gem-graph-client/include/fsm.h

283 lines
12 KiB
C

/**
* @file
* FSM (Finite State Machine) header
*
* This file is part of Gem-graph.
*
* @cond LICENSE
* Copyright © 2021 Libre en Communs <contact@a-lec.org>
* Copyright © 2021-2024 Adrien Bourmault <neox@a-lec.org>
* Copyright © 2021-2024 Jean Sirmai <jean@a-lec.org>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* @endcond
*/
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <string.h>
#include <gtk-4.0/gtk/gtk.h>
/******************************************************************************/
/* J O U R N A L */
/******************************************************************************/
/**
* --
* J O U R N A L - M E T A - R U L E S
* --
*
* ref: sudo cat /var/log/messages
*
* log structure:
* - date
* - rank
* - file
* - function
* - value, parameter, description, context,...
* (any value that can qualify the event
* and provides useful information when reading the log)
*
* --
*
* Un seul fsm_add_log() par fonction
* ? sauf si cette fonction génère plusieurs autres fonctions d'intérêt ?
*
* S'il y a deux fsm_add_log() (begin / end) dans une fonction,
* ils doivent avoir la même étiquette (les mêmes valeurs) : SEVERITY & SOURCE
*/
/**
* Conforms to canonical log levels: FATAL, ERROR, WARN, INFO, DEBUG, TRACE
*
* https://betterstack.com/community/guides/logging/logging-best-practices/
* https://en.wikipedia.org/wiki/Syslog
*
* @see fsm_add_log())
*/
enum fsm_enum_log_severity {
FATAL, /**< (or CRITICAL) an unrecoverable failure that prevents the whole
* application from doing any further useful work */
ERROR, /**< a condition that hinders the execution of a specific
* operation within an application and is unrecoverable */
WARN, /**< something unexpected has occurred, but the application can
* continue to function normally for the time being */
INFO, /**< (or MESSAGE) a significant event occurs while the system is
* operating normally */
DEBUG, /**< a description of system states in sufficient detail to give
* developers clues as to the cause of an error */
TRACE /**< provides a systematic overview of code execution but comes at
* a cost in terms of performance */
};
/**
* arbitrary values that can help the logging filter work more efficiently
*
* @see fsm_add_log())
*/
enum fsm_enum_log_source {
SOURCE, /**< must each element of this enumeration be commented (enhanced) ? */
TARGET, /**< let's observe first how the enumeration structures and evolves on usage */
LOG, FSM, PREFER,
MAIN, APP, WIDGETS, SIGNAL,
WINDOW, /**< MAIN_WINDOW || DIALOG_WINDOW || MODAL_WINDOW || TEXT_WINDOW */
DIALOG_WINDOW, MODAL_WINDOW, TEXT_WINDOW,
AUTO_NOTIFICATION,
TOPBAR, /**< LEFT || CENTER || RIGHT */
TOPBAR_LEFT, TOPBAR_CENTER, TOPBAR_RIGHT,
PAGE, /**< SYNTH_PAGE || STATE_PAGE || RULES_PAGE || MEASURES_PAGE || RESULTS_PAGE
* \n RULES_PAGE == USER TREE versus SELECTED (vertical separation)*/
SYNTH_PAGE, STATE_PAGE, RULES_PAGE, MEASURES_PAGE, RESULTS_PAGE,
SYNTH_GLAREA, SYNTH_ALL_RESULTS,
SYNTH_TIME_DEP_RESULTS, SYNTH_TIME_INDEP_RESULTS,
STATE_TOP, STATE_BOTTOM, STATE_GLAREA, STATE_CAMERA,
RULE_GEOMETRY, RULE_GLAREA, RULE_CAMERA,
RULE_ALGEBRA, RULE_CONDITION, RULE_ASSIGN, RULE_ID,
RULES_TREE, RULES_COMPARE, RULES_USE,
MEASURES_TOOLS, MEASURES__ACTIVITY, MEASURES__DISPLAY,
RESULTS, TIME_DEP_RESULTS, TIME_INDEP_RESULTS,
WIDGET, BUTTON, SCROLL, GLAREA, TEXT, LABEL, TREE, SLIDER, EXPANDER, ENTRY,
ON_SWITCH_STATE_RULES_DATA,
SLIDER_X, SLIDER_Y, SLIDER_Z,
SLIDER_A, SLIDER_B, SLIDER_C,
};
#define LOG_MAX_LENGTH 255 /**< arbitrary */
/**
* structure of a log element
*
* @callergraph
* @see fsm_add_log()
* @see fsm_add_log_event()
*/
typedef struct fsm_log_struct_unit
{
long yy_dd_mm; /**< * date of the event reported in the log */
long usec; /**< * with microseconds precision */
const char *file_source; /**< * emitter file */
const char *function_source; /**< * emitter function */
const char *string_value; /**< * any event descriptors */
struct fsm_log_struct_unit *prev; /**< * chained list */
struct fsm_log_struct_unit *next; /**< * chained list */
}
fsm_log_struct_unit;
/**
* required to initialise a double-chained list
* @see use in src/fsm/dispatch/fsm_add_log()
* @see use in src/log/fsm_init_log()
*/
typedef struct {
fsm_log_struct_unit *first; /**< * required */
fsm_log_struct_unit *last; /**< * required */
}
fsm_log_struct;
void fsm_publish_log (fsm_log_struct jj); // def: src/journal call: fsm/dispatch
void fsm_init_log (fsm_log_struct *jj); // def: src/journal call: fsm/dispatch
void fsm_add_log_event (fsm_log_struct *jj, // def: src/journal call: fsm/dispatch
const char *file_source,
const char *function_source,
const char *string_value);
void fsm_clear_log (fsm_log_struct *jj, // def: src/journal call: none
const char *file_source,
const char *function_source,
const char *string_value);
long fsm_pop_back_log (fsm_log_struct *jj, // def: src/journal call: none
const char *file_source,
const char *function_source,
const char *string_value);
int fsm_length_log (fsm_log_struct jj); // def: src/journal call: none
void fsm_seek_log (fsm_log_struct jj, // def: src/journal call: none
long usec,
const char *file_source,
const char *function_source,
const char *string_value);
// -----------------------------------------------------------------------------
//
void fsm_log_publication_request(); // def: fsm/dispatch call: main;
void fsm_add_log (int severity,
int source,
const char *file_source,
const char *function_source,
const char *string_value);
// def: fsm/dispatch call: widget/dispatch;
// -----------------------------------------------------------------------------
/******************************************************************************/
/* S T A T E M A C H I N E */
/******************************************************************************/
// called by widgets through signal functions
/** phantom documentation */
enum fsm_enum_exec_edit { EXEC, EDIT };
/** phantom documentation */
enum fsm_enum_state_rules_data { SYNTH, STATE, RULES, DATA };
/** phantom documentation */
enum fsm_enum_store_restore_reset { STORE, RESTORE, RESET };
/** phantom documentation */
enum fsm_enum_measure_type {DATE_RULE_EXEC, RULE_EXEC_NB, OBJECT_NB, ELAPSED_TIME };
#define n_rules 128 /**< arbitrary */
#define n_objects 32 /**< arbitrary too, */
#define n_situations 128 /**< and so on... */
/** phantom documentation */
typedef struct fsm_struct_list_tool {
int value; /**< *value phantom documentation */
struct fsm_struct_list_tool *suiv; /**< *suiv phantom documentation */
} fsm_struct_list_tool ;
/** phantom documentation */
typedef struct fsm_struct_list_data {
int value; /**< *value phantom documentation */
struct fsm_struct_list_data *suiv; /**< *suiv phantom documentation */
} fsm_struct_list_data ;
/** phantom documentation */
typedef struct fsm_struct_list_disp {
int value; /**< *value phantom documentation */
struct fsm_struct_list_disp *suiv; /**< *suiv phantom documentation */
} fsm_struct_list_disp ;
void fsm_init (char *message); // def: fsm/dispatch; call: main;
void fsm_list_init_preferences(); // def: fsm/preferences/manager; call: fsm/dispatch;
void fsm_list_init_measures(); // def: fsm/measure/manager; call: fsm/dispatch;
void fsm_list_init_results(); // def: fsm/results/manager; call: fsm/dispatch;
void fsm_list_init_displayables(); // def: fsm/preferences/manager; call: fsm/dispatch;
int fsm_get_exec_edit(); // def: fsm/disfpatch; call: signal;
// widget/state/dispatch;
// widget/rules/selected/dispatch;
int fsm_get_state_rules_data(); // def: fsm/dispatch; call: signal;
void fsm_set_exec_edit (int value);// def: fsm/dispatch; call: signal;
void fsm_set_state_rules_data (int value); // def: fsm/dispatch; call: signal;
void fsm_set_store_restore_reset (int choice, int value);// def: prefer; call: signal;
bool fsm_get_preferences_state(); // def: fsm/dispatch; call: - - -
void fsm_set_preferences_modified (bool value); // def: fsm/dispatch;
// call: signal; fsm/prefer;
void fsm_add_measure (char *measure_name); // def: fsm/measure/manager;
// call: widget/measure/dispatch;
void fsm_add_result (char *result_name); // def: fsm/results/manager; call: - - -
void fsm_add_displayable (char *displayable_name);// def: fsm/preferences/manager; call: fsm/preferences/manager;
void fsm_reset_all_situations_values (int value); // def: fsm/preferences/manager; call: signal;
// --------------------------------------------------------------- WIP ------
// def: measure/tool_list call: measure/tool_list (about the following functions...)
void fsm_tools_list_insert (fsm_struct_list_tool **tl, int value);
int fsm_tools_list_pop (fsm_struct_list_tool **tl);
int fsm_tools_list_length (fsm_struct_list_tool *tl);
void fsm_tools_list_clear (fsm_struct_list_tool **tl);
void fsm_tools_list_view (fsm_struct_list_tool *tl);
void fsm_tools_list_test(); // def: measures/manager; call: measures/manager;
// def: fsm/measure/manage/; call: rule exec
void fsm_rule_trig_measure (int rule_id, int object_id, int measure_id);
// --------------------------------------------------------------- WIP ------
// @see fsm/measures/data_list/
void fsm_add_data (fsm_struct_list_data d, int *p_data, int *p_target);
int fsm_get_data (fsm_struct_list_data d, int from, int to);
void fsm_remove_data (fsm_struct_list_data d, int *p_data);
// --------------------------------------------------------------- WIP ------
/*void fsm_disp_add_chart (fsm_struct_list_disp d, int *p_chart);
int fsm_disp_get_chart (fsm_struct_list_disp d, int from, int to);
void fsm_disp_remove_chart (fsm_struct_list_disp d, int *p_chart);*/