free(h);
}
-tmgr_trace_t tmgr_trace_new_from_generator(const char *id,
- probabilist_event_generator_t generator1,
- probabilist_event_generator_t generator2,
- int is_state_trace)
+
+/**
+ * \brief Create a #tmgr_trace_t from probabilist generators
+ *
+ * This trace will generate an infinite set of events.
+ * It needs two #probabilist_event_generator_t. The date when the event are
+ * triggered is directed by date_generator, and will be interpreted as seconds.
+ * The value of the event is set by value_generator. The value should be between
+ * 0 and 1.
+ *
+ * \param id The name of the trace
+ * \param date_generator The #probabilist_event_generator_t which generates the time
+ * between two events
+ * \param generator2 The #probabilist_event_generator_t which generates the value
+ * of each events.
+ * \return The new #tmgr_trace_t
+ */
+tmgr_trace_t tmgr_trace_generator_value(const char *id,
+ probabilist_event_generator_t date_generator,
+ probabilist_event_generator_t value_generator)
{
tmgr_trace_t trace = NULL;
trace = xbt_new0(s_tmgr_trace_t, 1);
trace->type = e_trace_probabilist;
- trace->s_probabilist.event_generator[0] = generator1;
+ trace->s_probabilist.event_generator[0] = date_generator;
+ trace->s_probabilist.event_generator[1] = value_generator;
+ trace->s_probabilist.is_state_trace = 0;
- //FIXME : may also be a parameter
- trace->s_probabilist.next_event = 0;
- trace->s_probabilist.is_state_trace = is_state_trace;
+ return trace;
+}
- if(generator2 != NULL) {
- trace->s_probabilist.event_generator[1] = generator2;
- } else if(is_state_trace) {
- trace->s_probabilist.event_generator[1] = generator1;
- } else {
- THROW_IMPOSSIBLE; //That case should have been checked before, anyway...
- }
+/**
+ * \brief Create a #tmgr_trace_t from probabilist generators
+ *
+ * This trace will generate an infinite set of events. Value of the events
+ * will be alternatively 0 and 1, so this should be used as a state trace.
+ *
+ * \param id The name of the trace
+ * \param date_generator The #probabilist_event_generator_t which generates the time
+ * between two events
+ * \param first_event_value Set the first event value
+ * \return The new #tmgr_trace_t
+ */
+tmgr_trace_t tmgr_trace_generator_state(const char *id,
+ probabilist_event_generator_t date_generator,
+ e_surf_resource_state_t first_event_value)
+{
+ tmgr_trace_t trace = NULL;
+
+ trace = xbt_new0(s_tmgr_trace_t, 1);
+ trace->type = e_trace_probabilist;
+
+ trace->s_probabilist.event_generator[0] = date_generator;
+ trace->s_probabilist.event_generator[1] = date_generator;
+ trace->s_probabilist.is_state_trace = 1;
+ trace->s_probabilist.next_event = (first_event_value==SURF_RESOURCE_ON ? 1 : 0);
return trace;
}
+/**
+ * \brief Create a #tmgr_trace_t from probabilist generators
+ *
+ * This trace will generate an infinite set of events. Value of the events
+ * will be alternatively 0 and 1, so this should be used as a state trace.
+ *
+ * \param id The name of the trace
+ * \param avail_duration_generator The #probabilist_event_generator_t which
+ * set the duration of the available state, (ie 1 value)
+ * \param unavail_duration_generator The #probabilist_event_generator_t which
+ * set the duration of the unavailable state, (ie 0 value)
+ * \param first_event_value Set the first event value
+ * \return The new #tmgr_trace_t
+ */
+tmgr_trace_t tmgr_trace_generator_avail_unavail(const char *id,
+ probabilist_event_generator_t avail_duration_generator,
+ probabilist_event_generator_t unavail_duration_generator,
+ e_surf_resource_state_t first_event_value)
+{
+ tmgr_trace_t trace = NULL;
+
+ trace = xbt_new0(s_tmgr_trace_t, 1);
+ trace->type = e_trace_probabilist;
+
+ trace->s_probabilist.event_generator[0] = unavail_duration_generator;
+ trace->s_probabilist.event_generator[1] = avail_duration_generator;
+ trace->s_probabilist.is_state_trace = 1;
+ trace->s_probabilist.next_event = (first_event_value==SURF_RESOURCE_ON ? 1 : 0);
+
+ return trace;
+}
+
+/**
+ * \brief Create a new #probabilist_event_generator_t following the uniform distribution
+ *
+ * This generator will generate uniformly distributed random values between min and max
+ * The id is important : it controls the seed of the generator. So, generators with the
+ * same id and the same parameters will generate the same values.
+ *
+ * \param id The name of the generator
+ * \param min The minimal generated value
+ * \param max The maximal generated value
+ * \return a new #probabilist_event_generator_t
+ */
probabilist_event_generator_t tmgr_event_generator_new_uniform(const char* id,
double min,
double max)
return event_generator;
}
+
+/**
+ * \brief Create a new #probabilist_event_generator_t following the exponential distribution
+ *
+ * This generator will generate random values following the exponential distribution.
+ * The mean value is 1/rate .
+ * The id is important : it controls the seed of the generator. So, generators with the
+ * same id and the same parameters will generate the same values.
+ *
+ * \param id The name of the generator
+ * \param rate The rate parameter
+ * \return a new #probabilist_event_generator_t
+ */
probabilist_event_generator_t tmgr_event_generator_new_exponential(const char* id,
double rate)
{
return event_generator;
}
+/**
+ * \brief Create a new #probabilist_event_generator_t following the weibull distribution
+ *
+ * This generator will generate random values following the weibull distribution.
+ * The id is important : it controls the seed of the generator. So, generators with the
+ * same id and the same parameters will generate the same values.
+ *
+ * \param id The name of the generator
+ * \param scale The scale parameter
+ * \param shape The shape parameter
+ * \return a new #probabilist_event_generator_t
+ */
probabilist_event_generator_t tmgr_event_generator_new_weibull(const char* id,
double scale,
double shape)
return event_generator;
}
-
+/**
+ * \brief Get the next random value of a #probabilist_event_generator_t
+ * \param generator The #probabilist_event_generator_t
+ * \return the next random value
+ */
double tmgr_event_generator_next_value(probabilist_event_generator_t generator)
{
id, linecount, last_event->delta, event.delta, input);
}
last_event->delta = event.delta - last_event->delta;
+ } else {
+ if(event.delta > 0.0){
+ s_tmgr_event_t first_event;
+ first_event.delta=event.delta;
+ first_event.value=-1.0;
+ xbt_dynar_push(trace->s_list.event_list, &first_event);
+ }
}
xbt_dynar_push(trace->s_list.event_list, &event);
last_event =
trace_event->idx++;
} else if (event->delta > 0) { /* Last element, checking for periodicity */
xbt_heap_push(h->heap, trace_event, event_date + event->delta);
- trace_event->idx = 0;
+ trace_event->idx = 1; /* not 0 as the first event is a placeholder to handle when events really start */
} else { /* We don't need this trace_event anymore */
trace_event->free_me = 1;
}
