--- /dev/null
+/* compare_stat.c
+ * Compare two capture files
+ * Copyright 2008 Vincenzo Condoleo, Christophe Dirac, Reto Ruoss
+ * supported by HSR (Hochschule Rapperswil)
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 0F111-1307, USA.
+ */
+
+/* This module provides statistics about two merged capture files, to find packet loss,
+ * time delay, ip header checksum errors and order check.
+ * It's also detecting the matching regions of the different files.
+ * After the coloring is set Info column can be sorted to create zebra effect.
+ *
+ * The packets are compared by the ip id. MAC or TTL is used to distinct the different files.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <string.h>
+#include <math.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+
+#include <epan/packet_info.h>
+#include <epan/epan.h>
+#include <epan/epan_dissect.h>
+#include <epan/stat_cmd_args.h>
+#include <epan/to_str.h>
+#include <epan/tap.h>
+#include <epan/emem.h>
+#include <epan/packet.h>
+#include <epan/report_err.h>
+#include <epan/dissectors/packet-ip.h>
+#include <epan/nstime.h>
+#include <epan/in_cksum.h>
+
+#include "../stat_menu.h"
+#include "../globals.h"
+#include "../simple_dialog.h"
+#include "../timestats.h"
+
+#include "gtk/gui_stat_menu.h"
+#include "gtk/stock_icons.h"
+
+
+#include "gui_utils.h"
+#include "dlg_utils.h"
+#include "register.h"
+#include "main.h"
+#include "filter_dlg.h"
+#include "service_response_time_table.h"
+#include "gtkglobals.h"
+#include "gui_utils.h"
+#include "globals.h"
+
+/* Color settings */
+#include "color.h"
+#include "color_filters.h"
+#include "color_dlg.h"
+
+/* From colorize convertion */
+#define COLOR_N 1
+
+/* For checksum */
+#define BYTES 8
+#define WRONG_CHKSUM 0
+
+#define MERGED_FILES 2
+
+#define TTL_SEARCH 5
+
+
+
+/* information which are needed for the display */
+typedef struct _for_gui {
+ guint count;
+ guint16 cksum;
+ nstime_t predecessor_time;
+ struct _frame_info *partner;
+} for_gui;
+
+/* each tracked packet */
+typedef struct _frame_info {
+ for_gui *fg;
+ column_info *cinfo;
+ guint32 num;
+ guint16 id;
+ guint8 ip_ttl;
+ address dl_dst;
+ nstime_t abs_ts, zebra_time, delta;
+} frame_info;
+
+/* used to keep track of the statistics for an entire program interface */
+typedef struct _compstat_t {
+ GtkWidget *win, *treeview, *scrolled_win, *statis_label;
+ GtkTreeStore *simple_list;
+ GtkTreeIter iter, child;
+ emem_tree_t *packet_tree, *ip_id_tree, *nr_tree;
+ address eth_dst, eth_src;
+ nstime_t zebra_time, current_time;
+ timestat_t stats;
+ GArray *ip_ttl_list;
+ gboolean last_hit;
+ guint32 start_ongoing_hits, stop_ongoing_hits, start_packet_nr_first, start_packet_nr_second, stop_packet_nr_first, stop_packet_nr_second;
+ guint32 first_file_amount, second_file_amount;
+} compstat_t;
+
+/* column numbers */
+enum
+{
+ IP_ID=0,
+ PROBLEM,
+ COUNT,
+ DELTA,
+ COLUMNS
+};
+
+/* only one compare window should be open */
+static gboolean first_window=TRUE;
+
+/* allowed variace */
+static GtkWidget *spin_var_int=NULL;
+
+/* start/stop compare */
+static GtkWidget *spin_start_int, *spin_stop_int;
+
+/* to call directly _init */
+static gdouble compare_variance=0.0;
+static guint8 compare_start, compare_stop;
+static gboolean TTL_method=TRUE, ON_method=TRUE;
+static GtkWidget *radio_TTL, *radio_ON;
+
+static void
+comparestat_set_title(compstat_t *cs)
+{
+ char *title;
+
+ title=g_strdup_printf("Compare two capture files: %s", cf_get_display_name(&cfile));
+ gtk_window_set_title(GTK_WINDOW(cs->win), title);
+ g_free(title);
+}
+
+/* called when new capture starts, when it rescans the packetlist after some prefs have
+ * changed
+ */
+static void
+comparestat_reset(void *arg)
+{
+ compstat_t *cs=arg;
+
+ SET_ADDRESS(&cs->eth_src, AT_ETHER, 0, NULL);
+ SET_ADDRESS(&cs->eth_dst, AT_ETHER, 0, NULL);
+
+ gtk_tree_store_clear(cs->simple_list);
+ comparestat_set_title(cs);
+}
+
+/* This callback is invoked whenever the tap system has seen a packet
+ * we might be interested in.
+ * function returns :
+ * 0: no updates, no need to call (*draw) later
+ * !0: state has changed, call (*draw) sometime later
+ */
+static int
+comparestat_packet(void *arg, packet_info *pinfo, epan_dissect_t *edt _U_, const void *arg2)
+{
+ compstat_t *cs=arg;
+ const ws_ip *ci=arg2;
+ frame_info *fInfo, *fInfoTemp;
+ vec_t cksum_vec[3];
+ guint16 computed_cksum=0;
+
+ /* so this get filled, usually with the first frame */
+ if(cs->eth_dst.len==0) {
+ cs->eth_dst=pinfo->dl_dst;
+ cs->eth_src=pinfo->dl_src;
+ }
+
+ /* Set up the fields of the pseudo-header and create checksum */
+ cksum_vec[0].ptr=&ci->ip_v_hl;
+ cksum_vec[0].len=BYTES;
+ /* skip TTL */
+ cksum_vec[1].ptr=&ci->ip_p;
+ cksum_vec[1].len=1;
+ /* skip header checksum and ip's (because of NAT)*/
+ cksum_vec[2].ptr=ci->ip_dst.data;
+ cksum_vec[2].ptr=cksum_vec[2].ptr+ci->ip_dst.len;
+ /* dynamic computation */
+ cksum_vec[2].len=pinfo->iphdrlen-20;
+ computed_cksum=in_cksum(&cksum_vec[0], 3);
+
+ /* Set up the new order to create the zebra effect */
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, pinfo->fd->num);
+ if(check_col(pinfo->cinfo, COL_INFO)&&(fInfoTemp!=NULL)){
+ col_set_time(pinfo->cinfo, COL_INFO, &fInfoTemp->zebra_time, "ZebraTime");
+ }
+
+ /* collect all packet infos */
+ fInfo=(frame_info*)se_alloc(sizeof(frame_info));
+ fInfo->fg=(for_gui*)se_alloc(sizeof(for_gui));
+ fInfo->fg->partner=NULL;
+ fInfo->fg->count=1;
+ fInfo->fg->cksum=computed_cksum;
+ fInfo->num=pinfo->fd->num;
+ fInfo->id=ci->ip_id;
+ fInfo->ip_ttl=ci->ip_ttl;
+ fInfo->dl_dst=pinfo->dl_dst;
+ fInfo->abs_ts=pinfo->fd->abs_ts;
+ /* clean memory */
+ nstime_set_zero(&fInfo->zebra_time);
+ nstime_set_zero(&fInfo->fg->predecessor_time);
+ se_tree_insert32(cs->packet_tree, pinfo->fd->num, fInfo);
+
+ if(cf_get_packet_count(&cfile)==abs(fInfo->num)){
+ nstime_set_unset(&cs->current_time);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+/* Find equal packets, same IP-Id, count them and make time statistics */
+static gboolean
+call_foreach_count_ip_id(gpointer value, gpointer arg)
+{
+ compstat_t *cs=(compstat_t*)arg;
+ frame_info *fInfo=(frame_info*)value, *fInfoTemp;
+ nstime_t delta;
+ guint i;
+
+ /* we only need one value out of pinfo we use a temp one */
+ packet_info *pinfo=(packet_info*)ep_alloc(sizeof(packet_info));
+ pinfo->fd=(frame_data*)ep_alloc(sizeof(frame_data));
+ pinfo->fd->num = fInfo->num;
+
+ fInfoTemp=se_tree_lookup32(cs->ip_id_tree, fInfo->id);
+ if(fInfoTemp==NULL){
+ /* Detect ongoing package loss */
+ if((cs->last_hit==FALSE)&&(cs->start_ongoing_hits>compare_start)&&(cs->stop_ongoing_hits<compare_stop)){
+ cs->stop_ongoing_hits++;
+ cs->stop_packet_nr_first=fInfo->num;
+ } else if(cs->stop_ongoing_hits<compare_stop){
+ cs->stop_ongoing_hits=0;
+ cs->stop_packet_nr_first=G_MAXINT32;
+ }
+ cs->last_hit=FALSE;
+
+ fInfo->fg->count=1;
+ se_tree_insert32(cs->ip_id_tree, fInfo->id, fInfo);
+ } else {
+ /* Detect ongoing package hits, special behavior if start is set to 0 */
+ if((cs->last_hit||(compare_start==0))&&(cs->start_ongoing_hits<compare_start||(compare_start==0))){
+ if((compare_start==0)&&(cs->start_ongoing_hits!=0)){
+ /* start from the first packet so allready set */
+ } else {
+ cs->start_ongoing_hits++;
+ /* Take the lower number */
+ cs->start_packet_nr_first=fInfoTemp->num;
+ cs->start_packet_nr_second=fInfo->num;
+ }
+ } else if(cs->start_ongoing_hits<compare_start){
+ cs->start_ongoing_hits=0;
+ cs->start_packet_nr_first=G_MAXINT32;
+ }
+ cs->last_hit=TRUE;
+
+ fInfo->fg->count=fInfoTemp->fg->count + 1;
+ if(fInfoTemp->fg->cksum!=fInfo->fg->cksum){
+ fInfo->fg->cksum=WRONG_CHKSUM;
+ fInfoTemp->fg->cksum=WRONG_CHKSUM;
+ }
+ /* Add partner */
+ fInfo->fg->partner=fInfoTemp;
+ /* Create time statistic */
+ if(fInfo->fg->count==MERGED_FILES){
+ nstime_delta(&delta, &fInfo->abs_ts, &fInfoTemp->abs_ts);
+ /* Set delta in both packets */
+ nstime_set_zero(&fInfoTemp->delta);
+ nstime_add(&fInfoTemp->delta, &delta);
+ nstime_set_zero(&fInfo->delta);
+ nstime_add(&fInfo->delta, &delta);
+ time_stat_update(&cs->stats, &delta, pinfo);
+ }
+ se_tree_insert32(cs->ip_id_tree, fInfo->id, fInfo);
+ }
+
+ /* collect TTL's */
+ if(TTL_method && (fInfo->num<TTL_SEARCH)){
+ for(i=0; i < cs->ip_ttl_list->len; i++){
+ if(g_array_index(cs->ip_ttl_list, guint8, i) == fInfo->ip_ttl){
+ return FALSE;
+ }
+ }
+ g_array_append_val(cs->ip_ttl_list, fInfo->ip_ttl);
+ }
+
+ return FALSE;
+}
+
+/*Create new numbering in the Info column, to create a zebra effect */
+static gboolean
+call_foreach_new_order(gpointer value, gpointer arg)
+{
+ compstat_t *cs=(compstat_t*)arg;
+ frame_info *fInfo=(frame_info*)value, *fInfoTemp;
+
+ /* overwrite Info column for new ordering */
+ fInfoTemp=se_tree_lookup32(cs->nr_tree, fInfo->id);
+ if(fInfoTemp==NULL){
+ if(TTL_method==FALSE){
+ if((ADDRESSES_EQUAL(&cs->eth_dst, &fInfo->dl_dst)) || (ADDRESSES_EQUAL(&cs->eth_src, &fInfo->dl_dst))){
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs + MERGED_FILES;
+ } else {
+ cs->zebra_time.nsecs++;
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs++;
+ }
+ } else {
+ if((g_array_index(cs->ip_ttl_list, guint8, 0)==fInfo->ip_ttl) || (g_array_index(cs->ip_ttl_list, guint8, 1)==fInfo->ip_ttl)){
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs + MERGED_FILES;
+ } else {
+ cs->zebra_time.nsecs++;
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs++;
+ }
+
+ }
+ } else {
+ if(TTL_method==FALSE){
+ if(((ADDRESSES_EQUAL(&cs->eth_dst, &fInfo->dl_dst)) || (ADDRESSES_EQUAL(&cs->eth_src, &fInfo->dl_dst)))&&(!fmod(fInfoTemp->zebra_time.nsecs,MERGED_FILES))){
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs;
+ } else {
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs+1;
+ }
+ } else {
+ if(((g_array_index(cs->ip_ttl_list, guint8, 0)==fInfo->ip_ttl) || (g_array_index(cs->ip_ttl_list, guint8, 1)==fInfo->ip_ttl))&&(!fmod(fInfoTemp->zebra_time.nsecs,MERGED_FILES))){
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs;
+ } else {
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs+1;
+ }
+ }
+ }
+
+ /* count packets of file */
+ if(fmod(fInfo->zebra_time.nsecs, MERGED_FILES)){
+ cs->first_file_amount++;
+ } else {
+ cs->second_file_amount++;
+ }
+
+ /* ordering */
+ if(!nstime_is_unset(&cs->current_time)){
+ fInfo->fg->predecessor_time.nsecs=cs->current_time.nsecs;
+ }
+
+ cs->current_time.nsecs=fInfo->zebra_time.nsecs;
+
+ return FALSE;
+}
+
+/* calculate scopes if not set yet */
+static gboolean
+call_foreach_merge_settings(gpointer value, gpointer arg)
+{
+ compstat_t *cs=(compstat_t*)arg;
+ frame_info *fInfo=(frame_info*)value, *fInfoTemp=NULL;
+ guint32 tot_packet_amount=cs->first_file_amount+cs->second_file_amount, swap;
+
+ if((fInfo->num==tot_packet_amount)&&(cs->stop_packet_nr_first!=G_MAXINT32)){
+ /* calculate missing stop number */
+ swap=cs->stop_packet_nr_first;
+ cs->stop_packet_nr_first=tot_packet_amount-cs->second_file_amount;;
+ cs->stop_packet_nr_second=swap;
+ }
+
+ if((fInfo->num==tot_packet_amount)&&(cs->stop_packet_nr_first==G_MAXINT32)&&(cs->start_packet_nr_first!=G_MAXINT32)){
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->start_packet_nr_first);
+ if(fInfoTemp==NULL){
+ fprintf(stderr,"ERROR: start number not set correctly\n");
+ }
+ if(fmod(fInfoTemp->zebra_time.nsecs, 2)){
+ /*first file*/
+ cs->stop_packet_nr_first=cs->start_packet_nr_first+abs(cs->second_file_amount-(cs->start_packet_nr_second-cs->first_file_amount));
+ if(cs->stop_packet_nr_first>(tot_packet_amount-cs->second_file_amount)){
+ cs->stop_packet_nr_first=tot_packet_amount-cs->second_file_amount;
+ }
+ /*this only happens if we have too many MAC's or TTL*/
+ if(cs->stop_packet_nr_first>cs->start_packet_nr_second){
+ cs->stop_packet_nr_first=cs->start_packet_nr_second-1;
+ }
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ while((fInfoTemp!=NULL)?fmod(!fInfoTemp->zebra_time.nsecs, 2):TRUE){
+ cs->stop_packet_nr_first--;
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ }
+ } else {
+ /*this only happens if we have too many MAC's or TTL*/
+ cs->stop_packet_nr_first=cs->first_file_amount+cs->start_packet_nr_first;
+ if(cs->stop_packet_nr_first>tot_packet_amount-cs->first_file_amount){
+ cs->stop_packet_nr_first=tot_packet_amount-cs->first_file_amount;
+ }
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ while((fInfoTemp!=NULL)?fmod(fInfoTemp->zebra_time.nsecs, 2):TRUE){
+ cs->stop_packet_nr_first--;
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ }
+ }
+ /* set second stop location */
+ cs->stop_packet_nr_second=cs->start_packet_nr_second+abs(cs->stop_packet_nr_first-cs->start_packet_nr_first);
+ if(cs->stop_packet_nr_second>tot_packet_amount){
+ cs->stop_packet_nr_second=tot_packet_amount;
+ }
+ }
+
+ /* no start found */
+ if(fInfo->num==tot_packet_amount&&compare_start!=0&&compare_stop!=0){
+ if(cs->start_packet_nr_first==G_MAXINT32){
+ report_failure("Start point couldn't be set, choose a lower compare start");
+ }
+ }
+
+ return FALSE;
+}
+
+
+/* build gtk-tree of lost, delayed, checksum error and wrong order Packets*/
+static gboolean
+call_foreach_print_ip_tree(gpointer value, gpointer user_data)
+{
+ frame_info *fInfo=(frame_info*)value;
+ compstat_t *cs=(compstat_t*)user_data;
+ gdouble delta, average;
+ gboolean show_it=FALSE;
+
+ delta=fabs(get_average(&fInfo->delta,1));
+ average=fabs(get_average(&cs->stats.tot, cs->stats.num));
+
+ /* special case if both are set to zero ignore start and stop numbering */
+ if(compare_start!=0&&compare_stop!=0){
+ /* check out if packet is in searched scope */
+ if((cs->start_packet_nr_first<fInfo->num)&&(cs->stop_packet_nr_first>fInfo->num)){
+ show_it=TRUE;
+ } else {
+ /* so we won't miss the other file */
+ if((fInfo->num>cs->start_packet_nr_second)&&(fInfo->num<cs->stop_packet_nr_second)){
+ show_it=TRUE;
+ }
+ }
+ } else {
+ show_it=TRUE;
+ }
+
+ /* Create the gtk tree */
+ if(show_it){
+ if((fInfo->fg->count<MERGED_FILES)){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, NULL);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, IP_ID, fInfo->id, PROBLEM, "Packet lost", COUNT, fInfo->fg->count, DELTA, 0.0, -1);
+ }
+
+ if(fInfo->fg->count > MERGED_FILES){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, NULL);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, IP_ID, fInfo->id, PROBLEM, "More than two packets", COUNT, fInfo->fg->count, DELTA, 0.0, -1);
+ if(fInfo->fg->cksum == WRONG_CHKSUM) {
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, &cs->iter);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, IP_ID, fInfo->id, PROBLEM, "Checksum error over IP header", COUNT, fInfo->fg->count, DELTA, 0.0, -1);
+ }
+ }
+ if(fInfo->fg->count == MERGED_FILES){
+ if(fInfo->fg->cksum == WRONG_CHKSUM) {
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, NULL);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, IP_ID, fInfo->id, PROBLEM, "Checksum error over IP header", COUNT, fInfo->fg->count, DELTA, delta, -1);
+ if(((delta < (average-cs->stats.variance)) || (delta > (average+cs->stats.variance))) && (delta > 0.0) && (cs->stats.variance!=0)){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, &cs->iter);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, IP_ID, fInfo->id, PROBLEM, "Not arrived in time", COUNT, fInfo->fg->count, DELTA, delta, -1);
+ }
+ if((nstime_cmp(&fInfo->fg->predecessor_time, &fInfo->zebra_time)>0||nstime_cmp(&fInfo->fg->partner->fg->predecessor_time, &fInfo->fg->partner->zebra_time)>0) && (fInfo->zebra_time.nsecs!=MERGED_FILES) && ON_method){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, &cs->iter);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, IP_ID, fInfo->id, PROBLEM, "Not correct order", COUNT, fInfo->fg->count, DELTA, delta, -1);
+ }
+ } else if(((delta < (average-cs->stats.variance)) || (delta > (average+cs->stats.variance))) && (delta > 0.0) && (cs->stats.variance!=0)) {
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, NULL);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, IP_ID, fInfo->id, PROBLEM, "Not arrived in time", COUNT, fInfo->fg->count, DELTA, delta, -1);
+ if((nstime_cmp(&fInfo->fg->predecessor_time, &fInfo->zebra_time)>0||nstime_cmp(&fInfo->fg->partner->fg->predecessor_time, &fInfo->fg->partner->zebra_time)>0) && fInfo->zebra_time.nsecs != MERGED_FILES && ON_method){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, &cs->iter);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->child, IP_ID, fInfo->id, PROBLEM, "Not correct order", COUNT, fInfo->fg->count, DELTA, delta, -1);
+ }
+ } else if((nstime_cmp(&fInfo->fg->predecessor_time, &fInfo->zebra_time)>0||nstime_cmp(&fInfo->fg->partner->fg->predecessor_time, &fInfo->fg->partner->zebra_time)>0) && fInfo->zebra_time.nsecs != MERGED_FILES && ON_method){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, NULL);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, IP_ID, fInfo->id, PROBLEM, "Not correct order", COUNT, fInfo->fg->count, DELTA, delta, -1);
+ }
+ }
+ }
+ return FALSE;
+}
+
+/* since the gtk2 implementation of tap is multithreaded we must protect
+ * remove_tap_listener() from modifying the list while draw_tap_listener()
+ * is running. the other protected block is in main.c
+ *
+ * there should not be any other critical regions in gtk2
+ */
+static void
+win_destroy_cb(GtkWindow *win _U_, gpointer data)
+{
+ compstat_t *cs=(compstat_t *)data;
+
+ protect_thread_critical_region();
+ remove_tap_listener(cs);
+ unprotect_thread_critical_region();
+
+ first_window=TRUE;
+ gtk_tree_store_clear(cs->simple_list);
+ g_free(cs);
+}
+
+/* this may be called any time, perhaps once every 3 seconds or so.
+ */
+static void
+comparestat_draw(void *arg)
+{
+ compstat_t *cs = arg;
+ GString *filter_str = g_string_new("");
+ const gchar *statis_string;
+ frame_info *fInfo;
+ guint32 first_file_amount, second_file_amount;
+
+ /* inital steps, clear all data before start*/
+ cs->zebra_time.secs=0;
+ cs->zebra_time.nsecs=1;
+ nstime_set_unset(&cs->current_time);
+ cs->ip_ttl_list=g_array_new(FALSE, FALSE, sizeof(guint8));
+ cs->last_hit=FALSE;
+ cs->start_ongoing_hits=0;
+ cs->stop_ongoing_hits=0;
+ cs->start_packet_nr_first=G_MAXINT32;
+ cs->start_packet_nr_second=G_MAXINT32;
+ cs->stop_packet_nr_first=G_MAXINT32;
+ cs->stop_packet_nr_second=G_MAXINT32;
+ cs->first_file_amount=0;
+ cs->second_file_amount=0;
+
+ time_stat_init(&cs->stats);
+
+ /* no need to do anything no file is open*/
+ if(cf_get_packet_count(&cfile)==0){
+ /* add statistic string */
+ statis_string=g_strdup_printf("No file open");
+ gtk_label_set_text((GtkLabel *) cs->statis_label, statis_string);
+ return;
+ }
+
+ /* not using g_free, because struct is managed by se binarytrees */
+ cs->ip_id_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "ip_id_tree");
+ emem_tree_foreach(cs->packet_tree, call_foreach_count_ip_id, cs);
+
+ /* set up TTL choice if only one number found */
+ if(TTL_method&&cs->ip_ttl_list->len==1){
+ g_array_append_val(cs->ip_ttl_list, g_array_index(cs->ip_ttl_list, guint8, 1));
+ }
+
+ emem_tree_foreach(cs->packet_tree, call_foreach_new_order,cs);
+ emem_tree_foreach(cs->packet_tree, call_foreach_merge_settings, cs);
+
+ /* remembering file amounts */
+ first_file_amount=cs->first_file_amount;
+ second_file_amount=cs->second_file_amount;
+ /* reset after numbering */
+ cs->nr_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "nr_tree");
+ /* microsecond precision for Info column*/
+ timestamp_set_precision(TS_PREC_AUTO_NSEC);
+ /* reset ordering */
+ nstime_set_unset(&cs->current_time);
+
+ /* set color filter, in Routing environment */
+ if(TTL_method&&cs->ip_ttl_list->len!=0){
+ g_string_printf(filter_str, "%s %i %s %i", "ip.ttl ==", g_array_index(cs->ip_ttl_list, guint8, 0), "|| ip.ttl ==", g_array_index(cs->ip_ttl_list, guint8, 1));
+ } else if(cs->eth_dst.len!=0&&cs->eth_src.len!=0){
+ g_string_printf(filter_str, "%s %s %s %s", "eth.dst==", address_to_str(&cs->eth_dst), "|| eth.dst==", address_to_str(&cs->eth_src));
+ }
+ color_filters_set_tmp(COLOR_N, filter_str->str, FALSE);
+ cf_colorize_packets(&cfile);
+
+ /* Variance */
+ cs->stats.variance=compare_variance;
+
+ /* add statistic string */
+ statis_string=g_strdup_printf("Compare Statistics: \nNumber of packets total:%i 1st file:%i, 2nd file:%i\nScopes:\t start:%i stop:%i\nand:\t start:%i stop:%i\nEqual packets: %i \nAllowed variation: %f \nAverage time difference: %f", cf_get_packet_count(&cfile), first_file_amount, second_file_amount, cs->start_packet_nr_first, cs->stop_packet_nr_first, cs->start_packet_nr_second, cs->stop_packet_nr_second, cs->stats.num, cs->stats.variance, fabs(get_average(&cs->stats.tot, cs->stats.num)));
+ gtk_label_set_text((GtkLabel *) cs->statis_label, statis_string);
+
+ /* add start and stop of scanning */
+ if(cs->start_packet_nr_first!=G_MAXINT32&&compare_start!=0&&compare_stop!=0){
+ fInfo=se_tree_lookup32(cs->packet_tree, cs->start_packet_nr_first);
+ if(fInfo){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, NULL);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, IP_ID, fInfo->id, PROBLEM, "Start scanning", COUNT, 0, DELTA, 0.0, -1);
+ }
+ }
+ if(cs->stop_packet_nr_first!=G_MAXINT32&&compare_start!=0&&compare_stop!=0){
+ fInfo=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ if(fInfo){
+ gtk_tree_store_append(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, NULL);
+ gtk_tree_store_set(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(cs->treeview))), &cs->iter, IP_ID, fInfo->id, PROBLEM, "Stop scanning", COUNT, 0, DELTA, 0.0, -1);
+ }
+ }
+
+ emem_tree_foreach(cs->ip_id_tree, call_foreach_print_ip_tree, cs);
+ g_string_free(filter_str, TRUE);
+ g_array_free(cs->ip_ttl_list, TRUE);
+}
+
+/* called when a tree row is (un)selected in the popup window */
+static void
+new_tree_view_selection_changed(GtkTreeSelection *sel, gpointer user_data)
+{
+ gchar *problem;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ frame_info *fInfo;
+ /* Because it could be zero */
+ gint id=-1;
+
+ compstat_t *cs=(compstat_t*)user_data;
+
+ /* if something is selected */
+ if(gtk_tree_selection_get_selected(sel, &model, &iter)){
+ gtk_tree_model_get(model, &iter, 0, &id, 1, &problem, -1);
+ if (id<0) return;
+ /* The id is not enough to find the start or the end packet */
+ if(strcmp("Start scanning",problem)==0){
+ cf_goto_frame(&cfile, cs->start_packet_nr_first);
+ return;
+ }
+ if(strcmp("Stop scanning",problem)==0){
+ cf_goto_frame(&cfile, cs->stop_packet_nr_first);
+ return;
+ }
+ fInfo=se_tree_lookup32(cs->ip_id_tree, id);
+ if(fInfo != NULL){
+ cf_goto_frame(&cfile, fInfo->num);
+ }
+ }
+
+}
+
+/* add three columns to the GtkTreeView. All three of the columns will be
+ * displayed as text*/
+static void
+setup_tree_view(GtkWidget *treeview)
+{
+ GtkCellRenderer *renderer;
+ GtkTreeViewColumn *column;
+ /* Create a new GtkCellRendererText, add it to the tree view column and
+ * append the column to the tree view. */
+ renderer=gtk_cell_renderer_text_new ();
+ column=gtk_tree_view_column_new_with_attributes("IP Id", renderer, "text", IP_ID, NULL);
+ gtk_tree_view_append_column(GTK_TREE_VIEW (treeview), column);
+ renderer=gtk_cell_renderer_text_new ();
+ column=gtk_tree_view_column_new_with_attributes("Problem", renderer, "text", PROBLEM, NULL);
+ gtk_tree_view_append_column(GTK_TREE_VIEW (treeview), column);
+ renderer=gtk_cell_renderer_text_new ();
+ column=gtk_tree_view_column_new_with_attributes("Count", renderer, "text", COUNT, NULL);
+ gtk_tree_view_append_column(GTK_TREE_VIEW (treeview), column);
+ renderer=gtk_cell_renderer_text_new ();
+ column=gtk_tree_view_column_new_with_attributes("Delta", renderer, "text", DELTA, NULL);
+ gtk_tree_view_append_column(GTK_TREE_VIEW (treeview), column);
+}
+
+/* when called, this function will create a new instance of gtk2-comparestat.
+ */
+static void
+gtk_comparestat_init(const char *optarg, void* userdata _U_)
+{
+ compstat_t *cs;
+ char *title_string;
+ char *filter_string;
+ GtkWidget *stat_label;
+ GtkWidget *filter_label;
+ GtkWidget *bbox;
+ GtkWidget *close_bt;
+ GtkWidget *vbox;
+ gdouble variance;
+ gint start, stop,ttl, order, pos=0;
+ const char *filter=NULL;
+ GString *error_string;
+
+ if(sscanf(optarg,"compare,%d,%d,%d,%d,%lf,%n",&start, &stop, &ttl, &order, &variance, &pos)==5){
+ if(pos){
+ filter=optarg+pos;
+ } else {
+ filter=NULL;
+ }
+ } else {
+ fprintf(stderr, "wireshark: invalid \"-z compare,<start>,<stop>,<ttl[0|1]>,<order[0|1]>,<variance>[,<filter>]\" argument\n");
+ exit(1);
+ }
+
+ compare_variance=variance;
+ compare_start=start;
+ compare_stop=stop;
+ TTL_method=ttl;
+ ON_method=order;
+
+ cs=g_malloc(sizeof(compstat_t));
+ nstime_set_unset(&cs->current_time);
+ cs->ip_ttl_list=g_array_new(FALSE, FALSE, sizeof(guint8));
+ cs->last_hit=FALSE;
+ cs->start_ongoing_hits=0;
+ cs->stop_ongoing_hits=0;
+ cs->start_packet_nr_first=G_MAXINT32;
+ cs->start_packet_nr_second=G_MAXINT32;
+ cs->stop_packet_nr_first=G_MAXINT32;
+ cs->stop_packet_nr_second=G_MAXINT32;
+ cs->first_file_amount=0;
+ cs->second_file_amount=0;
+
+ cs->zebra_time.secs=0;
+ cs->zebra_time.nsecs=1;
+ cs->nr_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "nr_tree");
+ /* microsecond precision */
+ timestamp_set_precision(TS_PREC_AUTO_NSEC);
+
+ cs->win=window_new(GTK_WINDOW_TOPLEVEL, "compare-stat");
+ gtk_window_set_default_size(GTK_WINDOW(cs->win), 550, 400);
+ comparestat_set_title(cs);
+
+ vbox=gtk_vbox_new(FALSE, 3);
+ gtk_container_add(GTK_CONTAINER(cs->win), vbox);
+ gtk_container_set_border_width(GTK_CONTAINER(vbox), 12);
+
+ title_string = g_strdup_printf("Compare two capture files: %s", cf_get_display_name(&cfile));
+ stat_label=gtk_label_new(title_string);
+ g_free(title_string);
+ gtk_box_pack_start(GTK_BOX(vbox), stat_label, FALSE, FALSE, 0);
+
+ filter_string = g_strdup_printf("Filter: %s", filter ? filter : "");
+ filter_label=gtk_label_new(filter_string);
+ g_free(filter_string);
+ gtk_label_set_line_wrap(GTK_LABEL(filter_label), TRUE);
+ gtk_box_pack_start(GTK_BOX(vbox), filter_label, FALSE, FALSE, 0);
+
+ /* add statistik info to Window */
+ cs->statis_label=gtk_label_new("Statistics:");
+ gtk_label_set_line_wrap(GTK_LABEL(cs->statis_label), TRUE);
+ gtk_box_pack_start(GTK_BOX(vbox), cs->statis_label, FALSE, FALSE, 0);
+
+ /* we must display TOP LEVEL Widget before calling simple_list_new */
+ gtk_widget_show_all(cs->win);
+
+ cs->treeview=gtk_tree_view_new();
+ setup_tree_view(cs->treeview);
+
+ /* create a newtree model with four columns */
+ cs->simple_list=gtk_tree_store_new(COLUMNS, G_TYPE_INT, G_TYPE_STRING, G_TYPE_INT, G_TYPE_DOUBLE);
+
+ /* add the tree model to the tree view and unreference it so that the model will
+ * be destroyed along with the tree view. */
+ gtk_tree_view_set_model(GTK_TREE_VIEW (cs->treeview), GTK_TREE_MODEL (cs->simple_list));
+ g_object_unref(cs->simple_list);
+
+ /* call this method when row is chosen*/
+ gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(cs->treeview)),GTK_SELECTION_SINGLE);
+ g_signal_connect(gtk_tree_view_get_selection(GTK_TREE_VIEW(cs->treeview)), "changed", G_CALLBACK(new_tree_view_selection_changed), cs);
+
+ /* list with scrollbar's */
+ cs->scrolled_win=gtk_scrolled_window_new(NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(cs->scrolled_win), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+ gtk_container_add(GTK_CONTAINER(cs->scrolled_win), cs->treeview);
+ gtk_box_pack_start(GTK_BOX(vbox), cs->scrolled_win, TRUE, TRUE, 0);
+
+ /* create a Hash to count the packets with the same ip.id */
+ cs->packet_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "Packet_info_tree");
+
+ error_string=register_tap_listener("ip", cs, filter, comparestat_reset, comparestat_packet, comparestat_draw);
+ if(error_string){
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", error_string->str);
+ g_string_free(error_string, TRUE);
+ gtk_tree_store_clear(cs->simple_list);
+ g_free(cs);
+ return;
+ }
+
+ /* button row. */
+ bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
+ gtk_box_pack_end(GTK_BOX(vbox), bbox, FALSE, FALSE, 0);
+
+ close_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
+ window_set_cancel_button(cs->win, close_bt, window_cancel_button_cb);
+
+ g_signal_connect(cs->win, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
+ g_signal_connect(cs->win, "destroy", G_CALLBACK(win_destroy_cb), cs);
+
+ gtk_widget_show_all(cs->win);
+ window_present(cs->win);
+
+ cf_retap_packets(&cfile, FALSE);
+}
+
+static GtkWidget *dlg=NULL;
+static GtkWidget *filter_entry;
+
+static void
+comparestat_start_button_clicked(GtkWidget *item _U_, gpointer data _U_)
+{
+ GString *str;
+ const char *filter;
+
+ compare_start=gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(spin_start_int));
+ compare_stop=gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(spin_stop_int));
+ compare_variance=gtk_spin_button_get_value(GTK_SPIN_BUTTON(spin_var_int));
+ if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(radio_TTL))){
+ TTL_method=TRUE;
+ } else {
+ TTL_method=FALSE;
+ }
+ if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(radio_ON))){
+ ON_method=TRUE;
+ } else {
+ ON_method=FALSE;
+ }
+
+ str = g_string_new("compare");
+ g_string_append_printf(str, ",%d,%d,%d,%d,%lf",compare_start, compare_stop, TTL_method, ON_method, compare_variance);
+ filter=gtk_entry_get_text(GTK_ENTRY(filter_entry));
+ if(filter[0]!=0){
+ g_string_sprintfa(str, ",%s", filter);
+ }
+
+ if(first_window){
+ first_window = FALSE;
+ gtk_comparestat_init(str->str,NULL);
+ } else {
+ report_failure("cannot open more than one compare of the same type at once");
+ }
+
+ g_string_free(str, TRUE);
+}
+
+static void
+dlg_destroy_cb(void)
+{
+ dlg=NULL;
+}
+
+/* create and show first view of this module
+ */
+static void
+gtk_comparestat_cb(GtkWidget *w _U_, gpointer d _U_)
+{
+ GtkAdjustment *start_integer, *stop_integer, *var_integer;
+ GtkWidget *dlg_box;
+ GtkWidget *spin_start_label, *spin_stop_label, *spin_start_box, *spin_stop_box;
+ GtkWidget *spin_var_box, *spin_var_label;
+ GtkWidget *order_box, *radio_MAC, *order_label;
+ GtkWidget *differ_box, *radio_OFF, *differ_label;
+ GtkWidget *filter_box, *filter_bt;
+ GtkWidget *bbox, *start_button, *cancel_button;
+ const char *filter;
+ static construct_args_t args = {
+ "Compare statistics",
+ TRUE,
+ FALSE,
+ FALSE
+ };
+
+ /* if the window is already open, bring it to front */
+ if(dlg){
+ gdk_window_raise(dlg->window);
+ return;
+ }
+
+ dlg=dlg_window_new("Wireshark: Compare two capture files");
+ gtk_window_set_default_size(GTK_WINDOW(dlg), 300, -1);
+
+ dlg_box=gtk_vbox_new(FALSE, 10);
+ gtk_container_border_width(GTK_CONTAINER(dlg_box), 10);
+ gtk_container_add(GTK_CONTAINER(dlg), dlg_box);
+ gtk_widget_show(dlg_box);
+
+ /* spin Box */
+ spin_start_box=gtk_hbox_new(FALSE, 10);
+ spin_stop_box=gtk_hbox_new(FALSE, 10);
+
+ /* spin label */
+ gtk_container_set_border_width(GTK_CONTAINER(spin_start_box), 1);
+ spin_start_label=gtk_label_new("Start compare:");
+ gtk_box_pack_start(GTK_BOX(spin_start_box), spin_start_label, FALSE, FALSE, 0);
+ gtk_widget_show(spin_start_label);
+ gtk_container_set_border_width(GTK_CONTAINER(spin_stop_box), 1);
+ spin_stop_label=gtk_label_new("Stop compare: ");
+ gtk_box_pack_start(GTK_BOX(spin_stop_box), spin_stop_label, FALSE, FALSE, 0);
+ gtk_widget_show(spin_stop_label);
+
+ /* create adjustments. Spans between 0 and 100, starting at 0 and
+ * moves in increments of 1 */
+ start_integer=GTK_ADJUSTMENT(gtk_adjustment_new(0.0, 0.0, 100.0, 1.0, 5.0, 5.0));
+ stop_integer=GTK_ADJUSTMENT(gtk_adjustment_new(0.0, 0.0, 100.0, 1.0, 5.0, 5.0));
+
+ /* create spin button. Not displaying decimal */
+ spin_start_int=gtk_spin_button_new(start_integer, 1.0, 0);
+ spin_stop_int=gtk_spin_button_new(stop_integer, 1.0, 0);
+
+ /* pack it up */
+ gtk_box_pack_start_defaults(GTK_BOX(spin_start_box), spin_start_int);
+ gtk_box_pack_start_defaults(GTK_BOX(spin_stop_box), spin_stop_int);
+
+ gtk_box_pack_start(GTK_BOX(dlg_box), spin_start_box, FALSE, FALSE, 0);
+ gtk_widget_show(spin_start_box);
+ gtk_box_pack_start(GTK_BOX(dlg_box), spin_stop_box, FALSE, FALSE, 0);
+ gtk_widget_show(spin_stop_box);
+
+ /* differ Box */
+ differ_box=gtk_hbox_new(FALSE, 10);
+
+ /* radio label */
+ gtk_container_set_border_width(GTK_CONTAINER(differ_box), 1);
+ differ_label=gtk_label_new("File distinction:");
+ gtk_box_pack_start(GTK_BOX(differ_box), differ_label, FALSE, FALSE, 0);
+ gtk_widget_show(differ_label);
+
+ /* create radio buttons */
+ radio_MAC=gtk_radio_button_new_with_label (NULL, "MAC");
+ radio_TTL=gtk_radio_button_new_with_label_from_widget (GTK_RADIO_BUTTON(radio_MAC), "TTL");
+ gtk_box_pack_start_defaults(GTK_BOX(differ_box), radio_MAC);
+ gtk_box_pack_start_defaults(GTK_BOX(differ_box), radio_TTL);
+ gtk_widget_show(radio_MAC);
+ gtk_widget_show(radio_TTL);
+
+ gtk_box_pack_start(GTK_BOX(dlg_box), differ_box, FALSE, FALSE, 0);
+ gtk_widget_show(differ_box);
+
+ /* order Box */
+ order_box=gtk_hbox_new(FALSE, 10);
+
+ /* order label */
+ gtk_container_set_border_width(GTK_CONTAINER(order_box), 1);
+ order_label=gtk_label_new("Check order: ");
+ gtk_box_pack_start(GTK_BOX(order_box), order_label, FALSE, FALSE, 0);
+ gtk_widget_show(order_label);
+
+ /* create radio buttons */
+ radio_ON=gtk_radio_button_new_with_label (NULL, "ON");
+ radio_OFF=gtk_radio_button_new_with_label_from_widget (GTK_RADIO_BUTTON(radio_ON), "OFF");
+ gtk_box_pack_start_defaults(GTK_BOX(order_box), radio_ON);
+ gtk_box_pack_start_defaults(GTK_BOX(order_box), radio_OFF);
+ gtk_widget_show(radio_ON);
+ gtk_widget_show(radio_OFF);
+
+ gtk_box_pack_start(GTK_BOX(dlg_box), order_box, FALSE, FALSE, 0);
+ gtk_widget_show(order_box);
+
+ /* spin box */
+ spin_var_box=gtk_hbox_new(FALSE, 10);
+
+ /* spin label */
+ gtk_container_set_border_width(GTK_CONTAINER(spin_var_box), 1);
+ spin_var_label=gtk_label_new("Time variance (sec +/-):");
+ gtk_box_pack_start(GTK_BOX(spin_var_box), spin_var_label, FALSE, FALSE, 0);
+ gtk_widget_show(spin_var_label);
+
+ /* create adjustments. Spans between 0 and 100, starting at 0 and
+ * moves in increments of 1 */
+ var_integer=GTK_ADJUSTMENT(gtk_adjustment_new(0.0, 0.0, 100.0, 1.0, 5.0, 5.0));
+
+ /* create spin button. Not displaying decimal */
+ spin_var_int=gtk_spin_button_new(var_integer, 0.0, 2);
+
+ /* pack it up */
+ gtk_box_pack_start_defaults(GTK_BOX(spin_var_box), spin_var_int);
+ gtk_widget_show(spin_var_int);
+
+ gtk_box_pack_start(GTK_BOX(dlg_box), spin_var_box, FALSE, FALSE, 0);
+ gtk_widget_show(spin_var_box);
+
+ /* filter box */
+ filter_box=gtk_hbox_new(FALSE, 3);
+
+ /* filter label */
+ filter_bt=gtk_button_new_from_stock(WIRESHARK_STOCK_DISPLAY_FILTER_ENTRY);
+ g_signal_connect(filter_bt, "clicked", G_CALLBACK(display_filter_construct_cb), &args);
+ gtk_box_pack_start(GTK_BOX(filter_box), filter_bt, FALSE, TRUE, 0);
+ gtk_widget_show(filter_bt);
+
+ /* filter entry */
+ filter_entry=gtk_entry_new();
+ g_signal_connect(filter_entry, "changed", G_CALLBACK(filter_te_syntax_check_cb), NULL);
+
+ /* filter prefs dialog */
+ g_object_set_data(G_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_entry);
+ /* filter prefs dialog */
+
+ gtk_box_pack_start(GTK_BOX(filter_box), filter_entry, TRUE, TRUE, 0);
+ filter=gtk_entry_get_text(GTK_ENTRY(main_display_filter_widget));
+ if(filter){
+ gtk_entry_set_text(GTK_ENTRY(filter_entry), filter);
+ }
+ gtk_widget_show(filter_entry);
+
+ gtk_box_pack_start(GTK_BOX(dlg_box), filter_box, TRUE, TRUE, 0);
+ gtk_widget_show(filter_box);
+
+ /* button box */
+ bbox = dlg_button_row_new(WIRESHARK_STOCK_CREATE_STAT, GTK_STOCK_CANCEL, NULL);
+ gtk_box_pack_start(GTK_BOX(dlg_box), bbox, FALSE, FALSE, 0);
+ gtk_widget_show(bbox);
+
+ start_button = g_object_get_data(G_OBJECT(bbox), WIRESHARK_STOCK_CREATE_STAT);
+ g_signal_connect_swapped(start_button, "clicked", G_CALLBACK(comparestat_start_button_clicked), NULL);
+
+ cancel_button = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CANCEL);
+ window_set_cancel_button(dlg, cancel_button, window_cancel_button_cb);
+
+ /* give the initial focus to the "filter" entry box. */
+ gtk_widget_grab_focus(filter_entry);
+
+ gtk_widget_grab_default(start_button );
+
+ g_signal_connect(dlg, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
+ g_signal_connect(dlg, "destroy", G_CALLBACK(dlg_destroy_cb), NULL);
+
+ gtk_widget_show_all(dlg);
+ window_present(dlg);
+}
+
+
+void
+register_tap_listener_gtkcomparestat(void)
+{
+ register_stat_cmd_arg("compare", gtk_comparestat_init, NULL);
+
+ register_stat_menu_item("Compare...", REGISTER_STAT_GROUP_UNSORTED, gtk_comparestat_cb, NULL, NULL, NULL);
+}
--- /dev/null
+/* tap-comparestat.c
+ * Compare two capture files
+ * Copyright 2008 Vincenzo Condoleo, Christophe Dirac, Reto Ruoss
+ * supported by HSR (Hochschule Rapperswil)
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/* This module provides statistics about two merged capture files, to find packet loss,
+ * time delay, ip header checksum errors and order check to tshark.
+ * It's also detecting the matching regions of the different files.
+ *
+ * The packets are compared by the ip id. MAC or TTL is used to distinct the different files.
+ * It is only used by tshark and not wireshark
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <math.h>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#include <string.h>
+#include "epan/packet_info.h"
+#include <epan/in_cksum.h>
+#include <epan/packet.h>
+#include <epan/tap.h>
+#include <epan/timestamp.h>
+#include <epan/stat_cmd_args.h>
+#include <epan/dissectors/packet-ip.h>
+#include "register.h"
+#include "timestats.h"
+
+
+/* For checksum */
+#define BYTES 8
+#define WRONG_CHKSUM 0
+
+#define MERGED_FILES 2
+
+#define TTL_SEARCH 5
+
+/* information which will be printed */
+typedef struct _for_print {
+ guint count;
+ guint16 cksum;
+ nstime_t predecessor_time;
+ struct _frame_info *partner;
+} for_print;
+
+/* each tracked packet */
+typedef struct _frame_info {
+ for_print *fp;
+ guint32 num;
+ guint16 id;
+ guint8 ip_ttl;
+ address dl_dst;
+ nstime_t abs_ts, zebra_time, delta;
+} frame_info;
+
+/* used to keep track of the statistics for an entire program interface */
+typedef struct _comparestat_t {
+ char *filter;
+ emem_tree_t *packet_tree, *ip_id_tree, *nr_tree;
+ address eth_dst, eth_src;
+ nstime_t zebra_time, current_time;
+ timestat_t stats;
+ GArray *ip_ttl_list;
+ gboolean last_hit;
+ guint32 start_ongoing_hits, stop_ongoing_hits, start_packet_nr_first, start_packet_nr_second, stop_packet_nr_first, stop_packet_nr_second;
+ guint32 first_file_amount, second_file_amount;
+} comparestat_t;
+
+
+/* to call directly _init */
+static gdouble compare_variance=0.0;
+static guint8 compare_start, compare_stop;
+static gboolean TTL_method=TRUE, ON_method=TRUE;
+
+/* This callback is never used by tshark but it is here for completeness. */
+static void
+comparestat_reset(void *dummy _U_)
+{
+}
+
+
+/* This callback is invoked whenever the tap system has seen a packet
+ * we might be interested in.
+ * function returns :
+ * 0: no updates, no need to call (*draw) later
+ * !0: state has changed, call (*draw) sometime later
+ */
+static int
+comparestat_packet(void *arg, packet_info *pinfo, epan_dissect_t *edt _U_, const void *arg2)
+{
+ comparestat_t *cs=arg;
+ const ws_ip *ci=arg2;
+ frame_info *fInfo;
+ vec_t cksum_vec[3];
+ guint16 computed_cksum=0;
+
+ /* so this get filled, usually with the first frame */
+ if(cs->eth_dst.len==0) {
+ cs->eth_dst=pinfo->dl_dst;
+ cs->eth_src=pinfo->dl_src;
+ }
+
+ /* Set up the fields of the pseudo-header and create checksum */
+ cksum_vec[0].ptr=&ci->ip_v_hl;
+ cksum_vec[0].len=BYTES;
+ /* skip TTL */
+ cksum_vec[1].ptr=&ci->ip_p;
+ cksum_vec[1].len=1;
+ /* skip header checksum and ip's (because of NAT)*/
+ cksum_vec[2].ptr=ci->ip_dst.data;
+ cksum_vec[2].ptr=cksum_vec[2].ptr+ci->ip_dst.len;
+ /* dynamic computation */
+ cksum_vec[2].len=pinfo->iphdrlen-20;
+ computed_cksum=in_cksum(&cksum_vec[0], 3);
+
+ /* collect all packet infos */
+ fInfo=(frame_info*)se_alloc(sizeof(frame_info));
+ fInfo->fp=(for_print*)se_alloc(sizeof(for_print));
+ fInfo->fp->partner=NULL;
+ fInfo->fp->count=1;
+ fInfo->fp->cksum=computed_cksum;
+ fInfo->num=pinfo->fd->num;
+ fInfo->id=ci->ip_id;
+ fInfo->ip_ttl=ci->ip_ttl;
+ fInfo->dl_dst=pinfo->dl_dst;
+ fInfo->abs_ts=pinfo->fd->abs_ts;
+ /* clean memory */
+ nstime_set_zero(&fInfo->zebra_time);
+ nstime_set_zero(&fInfo->fp->predecessor_time);
+ se_tree_insert32(cs->packet_tree, pinfo->fd->num, fInfo);
+
+ return 1;
+}
+
+/* Find equal packets, same IP-Id, count them and make time statistics */
+static gboolean
+call_foreach_count_ip_id(gpointer value, gpointer arg)
+{
+ comparestat_t *cs=(comparestat_t*)arg;
+ frame_info *fInfo=(frame_info*)value, *fInfoTemp;
+ nstime_t delta;
+ guint i;
+
+ /* we only need one value out of pinfo we use a temp one */
+ packet_info *pinfo=(packet_info*)ep_alloc(sizeof(packet_info));
+ pinfo->fd=(frame_data*)ep_alloc(sizeof(frame_data));
+ pinfo->fd->num = fInfo->num;
+
+ fInfoTemp=se_tree_lookup32(cs->ip_id_tree, fInfo->id);
+ if(fInfoTemp==NULL){
+ /* Detect ongoing package loss */
+ if((cs->last_hit==FALSE)&&(cs->start_ongoing_hits>compare_start)&&(cs->stop_ongoing_hits<compare_stop)){
+ cs->stop_ongoing_hits++;
+ cs->stop_packet_nr_first=fInfo->num;
+ } else if(cs->stop_ongoing_hits<compare_stop){
+ cs->stop_ongoing_hits=0;
+ cs->stop_packet_nr_first=G_MAXINT32;
+ }
+ cs->last_hit=FALSE;
+
+ fInfo->fp->count=1;
+ se_tree_insert32(cs->ip_id_tree, fInfo->id, fInfo);
+ } else {
+ /* Detect ongoing package hits, special behavior if start is set to 0 */
+ if((cs->last_hit||(compare_start==0))&&(cs->start_ongoing_hits<compare_start||(compare_start==0))){
+ if((compare_start==0)&&(cs->start_ongoing_hits!=0)){
+ /* start from the first packet so allready set */
+ } else {
+ cs->start_ongoing_hits++;
+ /* Take the lower number */
+ cs->start_packet_nr_first=fInfoTemp->num;
+ cs->start_packet_nr_second=fInfo->num;
+ }
+ } else if(cs->start_ongoing_hits<compare_start){
+ cs->start_ongoing_hits=0;
+ cs->start_packet_nr_first=G_MAXINT32;
+ }
+ cs->last_hit=TRUE;
+
+ fInfo->fp->count=fInfoTemp->fp->count + 1;
+ if(fInfoTemp->fp->cksum!=fInfo->fp->cksum){
+ fInfo->fp->cksum=WRONG_CHKSUM;
+ fInfoTemp->fp->cksum=WRONG_CHKSUM;
+ }
+ /* Add partner */
+ fInfo->fp->partner=fInfoTemp;
+ /* Create time statistic */
+ if(fInfo->fp->count==MERGED_FILES){
+ nstime_delta(&delta, &fInfo->abs_ts, &fInfoTemp->abs_ts);
+ /* Set delta in both packets */
+ nstime_set_zero(&fInfoTemp->delta);
+ nstime_add(&fInfoTemp->delta, &delta);
+ nstime_set_zero(&fInfo->delta);
+ nstime_add(&fInfo->delta, &delta);
+ time_stat_update(&cs->stats, &delta, pinfo);
+ }
+ se_tree_insert32(cs->ip_id_tree, fInfo->id, fInfo);
+ }
+
+ /* collect TTL's */
+ if(TTL_method && (fInfo->num<TTL_SEARCH)){
+ for(i=0; i < cs->ip_ttl_list->len; i++){
+ if(g_array_index(cs->ip_ttl_list, guint8, i) == fInfo->ip_ttl){
+ return FALSE;
+ }
+ }
+ g_array_append_val(cs->ip_ttl_list, fInfo->ip_ttl);
+ }
+
+ return FALSE;
+}
+
+/*Create new numbering */
+static gboolean
+call_foreach_new_order(gpointer value, gpointer arg)
+{
+ comparestat_t *cs=(comparestat_t*)arg;
+ frame_info *fInfo=(frame_info*)value, *fInfoTemp;
+
+ /* overwrite Info column for new ordering */
+ fInfoTemp=se_tree_lookup32(cs->nr_tree, fInfo->id);
+ if(fInfoTemp==NULL){
+ if(TTL_method==FALSE){
+ if((ADDRESSES_EQUAL(&cs->eth_dst, &fInfo->dl_dst)) || (ADDRESSES_EQUAL(&cs->eth_src, &fInfo->dl_dst))){
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs + MERGED_FILES;
+ } else {
+ cs->zebra_time.nsecs++;
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs++;
+ }
+ } else {
+ if((g_array_index(cs->ip_ttl_list, guint8, 0)==fInfo->ip_ttl) || (g_array_index(cs->ip_ttl_list, guint8, 1)==fInfo->ip_ttl)){
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs + MERGED_FILES;
+ } else {
+ cs->zebra_time.nsecs++;
+ se_tree_insert32(cs->nr_tree, fInfo->id, fInfo);
+ fInfo->zebra_time=cs->zebra_time;
+ cs->zebra_time.nsecs=cs->zebra_time.nsecs++;
+ }
+
+ }
+ } else {
+ if(TTL_method==FALSE){
+ if(((ADDRESSES_EQUAL(&cs->eth_dst, &fInfo->dl_dst)) || (ADDRESSES_EQUAL(&cs->eth_src, &fInfo->dl_dst)))&&(!fmod(fInfoTemp->zebra_time.nsecs,MERGED_FILES))){
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs;
+ } else {
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs+1;
+ }
+ } else {
+ if(((g_array_index(cs->ip_ttl_list, guint8, 0)==fInfo->ip_ttl) || (g_array_index(cs->ip_ttl_list, guint8, 1)==fInfo->ip_ttl))&&(!fmod(fInfoTemp->zebra_time.nsecs,MERGED_FILES))){
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs;
+ } else {
+ fInfo->zebra_time.nsecs=fInfoTemp->zebra_time.nsecs+1;
+ }
+ }
+ }
+
+ /* count packets of file */
+ if(fmod(fInfo->zebra_time.nsecs, MERGED_FILES)){
+ cs->first_file_amount++;
+ } else {
+ cs->second_file_amount++;
+ }
+
+ /* ordering */
+ if(!nstime_is_unset(&cs->current_time)){
+ fInfo->fp->predecessor_time.nsecs=cs->current_time.nsecs;
+ }
+
+ cs->current_time.nsecs=fInfo->zebra_time.nsecs;
+
+ return FALSE;
+}
+
+/* calculate scopes if not set yet */
+static gboolean
+call_foreach_merge_settings(gpointer value, gpointer arg)
+{
+ comparestat_t *cs=(comparestat_t*)arg;
+ frame_info *fInfo=(frame_info*)value, *fInfoTemp=NULL;
+ guint32 tot_packet_amount=cs->first_file_amount+cs->second_file_amount, swap;
+
+ if((fInfo->num==tot_packet_amount)&&(cs->stop_packet_nr_first!=G_MAXINT32)){
+ /* calculate missing stop number */
+ swap=cs->stop_packet_nr_first;
+ cs->stop_packet_nr_first=tot_packet_amount-cs->second_file_amount;;
+ cs->stop_packet_nr_second=swap;
+ }
+
+ if((fInfo->num==tot_packet_amount)&&(cs->stop_packet_nr_first==G_MAXINT32)&&(cs->start_packet_nr_first!=G_MAXINT32)){
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->start_packet_nr_first);
+ if(fInfoTemp==NULL){
+ printf("ERROR: start number not set correctly\n");
+ }
+ if(fmod(fInfoTemp->zebra_time.nsecs, 2)){
+ /*first file*/
+ cs->stop_packet_nr_first=cs->start_packet_nr_first+abs(cs->second_file_amount-(cs->start_packet_nr_second-cs->first_file_amount));
+ if(cs->stop_packet_nr_first>(tot_packet_amount-cs->second_file_amount)){
+ cs->stop_packet_nr_first=tot_packet_amount-cs->second_file_amount;
+ }
+ /*this only happens if we have too many MAC's or TTL*/
+ if(cs->stop_packet_nr_first>cs->start_packet_nr_second){
+ cs->stop_packet_nr_first=cs->start_packet_nr_second-1;
+ }
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ while((fInfoTemp!=NULL)?fmod(!fInfoTemp->zebra_time.nsecs, 2):TRUE){
+ cs->stop_packet_nr_first--;
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ }
+ } else {
+ /*this only happens if we have too many MAC's or TTL*/
+ cs->stop_packet_nr_first=cs->first_file_amount+cs->start_packet_nr_first;
+ if(cs->stop_packet_nr_first>tot_packet_amount-cs->first_file_amount){
+ cs->stop_packet_nr_first=tot_packet_amount-cs->first_file_amount;
+ }
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ while((fInfoTemp!=NULL)?fmod(fInfoTemp->zebra_time.nsecs, 2):TRUE){
+ cs->stop_packet_nr_first--;
+ fInfoTemp=se_tree_lookup32(cs->packet_tree, cs->stop_packet_nr_first);
+ }
+ }
+ /* set second stop location */
+ cs->stop_packet_nr_second=cs->start_packet_nr_second+abs(cs->stop_packet_nr_first-cs->start_packet_nr_first);
+ if(cs->stop_packet_nr_second>tot_packet_amount){
+ cs->stop_packet_nr_second=tot_packet_amount;
+ }
+ }
+
+ /* no start found */
+ if(fInfo->num==tot_packet_amount&&compare_start!=0&&compare_stop!=0){
+ if(cs->start_packet_nr_first==G_MAXINT32){
+ printf("Start point couldn't be set, choose a lower compare start");
+ }
+ }
+
+ return FALSE;
+}
+
+static gboolean
+call_foreach_print_ip_tree(gpointer value, gpointer user_data)
+{
+ frame_info *fInfo=(frame_info*)value;
+ comparestat_t *cs=(comparestat_t*)user_data;
+ gdouble delta, average;
+ gboolean show_it=FALSE;
+
+ delta=fabs(get_average(&fInfo->delta,1));
+ average=fabs(get_average(&cs->stats.tot, cs->stats.num));
+
+ /* special case if both are set to zero ignore start and stop numbering */
+ if(compare_start!=0&&compare_stop!=0){
+ /* check out if packet is in searched scope */
+ if((cs->start_packet_nr_first<fInfo->num)&&(cs->stop_packet_nr_first>fInfo->num)){
+ show_it=TRUE;
+ } else {
+ /* so we won't miss the other file */
+ if((fInfo->num>cs->start_packet_nr_second)&&(fInfo->num<cs->stop_packet_nr_second)){
+ show_it=TRUE;
+ }
+ }
+ } else {
+ show_it=TRUE;
+ }
+
+ if(show_it){
+ if(fInfo->fp->count < MERGED_FILES){
+ printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+ printf("Packet lost\n");
+ }
+ if(fInfo->fp->count > MERGED_FILES){
+ printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+ printf("More than two packets\n");
+ if(fInfo->fp->cksum == WRONG_CHKSUM){
+ printf("Checksum error over IP header\n");
+ }
+ }
+ if(fInfo->fp->count == MERGED_FILES){
+ if(fInfo->fp->cksum == WRONG_CHKSUM){
+ printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+ printf("Checksum error over IP header\n");
+ if(((delta < (average-cs->stats.variance)) || (delta > (average+cs->stats.variance))) && (delta > 0.0) && (cs->stats.variance!=0)){
+ printf("Not arrived in time\n");
+ }
+ if((nstime_cmp(&fInfo->fp->predecessor_time, &fInfo->zebra_time)>0||nstime_cmp(&fInfo->fp->partner->fp->predecessor_time, &fInfo->fp->partner->zebra_time)>0) && (fInfo->zebra_time.nsecs!=MERGED_FILES) && ON_method){
+ printf("Not correct order\n");
+ }
+ } else if(((delta < (average-cs->stats.variance)) || (delta > (average+cs->stats.variance))) && (delta > 0.0) && (cs->stats.variance!=0)) {
+ printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+ printf("Package not arrived in time\n");
+ if((nstime_cmp(&fInfo->fp->predecessor_time, &fInfo->zebra_time)>0||nstime_cmp(&fInfo->fp->partner->fp->predecessor_time, &fInfo->fp->partner->zebra_time)>0) && fInfo->zebra_time.nsecs != MERGED_FILES && ON_method){
+ printf("Not correct order\n");
+ }
+ } else if((nstime_cmp(&fInfo->fp->predecessor_time, &fInfo->zebra_time)>0||nstime_cmp(&fInfo->fp->partner->fp->predecessor_time, &fInfo->fp->partner->zebra_time)>0) && fInfo->zebra_time.nsecs != MERGED_FILES && ON_method){
+ printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+ printf("Not correct order\n");
+ }
+ }
+ }
+ return FALSE;
+}
+
+
+/* This callback is used when tshark wants us to draw/update our
+ * data to the output device. Since this is tshark only output is
+ * stdout.
+ * TShark will only call this callback once, which is when tshark has
+ * finished reading all packets and exists.
+ * If used with wireshark this may be called any time, perhaps once every 3
+ * seconds or so.
+ * This function may even be called in parallell with (*reset) or (*draw)
+ * so make sure there are no races. The data in the rpcstat_t can thus change
+ * beneath us. Beware.
+ */
+static void
+comparestat_draw(void *prs)
+{
+ comparestat_t *cs=prs;
+ GString *filter_str = g_string_new("");
+ const gchar *statis_string;
+ guint32 first_file_amount, second_file_amount;
+
+ /* inital steps, clear all data before start*/
+ cs->zebra_time.secs=0;
+ cs->zebra_time.nsecs=1;
+ nstime_set_unset(&cs->current_time);
+ cs->ip_ttl_list=g_array_new(FALSE, FALSE, sizeof(guint8));
+ cs->last_hit=FALSE;
+ cs->start_ongoing_hits=0;
+ cs->stop_ongoing_hits=0;
+ cs->start_packet_nr_first=G_MAXINT32;
+ cs->start_packet_nr_second=G_MAXINT32;
+ cs->stop_packet_nr_first=G_MAXINT32;
+ cs->stop_packet_nr_second=G_MAXINT32;
+ cs->first_file_amount=0;
+ cs->second_file_amount=0;
+
+ time_stat_init(&cs->stats);
+ /* not using g_free, because struct is managed by binarytrees */
+ cs->ip_id_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "ip_id_tree");
+ emem_tree_foreach(cs->packet_tree, call_foreach_count_ip_id, cs);
+
+ /* set up TTL choice if only one number found */
+ if(TTL_method&&cs->ip_ttl_list->len==1){
+ g_array_append_val(cs->ip_ttl_list, g_array_index(cs->ip_ttl_list, guint8, 1));
+ }
+
+ emem_tree_foreach(cs->packet_tree, call_foreach_new_order,cs);
+ emem_tree_foreach(cs->packet_tree, call_foreach_merge_settings, cs);
+
+ /* remembering file amounts */
+ first_file_amount=cs->first_file_amount;
+ second_file_amount=cs->second_file_amount;
+ /* reset after numbering */
+ cs->nr_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "nr_tree");
+
+ /* Variance */
+ cs->stats.variance=compare_variance;
+
+ /* add statistic string */
+ statis_string=g_strdup_printf("Compare Statistics: \nNumber of packets total:%i 1st file:%i, 2nd file:%i\nScopes:\t start:%i stop:%i\nand:\t start:%i stop:%i\nEqual packets: %i \nAllowed variation: %f \nAverage time difference: %f\n", (first_file_amount+second_file_amount), first_file_amount, second_file_amount, cs->start_packet_nr_first, cs->stop_packet_nr_first, cs->start_packet_nr_second, cs->stop_packet_nr_second, cs->stats.num, cs->stats.variance, fabs(get_average(&cs->stats.tot, cs->stats.num)));
+
+ printf("\n");
+ printf("===================================================================\n");
+ printf("%s", statis_string);
+ emem_tree_foreach(cs->ip_id_tree, call_foreach_print_ip_tree, cs);
+ printf("===================================================================\n");
+ g_string_free(filter_str, TRUE);
+ g_array_free(cs->ip_ttl_list, TRUE);
+}
+
+/* When called, this function will create a new instance of comparestat.
+ * This function is called from tshark when it parses the -z compare, arguments
+ * and it creates a new instance to store statistics in and registers this
+ * new instance for the compare tap.
+ */
+static void
+comparestat_init(const char *optarg, void* userdata _U_)
+{
+ comparestat_t *cs;
+ const char *filter=NULL;
+ GString *error_string;
+ gint start, stop,ttl, order, pos=0;
+ gdouble variance;
+
+ if(sscanf(optarg,"compare,%d,%d,%d,%d,%lf,%n",&start, &stop, &ttl, &order, &variance, &pos)==5){
+ if(pos){
+ filter=optarg+pos;
+ } else {
+ filter=NULL;
+ }
+ } else {
+ fprintf(stderr, "tshark: invalid \"-z compare,<start>,<stop>,<ttl[0|1]>,<order[0|1]>,<variance>[,<filter>]\" argument\n");
+ exit(1);
+ }
+
+ compare_variance=variance;
+ compare_start=start;
+ compare_stop=stop;
+ TTL_method=ttl;
+ ON_method=order;
+
+ cs=g_malloc(sizeof(comparestat_t));
+ nstime_set_unset(&cs->current_time);
+ cs->ip_ttl_list=g_array_new(FALSE, FALSE, sizeof(guint8));
+ cs->last_hit=FALSE;
+ cs->start_ongoing_hits=0;
+ cs->stop_ongoing_hits=0;
+ cs->start_packet_nr_first=G_MAXINT32;
+ cs->start_packet_nr_second=G_MAXINT32;
+ cs->stop_packet_nr_first=G_MAXINT32;
+ cs->stop_packet_nr_second=G_MAXINT32;
+ cs->first_file_amount=0;
+ cs->second_file_amount=0;
+
+ cs->zebra_time.secs=0;
+ cs->zebra_time.nsecs=1;
+ cs->nr_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "nr_tree");
+ /* microsecond precision */
+ timestamp_set_precision(TS_PREC_AUTO_NSEC);
+
+ if(filter){
+ cs->filter=g_strdup(filter);
+ } else {
+ cs->filter=NULL;
+ }
+
+ /* create a Hash to count the packets with the same ip.id */
+ cs->packet_tree=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "Packet_info_tree");
+
+ error_string=register_tap_listener("ip", cs, filter, comparestat_reset, comparestat_packet, comparestat_draw);
+ if(error_string){
+ /* error, we failed to attach to the tap. clean up */
+ g_free(cs->filter);
+ g_free(cs);
+
+ fprintf(stderr, "tshark: Couldn't register compare tap: %s\n", error_string->str);
+ g_string_free(error_string, TRUE);
+ exit(1);
+ }
+}
+
+
+void
+register_tap_listener_comparestat(void)
+{
+ register_stat_cmd_arg("compare,", comparestat_init,NULL);
+}
git.samba.org / metze / wireshark / wip.git / commitdiff