X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d25ee31741e8dd64436721b11fe82a0969f369cf..13c5da75068f441142fcf93d4d78124a7885d116:/src/surf/trace_mgr.c

diff --git a/src/surf/trace_mgr.c b/src/surf/trace_mgr.c
index 80db05db81..1f53504f00 100644
--- a/src/surf/trace_mgr.c
+++ b/src/surf/trace_mgr.c
@@ -6,13 +6,11 @@
  * 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/str.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 +20,75 @@ 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, xbt_free_f);	/* 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_from_string(const char* id, const char *input, double periodicity)
+{
+  tmgr_trace_t trace = NULL;
+  int linecount = 0;
+  s_tmgr_event_t event;
+  tmgr_event_t last_event = NULL;
+  xbt_dynar_t list;
+  unsigned int cpt;
+  char * val;
+
+  if (trace_list) {
+    trace = xbt_dict_get_or_null(trace_list, id);
+    if (trace)
+      return trace;
+  }
+
+  if (periodicity <= 0) {
+    xbt_assert1(0, "Periodicity has to be positive. Your value %lg", periodicity);
+  }
+
+  trace = xbt_new0(s_tmgr_trace_t, 1);
+  trace->event_list = xbt_dynar_new(sizeof(s_tmgr_event_t), NULL);
+
+  list = xbt_str_split(input,"\n\r");
+  
+  
+  xbt_dynar_foreach(list, cpt, val) {
+     linecount++;
+     xbt_str_trim(val, " \t\n\r\x0B");
+     if (strlen(val) > 0) {
+       if (sscanf(val, "%lg" " " "%lg" "\n", &event.delta, &event.value) != 2) {
+          xbt_assert2(0, "%s\n%d: Syntax error", input, linecount);
+       }
+       if (last_event) {
+           if ((last_event->delta = event.delta - last_event->delta) <= 0) {
+	       xbt_assert2(0, "%s\n%d: Invalid trace value, events have to be sorted", input, linecount);
+           }
+       }
+       xbt_dynar_push(trace->event_list, &event);
+       last_event = xbt_dynar_get_ptr(trace->event_list, xbt_dynar_length(trace->event_list) - 1);
+       if (periodicity > 0) {
+         if (last_event)
+           last_event->delta = periodicity;
+       }
+     }
+  }
+
+  if (!trace_list)
+    trace_list = xbt_dict_new();
+
+  xbt_dict_set(trace_list, id, (void *) trace, _tmgr_trace_free);
+
+  xbt_dynar_free(&list);
+  return trace;
 }
 
 tmgr_trace_t tmgr_trace_new(const char *filename)
@@ -48,12 +102,12 @@ 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);
   }
 
@@ -108,50 +162,65 @@ 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)
+					  double start_time, unsigned int offset,
+					  void *model)
 {
   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;
-  trace_event->resource = resource;
+  trace_event->model = model;
 
   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)
+						   void **model)
 {
-  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 +228,24 @@ 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;
+  *model = trace_event->model;
 
   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 NULL;
   }
 
   return trace_event;