epan/tpg.h

   1 /* tpg.h
   2  * Definitions of helper functions for TPG
   3  *
   4  *  (c) 2005, Luis E. Garcia Ontanon <luis@ontanon.org>
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  */
  24
  25 #ifndef _TPG_H_
  26 #define _TPG_H_
  27
  28 #include <glib.h>
  29 #include <epan/packet.h>
  30 #include <epan/proto.h>
  31 #include <epan/tvbuff.h>
  32 #include <epan/tvbparse.h>
  33 #include <epan/wmem/wmem.h>
  34 #include "ws_symbol_export.h"
  35
  36 typedef struct _tpg_parser_data_t {
  37     wmem_stack_t *stack;
  38     tvbparse_t* tt;
  39     void* private_data;
  40 } tpg_parser_data_t;
  41
  42 extern tpg_parser_data_t* tpg_start(proto_tree* root_tree,
  43                                     tvbuff_t* tvb,
  44                                     int offset,
  45                                     int len,
  46                                     tvbparse_wanted_t* ignore,
  47                                     void* private_data);
  48
  49 #define TPG_START(tree,tvb,offset,len,data) tpg_start((tree),(tvb),(offset),(len),(data))
  50
  51 #define TPG_GET(tpg, wanted)  tvbparse_get((tpg)->tt,(wanted))
  52 #define TPG_FIND(tpg, wanted)  tvbparse_find((tpg)->tt,(wanted))
  53
  54 #define TPG_TREE(vp) (((tpg_parser_data_t*)(vp))->tree)
  55 #define TPG_DATA(vp,type) (((type*)(((tpg_parser_data_t*)(vp))->private_data)))
  56
  57 #define TPG_STRING(i) tvb_get_string(wmem_packet_scope(), (i)->tvb,(i)->offset,(i)->len)
  58 #define TPG_INT(i) strtol(tvb_get_string(wmem_packet_scope(), (i)->tvb,(i)->offset,(i)->len),NULL,10)
  59 #define TPG_UINT(i) strtoul(tvb_get_string(wmem_packet_scope(), (i)->tvb,(i)->offset,(i)->len),NULL,10)
  60 #define TPG_UINT_HEX(i) strtoul(tvb_get_string(wmem_packet_scope(), (i)->tvb,(i)->offset,(i)->len),NULL,16)
  61 #define TPG_TVB(i) tvb_new_subset((i)->tvb,(i)->offset,(i)->len,(i)->len)
  62
  63 WS_DLL_PUBLIC guint32 tpg_ipv4(tvbparse_elem_t*);
  64 #define TPG_IPV4(i) tpg_ipv4((i))
  65
  66 WS_DLL_PUBLIC guint8* tpg_ipv6(tvbparse_elem_t*);
  67 #define TPG_IPV6(i) tpg_ipv6((i))
  68
  69 #define TPG_PUSH(tpg,pi,ett) wmem_stack_push(((tpg_parser_data_t*)(tpg))->stack,proto_item_add_subtree((pi),(ett)))
  70 #define TPG_POP(tpg) wmem_stack_pop(((tpg_parser_data_t*)(tpg))->stack) ;
  71
  72 #define TPG_ADD_STRING(tpg,  hfid, elem) proto_tree_add_item(ep_stack_peek(((tpg_parser_data_t*)tpg)->stack), hfid, (elem)->tvb, (elem)->offset, (elem)->len, FALSE)
  73 #define TPG_ADD_BOOLEAN(tpg,  hfid, elem) proto_tree_add_boolean(ep_stack_peek(((tpg_parser_data_t*)tpg)->stack), hfid, (elem)->tvb, (elem)->offset, (elem)->len, TRUE)
  74 #define TPG_ADD_INT(tpg,  hfid, elem, value) proto_tree_add_int(ep_stack_peek(((tpg_parser_data_t*)tpg)->stack), hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  75 #define TPG_ADD_UINT(tpg,  hfid, elem, value) proto_tree_add_uint(ep_stack_peek(((tpg_parser_data_t*)tpg)->stack), hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  76 #define TPG_ADD_IPV4(tpg,  hfid, elem, value) proto_tree_add_ipv4(ep_stack_peek(((tpg_parser_data_t*)tpg)->stack), hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  77 #define TPG_ADD_IPV6(tpg,  hfid, elem, value) proto_tree_add_ipv6(ep_stack_peek(((tpg_parser_data_t*)tpg)->stack), hfid, (elem)->tvb, (elem)->offset, (elem)->len, value)
  78 #define TPG_ADD_TEXT(tpg, elem) proto_tree_add_format_text(ep_stack_peek(((tpg_parser_data_t*)tpg)->stack), (elem)->tvb, (elem)->offset, (elem)->len)
  79
  80 #define TPG_SET_TEXT(pi, elem) proto_item_set_text((pi), "%s",tvb_format_text((elem)->tvb, (elem)->offset, (elem)->len))
  81
  82 #endif /* _TPG_H_ */