epan/dissectors/packet-json.h

   1 /* packet-json.h
   2  * Routines for JSON dissection
   3  * References:
   4  *     RFC 4627: https://tools.ietf.org/html/rfc4627
   5  *     Website:  http://json.org/
   6  *
   7  * Copyright 2010, Jakub Zawadzki <darkjames-ws@darkjames.pl>
   8  *
   9  * Wireshark - Network traffic analyzer
  10  * By Gerald Combs <gerald@wireshark.org>
  11  * Copyright 1998 Gerald Combs
  12  *
  13  * SPDX-License-Identifier: GPL-2.0-or-later
  14  */
  15
  16 #ifndef _PACKET_JSON_H
  17 #define _PACKET_JSON_H
  18
  19 /* XXX - This should probably be a string or custom dissector table */
  20 extern GHashTable *json_header_fields_hash;
  21
  22 /* json data decoding function
  23  */
  24 typedef void(*json_data_decoder_func)(tvbuff_t* tvb, proto_tree* tree, packet_info* pinfo, int offset, int len, const char* key_str);
  25
  26 /* Array of functions to dissect IEs
  27 */
  28 typedef struct _json_ie {
  29     json_data_decoder_func json_data_decoder;
  30 } json_ie_t;
  31
  32 /* A struct to hold the hf and callback function stored in a hastable with the json key as key.
  33  * If the callback is null NULL the filter will be used useful to create filterable items in json.
  34  * XXX Todo: Implement hte UAT from the http dissector to enable the users to create filters? and/or
  35  * read config from file, similar to Diameter(filter only)?
  36  */
  37 typedef struct {
  38     int *hf_id;
  39     json_data_decoder_func json_data_decoder;
  40 } json_data_decoder_t;
  41
  42 typedef struct _json_key {
  43     int offset;
  44     int len;
  45     char* key_str;
  46     bool use_compact;
  47 } json_key_t;
  48
  49 #endif /* _PACKET_JSON_H */
  50
  51 /*
  52  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
  53  *
  54  * Local variables:
  55  * c-basic-offset: 4
  56  * tab-width: 8
  57  * indent-tabs-mode: nil
  58  * End:
  59  *
  60  * vi: set shiftwidth=4 tabstop=8 expandtab:
  61  * :indentSize=4:tabSize=8:noTabs=true:
  62  */