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New XBT module: file
[simgrid.git] / src / surf / surfxml_parse.c
index 18a6f49..e7f1b45 100644 (file)
@@ -1,17 +1,21 @@
-/* Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011. The SimGrid Team.
+/* Copyright (c) 2006-2015. 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 <errno.h>
+#include <math.h>
 #include <stdarg.h> /* va_arg */
 
 #include "xbt/misc.h"
 #include "xbt/log.h"
 #include "xbt/str.h"
+#include "xbt/file.h"
 #include "xbt/dict.h"
 #include "surf/surfxml_parse.h"
 #include "surf/surf_private.h"
+#include "surf/random_mgr.h"
 #include "simgrid/sg_config.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_parse, surf,
@@ -24,16 +28,19 @@ int ETag_surfxml_include_state(void);
 char* surf_parsed_filename = NULL; // to locate parse error messages
 
 xbt_dynar_t parsed_link_list = NULL;   /* temporary store of current list link of a route */
-extern AS_t current_routing;
 /*
  * Helping functions
  */
 void surf_parse_error(const char *fmt, ...) {
   va_list va;
   va_start(va,fmt);
+  int lineno = surf_parse_lineno;
   char *msg = bvprintf(fmt,va);
   va_end(va);
-  xbt_die("Parse error at %s:%d: %s", surf_parsed_filename, surf_parse_lineno, msg);
+  cleanup();
+  XBT_ERROR("Parse error at %s:%d: %s", surf_parsed_filename, lineno, msg);
+  surf_exit();
+  xbt_die("Exiting now");
 }
 void surf_parse_warn(const char *fmt, ...) {
   va_list va;
@@ -49,6 +56,7 @@ double surf_parse_get_double(const char *string) {
   int ret = sscanf(string, "%lg", &res);
   if (ret != 1)
     surf_parse_error("%s is not a double", string);
+  //printf("Parsed double [%g] %s\n", res, string);
   return res;
 }
 
@@ -60,6 +68,132 @@ int surf_parse_get_int(const char *string) {
   return res;
 }
 
+struct unit_scale {
+  const char *unit;
+  double scale;
+};
+
+/* Note: field `unit' for the last element of parametre `units' should be
+ * NULL. */
+static double surf_parse_get_value_with_unit(const char *string,
+                                             const struct unit_scale *units)
+{
+  char* ptr;
+  double res;
+  int i;
+  errno = 0;
+  res   = strtod(string, &ptr);
+  if (errno == ERANGE)
+    surf_parse_error("value out of range: %s", string);
+  if (ptr == string)
+    surf_parse_error("cannot parse number: %s", string);
+  for (i = 0; units[i].unit != NULL && strcmp(ptr, units[i].unit) != 0; i++) {
+  }
+  if (units[i].unit != NULL)
+    res *= units[i].scale;
+  else
+    surf_parse_error("unknown unit: %s", ptr);
+  return res;
+}
+
+double surf_parse_get_time(const char *string)
+{
+  const struct unit_scale units[] = {
+    { "w",  7 * 24 * 60 * 60 },
+    { "d",  24 * 60 * 60 },
+    { "h",  60 * 60 },
+    { "m",  60 },
+    { "s",  1.0 },
+    { "",   1.0 },              /* default unit is seconds */
+    { "ms", 1e-3 },
+    { "us", 1e-6 },
+    { "ns", 1e-9 },
+    { "ps", 1e-12 },
+    { NULL, 0 }
+  };
+  return surf_parse_get_value_with_unit(string, units);
+}
+
+double surf_parse_get_size(const char *string)
+{
+  const struct unit_scale units[] = {
+    { "TiB", pow(1024, 4) },
+    { "GiB", pow(1024, 3) },
+    { "MiB", pow(1024, 2) },
+    { "KiB", 1024 },
+    { "TB",  1e12 },
+    { "GB",  1e9 },
+    { "MB",  1e6 },
+    { "kB",  1e3 },
+    { "B",   1.0 },
+    { "",      1.0 },           /* default unit is bytes*/
+    { "Tib", 0.125 * pow(1024, 4) },
+    { "Gib", 0.125 * pow(1024, 3) },
+    { "Mib", 0.125 * pow(1024, 2) },
+    { "Kib", 0.125 * 1024 },
+    { "Tb",  0.125 * 1e12 },
+    { "Gb",  0.125 * 1e9 },
+    { "Mb",  0.125 * 1e6 },
+    { "kb",  0.125 * 1e3 },
+    { "b",   0.125 },
+    { NULL,    0 }
+  };
+  return surf_parse_get_value_with_unit(string, units);
+}
+
+double surf_parse_get_bandwidth(const char *string)
+{
+  const struct unit_scale units[] = {
+    { "TiBps", pow(1024, 4) },
+    { "GiBps", pow(1024, 3) },
+    { "MiBps", pow(1024, 2) },
+    { "KiBps", 1024 },
+    { "TBps",  1e12 },
+    { "GBps",  1e9 },
+    { "MBps",  1e6 },
+    { "kBps",  1e3 },
+    { "Bps",   1.0 },
+    { "",      1.0 },           /* default unit is bytes per second */
+    { "Tibps", 0.125 * pow(1024, 4) },
+    { "Gibps", 0.125 * pow(1024, 3) },
+    { "Mibps", 0.125 * pow(1024, 2) },
+    { "Kibps", 0.125 * 1024 },
+    { "Tbps",  0.125 * 1e12 },
+    { "Gbps",  0.125 * 1e9 },
+    { "Mbps",  0.125 * 1e6 },
+    { "kbps",  0.125 * 1e3 },
+    { "bps",   0.125 },
+    { NULL,    0 }
+  };
+  return surf_parse_get_value_with_unit(string, units);
+}
+
+double surf_parse_get_power(const char *string)
+{
+  const struct unit_scale units[] = {
+    { "yottaflops", 1e24 },
+    { "Yf",         1e24 },
+    { "zettaflops", 1e21 },
+    { "Zf",         1e21 },
+    { "exaflops",   1e18 },
+    { "Ef",         1e18 },
+    { "petaflops",  1e15 },
+    { "Pf",         1e15 },
+    { "teraflops",  1e12 },
+    { "Tf",         1e12 },
+    { "gigaflops",  1e9 },
+    { "Gf",         1e9 },
+    { "megaflops",  1e6 },
+    { "Mf",         1e6 },
+    { "kiloflops",  1e3 },
+    { "kf",         1e3 },
+    { "flops",      1.0 },
+    { "f",          1.0 },
+    { "",           1.0 },      /* default unit is flops */
+    { NULL,         0 }
+  };
+  return surf_parse_get_value_with_unit(string, units);
+}
 
 /*
  * All the callback lists that can be overridden anywhere.
@@ -70,6 +204,7 @@ int surf_parse_get_int(const char *string) {
 
 /* The default current property receiver. Setup in the corresponding opening callbacks. */
 xbt_dict_t current_property_set = NULL;
+xbt_dict_t current_model_property_set = NULL;
 xbt_dict_t as_current_property_set = NULL;
 int AS_TAG = 0;
 char* as_name_tab[1024];
@@ -83,9 +218,6 @@ xbt_dict_t random_data_list = NULL;
 YY_BUFFER_STATE surf_input_buffer;
 FILE *surf_file_to_parse = NULL;
 
-static void init_randomness(void);
-static void add_randomness(void);
-
 /*
  * Stuff relative to storage
  */
@@ -97,13 +229,15 @@ void STag_surfxml_storage(void)
 }
 void ETag_surfxml_storage(void)
 {
-  s_sg_platf_storage_cbarg_t storage;
+  s_sg_platf_storage_cbarg_t storage = SG_PLATF_STORAGE_INITIALIZER;
   memset(&storage,0,sizeof(storage));
 
-  storage.id = A_surfxml_storage_id;
-  storage.type_id = A_surfxml_storage_typeId;
-  storage.content = A_surfxml_storage_content;
-  storage.properties = current_property_set;
+  storage.id           = A_surfxml_storage_id;
+  storage.type_id      = A_surfxml_storage_typeId;
+  storage.content      = A_surfxml_storage_content;
+  storage.content_type = A_surfxml_storage_content___type;
+  storage.properties   = current_property_set;
+  storage.attach       = A_surfxml_storage_attach;
   sg_platf_new_storage(&storage);
   current_property_set = NULL;
 }
@@ -112,19 +246,23 @@ void STag_surfxml_storage___type(void)
   AS_TAG = 0;
   XBT_DEBUG("STag_surfxml_storage___type");
   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
+  xbt_assert(current_model_property_set == NULL, "Someone forgot to reset the model property set to NULL in its closing tag (or XML malformed)");
 }
 void ETag_surfxml_storage___type(void)
 {
-  s_sg_platf_storage_type_cbarg_t storage_type;
+  s_sg_platf_storage_type_cbarg_t storage_type = SG_PLATF_STORAGE_TYPE_INITIALIZER;
   memset(&storage_type,0,sizeof(storage_type));
 
-  storage_type.content = A_surfxml_storage___type_content;
-  storage_type.id = A_surfxml_storage___type_id;
-  storage_type.model = A_surfxml_storage___type_model;
-  storage_type.properties = current_property_set;
-  storage_type.size = surf_parse_get_int(A_surfxml_storage___type_size);
+  storage_type.content          = A_surfxml_storage___type_content;
+  storage_type.content_type     = A_surfxml_storage___type_content___type;
+  storage_type.id               = A_surfxml_storage___type_id;
+  storage_type.model            = A_surfxml_storage___type_model;
+  storage_type.properties       = current_property_set;
+  storage_type.model_properties = current_model_property_set;
+  storage_type.size             = surf_parse_get_size(A_surfxml_storage___type_size);
   sg_platf_new_storage_type(&storage_type);
-  current_property_set = NULL;
+  current_property_set       = NULL;
+  current_model_property_set = NULL;
 }
 void STag_surfxml_mstorage(void)
 {
@@ -132,10 +270,10 @@ void STag_surfxml_mstorage(void)
 }
 void ETag_surfxml_mstorage(void)
 {
-  s_sg_platf_mstorage_cbarg_t mstorage;
+  s_sg_platf_mstorage_cbarg_t mstorage = SG_PLATF_MSTORAGE_INITIALIZER;
   memset(&mstorage,0,sizeof(mstorage));
 
-  mstorage.name = A_surfxml_mstorage_name;
+  mstorage.name    = A_surfxml_mstorage_name;
   mstorage.type_id = A_surfxml_mstorage_typeId;
   sg_platf_new_mstorage(&mstorage);
 }
@@ -145,23 +283,24 @@ void STag_surfxml_mount(void)
 }
 void ETag_surfxml_mount(void)
 {
-  s_sg_platf_mount_cbarg_t mount;
+  s_sg_platf_mount_cbarg_t mount = SG_PLATF_MOUNT_INITIALIZER;
   memset(&mount,0,sizeof(mount));
 
-  mount.name = A_surfxml_mount_name;
-  mount.id = A_surfxml_mount_id;
+  mount.name      = A_surfxml_mount_name;
+  mount.storageId = A_surfxml_mount_storageId;
   sg_platf_new_mount(&mount);
 }
 
 /*
  * Stuff relative to the <include> tag
  */
-static xbt_dynar_t surf_input_buffer_stack = NULL;
-static xbt_dynar_t surf_file_to_parse_stack = NULL;
+static xbt_dynar_t surf_input_buffer_stack    = NULL;
+static xbt_dynar_t surf_file_to_parse_stack   = NULL;
 static xbt_dynar_t surf_parsed_filename_stack = NULL;
 
 void STag_surfxml_include(void)
 {
+  parse_after_config();
   XBT_DEBUG("STag_surfxml_include '%s'",A_surfxml_include_file);
   xbt_dynar_push(surf_parsed_filename_stack,&surf_parsed_filename); // save old file name
   surf_parsed_filename = xbt_strdup(A_surfxml_include_file);
@@ -185,7 +324,7 @@ void ETag_surfxml_include(void) {
 
 /** @brief When reaching EOF, check whether we are in an include tag, and behave accordingly if yes
  *
- * This function is called automatically by sedding the parser in buildtools/Cmake/MaintainerMode.cmake
+ * This function is called automatically by sedding the parser in tools/cmake/MaintainerMode.cmake
  * Every FAIL on "Premature EOF" is preceded by a call to this function, which role is to restore the
  * previous buffer if we reached the EOF /of an include file/. Its return code is used to avoid the
  * error message in that case.
@@ -276,30 +415,61 @@ void STag_surfxml_prop(void)
       as_current_property_set = xbt_dict_new_homogeneous(xbt_free_f); // Maybe, it should raise an error
       as_name_tab[as_prop_nb] = xbt_strdup(A_surfxml_AS_id);
       as_dict_tab[as_prop_nb] = as_current_property_set;
-      XBT_DEBUG("PUSH prop %p for AS '%s'",as_dict_tab[as_prop_nb],as_name_tab[as_prop_nb]);
+      XBT_DEBUG("PUSH prop set %p for AS '%s'",as_dict_tab[as_prop_nb],as_name_tab[as_prop_nb]);
       as_prop_nb++;
     }
+    XBT_DEBUG("add prop %s=%s into current AS property set", A_surfxml_prop_id, A_surfxml_prop_value);
     xbt_dict_set(as_current_property_set, A_surfxml_prop_id, xbt_strdup(A_surfxml_prop_value), NULL);
   }
   else{
     if (!current_property_set)
-      current_property_set = xbt_dict_new_homogeneous(xbt_free_f); // Maybe, it should raise an error
-    xbt_dict_set(current_property_set, A_surfxml_prop_id, xbt_strdup(A_surfxml_prop_value), NULL);
+       current_property_set = xbt_dict_new(); // Maybe, it should raise an error
+    xbt_dict_set(current_property_set, A_surfxml_prop_id, xbt_strdup(A_surfxml_prop_value), xbt_free_f);
+    XBT_DEBUG("add prop %s=%s into current property set", A_surfxml_prop_id, A_surfxml_prop_value);
   }
 }
 
 void ETag_surfxml_host(void)    {
-  s_sg_platf_host_cbarg_t host;
+  s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
+  char* buf;
   memset(&host,0,sizeof(host));
 
+
   host.properties = current_property_set;
 
   host.id = A_surfxml_host_id;
-  host.power_peak = get_cpu_power(A_surfxml_host_power);
+
+  buf = A_surfxml_host_power;
+  XBT_DEBUG("Buffer: %s", buf);
+  host.power_peak = xbt_dynar_new(sizeof(double), NULL);
+  if (strchr(buf, ',') == NULL){
+         double power_value = get_cpu_power(A_surfxml_host_power);
+         xbt_dynar_push_as(host.power_peak,double, power_value);
+  }
+  else {
+         xbt_dynar_t pstate_list = xbt_str_split(buf, ",");
+         int i;
+         for (i = 0; i < xbt_dynar_length(pstate_list); i++) {
+                 double power_value;
+                 char* power_value_str;
+
+                 xbt_dynar_get_cpy(pstate_list, i, &power_value_str);
+                 xbt_str_trim(power_value_str, NULL);
+                 power_value = get_cpu_power(power_value_str);
+                 xbt_dynar_push_as(host.power_peak, double, power_value);
+                 XBT_DEBUG("Power value: %f", power_value);
+         }
+         xbt_dynar_free(&pstate_list);
+  }
+
+  XBT_DEBUG("pstate: %s", A_surfxml_host_pstate);
+  //host.power_peak = get_cpu_power(A_surfxml_host_power);
   host.power_scale = surf_parse_get_double( A_surfxml_host_availability);
   host.core_amount = surf_parse_get_int(A_surfxml_host_core);
   host.power_trace = tmgr_trace_new_from_file(A_surfxml_host_availability___file);
   host.state_trace = tmgr_trace_new_from_file(A_surfxml_host_state___file);
+  host.pstate      = surf_parse_get_int(A_surfxml_host_pstate);
+
   xbt_assert((A_surfxml_host_state == A_surfxml_host_state_ON) ||
         (A_surfxml_host_state == A_surfxml_host_state_OFF), "Invalid state");
   if (A_surfxml_host_state == A_surfxml_host_state_ON)
@@ -314,40 +484,65 @@ void ETag_surfxml_host(void)    {
 
 void STag_surfxml_host___link(void){
   XBT_DEBUG("Create a Host_link for %s",A_surfxml_host___link_id);
-  s_sg_platf_host_link_cbarg_t host_link;
+  s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
   memset(&host_link,0,sizeof(host_link));
 
-  host_link.id = A_surfxml_host___link_id;
-  host_link.link_up = A_surfxml_host___link_up;
+  host_link.id        = A_surfxml_host___link_id;
+  host_link.link_up   = A_surfxml_host___link_up;
   host_link.link_down = A_surfxml_host___link_down;
   sg_platf_new_host_link(&host_link);
 }
 
 void STag_surfxml_router(void){
-  s_sg_platf_router_cbarg_t router;
+  s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
   memset(&router, 0, sizeof(router));
 
-  router.id = A_surfxml_router_id;
+  router.id    = A_surfxml_router_id;
   router.coord = A_surfxml_router_coordinates;
 
   sg_platf_new_router(&router);
 }
 
-void STag_surfxml_cluster(void){
-  s_sg_platf_cluster_cbarg_t cluster;
+void ETag_surfxml_cluster(void){
+  s_sg_platf_cluster_cbarg_t cluster = SG_PLATF_CLUSTER_INITIALIZER;
   memset(&cluster,0,sizeof(cluster));
-  cluster.id = A_surfxml_cluster_id;
-  cluster.prefix = A_surfxml_cluster_prefix;
-  cluster.suffix = A_surfxml_cluster_suffix;
-  cluster.radical = A_surfxml_cluster_radical;
-  cluster.power= surf_parse_get_double(A_surfxml_cluster_power);
+  cluster.properties = as_current_property_set;
+
+  cluster.id          = A_surfxml_cluster_id;
+  cluster.prefix      = A_surfxml_cluster_prefix;
+  cluster.suffix      = A_surfxml_cluster_suffix;
+  cluster.radical     = A_surfxml_cluster_radical;
+  cluster.power       = surf_parse_get_power(A_surfxml_cluster_power);
   cluster.core_amount = surf_parse_get_int(A_surfxml_cluster_core);
-  cluster.bw =   surf_parse_get_double(A_surfxml_cluster_bw);
-  cluster.lat =  surf_parse_get_double(A_surfxml_cluster_lat);
+  cluster.bw          = surf_parse_get_bandwidth(A_surfxml_cluster_bw);
+  cluster.lat         = surf_parse_get_time(A_surfxml_cluster_lat);
   if(strcmp(A_surfxml_cluster_bb___bw,""))
-    cluster.bb_bw = surf_parse_get_double(A_surfxml_cluster_bb___bw);
+    cluster.bb_bw = surf_parse_get_bandwidth(A_surfxml_cluster_bb___bw);
   if(strcmp(A_surfxml_cluster_bb___lat,""))
-    cluster.bb_lat = surf_parse_get_double(A_surfxml_cluster_bb___lat);
+    cluster.bb_lat = surf_parse_get_time(A_surfxml_cluster_bb___lat);
+  if(strcmp(A_surfxml_cluster_limiter___link,""))
+    cluster.limiter_link = surf_parse_get_double(A_surfxml_cluster_limiter___link);
+  if(strcmp(A_surfxml_cluster_loopback___bw,""))
+    cluster.loopback_bw = surf_parse_get_bandwidth(A_surfxml_cluster_loopback___bw);
+  if(strcmp(A_surfxml_cluster_loopback___lat,""))
+    cluster.loopback_lat = surf_parse_get_time(A_surfxml_cluster_loopback___lat);
+
+  switch(AX_surfxml_cluster_topology){
+  case A_surfxml_cluster_topology_FLAT:
+    cluster.topology= SURF_CLUSTER_FLAT ;
+    break;
+  case A_surfxml_cluster_topology_TORUS:
+    cluster.topology= SURF_CLUSTER_TORUS ;
+    break;
+  case A_surfxml_cluster_topology_FAT___TREE:
+    cluster.topology = SURF_CLUSTER_FAT_TREE;
+    break;
+  default:
+    surf_parse_error("Invalid cluster topology for cluster %s",
+                     cluster.id);
+    break;
+  }
+  cluster.topo_parameters = A_surfxml_cluster_topo___parameters;
   cluster.router_id = A_surfxml_cluster_router___id;
 
   switch (AX_surfxml_cluster_sharing___policy) {
@@ -381,33 +576,42 @@ void STag_surfxml_cluster(void){
   cluster.availability_trace = A_surfxml_cluster_availability___file;
   cluster.state_trace = A_surfxml_cluster_state___file;
   sg_platf_new_cluster(&cluster);
+
+  current_property_set = NULL;
+}
+
+void STag_surfxml_cluster(void){
+  parse_after_config();
+  xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 }
 
 void STag_surfxml_cabinet(void){
-  s_sg_platf_cabinet_cbarg_t cabinet;
+  parse_after_config();
+  s_sg_platf_cabinet_cbarg_t cabinet = SG_PLATF_CABINET_INITIALIZER;
   memset(&cabinet,0,sizeof(cabinet));
-  cabinet.id = A_surfxml_cabinet_id;
-  cabinet.prefix = A_surfxml_cabinet_prefix;
-  cabinet.suffix = A_surfxml_cabinet_suffix;
-  cabinet.power = surf_parse_get_double(A_surfxml_cabinet_power);
-  cabinet.bw = surf_parse_get_double(A_surfxml_cabinet_bw);
-  cabinet.lat = surf_parse_get_double(A_surfxml_cabinet_lat);
+  cabinet.id      = A_surfxml_cabinet_id;
+  cabinet.prefix  = A_surfxml_cabinet_prefix;
+  cabinet.suffix  = A_surfxml_cabinet_suffix;
+  cabinet.power   = surf_parse_get_power(A_surfxml_cabinet_power);
+  cabinet.bw      = surf_parse_get_bandwidth(A_surfxml_cabinet_bw);
+  cabinet.lat     = surf_parse_get_time(A_surfxml_cabinet_lat);
   cabinet.radical = A_surfxml_cabinet_radical;
 
   sg_platf_new_cabinet(&cabinet);
 }
 
 void STag_surfxml_peer(void){
-  s_sg_platf_peer_cbarg_t peer;
+  parse_after_config();
+  s_sg_platf_peer_cbarg_t peer = SG_PLATF_PEER_INITIALIZER;
   memset(&peer,0,sizeof(peer));
-  peer.id = A_surfxml_peer_id;
-  peer.power = surf_parse_get_double(A_surfxml_peer_power);
-  peer.bw_in = surf_parse_get_double(A_surfxml_peer_bw___in);
-  peer.bw_out = surf_parse_get_double(A_surfxml_peer_bw___out);
-  peer.lat = surf_parse_get_double(A_surfxml_peer_lat);
-  peer.coord = A_surfxml_peer_coordinates;
+  peer.id                 = A_surfxml_peer_id;
+  peer.power              = surf_parse_get_power(A_surfxml_peer_power);
+  peer.bw_in              = surf_parse_get_bandwidth(A_surfxml_peer_bw___in);
+  peer.bw_out             = surf_parse_get_bandwidth(A_surfxml_peer_bw___out);
+  peer.lat                = surf_parse_get_time(A_surfxml_peer_lat);
+  peer.coord              = A_surfxml_peer_coordinates;
   peer.availability_trace = tmgr_trace_new_from_file(A_surfxml_peer_availability___file);
-  peer.state_trace = tmgr_trace_new_from_file(A_surfxml_peer_state___file);
+  peer.state_trace        = tmgr_trace_new_from_file(A_surfxml_peer_state___file);
 
   sg_platf_new_peer(&peer);
 }
@@ -418,16 +622,18 @@ void STag_surfxml_link(void){
 }
 
 void ETag_surfxml_link(void){
-  s_sg_platf_link_cbarg_t link;
+  s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
   memset(&link,0,sizeof(link));
 
   link.properties = current_property_set;
 
-  link.id = A_surfxml_link_id;
-  link.bandwidth = surf_parse_get_double(A_surfxml_link_bandwidth);
-  link.bandwidth_trace = tmgr_trace_new_from_file(A_surfxml_link_bandwidth___file);
-  link.latency = surf_parse_get_double(A_surfxml_link_latency);
-  link.latency_trace = tmgr_trace_new_from_file(A_surfxml_link_latency___file);
+  link.id                                            = A_surfxml_link_id;
+  link.bandwidth                                     = surf_parse_get_bandwidth(A_surfxml_link_bandwidth);
+  //printf("Link bandwidth [%g]\n", link.bandwidth);
+  link.bandwidth_trace                               = tmgr_trace_new_from_file(A_surfxml_link_bandwidth___file);
+  link.latency                                       = surf_parse_get_time(A_surfxml_link_latency);
+  //printf("Link latency [%g]\n", link.latency);
+  link.latency_trace                                 = tmgr_trace_new_from_file(A_surfxml_link_latency___file);
 
   switch (A_surfxml_link_state) {
   case A_surfxml_link_state_ON:
@@ -484,19 +690,19 @@ void STag_surfxml_link___ctn(void){
 }
 
 void ETag_surfxml_backbone(void){
-  s_sg_platf_link_cbarg_t link;
+  s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
   memset(&link,0,sizeof(link));
 
   link.properties = NULL;
 
   link.id = A_surfxml_backbone_id;
-  link.bandwidth = surf_parse_get_double(A_surfxml_backbone_bandwidth);
-  link.latency = surf_parse_get_double(A_surfxml_backbone_latency);
+  link.bandwidth = surf_parse_get_bandwidth(A_surfxml_backbone_bandwidth);
+  link.latency = surf_parse_get_time(A_surfxml_backbone_latency);
   link.state = SURF_RESOURCE_ON;
   link.policy = SURF_LINK_SHARED;
 
   sg_platf_new_link(&link);
-  routing_cluster_add_backbone(xbt_lib_get_or_null(link_lib, A_surfxml_backbone_id, SURF_LINK_LEVEL));
+  routing_cluster_add_backbone(sg_link_by_name(A_surfxml_backbone_id));
 }
 
 void STag_surfxml_route(void){
@@ -537,13 +743,13 @@ void STag_surfxml_bypassASroute(void){
 }
 
 void ETag_surfxml_route(void){
-  s_sg_platf_route_cbarg_t route;
+  s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
   memset(&route,0,sizeof(route));
 
-  route.src = A_surfxml_route_src;
-  route.dst = A_surfxml_route_dst;
-  route.gw_src = NULL;
-  route.gw_dst = NULL;
+  route.src       = A_surfxml_route_src;
+  route.dst       = A_surfxml_route_dst;
+  route.gw_src    = NULL;
+  route.gw_dst    = NULL;
   route.link_list = parsed_link_list;
 
   switch (A_surfxml_route_symmetrical) {
@@ -561,23 +767,21 @@ void ETag_surfxml_route(void){
 }
 
 void ETag_surfxml_ASroute(void){
-  s_sg_platf_route_cbarg_t ASroute;
+  s_sg_platf_route_cbarg_t ASroute = SG_PLATF_ROUTE_INITIALIZER;
   memset(&ASroute,0,sizeof(ASroute));
 
   ASroute.src = A_surfxml_ASroute_src;
   ASroute.dst = A_surfxml_ASroute_dst;
 
-  if (!strcmp(current_routing->model_desc->name,"RuleBased")) {
-    // DIRTY PERL HACK AHEAD: with the rulebased routing, the {src,dst}_gateway fields
-    // store the provided name instead of the entity directly (model_rulebased_parse_ASroute knows)
-    //
-    // This is because the user will provide something like "^AS_(.*)$" instead of the proper name of a given entity
-    ASroute.gw_src = (sg_routing_edge_t) A_surfxml_ASroute_gw___src;
-    ASroute.gw_dst = (sg_routing_edge_t) A_surfxml_ASroute_gw___dst;
-  } else {
-    ASroute.gw_src = sg_routing_edge_by_name_or_null(A_surfxml_ASroute_gw___src);
-    ASroute.gw_dst = sg_routing_edge_by_name_or_null(A_surfxml_ASroute_gw___dst);
-  }
+  ASroute.gw_src = sg_routing_edge_by_name_or_null(A_surfxml_ASroute_gw___src);
+  ASroute.gw_dst = sg_routing_edge_by_name_or_null(A_surfxml_ASroute_gw___dst);
+
+  if (A_surfxml_ASroute_gw___src && !ASroute.gw_src)
+    surf_parse_error("gw_src=\"%s\" not found for ASroute from \"%s\" to \"%s\"",
+                     A_surfxml_ASroute_gw___src, ASroute.src, ASroute.dst);
+  if (A_surfxml_ASroute_gw___dst && !ASroute.gw_dst)
+    surf_parse_error("gw_dst=\"%s\" not found for ASroute from \"%s\" to \"%s\"",
+                     A_surfxml_ASroute_gw___dst, ASroute.src, ASroute.dst);
 
   ASroute.link_list = parsed_link_list;
 
@@ -596,7 +800,7 @@ void ETag_surfxml_ASroute(void){
 }
 
 void ETag_surfxml_bypassRoute(void){
-  s_sg_platf_route_cbarg_t route;
+  s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
   memset(&route,0,sizeof(route));
 
   route.src = A_surfxml_bypassRoute_src;
@@ -611,32 +815,23 @@ void ETag_surfxml_bypassRoute(void){
 }
 
 void ETag_surfxml_bypassASroute(void){
-  s_sg_platf_route_cbarg_t ASroute;
+  s_sg_platf_route_cbarg_t ASroute = SG_PLATF_ROUTE_INITIALIZER;
   memset(&ASroute,0,sizeof(ASroute));
 
-  ASroute.src = A_surfxml_bypassASroute_src;
-  ASroute.dst = A_surfxml_bypassASroute_dst;
-  ASroute.link_list = parsed_link_list;
+  ASroute.src         = A_surfxml_bypassASroute_src;
+  ASroute.dst         = A_surfxml_bypassASroute_dst;
+  ASroute.link_list   = parsed_link_list;
   ASroute.symmetrical = FALSE;
 
-  if (!strcmp(current_routing->model_desc->name,"RuleBased")) {
-    // DIRTY PERL HACK AHEAD: with the rulebased routing, the {src,dst}_gateway fields
-    // store the provided name instead of the entity directly (model_rulebased_parse_ASroute knows)
-    //
-    // This is because the user will provide something like "^AS_(.*)$" instead of the proper name of a given entity
-    ASroute.gw_src = (sg_routing_edge_t) A_surfxml_bypassASroute_gw___src;
-    ASroute.gw_dst = (sg_routing_edge_t) A_surfxml_bypassASroute_gw___dst;
-  } else {
-    ASroute.gw_src = sg_routing_edge_by_name_or_null(A_surfxml_bypassASroute_gw___src);
-    ASroute.gw_dst = sg_routing_edge_by_name_or_null(A_surfxml_bypassASroute_gw___dst);
-  }
+  ASroute.gw_src = sg_routing_edge_by_name_or_null(A_surfxml_bypassASroute_gw___src);
+  ASroute.gw_dst = sg_routing_edge_by_name_or_null(A_surfxml_bypassASroute_gw___dst);
 
   sg_platf_new_bypassASroute(&ASroute);
   parsed_link_list = NULL;
 }
 
 void ETag_surfxml_trace(void){
-  s_sg_platf_trace_cbarg_t trace;
+  s_sg_platf_trace_cbarg_t trace = SG_PLATF_TRACE_INITIALIZER;
   memset(&trace,0,sizeof(trace));
 
   trace.id = A_surfxml_trace_id;
@@ -648,7 +843,8 @@ void ETag_surfxml_trace(void){
 }
 
 void STag_surfxml_trace___connect(void){
-  s_sg_platf_trace_connect_cbarg_t trace_connect;
+  parse_after_config();
+  s_sg_platf_trace_connect_cbarg_t trace_connect = SG_PLATF_TRACE_CONNECT_INITIALIZER;
   memset(&trace_connect,0,sizeof(trace_connect));
 
   trace_connect.element = A_surfxml_trace___connect_element;
@@ -676,10 +872,11 @@ void STag_surfxml_trace___connect(void){
 }
 
 void STag_surfxml_AS(void){
-  AS_TAG = 1;
+  parse_after_config();
+  AS_TAG                   = 1;
   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
-  AS.id = A_surfxml_AS_id;
-  AS.routing = (int)A_surfxml_AS_routing;
+  AS.id                    = A_surfxml_AS_id;
+  AS.routing               = (int)A_surfxml_AS_routing;
 
   as_current_property_set = NULL;
 
@@ -687,7 +884,7 @@ void STag_surfxml_AS(void){
 }
 void ETag_surfxml_AS(void){
   if(as_prop_nb){
-    char *name = as_name_tab[as_prop_nb-1];
+    char *name      = as_name_tab[as_prop_nb-1];
     xbt_dict_t dict = as_dict_tab[as_prop_nb-1];
     as_prop_nb--;
     XBT_DEBUG("POP prop %p for AS '%s'",dict,name);
@@ -700,13 +897,11 @@ void ETag_surfxml_AS(void){
   sg_platf_new_AS_end();
 }
 
-extern int _sg_init_status; /* FIXME: find a proper way to export this at some point */
-
 void STag_surfxml_config(void){
   AS_TAG = 0;
   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
-  if (_sg_init_status == 2) {
+  if (_sg_cfg_init_status == 2) {
     surf_parse_error("All <config> tags must be given before any platform elements (such as <AS>, <host>, <cluster>, <link>, etc).");
   }
 }
@@ -724,6 +919,7 @@ void ETag_surfxml_config(void){
     free(cfg);
   }
   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
+
   xbt_dict_free(&current_property_set);
   current_property_set = NULL;
 }
@@ -732,24 +928,24 @@ static int argc;
 static char **argv;
 
 void STag_surfxml_process(void){
-  AS_TAG = 0;
-  argc = 1;
-  argv = xbt_new(char *, 1);
+  AS_TAG  = 0;
+  argc    = 1;
+  argv    = xbt_new(char *, 1);
   argv[0] = xbt_strdup(A_surfxml_process_function);
   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 }
 
 void ETag_surfxml_process(void){
-  s_sg_platf_process_cbarg_t process;
+  s_sg_platf_process_cbarg_t process = SG_PLATF_PROCESS_INITIALIZER;
   memset(&process,0,sizeof(process));
 
-  process.argc = argc;
-  process.argv = (const char **)argv;
+  process.argc       = argc;
+  process.argv       = (const char **)argv;
   process.properties = current_property_set;
-  process.host = A_surfxml_process_host;
-  process.function = A_surfxml_process_function;
+  process.host       = A_surfxml_process_host;
+  process.function   = A_surfxml_process_function;
   process.start_time = surf_parse_get_double(A_surfxml_process_start___time);
-  process.kill_time = surf_parse_get_double(A_surfxml_process_kill___time);
+  process.kill_time  = surf_parse_get_double(A_surfxml_process_kill___time);
 
   switch (A_surfxml_process_on___failure) {
   case AU_surfxml_process_on___failure:
@@ -771,6 +967,13 @@ void STag_surfxml_argument(void){
   argv[(argc) - 1] = xbt_strdup(A_surfxml_argument_value);
 }
 
+void STag_surfxml_model___prop(void){
+  if (!current_model_property_set)
+    current_model_property_set = xbt_dict_new_homogeneous(xbt_free_f);
+
+  xbt_dict_set(current_model_property_set, A_surfxml_model___prop_id, xbt_strdup(A_surfxml_model___prop_value), NULL);
+}
+
 /* ***************************************** */
 /* TUTORIAL: New TAG                         */
 void STag_surfxml_gpu(void)
@@ -779,7 +982,7 @@ void STag_surfxml_gpu(void)
 }
 void ETag_surfxml_gpu(void)
 {
-  s_sg_platf_gpu_cbarg_t gpu;
+  s_sg_platf_gpu_cbarg_t gpu = SG_PLATF_GPU_INITIALIZER;
   memset(&gpu,0,sizeof(gpu));
 
   gpu.name = A_surfxml_gpu_name;
@@ -793,15 +996,15 @@ void ETag_surfxml_prop(void){}
 void STag_surfxml_random(void){}
 void ETag_surfxml_random(void){}
 void ETag_surfxml_trace___connect(void){}
-void STag_surfxml_trace(void){}
+void STag_surfxml_trace(void){parse_after_config();}
 void ETag_surfxml_router(void){}
 void ETag_surfxml_host___link(void){}
-void ETag_surfxml_cluster(void){}
 void ETag_surfxml_cabinet(void){}
 void ETag_surfxml_peer(void){}
 void STag_surfxml_backbone(void){}
 void ETag_surfxml_link___ctn(void){}
 void ETag_surfxml_argument(void){}
+void ETag_surfxml_model___prop(void){}
 
 /* Open and Close parse file */
 
@@ -825,7 +1028,9 @@ void surf_parse_open(const char *file)
 
   if (!surf_parsed_filename_stack)
     surf_parsed_filename_stack = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
-  surf_parsed_filename = xbt_strdup(file);
+
+  char *dir = xbt_dirname(file);
+  xbt_dynar_push(surf_path, &dir);
 
   surf_file_to_parse = surf_fopen(file, "r");
   xbt_assert((surf_file_to_parse), "Unable to open \"%s\"\n", file);
@@ -839,6 +1044,11 @@ void surf_parse_close(void)
   xbt_dynar_free(&surf_input_buffer_stack);
   xbt_dynar_free(&surf_file_to_parse_stack);
   xbt_dynar_free(&surf_parsed_filename_stack);
+  if (surf_parsed_filename) {
+    char *dir = NULL;
+    xbt_dynar_pop(surf_path, dir);
+    free(dir);
+  }
 
   free(surf_parsed_filename);
   surf_parsed_filename = NULL;
@@ -864,8 +1074,6 @@ int_f_void_t surf_parse = _surf_parse;
  * With XML parser
  */
 
-/* Random tag functions */
-
 double get_cpu_power(const char *power)
 {
   double power_scale = 0.0;
@@ -884,7 +1092,7 @@ double get_cpu_power(const char *power)
       power_scale = random_generate(random);
     }
   } else {
-    power_scale = surf_parse_get_double(power);
+    power_scale = surf_parse_get_power(power);
   }
   return power_scale;
 }
@@ -893,44 +1101,6 @@ double random_min, random_max, random_mean, random_std_deviation;
 e_random_generator_t random_generator;
 char *random_id;
 
-static void init_randomness(void)
-{
-  random_id = A_surfxml_random_id;
-  random_min = surf_parse_get_double(A_surfxml_random_min);
-  random_max = surf_parse_get_double(A_surfxml_random_max);
-  random_mean = surf_parse_get_double(A_surfxml_random_mean);
-  random_std_deviation = surf_parse_get_double(A_surfxml_random_std___deviation);
-  switch (A_surfxml_random_generator) {
-  case AU_surfxml_random_generator:
-  case A_surfxml_random_generator_NONE:
-    random_generator = NONE;
-    break;
-  case A_surfxml_random_generator_DRAND48:
-    random_generator = DRAND48;
-    break;
-  case A_surfxml_random_generator_RAND:
-    random_generator = RAND;
-    break;
-  case A_surfxml_random_generator_RNGSTREAM:
-    random_generator = RNGSTREAM;
-    break;
-  default:
-    surf_parse_error("Invalid random generator");
-    break;
-  }
-}
-
-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);
-}
-
-
 xbt_dict_t get_as_router_properties(const char* name)
 {
   return xbt_lib_get_or_null(as_router_lib, name, ROUTING_PROP_ASR_LEVEL);