From Dirk via bug #5771: Add heuristic dissector for images and HTTP
[obnox/wireshark/wip.git] / packet-range.c
index 10a2529d726e1580aa78d8539f9e84263a27172b..e6838f62f7ca810f67854db7c90b4f8dd4f0a656 100644 (file)
@@ -6,8 +6,8 @@
  * Dick Gooris <gooris@lucent.com>
  * Ulf Lamping <ulf.lamping@web.de>
  *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * 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
@@ -29,6 +29,7 @@
 #include "config.h"
 #endif
 
+#include <stdio.h>
 #include <string.h>
 #include <ctype.h>
 
@@ -41,7 +42,7 @@
 #include "packet-range.h"
 
 /* (re-)calculate the packet counts (except the user specified range) */
-void packet_range_calc(packet_range_t *range) {
+static void packet_range_calc(packet_range_t *range) {
   guint32       current_count;
   guint32       mark_low;
   guint32       mark_high;
@@ -55,23 +56,31 @@ void packet_range_calc(packet_range_t *range) {
   mark_low                      = 0L;
   mark_high                     = 0L;
   range->mark_range_cnt         = 0L;
+  range->ignored_cnt            = 0L;
+  range->ignored_marked_cnt     = 0L;
+  range->ignored_mark_range_cnt = 0L;
+  range->ignored_user_range_cnt = 0L;
 
   displayed_mark_low            = 0L;
   displayed_mark_high           = 0L;
   range->displayed_cnt          = 0L;
   range->displayed_marked_cnt   = 0L;
   range->displayed_mark_range_cnt=0L;
+  range->displayed_ignored_cnt            = 0L;
+  range->displayed_ignored_marked_cnt     = 0L;
+  range->displayed_ignored_mark_range_cnt = 0L;
+  range->displayed_ignored_user_range_cnt = 0L;
 
   /* The next for-loop is used to obtain the amount of packets to be processed
    * and is used to present the information in the Save/Print As widget.
    * We have different types of ranges: All the packets, the number
-   * of packets of a marked range, a single packet, and a user specified 
+   * of packets of a marked range, a single packet, and a user specified
    * packet range. The last one is not calculated here since this
    * data must be entered in the widget by the user.
    */
 
   current_count = 0;
-  for(packet = cfile.plist; packet != NULL; packet = packet->next) {
+  for(packet = cfile.plist_start; packet != NULL; packet = packet->next) {
       current_count++;
       if (cfile.current_frame == packet) {
           range->selected_packet = current_count;
@@ -80,8 +89,14 @@ void packet_range_calc(packet_range_t *range) {
           range->displayed_cnt++;
       }
       if (packet->flags.marked) {
+            if (packet->flags.ignored) {
+                range->ignored_marked_cnt++;
+            }
             if (packet->flags.passed_dfilter) {
                 range->displayed_marked_cnt++;
+                if (packet->flags.ignored) {
+                    range->displayed_ignored_marked_cnt++;
+                }
                 if (displayed_mark_low == 0) {
                    displayed_mark_low = current_count;
                 }
@@ -97,23 +112,35 @@ void packet_range_calc(packet_range_t *range) {
                mark_high = current_count;
             }
       }
+      if (packet->flags.ignored) {
+          range->ignored_cnt++;
+          if (packet->flags.passed_dfilter) {
+              range->displayed_ignored_cnt++;
+          }
+      }
   }
-        
+
   current_count = 0;
-  for(packet = cfile.plist; packet != NULL; packet = packet->next) {
+  for(packet = cfile.plist_start; packet != NULL; packet = packet->next) {
       current_count++;
 
-      if (current_count >= mark_low && 
+      if (current_count >= mark_low &&
           current_count <= mark_high)
       {
           range->mark_range_cnt++;
+          if (packet->flags.ignored) {
+              range->ignored_mark_range_cnt++;
+          }
       }
 
-      if (current_count >= displayed_mark_low && 
+      if (current_count >= displayed_mark_low &&
           current_count <= displayed_mark_high)
       {
           if (packet->flags.passed_dfilter) {
             range->displayed_mark_range_cnt++;
+            if (packet->flags.ignored) {
+                range->displayed_ignored_mark_range_cnt++;
+            }
           }
       }
   }
@@ -122,7 +149,7 @@ void packet_range_calc(packet_range_t *range) {
   /*if (cfile.marked_count != 0) {
     range->mark_range = mark_high - mark_low + 1;
   }*/
-        
+
   /* in case we marked just one packet, we add 1. */
   /*if (range->displayed_marked_cnt != 0) {
     range->displayed_mark_range = displayed_mark_high - displayed_mark_low + 1;
@@ -131,21 +158,29 @@ void packet_range_calc(packet_range_t *range) {
 
 
 /* (re-)calculate the user specified packet range counts */
-void packet_range_calc_user(packet_range_t *range) {
+static void packet_range_calc_user(packet_range_t *range) {
   guint32       current_count;
   frame_data    *packet;
 
   range->user_range_cnt             = 0L;
+  range->ignored_user_range_cnt     = 0L;
   range->displayed_user_range_cnt   = 0L;
+  range->displayed_ignored_user_range_cnt = 0L;
 
   current_count = 0;
-  for(packet = cfile.plist; packet != NULL; packet = packet->next) {
+  for(packet = cfile.plist_start; packet != NULL; packet = packet->next) {
       current_count++;
 
-      if (value_is_in_range(&range->user_range, current_count)) {
+      if (value_is_in_range(range->user_range, current_count)) {
           range->user_range_cnt++;
+          if (packet->flags.ignored) {
+              range->ignored_user_range_cnt++;
+          }
           if (packet->flags.passed_dfilter) {
             range->displayed_user_range_cnt++;
+            if (packet->flags.ignored) {
+                range->displayed_ignored_user_range_cnt++;
+            }
           }
       }
   }
@@ -157,15 +192,26 @@ void packet_range_init(packet_range_t *range) {
 
   range->process            = range_process_all;
   range->process_filtered   = FALSE;
-  range_init(&range->user_range);
+  range->remove_ignored     = FALSE;
+  range->user_range         = range_empty();
 
   /* calculate all packet range counters */
   packet_range_calc(range);
   packet_range_calc_user(range);
 }
 
+/* check whether the packet range is OK */
+convert_ret_t packet_range_check(packet_range_t *range) {
+  if (range->process == range_process_user_range && range->user_range == NULL) {
+    /* Not valid - return the error. */
+    return range->user_range_status;
+  }
+  return CVT_NO_ERROR;
+}
+
 /* init the processing run */
 void packet_range_process_init(packet_range_t *range) {
+  /* Check that, if an explicit range was selected, it's valid. */
   /* "enumeration" values */
   range->marked_range_active    = FALSE;
   range->selected_done          = FALSE;
@@ -179,12 +225,16 @@ void packet_range_process_init(packet_range_t *range) {
 
 /* do we have to process all packets? */
 gboolean packet_range_process_all(packet_range_t *range) {
-    return range->process == range_process_all && !range->process_filtered;
+    return range->process == range_process_all && !range->process_filtered && !range->remove_ignored;
 }
 
 /* do we have to process this packet? */
 range_process_e packet_range_process_packet(packet_range_t *range, frame_data *fdata) {
 
+    if (range->remove_ignored && fdata->flags.ignored) {
+        return range_process_next;
+    }
+
     switch(range->process) {
     case(range_process_all):
         break;
@@ -219,7 +269,7 @@ range_process_e packet_range_process_packet(packet_range_t *range, frame_data *f
         }
         break;
     case(range_process_user_range):
-        if (value_is_in_range(&range->user_range, fdata->num) == FALSE) {
+        if (value_is_in_range(range->user_range, fdata->num) == FALSE) {
           return range_process_next;
         }
         break;
@@ -246,7 +296,23 @@ range_process_e packet_range_process_packet(packet_range_t *range, frame_data *f
 
 void packet_range_convert_str(packet_range_t *range, const gchar *es)
 {
-    range_convert_str(&range->user_range, es, cfile.count);
+    range_t *new_range;
+    convert_ret_t ret;
+
+    if (range->user_range != NULL)
+        g_free(range->user_range);
+    ret = range_convert_str(&new_range, es, cfile.count);
+    if (ret != CVT_NO_ERROR) {
+        /* range isn't valid */
+        range->user_range                 = NULL;
+        range->user_range_status          = ret;
+        range->user_range_cnt             = 0L;
+        range->ignored_user_range_cnt     = 0L;
+        range->displayed_user_range_cnt   = 0L;
+        range->displayed_ignored_user_range_cnt = 0L;
+        return;
+    }
+    range->user_range = new_range;
 
     /* calculate new user specified packet range counts */
     packet_range_calc_user(range);