epan/tpg.h

   1 /* tpg.h
   2  * Definitions of helper functions for TPG
   3  *
   4  *  (c) 2005, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
   5  *
   6  * $Id$
   7  *
   8  * Ethereal - Network traffic analyzer
   9  * By Gerald Combs <gerald@ethereal.com>
  10  * Copyright 1998 Gerald Combs
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  25  */
  26
  27 #ifndef _TPG_H_
  28 #define _TPG_H_
  29
  30 #include <glib.h>
  31 #include <epan/packet.h>
  32 #include <epan/proto.h>
  33 #include <epan/tvbuff.h>
  34 #include <epan/tvbparse.h>
  35 #include <epan/emem.h>
  36
  37
  38 typedef struct _tpg_stack_frame_t {
  39     proto_tree* tree;
  40     struct _tpg_stack_frame_t* down;
  41 } tpg_stack_frame_t;
  42
  43 typedef struct _tpg_parser_data_t {
  44     tpg_stack_frame_t* stack;
  45     tvbparse_t* tt;
  46     void* private_data;
  47 } tpg_parser_data_t;
  48
  49 extern tpg_parser_data_t* tpg_start(proto_tree* root_tree,
  50                                     tvbuff_t* tvb,
  51                                     int offset,
  52                                     int len,
  53                                     void* private_data);
  54 #define TPG_START(tree,tvb,offset,len,data) tpg_start((tree),(tvb),(offset),(len),(data))
  55
  56 #define TPG_GET(tpg, wanted)  tvbparse_get((tpg)->tt,(wanted))
  57 #define TPG_FIND(tpg, wanted)  tvbparse_find((tpg)->tt,(wanted))
  58
  59 #define TPG_TREE(vp) (((tpg_parser_data_t*)(vp))->tree)
  60 #define TPG_DATA(vp,type) (((type*)(((tpg_parser_data_t*)(vp))->private_data)))
  61
  62 #define TPG_STRING(i) tvb_get_ephemeral_string((i)->tvb,(i)->offset,(i)->len)
  63 #define TPG_INT(i) strtol(tvb_get_ephemeral_string((i)->tvb,(i)->offset,(i)->len),NULL,10)
  64 #define TPG_UINT(i) strtoul(tvb_get_ephemeral_string((i)->tvb,(i)->offset,(i)->len),NULL,10)
  65 #define TPG_UINT_HEX(i) strtoul(tvb_get_ephemeral_string((i)->tvb,(i)->offset,(i)->len),NULL,16)
  66 #define TPG_TVB(i) tvb_new_subset((i)->tvb,(i)->offset,(i)->len,(i)->len)
  67
  68 extern guint32 tpg_ipv4(tvbparse_elem_t*);
  69 #define TPG_IPV4(i) tpg_ipv4((i))
  70
  71 extern guint8* tpg_ipv6(tvbparse_elem_t*);
  72 #define TPG_IPV6(i) tpg_ipv6((i))
  73
  74 extern void tpg_push(tpg_parser_data_t*, proto_item*, gint ett);
  75 #define TPG_PUSH(tpg,pi,ett) tpg_push(((tpg_parser_data_t*)tpg),(pi),(ett))
  76
  77 extern tpg_stack_frame_t* tpg_pop(tpg_parser_data_t* tpg);
  78 #define TPG_POP(tpg) tpg_pop(((tpg_parser_data_t*)tpg))
  79
  80 #define TPG_ADD_STRING(tpg,  hfid, elem) proto_tree_add_item(((tpg_parser_data_t*)tpg)->stack->tree, hfid, (elem)->tvb, (elem)->offset, (elem)->len, FALSE)
  81 #define TPG_ADD_BOOLEAN(tpg,  hfid, elem) proto_tree_add_boolean(((tpg_parser_data_t*)tpg)->stack->tree, hfid, (elem)->tvb, (elem)->offset, (elem)->len, TRUE)
  82 #define TPG_ADD_INT(tpg,  hfid, elem, value) proto_tree_add_int(((tpg_parser_data_t*)tpg)->stack->tree, hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  83 #define TPG_ADD_UINT(tpg,  hfid, elem, value) proto_tree_add_uint(((tpg_parser_data_t*)tpg)->stack->tree, hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  84 #define TPG_ADD_IPV4(tpg,  hfid, elem, value) proto_tree_add_ipv4(((tpg_parser_data_t*)tpg)->stack->tree, hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  85 #define TPG_ADD_IPV6(tpg,  hfid, elem, value) proto_tree_add_ipv6(((tpg_parser_data_t*)tpg)->stack->tree, hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  86 #define TPG_ADD_TEXT(tpg, elem) proto_tree_add_text(((tpg_parser_data_t*)tpg)->stack->tree, (elem)->tvb, (elem)->offset, (elem)->len, \
  87                                                              "%s",tvb_format_text((elem)->tvb, (elem)->offset, (elem)->len))
  88
  89 #define TPG_SET_TEXT(pi, elem) proto_item_set_text((pi), "%s",tvb_format_text((elem)->tvb, (elem)->offset, (elem)->len))
  90
  91 #endif /* _TPG_H_ */