X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d25ee31741e8dd64436721b11fe82a0969f369cf..b362f44b3941a4b07a255240da19066915fbacb3:/src/surf/trace_mgr.c

diff --git a/src/surf/trace_mgr.c b/src/surf/trace_mgr.c
index 80db05db81..aee5753261 100644
--- a/src/surf/trace_mgr.c
+++ b/src/surf/trace_mgr.c
@@ -6,13 +6,10 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "xbt/sysdep.h"
-#include "xbt/error.h"
+#include "xbt/log.h"
 #include "xbt/dict.h"
 #include "trace_mgr_private.h"
-#include <stdlib.h>
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(trace, surf,
-				"Logging specific to the SURF trace module");
+#include "surf_private.h"
 
 static xbt_dict_t trace_list = NULL;
 static void _tmgr_trace_free(void *trace)
@@ -22,19 +19,19 @@ static void _tmgr_trace_free(void *trace)
 
 tmgr_history_t tmgr_history_new(void)
 {
-  tmgr_history_t history;
+  tmgr_history_t h;
 
-  history = xbt_new0(s_tmgr_history_t, 1);
+  h = xbt_new0(s_tmgr_history_t, 1);
 
-  history->heap = xbt_heap_new(8, xbt_free);	/* Why 8 ? Well, why not... */
+  h->heap = xbt_heap_new(8, free);	/* Why 8 ? Well, why not... */
 
-  return history;
+  return h;
 }
 
-void tmgr_history_free(tmgr_history_t history)
+void tmgr_history_free(tmgr_history_t h)
 {
-  xbt_heap_free(history->heap);
-  xbt_free(history);
+  xbt_heap_free(h->heap);
+  free(h);
 }
 
 tmgr_trace_t tmgr_trace_new(const char *filename)
@@ -48,12 +45,12 @@ tmgr_trace_t tmgr_trace_new(const char *filename)
   tmgr_event_t last_event = NULL;
 
   if (trace_list) {
-    xbt_dict_get(trace_list, filename, (void **) &trace);
+    trace = xbt_dict_get_or_null(trace_list, filename);
     if (trace)
       return trace;
   }
 
-  if ((f = fopen(filename, "r")) == NULL) {
+  if ((f = surf_fopen(filename, "r")) == NULL) {
     xbt_assert1(0, "Cannot open file '%s'", filename);
   }
 
@@ -108,23 +105,38 @@ tmgr_trace_t tmgr_trace_new(const char *filename)
   return trace;
 }
 
+tmgr_trace_t tmgr_empty_trace_new(void)
+{
+  tmgr_trace_t trace = NULL;
+  /*double periodicity = -1.0;	 No periodicity by default; unused variables
+  tmgr_event_t last_event = NULL;*/
+  s_tmgr_event_t event;
+
+  trace = xbt_new0(s_tmgr_trace_t, 1);
+  trace->event_list = xbt_dynar_new(sizeof(s_tmgr_event_t), NULL);
+
+  event.delta = 0.0;
+  event.value = 0.0;
+  xbt_dynar_push(trace->event_list, &event);
+
+  return trace;
+}
 
 void tmgr_trace_free(tmgr_trace_t trace)
 {
   if (!trace)
     return;
   xbt_dynar_free(&(trace->event_list));
-  xbt_free(trace);
+  free(trace);
 }
 
-tmgr_trace_event_t tmgr_history_add_trace(tmgr_history_t history,
+tmgr_trace_event_t tmgr_history_add_trace(tmgr_history_t h,
 					  tmgr_trace_t trace,
 					  double start_time, int offset,
 					  void *resource)
 {
   tmgr_trace_event_t trace_event = NULL;
 
-
   trace_event = xbt_new0(s_tmgr_trace_event_t, 1);
   trace_event->trace = trace;
   trace_event->idx = offset;
@@ -133,25 +145,25 @@ tmgr_trace_event_t tmgr_history_add_trace(tmgr_history_t history,
   xbt_assert0((trace_event->idx < xbt_dynar_length(trace->event_list)),
 	      "You're refering to an event that does not exist!");
 
-  xbt_heap_push(history->heap, trace_event, start_time);
+  xbt_heap_push(h->heap, trace_event, start_time);
 
   return trace_event;
 }
 
-double tmgr_history_next_date(tmgr_history_t history)
+double tmgr_history_next_date(tmgr_history_t h)
 {
-  if (xbt_heap_size(history->heap))
-    return (xbt_heap_maxkey(history->heap));
+  if (xbt_heap_size(h->heap))
+    return (xbt_heap_maxkey(h->heap));
   else
     return -1.0;
 }
 
-tmgr_trace_event_t tmgr_history_get_next_event_leq(tmgr_history_t history,
+tmgr_trace_event_t tmgr_history_get_next_event_leq(tmgr_history_t h,
 						   double date,
 						   double *value,
 						   void **resource)
 {
-  double event_date = xbt_heap_maxkey(history->heap);
+  double event_date = tmgr_history_next_date(h);
   tmgr_trace_event_t trace_event = NULL;
   tmgr_event_t event = NULL;
   tmgr_trace_t trace = NULL;
@@ -159,24 +171,23 @@ tmgr_trace_event_t tmgr_history_get_next_event_leq(tmgr_history_t history,
   if (event_date > date)
     return NULL;
 
-  if (!(trace_event = xbt_heap_pop(history->heap)))
+  if (!(trace_event = xbt_heap_pop(h->heap)))
     return NULL;
 
   trace = trace_event->trace;
   event = xbt_dynar_get_ptr(trace->event_list, trace_event->idx);
 
-
   *value = event->value;
   *resource = trace_event->resource;
 
   if (trace_event->idx < xbt_dynar_length(trace->event_list) - 1) {
-    xbt_heap_push(history->heap, trace_event, event_date + event->delta);
+    xbt_heap_push(h->heap, trace_event, event_date + event->delta);
     trace_event->idx++;
   } else if (event->delta > 0) {	/* Last element, checking for periodicity */
-    xbt_heap_push(history->heap, trace_event, event_date + event->delta);
+    xbt_heap_push(h->heap, trace_event, event_date + event->delta);
     trace_event->idx = 0;
   } else {			/* We don't need this trace_event anymore */
-    xbt_free(trace_event);
+    free(trace_event);
   }
 
   return trace_event;