/**
* Returns a handler for the parameter with name "name".
* This handler is then used by the functions oesr_var_param_value() and oesr_var_param_type()
*
* \param context OESR context pointer
* \param name Name of the parameter, as it appears in the waveform .app file
* \return On success, returns a non-null handler. On error returns null.
*/
var_t oesr_var_param_get(void *context, char *name) {
cast_p(ctx,context);
OESR_ASSERT_PARAM_P(name);
sdebug("name=%s\n",name);
nod_module_t *module = (nod_module_t*) ctx->module;
variable_t *variable = nod_module_variable_get(module,name);
if (!variable) {
OESR_SETERROR(OESR_ERROR_NOTFOUND);
return NULL;
}
return (var_t) variable;
}
/**
* It creates a new log for the module. The returned handler (if non-null)
* is then passed as the first parameter to the functions oesr_log_write() or oesr_log_printf().
* \param context OESR context pointer
* \param name Name of the log to create
* \returns NULL on error or non-null on success.
*/
log_t oesr_log_create(void *context, char *name) {
sdebug("context=0x%x, name=%s\n",context,name);
cast_p(ctx,context);
OESR_ASSERT_PARAM_P(name);
int i;
i=0;
while(i<MAX(oesr_log) && ctx->logs[i].id)
i++;
if (i==MAX(oesr_log)) {
OESR_SETERROR(OESR_ERROR_NOSPACE);
return NULL;
}
if (oesr_log_init(ctx, &ctx->logs[i], name)) {
return NULL;
}
ctx->logs[i].id = i+1;
return (log_t) &ctx->logs[i];
}
/**
*
* oesr_counter_create() creates a new counter. It returns a handler that is then used by the
* counter functions to manage it.
*
* \param context OESR context pointer
* \param name Name associated to the public variable
* \returns On success, returns a non-null counter_t object. On error returns null.
*/
counter_t oesr_counter_create(void *context, char *name) {
sdebug("context=0x%x, name=%s\n",context,name);
cast_p(ctx,context);
OESR_ASSERT_PARAM_P(name);
int i;
i=0;
while(i<MAX(oesr_counter) && ctx->counters[i].id)
i++;
if (i==MAX(oesr_counter)) {
OESR_SETERROR(OESR_ERROR_NOSPACE);
return NULL;
}
sdebug("counter_pos=%d\n",i);
if (oesr_counter_init(ctx, &ctx->counters[i],name)) {
return NULL;
} else {
ctx->counters[i].id = i+1;
return (counter_t) &ctx->counters[i];
}
}
/** Returns a pointer to the oesr name string.
*/
char *oesr_module_name(void *context) {
cast_p(ctx,context);
nod_module_t *module = (nod_module_t*) ctx->module;
return module->parent.name;
}
