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/* pcap_module.h
*
* Wiretap Library
* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __PCAP_MODULE_H__
#define __PCAP_MODULE_H__
/*
* These are the officially registered block types, from the pcapng
* specification.
*
* XXX - Dear Sysdig People: please add your blocks to the spec!
*/
#define BLOCK_TYPE_SHB 0x0A0D0D0A /* Section Header Block */
#define BLOCK_TYPE_IDB 0x00000001 /* Interface Description Block */
#define BLOCK_TYPE_PB 0x00000002 /* Packet Block (obsolete) */
#define BLOCK_TYPE_SPB 0x00000003 /* Simple Packet Block */
#define BLOCK_TYPE_NRB 0x00000004 /* Name Resolution Block */
#define BLOCK_TYPE_ISB 0x00000005 /* Interface Statistics Block */
#define BLOCK_TYPE_EPB 0x00000006 /* Enhanced Packet Block */
#define BLOCK_TYPE_IRIG_TS 0x00000007 /* IRIG Timestamp Block */
#define BLOCK_TYPE_ARINC_429 0x00000008 /* ARINC 429 in AFDX Encapsulation Information Block */
#define BLOCK_TYPE_SYSDIG_EVENT 0x00000204 /* Sysdig Event Block */
#define BLOCK_TYPE_SYSDIG_EVF 0x00000208 /* Sysdig Event Block with flags */
/* TODO: the following are not yet well defined in the draft spec,
* and do not yet have block type values assigned to them:
* Compression Block
* Encryption Block
* Fixed Length Block
* Directory Block
* Traffic Statistics and Monitoring Blocks
* Event/Security Block
*/
/*
* Reader and writer routines for pcapng block types.
*/
typedef gboolean (*block_reader)(FILE_T, guint32, gboolean, struct wtap_pkthdr *,
Buffer *, int *, gchar **);
typedef gboolean (*block_writer)(wtap_dumper *, const struct wtap_pkthdr *,
const guint8 *, int *);
/*
* Register a handler for a pcapng block type.
*/
WS_DLL_PUBLIC
void register_pcapng_block_type_handler(guint block_type, block_reader read,
block_writer write);
/*
* Handler routine for pcapng option type.
*/
typedef gboolean (*option_handler_fn)(gboolean, guint, guint8 *, int *, gchar **);
/*
* Register a handler for a pcapng option code for a particular block
* type.
*/
WS_DLL_PUBLIC
void register_pcapng_option_handler(guint block_type, guint option_code,
option_handler_fn hfunc);
#endif /* __PCAP_MODULE_H__ */
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