forked from osmocom/wireshark
195 lines
4 KiB
C
195 lines
4 KiB
C
/* ftypes.h
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* Definitions for field types
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*
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* $Id: ftypes.h,v 1.9 2002/02/15 09:01:21 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef FTYPES_H
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#define FTYPES_H
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#include <glib.h>
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/* field types */
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enum ftenum {
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FT_NONE, /* used for text labels with no value */
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FT_PROTOCOL,
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FT_BOOLEAN, /* TRUE and FALSE come from <glib.h> */
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FT_UINT8,
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FT_UINT16,
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FT_UINT24, /* really a UINT32, but displayed as 3 hex-digits if FD_HEX*/
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FT_UINT32,
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FT_UINT64,
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FT_INT8,
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FT_INT16,
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FT_INT24, /* same as for UINT24 */
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FT_INT32,
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FT_INT64,
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FT_DOUBLE,
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FT_ABSOLUTE_TIME,
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FT_RELATIVE_TIME,
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FT_STRING,
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FT_STRINGZ, /* for use with proto_tree_add_item() */
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FT_UINT_STRING, /* for use with proto_tree_add_item() */
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/*FT_UCS2_LE, */ /* Unicode, 2 byte, Little Endian */
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FT_ETHER,
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FT_BYTES,
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FT_IPv4,
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FT_IPv6,
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FT_IPXNET,
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FT_NUM_TYPES /* last item number plus one */
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};
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typedef enum ftenum ftenum_t;
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typedef struct _ftype_t ftype_t;
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/* Initialize the ftypes subsytem. Called once. */
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void
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ftypes_initialize(void);
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/* Cleanup the ftypes subsystem. Called once. */
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void
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ftypes_cleanup(void);
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/* ---------------- FTYPE ----------------- */
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/* Return a string representing the name of the type */
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const char*
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ftype_name(ftenum_t ftype);
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/* Return a string presenting a "pretty" representation of the
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* name of the type. The pretty name means more to the user than
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* that "FT_*" name. */
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const char*
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ftype_pretty_name(ftenum_t ftype);
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/* Returns length of field in packet, or 0 if not determinable/defined. */
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int
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ftype_length(ftenum_t ftype);
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gboolean
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ftype_can_slice(enum ftenum ftype);
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gboolean
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ftype_can_eq(enum ftenum ftype);
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gboolean
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ftype_can_ne(enum ftenum ftype);
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gboolean
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ftype_can_gt(enum ftenum ftype);
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gboolean
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ftype_can_ge(enum ftenum ftype);
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gboolean
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ftype_can_lt(enum ftenum ftype);
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gboolean
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ftype_can_le(enum ftenum ftype);
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/* ---------------- FVALUE ----------------- */
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#include <epan/ipv4.h>
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#ifdef HAVE_WINSOCK_H
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#include <winsock.h>
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#endif
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#include <epan/tvbuff.h>
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#include <epan/nstime.h>
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#include <epan/dfilter/drange.h>
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typedef struct {
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ftype_t *ftype;
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union {
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/* Put a few basic types in here */
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gpointer pointer;
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guint32 integer;
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gdouble floating;
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gchar *string;
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GByteArray *bytes;
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ipv4_addr ipv4;
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nstime_t time;
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tvbuff_t *tvb;
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} value;
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} fvalue_t;
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fvalue_t*
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fvalue_new(ftenum_t ftype);
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void
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fvalue_free(fvalue_t *fv);
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typedef void (*LogFunc)(char*,...);
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fvalue_t*
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fvalue_from_string(ftenum_t ftype, char *s, LogFunc log);
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const char*
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fvalue_type_name(fvalue_t *fv);
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void
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fvalue_set(fvalue_t *fv, gpointer value, gboolean already_copied);
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void
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fvalue_set_integer(fvalue_t *fv, guint32 value);
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void
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fvalue_set_floating(fvalue_t *fv, gdouble value);
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gpointer
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fvalue_get(fvalue_t *fv);
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guint32
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fvalue_get_integer(fvalue_t *fv);
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double
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fvalue_get_floating(fvalue_t *fv);
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gboolean
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fvalue_eq(fvalue_t *a, fvalue_t *b);
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gboolean
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fvalue_ne(fvalue_t *a, fvalue_t *b);
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gboolean
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fvalue_gt(fvalue_t *a, fvalue_t *b);
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gboolean
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fvalue_ge(fvalue_t *a, fvalue_t *b);
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gboolean
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fvalue_lt(fvalue_t *a, fvalue_t *b);
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gboolean
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fvalue_le(fvalue_t *a, fvalue_t *b);
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guint
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fvalue_length(fvalue_t *fv);
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fvalue_t*
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fvalue_slice(fvalue_t *fv, drange *drange);
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#endif /* ftypes.h */
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