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Diffstat (limited to 'epan/dissectors/packet-t38.h')
| -rw-r--r-- | epan/dissectors/packet-t38.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/epan/dissectors/packet-t38.h b/epan/dissectors/packet-t38.h new file mode 100644 index 00000000..f8d365c0 --- /dev/null +++ b/epan/dissectors/packet-t38.h @@ -0,0 +1,82 @@ +/* Do not modify this file. Changes will be overwritten. */ +/* Generated automatically by the ASN.1 to Wireshark dissector compiler */ +/* packet-t38.h */ +/* asn2wrs.py -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 { + guint16 seq_num; /* UDPTLPacket sequence number */ + gint32 type_msg; /* 0=t30-indicator 1=data */ + guint32 t30ind_value; + guint32 data_value; /* standard and speed */ + guint32 setup_frame_number; + guint32 Data_Field_field_type_value; + guint8 t30_Facsimile_Control; + gchar desc[MAX_T38_DESC]; /* Description used to be displayed in the frame label Graph Anlaysis */ + gchar desc_comment[MAX_T38_DESC]; /* Description used to be displayed in the Comment Graph Anlaysis */ + double time_first_t4_data; + guint32 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 { + + guint32 reass_ID; + int reass_start_seqnum; + guint32 reass_start_data_field; + guint32 reass_data_type; + gint32 last_seqnum; /* used to avoid duplicated seq num shown in the Graph Analysis */ + guint32 packet_lost; + guint32 burst_lost; + double time_first_t4_data; + guint32 additional_hdlc_data_field_counter; + gint32 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 +{ + gchar setup_method[MAX_T38_SETUP_METHOD_SIZE + 1]; + guint32 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 gchar *setup_method, guint32 setup_frame_number); + + +WS_DLL_PUBLIC const value_string t38_T30_indicator_vals[]; +WS_DLL_PUBLIC const value_string t38_T30_data_vals[]; + + + |