195 lines
6.0 KiB
C
195 lines
6.0 KiB
C
/* expert.h
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* Collecting of Expert information.
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*
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* For further info, see: http://wiki.wireshark.org/Development/ExpertInfo
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __EXPERT_H__
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#define __EXPERT_H__
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#include <epan/packet_info.h>
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#include <epan/proto.h>
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#include "value_string.h"
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#include "ws_symbol_export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/** only for internal and display use. */
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typedef struct expert_info_s {
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guint32 packet_num;
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int group;
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int severity;
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const gchar *protocol;
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gchar *summary;
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proto_item *pitem;
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} expert_info_t;
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/* Expert Info and Display hf data */
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typedef struct expert_field
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{
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int ei;
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int hf;
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} expert_field;
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#define EI_INIT_EI -1
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#define EI_INIT_HF -1
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#define EI_INIT {EI_INIT_EI, EI_INIT_HF}
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typedef struct expert_field_info {
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/* ---------- set by dissector --------- */
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const char *name;
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int group;
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int severity;
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const gchar *summary;
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/* ------- set by register routines (prefilled by EXPFILL macro, see below) ------ */
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int id;
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const gchar *protocol;
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hf_register_info hf_info;
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} expert_field_info;
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#define EXPFILL 0, NULL, \
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{0, {"Expert Info", NULL, FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL}}
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typedef struct ei_register_info {
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expert_field *ids; /**< written to by register() function */
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expert_field_info eiinfo; /**< the field info to be registered */
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} ei_register_info;
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typedef struct expert_module expert_module_t;
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#define PRE_ALLOC_EXPERT_FIELDS_MEM 5000
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/* "proto_expert" is exported from libwireshark.dll.
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* Thus we need a special declaration.
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*/
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WS_DLL_PUBLIC int proto_expert;
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extern void
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expert_init(void);
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extern void
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expert_packet_init(void);
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extern void
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expert_cleanup(void);
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extern void
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expert_packet_cleanup(void);
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WS_DLL_PUBLIC int
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expert_get_highest_severity(void);
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WS_DLL_PUBLIC void
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expert_update_comment_count(guint64 count);
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/** Add an expert info.
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Add an expert info tree to a protocol item using registered expert info item
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@param pinfo Packet info of the currently processed packet. May be NULL if
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pi is supplied
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@param pi Current protocol item (or NULL)
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@param eiindex The registered expert info item
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*/
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WS_DLL_PUBLIC void
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expert_add_info(packet_info *pinfo, proto_item *pi, expert_field* eiindex);
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/** Add an expert info.
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Add an expert info tree to a protocol item, using registered expert info item,
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but with a formatted message.
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@param pinfo Packet info of the currently processed packet. May be NULL if
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pi is supplied
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@param pi Current protocol item (or NULL)
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@param eiindex The registered expert info item
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@param format Printf-style format string for additional arguments
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*/
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WS_DLL_PUBLIC void
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expert_add_info_format(packet_info *pinfo, proto_item *pi, expert_field *eiindex,
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const char *format, ...) G_GNUC_PRINTF(4, 5);
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/** Add an expert info associated with some byte data
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Add an expert info tree to a protocol item using registered expert info item.
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This function is intended to replace places where
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proto_tree_add_text or proto_tree_add_none_format + expert_add_info
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would be used.
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@param tree Current protocol item (or NULL)
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@param pinfo Packet info of the currently processed packet. May be NULL if
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pi is supplied
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@param eiindex The registered expert info item
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@param tvb the tv buffer of the current data
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@param start start of data in tvb
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@param length length of data in tvb
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@return the newly created item above expert info tree
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*/
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WS_DLL_PUBLIC proto_item *
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proto_tree_add_expert(proto_tree *tree, packet_info *pinfo, expert_field* eiindex,
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tvbuff_t *tvb, gint start, gint length);
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/** Add an expert info associated with some byte data
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Add an expert info tree to a protocol item, using registered expert info item,
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but with a formatted message.
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This function is intended to replace places where
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proto_tree_add_text or proto_tree_add_none_format + expert_add_info_format
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would be used.
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@param tree Current protocol item (or NULL)
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@param pinfo Packet info of the currently processed packet. May be NULL if tree is supplied
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@param eiindex The registered expert info item
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@param tvb the tv buffer of the current data
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@param start start of data in tvb
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@param length length of data in tvb
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@param format Printf-style format string for additional arguments
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@return the newly created item above expert info tree
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*/
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WS_DLL_PUBLIC proto_item *
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proto_tree_add_expert_format(proto_tree *tree, packet_info *pinfo, expert_field* eiindex,
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tvbuff_t *tvb, gint start, gint length, const char *format, ...) G_GNUC_PRINTF(7, 8);
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/*
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* Register that a protocol has expert info.
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*/
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WS_DLL_PUBLIC expert_module_t *expert_register_protocol(int id);
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/** Register a expert field array.
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@param module the protocol handle from expert_register_protocol()
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@param ei the ei_register_info array
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@param num_records the number of records in exp */
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WS_DLL_PUBLIC void
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expert_register_field_array(expert_module_t* module, ei_register_info *ei, const int num_records);
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#define EXPERT_CHECKSUM_DISABLED -2
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#define EXPERT_CHECKSUM_UNKNOWN -1
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#define EXPERT_CHECKSUM_GOOD 0
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#define EXPERT_CHECKSUM_BAD 1
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WS_DLL_PUBLIC const value_string expert_group_vals[];
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WS_DLL_PUBLIC const value_string expert_severity_vals[];
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WS_DLL_PUBLIC const value_string expert_checksum_vals[];
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __EXPERT_H__ */
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