/* proto.h
* Definitions for protocol display
*
- * $Id: proto.h,v 1.7 1999/08/26 06:20:50 gram Exp $
+ * $Id: proto.h,v 1.19 1999/11/15 06:32:15 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
#define __PROTO_H__
#ifdef HAVE_SYS_TIME_H
- #ifndef _SYS_TIME_H
- #include <sys/time.h>
- #endif
+# ifndef _SYS_TIME_H
+# include <sys/time.h>
+# endif
#endif
#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
+# include <winsock.h>
+#endif
+
+#ifndef __IPV4_H__
+#include "ipv4.h"
#endif
/* needs glib.h */
* need this macro */
#define VALS(x) (struct value_string*)(x)
+/* ... and similarly, */
+#define TFS(x) (struct true_false_string*)(x)
/* field types */
enum ftenum {
FT_BOOLEAN, /* TRUE and FALSE come from <glib.h> */
FT_UINT8,
FT_UINT16,
+ FT_UINT24, /* really a UINT32, but displayed as 3 hex-digits if FD_HEX*/
FT_UINT32,
+ FT_INT8,
+ FT_INT16,
+ FT_INT24,
+ FT_INT32,
+ FT_DOUBLE,
FT_ABSOLUTE_TIME,
FT_RELATIVE_TIME,
FT_STRING,
FT_IPv4,
FT_IPv6,
FT_IPXNET,
- FT_VALS_UINT8,
- FT_VALS_UINT16,
- FT_VALS_UINT24,
- FT_VALS_UINT32,
FT_TEXT_ONLY, /* non-filterable, used when converting ethereal
from old-style proto_tree to new-style proto_tree */
NUM_FIELD_TYPES /* last item number plus one */
};
+enum {
+ BASE_NONE,
+ BASE_DEC,
+ BASE_HEX,
+ BASE_OCT,
+ BASE_BIN
+};
+
/* information describing a header field */
typedef struct header_field_info {
char *name;
char *abbrev;
enum ftenum type;
- struct value_string *vals;
- int id; /* assigned by order of registration */
- int parent; /* parent protocol */
+ int display; /* for integers only, so far. Base and Endianness */
+ void *strings; /* val_string or true_false_string */
+ guint32 bitmask;
+ char *blurb; /* Brief description of field. */
+
+ int id; /* assigned by registration function, not programmer */
+ int parent; /* parent protocol */
+ int bitshift; /* bits to shift */
} header_field_info;
/* Used when registering many fields at once */
header_field_info hfinfo;
} hf_register_info;
-#ifdef WIN32
-/* 'boolean' is a reserved word on win32 */
-#define boolean truth_value
-#endif
/* Info stored in each proto_item GNode */
typedef struct field_info {
char *representation; /* for GUI tree */
int visible;
union {
- gboolean boolean;
guint32 numeric;
- struct timeval abs_time; /* the whole struct, not a pointer */
+ struct timeval time; /* the whole struct, not a pointer */
+ gdouble floating;
gchar *string;
+ guint8 *bytes;
guint8 ether[6];
+ ipv4_addr ipv4;
+ guint8 ipv6[16];
} value;
} field_info;
+/* used when calling proto search functions */
typedef struct proto_tree_search_info {
- int target_field;
- GArray *result_array;
- const guint8 *packet_data;
+ int target;
+ int parent;
+ const guint8 *packet_data;
+ guint packet_len;
+ GNodeTraverseFunc traverse_func;
+ union {
+ GArray *array;
+ GNode *node;
+ } result;
} proto_tree_search_info;
/* Sets up memory used by proto routines. Called at program startup */
/* Frees memory used by proto routines. Called at program shutdown */
void proto_cleanup(void);
+/* Set length of proto_item after having already been created. */
void proto_item_set_len(proto_item *ti, gint length);
+
+/* Creates new proto_tree root */
proto_tree* proto_tree_create_root(void);
+
+/* Clear memory for entry proto_tree. Clears proto_tree struct also. */
void proto_tree_free(proto_tree *tree);
+
+/* Create a subtree under an existing item; returns tree pointer */
proto_tree* proto_item_add_subtree(proto_item *ti, gint idx);
int
void
proto_item_fill_label(field_info *fi, gchar *label_str);
-/* useful functions for external routines to get info about registered protos and fields */
+/* Returns number of items (protocols or header fields) registered. */
int proto_registrar_n(void);
+
+/* Returns char* to name for item # n (0-indexed) */
+char* proto_registrar_get_name(int n);
+
+/* Returns char* to abbrev for item # n (0-indexed) */
char* proto_registrar_get_abbrev(int n);
+
+/* Returns enum ftenum for item # n */
int proto_registrar_get_ftype(int n);
+
+/* Returns parent protocol for item # n.
+ * Returns -1 if item _is_ a protocol */
int proto_registrar_get_parent(int n);
+
+/* Is item #n a protocol? */
gboolean proto_registrar_is_protocol(int n);
-proto_item* proto_find_field(proto_tree* tree, int id);
-proto_item* proto_find_protocol(proto_tree* tree, int protocol_id);
-void proto_get_field_values(proto_tree* subtree, GNodeTraverseFunc fill_array_func,
- proto_tree_search_info *sinfo);
+
+/* Get length of registered field according to field type.
+ * 0 means undeterminable at registration time.
+ * -1 means unknown field */
+gint proto_registrar_get_length(int n);
+
+/* Checks for existence any protocol or field within a tree.
+ * TRUE = found, FALSE = not found */
+gboolean proto_check_for_protocol_or_field(proto_tree* tree, int id);
+
+/* Search for a protocol subtree, which can occur more than once, and for each successful
+ * find, call the calback function, passing sinfo as the second argument */
+void proto_find_protocol_multi(proto_tree* tree, int target, GNodeTraverseFunc callback,
+ proto_tree_search_info *sinfo);
+
+/* Just a wrapper to call sinfo->traverse_func() for all nodes in the subtree, with the GNode
+ * and sinfo as the two arguments to sinfo->traverse_func(). Useful when you have to process
+ * all nodes in a subtree. */
+gboolean proto_get_field_values(proto_tree* subtree, proto_tree_search_info *sinfo);
/* Dumps a glossary of the protocol and field registrations to STDOUT */
void proto_registrar_dump(void);
+/* Is the parsing being done for a visible proto_tree or an invisible one?
+ * By setting this correctly, the proto_tree creation is sped up by not
+ * having to call vsnprintf and copy strings around.
+ */
+extern gboolean proto_tree_is_visible;
+
#endif /* proto.h */
git.samba.org / metze / wireshark / wip.git / blobdiff