29235b9d10
(Actually many GtkTreeModel don't check types at all). svn path=/trunk/; revision=45073
1301 lines
37 KiB
C
1301 lines
37 KiB
C
/* packet_list_store.c
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* Routines to implement a custom GTK+ list model for Wireshark's packet list
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* Copyright 2008-2009, Stephen Fisher (see AUTHORS file)
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* * Co-authors Anders Broman and Kovarththanan Rajaratnam.
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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/* This code was originally based on the GTK+ Tree View tutorial at
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* http://scentric.net/tutorial */
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#include "config.h"
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#include <string.h>
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#include <gtk/gtk.h>
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#include <glib.h>
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#include "packet_list_store.h"
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#include "ui/progress_dlg.h"
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#include "ui/ui_util.h"
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#include "ui/gtk/old-gtk-compat.h"
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#include <epan/epan_dissect.h>
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#include <epan/column_info.h>
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#include <epan/column.h>
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#include <epan/nstime.h>
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#include "color.h"
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#include "color_filters.h"
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#include "globals.h"
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/* #define PACKET_PARANOID_CHECKS */
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/** PacketListRecord: represents a row */
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typedef struct _PacketListRecord {
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/** The column text for some columns */
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gchar **col_text;
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/**< The length of the column text strings in 'col_text' */
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gushort *col_text_len;
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frame_data *fdata;
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/* admin stuff used by the custom list model */
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#ifdef PACKET_PARANOID_CHECKS
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/** position within the physical array */
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guint physical_pos;
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#endif
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/** position within the visible array */
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gint visible_pos;
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/** Has this record been columnized? */
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guint columnized : 1;
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/** Has this record been colorized? */
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guint colorized : 1;
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} PacketListRecord;
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static void packet_list_init(PacketList *pkg_tree);
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static void packet_list_class_init(PacketListClass *klass);
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static void packet_list_tree_model_init(GtkTreeModelIface *iface);
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static void packet_list_finalize(GObject *object);
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static GtkTreeModelFlags packet_list_get_flags(GtkTreeModel *tree_model);
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static gint packet_list_get_n_columns(GtkTreeModel *tree_model);
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static GType packet_list_get_column_type(GtkTreeModel *tree_model, gint idx);
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static gboolean packet_list_get_iter(GtkTreeModel *tree_model,
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GtkTreeIter *iter, GtkTreePath *path);
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static GtkTreePath *packet_list_get_path(GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static void packet_list_get_value(GtkTreeModel *tree_model, GtkTreeIter *iter,
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gint column, GValue *value);
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static gboolean packet_list_iter_next(GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean packet_list_iter_children(GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent);
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static gboolean packet_list_iter_has_child(GtkTreeModel *tree_model _U_,
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GtkTreeIter *iter _U_);
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static gint packet_list_iter_n_children(GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean packet_list_iter_nth_child(GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent,
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gint n);
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static gboolean packet_list_iter_parent(GtkTreeModel *tree_model _U_,
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GtkTreeIter *iter _U_,
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GtkTreeIter *child _U_);
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static gboolean packet_list_sortable_get_sort_column_id(GtkTreeSortable
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*sortable,
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gint *sort_col_id,
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GtkSortType *order);
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static void packet_list_sortable_set_sort_column_id(GtkTreeSortable *sortable,
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gint sort_col_id,
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GtkSortType order);
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static void packet_list_sortable_set_sort_func(GtkTreeSortable *sortable,
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gint sort_col_id,
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GtkTreeIterCompareFunc sort_func,
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gpointer user_data,
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GDestroyNotify destroy_func);
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static void packet_list_sortable_set_default_sort_func(GtkTreeSortable
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*sortable,
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GtkTreeIterCompareFunc
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sort_func,
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gpointer user_data,
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GDestroyNotify
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destroy_func);
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static gboolean packet_list_sortable_has_default_sort_func(GtkTreeSortable
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*sortable);
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static void packet_list_sortable_init(GtkTreeSortableIface *iface);
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static void packet_list_resort(PacketList *packet_list);
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static void packet_list_dissect_and_cache_record(PacketList *packet_list, PacketListRecord *record, gboolean dissect_columns, gboolean dissect_color );
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static GObjectClass *parent_class = NULL;
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GType
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packet_list_get_type(void)
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{
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static GType packet_list_type = 0;
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if(packet_list_type == 0) {
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static const GTypeInfo packet_list_info = {
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sizeof(PacketListClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) packet_list_class_init,
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NULL, /* class finalize */
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NULL, /* class_data */
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sizeof(PacketList),
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0, /* n_preallocs */
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(GInstanceInitFunc) packet_list_init,
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NULL /* value_table */
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};
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static const GInterfaceInfo tree_model_info = {
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(GInterfaceInitFunc) packet_list_tree_model_init,
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NULL,
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NULL
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};
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static const GInterfaceInfo tree_sortable_info = {
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(GInterfaceInitFunc) packet_list_sortable_init,
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NULL,
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NULL
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};
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/* Register the new derived type with the GObject type system */
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packet_list_type = g_type_register_static(G_TYPE_OBJECT,
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"PacketList",
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&packet_list_info,
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(GTypeFlags)0);
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g_type_add_interface_static(packet_list_type,
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GTK_TYPE_TREE_MODEL,
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&tree_model_info);
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/* Register our GtkTreeModel interface with the type system */
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g_type_add_interface_static(packet_list_type,
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GTK_TYPE_TREE_SORTABLE,
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&tree_sortable_info);
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}
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return packet_list_type;
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}
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static void
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packet_list_sortable_init(GtkTreeSortableIface *iface)
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{
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iface->get_sort_column_id = packet_list_sortable_get_sort_column_id;
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iface->set_sort_column_id = packet_list_sortable_set_sort_column_id;
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/* The following three functions are not implemented */
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iface->set_sort_func = packet_list_sortable_set_sort_func;
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iface->set_default_sort_func =
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packet_list_sortable_set_default_sort_func;
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iface->has_default_sort_func =
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packet_list_sortable_has_default_sort_func;
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}
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static void
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packet_list_class_init(PacketListClass *klass)
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{
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GObjectClass *object_class;
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parent_class = (GObjectClass*) g_type_class_peek_parent(klass);
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object_class = (GObjectClass*) klass;
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object_class->finalize = packet_list_finalize;
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#if !GTK_CHECK_VERSION(3,0,0)
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/* XXX this seems to affect TreeView Application wide
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* Move to main.c ??? as it's not a bad thing(tm)
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*/
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gtk_rc_parse_string (
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"style \"PacketList-style\"\n"
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"{\n"
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" GtkTreeView::horizontal-separator = 0\n"
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" GtkTreeView::vertical-separator = 1\n"
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"} widget_class \"*TreeView*\""
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" style \"PacketList-style\"");
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#endif
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}
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static void
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packet_list_tree_model_init(GtkTreeModelIface *iface)
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{
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iface->get_flags = packet_list_get_flags;
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iface->get_n_columns = packet_list_get_n_columns;
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iface->get_column_type = packet_list_get_column_type;
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iface->get_iter = packet_list_get_iter;
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iface->get_path = packet_list_get_path;
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iface->get_value = packet_list_get_value;
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iface->iter_next = packet_list_iter_next;
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iface->iter_children = packet_list_iter_children;
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iface->iter_has_child = packet_list_iter_has_child;
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iface->iter_n_children = packet_list_iter_n_children;
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iface->iter_nth_child = packet_list_iter_nth_child;
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iface->iter_parent = packet_list_iter_parent;
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}
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/* This is called every time a new packet list object instance is created in
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* packet_list_new. Initialize the list structure's fields here. */
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static void
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packet_list_init(PacketList *packet_list)
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{
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gint i, j;
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/* To check whether an iter belongs to our model. */
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packet_list->stamp = g_random_int();
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packet_list->n_cols = cfile.cinfo.num_cols;
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packet_list->physical_rows = g_ptr_array_new();
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packet_list->visible_rows = g_ptr_array_new();
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packet_list->columnized = FALSE;
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packet_list->sort_id = 0; /* defaults to first column for now */
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packet_list->sort_order = GTK_SORT_ASCENDING;
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packet_list->col_to_text = g_new(int, packet_list->n_cols);
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for (i = 0, j = 0; i < packet_list->n_cols; i++) {
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if (!col_based_on_frame_data(&cfile.cinfo, i)) {
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packet_list->col_to_text[i] = j;
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j++;
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} else
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packet_list->col_to_text[i] = -1;
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}
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packet_list->n_text_cols = j;
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#ifdef PACKET_LIST_STATISTICS
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packet_list->const_strings = 0;
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#endif
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}
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/* This function is called just before a packet list is destroyed. Free
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* dynamically allocated memory here. */
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static void
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packet_list_finalize(GObject *object)
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{
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/* PacketList *packet_list = PACKET_LIST(object); */
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/* XXX - Free all records and free all memory used by the list */
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/* must chain up - finalize parent */
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(* parent_class->finalize) (object);
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}
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static GtkTreeModelFlags
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packet_list_get_flags(GtkTreeModel *tree_model)
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{
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g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model),
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(GtkTreeModelFlags)0);
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return (GTK_TREE_MODEL_LIST_ONLY | GTK_TREE_MODEL_ITERS_PERSIST);
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}
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static gint
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packet_list_get_n_columns(GtkTreeModel *tree_model)
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{
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PacketList *packet_list;
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g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model), 0);
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packet_list = (PacketList *) tree_model;
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/* Note: We need one extra column to store the entire frame_data */
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return packet_list->n_cols + 1;
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}
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static GType
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packet_list_get_column_type(GtkTreeModel *tree_model, gint idx)
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{
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PacketList *packet_list;
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g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model), G_TYPE_INVALID);
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packet_list = (PacketList *) tree_model;
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/* Note: We use one extra column to store the entire frame_data */
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g_return_val_if_fail(idx >= 0 && idx < packet_list->n_cols + 1, G_TYPE_INVALID);
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if (idx >= 0 && idx < packet_list->n_cols)
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return G_TYPE_STRING;
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else if (idx == packet_list->n_cols)
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return G_TYPE_POINTER;
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else
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return G_TYPE_INVALID;
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}
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static gboolean
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packet_list_get_iter(GtkTreeModel *tree_model, GtkTreeIter *iter,
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GtkTreePath *path)
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{
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PacketList *packet_list;
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PacketListRecord *record;
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gint *indices, depth;
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gint n;
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g_assert(PACKETLIST_IS_LIST(tree_model));
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packet_list = (PacketList *) tree_model;
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g_assert(path != NULL);
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indices = gtk_tree_path_get_indices(path);
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depth = gtk_tree_path_get_depth(path);
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/* we do not allow children since it's just a list */
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g_assert(depth == 1);
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n = indices[0]; /* the n-th top level row */
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if(PACKET_LIST_RECORD_COUNT(packet_list->visible_rows) == 0)
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return FALSE;
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if(!PACKET_LIST_RECORD_INDEX_VALID(packet_list->visible_rows, n))
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return FALSE;
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record = PACKET_LIST_RECORD_GET(packet_list->visible_rows, n);
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g_assert(record->visible_pos == n);
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/* We simply store a pointer to our custom record in the iter */
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iter->stamp = packet_list->stamp;
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iter->user_data = record;
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return TRUE;
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}
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static GtkTreePath *
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packet_list_get_path(GtkTreeModel *tree_model, GtkTreeIter *iter)
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{
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GtkTreePath *path;
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PacketListRecord *record;
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PacketList *packet_list;
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g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model), NULL);
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packet_list = (PacketList *) tree_model;
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g_return_val_if_fail(iter != NULL, NULL);
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g_return_val_if_fail(iter->stamp == packet_list->stamp, NULL);
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g_return_val_if_fail(iter->user_data != NULL, NULL);
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record = (PacketListRecord*) iter->user_data;
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path = gtk_tree_path_new();
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gtk_tree_path_append_index(path, record->visible_pos);
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return path;
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}
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static void
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packet_list_get_value(GtkTreeModel *tree_model, GtkTreeIter *iter, gint column,
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GValue *value)
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{
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PacketListRecord *record;
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PacketList *packet_list;
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g_return_if_fail(PACKETLIST_IS_LIST(tree_model));
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packet_list = (PacketList *) tree_model;
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g_return_if_fail(iter != NULL);
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g_return_if_fail(iter->stamp == packet_list->stamp);
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g_return_if_fail(iter->user_data != NULL);
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/* Note: We use one extra column to store the entire frame_data */
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g_return_if_fail(column >= 0 && column < packet_list->n_cols + 1);
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record = (PacketListRecord*) iter->user_data;
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#ifdef PACKET_PARANOID_CHECKS
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g_return_if_fail(PACKET_LIST_RECORD_INDEX_VALID(packet_list->physical_rows, record->physical_pos));
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#endif
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g_return_if_fail(PACKET_LIST_RECORD_INDEX_VALID(packet_list->visible_rows, record->visible_pos));
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if (column >= 0 && column < packet_list->n_cols) {
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int text_column;
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g_value_init(value, G_TYPE_STRING);
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if (!record->columnized || !record->colorized)
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packet_list_dissect_and_cache_record(packet_list, record, !record->columnized, !record->colorized);
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text_column = packet_list->col_to_text[column];
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if (text_column == -1) { /* column based on frame_data */
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col_fill_in_frame_data(record->fdata, &cfile.cinfo, column, FALSE);
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g_value_set_string(value, cfile.cinfo.col_data[column]);
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} else {
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g_return_if_fail(record->col_text);
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g_value_set_string(value, record->col_text[text_column]);
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}
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} else if (column == packet_list->n_cols) {
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g_value_init(value, G_TYPE_POINTER);
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g_value_set_pointer(value, record->fdata);
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}
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}
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static PacketListRecord *
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packet_list_iter_next_visible(PacketList *packet_list, PacketListRecord *record)
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{
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PacketListRecord *nextrecord;
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gint next_visible_pos;
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g_assert(record->visible_pos >= 0);
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next_visible_pos = record->visible_pos + 1;
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/* Is this the last record in the list? */
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if(!PACKET_LIST_RECORD_INDEX_VALID(packet_list->visible_rows, next_visible_pos))
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return NULL;
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nextrecord = PACKET_LIST_RECORD_GET(packet_list->visible_rows, next_visible_pos);
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g_assert(nextrecord->visible_pos == (record->visible_pos + 1));
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#ifdef PACKET_PARANOID_CHECKS
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g_assert(nextrecord->physical_pos >= (record->physical_pos + 1));
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#endif
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return nextrecord;
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}
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/* Takes an iter structure and sets it to point to the next row. */
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static gboolean
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packet_list_iter_next(GtkTreeModel *tree_model, GtkTreeIter *iter)
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{
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PacketListRecord *record, *nextrecord;
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PacketList *packet_list;
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g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model), FALSE);
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packet_list = (PacketList *) tree_model;
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if(iter == NULL)
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return FALSE;
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g_return_val_if_fail(iter->stamp == packet_list->stamp, FALSE);
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g_return_val_if_fail(iter->user_data, FALSE);
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record = (PacketListRecord*) iter->user_data;
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nextrecord = packet_list_iter_next_visible(packet_list, record);
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if (!nextrecord)
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return FALSE;
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/* iter->stamp = packet_list->stamp; */
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iter->user_data = nextrecord;
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return TRUE;
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}
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|
|
static gboolean
|
|
packet_list_iter_children(GtkTreeModel *tree_model, GtkTreeIter *iter,
|
|
GtkTreeIter *parent)
|
|
{
|
|
PacketList *packet_list;
|
|
|
|
g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model), FALSE);
|
|
packet_list = (PacketList *) tree_model;
|
|
|
|
/* This is a list, nodes have no children. */
|
|
if(parent) {
|
|
g_return_val_if_fail(parent->stamp == packet_list->stamp, FALSE);
|
|
g_return_val_if_fail(parent->user_data, FALSE);
|
|
return FALSE;
|
|
}
|
|
|
|
/* No rows => no first row */
|
|
if(PACKET_LIST_RECORD_COUNT(packet_list->visible_rows) == 0)
|
|
return FALSE;
|
|
|
|
/* Set iter to first item in list */
|
|
iter->stamp = packet_list->stamp;
|
|
iter->user_data = PACKET_LIST_RECORD_GET(packet_list->visible_rows, 0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
packet_list_iter_has_child(GtkTreeModel *tree_model _U_, GtkTreeIter *iter _U_)
|
|
{
|
|
return FALSE; /* Lists have no children */
|
|
}
|
|
|
|
static gint
|
|
packet_list_iter_n_children(GtkTreeModel *tree_model, GtkTreeIter *iter)
|
|
{
|
|
PacketList *packet_list;
|
|
|
|
g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model), 0);
|
|
packet_list = (PacketList *) tree_model;
|
|
|
|
if(!iter) {
|
|
/* special case: if iter == NULL, return number of top-level rows */
|
|
return PACKET_LIST_RECORD_COUNT(packet_list->visible_rows);
|
|
}
|
|
else {
|
|
g_return_val_if_fail(iter->stamp == packet_list->stamp, 0);
|
|
g_return_val_if_fail(iter->user_data, 0);
|
|
/* Lists have zero children */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
packet_list_iter_nth_child(GtkTreeModel *tree_model, GtkTreeIter *iter,
|
|
GtkTreeIter *parent, gint n)
|
|
{
|
|
PacketListRecord *record;
|
|
PacketList *packet_list;
|
|
|
|
g_return_val_if_fail(PACKETLIST_IS_LIST(tree_model), FALSE);
|
|
packet_list = (PacketList *) tree_model;
|
|
|
|
/* A list only has top-level rows */
|
|
if(parent) {
|
|
g_return_val_if_fail(parent->stamp == packet_list->stamp, FALSE);
|
|
g_return_val_if_fail(parent->user_data, FALSE);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Special case: if parent == NULL, set iter to n-th top-level row. */
|
|
if(!PACKET_LIST_RECORD_INDEX_VALID(packet_list->visible_rows, n))
|
|
return FALSE;
|
|
|
|
record = PACKET_LIST_RECORD_GET(packet_list->visible_rows, n);
|
|
|
|
g_assert(record->visible_pos == n);
|
|
|
|
iter->stamp = packet_list->stamp;
|
|
iter->user_data = record;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
packet_list_iter_parent(GtkTreeModel *tree_model _U_, GtkTreeIter *iter _U_,
|
|
GtkTreeIter *child _U_)
|
|
{
|
|
return FALSE; /* No parents since no children in a list */
|
|
}
|
|
|
|
PacketList *
|
|
packet_list_new(void)
|
|
{
|
|
PacketList *newpacketlist;
|
|
|
|
newpacketlist = (PacketList*) g_object_new(PACKETLIST_TYPE_LIST, NULL);
|
|
|
|
g_assert(newpacketlist != NULL);
|
|
|
|
return newpacketlist;
|
|
}
|
|
|
|
#if 0
|
|
static void
|
|
packet_list_row_deleted(PacketList *packet_list, guint pos)
|
|
{
|
|
GtkTreePath *path;
|
|
|
|
/* Inform the tree view and other interested objects (such as tree row
|
|
* references) that we have deleted a row */
|
|
path = gtk_tree_path_new();
|
|
gtk_tree_path_append_index(path, pos);
|
|
|
|
gtk_tree_model_row_deleted(GTK_TREE_MODEL(packet_list), path);
|
|
|
|
gtk_tree_path_free(path);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
packet_list_store_clear(PacketList *packet_list)
|
|
{
|
|
g_return_if_fail(packet_list != NULL);
|
|
g_return_if_fail(PACKETLIST_IS_LIST(packet_list));
|
|
|
|
/* Don't issue a row_deleted signal. We rely on our caller to have disconnected
|
|
* the model from the view.
|
|
for( ; packet_list->num_rows > 0; --packet_list->num_rows)
|
|
packet_list_row_deleted(packet_list, packet_list->num_rows-1);
|
|
*/
|
|
|
|
/* XXX - hold on to these rows and reuse them instead */
|
|
if(packet_list->physical_rows)
|
|
g_ptr_array_free(packet_list->physical_rows, TRUE);
|
|
if(packet_list->visible_rows)
|
|
g_ptr_array_free(packet_list->visible_rows, TRUE);
|
|
packet_list->physical_rows = g_ptr_array_new();
|
|
packet_list->visible_rows = g_ptr_array_new();
|
|
|
|
packet_list->columnized = FALSE;
|
|
|
|
/* Generate new number */
|
|
packet_list->stamp = g_random_int();
|
|
|
|
#ifdef PACKET_LIST_STATISTICS
|
|
g_warning("Const strings: %u", packet_list->const_strings);
|
|
packet_list->const_strings = 0;
|
|
#endif
|
|
}
|
|
|
|
gint
|
|
packet_list_append_record(PacketList *packet_list, frame_data *fdata)
|
|
{
|
|
PacketListRecord *newrecord;
|
|
|
|
g_return_val_if_fail(PACKETLIST_IS_LIST(packet_list), -1);
|
|
|
|
newrecord = se_alloc(sizeof(PacketListRecord));
|
|
newrecord->columnized = FALSE;
|
|
newrecord->colorized = FALSE;
|
|
newrecord->col_text_len = se_alloc0(sizeof(*newrecord->col_text_len) * packet_list->n_text_cols);
|
|
newrecord->col_text = se_alloc0(sizeof(*newrecord->col_text) * packet_list->n_text_cols);
|
|
newrecord->fdata = fdata;
|
|
#ifdef PACKET_PARANOID_CHECKS
|
|
newrecord->physical_pos = PACKET_LIST_RECORD_COUNT(packet_list->physical_rows);
|
|
#endif
|
|
|
|
if (fdata->flags.passed_dfilter || fdata->flags.ref_time) {
|
|
newrecord->visible_pos = PACKET_LIST_RECORD_COUNT(packet_list->visible_rows);
|
|
PACKET_LIST_RECORD_APPEND(packet_list->visible_rows, newrecord);
|
|
}
|
|
else
|
|
newrecord->visible_pos = -1;
|
|
|
|
PACKET_LIST_RECORD_APPEND(packet_list->physical_rows, newrecord);
|
|
|
|
packet_list->columnized = FALSE; /* XXX, dissect? */
|
|
|
|
/*
|
|
* Issue a row_inserted signal if the model is connected
|
|
* and the row is visible.
|
|
*/
|
|
if (gtk_tree_view_get_model(GTK_TREE_VIEW(packet_list->view)) && newrecord->visible_pos != -1) {
|
|
GtkTreeIter iter;
|
|
GtkTreePath *path;
|
|
|
|
path = gtk_tree_path_new();
|
|
gtk_tree_path_append_index(path, newrecord->visible_pos);
|
|
|
|
iter.stamp = packet_list->stamp;
|
|
iter.user_data = newrecord;
|
|
|
|
gtk_tree_model_row_inserted(GTK_TREE_MODEL(packet_list), path, &iter);
|
|
gtk_tree_path_free(path);
|
|
}
|
|
|
|
/* XXXX If the model is connected and sort column != frame_num we should
|
|
* probably resort.
|
|
* Don't resort the list for every row, the list will be in packet order any way.
|
|
* packet_list_resort(packet_list);
|
|
*/
|
|
|
|
return newrecord->visible_pos;
|
|
}
|
|
|
|
static void
|
|
packet_list_change_record(PacketList *packet_list, PacketListRecord *record, gint col, column_info *cinfo)
|
|
{
|
|
gchar *str;
|
|
size_t col_text_len;
|
|
int text_col;
|
|
|
|
text_col = packet_list->col_to_text[col];
|
|
|
|
/* Column based on frame_data or it already contains a value */
|
|
if (text_col == -1 || record->col_text[text_col] != NULL)
|
|
return;
|
|
|
|
switch (cfile.cinfo.col_fmt[col]) {
|
|
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:
|
|
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->col_data[col] && cinfo->col_data[col] != cinfo->col_buf[col]) {
|
|
col_text_len = strlen(cinfo->col_data[col]);
|
|
if (col_text_len > G_MAXUSHORT)
|
|
col_text_len = G_MAXUSHORT;
|
|
|
|
/* This is a constant string, so we don't have to copy it */
|
|
record->col_text[text_col] = (gchar *) cinfo->col_data[col];
|
|
record->col_text_len[text_col] = (gushort) col_text_len;
|
|
#ifdef PACKET_LIST_STATISTICS
|
|
++packet_list->const_strings;
|
|
#endif
|
|
break;
|
|
}
|
|
/* !! FALL-THROUGH!! */
|
|
|
|
default:
|
|
col_text_len = strlen(cinfo->col_data[col]);
|
|
if (col_text_len > G_MAXUSHORT)
|
|
col_text_len = G_MAXUSHORT;
|
|
|
|
record->col_text_len[text_col] = (gushort) col_text_len;
|
|
if (!record->col_text_len[text_col]) {
|
|
record->col_text[text_col] = "";
|
|
#ifdef PACKET_LIST_STATISTICS
|
|
++packet_list->const_strings;
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
if(!packet_list->string_pool)
|
|
packet_list->string_pool = g_string_chunk_new(32);
|
|
if (!get_column_resolved (col) && cinfo->col_expr.col_expr_val[col]) {
|
|
/* Use the unresolved value in col_expr_val */
|
|
str = g_string_chunk_insert_const (packet_list->string_pool, (const gchar *)cinfo->col_expr.col_expr_val[col]);
|
|
} else {
|
|
str = g_string_chunk_insert_const (packet_list->string_pool, (const gchar *)cinfo->col_data[col]);
|
|
}
|
|
record->col_text[text_col] = str;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
packet_list_sortable_get_sort_column_id(GtkTreeSortable *sortable,
|
|
gint *sort_col_id,
|
|
GtkSortType *order)
|
|
{
|
|
PacketList *packet_list;
|
|
|
|
g_return_val_if_fail(sortable != NULL, FALSE);
|
|
g_return_val_if_fail(PACKETLIST_IS_LIST(sortable), FALSE);
|
|
|
|
packet_list = (PacketList *) sortable;
|
|
|
|
if(sort_col_id)
|
|
*sort_col_id = packet_list->sort_id;
|
|
|
|
if(order)
|
|
*order = packet_list->sort_order;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
packet_list_column_contains_values(PacketList *packet_list, gint sort_col_id)
|
|
{
|
|
if (packet_list->columnized || col_based_on_frame_data(&cfile.cinfo, sort_col_id))
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
/* packet_list_dissect_and_cache_all()
|
|
* returns:
|
|
* TRUE if columnization completed;
|
|
* packet_list->columnized set to TRUE;
|
|
* FALSE: columnization did not complete (i.e., was stopped by the user);
|
|
* packet_list->columnized unchanged (i.e., FALSE).
|
|
*/
|
|
|
|
static gboolean
|
|
packet_list_dissect_and_cache_all(PacketList *packet_list)
|
|
{
|
|
PacketListRecord *record;
|
|
|
|
int progbar_nextstep;
|
|
int progbar_quantum;
|
|
gboolean progbar_stop_flag;
|
|
GTimeVal progbar_start_time;
|
|
float progbar_val;
|
|
progdlg_t *progbar = NULL;
|
|
gchar progbar_status_str[100];
|
|
gint progbar_loop_max;
|
|
gint progbar_loop_var;
|
|
gint progbar_updates = 100 /* 100% */;
|
|
|
|
g_assert(packet_list->columnized == FALSE);
|
|
|
|
progbar_loop_max = PACKET_LIST_RECORD_COUNT(packet_list->physical_rows);
|
|
/* Update the progress bar when it gets to this value. */
|
|
progbar_nextstep = 0;
|
|
/* When we reach the value that triggers a progress bar update,
|
|
bump that value by this amount. */
|
|
progbar_quantum = progbar_loop_max/progbar_updates;
|
|
/* Progress so far. */
|
|
progbar_val = 0.0f;
|
|
|
|
progbar_stop_flag = FALSE;
|
|
g_get_current_time(&progbar_start_time);
|
|
|
|
main_window_update();
|
|
|
|
for (progbar_loop_var = 0; progbar_loop_var < progbar_loop_max; ++progbar_loop_var) {
|
|
record = PACKET_LIST_RECORD_GET(packet_list->physical_rows, progbar_loop_var);
|
|
packet_list_dissect_and_cache_record(packet_list, record, TRUE, FALSE);
|
|
|
|
/* Create the progress bar if necessary.
|
|
We check on every iteration of the loop, so that it takes no
|
|
longer than the standard time to create it (otherwise, for a
|
|
large file, we might take considerably longer than that standard
|
|
time in order to get to the next progress bar step). */
|
|
if (progbar == NULL)
|
|
/* Note: The following may call gtk_main_iteration() which will */
|
|
/* allow certain "interupts" to happen during this code. */
|
|
/* (Note that the progress_dlg window is set to "modal" */
|
|
/* so that clicking on other windows is disabled). */
|
|
progbar = delayed_create_progress_dlg(gtk_widget_get_window(packet_list->view),
|
|
"Construct", "Columns",
|
|
TRUE, &progbar_stop_flag,
|
|
&progbar_start_time, progbar_val);
|
|
|
|
if (progbar_loop_var >= progbar_nextstep) {
|
|
/* let's not divide by zero. We should never be started
|
|
* with count == 0, so let's assert that */
|
|
g_assert(progbar_loop_max > 0);
|
|
|
|
progbar_val = (gfloat) progbar_loop_var / progbar_loop_max;
|
|
|
|
if (progbar != NULL) {
|
|
g_snprintf(progbar_status_str, sizeof(progbar_status_str),
|
|
"%u of %u frames", progbar_loop_var+1, progbar_loop_max);
|
|
/* Note: See comment above re use of gtk_main_iteration() */
|
|
update_progress_dlg(progbar, progbar_val, progbar_status_str);
|
|
}
|
|
|
|
progbar_nextstep += progbar_quantum;
|
|
}
|
|
|
|
if (progbar_stop_flag) {
|
|
/* Well, the user decided to abort ... */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* We're done; destroy the progress bar if it was created. */
|
|
if (progbar != NULL)
|
|
destroy_progress_dlg(progbar);
|
|
|
|
if (progbar_stop_flag) {
|
|
return FALSE; /* user aborted before columnization completed */
|
|
}
|
|
|
|
packet_list->columnized = TRUE;
|
|
return TRUE;
|
|
}
|
|
|
|
/* packet_list_do_packet_list_dissect_and_cache_all()
|
|
* returns:
|
|
* TRUE: if columnization not needed or columnization completed;
|
|
* FALSE: columnization did not complete (i.e., stopped by the user)
|
|
*/
|
|
gboolean
|
|
packet_list_do_packet_list_dissect_and_cache_all(PacketList *packet_list, gint sort_col_id)
|
|
{
|
|
if (!packet_list_column_contains_values(packet_list, sort_col_id)) {
|
|
return packet_list_dissect_and_cache_all(packet_list);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
packet_list_sortable_set_sort_column_id(GtkTreeSortable *sortable,
|
|
gint sort_col_id,
|
|
GtkSortType order)
|
|
{
|
|
PacketList *packet_list;
|
|
|
|
g_return_if_fail(sortable != NULL);
|
|
g_return_if_fail(PACKETLIST_IS_LIST(sortable));
|
|
|
|
packet_list = (PacketList *) sortable;
|
|
|
|
if(packet_list->sort_id == sort_col_id &&
|
|
packet_list->sort_order == order)
|
|
return;
|
|
|
|
packet_list->sort_id = sort_col_id;
|
|
packet_list->sort_order = order;
|
|
|
|
if(PACKET_LIST_RECORD_COUNT(packet_list->physical_rows) == 0)
|
|
return;
|
|
|
|
packet_list_resort(packet_list);
|
|
|
|
/* emit "sort-column-changed" signal to tell any tree views
|
|
* that the sort column has changed (so the little arrow
|
|
* in the column header of the sort column is drawn
|
|
* in the right column) */
|
|
|
|
gtk_tree_sortable_sort_column_changed(sortable);
|
|
}
|
|
|
|
static void
|
|
packet_list_sortable_set_sort_func(GtkTreeSortable *sortable _U_,
|
|
gint sort_col_id _U_,
|
|
GtkTreeIterCompareFunc sort_func _U_,
|
|
gpointer user_data _U_,
|
|
GDestroyNotify destroy_func _U_)
|
|
{
|
|
g_warning(G_STRLOC ": is not supported by the PacketList model.\n");
|
|
}
|
|
|
|
static void
|
|
packet_list_sortable_set_default_sort_func(GtkTreeSortable *sortable _U_,
|
|
GtkTreeIterCompareFunc sort_func _U_,
|
|
gpointer user_data _U_,
|
|
GDestroyNotify destroy_func _U_)
|
|
{
|
|
g_warning(G_STRLOC ": is not supported by the PacketList model.\n");
|
|
}
|
|
|
|
static gboolean
|
|
packet_list_sortable_has_default_sort_func(GtkTreeSortable *sortable _U_)
|
|
{
|
|
return FALSE; /* Since packet_list_sortable_set_sort_func and
|
|
set_default_sort_func are not implemented. */
|
|
}
|
|
|
|
static gint
|
|
packet_list_compare_custom(gint sort_id, gint text_sort_id, PacketListRecord *a, PacketListRecord *b)
|
|
{
|
|
header_field_info *hfi;
|
|
|
|
hfi = proto_registrar_get_byname(cfile.cinfo.col_custom_field[sort_id]);
|
|
|
|
if (hfi == NULL) {
|
|
return frame_data_compare(a->fdata, b->fdata, COL_NUMBER);
|
|
} else if ((hfi->strings == NULL) &&
|
|
(((IS_FT_INT(hfi->type) || IS_FT_UINT(hfi->type)) &&
|
|
((hfi->display == BASE_DEC) || (hfi->display == BASE_DEC_HEX) ||
|
|
(hfi->display == BASE_OCT))) ||
|
|
(hfi->type == FT_DOUBLE) || (hfi->type == FT_FLOAT) ||
|
|
(hfi->type == FT_BOOLEAN) || (hfi->type == FT_FRAMENUM) ||
|
|
(hfi->type == FT_RELATIVE_TIME)))
|
|
{
|
|
/* Attempt to convert to numbers */
|
|
double num_a = atof(a->col_text[text_sort_id]);
|
|
double num_b = atof(b->col_text[text_sort_id]);
|
|
|
|
if (num_a < num_b)
|
|
return -1;
|
|
else if (num_a > num_b)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
return strcmp(a->col_text[text_sort_id], b->col_text[text_sort_id]);
|
|
}
|
|
|
|
static gint
|
|
_packet_list_compare_records(gint sort_id, gint text_sort_id, PacketListRecord *a, PacketListRecord *b)
|
|
{
|
|
g_assert(a->col_text);
|
|
g_assert(b->col_text);
|
|
g_assert(a->col_text[text_sort_id]);
|
|
g_assert(b->col_text[text_sort_id]);
|
|
|
|
if(a->col_text[text_sort_id] == b->col_text[text_sort_id])
|
|
return 0; /* no need to call strcmp() */
|
|
|
|
if (cfile.cinfo.col_fmt[sort_id] == COL_CUSTOM)
|
|
return packet_list_compare_custom(sort_id, text_sort_id, a, b);
|
|
|
|
return strcmp(a->col_text[text_sort_id], b->col_text[text_sort_id]);
|
|
}
|
|
|
|
static gint
|
|
packet_list_compare_records(gint sort_id, gint text_sort_id, PacketListRecord *a, PacketListRecord *b)
|
|
{
|
|
gint ret;
|
|
|
|
if (text_sort_id == -1) /* based on frame_data ? */
|
|
return frame_data_compare(a->fdata, b->fdata, cfile.cinfo.col_fmt[sort_id]);
|
|
|
|
ret = _packet_list_compare_records(sort_id, text_sort_id, a, b);
|
|
if (ret == 0)
|
|
ret = frame_data_compare(a->fdata, b->fdata, COL_NUMBER);
|
|
return ret;
|
|
}
|
|
|
|
static gint
|
|
packet_list_qsort_physical_compare_func(PacketListRecord **a, PacketListRecord **b,
|
|
PacketList *packet_list)
|
|
{
|
|
gint ret;
|
|
gint sort_id = packet_list->sort_id;
|
|
|
|
g_assert((a) && (b) && (packet_list));
|
|
|
|
ret = packet_list_compare_records(sort_id, packet_list->col_to_text[sort_id], *a, *b);
|
|
|
|
/* Swap -1 and 1 if sort order is reverse */
|
|
if(ret != 0 && packet_list->sort_order == GTK_SORT_DESCENDING)
|
|
ret = (ret < 0) ? 1 : -1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
packet_list_resort(PacketList *packet_list)
|
|
{
|
|
PacketListRecord *record;
|
|
GtkTreePath *path;
|
|
gint *neworder;
|
|
guint phy_idx;
|
|
guint vis_idx;
|
|
|
|
g_return_if_fail(packet_list != NULL);
|
|
g_return_if_fail(PACKETLIST_IS_LIST(packet_list));
|
|
|
|
if(PACKET_LIST_RECORD_COUNT(packet_list->visible_rows) == 0)
|
|
return;
|
|
|
|
/* resort physical rows according to sorting column */
|
|
g_ptr_array_sort_with_data(packet_list->physical_rows,
|
|
(GCompareDataFunc) packet_list_qsort_physical_compare_func,
|
|
packet_list);
|
|
|
|
/* let other objects know about the new order */
|
|
neworder = g_new0(gint, PACKET_LIST_RECORD_COUNT(packet_list->visible_rows));
|
|
|
|
for(phy_idx = 0, vis_idx = 0; phy_idx < PACKET_LIST_RECORD_COUNT(packet_list->physical_rows); ++phy_idx) {
|
|
record = PACKET_LIST_RECORD_GET(packet_list->physical_rows, phy_idx);
|
|
#ifdef PACKET_PARANOID_CHECKS
|
|
record->physical_pos = phy_idx;
|
|
#endif
|
|
g_assert(record->visible_pos >= -1);
|
|
if (record->visible_pos >= 0) {
|
|
g_assert(record->fdata->flags.passed_dfilter || record->fdata->flags.ref_time);
|
|
neworder[vis_idx] = record->visible_pos;
|
|
PACKET_LIST_RECORD_SET(packet_list->visible_rows, vis_idx, record);
|
|
record->visible_pos = vis_idx;
|
|
++vis_idx;
|
|
}
|
|
}
|
|
|
|
g_assert(vis_idx == PACKET_LIST_RECORD_COUNT(packet_list->visible_rows));
|
|
|
|
path = gtk_tree_path_new();
|
|
|
|
gtk_tree_model_rows_reordered(GTK_TREE_MODEL(packet_list), path, NULL,
|
|
neworder);
|
|
|
|
gtk_tree_path_free(path);
|
|
g_free(neworder);
|
|
}
|
|
|
|
guint
|
|
packet_list_recreate_visible_rows_list(PacketList *packet_list)
|
|
{
|
|
guint phy_idx;
|
|
guint vis_idx;
|
|
PacketListRecord *record;
|
|
|
|
g_return_val_if_fail(packet_list != NULL, 0);
|
|
g_return_val_if_fail(PACKETLIST_IS_LIST(packet_list), 0);
|
|
|
|
if(PACKET_LIST_RECORD_COUNT(packet_list->physical_rows) == 0)
|
|
return 0;
|
|
|
|
if(packet_list->visible_rows)
|
|
g_ptr_array_free(packet_list->visible_rows, TRUE);
|
|
|
|
packet_list->visible_rows = g_ptr_array_new();
|
|
|
|
for(phy_idx = 0, vis_idx = 0; phy_idx < PACKET_LIST_RECORD_COUNT(packet_list->physical_rows); ++phy_idx) {
|
|
record = PACKET_LIST_RECORD_GET(packet_list->physical_rows, phy_idx);
|
|
if (record->fdata->flags.passed_dfilter || record->fdata->flags.ref_time) {
|
|
record->visible_pos = vis_idx++;
|
|
PACKET_LIST_RECORD_APPEND(packet_list->visible_rows, record);
|
|
}
|
|
else
|
|
record->visible_pos = -1;
|
|
}
|
|
|
|
return vis_idx;
|
|
}
|
|
|
|
static void
|
|
packet_list_dissect_and_cache_record(PacketList *packet_list, PacketListRecord *record, gboolean dissect_columns, gboolean dissect_color)
|
|
{
|
|
epan_dissect_t edt;
|
|
frame_data *fdata;
|
|
column_info *cinfo;
|
|
gint col;
|
|
gboolean create_proto_tree;
|
|
union wtap_pseudo_header pseudo_header; /* Packet pseudo_header */
|
|
guint8 pd[WTAP_MAX_PACKET_SIZE]; /* Packet data */
|
|
|
|
g_return_if_fail(packet_list);
|
|
g_return_if_fail(PACKETLIST_IS_LIST(packet_list));
|
|
|
|
g_assert((record->col_text != NULL)&&(record->col_text_len != NULL));
|
|
|
|
/* XXX: Does it work to check if the record is already columnized/colorized ?
|
|
* i.e.: test record->columnized and record->colorized and just return
|
|
* if they're both TRUE.
|
|
* Note: Part of the patch submitted with Bug #4273 had code to do this but it
|
|
* was commented out in the patch and was not included in SVN #33011.
|
|
*/
|
|
fdata = record->fdata;
|
|
|
|
if (dissect_columns)
|
|
cinfo = &cfile.cinfo;
|
|
else
|
|
cinfo = NULL;
|
|
|
|
if (!cf_read_frame_r(&cfile, fdata, &pseudo_header, pd)) {
|
|
/*
|
|
* Error reading the frame.
|
|
*
|
|
* 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 */);
|
|
|
|
for(col = 0; col < cinfo->num_cols; ++col)
|
|
packet_list_change_record(packet_list, record, col, cinfo);
|
|
record->columnized = TRUE;
|
|
}
|
|
if (dissect_color) {
|
|
fdata->color_filter = NULL;
|
|
record->colorized = TRUE;
|
|
}
|
|
return; /* error reading the frame */
|
|
}
|
|
|
|
create_proto_tree = (dissect_color && color_filters_used()) ||
|
|
(dissect_columns && have_custom_cols(cinfo));
|
|
|
|
epan_dissect_init(&edt,
|
|
create_proto_tree,
|
|
FALSE /* proto_tree_visible */);
|
|
|
|
if (dissect_color)
|
|
color_filters_prime_edt(&edt);
|
|
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, &pseudo_header, pd, fdata, cinfo);
|
|
|
|
if (dissect_color)
|
|
fdata->color_filter = color_filters_colorize_packet(&edt);
|
|
|
|
if (dissect_columns) {
|
|
/* "Stringify" non frame_data vals */
|
|
epan_dissect_fill_in_columns(&edt, FALSE, FALSE /* fill_fd_columns */);
|
|
|
|
for(col = 0; col < cinfo->num_cols; ++col)
|
|
packet_list_change_record(packet_list, record, col, cinfo);
|
|
}
|
|
|
|
if (dissect_columns)
|
|
record->columnized = TRUE;
|
|
if (dissect_color)
|
|
record->colorized = TRUE;
|
|
|
|
epan_dissect_cleanup(&edt);
|
|
}
|
|
|
|
void
|
|
packet_list_reset_colorized(PacketList *packet_list)
|
|
{
|
|
PacketListRecord *record;
|
|
guint i;
|
|
|
|
for(i = 0; i < PACKET_LIST_RECORD_COUNT(packet_list->physical_rows); ++i) {
|
|
record = PACKET_LIST_RECORD_GET(packet_list->physical_rows, i);
|
|
record->colorized = FALSE;
|
|
}
|
|
}
|
|
|
|
const char*
|
|
packet_list_get_widest_column_string(PacketList *packet_list, gint col)
|
|
{
|
|
int text_col;
|
|
|
|
g_return_val_if_fail(packet_list != NULL, NULL);
|
|
g_return_val_if_fail(PACKETLIST_IS_LIST(packet_list), NULL);
|
|
/* We need real column here, so not packet_list->n_cols+1 */
|
|
g_return_val_if_fail(col >= 0 && col < packet_list->n_cols, NULL);
|
|
|
|
if (PACKET_LIST_RECORD_COUNT(packet_list->visible_rows) == 0)
|
|
return "";
|
|
|
|
text_col = packet_list->col_to_text[col];
|
|
|
|
if (text_col == -1) { /* column based on frame data */
|
|
PacketListRecord *record;
|
|
guint vis_idx;
|
|
|
|
guint widest_packet = 0;
|
|
gint widest_column_len = -1;
|
|
|
|
for(vis_idx = 0; vis_idx < PACKET_LIST_RECORD_COUNT(packet_list->visible_rows); ++vis_idx) {
|
|
gint column_len;
|
|
|
|
record = PACKET_LIST_RECORD_GET(packet_list->visible_rows, vis_idx);
|
|
|
|
col_fill_in_frame_data(record->fdata, &cfile.cinfo, col, FALSE);
|
|
column_len = (gint) strlen(cfile.cinfo.col_buf[col]);
|
|
if (column_len > widest_column_len) {
|
|
widest_column_len = column_len;
|
|
widest_packet = vis_idx;
|
|
}
|
|
}
|
|
|
|
if (widest_column_len != -1) {
|
|
record = PACKET_LIST_RECORD_GET(packet_list->visible_rows, widest_packet);
|
|
col_fill_in_frame_data(record->fdata, &cfile.cinfo, col, FALSE);
|
|
|
|
return cfile.cinfo.col_buf[col];
|
|
} else
|
|
return "";
|
|
}
|
|
else {
|
|
PacketListRecord *record;
|
|
guint vis_idx;
|
|
|
|
gchar *widest_column_str = NULL;
|
|
guint widest_column_len = 0;
|
|
|
|
if (!packet_list->columnized)
|
|
packet_list_dissect_and_cache_all(packet_list); /* XXX: need to handle case of "incomplete" ? */
|
|
|
|
for(vis_idx = 0; vis_idx < PACKET_LIST_RECORD_COUNT(packet_list->visible_rows); ++vis_idx) {
|
|
record = PACKET_LIST_RECORD_GET(packet_list->visible_rows, vis_idx);
|
|
if (record->col_text_len[text_col] > widest_column_len) {
|
|
widest_column_str = record->col_text[text_col];
|
|
widest_column_len = record->col_text_len[text_col];
|
|
}
|
|
}
|
|
|
|
return widest_column_str;
|
|
}
|
|
}
|