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/** @file
* GUI independent helper routines common to all Response Time Delay (RTD) taps.
* Based on srt_table.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __RTD_TABLE_H__
#define __RTD_TABLE_H__
#include "tap.h"
#include "timestats.h"
#include "value_string.h"
#include <epan/wmem_scopes.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct _rtd_timestat {
guint num_timestat; /**< number of elements on rtd array */
timestat_t* rtd;
guint32 open_req_num;
guint32 disc_rsp_num;
guint32 req_dup_num;
guint32 rsp_dup_num;
} rtd_timestat;
/** Statistics table */
typedef struct _rtd_stat_table {
char *filter;
guint num_rtds; /**< number of elements on time_stats array */
rtd_timestat* time_stats;
} rtd_stat_table;
/** tap data
*/
typedef struct _rtd_data_t {
rtd_stat_table stat_table; /**< RTD table data */
void *user_data; /**< "GUI" specifics (sharkd only?) */
} rtd_data_t;
/** Structure for information about a registered service response table */
struct register_rtd;
typedef struct register_rtd register_rtd_t;
typedef void (*rtd_gui_init_cb)(rtd_stat_table* rtd, void* gui_data);
typedef void (*rtd_filter_check_cb)(const char *opt_arg, const char **filter, char** err);
/** Register the response time delay table.
*
* @param proto_id is the protocol with conversation
* @param tap_listener string for register_tap_listener (NULL to just use protocol name)
* @param num_tables number of tables
* @param num_timestats number of timestamps in the table
* @param vs_type value_string for the stat types
* @param rtd_packet_func the tap processing function
* @param filter_check_cb callback for verification of filter or other dissector checks
*/
WS_DLL_PUBLIC void register_rtd_table(const int proto_id, const char* tap_listener, guint num_tables, guint num_timestats, const value_string* vs_type,
tap_packet_cb rtd_packet_func, rtd_filter_check_cb filter_check_cb);
/** Get protocol ID from RTD
*
* @param rtd Registered RTD
* @return protocol id of RTD
*/
WS_DLL_PUBLIC int get_rtd_proto_id(register_rtd_t* rtd);
/** Get string for register_tap_listener call. Typically just dissector name
*
* @param rtd Registered RTD
* @return string for register_tap_listener call
*/
WS_DLL_PUBLIC const char* get_rtd_tap_listener_name(register_rtd_t* rtd);
/** Get tap function handler from RTD
*
* @param rtd Registered RTD
* @return tap function handler of RTD
*/
WS_DLL_PUBLIC tap_packet_cb get_rtd_packet_func(register_rtd_t* rtd);
/** Get the number of RTD tables
*
* @param rtd Registered RTD
* @return The number of registered tables.
*/
WS_DLL_PUBLIC guint get_rtd_num_tables(register_rtd_t* rtd);
/** Get value_string used for RTD
*
* @param rtd Registered RTD
* @return value_string of RTD
*/
WS_DLL_PUBLIC const value_string* get_rtd_value_string(register_rtd_t* rtd);
/** Get RTD table by its dissector name
*
* @param name dissector name to fetch.
* @return RTD table pointer or NULL.
*/
WS_DLL_PUBLIC register_rtd_t* get_rtd_table_by_name(const char* name);
/** Free the RTD table data.
*
* @param table RTD stat table array
*/
WS_DLL_PUBLIC void free_rtd_table(rtd_stat_table* table);
/** Reset table data in the RTD.
*
* @param table RTD table
*/
WS_DLL_PUBLIC void reset_rtd_table(rtd_stat_table* table);
/** Interator to walk RTD tables and execute func
* Used for initialization
*
* @param func action to be performed on all converation tables
* @param user_data any data needed to help perform function
*/
WS_DLL_PUBLIC void rtd_table_iterate_tables(wmem_foreach_func func, gpointer user_data);
/** Return filter used for register_tap_listener
*
* @param rtd Registered RTD
* @param opt_arg passed in opt_arg from GUI
* @param filter returned filter string to be used for registering tap
* @param err returned error if opt_arg string can't be successfully handled. Caller must free memory
*/
WS_DLL_PUBLIC void rtd_table_get_filter(register_rtd_t* rtd, const char *opt_arg, const char **filter, char** err);
/** "Common" initialization function for all GUIs
*
* @param rtd Registered RTD
* @param table RTD table
* @param gui_callback optional GUI callback function
* @param callback_data optional GUI callback data
*/
WS_DLL_PUBLIC void rtd_table_dissector_init(register_rtd_t* rtd, rtd_stat_table* table, rtd_gui_init_cb gui_callback, void *callback_data);
/** Helper function to get tap string name
* Caller is responsible for freeing returned string
*
* @param rtd Registered RTD
* @return RTD tap string
*/
WS_DLL_PUBLIC gchar* rtd_table_get_tap_string(register_rtd_t* rtd);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __RTD_TABLE_H__ */
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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