a009cc0605
svn path=/trunk/; revision=33990
144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
/*
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* camel-persistentdata.h
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* Definitions for lists and hash tables used in wireshark's camel dissector
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* for calculation of delays in camel-transactions
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* Copyright 2006 Florent Drouin
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*
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* $Id$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __CAMEL_PERSISTENTDATA_H__
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#define __CAMEL_PERSISTENTDATA_H__
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#include <epan/packet.h>
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#include <epan/conversation.h>
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#include <epan/dissectors/packet-camel.h>
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#include <epan/tcap-persistentdata.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/** @file
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*/
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#define NB_CAMELSRT_CATEGORY 9+1 /**< Number of type of message */
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/* for example TC_BEGIN with InitalDP, and TC_CONT with RequestReportBCSMEvent
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is a category, we want to measure the delay between the two messages */
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#define CAMELSRT_SESSION 1
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#define CAMELSRT_VOICE_INITIALDP 2
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#define CAMELSRT_VOICE_ACR1 3
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#define CAMELSRT_VOICE_ACR2 4
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#define CAMELSRT_VOICE_ACR3 5
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#define CAMELSRT_VOICE_DISC 6
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#define CAMELSRT_GPRS_INITIALDP 7
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#define CAMELSRT_GPRS_REPORT 8
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#define CAMELSRT_SMS_INITIALDP 9
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WS_VAR_IMPORT const value_string camelSRTtype_naming[];
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/** If we have a request message and its response,
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(eg: ApplyCharging, ApplyChargingReport)
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the frames numbers are stored in this structure */
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struct camelsrt_category_t {
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guint32 req_num; /**< frame number request seen */
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guint32 rsp_num; /**< frame number response seen */
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nstime_t req_time; /**< arrival time of request */
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gboolean responded; /**< true, if request has been responded */
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};
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/** List of stored parameters for a Camel dialogue
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All this parameters are linked to the hash table key below (use of Tid)
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In case of same Tid reused, the Camel parameters are chained.
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The right dialogue will be identified with the arrival time of the InitialDP */
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struct camelsrt_call_t {
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guint32 session_id; /**< Identify the session, with an internal number */
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struct tcaphash_context_t * tcap_context;
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struct camelsrt_category_t category[NB_CAMELSRT_CATEGORY];
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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 camelsrt_call_info_key_t {
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guint32 SessionIdKey;
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};
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/** Info for a couple of messages (or category)
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The request must be available, not duplicated,
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and once the corresponding response received,
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we can deduce the Delta Time between Request/response */
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struct camelsrt_msginfo_t {
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gboolean request_available;
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gboolean is_duplicate;
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gboolean is_delta_time;
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nstime_t req_time;
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nstime_t delta_time;
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};
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/** List of infos to store for the analyse */
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struct camelsrt_info_t {
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guint32 tcap_session_id;
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void * tcap_context;
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guint8 opcode; /**< operation code of message received */
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guint8 bool_msginfo[NB_CAMELSRT_CATEGORY]; /**< category for the received message */
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struct camelsrt_msginfo_t msginfo[NB_CAMELSRT_CATEGORY];
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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 camelsrt_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 camelsrt_info_t * camelsrt_razinfo(void);
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/**
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* Service Response Time analyze, called just after the camel dissector
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* According to the camel operation, we
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* - open/close a context for the camel session
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* - look for a request, or look for the corresponding response
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*/
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void camelsrt_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 camelsrt_info_t * p_camel_info);
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WS_VAR_IMPORT gboolean gcamel_StatSRT;
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* camel-persistentdata.h */
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