forked from osmocom/wireshark
![Balint Reczey](/assets/img/avatar_default.png)
Also remove old WS_VAR_IMPORT define and related Makefile magic everywhere in the project. svn path=/trunk/; revision=47992
178 lines
5.1 KiB
C
178 lines
5.1 KiB
C
/*
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* tcap-persistentdata.h
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* Definitions for lists and hash tables used in wireshark's tcap dissector
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* for calculation of delays in tcap-transactions
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* Copyright 2006 Florent Drouin (based on h225-persistentdata from Lars Roland)
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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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* $Id$
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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 __tcapsrt_HASH__
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#define __tcapsrt_HASH__
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#include <epan/packet.h>
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#include <epan/conversation.h>
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#include <epan/dissectors/packet-tcap.h>
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#include "ws_symbol_export.h"
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/** @file
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* lists and hash tables used in wireshark's tcap dissector
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* for calculation of delays in tcap-calls
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*/
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#define LENGTH_OID 23
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struct tcaphash_context_t {
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struct tcaphash_context_key_t * key;
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guint32 session_id;
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guint32 first_frame;
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guint32 last_frame;
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nstime_t begin_time; /**< time of arrival of TC_BEGIN */
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nstime_t end_time; /**< time of closing message */
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gboolean responded; /**< true, if request has been responded */
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gboolean closed;
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gboolean upper_dissector;
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gboolean oid_present;
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gchar oid[LENGTH_OID+1];
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gboolean subdissector_present;
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dissector_handle_t subdissector_handle;
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void (* callback) (tvbuff_t *,packet_info *, proto_tree *, struct tcaphash_context_t *);
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struct tcaphash_begincall_t * begincall;
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struct tcaphash_contcall_t * contcall;
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struct tcaphash_endcall_t * endcall;
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struct tcaphash_ansicall_t * ansicall;
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};
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struct tcaphash_begincall_t {
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struct tcaphash_begin_info_key_t * beginkey;
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struct tcaphash_context_t * context;
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gboolean father;
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struct tcaphash_begincall_t * next_begincall;
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struct tcaphash_begincall_t * previous_begincall;
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};
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struct tcaphash_contcall_t {
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struct tcaphash_cont_info_key_t * contkey;
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struct tcaphash_context_t * context;
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gboolean father;
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struct tcaphash_contcall_t * next_contcall;
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struct tcaphash_contcall_t * previous_contcall;
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};
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struct tcaphash_endcall_t {
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struct tcaphash_end_info_key_t * endkey;
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struct tcaphash_context_t * context;
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gboolean father;
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struct tcaphash_endcall_t * next_endcall;
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struct tcaphash_endcall_t * previous_endcall;
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};
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struct tcaphash_ansicall_t {
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struct tcaphash_ansi_info_key_t * ansikey;
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struct tcaphash_context_t * context;
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gboolean father;
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struct tcaphash_ansicall_t * next_ansicall;
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struct tcaphash_ansicall_t * previous_ansicall;
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};
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/** The Key for the hash table is the TCAP origine transaction identifier
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of the TC_BEGIN containing the InitialDP */
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struct tcaphash_context_key_t {
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guint32 session_id;
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};
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struct tcaphash_begin_info_key_t {
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guint32 hashKey;
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guint32 tid;
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guint32 opc_hash;
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guint32 dpc_hash;
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};
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struct tcaphash_cont_info_key_t {
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guint32 hashKey;
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guint32 src_tid;
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guint32 dst_tid;
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guint32 opc_hash;
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guint32 dpc_hash;
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};
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struct tcaphash_end_info_key_t {
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guint32 hashKey;
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guint32 tid;
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guint32 opc_hash;
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guint32 dpc_hash;
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};
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struct tcaphash_ansi_info_key_t {
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guint32 hashKey;
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guint32 tid;
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guint32 opc_hash;
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guint32 dpc_hash;
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};
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/** List of infos to store for the analyse */
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struct tcapsrt_info_t {
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guint32 tcap_session_id;
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guint32 src_tid;
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guint32 dst_tid;
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guint8 ope;
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};
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/**
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* Routine called when the TAP is initialized.
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* so hash table are (re)created
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*/
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void tcapsrt_init_routine(void);
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/**
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* Initialize the Message Info used by the main dissector
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* Data are linked to a TCAP transaction
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*/
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struct tcapsrt_info_t * tcapsrt_razinfo(void);
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void tcapsrt_close(struct tcaphash_context_t * p_tcaphash_context,
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packet_info * pinfo _U_);
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/**
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* Service Response Time analyze
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* Called just after dissector call
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* Associate a TCAP context to a tcap session and display session related infomations
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* like the first frame, the last, the session duration,
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* and a uniq session identifier for the filtering
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*
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* For ETSI tcap, the TCAP context can be reached through three keys
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* - a key (BEGIN) identifying the session according to the tcap source identifier
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* - a key (CONT) identifying the established session (src_id and dst_id)
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* - a key (END) identifying the session according to the tcap destination identifier
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*
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* For ANSI tcap, the TCAP context is reached through a uniq key
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* - a key (ANSI) identifying the session according to the tcap identifier
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*/
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struct tcaphash_context_t * tcapsrt_call_matching(tvbuff_t *tvb,
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packet_info * pinfo _U_,
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proto_tree *tree,
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struct tcapsrt_info_t * p_tcap_info);
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WS_DLL_PUBLIC gboolean gtcap_StatSRT;
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#endif /* __tcapsrt_HASH__*/
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