Compute the loading time and show it in the main status bar.

(Modified code from Didier Gautheron).

svn path=/trunk/; revision=29592

file.c

@@ -81,6 +81,7 @@ gboolean auto_scroll_live;
 static nstime_t first_ts;
 static nstime_t prev_dis_ts;
 static guint32 cum_bytes = 0;
+static gulong computed_elapsed;
 
 static void cf_reset_state(capture_file *cf);
 
@@ -410,6 +411,23 @@ void outofmemory_cb(gpointer dialog _U_, gint btn _U_, gpointer data _U_)
     main_window_exit();
 }
 
+gulong
+cf_get_computed_elapsed(void){
+	return computed_elapsed;
+}
+static void  compute_elapsed(GTimeVal *start_time)
+{
+      gdouble    delta_time;
+      GTimeVal   time_now;
+
+      g_get_current_time(&time_now);
+      
+      delta_time = (time_now.tv_sec - start_time->tv_sec) * 1e6 +
+		time_now.tv_usec - start_time->tv_usec;
+
+	  computed_elapsed = (gulong) (delta_time / 1000); /* ms*/
+}
+
 cf_read_status_t
 cf_read(capture_file *cf)
 {
@@ -596,6 +614,9 @@ cf_read(capture_file *cf)
    * don't need after the sequential run-through of the packets. */
   postseq_cleanup_all_protocols();
 
+  /* compute the time it took to load the file */	
+  compute_elapsed(&start_time);
+
   /* Set the file encapsulation type now; we don't know what it is until
      we've looked at all the packets, as we don't know until then whether
      there's more than one type (and thus whether it's

file.h

@@ -256,6 +256,7 @@ cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
  */
 void cf_reftime_packets(capture_file *cf);
 
+gulong cf_get_computed_elapsed(void);
 /**
  * At least one "Refence Time" flag has changed, rescan all packets.
  * 

gtk/main_statusbar.c

@@ -368,6 +368,8 @@ void
 packets_bar_update(void)
 {
 
+gulong     computed_elapsed = cf_get_computed_elapsed();
+
     if(packets_bar) {
         /* remove old status */
         if(packets_str) {
@@ -381,8 +383,12 @@ packets_bar_update(void)
                 packets_str = g_strdup_printf(" Packets: %u Displayed: %u Marked: %u Dropped: %u",
                     cfile.count, cfile.displayed_count, cfile.marked_count, cfile.drops);
             } else {
-                packets_str = g_strdup_printf(" Packets: %u Displayed: %u Marked: %u",
+                packets_str = g_strdup_printf(" Packets: %u Displayed: %u Marked: %u  Time: %02lu:%02lu:%02lu.%03lu",
-                    cfile.count, cfile.displayed_count, cfile.marked_count);
+                    cfile.count, cfile.displayed_count, cfile.marked_count,
+                    computed_elapsed/3600000,
+                    computed_elapsed%3600000/60000,
+                    computed_elapsed%60000/1000,
+                    computed_elapsed%1000);
             }
         } else {
             packets_str = g_strdup(" No Packets");