/**
* Checks if the configuration is valid. The function checks if all
* required parameters are set and adds default values if necessary.
* @param cfg configuration
*/
void config_check(config_t *cfg)
{
int i, j;
const char *s;
double f;
config_setting_t *cs, *vs;
for (i = 0; defaults[i].name; i++) {
/* Lookup setting group */
cs = config_lookup(cfg, defaults[i].group);
if (!cs)
cs = config_setting_add(config_root_setting(cfg),
defaults[i].group, CONFIG_TYPE_GROUP);
/* (1) Check for string */
if (defaults[i].type == CONFIG_TYPE_STRING) {
if (config_setting_lookup_string(cs, defaults[i].name, &s))
continue;
/* Add default value */
vs = config_setting_add(cs, defaults[i].name, CONFIG_TYPE_STRING);
config_setting_set_string(vs, defaults[i].val.sval);
/* (2) Check for float */
} else if (defaults[i].type == CONFIG_TYPE_FLOAT) {
if (config_setting_lookup_float(cs, defaults[i].name, &f))
continue;
/* Check for mis-interpreted integer */
if (config_setting_lookup_int(cs, defaults[i].name, &j)) {
config_setting_remove(cs, defaults[i].name);
vs = config_setting_add(cs, defaults[i].name, CONFIG_TYPE_FLOAT);
config_setting_set_float(vs, (double) j);
continue;
}
/* Add default value */
vs = config_setting_add(cs, defaults[i].name, CONFIG_TYPE_FLOAT);
config_setting_set_float(vs, defaults[i].val.fval);
/* (3) Check for integer */
} else if (defaults[i].type == CONFIG_TYPE_INT) {
if (config_setting_lookup_int(cs, defaults[i].name, &j))
continue;
/* Check for mis-interpreted float */
if (config_setting_lookup_float(cs, defaults[i].name, &f)) {
config_setting_remove(cs, defaults[i].name);
vs = config_setting_add(cs, defaults[i].name, CONFIG_TYPE_INT);
config_setting_set_int(vs, (long) round(f));
continue;
}
/* Add default value */
vs = config_setting_add(cs, defaults[i].name, CONFIG_TYPE_INT);
config_setting_set_int(vs, defaults[i].val.ival);
} else {
error("Unknown configuration type");
}
}
}
int main(int argc, char **argv)
{
static const char *output_file = "updated.cfg";
config_t cfg;
config_setting_t *root, *setting, *movie;
config_init(&cfg);
/* Read the file. If there is an error, report it and exit. */
if(! config_read_file(&cfg, "example.cfg"))
{
fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
config_error_line(&cfg), config_error_text(&cfg));
config_destroy(&cfg);
return(EXIT_FAILURE);
}
/* Find the 'movies' setting. Add intermediate settings if they don't yet
* exist.
*/
root = config_root_setting(&cfg);
setting = config_setting_get_member(root, "inventory");
if(!setting)
setting = config_setting_add(root, "inventory", CONFIG_TYPE_GROUP);
setting = config_setting_get_member(setting, "movies");
if(!setting)
setting = config_setting_add(setting, "movies", CONFIG_TYPE_LIST);
/* Create the new movie entry. */
movie = config_setting_add(setting, NULL, CONFIG_TYPE_GROUP);
setting = config_setting_add(movie, "title", CONFIG_TYPE_STRING);
config_setting_set_string(setting, "Buckaroo Banzai");
setting = config_setting_add(movie, "media", CONFIG_TYPE_STRING);
config_setting_set_string(setting, "DVD");
setting = config_setting_add(movie, "price", CONFIG_TYPE_FLOAT);
config_setting_set_float(setting, 12.99);
setting = config_setting_add(movie, "qty", CONFIG_TYPE_INT);
config_setting_set_float(setting, 20);
/* Write out the updated configuration. */
if(! config_write_file(&cfg, output_file))
{
fprintf(stderr, "Error while writing file.\n");
config_destroy(&cfg);
return(EXIT_FAILURE);
}
fprintf(stderr, "Updated configuration successfully written to: %s\n",
output_file);
config_destroy(&cfg);
return(EXIT_SUCCESS);
}
config_setting_t *config_setting_set_float_elem(config_setting_t *vector,
int idx, double value)
{
config_setting_t *element = NULL;
if((vector->type != CONFIG_TYPE_ARRAY) && (vector->type != CONFIG_TYPE_LIST))
return(NULL);
if(idx < 0)
{
if(! __config_vector_checktype(vector, CONFIG_TYPE_FLOAT))
return(NULL);
element = config_setting_create(vector, NULL, CONFIG_TYPE_FLOAT);
}
else
element = config_setting_get_elem(vector, idx);
if(! element)
return(NULL);
if(! config_setting_set_float(element, value))
return(NULL);
return(element);
}
void config_setting_copy_simple(config_setting_t *parent, const config_setting_t *src)
{
if (config_setting_is_aggregate(src)) {
config_setting_copy_aggregate(parent, src);
}
else {
config_setting_t *set;
if( config_setting_get_member(parent, config_setting_name(src)) != NULL )
return;
if ((set = config_setting_add(parent, config_setting_name(src), config_setting_type(src))) == NULL)
return;
if (CONFIG_TYPE_INT == config_setting_type(src)) {
config_setting_set_int(set, config_setting_get_int(src));
config_setting_set_format(set, src->format);
} else if (CONFIG_TYPE_INT64 == config_setting_type(src)) {
config_setting_set_int64(set, config_setting_get_int64(src));
config_setting_set_format(set, src->format);
} else if (CONFIG_TYPE_FLOAT == config_setting_type(src)) {
config_setting_set_float(set, config_setting_get_float(src));
} else if (CONFIG_TYPE_STRING == config_setting_type(src)) {
config_setting_set_string(set, config_setting_get_string(src));
} else if (CONFIG_TYPE_BOOL == config_setting_type(src)) {
config_setting_set_bool(set, config_setting_get_bool(src));
}
}
}
void MainDialog::configSetFloat(const char* key, double val) {
config_setting_t* setting = config_lookup(&config_, key);
if(!setting) { // setting not found
// add a new setting for it
config_setting_t* root = config_root_setting(&config_);
setting = config_setting_add(root, key, CONFIG_TYPE_FLOAT);
}
config_setting_set_float(setting, val);
}
/*********************
return RET_NOK on error
*********************/
ret_code_t entry_copy_config(config_setting_t * source, config_setting_t * dest)
{
config_setting_t * new_source;
config_setting_t * new_dest;
int index = -1;
int int_value;
long long long_value;
double double_value;
const char * string;
while((new_source=config_setting_get_elem(source,index+1))!= NULL ) {
index++;
if(config_setting_is_group(new_source)) {
if(!entry_copy_aggregate(new_source,dest,CONFIG_TYPE_GROUP)) {
return RET_NOK;
}
}
else if(config_setting_is_array(new_source)) {
if(!entry_copy_aggregate(new_source,dest,CONFIG_TYPE_ARRAY)) {
return RET_NOK;
}
}
else if(config_setting_is_list(new_source)) {
if(!entry_copy_aggregate(new_source,dest,CONFIG_TYPE_LIST)) {
return RET_NOK;
}
}
else {
switch(config_setting_type(new_source)) {
case CONFIG_TYPE_INT:
int_value = config_setting_get_int(new_source);
new_dest = config_setting_add (dest, config_setting_name(new_source),CONFIG_TYPE_INT);
config_setting_set_int(new_dest,int_value);
continue;
case CONFIG_TYPE_INT64:
long_value = config_setting_get_int64(new_source);
new_dest = config_setting_add (dest, config_setting_name(new_source),CONFIG_TYPE_INT64);
config_setting_set_int64(new_dest,long_value);
continue;
case CONFIG_TYPE_FLOAT:
double_value = config_setting_get_float(new_source);
new_dest = config_setting_add (dest, config_setting_name(new_source),CONFIG_TYPE_FLOAT);
config_setting_set_float(new_dest,double_value);
continue;
case CONFIG_TYPE_BOOL:
int_value = config_setting_get_bool(new_source);
new_dest = config_setting_add (dest, config_setting_name(new_source),CONFIG_TYPE_BOOL);
config_setting_set_bool(new_dest,int_value);
continue;
case CONFIG_TYPE_STRING:
string = config_setting_get_string(new_source);
new_dest = config_setting_add (dest, config_setting_name(new_source),CONFIG_TYPE_STRING);
config_setting_set_string(new_dest,string);
continue;
default:
return RET_NOK;
}
}
}
return RET_OK;
}
int writeCfgState(void) {
config_t cfg;
config_setting_t *ttempState = 0;
config_setting_t *thumState = 0;
config_setting_t *tRHeatTS = 0;
config_setting_t *tRHumTS = 0;
config_setting_t *tRHepaTS = 0;
config_setting_t *tRFanTS = 0;
config_setting_t *twfactor = 0;
config_setting_t *trelay1o = 0;
config_setting_t *trelay2o = 0;
config_setting_t *trelay3o = 0;
config_setting_t *trelay4o = 0;
config_setting_t *trelay5o = 0;
config_setting_t *trelay6o = 0;
config_setting_t *trelay7o = 0;
config_setting_t *trelay8o = 0;
config_init(&cfg);
if (!config_read_file(&cfg, config_state_path))
{
printf("\n%s:%d - %s", config_error_file(&cfg), config_error_line(&cfg), config_error_text(&cfg));
config_destroy(&cfg);
return -1;
}
/* lookup variables in config file */
ttempState = config_lookup(&cfg, "tempState");
thumState = config_lookup(&cfg, "humState");
trelay1o = config_lookup(&cfg, "relay1o");
trelay2o = config_lookup(&cfg, "relay2o");
trelay3o = config_lookup(&cfg, "relay3o");
trelay4o = config_lookup(&cfg, "relay4o");
trelay5o = config_lookup(&cfg, "relay5o");
trelay6o = config_lookup(&cfg, "relay6o");
trelay7o = config_lookup(&cfg, "relay7o");
trelay8o = config_lookup(&cfg, "relay8o");
tRHeatTS = config_lookup(&cfg, "RHeatTS");
tRHumTS = config_lookup(&cfg, "RHumTS");
tRHepaTS = config_lookup(&cfg, "RHepaTS");
tRFanTS = config_lookup(&cfg, "RFanTS");
twfactor = config_lookup(&cfg, "wfactor");
/* get variables from config file then print the variables that changed */
if (config_setting_get_int(ttempState) != tempState) {
printf("\ntempState: %i -> ", config_setting_get_int(ttempState));
config_setting_set_int(ttempState, tempState);
printf("%i", config_setting_get_int(ttempState));
}
if (config_setting_get_int(thumState) != humState) {
printf("\nhumState: %i -> ", config_setting_get_int(thumState));
config_setting_set_int(thumState, humState);
printf("%i", config_setting_get_int(thumState));
}
if (config_setting_get_int(trelay1o) != relay1o) {
printf("\nrelay1o: %i -> ", config_setting_get_int(trelay1o));
config_setting_set_int(trelay1o, relay1o);
printf("%i", config_setting_get_int(trelay1o));
}
if (config_setting_get_int(trelay2o) != relay2o) {
printf("\nrelay2o: %i -> ", config_setting_get_int(trelay2o));
config_setting_set_int(trelay2o, relay2o);
printf("%i", config_setting_get_int(trelay2o));
}
if (config_setting_get_int(trelay3o) != relay3o) {
printf("\nrelay3o: %i -> ", config_setting_get_int(trelay3o));
config_setting_set_int(trelay3o, relay3o);
printf("%i", config_setting_get_int(trelay3o));
}
if (config_setting_get_int(trelay4o) != relay4o) {
printf("\nrelay4o: %i -> ", config_setting_get_int(trelay4o));
config_setting_set_int(trelay4o, relay4o);
printf("%i", config_setting_get_int(trelay4o));
}
if (config_setting_get_int(trelay5o) != relay5o) {
printf("\nrelay5o: %i -> ", config_setting_get_int(trelay5o));
config_setting_set_int(trelay5o, relay5o);
printf("%i", config_setting_get_int(trelay5o));
}
if (config_setting_get_int(trelay6o) != relay6o) {
printf("\nrelay6o: %i -> ", config_setting_get_int(trelay6o));
config_setting_set_int(trelay6o, relay6o);
printf("%i", config_setting_get_int(trelay6o));
}
if (config_setting_get_int(trelay7o) != relay7o) {
printf("\nrelay7o: %i -> ", config_setting_get_int(trelay7o));
config_setting_set_int(trelay7o, relay7o);
printf("%i", config_setting_get_int(trelay7o));
}
if (config_setting_get_int(trelay8o) != relay8o) {
printf("\nrelay8o: %i -> ", config_setting_get_int(trelay8o));
config_setting_set_int(trelay8o, relay8o);
printf("%i", config_setting_get_int(trelay8o));
}
if (config_setting_get_int(tRHeatTS) != RHeatTS) {
printf("\nRHeatTS: %i -> ", config_setting_get_int(tRHeatTS));
config_setting_set_int(tRHeatTS, RHeatTS);
printf("%i", config_setting_get_int(tRHeatTS));
}
if (config_setting_get_int(tRHumTS) != RHumTS) {
printf("\nRHumTS: %i -> ", config_setting_get_int(tRHumTS));
config_setting_set_int(tRHumTS, RHumTS);
printf("%i", config_setting_get_int(tRHumTS));
}
if (config_setting_get_int(tRHepaTS) != RHepaTS) {
printf("\nRHepaTS: %i -> ", config_setting_get_int(tRHepaTS));
config_setting_set_int(tRHepaTS, RHepaTS);
printf("%i", config_setting_get_int(tRHepaTS));
}
if (config_setting_get_int(tRFanTS) != RFanTS) {
printf("\nRFanTS: %i -> ", config_setting_get_int(tRFanTS));
config_setting_set_int(tRFanTS, RFanTS);
printf("%i", config_setting_get_int(tRFanTS));
}
if (config_setting_get_float(twfactor) != wfactor) {
printf("\nwfactor: %i -> ", config_setting_get_float(twfactor));
config_setting_set_float(twfactor, wfactor);
printf("%i", config_setting_get_float(twfactor));
}
/* write the modified config file */
config_write_file(&cfg, config_state_path);
config_destroy(&cfg);
return 0;
}
// load the default configuration in cfg
static void set_default_config(config_t * cfg) {
static const unsigned AACCESSES = 4 * 1024 * 1024;
static const unsigned BEGIN = BEGIN_INIT;
static const char SPAWN[] = "linear";
static const long long END = END_INIT;
static const float FREQUENCY = 1;
static const bool LOGGING = false;
static const char LOGFILE[] = "adhd_log";
static const char PATTERN[] = "random";
static const unsigned PROCESSES = 1;
static const unsigned REPETITIONS = 50;
static const long long STEP = STEP_INIT;
static const char SCALING[] = "linear";
static const bool SILENT = false;
static const unsigned THREADS = 1;
static const long long STREAM_STEP = 10 * (1 << 20);
static const long long STREAM_END = 100 * (1 << 20);
static const long long FLOPS_STEP = 10 * (1 << 10);
static const long long FLOPS_END = 1 * (1 << 20);
static const long long FLOPS_CALCULATIONS = 1000 * 1000 * 1000;
config_setting_t *setting;
config_setting_t *root;
root = config_root_setting(cfg);
// generic group
{
config_setting_t *generic =
config_setting_add(root, FLD_GENERIC_GROUP, CONFIG_TYPE_GROUP);
// array of names of enabled programs (uses corresponding group names for
// the sake of simplicity)
{
config_setting_t *programs =
config_setting_add(generic, FLD_PROGRAMS_GROUP, CONFIG_TYPE_ARRAY);
static const char *names[] = {
FLD_WALKARRAY_GROUP,
FLD_STREAMARRAY_GROUP,
FLD_FLOPSARRAY_GROUP,
NULL // mark end of list
};
for (size_t i = 0; names[i]; ++i) {
setting = config_setting_add(programs, NULL, CONFIG_TYPE_STRING);
config_setting_set_string(setting, names[i]);
}
}
// CPU frequency to calculate cycle estimate
// TODO: use actual cycle counter in the CPU
// (this is a feature with a design impact, as SMP complicates matters ... :))
setting = config_setting_add(generic, FLD_GENERIC_GPU_FREQUENCY, CONFIG_TYPE_FLOAT);
config_setting_set_float(setting, FREQUENCY);
// logging enabled?
setting = config_setting_add(generic, FLD_GENERIC_LOGGING, CONFIG_TYPE_BOOL);
config_setting_set_bool(setting, LOGGING);
// base filename to log process timings to
setting = config_setting_add(generic, FLD_GENERIC_LOGFILE, CONFIG_TYPE_STRING);
config_setting_set_string(setting, LOGFILE);
// process spawn method
setting = config_setting_add(generic, FLD_GENERIC_SPAWN, CONFIG_TYPE_STRING);
config_setting_set_string(setting, SPAWN);
// number of processes to run: begin
// TODO: just like arrays we could have a linear or exponential increment
setting = config_setting_add(generic, FLD_GENERIC_PROCESSES_BEGIN, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, PROCESSES);
// number of processes to run: end
setting = config_setting_add(generic, FLD_GENERIC_PROCESSES_END, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, PROCESSES);
// number of threads per process to run: begin
// TODO: just like arrays we could have a linear or exponential increment
setting = config_setting_add(generic, FLD_GENERIC_THREADS_BEGIN, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, THREADS);
// number of threads per process to run: end
setting = config_setting_add(generic, FLD_GENERIC_THREADS_END, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, THREADS);
// silent mode
setting = config_setting_add(generic, FLD_GENERIC_SILENT, CONFIG_TYPE_BOOL);
config_setting_set_bool(setting, SILENT);
}
// walking array group
{
config_setting_t *array =
config_setting_add(root, FLD_WALKARRAY_GROUP, CONFIG_TYPE_GROUP);
// array accesses
setting = config_setting_add(array, FLD_WALKARRAY_ACCESSES, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, AACCESSES);
// repetitions of a single test, to be able to calculate an average
// and a standard deviation, indicating run precision
setting = config_setting_add(array, FLD_WALKARRAY_REPEAT, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, REPETITIONS);
// initial array size
setting = config_setting_add(array, FLD_WALKARRAY_BEGINLENGTH, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, BEGIN);
// maximal array size
setting = config_setting_add(array, FLD_WALKARRAY_ENDLENGTH, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, END);
// increment factor
setting = config_setting_add(array, FLD_WALKARRAY_INCREMENT, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, STEP);
// increment type
// (linear adds the increment, exponential multiplies the previous length)
setting = config_setting_add(array, FLD_WALKARRAY_SCALING, CONFIG_TYPE_STRING);
config_setting_set_string(setting, SCALING);
// walking pattern
// (sequentially increasing/decreasing or random)
setting = config_setting_add(array, FLD_WALKARRAY_PATTERN, CONFIG_TYPE_STRING);
config_setting_set_string(setting, PATTERN);
}
// streaming array group
{
config_setting_t *array =
config_setting_add(root, FLD_STREAMARRAY_GROUP, CONFIG_TYPE_GROUP);
// initial array size
setting = config_setting_add(array, FLD_STREAMARRAY_BEGINLENGTH, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, BEGIN);
// maximal array size
setting = config_setting_add(array, FLD_STREAMARRAY_ENDLENGTH, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, STREAM_END);
// increment factor
setting = config_setting_add(array, FLD_STREAMARRAY_INCREMENT, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, STREAM_STEP);
// increment type
// (linear adds the increment, exponential multiplies the previous length)
setting = config_setting_add(array, FLD_STREAMARRAY_SCALING, CONFIG_TYPE_STRING);
config_setting_set_string(setting, SCALING);
}
// flops array group
{
config_setting_t *array =
config_setting_add(root, FLD_FLOPSARRAY_GROUP, CONFIG_TYPE_GROUP);
// initial array size
setting = config_setting_add(array, FLD_FLOPSARRAY_BEGINLENGTH, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, BEGIN);
// maximal array size
setting = config_setting_add(array, FLD_FLOPSARRAY_ENDLENGTH, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, FLOPS_END);
// increment factor
setting = config_setting_add(array, FLD_FLOPSARRAY_INCREMENT, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, FLOPS_STEP);
// increment type
// (linear adds the increment, exponential multiplies the previous length)
setting = config_setting_add(array, FLD_FLOPSARRAY_SCALING, CONFIG_TYPE_STRING);
config_setting_set_string(setting, SCALING);
// number of calculations to perform
setting = config_setting_add(array, FLD_FLOPSARRAY_CALCULATIONS, CONFIG_TYPE_INT64);
config_setting_set_int64(setting, FLOPS_CALCULATIONS);
}
}