
|
|
ui->streamNumberSpinBox->setValue(stream_num);
|
|
ui->streamNumberSpinBox->blockSignals(false);
|
|
ui->streamNumberSpinBox->setToolTip(tr("%Ln total stream(s).", "", stream_count));
|
|
ui->streamNumberLabel->setToolTip(ui->streamNumberSpinBox->toolTip());
|
|
|
|
guint substream_max_id = 0;
|
|
http2_get_stream_id_le(static_cast<guint>(stream_num), G_MAXINT32, &substream_max_id);
|
|
stream_count = static_cast<gint>(substream_max_id);
|
|
ui->subStreamNumberSpinBox->blockSignals(true);
|
|
ui->subStreamNumberSpinBox->setEnabled(true);
|
|
ui->subStreamNumberSpinBox->setMaximum(stream_count);
|
|
ui->subStreamNumberSpinBox->setValue(sub_stream_num);
|
|
ui->subStreamNumberSpinBox->blockSignals(false);
|
|
ui->subStreamNumberSpinBox->setToolTip(tr("%Ln total sub stream(s).", "", stream_count));
|
|
ui->subStreamNumberSpinBox->setToolTip(ui->subStreamNumberSpinBox->toolTip());
|
|
ui->subStreamNumberSpinBox->setVisible(true);
|
|
ui->subStreamNumberLabel->setVisible(true);
|
|
|
|
break;
|
|
}
|
|
case FOLLOW_QUIC:
|
|
{
|
|
int stream_count = get_quic_connections_count();
|
|
ui->streamNumberSpinBox->blockSignals(true);
|
|
ui->streamNumberSpinBox->setMaximum(stream_count-1);
|
|
ui->streamNumberSpinBox->setValue(stream_num);
|
|
ui->streamNumberSpinBox->blockSignals(false);
|
|
ui->streamNumberSpinBox->setToolTip(tr("Total number of QUIC connections: %Ln", "", stream_count));
|
|
ui->streamNumberLabel->setToolTip(ui->streamNumberSpinBox->toolTip());
|
|
|
|
guint substream_max_id = 0;
|
|
quic_get_stream_id_le(static_cast<guint>(stream_num), G_MAXINT32, &substream_max_id);
|
|
stream_count = static_cast<gint>(substream_max_id);
|
|
ui->subStreamNumberSpinBox->blockSignals(true);
|
|
ui->subStreamNumberSpinBox->setEnabled(true);
|
|
ui->subStreamNumberSpinBox->setMaximum(stream_count);
|
|
ui->subStreamNumberSpinBox->setValue(sub_stream_num);
|
|
ui->subStreamNumberSpinBox->blockSignals(false);
|
|
ui->subStreamNumberSpinBox->setToolTip(tr("Max QUIC Stream ID for the selected connection: %Ln", "", stream_count));
|
|
ui->subStreamNumberSpinBox->setToolTip(ui->subStreamNumberSpinBox->toolTip());
|
|
ui->subStreamNumberSpinBox->setVisible(true);
|
|
ui->subStreamNumberLabel->setVisible(true);
|
|
|
|
break;
|
|
}
|
|
case FOLLOW_TLS:
|
|
case FOLLOW_HTTP:
|
|
/* No extra handling */
|
|
break;
|
|
case FOLLOW_SIP:
|
|
{
|
|
/* There are no more streams */
|
|
ui->streamNumberSpinBox->setEnabled(false);
|
|
ui->streamNumberSpinBox->blockSignals(true);
|
|
ui->streamNumberSpinBox->setMaximum(0);
|
|
ui->streamNumberSpinBox->setValue(0);
|
|
ui->streamNumberSpinBox->blockSignals(false);
|
|
ui->streamNumberSpinBox->setToolTip(tr("No streams"));
|
|
ui->streamNumberLabel->setToolTip(ui->streamNumberSpinBox->toolTip());
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
beginRetapPackets();
|
|
updateWidgets(true);
|
|
|
|
/* Run the display filter so it goes in effect - even if it's the
|
|
same as the previous display filter. */
|
|
emit updateFilter(follow_filter, TRUE);
|
|
|
|
removeTapListeners();
|
|
|
|
hostname0 = address_to_name(&follow_info_.client_ip);
|
|
hostname1 = address_to_name(&follow_info_.server_ip);
|
|
|
|
port0 = get_follow_port_to_display(follower_)(NULL, follow_info_.client_port);
|
|
port1 = get_follow_port_to_display(follower_)(NULL, follow_info_.server_port);
|
|
|
|
server_to_client_string =
|
|
QString("%1:%2 %3 %4:%5 (%6)")
|
|
.arg(hostname0).arg(port0)
|
|
.arg(UTF8_RIGHTWARDS_ARROW)
|
|
.arg(hostname1).arg(port1)
|
|
.arg(gchar_free_to_qstring(format_size(
|
|
follow_info_.bytes_written[0],
|
|
FORMAT_SIZE_UNIT_BYTES, FORMAT_SIZE_PREFIX_SI)));
|
|
|
|
client_to_server_string =
|
|
QString("%1:%2 %3 %4:%5 (%6)")
|
|
.arg(hostname1).arg(port1)
|
|
.arg(UTF8_RIGHTWARDS_ARROW)
|
|
.arg(hostname0).arg(port0)
|
|
.arg(gchar_free_to_qstring(format_size(
|
|
follow_info_.bytes_written[1],
|
|
FORMAT_SIZE_UNIT_BYTES, FORMAT_SIZE_PREFIX_SI)));
|
|
|
|
wmem_free(NULL, port0);
|
|
wmem_free(NULL, port1);
|
|
|
|
both_directions_string = tr("Entire conversation (%1)")
|
|
.arg(gchar_free_to_qstring(format_size(
|
|
follow_info_.bytes_written[0] + follow_info_.bytes_written[1],
|
|
FORMAT_SIZE_UNIT_BYTES, FORMAT_SIZE_PREFIX_SI)));
|
|
setWindowSubtitle(tr("Follow %1 Stream (%2)").arg(proto_get_protocol_short_name(find_protocol_by_id(get_follow_proto_id(follower_))))
|
|
.arg(follow_filter));
|
|
|
|
ui->cbDirections->blockSignals(true);
|
|
ui->cbDirections->clear();
|
|
ui->cbDirections->addItem(both_directions_string);
|
|
ui->cbDirections->addItem(client_to_server_string);
|
|
ui->cbDirections->addItem(server_to_client_string);
|
|
ui->cbDirections->blockSignals(false);
|
|
|
|
followStream();
|
|
fillHintLabel(-1);
|
|
|
|
updateWidgets(false);
|
|
endRetapPackets();
|
|
|
|
if (prefs.restore_filter_after_following_stream) {
|
|
emit updateFilter(previous_filter_, TRUE);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void FollowStreamDialog::captureFileClosed()
|
|
{
|
|
QString tooltip = tr("File closed.");
|
|
ui->streamNumberSpinBox->setToolTip(tooltip);
|
|
ui->streamNumberLabel->setToolTip(tooltip);
|
|
WiresharkDialog::captureFileClosed();
|
|
}
|
|
|
|
/*
|
|
* XXX - the routine pointed to by "print_line_fcn_p" doesn't get handed lines,
|
|
* it gets handed bufferfuls. That's fine for "follow_write_raw()"
|
|
* and "follow_add_to_gtk_text()", but, as "follow_print_text()" calls
|
|
* the "print_line()" routine from "print.c", and as that routine might
|
|
* genuinely expect to be handed a line (if, for example, it's using
|
|
* some OS or desktop environment's printing API, and that API expects
|
|
* to be handed lines), "follow_print_text()" should probably accumulate
|
|
* lines in a buffer and hand them "print_line()". (If there's a
|
|
* complete line in a buffer - i.e., there's nothing of the line in
|
|
* the previous buffer or the next buffer - it can just hand that to
|
|
* "print_line()" after filtering out non-printables, as an
|
|
* optimization.)
|
|
*
|
|
* This might or might not be the reason why C arrays display
|
|
* correctly but get extra blank lines very other line when printed.
|
|
*/
|
|
frs_return_t
|
|
FollowStreamDialog::readFollowStream()
|
|
{
|
|
guint32 global_client_pos = 0, global_server_pos = 0;
|
|
guint32 *global_pos;
|
|
gboolean skip;
|
|
GList* cur;
|
|
frs_return_t frs_return;
|
|
follow_record_t *follow_record;
|
|
QElapsedTimer elapsed_timer;
|
|
|
|
elapsed_timer.start();
|
|
|
|
loop_break_mutex.lock();
|
|
isReadRunning = TRUE;
|
|
loop_break_mutex.unlock();
|
|
|
|
for (cur = g_list_last(follow_info_.payload); cur; cur = g_list_previous(cur)) {
|
|
if (dialogClosed() || !isReadRunning) break;
|
|
|
|
follow_record = (follow_record_t *)cur->data;
|
|
skip = FALSE;
|
|
if (!follow_record->is_server) {
|
|
global_pos = &global_client_pos;
|
|
if (follow_info_.show_stream == FROM_SERVER) {
|
|
skip = TRUE;
|
|
}
|
|
} else {
|
|
global_pos = &global_server_pos;
|
|
if (follow_info_.show_stream == FROM_CLIENT) {
|
|
skip = TRUE;
|
|
}
|
|
}
|
|
|
|
QByteArray buffer;
|
|
if (!skip) {
|
|
// We want a deep copy.
|
|
buffer.clear();
|
|
buffer.append((const char *) follow_record->data->data,
|
|
follow_record->data->len);
|
|
frs_return = showBuffer(
|
|
buffer.data(),
|
|
follow_record->data->len,
|
|
follow_record->is_server,
|
|
follow_record->packet_num,
|
|
follow_record->abs_ts,
|
|
global_pos);
|
|
if (frs_return == FRS_PRINT_ERROR)
|
|
return frs_return;
|
|
if (elapsed_timer.elapsed() > info_update_freq_) {
|
|
fillHintLabel(ui->teStreamContent->textCursor().position());
|
|
wsApp->processEvents();
|
|
elapsed_timer.start();
|
|
}
|
|
}
|
|
}
|
|
|
|
loop_break_mutex.lock();
|
|
isReadRunning = FALSE;
|
|
loop_break_mutex.unlock();
|
|
|
|
return FRS_OK;
|
|
}
|