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/* Do not modify this file. Changes will be overwritten. */
/* Generated automatically by the ASN.1 to Wireshark dissector compiler */
/* packet-t38.h */
/* asn2wrs.py -q -L -p t38 -c ./t38.cnf -s ./packet-t38-template -D . -O ../.. T38_2002.asn */
/* packet-t38.h
*
* Routines for T38 dissection
* 2003 Hans Viens
* 2004 Alejandro Vaquero, add support to conversation
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "ws_symbol_export.h"
#define MAX_T38_DATA_ITEMS 4
#define MAX_T38_DESC 128
typedef struct _t38_packet_info {
uint16_t seq_num; /* UDPTLPacket sequence number */
int32_t type_msg; /* 0=t30-indicator 1=data */
uint32_t t30ind_value;
uint32_t data_value; /* standard and speed */
uint32_t setup_frame_number;
uint32_t Data_Field_field_type_value;
uint8_t t30_Facsimile_Control;
char desc[MAX_T38_DESC]; /* Description used to be displayed in the frame label Graph Analysis */
char desc_comment[MAX_T38_DESC]; /* Description used to be displayed in the Comment Graph Analysis */
double time_first_t4_data;
uint32_t frame_num_first_t4_data;
} t38_packet_info;
#define MAX_T38_SETUP_METHOD_SIZE 7
/* Info to save the State to reassemble Data (e.g. HDLC) and the Setup (e.g. SDP) in T38 conversations */
typedef struct _t38_conv_info t38_conv_info;
struct _t38_conv_info {
uint32_t reass_ID;
int reass_start_seqnum;
uint32_t reass_start_data_field;
uint32_t reass_data_type;
int32_t last_seqnum; /* used to avoid duplicated seq num shown in the Graph Analysis */
uint32_t packet_lost;
uint32_t burst_lost;
double time_first_t4_data;
uint32_t additional_hdlc_data_field_counter;
int32_t seqnum_prev_data_field;
t38_conv_info *next;
};
/* Info to save the State to reassemble Data (e.g. HDLC) and the Setup (e.g. SDP) in T38 conversations */
typedef struct _t38_conv
{
char setup_method[MAX_T38_SETUP_METHOD_SIZE + 1];
uint32_t setup_frame_number;
t38_conv_info src_t38_info;
t38_conv_info dst_t38_info;
} t38_conv;
/* Add an T38 conversation with the given details */
WS_DLL_PUBLIC
void t38_add_address(packet_info *pinfo,
address *addr, int port,
int other_port,
const char *setup_method, uint32_t setup_frame_number);
WS_DLL_PUBLIC const value_string t38_T30_indicator_vals[];
WS_DLL_PUBLIC const value_string t38_T30_data_vals[];
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