![Roland Knall](/assets/img/avatar_default.png)
These seem to be the last remains of the old gtk interface and can interfere with Qt's thread mechanism. Additionally it saves on memory, by only using memory needed and a list where more are required Change-Id: If5945d926d808f3e6f3e74ffc26d392effc3c142 Reviewed-on: https://code.wireshark.org/review/33845 Petri-Dish: Roland Knall <rknall@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Roland Knall <rknall@gmail.com>
296 lines
8.6 KiB
C++
296 lines
8.6 KiB
C++
/* packet_list_record.cpp
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "packet_list_record.h"
|
|
|
|
#include <file.h>
|
|
|
|
#include <epan/epan_dissect.h>
|
|
#include <epan/column-info.h>
|
|
#include <epan/column.h>
|
|
#include <epan/conversation.h>
|
|
#include <epan/wmem/wmem.h>
|
|
|
|
#include <epan/color_filters.h>
|
|
|
|
#include "frame_tvbuff.h"
|
|
|
|
#include <ui/qt/utils/qt_ui_utils.h>
|
|
|
|
#include <QStringList>
|
|
|
|
QMap<int, int> PacketListRecord::cinfo_column_;
|
|
unsigned PacketListRecord::col_data_ver_ = 1;
|
|
|
|
PacketListRecord::PacketListRecord(frame_data *frameData) :
|
|
fdata_(frameData),
|
|
lines_(1),
|
|
line_count_changed_(false),
|
|
data_ver_(0),
|
|
colorized_(false),
|
|
conv_index_(0)
|
|
{
|
|
}
|
|
|
|
PacketListRecord::~PacketListRecord()
|
|
{
|
|
col_text_.clear();
|
|
}
|
|
|
|
// We might want to return a const char * instead. This would keep us from
|
|
// creating excessive QByteArrays, e.g. in PacketListModel::recordLessThan.
|
|
const QString PacketListRecord::columnString(capture_file *cap_file, int column, bool colorized)
|
|
{
|
|
// packet_list_store.c:packet_list_get_value
|
|
Q_ASSERT(fdata_);
|
|
|
|
if (!cap_file || column < 0 || column > cap_file->cinfo.num_cols) {
|
|
return QString();
|
|
}
|
|
|
|
bool dissect_color = colorized && !colorized_;
|
|
if (column >= col_text_.count() || col_text_.at(column).isNull() || data_ver_ != col_data_ver_ || dissect_color) {
|
|
dissect(cap_file, dissect_color);
|
|
}
|
|
|
|
return col_text_.at(column);
|
|
}
|
|
|
|
void PacketListRecord::resetColumns(column_info *cinfo)
|
|
{
|
|
invalidateAllRecords();
|
|
|
|
if (!cinfo) {
|
|
return;
|
|
}
|
|
|
|
cinfo_column_.clear();
|
|
int i, j;
|
|
for (i = 0, j = 0; i < cinfo->num_cols; i++) {
|
|
if (!col_based_on_frame_data(cinfo, i)) {
|
|
cinfo_column_[i] = j;
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PacketListRecord::resetColorized()
|
|
{
|
|
colorized_ = false;
|
|
}
|
|
|
|
void PacketListRecord::dissect(capture_file *cap_file, bool dissect_color)
|
|
{
|
|
// packet_list_store.c:packet_list_dissect_and_cache_record
|
|
epan_dissect_t edt;
|
|
column_info *cinfo = NULL;
|
|
gboolean create_proto_tree;
|
|
wtap_rec rec; /* Record metadata */
|
|
Buffer buf; /* Record data */
|
|
|
|
gboolean dissect_columns = col_text_.isEmpty() || data_ver_ != col_data_ver_;
|
|
|
|
if (!cap_file) {
|
|
return;
|
|
}
|
|
|
|
if (dissect_columns) {
|
|
cinfo = &cap_file->cinfo;
|
|
}
|
|
|
|
wtap_rec_init(&rec);
|
|
ws_buffer_init(&buf, 1514);
|
|
if (!cf_read_record(cap_file, fdata_, &rec, &buf)) {
|
|
/*
|
|
* Error reading the record.
|
|
*
|
|
* Don't set the color filter for now (we might want
|
|
* to colorize it in some fashion to warn that the
|
|
* row couldn't be filled in or colorized), and
|
|
* set the columns to placeholder values, except
|
|
* for the Info column, where we'll put in an
|
|
* error message.
|
|
*/
|
|
if (dissect_columns) {
|
|
col_fill_in_error(cinfo, fdata_, FALSE, FALSE /* fill_fd_columns */);
|
|
|
|
cacheColumnStrings(cinfo);
|
|
}
|
|
if (dissect_color) {
|
|
fdata_->color_filter = NULL;
|
|
colorized_ = true;
|
|
}
|
|
ws_buffer_free(&buf);
|
|
wtap_rec_cleanup(&rec);
|
|
return; /* error reading the record */
|
|
}
|
|
|
|
/*
|
|
* Determine whether we need to create a protocol tree.
|
|
* We do if:
|
|
*
|
|
* we're going to apply a color filter to this packet;
|
|
*
|
|
* we're need to fill in the columns and we have custom columns
|
|
* (which require field values, which currently requires that
|
|
* we build a protocol tree).
|
|
*
|
|
* XXX - field extractors? (Not done for GTK+....)
|
|
*/
|
|
create_proto_tree = ((dissect_color && color_filters_used()) ||
|
|
(dissect_columns && (have_custom_cols(cinfo) ||
|
|
have_field_extractors())));
|
|
|
|
epan_dissect_init(&edt, cap_file->epan,
|
|
create_proto_tree,
|
|
FALSE /* proto_tree_visible */);
|
|
|
|
/* Re-color when the coloring rules are changed via the UI. */
|
|
if (dissect_color) {
|
|
color_filters_prime_edt(&edt);
|
|
fdata_->need_colorize = 1;
|
|
}
|
|
if (dissect_columns)
|
|
col_custom_prime_edt(&edt, cinfo);
|
|
|
|
/*
|
|
* XXX - need to catch an OutOfMemoryError exception and
|
|
* attempt to recover from it.
|
|
*/
|
|
epan_dissect_run(&edt, cap_file->cd_t, &rec,
|
|
frame_tvbuff_new_buffer(&cap_file->provider, fdata_, &buf),
|
|
fdata_, cinfo);
|
|
|
|
if (dissect_columns) {
|
|
/* "Stringify" non frame_data vals */
|
|
epan_dissect_fill_in_columns(&edt, FALSE, FALSE /* fill_fd_columns */);
|
|
cacheColumnStrings(cinfo);
|
|
}
|
|
|
|
if (dissect_color) {
|
|
colorized_ = true;
|
|
}
|
|
data_ver_ = col_data_ver_;
|
|
|
|
struct conversation * conv = find_conversation_pinfo(&edt.pi, 0);
|
|
conv_index_ = ! conv ? 0 : conv->conv_index;
|
|
|
|
epan_dissect_cleanup(&edt);
|
|
ws_buffer_free(&buf);
|
|
wtap_rec_cleanup(&rec);
|
|
}
|
|
|
|
//#define MINIMIZE_STRING_COPYING 1
|
|
void PacketListRecord::cacheColumnStrings(column_info *cinfo)
|
|
{
|
|
// packet_list_store.c:packet_list_change_record(PacketList *packet_list, PacketListRecord *record, gint col, column_info *cinfo)
|
|
if (!cinfo) {
|
|
return;
|
|
}
|
|
|
|
col_text_.clear();
|
|
lines_ = 1;
|
|
line_count_changed_ = false;
|
|
|
|
for (int column = 0; column < cinfo->num_cols; ++column) {
|
|
int col_lines = 1;
|
|
|
|
#ifdef MINIMIZE_STRING_COPYING
|
|
int text_col = cinfo_column_.value(column, -1);
|
|
|
|
/* Column based on frame_data or it already contains a value */
|
|
if (text_col < 0) {
|
|
col_fill_in_frame_data(fdata_, cinfo, column, FALSE);
|
|
col_text_ << QString(cinfo->columns[column].col_data);
|
|
continue;
|
|
}
|
|
|
|
switch (cinfo->col_fmt[column]) {
|
|
case COL_PROTOCOL:
|
|
case COL_INFO:
|
|
case COL_IF_DIR:
|
|
case COL_DCE_CALL:
|
|
case COL_8021Q_VLAN_ID:
|
|
case COL_EXPERT:
|
|
case COL_FREQ_CHAN:
|
|
if (cinfo->columns[column].col_data && cinfo->columns[column].col_data != cinfo->columns[column].col_buf) {
|
|
/* This is a constant string, so we don't have to copy it */
|
|
// XXX - ui/gtk/packet_list_store.c uses G_MAXUSHORT. We don't do proper UTF8
|
|
// truncation in either case.
|
|
int col_text_len = MIN(qstrlen(cinfo->col_data[column]) + 1, COL_MAX_INFO_LEN);
|
|
col_text_ << QString(QByteArray::fromRawData(cinfo->columns[column].col_data, col_text_len));
|
|
break;
|
|
}
|
|
/* !! FALL-THROUGH!! */
|
|
|
|
case COL_DEF_SRC:
|
|
case COL_RES_SRC: /* COL_DEF_SRC is currently just like COL_RES_SRC */
|
|
case COL_UNRES_SRC:
|
|
case COL_DEF_DL_SRC:
|
|
case COL_RES_DL_SRC:
|
|
case COL_UNRES_DL_SRC:
|
|
case COL_DEF_NET_SRC:
|
|
case COL_RES_NET_SRC:
|
|
case COL_UNRES_NET_SRC:
|
|
case COL_DEF_DST:
|
|
case COL_RES_DST: /* COL_DEF_DST is currently just like COL_RES_DST */
|
|
case COL_UNRES_DST:
|
|
case COL_DEF_DL_DST:
|
|
case COL_RES_DL_DST:
|
|
case COL_UNRES_DL_DST:
|
|
case COL_DEF_NET_DST:
|
|
case COL_RES_NET_DST:
|
|
case COL_UNRES_NET_DST:
|
|
default:
|
|
if (!get_column_resolved(column) && cinfo->col_expr.col_expr_val[column]) {
|
|
/* Use the unresolved value in col_expr_val */
|
|
// XXX Use QContiguousCache?
|
|
col_text_ << QString(cinfo->col_expr.col_expr_val[column]);
|
|
} else {
|
|
col_text_ << QString(cinfo->columns[column].col_data);
|
|
}
|
|
break;
|
|
}
|
|
#else // MINIMIZE_STRING_COPYING
|
|
QString col_str;
|
|
if (!get_column_resolved(column) && cinfo->col_expr.col_expr_val[column]) {
|
|
/* Use the unresolved value in col_expr_val */
|
|
col_str = QString(cinfo->col_expr.col_expr_val[column]);
|
|
} else {
|
|
int text_col = cinfo_column_.value(column, -1);
|
|
|
|
if (text_col < 0) {
|
|
col_fill_in_frame_data(fdata_, cinfo, column, FALSE);
|
|
}
|
|
col_str = QString(cinfo->columns[column].col_data);
|
|
}
|
|
|
|
col_text_ << col_str;
|
|
col_lines = col_str.count('\n');
|
|
if (col_lines > lines_) {
|
|
lines_ = col_lines;
|
|
line_count_changed_ = true;
|
|
}
|
|
#endif // MINIMIZE_STRING_COPYING
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|