-/* config - Dictionnary where the type of each variable is provided. */
-
-/* This is useful to build named structs, like option or property sets. */
-
-/* Copyright (c) 2004-2014. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "xbt/misc.h"
-#include "xbt/sysdep.h"
-#include "xbt/log.h"
-#include "xbt/ex.h"
-#include "xbt/dynar.h"
-#include "xbt/dict.h"
-
-#include <stdio.h>
-
-#include "xbt/config.h" /* prototypes of this module */
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_cfg, xbt, "configuration support");
-
-XBT_EXPORT_NO_IMPORT(xbt_cfg_t) simgrid_config = NULL;
-
-/* xbt_cfgelm_t: the typedef corresponding to a config variable. */
-
-typedef struct {
- /* Description */
- char *desc;
-
- /* Allowed type of the variable */
- e_xbt_cfgelm_type_t type;
- unsigned isdefault:1;
-
- /* Callbacks */
- xbt_cfg_cb_t cb_set;
-
- /* Advanced callbacks */
- xbt_cfg_cb_ext_t cb_set_ext;
- void* cb_set_data;
- xbt_cfg_cb_free_t cb_set_free;
-
- /* actual content (could be an union or something) */
- xbt_dynar_t content;
-} s_xbt_cfgelm_t, *xbt_cfgelm_t;
-
-static const char *xbt_cfgelm_type_name[xbt_cfgelm_type_count] = { "int", "double", "string", "boolean", "any", "outofbound" };
-
-const struct xbt_boolean_couple xbt_cfgelm_boolean_values[] = {
- { "yes", "no"},
- { "on", "off"},
- {"true", "false"},
- { "1", "0"},
- { NULL, NULL}
-};
-
-/* Internal stuff used in cache to free a variable */
-static void xbt_cfgelm_free(void *data);
-
-/* Retrieve the variable we'll modify */
-static xbt_cfgelm_t xbt_cfgelm_get(xbt_cfg_t cfg, const char *name, e_xbt_cfgelm_type_t type);
-
-/*----[ Memory management ]-----------------------------------------------*/
-/** @brief Constructor
- *
- * Initialise a config set
- */
-xbt_cfg_t xbt_cfg_new(void)
-{
- return (xbt_cfg_t) xbt_dict_new_homogeneous(&xbt_cfgelm_free);
-}
-
-/** @brief Destructor */
-void xbt_cfg_free(xbt_cfg_t * cfg)
-{
- XBT_DEBUG("Frees cfg set %p", cfg);
- xbt_dict_free((xbt_dict_t *) cfg);
-}
-
-/** @brief Dump a config set for debuging purpose
- *
- * @param name The name to give to this config set
- * @param indent what to write at the beginning of each line (right number of spaces)
- * @param cfg the config set
- */
-void xbt_cfg_dump(const char *name, const char *indent, xbt_cfg_t cfg)
-{
- xbt_dict_t dict = (xbt_dict_t) cfg;
- xbt_dict_cursor_t cursor = NULL;
- xbt_cfgelm_t variable = NULL;
- char *key = NULL;
- int i;
- int size;
- int ival;
- char *sval;
- double dval;
-
- if (name)
- printf("%s>> Dumping of the config set '%s':\n", indent, name);
-
- xbt_dict_foreach(dict, cursor, key, variable) {
- printf("%s %s:", indent, key);
-
- size = xbt_dynar_length(variable->content);
- printf ("%s. Actual size=%d. postset=%p\n",
- xbt_cfgelm_type_name[variable->type], size, variable->cb_set);
-
- switch (variable->type) {
- case xbt_cfgelm_int:
- for (i = 0; i < size; i++) {
- ival = xbt_dynar_get_as(variable->content, i, int);
- printf("%s %d\n", indent, ival);
- }
- break;
- case xbt_cfgelm_double:
- for (i = 0; i < size; i++) {
- dval = xbt_dynar_get_as(variable->content, i, double);
- printf("%s %f\n", indent, dval);
- }
- break;
- case xbt_cfgelm_string:
- for (i = 0; i < size; i++) {
- sval = xbt_dynar_get_as(variable->content, i, char *);
- printf("%s %s\n", indent, sval);
- }
- break;
- case xbt_cfgelm_boolean:
- for (i = 0; i < size; i++) {
- ival = xbt_dynar_get_as(variable->content, i, int);
- printf("%s %d\n", indent, ival);
- }
- break;
- case xbt_cfgelm_alias:
- /* no content */
- break;
- default:
- printf("%s Invalid type!!\n", indent);
- break;
- }
- }
-
- if (name)
- printf("%s<< End of the config set '%s'\n", indent, name);
- fflush(stdout);
-
- xbt_dict_cursor_free(&cursor);
-}
-
-/*
- * free an config element
- */
-void xbt_cfgelm_free(void *data)
-{
- xbt_cfgelm_t c = (xbt_cfgelm_t) data;
-
- XBT_DEBUG("Frees cfgelm %p", c);
- if (!c)
- return;
- if (c->cb_set_free)
- c->cb_set_free(c->cb_set_data);
- xbt_free(c->desc);
- if (c->type != xbt_cfgelm_alias)
- xbt_dynar_free(&(c->content));
- free(c);
-}
-
-/*----[ Registering stuff ]-----------------------------------------------*/
-/** @brief Register an element within a config set
- *
- * @param cfg the config set
- * @param name the name of the config element
- * @param desc a description for this item (used by xbt_cfg_help())
- * @param type the type of the config element
- * @param cb_set callback function called when a value is set
- */
-static void xbt_cfg_register(
- xbt_cfg_t * cfg, const char *name, const char *desc, e_xbt_cfgelm_type_t type,
- xbt_cfg_cb_t cb_set,
- xbt_cfg_cb_ext_t cb_set_ext, void* cb_set_data, xbt_cfg_cb_free_t cb_set_free)
-{
- if (*cfg == NULL)
- *cfg = xbt_cfg_new();
- xbt_assert(type >= xbt_cfgelm_int && type <= xbt_cfgelm_boolean,
- "type of %s not valid (%d should be between %d and %d)",
- name, (int)type, xbt_cfgelm_int, xbt_cfgelm_boolean);
-
- xbt_cfgelm_t res = xbt_dict_get_or_null((xbt_dict_t) * cfg, name);
- xbt_assert(NULL == res, "Refusing to register the config element '%s' twice.", name);
-
- res = xbt_new(s_xbt_cfgelm_t, 1);
- XBT_DEBUG("Register cfg elm %s (%s) (%s (=%d) @%p in set %p)",
- name, desc, xbt_cfgelm_type_name[type], (int)type, res, *cfg);
-
- res->desc = xbt_strdup(desc);
- res->type = type;
- res->cb_set = cb_set;
- res->cb_set_ext = cb_set_ext;
- res->cb_set_data = cb_set_data;
- res->cb_set_free = cb_set_free;
- res->isdefault = 1;
-
- switch (type) {
- case xbt_cfgelm_int:
- res->content = xbt_dynar_new(sizeof(int), NULL);
- break;
- case xbt_cfgelm_double:
- res->content = xbt_dynar_new(sizeof(double), NULL);
- break;
- case xbt_cfgelm_string:
- res->content = xbt_dynar_new(sizeof(char *), xbt_free_ref);
- break;
- case xbt_cfgelm_boolean:
- res->content = xbt_dynar_new(sizeof(int), NULL);
- break;
- default:
- XBT_ERROR("%d is an invalid type code", (int)type);
- break;
- }
- xbt_dict_set((xbt_dict_t) * cfg, name, res, NULL);
-}
-
-
-
-void xbt_cfg_register_double(const char *name, double default_value,xbt_cfg_cb_t cb_set, const char *desc){
- xbt_cfg_register(&simgrid_config,name,desc,xbt_cfgelm_double,cb_set, NULL, NULL, NULL);
- xbt_cfg_setdefault_double(name, default_value);
-}
-void xbt_cfg_register_int(const char *name, int default_value,xbt_cfg_cb_t cb_set, const char *desc) {
- xbt_cfg_register(&simgrid_config,name,desc,xbt_cfgelm_int,cb_set, NULL, NULL, NULL);
- xbt_cfg_setdefault_int(name, default_value);
-}
-void xbt_cfg_register_string(const char *name, const char *default_value, xbt_cfg_cb_t cb_set, const char *desc){
- xbt_cfg_register(&simgrid_config,name,desc,xbt_cfgelm_string,cb_set, NULL, NULL, NULL);
- xbt_cfg_setdefault_string(name, default_value);
-}
-void xbt_cfg_register_boolean(const char *name, const char*default_value,xbt_cfg_cb_t cb_set, const char *desc){
- xbt_cfg_register(&simgrid_config,name,desc,xbt_cfgelm_boolean,cb_set, NULL, NULL, NULL);
- xbt_cfg_setdefault_boolean(name, default_value);
-}
-
-/** Register a config with an extended callback
- *
- * @param name Name of the flag
- * @param desc Description of the flag
- * @param type Type of the flag
- * @param cb Extended callback
- * @param data Data associated with the callback
- * @param data_free Function used to free the callback data (or NULL)
- */
-void xbt_cfg_register_ext(const char *name, const char *desc, e_xbt_cfgelm_type_t type,
- xbt_cfg_cb_ext_t cb, void* data, xbt_cfg_cb_free_t data_free)
-{
- xbt_cfg_register(&simgrid_config, name, desc, type, NULL, cb, data, data_free);
-}
-
-void xbt_cfg_register_alias(const char *newname, const char *oldname)
-{
- if (simgrid_config == NULL)
- simgrid_config = xbt_cfg_new();
-
- xbt_cfgelm_t res = xbt_dict_get_or_null(simgrid_config, oldname);
- xbt_assert(NULL == res, "Refusing to register the option '%s' twice.", oldname);
-
- res = xbt_dict_get_or_null(simgrid_config, newname);
- xbt_assert(res, "Cannot define an alias to the non-existing option '%s'.", newname);
-
- res = xbt_new0(s_xbt_cfgelm_t, 1);
- XBT_DEBUG("Register cfg alias %s -> %s)",oldname,newname);
-
- res->desc = bprintf("Deprecated alias for %s",newname);
- res->type = xbt_cfgelm_alias;
- res->isdefault = 1;
- res->content = (xbt_dynar_t)newname;
-
- xbt_dict_set(simgrid_config, oldname, res, NULL);
-}
-
-/**
- * @brief Parse a string and register the stuff described.
- *
- * @param cfg the config set
- * @param entry a string describing the element to register
- *
- * The string may consist in several variable descriptions separated by a space.
- * Each of them must use the following syntax: \<name\>:\<type\>
- * with type being one of 'string','int','bool' or 'double'.
- *
- * Note that this does not allow to set the description, so you should prefer the other interface
- */
-void xbt_cfg_register_str(xbt_cfg_t * cfg, const char *entry)
-{
- char *entrycpy = xbt_strdup(entry);
- char *tok;
-
- e_xbt_cfgelm_type_t type;
- XBT_DEBUG("Register string '%s'", entry);
-
- tok = strchr(entrycpy, ':');
- xbt_assert(tok, "Invalid config element descriptor: %s; Should be <name>:<type>", entry);
- *(tok++) = '\0';
-
- for (type = (e_xbt_cfgelm_type_t)0; type < xbt_cfgelm_type_count && strcmp(tok, xbt_cfgelm_type_name[type]); type++);
- xbt_assert(type < xbt_cfgelm_type_count,
- "Invalid type in config element descriptor: %s; Should be one of 'string', 'int' or 'double'.", entry);
-
- xbt_cfg_register(cfg, entrycpy, NULL, type, NULL, NULL, NULL, NULL);
-
- free(entrycpy); /* strdup'ed by dict mechanism, but cannot be const */
-}
-
-/** @brief Displays the declared aliases and their description */
-void xbt_cfg_aliases(void)
-{
- xbt_dict_cursor_t dict_cursor;
- unsigned int dynar_cursor;
- xbt_cfgelm_t variable;
- char *name;
- xbt_dynar_t names = xbt_dynar_new(sizeof(char *), NULL);
-
- xbt_dict_foreach((xbt_dict_t )simgrid_config, dict_cursor, name, variable)
- xbt_dynar_push(names, &name);
- xbt_dynar_sort_strings(names);
-
- xbt_dynar_foreach(names, dynar_cursor, name) {
- variable = xbt_dict_get((xbt_dict_t )simgrid_config, name);
-
- if (variable->type == xbt_cfgelm_alias)
- printf(" %s: %s\n", name, variable->desc);
- }
-}
-
-/** @brief Displays the declared options and their description */
-void xbt_cfg_help(void)
-{
- xbt_dict_cursor_t dict_cursor;
- unsigned int dynar_cursor;
- xbt_cfgelm_t variable;
- char *name;
- xbt_dynar_t names = xbt_dynar_new(sizeof(char *), NULL);
-
- xbt_dict_foreach((xbt_dict_t )simgrid_config, dict_cursor, name, variable)
- xbt_dynar_push(names, &name);
- xbt_dynar_sort_strings(names);
-
- xbt_dynar_foreach(names, dynar_cursor, name) {
- int size;
- variable = xbt_dict_get((xbt_dict_t )simgrid_config, name);
- if (variable->type == xbt_cfgelm_alias)
- continue;
-
- printf(" %s: %s\n", name, variable->desc);
- printf(" Type: %s; ", xbt_cfgelm_type_name[variable->type]);
- size = xbt_dynar_length(variable->content);
- printf("Current value: ");
-
- if (size != 1)
- printf(size == 0 ? "n/a\n" : "{ ");
- for (int i = 0; i < size; i++) {
- const char *sep = (size == 1 ? "\n" : (i < size - 1 ? ", " : " }\n"));
-
- switch (variable->type) {
- case xbt_cfgelm_int:
- printf("%d%s", xbt_dynar_get_as(variable->content, i, int), sep);
- break;
- case xbt_cfgelm_double:
- printf("%f%s", xbt_dynar_get_as(variable->content, i, double), sep);
- break;
- case xbt_cfgelm_string:
- printf("'%s'%s", xbt_dynar_get_as(variable->content, i, char *), sep);
- break;
- case xbt_cfgelm_boolean: {
- int b = xbt_dynar_get_as(variable->content, i, int);
- const char *bs = b ? xbt_cfgelm_boolean_values[0].true_val: xbt_cfgelm_boolean_values[0].false_val;
- if (b == 0 || b == 1)
- printf("'%s'%s", bs, sep);
- else
- printf("'%s/%d'%s", bs, b, sep);
- break;
- }
- default:
- printf("Invalid type!!%s", sep);
- break;
- }
- }
- }
- xbt_dynar_free(&names);
-}
-
-static xbt_cfgelm_t xbt_cfgelm_get(xbt_cfg_t cfg, const char *name, e_xbt_cfgelm_type_t type)
-{
- xbt_cfgelm_t res = xbt_dict_get_or_null((xbt_dict_t) cfg, name);
-
- // The user used the old name. Switch to the new one after a short warning
- while (res && res->type == xbt_cfgelm_alias) {
- const char* newname = (const char *)res->content;
- XBT_INFO("Option %s has been renamed to %s. Consider switching.", name, newname);
- res = xbt_cfgelm_get(cfg, newname, type);
- }
-
- if (!res) {
- xbt_cfg_help();
- fflush(stdout);
- THROWF(not_found_error, 0, "No registered variable '%s' in this config set.", name);
- }
-
- xbt_assert(type == xbt_cfgelm_any || res->type == type,
- "You tried to access to the config element %s as an %s, but its type is %s.",
- name, xbt_cfgelm_type_name[type], xbt_cfgelm_type_name[res->type]);
- return res;
-}
-
-/** @brief Get the type of this variable in that configuration set
- *
- * @param cfg the config set
- * @param name the name of the element
- *
- * @return the type of the given element
- */
-e_xbt_cfgelm_type_t xbt_cfg_get_type(xbt_cfg_t cfg, const char *name)
-{
- xbt_cfgelm_t variable = NULL;
-
- variable = xbt_dict_get_or_null((xbt_dict_t) cfg, name);
- if (!variable)
- THROWF(not_found_error, 0, "Can't get the type of '%s' since this variable does not exist", name);
-
- XBT_DEBUG("type in variable = %d", (int)variable->type);
- return variable->type;
-}
-
-/*----[ Setting ]---------------------------------------------------------*/
-/** @brief va_args version of xbt_cfg_set
- *
- * @param cfg config set to fill
- * @param name variable name
- * @param pa variable value
- *
- * Add some values to the config set.
- */
-void xbt_cfg_set_vargs(xbt_cfg_t cfg, const char *name, va_list pa)
-{
- char *str;
- int i;
- double d;
- e_xbt_cfgelm_type_t type = xbt_cfgelm_type_count; /* Set a dummy value to make gcc happy. It cannot get uninitialized */
-
- xbt_ex_t e;
-
- TRY {
- type = xbt_cfg_get_type(cfg, name);
- }
- CATCH(e) {
- if (e.category == not_found_error) {
- xbt_ex_free(e);
- THROWF(not_found_error, 0, "Can't set the property '%s' since it's not registered", name);
- }
- RETHROW;
- }
-
- switch (type) {
- case xbt_cfgelm_string:
- str = va_arg(pa, char *);
- xbt_cfg_set_string(name, str);
- break;
- case xbt_cfgelm_int:
- i = va_arg(pa, int);
- xbt_cfg_set_int(name, i);
- break;
- case xbt_cfgelm_double:
- d = va_arg(pa, double);
- xbt_cfg_set_double(name, d);
- break;
- case xbt_cfgelm_boolean:
- str = va_arg(pa, char *);
- xbt_cfg_set_boolean(name, str);
- break;
- default:
- xbt_die("Config element variable %s not valid (type=%d)", name, (int)type);
- }
-}
-
-/** @brief Add a NULL-terminated list of pairs {(char*)key, value} to the set
- *
- * @param cfg config set to fill
- * @param name variable name
- * @param ... variable value
- */
-void xbt_cfg_set(xbt_cfg_t cfg, const char *name, ...)
-{
- va_list pa;
-
- va_start(pa, name);
- xbt_cfg_set_vargs(cfg, name, pa);
- va_end(pa);
-}
-
-/** @brief Add values parsed from a string into a config set
- *
- * @param options a string containing the content to add to the config set. This is a '\\t',' ' or '\\n' or ','
- * separated list of variables. Each individual variable is like "[name]:[value]" where [name] is the name of an
- * already registered variable, and [value] conforms to the data type under which this variable was registered.
- *
- * @todo This is a crude manual parser, it should be a proper lexer.
- */
-void xbt_cfg_set_parse(const char *options)
-{
- if (!options || !strlen(options)) { /* nothing to do */
- return;
- }
- char *optionlist_cpy = xbt_strdup(options);
-
- XBT_DEBUG("List to parse and set:'%s'", options);
- char *option = optionlist_cpy;
- while (1) { /* breaks in the code */
- if (!option)
- break;
- char *name = option;
- int len = strlen(name);
- XBT_DEBUG("Still to parse and set: '%s'. len=%d; option-name=%ld", name, len, (long) (option - name));
-
- /* Pass the value */
- while (option - name <= (len - 1) && *option != ' ' && *option != '\n' && *option != '\t' && *option != ',') {
- XBT_DEBUG("Take %c.", *option);
- option++;
- }
- if (option - name == len) {
- XBT_DEBUG("Boundary=EOL");
- option = NULL; /* don't do next iteration */
- } else {
- XBT_DEBUG("Boundary on '%c'. len=%d;option-name=%ld", *option, len, (long) (option - name));
- /* Pass the following blank chars */
- *(option++) = '\0';
- while (option - name < (len - 1) && (*option == ' ' || *option == '\n' || *option == '\t')) {
- /* fprintf(stderr,"Ignore a blank char.\n"); */
- option++;
- }
- if (option - name == len - 1)
- option = NULL; /* don't do next iteration */
- }
- XBT_DEBUG("parse now:'%s'; parse later:'%s'", name, option);
-
- if (name[0] == ' ' || name[0] == '\n' || name[0] == '\t')
- continue;
- if (!strlen(name))
- break;
-
- char *val = strchr(name, ':');
- xbt_assert(val, "Option '%s' badly formatted. Should be of the form 'name:value'", name);
- /* don't free(optionlist_cpy) if the assert fails, 'name' points inside it */
- *(val++) = '\0';
-
- if (strncmp(name, "contexts/", strlen("contexts/")) && strncmp(name, "path", strlen("path")))
- XBT_INFO("Configuration change: Set '%s' to '%s'", name, val);
-
- TRY {
- xbt_cfg_set_as_string(name,val);
- } CATCH_ANONYMOUS {
- free(optionlist_cpy);
- RETHROW;
- }
- }
- free(optionlist_cpy);
-}
-
-/** @brief Set the value of a variable, using the string representation of that value
- *
- * @param key name of the variable to modify
- * @param value string representation of the value to set
- *
- * @return the first char after the parsed value in val
- */
-
-void *xbt_cfg_set_as_string(const char *key, const char *value) {
- xbt_ex_t e;
-
- char *ret;
- volatile xbt_cfgelm_t variable = NULL;
- int i;
- double d;
-
- TRY {
- while (variable == NULL) {
- variable = xbt_dict_get((xbt_dict_t) simgrid_config, key);
- if (variable->type == xbt_cfgelm_alias) {
- const char *newname = (const char*)variable->content;
- XBT_INFO("Note: configuration '%s' is deprecated. Please use '%s' instead.", key, newname);
- key = newname;
- variable = NULL;
- }
- }
- } CATCH(e) {
- if (e.category == not_found_error) {
- xbt_ex_free(e);
- THROWF(not_found_error, 0, "No registered variable corresponding to '%s'.", key);
- }
- RETHROW;
- }
-
- switch (variable->type) {
- case xbt_cfgelm_string:
- xbt_cfg_set_string(key, value); /* throws */
- break;
- case xbt_cfgelm_int:
- i = strtol(value, &ret, 0);
- if (ret == value) {
- xbt_die("Value of option %s not valid. Should be an integer", key);
- }
- xbt_cfg_set_int(key, i); /* throws */
- break;
- case xbt_cfgelm_double:
- d = strtod(value, &ret);
- if (ret == value) {
- xbt_die("Value of option %s not valid. Should be a double", key);
- }
- xbt_cfg_set_double(key, d); /* throws */
- break;
- case xbt_cfgelm_boolean:
- xbt_cfg_set_boolean(key, value); /* throws */
- ret = (char *)value + strlen(value);
- break;
- default:
- THROWF(unknown_error, 0, "Type of config element %s is not valid.", key);
- break;
- }
- return ret;
-}
-
-/** @brief Set an integer value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_int(const char *name, int val)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_int);
-
- if (variable->isdefault){
- xbt_cfg_set_int(name, val);
- variable->isdefault = 1;
- } else
- XBT_DEBUG("Do not override configuration variable '%s' with value '%d' because it was already set.", name, val);
-}
-
-/** @brief Set an integer value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_double(const char *name, double val)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_double);
-
- if (variable->isdefault) {
- xbt_cfg_set_double(name, val);
- variable->isdefault = 1;
- } else
- XBT_DEBUG("Do not override configuration variable '%s' with value '%f' because it was already set.", name, val);
-}
-
-/** @brief Set a string value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_string(const char *name, const char *val)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_string);
-
- if (variable->isdefault){
- xbt_cfg_set_string(name, val);
- variable->isdefault = 1;
- } else
- XBT_DEBUG("Do not override configuration variable '%s' with value '%s' because it was already set.", name, val);
-}
-
-/** @brief Set an boolean value to \a name within \a cfg if it wasn't changed yet
- *
- * This is useful to change the default value of a variable while allowing
- * users to override it with command line arguments
- */
-void xbt_cfg_setdefault_boolean(const char *name, const char *val)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_boolean);
-
- if (variable->isdefault){
- xbt_cfg_set_boolean(name, val);
- variable->isdefault = 1;
- }
- else
- XBT_DEBUG("Do not override configuration variable '%s' with value '%s' because it was already set.", name, val);
-}
-
-/** @brief Set an integer value to \a name within \a cfg
- *
- * @param name the name of the variable
- * @param val the value of the variable
- */
-void xbt_cfg_set_int(const char *name, int val)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_int);
-
- xbt_dynar_set(variable->content, 0, &val);
-
- if (variable->cb_set)
- variable->cb_set(name);
- if (variable->cb_set_ext)
- variable->cb_set_ext(name, variable->cb_set_data);
- variable->isdefault = 0;
-}
-
-/** @brief Set or add a double value to \a name within \a cfg
- *
- * @param name the name of the variable
- * @param val the double to set
- */
-void xbt_cfg_set_double(const char *name, double val)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_double);
-
- xbt_dynar_set(variable->content, 0, &val);
-
- if (variable->cb_set)
- variable->cb_set(name);
- if (variable->cb_set_ext)
- variable->cb_set_ext(name, variable->cb_set_data);
- variable->isdefault = 0;
-}
-
-/** @brief Set or add a string value to \a name within \a cfg
- *
- * @param cfg the config set
- * @param name the name of the variable
- * @param val the value to be added
- *
- */
-void xbt_cfg_set_string(const char *name, const char *val)
-{
- char *newval = xbt_strdup(val);
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_string);
-
- if (!xbt_dynar_is_empty(variable->content)) {
- char *sval = xbt_dynar_get_as(variable->content, 0, char *);
- free(sval);
- }
-
- xbt_dynar_set(variable->content, 0, &newval);
-
- if (variable->cb_set)
- variable->cb_set(name);
- if (variable->cb_set_ext)
- variable->cb_set_ext(name, variable->cb_set_data);
- variable->isdefault = 0;
-}
-
-/** @brief Set or add a boolean value to \a name within \a cfg
- *
- * @param name the name of the variable
- * @param val the value of the variable
- */
-void xbt_cfg_set_boolean(const char *name, const char *val)
-{
- int bval=-1;
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_boolean);
-
- for (int i = 0; xbt_cfgelm_boolean_values[i].true_val != NULL; i++) {
- if (strcmp(val, xbt_cfgelm_boolean_values[i].true_val) == 0){
- bval = 1;
- break;
- }
- if (strcmp(val, xbt_cfgelm_boolean_values[i].false_val) == 0){
- bval = 0;
- break;
- }
- }
- xbt_assert(bval != -1, "Value of option '%s' not valid. Should be a boolean (yes,no,on,off,true,false,0,1)", val);
- xbt_dynar_set(variable->content, 0, &bval);
-
- if (variable->cb_set)
- variable->cb_set(name);
- if (variable->cb_set_ext)
- variable->cb_set_ext(name, variable->cb_set_data);
- variable->isdefault = 0;
-}
-
-
-/* Say if the value is the default value */
-int xbt_cfg_is_default_value(const char *name)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_any);
- return variable->isdefault;
-}
-
-/*----[ Getting ]---------------------------------------------------------*/
-/** @brief Retrieve an integer value of a variable (get a warning if not uniq)
- *
- * @param name the name of the variable
- *
- * Returns the first value from the config set under the given name.
- * If there is more than one value, it will issue a warning. Consider using xbt_cfg_get_dynar() instead.
- */
-int xbt_cfg_get_int(const char *name)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_int);
-
- if (xbt_dynar_length(variable->content) > 1) {
- XBT_WARN("You asked for the first value of the config element '%s', but there is %lu values",
- name, xbt_dynar_length(variable->content));
- }
-
- return xbt_dynar_get_as(variable->content, 0, int);
-}
-
-/** @brief Retrieve a double value of a variable (get a warning if not uniq)
- *
- * @param cfg the config set
- * @param name the name of the variable
- *
- * Returns the first value from the config set under the given name.
- * If there is more than one value, it will issue a warning. Consider using xbt_cfg_get_dynar() instead.
- */
-double xbt_cfg_get_double(const char *name)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_double);
-
- if (xbt_dynar_length(variable->content) > 1) {
- XBT_WARN ("You asked for the first value of the config element '%s', but there is %lu values\n",
- name, xbt_dynar_length(variable->content));
- }
-
- return xbt_dynar_get_as(variable->content, 0, double);
-}
-
-/** @brief Retrieve a string value of a variable (get a warning if not uniq)
- *
- * @param cfg the config set
- * @param name the name of the variable
- *
- * Returns the first value from the config set under the given name.
- * If there is more than one value, it will issue a warning. Consider using
- * xbt_cfg_get_dynar() instead. Returns NULL if there is no value.
- *
- * \warning the returned value is the actual content of the config set
- */
-char *xbt_cfg_get_string(const char *name)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_string);
-
- if (xbt_dynar_length(variable->content) > 1) {
- XBT_WARN("You asked for the first value of the config element '%s', but there is %lu values\n",
- name, xbt_dynar_length(variable->content));
- } else if (xbt_dynar_is_empty(variable->content)) {
- return NULL;
- }
-
- return xbt_dynar_get_as(variable->content, 0, char *);
-}
-
-/** @brief Retrieve a boolean value of a variable (get a warning if not uniq)
- *
- * @param cfg the config set
- * @param name the name of the variable
- *
- * Returns the first value from the config set under the given name.
- * If there is more than one value, it will issue a warning. Consider using xbt_cfg_get_dynar() instead.
- */
-int xbt_cfg_get_boolean(const char *name)
-{
- xbt_cfgelm_t variable = xbt_cfgelm_get(simgrid_config, name, xbt_cfgelm_boolean);
-
- if (xbt_dynar_length(variable->content) > 1) {
- XBT_WARN("You asked for the first value of the config element '%s', but there is %lu values",
- name, xbt_dynar_length(variable->content));
- }
-
- return xbt_dynar_get_as(variable->content, 0, int);
-}
-
-#ifdef SIMGRID_TEST
-#include "xbt.h"
-#include "xbt/ex.h"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_cfg);
-
-XBT_TEST_SUITE("config", "Configuration support");
-
-static xbt_cfg_t make_set()
-{
- xbt_cfg_t set = NULL;
-
- xbt_log_threshold_set(&_XBT_LOGV(xbt_cfg), xbt_log_priority_critical);
- xbt_cfg_register_str(&set, "speed:int");
- xbt_cfg_register_str(&set, "peername:string");
- xbt_cfg_register_str(&set, "user:string");
-
- return set;
-} /* end_of_make_set */
-
-XBT_PUBLIC_DATA(xbt_cfg_t) simgrid_config;
-
-XBT_TEST_UNIT("memuse", test_config_memuse, "Alloc and free a config set")
-{
- simgrid_config = make_set();
- xbt_test_add("Alloc and free a config set");
- xbt_cfg_set_parse("peername:veloce user:bidule");
- xbt_cfg_free(&simgrid_config);
-}
-
-XBT_TEST_UNIT("use", test_config_use, "Data retrieving tests")
-{
- simgrid_config = make_set();
- xbt_test_add("Get a single value");
- {
- /* get_single_value */
- int ival;
-
- xbt_cfg_set_parse("peername:toto:42 speed:42");
- ival = xbt_cfg_get_int("speed");
- if (ival != 42)
- xbt_test_fail("Speed value = %d, I expected 42", ival);
- }
-
- xbt_test_add("Access to a non-existant entry");
- {
- xbt_ex_t e;
-
- TRY {
- xbt_cfg_set_parse("color:blue");
- } CATCH(e) {
- if (e.category != not_found_error)
- xbt_test_exception(e);
- xbt_ex_free(e);
- }
- }
- xbt_cfg_free(&simgrid_config);
-}
-#endif /* SIMGRID_TEST */