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Bring back useful functions for the bypass from before David's internship.
[simgrid.git] / src / surf / surfxml_parse.c
index 84294fe..13a387b 100644 (file)
-/*     $Id$     */
-
-/* Copyright (c) 2004 Arnaud Legrand. All rights reserved.                  */
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "xbt/misc.h"
 #include "xbt/log.h"
+#include "xbt/str.h"
+#include "xbt/dict.h"
 #include "surf/surfxml_parse_private.h"
 #include "surf/surf_private.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(parse, surf ,"Logging specific to the SURF  module");
 
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_parse, surf,
+                                "Logging specific to the SURF parsing module");
 #undef CLEANUP
-#include "surfxml.c"
-
-static xbt_dynar_t surf_input_buffer_stack=NULL;
-static xbt_dynar_t surf_file_to_parse_stack=NULL;
+#include "simgrid_dtd.c"
+
+/* Initialize the parsing globals */
+xbt_dict_t traces_set_list = NULL;
+xbt_dict_t trace_connect_list_host_avail = NULL;
+xbt_dict_t trace_connect_list_power = NULL;
+xbt_dict_t trace_connect_list_link_avail = NULL;
+xbt_dict_t trace_connect_list_bandwidth = NULL;
+xbt_dict_t trace_connect_list_latency = NULL;
+
+/* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the foreach tag */
+static xbt_dynar_t surfxml_bufferstack_stack = NULL;
+int surfxml_bufferstack_size = 2048;
+static char *old_buff = NULL;
+static void surf_parse_error(char *msg);
+
+void surfxml_bufferstack_push(int new)
+{
+  if (!new)
+    old_buff = surfxml_bufferstack;
+  else {
+    xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
+    surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
+  }
+}
 
-void nil_function(void);
-void nil_function(void)
+void surfxml_bufferstack_pop(int new)
 {
-  return;
+  if (!new)
+    surfxml_bufferstack = old_buff;
+  else {
+    free(surfxml_bufferstack);
+    xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
+  }
 }
 
-void_f_void_t *STag_surfxml_platform_description_fun = nil_function;
-void_f_void_t *ETag_surfxml_platform_description_fun = nil_function;
-void_f_void_t *STag_surfxml_cpu_fun = nil_function;
-void_f_void_t *ETag_surfxml_cpu_fun = nil_function;
-void_f_void_t *STag_surfxml_network_link_fun = nil_function;
-void_f_void_t *ETag_surfxml_network_link_fun = nil_function;
-void_f_void_t *STag_surfxml_route_fun = nil_function;
-void_f_void_t *ETag_surfxml_route_fun = nil_function;
-void_f_void_t *STag_surfxml_route_element_fun = nil_function;
-void_f_void_t *ETag_surfxml_route_element_fun = nil_function;
-void_f_void_t *STag_surfxml_process_fun = nil_function;
-void_f_void_t *ETag_surfxml_process_fun = nil_function;
-void_f_void_t *STag_surfxml_argument_fun = nil_function;
-void_f_void_t *ETag_surfxml_argument_fun = nil_function;
+/* make sure these symbols are defined as strong ones in this file so that the linked can resolve them */
+xbt_dynar_t STag_surfxml_platform_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_platform_cb_list = NULL;
+xbt_dynar_t STag_surfxml_host_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_host_cb_list = NULL;
+xbt_dynar_t STag_surfxml_router_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_router_cb_list = NULL;
+xbt_dynar_t STag_surfxml_link_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_link_cb_list = NULL;
+xbt_dynar_t STag_surfxml_route_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_route_cb_list = NULL;
+xbt_dynar_t STag_surfxml_link_c_ctn_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_link_c_ctn_cb_list = NULL;
+xbt_dynar_t STag_surfxml_process_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_process_cb_list = NULL;
+xbt_dynar_t STag_surfxml_argument_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_argument_cb_list = NULL;
+xbt_dynar_t STag_surfxml_prop_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_prop_cb_list = NULL;
+xbt_dynar_t STag_surfxml_cluster_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_cluster_cb_list = NULL;
+xbt_dynar_t STag_surfxml_trace_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_trace_cb_list = NULL;
+xbt_dynar_t STag_surfxml_trace_c_connect_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_trace_c_connect_cb_list = NULL;
+xbt_dynar_t STag_surfxml_random_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_random_cb_list = NULL;
+xbt_dynar_t STag_surfxml_AS_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_AS_cb_list = NULL;
+xbt_dynar_t STag_surfxml_ASroute_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_ASroute_cb_list = NULL;
+xbt_dynar_t STag_surfxml_bypassRoute_cb_list = NULL;
+xbt_dynar_t ETag_surfxml_bypassRoute_cb_list = NULL;
+
+/* store the current property set for any tag */
+xbt_dict_t current_property_set = NULL;
+/* dictionary of random generator data */
+xbt_dict_t random_data_list = NULL;
+
+static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t);
 
 YY_BUFFER_STATE surf_input_buffer;
-FILE *surf_file_to_parse;
+FILE *surf_file_to_parse = NULL;
+
+static void surf_parse_error(char *msg);
+
+static void parse_Stag_trace(void);
+static void parse_Etag_trace(void);
+static void parse_Stag_trace_c_connect(void);
+
+static void init_randomness(void);
+static void add_randomness(void);
+
+void surf_parse_free_callbacks(void)
+{
+  xbt_dynar_free(&STag_surfxml_platform_cb_list);
+  xbt_dynar_free(&ETag_surfxml_platform_cb_list);
+  xbt_dynar_free(&STag_surfxml_host_cb_list);
+  xbt_dynar_free(&ETag_surfxml_host_cb_list);
+  xbt_dynar_free(&STag_surfxml_router_cb_list);
+  xbt_dynar_free(&ETag_surfxml_router_cb_list);
+  xbt_dynar_free(&STag_surfxml_link_cb_list);
+  xbt_dynar_free(&ETag_surfxml_link_cb_list);
+  xbt_dynar_free(&STag_surfxml_route_cb_list);
+  xbt_dynar_free(&ETag_surfxml_route_cb_list);
+  xbt_dynar_free(&STag_surfxml_link_c_ctn_cb_list);
+  xbt_dynar_free(&ETag_surfxml_link_c_ctn_cb_list);
+  xbt_dynar_free(&STag_surfxml_process_cb_list);
+  xbt_dynar_free(&ETag_surfxml_process_cb_list);
+  xbt_dynar_free(&STag_surfxml_argument_cb_list);
+  xbt_dynar_free(&ETag_surfxml_argument_cb_list);
+  xbt_dynar_free(&STag_surfxml_prop_cb_list);
+  xbt_dynar_free(&ETag_surfxml_prop_cb_list);
+  xbt_dynar_free(&STag_surfxml_trace_cb_list);
+  xbt_dynar_free(&ETag_surfxml_trace_cb_list);
+  xbt_dynar_free(&STag_surfxml_trace_c_connect_cb_list);
+  xbt_dynar_free(&ETag_surfxml_trace_c_connect_cb_list);
+  xbt_dynar_free(&STag_surfxml_random_cb_list);
+  xbt_dynar_free(&ETag_surfxml_random_cb_list);
+  xbt_dynar_free(&STag_surfxml_AS_cb_list);
+  xbt_dynar_free(&ETag_surfxml_AS_cb_list);
+  xbt_dynar_free(&STag_surfxml_ASroute_cb_list);
+  xbt_dynar_free(&ETag_surfxml_ASroute_cb_list);
+  xbt_dynar_free(&STag_surfxml_bypassRoute_cb_list);
+  xbt_dynar_free(&ETag_surfxml_bypassRoute_cb_list);
+  xbt_dynar_free(&STag_surfxml_cluster_cb_list);
+  xbt_dynar_free(&ETag_surfxml_cluster_cb_list);
+}
 
 void surf_parse_reset_parser(void)
 {
-  STag_surfxml_platform_description_fun = nil_function;
-  ETag_surfxml_platform_description_fun = nil_function;
-  STag_surfxml_cpu_fun = nil_function;
-  ETag_surfxml_cpu_fun = nil_function;
-  STag_surfxml_network_link_fun = nil_function;
-  ETag_surfxml_network_link_fun = nil_function;
-  STag_surfxml_route_fun = nil_function;
-  ETag_surfxml_route_fun = nil_function;
-  STag_surfxml_route_element_fun = nil_function;
-  ETag_surfxml_route_element_fun = nil_function;
-  STag_surfxml_process_fun = nil_function;
-  ETag_surfxml_process_fun = nil_function;
-  STag_surfxml_argument_fun = nil_function;
-  ETag_surfxml_argument_fun = nil_function;
-}
-
-void STag_surfxml_include(void)
-{
-  xbt_dynar_push(surf_input_buffer_stack,&surf_input_buffer);
-  xbt_dynar_push(surf_file_to_parse_stack,&surf_file_to_parse);
-  
-  surf_file_to_parse = surf_fopen(A_surfxml_include_file,"r");
-  xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n",
-             A_surfxml_include_file);
-  surf_input_buffer = surf_parse__create_buffer( surf_file_to_parse, 10);
-  surf_parse__switch_to_buffer(surf_input_buffer);
-  printf("STAG\n"); fflush(NULL);
+  surf_parse_free_callbacks();
+  STag_surfxml_platform_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_platform_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_link_c_ctn_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_link_c_ctn_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_process_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_process_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_argument_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_argument_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_trace_c_connect_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_trace_c_connect_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_ASroute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_ASroute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_bypassRoute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_bypassRoute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  STag_surfxml_cluster_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  ETag_surfxml_cluster_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 }
 
-void ETag_surfxml_include(void)
+/* Stag and Etag parse functions */
+
+void STag_surfxml_platform(void)
 {
-  printf("ETAG\n"); fflush(NULL);
-  surf_parse__delete_buffer(surf_input_buffer);
-  fclose(surf_file_to_parse);
-  xbt_dynar_pop(surf_file_to_parse_stack,&surf_file_to_parse);
-  xbt_dynar_pop(surf_input_buffer_stack,&surf_input_buffer);
+  double version = 0.0;
+
+  sscanf(A_surfxml_platform_version, "%lg", &version);
+
+  xbt_assert0((version >= 1.0), "******* BIG FAT WARNING *********\n "
+              "You're using an ancient XML file. "
+              "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
+              "instead of MBytes, MFlops and seconds. "
+              "A script (surfxml_update.pl) to help you convert your old "
+              "platform files "
+              "is available in the contrib/platform_generation directory "
+              "of the simgrid repository. Please check also out the "
+              "SURF section of the ChangeLog for the 3.1 version. "
+              "Last, do not forget to also update your values for "
+              "the calls to MSG_task_create (if any).");
+  xbt_assert0((version >= 2.0), "******* BIG FAT WARNING *********\n "
+              "You're using an old XML file. "
+              "A script (surfxml_update.pl) to help you convert your old "
+              "platform files "
+              "is available in the contrib/platform_generation directory "
+              "of the simgrid repository.");
+
+  surfxml_call_cb_functions(STag_surfxml_platform_cb_list);
+
 }
 
-void STag_surfxml_platform_description(void)
+#define parse_method(type,name) \
+void type##Tag_surfxml_##name(void) \
+{ surfxml_call_cb_functions(type##Tag_surfxml_##name##_cb_list); }
+
+                                  parse_method(E,platform);
+parse_method(S,host);             parse_method(E,host);
+parse_method(S,router);           parse_method(E,router);
+parse_method(S,link);             parse_method(E,link);
+parse_method(S,route);            parse_method(E,route);
+parse_method(S,link_c_ctn);       parse_method(E,link_c_ctn);
+parse_method(S,process);          parse_method(E,process);
+parse_method(S,argument);         parse_method(E,argument);
+parse_method(S,prop);             parse_method(E,prop);
+parse_method(S,trace);            parse_method(E,trace);
+parse_method(S,trace_c_connect);  parse_method(E,trace_c_connect);
+parse_method(S,random);           parse_method(E,random);
+parse_method(S,AS);               parse_method(E,AS);
+parse_method(S,ASroute);          parse_method(E,ASroute);
+parse_method(S,bypassRoute);      parse_method(E,bypassRoute);
+parse_method(S,cluster);         parse_method(E,cluster);
+
+/* Open and Close parse file */
+
+void surf_parse_open(const char *file)
 {
-  double version=0.0;
+  static int warned = 0;        /* warn only once */
+  if (!file) {
+    if (!warned) {
+      WARN0
+        ("Bypassing the XML parser since surf_parse_open received a NULL pointer. If it is not what you want, go fix your code.");
+      warned = 1;
+    }
+    return;
+  }
+  surf_file_to_parse = surf_fopen(file, "r");
+  xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n", file);
+  surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, 10);
+  surf_parse__switch_to_buffer(surf_input_buffer);
+  surf_parse_lineno = 1;
+}
 
-  sscanf(A_surfxml_platform_description_version,"%lg",&version);
+void surf_parse_close(void)
+{
+  if (surf_file_to_parse) {
+    surf_parse__delete_buffer(surf_input_buffer);
+    fclose(surf_file_to_parse);
+  }
+}
 
-  xbt_assert0((version>=1.0),"******* BIG FAT WARNING *********\n "
-             "You're using an old XML file. "
-             "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
-             "instead of MBytes, MFlops and seconds. "
-             "A script (surfxml_update.pl) to help you convert your old "
-             "platform files "
-             "is available in the contrib/platform_generation directory "
-             "of the simgrid repository. Please check also out the "
-             "SURF section of the ChangeLog for the 3.1 version. "
-             "Last, do not forget to also update your values for "
-             "the calls to MSG_task_create (if any).");
+/* Parse Function */
 
-  STag_surfxml_platform_description_fun();
+static int _surf_parse(void)
+{
+  return surf_parse_lex();
 }
 
-void ETag_surfxml_platform_description(void)
+int_f_void_t surf_parse = _surf_parse;
+
+void surf_parse_error(char *msg)
 {
-  ETag_surfxml_platform_description_fun();
+  fprintf(stderr, "Parse error on line %d: %s\n", surf_parse_lineno, msg);
+  abort();
 }
 
-void STag_surfxml_cpu(void)
+void surf_parse_get_double(double *value, const char *string)
 {
-  STag_surfxml_cpu_fun();
+  int ret = 0;
+  ret = sscanf(string, "%lg", value);
+  if (ret != 1)
+    surf_parse_error(bprintf("%s is not a double", string));
 }
 
-void ETag_surfxml_cpu(void)
+void surf_parse_get_int(int *value, const char *string)
 {
-  ETag_surfxml_cpu_fun();
+  int ret = 0;
+  ret = sscanf(string, "%d", value);
+  if (ret != 1)
+    surf_parse_error(bprintf("%s is not an integer", string));
 }
 
-void STag_surfxml_network_link(void)
+/* Aux parse functions */
+
+void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 {
-  STag_surfxml_network_link_fun();
+  xbt_dynar_push(cb_list, &function);
 }
 
-void ETag_surfxml_network_link(void)
+void surfxml_del_callback(xbt_dynar_t* p_cb_list, void_f_void_t function)
 {
-  ETag_surfxml_network_link_fun();
+  xbt_dynar_t new_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
+  unsigned int it;
+  void_f_void_t func;
+  xbt_dynar_foreach(*p_cb_list,it,func) {
+    if( func != function )
+      xbt_dynar_push(new_cb_list, &func);
+  }
+  xbt_dynar_free(p_cb_list);
+  *p_cb_list = new_cb_list;
 }
 
-void STag_surfxml_route(void)
+static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 {
-  STag_surfxml_route_fun();
+  unsigned int iterator;
+  void_f_void_t fun;
+  xbt_dynar_foreach(cb_list, iterator, fun) {
+    (*fun) ();
+  }
 }
 
-void ETag_surfxml_route(void)
+/* Init and free parse data */
+
+static void init_data(void)
 {
-  ETag_surfxml_route_fun();
+  if (!surfxml_bufferstack_stack)
+    surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
+
+  random_data_list = xbt_dict_new();
+  traces_set_list = xbt_dict_new();
+  trace_connect_list_host_avail = xbt_dict_new();
+  trace_connect_list_power = xbt_dict_new();
+  trace_connect_list_link_avail = xbt_dict_new();
+  trace_connect_list_bandwidth = xbt_dict_new();
+  trace_connect_list_latency = xbt_dict_new();
+  surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
+  surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
+  surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
+  surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_Stag_trace);
+  surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_Etag_trace);
+  surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_Stag_trace_c_connect);
 }
 
-void STag_surfxml_route_element(void)
+static void free_data(void)
 {
-  STag_surfxml_route_element_fun();
+  xbt_dict_free(&trace_connect_list_host_avail);
+  xbt_dict_free(&trace_connect_list_power);
+  xbt_dict_free(&trace_connect_list_link_avail);
+  xbt_dict_free(&trace_connect_list_bandwidth);
+  xbt_dict_free(&trace_connect_list_latency);
+  xbt_dict_free(&traces_set_list);
+  xbt_dict_free(&random_data_list);
+  xbt_dynar_free(&surfxml_bufferstack_stack);
 }
 
-void ETag_surfxml_route_element(void)
+/* Here start parse */
+
+void parse_platform_file(const char *file)
 {
-  ETag_surfxml_route_element_fun();
+  int parse_status;
+  surf_parse_open(file);
+  init_data();
+  parse_status = surf_parse();
+  free_data();
+  surf_parse_close();
+  xbt_assert1(!parse_status, "Parse error in %s", file);
 }
 
-void STag_surfxml_process(void)
+/* Prop tag functions */
+
+void parse_properties(void)
 {
-  STag_surfxml_process_fun();
+  char *value = NULL;
+  if (!current_property_set)
+    current_property_set = xbt_dict_new(); // Maybe, it should be make a error
+  value = xbt_strdup(A_surfxml_prop_value);
+  xbt_dict_set(current_property_set, A_surfxml_prop_id, value, free);
 }
 
-void ETag_surfxml_process(void)
+/* Trace management functions */
+
+static double trace_periodicity = -1.0;
+static char *trace_file = NULL;
+static char *trace_id;
+
+static void parse_Stag_trace(void)
 {
-  ETag_surfxml_process_fun();
+  trace_id = strdup(A_surfxml_trace_id);
+  trace_file = strdup(A_surfxml_trace_file);
+  surf_parse_get_double(&trace_periodicity, A_surfxml_trace_periodicity);
 }
 
-void STag_surfxml_argument(void)
+static void parse_Etag_trace(void)
 {
-  STag_surfxml_argument_fun();
+  tmgr_trace_t trace;
+  if (!trace_file || strcmp(trace_file, "") != 0) {
+    trace = tmgr_trace_new(trace_file);
+  } else {
+    if (strcmp(surfxml_pcdata, "") == 0)
+      trace = NULL;
+    else
+      trace =
+        tmgr_trace_new_from_string(trace_id, surfxml_pcdata,
+                                   trace_periodicity);
+  }
+  xbt_dict_set(traces_set_list, trace_id, (void *) trace, NULL);
 }
 
-void ETag_surfxml_argument(void)
+static void parse_Stag_trace_c_connect(void)
 {
-  ETag_surfxml_argument_fun();
+  xbt_assert2(xbt_dict_get_or_null
+              (traces_set_list, A_surfxml_trace_c_connect_trace),
+              "Cannot connect trace %s to %s: trace unknown",
+              A_surfxml_trace_c_connect_trace,
+              A_surfxml_trace_c_connect_element);
+
+  switch (A_surfxml_trace_c_connect_kind) {
+  case A_surfxml_trace_c_connect_kind_HOST_AVAIL:
+    xbt_dict_set(trace_connect_list_host_avail,
+                 A_surfxml_trace_c_connect_trace,
+                 xbt_strdup(A_surfxml_trace_c_connect_element), free);
+    break;
+  case A_surfxml_trace_c_connect_kind_POWER:
+    xbt_dict_set(trace_connect_list_power, A_surfxml_trace_c_connect_trace,
+                 xbt_strdup(A_surfxml_trace_c_connect_element), free);
+    break;
+  case A_surfxml_trace_c_connect_kind_LINK_AVAIL:
+    xbt_dict_set(trace_connect_list_link_avail,
+                 A_surfxml_trace_c_connect_trace,
+                 xbt_strdup(A_surfxml_trace_c_connect_element), free);
+    break;
+  case A_surfxml_trace_c_connect_kind_BANDWIDTH:
+    xbt_dict_set(trace_connect_list_bandwidth,
+                 A_surfxml_trace_c_connect_trace,
+                 xbt_strdup(A_surfxml_trace_c_connect_element), free);
+    break;
+  case A_surfxml_trace_c_connect_kind_LATENCY:
+    xbt_dict_set(trace_connect_list_latency, A_surfxml_trace_c_connect_trace,
+                 xbt_strdup(A_surfxml_trace_c_connect_element), free);
+    break;
+  default:
+    xbt_die(bprintf("Cannot connect trace %s to %s: kind of trace unknown",
+                    A_surfxml_trace_c_connect_trace,
+                    A_surfxml_trace_c_connect_element));
+  }
 }
 
-void  surf_parse_open(const char *file) {
-  static int warned = 0;
-  if(!file) {
-    if (!warned) {
-      WARN0("Bypassing the XML parser since surf_parse_open received a NULL pointer. If it is not what you want, go fix your code.");
-      warned = 1;
+/* Random tag functions */
+
+double get_cpu_power(const char *power)
+{
+  double power_scale = 0.0;
+  const char *p, *q;
+  char *generator;
+  random_data_t random = NULL;
+  /* randomness is inserted like this: power="$rand(my_random)" */
+  if (((p = strstr(power, "$rand(")) != NULL)
+      && ((q = strstr(power, ")")) != NULL)) {
+    if (p < q) {
+      generator = xbt_malloc(q - (p + 6) + 1);
+      memcpy(generator, p + 6, q - (p + 6));
+      generator[q - (p + 6)] = '\0';
+      xbt_assert1((random =
+                   xbt_dict_get_or_null(random_data_list, generator)),
+                  "Random generator %s undefined", generator);
+      power_scale = random_generate(random);
     }
-    return;
+  } else {
+    surf_parse_get_double(&power_scale, power);
   }
-  if(!surf_input_buffer_stack) 
-    surf_input_buffer_stack = xbt_dynar_new(sizeof(YY_BUFFER_STATE),NULL);
-  if(!surf_file_to_parse_stack) 
-    surf_file_to_parse_stack = xbt_dynar_new(sizeof(FILE*),NULL);
-
-  surf_file_to_parse = surf_fopen(file,"r");
-  xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n",file);
-  surf_input_buffer = surf_parse__create_buffer( surf_file_to_parse, 10);
-  surf_parse__switch_to_buffer(surf_input_buffer);
-  surf_parse_lineno = 1;
+  return power_scale;
 }
 
-void  surf_parse_close(void) {
-  if(surf_input_buffer_stack) 
-    xbt_dynar_free(&surf_input_buffer_stack);
-  if(surf_file_to_parse_stack) 
-    xbt_dynar_free(&surf_file_to_parse_stack);
+double random_min, random_max, random_mean, random_std_deviation, random_generator;
+char *random_id;
 
-  if(surf_file_to_parse) {
-    surf_parse__delete_buffer(surf_input_buffer);
-    fclose(surf_file_to_parse);
-  }
+static void init_randomness(void)
+{
+  random_id = A_surfxml_random_id;
+  surf_parse_get_double(&random_min, A_surfxml_random_min);
+  surf_parse_get_double(&random_max, A_surfxml_random_max);
+  surf_parse_get_double(&random_mean, A_surfxml_random_mean);
+  surf_parse_get_double(&random_std_deviation, A_surfxml_random_std_deviation);
+  random_generator = A_surfxml_random_generator;
 }
 
+static void add_randomness(void)
+{
+  /* If needed aditional properties can be added by using the prop tag */
+  random_data_t random = random_new(random_generator, 0, random_min, random_max, random_mean, random_std_deviation);
+  xbt_dict_set(random_data_list, random_id, (void *) random, &xbt_free_ref); // FIX BY DAVID, add the xbt_free_ref function
+}
 
-static int _surf_parse(void)
+/**
+ * create CPU resource via CPU Model
+ */
+void surf_host_create_resource(char *name, double power_peak,
+        double power_scale,
+        tmgr_trace_t power_trace,
+        e_surf_resource_state_t state_initial,
+        tmgr_trace_t state_trace,
+        xbt_dict_t cpu_properties)
 {
-  return surf_parse_lex();
+    return surf_cpu_model->extension.cpu.
+        create_resource(name,power_peak,power_scale,power_trace,state_initial,state_trace,cpu_properties);
 }
 
-int_f_void_t *surf_parse = _surf_parse;
+/**
+ * create CPU resource via worsktation_ptask_L07 model
+ */
 
-void surf_parse_get_double(double *value,const char *string)
-{ 
-  int ret = 0;
+void surf_wsL07_host_create_resource(char *name, double power_peak,
+        double power_scale,
+        tmgr_trace_t power_trace,
+        e_surf_resource_state_t state_initial,
+        tmgr_trace_t state_trace,
+        xbt_dict_t cpu_properties)
+{
+       surf_workstation_model->extension.workstation.
+               cpu_create_resource(name,power_peak,power_scale,power_trace,state_initial,state_trace,cpu_properties);
+}
+/**
+ * create link resource via network Model
+ */
+void surf_link_create_resource(char *name,
+        double bw_initial,
+        tmgr_trace_t bw_trace,
+        double lat_initial,
+        tmgr_trace_t lat_trace,
+        e_surf_resource_state_t
+        state_initial,
+        tmgr_trace_t state_trace,
+        e_surf_link_sharing_policy_t policy,
+        xbt_dict_t properties)
+{
+    return surf_network_model->extension.network.
+        create_resource(name,bw_initial,bw_trace,lat_initial,lat_trace,
+            state_initial,state_trace,policy,properties);
+}
 
-  ret = sscanf(string, "%lg", value);
-  xbt_assert2((ret==1), "Parse error line %d : %s not a number", surf_parse_lineno,
-             string);
+/**
+ * create link resource via workstation_ptask_L07 model
+ */
+
+void surf_wsL07_link_create_resource(char *name,
+        double bw_initial,
+        tmgr_trace_t bw_trace,
+        double lat_initial,
+        tmgr_trace_t lat_trace,
+        e_surf_resource_state_t
+        state_initial,
+        tmgr_trace_t state_trace,
+        e_surf_link_sharing_policy_t
+        policy, xbt_dict_t properties)
+{
+    return surf_workstation_model->extension.workstation.
+    link_create_resource(name,bw_initial,bw_trace,lat_initial,lat_trace,
+                                               state_initial,state_trace,policy,properties);
 }
 
-void surf_parse_get_trace(tmgr_trace_t *trace, const char *string)
+/**
+ * Route: add route element bypassing the parser :
+ * same job as parse_route_elem
+ */
+
+void surf_add_route_element(char* link_ctn_id)
 {
-  if ((!string) || (strcmp(string, "") == 0))
-    *trace = NULL;
-  else
-    *trace = tmgr_trace_new(string);
+       xbt_die("\"surf_add_route_element\" not support");
+//     char *val;
+//     val = xbt_strdup(link_ctn_id);
+//     xbt_dynar_push(route_link_list,&val);
 }
+/**
+ * set route
+ */
+void surf_route_set_resource(char *source_id,char *destination_id,xbt_dynar_t links_id,int action)
+{
+       xbt_die("\"surf_route_set_resource\" not support");
+       //route_link_list = xbt_dynar_new(sizeof(char *), NULL); // COMMENTED BY DAVID
+       //routing_add_route(source_id,destination_id,links_id,action); // COMMENTED BY DAVID
 
+}
+
+/**
+ * add host to routing host list
+ */
+void surf_route_add_host(char *host_id)
+{
+       xbt_die("\"surf_route_add_host\" not support");
+       //routing_add_host(host_id); // COMMENTED BY DAVID
+}
+
+/**
+ * Add Traces
+ */
+void surf_add_host_traces(void)
+{
+       return surf_cpu_model->extension.cpu.add_traces();
+}
+
+void surf_add_link_traces(void)
+{
+       return surf_network_model->extension.network.add_traces();
+}
+
+void surf_wsL07_add_traces(void)
+{
+       return surf_workstation_model->extension.workstation.add_traces();
+}
+
+/**
+ * set routes
+ */
+void surf_set_routes(void)
+{
+       xbt_die("\"surf_set_routes\" not support");
+       //routing_set_routes(); // COMMENTED BY DAVID
+}