src/surf/xml/surfxml_sax_cb.cpp

   1 /* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "simgrid/Exception.hpp"
   7 #include "simgrid/kernel/routing/NetPoint.hpp"
   8 #include "simgrid/s4u/Engine.hpp"
   9 #include "simgrid/sg_config.hpp"
  10 #include "src/kernel/resource/profile/FutureEvtSet.hpp"
  11 #include "src/kernel/resource/profile/Profile.hpp"
  12 #include "src/surf/network_interface.hpp"
  13 #include "src/surf/surf_interface.hpp"
  14 #include "src/surf/xml/platf_private.hpp"
  15 #include "surf/surf.hpp"
  16 #include "xbt/file.hpp"
  17
  18 #include <boost/algorithm/string.hpp>
  19 #include <boost/algorithm/string/classification.hpp>
  20 #include <boost/algorithm/string/split.hpp>
  21 #include <string>
  22 #include <tuple>
  23 #include <unordered_map>
  24 #include <vector>
  25
  26 #include "simgrid_dtd.c"
  27
  28 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_parse, surf, "Logging specific to the SURF parsing module");
  29
  30 static std::string surf_parsed_filename; // Currently parsed file (for the error messages)
  31 std::vector<simgrid::kernel::resource::LinkImpl*>
  32     parsed_link_list; /* temporary store of current link list of a route */
  33 std::vector<simgrid::kernel::resource::DiskImpl*> parsed_disk_list; /* temporary store of current disk list of a host */
  34 /*
  35  * Helping functions
  36  */
  37 void surf_parse_assert(bool cond, std::string&& msg)
  38 {
  39   if (not cond)
  40     surf_parse_error(std::move(msg));
  41 }
  42
  43 void surf_parse_error(const char* msg) {
  44   throw simgrid::ParseError(surf_parse_lineno, surf_parsed_filename, std::string(msg));
  45 }
  46
  47 void surf_parse_error(std::string&& msg)
  48 {
  49   throw simgrid::ParseError(surf_parse_lineno, surf_parsed_filename, std::move(msg));
  50 }
  51
  52 void surf_parse_assert_netpoint(const std::string& hostname, const std::string& pre, const std::string& post)
  53 {
  54   if (simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(hostname) != nullptr) // found
  55     return;
  56
  57   std::string msg = pre + hostname + post + " Existing netpoints: \n";
  58
  59   std::vector<simgrid::kernel::routing::NetPoint*> netpoints =
  60       simgrid::s4u::Engine::get_instance()->get_all_netpoints();
  61   std::sort(netpoints.begin(), netpoints.end(),
  62             [](simgrid::kernel::routing::NetPoint* a, simgrid::kernel::routing::NetPoint* b) {
  63               return a->get_name() < b->get_name();
  64             });
  65   bool first = true;
  66   for (auto const& np : netpoints) {
  67     if (np->is_netzone())
  68       continue;
  69
  70     if (not first)
  71       msg += ",";
  72     first = false;
  73     msg += "'" + np->get_name() + "'";
  74     if (msg.length() > 4096) {
  75       msg.pop_back(); // remove trailing quote
  76       msg += "...(list truncated)......";
  77       break;
  78     }
  79   }
  80   surf_parse_error(std::move(msg));
  81 }
  82
  83 double surf_parse_get_double(const std::string& s)
  84 {
  85   try {
  86     return std::stod(s);
  87   } catch (const std::invalid_argument&) {
  88     surf_parse_error(s + " is not a double");
  89   }
  90 }
  91
  92 int surf_parse_get_int(const std::string& s)
  93 {
  94   try {
  95     return std::stoi(s);
  96   } catch (const std::invalid_argument&) {
  97     surf_parse_error(s + " is not a double");
  98   }
  99 }
 100
 101 namespace {
 102
 103 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
 104 std::vector<int>* explodesRadical(const std::string& radicals)
 105 {
 106   std::vector<int>* exploded = new std::vector<int>();
 107
 108   // Make all hosts
 109   std::vector<std::string> radical_elements;
 110   boost::split(radical_elements, radicals, boost::is_any_of(","));
 111   for (auto const& group : radical_elements) {
 112     std::vector<std::string> radical_ends;
 113     boost::split(radical_ends, group, boost::is_any_of("-"));
 114     int start = surf_parse_get_int(radical_ends.front());
 115     int end   = 0;
 116
 117     switch (radical_ends.size()) {
 118       case 1:
 119         end = start;
 120         break;
 121       case 2:
 122         end = surf_parse_get_int(radical_ends.back());
 123         break;
 124       default:
 125         surf_parse_error(std::string("Malformed radical: ") + group);
 126     }
 127     for (int i = start; i <= end; i++)
 128       exploded->push_back(i);
 129   }
 130
 131   return exploded;
 132 }
 133
 134 class unit_scale : public std::unordered_map<std::string, double> {
 135 public:
 136   using std::unordered_map<std::string, double>::unordered_map;
 137   // tuples are : <unit, value for unit, base (2 or 10), true if abbreviated>
 138   explicit unit_scale(std::initializer_list<std::tuple<const std::string, double, int, bool>> generators);
 139 };
 140
 141 unit_scale::unit_scale(std::initializer_list<std::tuple<const std::string, double, int, bool>> generators)
 142 {
 143   for (const auto& gen : generators) {
 144     const std::string& unit = std::get<0>(gen);
 145     double value            = std::get<1>(gen);
 146     const int base          = std::get<2>(gen);
 147     const bool abbrev       = std::get<3>(gen);
 148     double mult;
 149     std::vector<std::string> prefixes;
 150     switch (base) {
 151       case 2:
 152         mult     = 1024.0;
 153         prefixes = abbrev ? std::vector<std::string>{"Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi"}
 154                           : std::vector<std::string>{"kibi", "mebi", "gibi", "tebi", "pebi", "exbi", "zebi", "yobi"};
 155         break;
 156       case 10:
 157         mult     = 1000.0;
 158         prefixes = abbrev ? std::vector<std::string>{"k", "M", "G", "T", "P", "E", "Z", "Y"}
 159                           : std::vector<std::string>{"kilo", "mega", "giga", "tera", "peta", "exa", "zeta", "yotta"};
 160         break;
 161       default:
 162         THROW_IMPOSSIBLE;
 163     }
 164     emplace(unit, value);
 165     for (const auto& prefix : prefixes) {
 166       value *= mult;
 167       emplace(prefix + unit, value);
 168     }
 169   }
 170 }
 171
 172 /* Note: no warning is issued for unit-less values when `name' is empty. */
 173 double surf_parse_get_value_with_unit(const char* string, const unit_scale& units, const char* entity_kind,
 174                                       const std::string& name, const char* error_msg, const char* default_unit)
 175 {
 176   char* endptr;
 177   errno = 0;
 178   double res      = strtod(string, &endptr);
 179   const char* ptr = endptr; // for const-correctness
 180   if (errno == ERANGE)
 181     surf_parse_error(std::string("value out of range: ") + string);
 182   if (ptr == string)
 183     surf_parse_error(std::string("cannot parse number:") + string);
 184   if (ptr[0] == '\0') {
 185     // Ok, 0 can be unit-less
 186     if (res != 0 && not name.empty())
 187       XBT_WARN("Deprecated unit-less value '%s' for %s %s. %s", string, entity_kind, name.c_str(), error_msg);
 188     ptr = default_unit;
 189   }
 190   auto u = units.find(ptr);
 191   if (u == units.end())
 192     surf_parse_error(std::string("unknown unit: ") + ptr);
 193   return res * u->second;
 194 }
 195 }
 196
 197 double surf_parse_get_time(const char* string, const char* entity_kind, const std::string& name)
 198 {
 199   static const unit_scale units{std::make_pair("w", 7 * 24 * 60 * 60),
 200                                 std::make_pair("d", 24 * 60 * 60),
 201                                 std::make_pair("h", 60 * 60),
 202                                 std::make_pair("m", 60),
 203                                 std::make_pair("s", 1.0),
 204                                 std::make_pair("ms", 1e-3),
 205                                 std::make_pair("us", 1e-6),
 206                                 std::make_pair("ns", 1e-9),
 207                                 std::make_pair("ps", 1e-12)};
 208   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 209       "Append 's' to your time to get seconds", "s");
 210 }
 211
 212 double surf_parse_get_size(const char* string, const char* entity_kind, const std::string& name)
 213 {
 214   static const unit_scale units{std::make_tuple("b", 0.125, 2, true), std::make_tuple("b", 0.125, 10, true),
 215                                 std::make_tuple("B", 1.0, 2, true), std::make_tuple("B", 1.0, 10, true)};
 216   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 217       "Append 'B' to get bytes (or 'b' for bits but 1B = 8b).", "B");
 218 }
 219
 220 double surf_parse_get_bandwidth(const char* string, const char* entity_kind, const std::string& name)
 221 {
 222   static const unit_scale units{std::make_tuple("bps", 0.125, 2, true), std::make_tuple("bps", 0.125, 10, true),
 223                                 std::make_tuple("Bps", 1.0, 2, true), std::make_tuple("Bps", 1.0, 10, true)};
 224   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 225       "Append 'Bps' to get bytes per second (or 'bps' for bits but 1Bps = 8bps)", "Bps");
 226 }
 227
 228 std::vector<double> surf_parse_get_bandwidths(const char* string, const char* entity_kind, const std::string& name)
 229 {
 230   static const unit_scale units{std::make_tuple("bps", 0.125, 2, true), std::make_tuple("bps", 0.125, 10, true),
 231                                 std::make_tuple("Bps", 1.0, 2, true), std::make_tuple("Bps", 1.0, 10, true)};
 232
 233   std::vector<double> bandwidths;
 234   std::vector<std::string> tokens;
 235   boost::split(tokens, string, boost::is_any_of(";"));
 236   for (auto token : tokens) {
 237     bandwidths.push_back(surf_parse_get_value_with_unit(
 238         token.c_str(), units, entity_kind, name,
 239         "Append 'Bps' to get bytes per second (or 'bps' for bits but 1Bps = 8bps)", "Bps"));
 240   }
 241
 242   return bandwidths;
 243 }
 244
 245 double surf_parse_get_speed(const char* string, const char* entity_kind, const std::string& name)
 246 {
 247   static const unit_scale units{std::make_tuple("f", 1.0, 10, true), std::make_tuple("flops", 1.0, 10, false)};
 248   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 249       "Append 'f' or 'flops' to your speed to get flop per second", "f");
 250 }
 251
 252 static std::vector<double> surf_parse_get_all_speeds(char* speeds, const char* entity_kind, const std::string& id)
 253 {
 254
 255   std::vector<double> speed_per_pstate;
 256
 257   if (strchr(speeds, ',') == nullptr){
 258     double speed = surf_parse_get_speed(speeds, entity_kind, id);
 259     speed_per_pstate.push_back(speed);
 260   } else {
 261     std::vector<std::string> pstate_list;
 262     boost::split(pstate_list, speeds, boost::is_any_of(","));
 263     for (auto speed_str : pstate_list) {
 264       boost::trim(speed_str);
 265       double speed = surf_parse_get_speed(speed_str.c_str(), entity_kind, id);
 266       speed_per_pstate.push_back(speed);
 267       XBT_DEBUG("Speed value: %f", speed);
 268     }
 269   }
 270   return speed_per_pstate;
 271 }
 272
 273 /*
 274  * All the callback lists that can be overridden anywhere.
 275  * (this list should probably be reduced to the bare minimum to allow the models to work)
 276  */
 277
 278 /* make sure these symbols are defined as strong ones in this file so that the linker can resolve them */
 279
 280 std::vector<std::unordered_map<std::string, std::string>*> property_sets;
 281
 282 /* The default current property receiver. Setup in the corresponding opening callbacks. */
 283 std::unordered_map<std::string, std::string>* current_model_property_set = nullptr;
 284
 285 FILE *surf_file_to_parse = nullptr;
 286
 287 /* Stuff relative to storage */
 288 void STag_surfxml_storage()
 289 {
 290   XBT_DEBUG("STag_surfxml_storage");
 291   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 292 }
 293
 294 void ETag_surfxml_storage()
 295 {
 296   simgrid::kernel::routing::StorageCreationArgs storage;
 297
 298   storage.properties = property_sets.back();
 299   property_sets.pop_back();
 300
 301   storage.id           = A_surfxml_storage_id;
 302   storage.type_id      = A_surfxml_storage_typeId;
 303   storage.content      = A_surfxml_storage_content;
 304   storage.attach       = A_surfxml_storage_attach;
 305
 306   sg_platf_new_storage(&storage);
 307 }
 308 void STag_surfxml_storage___type()
 309 {
 310   XBT_DEBUG("STag_surfxml_storage___type");
 311   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 312   xbt_assert(current_model_property_set == nullptr, "Someone forgot to reset the model property set to nullptr in its closing tag (or XML malformed)");
 313 }
 314 void ETag_surfxml_storage___type()
 315 {
 316   simgrid::kernel::routing::StorageTypeCreationArgs storage_type;
 317
 318   storage_type.properties = property_sets.back();
 319   property_sets.pop_back();
 320
 321   storage_type.model_properties = current_model_property_set;
 322   current_model_property_set    = nullptr;
 323
 324   storage_type.content = A_surfxml_storage___type_content;
 325   storage_type.id      = A_surfxml_storage___type_id;
 326   storage_type.model   = A_surfxml_storage___type_model;
 327   storage_type.size =
 328       surf_parse_get_size(A_surfxml_storage___type_size, "size of storage type", storage_type.id.c_str());
 329   sg_platf_new_storage_type(&storage_type);
 330 }
 331
 332 void STag_surfxml_mount()
 333 {
 334   XBT_DEBUG("STag_surfxml_mount");
 335 }
 336
 337 void ETag_surfxml_mount()
 338 {
 339   simgrid::kernel::routing::MountCreationArgs mount;
 340
 341   mount.name      = A_surfxml_mount_name;
 342   mount.storageId = A_surfxml_mount_storageId;
 343   sg_platf_new_mount(&mount);
 344 }
 345
 346 void STag_surfxml_include()
 347 {
 348   xbt_die("<include> tag was removed in SimGrid v3.18. Please stop using it now.");
 349 }
 350
 351 void ETag_surfxml_include()
 352 {
 353   /* Won't happen since <include> is now removed since v3.18. */
 354 }
 355
 356 /* Stag and Etag parse functions */
 357 void STag_surfxml_platform() {
 358   XBT_ATTRIB_UNUSED double version = surf_parse_get_double(A_surfxml_platform_version);
 359
 360   surf_parse_assert((version >= 1.0), "******* BIG FAT WARNING *********\n "
 361       "You're using an ancient XML file.\n"
 362       "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 363       "instead of MBytes, MFlops and seconds.\n"
 364
 365       "Use simgrid_update_xml to update your file automatically. "
 366       "This program is installed automatically with SimGrid, or "
 367       "available in the tools/ directory of the source archive.\n"
 368
 369       "Please check also out the SURF section of the ChangeLog for "
 370       "the 3.1 version for more information. \n"
 371
 372       "Last, do not forget to also update your values for "
 373       "the calls to MSG_task_create (if any).");
 374   surf_parse_assert((version >= 3.0), "******* BIG FAT WARNING *********\n "
 375       "You're using an old XML file.\n"
 376       "Use simgrid_update_xml to update your file automatically. "
 377       "This program is installed automatically with SimGrid, or "
 378       "available in the tools/ directory of the source archive.");
 379   surf_parse_assert((version >= 4.0),
 380              std::string("******* THIS FILE IS TOO OLD (v:")+std::to_string(version)+") *********\n "
 381              "Changes introduced in SimGrid 3.13:\n"
 382              "  - 'power' attribute of hosts (and others) got renamed to 'speed'.\n"
 383              "  - In <trace_connect>, attribute kind=\"POWER\" is now kind=\"SPEED\".\n"
 384              "  - DOCTYPE now point to the rignt URL.\n"
 385              "  - speed, bandwidth and latency attributes now MUST have an explicit unit (f, Bps, s by default)"
 386              "\n\n"
 387              "Use simgrid_update_xml to update your file automatically. "
 388              "This program is installed automatically with SimGrid, or "
 389              "available in the tools/ directory of the source archive.");
 390   if (version < 4.1) {
 391     XBT_INFO("You're using a v%.1f XML file (%s) while the current standard is v4.1 "
 392              "That's fine, the new version is backward compatible. \n\n"
 393              "Use simgrid_update_xml to update your file automatically to get rid of this warning. "
 394              "This program is installed automatically with SimGrid, or "
 395              "available in the tools/ directory of the source archive.",
 396              version, surf_parsed_filename.c_str());
 397   }
 398   surf_parse_assert(version <= 4.1,
 399              std::string("******* THIS FILE COMES FROM THE FUTURE (v:")+std::to_string(version)+") *********\n "
 400              "The most recent formalism that this version of SimGrid understands is v4.1.\n"
 401              "Please update your code, or use another, more adapted, file.");
 402 }
 403 void ETag_surfxml_platform(){
 404   simgrid::s4u::Engine::on_platform_created();
 405 }
 406
 407 void STag_surfxml_host(){
 408   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 409 }
 410
 411 void STag_surfxml_prop()
 412 {
 413   property_sets.back()->insert({A_surfxml_prop_id, A_surfxml_prop_value});
 414   XBT_DEBUG("add prop %s=%s into current property set %p", A_surfxml_prop_id, A_surfxml_prop_value,
 415             property_sets.back());
 416 }
 417
 418 void ETag_surfxml_host()    {
 419   simgrid::kernel::routing::HostCreationArgs host;
 420
 421   host.properties = property_sets.back();
 422   property_sets.pop_back();
 423
 424   host.id = A_surfxml_host_id;
 425
 426   host.speed_per_pstate = surf_parse_get_all_speeds(A_surfxml_host_speed, "speed of host", host.id);
 427
 428   XBT_DEBUG("pstate: %s", A_surfxml_host_pstate);
 429   host.core_amount = surf_parse_get_int(A_surfxml_host_core);
 430
 431   host.speed_trace = nullptr;
 432   if (A_surfxml_host_availability___file[0] != '\0') {
 433     XBT_WARN("The availability_file attribute in <host> is now deprecated. Please, use 'speed_file' instead.");
 434     host.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_host_availability___file);
 435   }
 436   if (A_surfxml_host_speed___file[0] != '\0')
 437     host.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_host_speed___file);
 438   host.state_trace = A_surfxml_host_state___file[0]
 439                          ? simgrid::kernel::profile::Profile::from_file(A_surfxml_host_state___file)
 440                          : nullptr;
 441   host.pstate      = surf_parse_get_int(A_surfxml_host_pstate);
 442   host.coord       = A_surfxml_host_coordinates;
 443   host.disks.swap(parsed_disk_list);
 444
 445   sg_platf_new_host(&host);
 446 }
 447
 448 void STag_surfxml_disk() {
 449   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 450 }
 451
 452 void ETag_surfxml_disk() {
 453   simgrid::kernel::routing::DiskCreationArgs disk;
 454   disk.properties = property_sets.back();
 455   property_sets.pop_back();
 456
 457   disk.id       = A_surfxml_disk_id;
 458   disk.read_bw  = surf_parse_get_bandwidth(A_surfxml_disk_read___bw, "read_bw of disk ", disk.id);
 459   disk.write_bw = surf_parse_get_bandwidth(A_surfxml_disk_write___bw, "write_bw of disk ", disk.id);
 460
 461   parsed_disk_list.push_back(sg_platf_new_disk(&disk));
 462 }
 463
 464 void STag_surfxml_host___link(){
 465   XBT_DEBUG("Create a Host_link for %s",A_surfxml_host___link_id);
 466   simgrid::kernel::routing::HostLinkCreationArgs host_link;
 467
 468   host_link.id        = A_surfxml_host___link_id;
 469   host_link.link_up   = A_surfxml_host___link_up;
 470   host_link.link_down = A_surfxml_host___link_down;
 471   sg_platf_new_hostlink(&host_link);
 472 }
 473
 474 void STag_surfxml_router(){
 475   sg_platf_new_router(A_surfxml_router_id, A_surfxml_router_coordinates);
 476 }
 477
 478 void ETag_surfxml_cluster(){
 479   simgrid::kernel::routing::ClusterCreationArgs cluster;
 480   cluster.properties = property_sets.back();
 481   property_sets.pop_back();
 482
 483   cluster.id          = A_surfxml_cluster_id;
 484   cluster.prefix      = A_surfxml_cluster_prefix;
 485   cluster.suffix      = A_surfxml_cluster_suffix;
 486   cluster.radicals    = explodesRadical(A_surfxml_cluster_radical);
 487   cluster.speeds      = surf_parse_get_all_speeds(A_surfxml_cluster_speed, "speed of cluster", cluster.id);
 488   cluster.core_amount = surf_parse_get_int(A_surfxml_cluster_core);
 489   cluster.bw          = surf_parse_get_bandwidth(A_surfxml_cluster_bw, "bw of cluster", cluster.id);
 490   cluster.lat         = surf_parse_get_time(A_surfxml_cluster_lat, "lat of cluster", cluster.id);
 491   if(strcmp(A_surfxml_cluster_bb___bw,""))
 492     cluster.bb_bw = surf_parse_get_bandwidth(A_surfxml_cluster_bb___bw, "bb_bw of cluster", cluster.id);
 493   if(strcmp(A_surfxml_cluster_bb___lat,""))
 494     cluster.bb_lat = surf_parse_get_time(A_surfxml_cluster_bb___lat, "bb_lat of cluster", cluster.id);
 495   if(strcmp(A_surfxml_cluster_limiter___link,""))
 496     cluster.limiter_link = surf_parse_get_bandwidth(A_surfxml_cluster_limiter___link, "limiter_link of cluster", cluster.id);
 497   if(strcmp(A_surfxml_cluster_loopback___bw,""))
 498     cluster.loopback_bw = surf_parse_get_bandwidth(A_surfxml_cluster_loopback___bw, "loopback_bw of cluster", cluster.id);
 499   if(strcmp(A_surfxml_cluster_loopback___lat,""))
 500     cluster.loopback_lat = surf_parse_get_time(A_surfxml_cluster_loopback___lat, "loopback_lat of cluster", cluster.id);
 501
 502   switch(AX_surfxml_cluster_topology){
 503   case A_surfxml_cluster_topology_FLAT:
 504     cluster.topology = simgrid::kernel::routing::ClusterTopology::FLAT;
 505     break;
 506   case A_surfxml_cluster_topology_TORUS:
 507     cluster.topology = simgrid::kernel::routing::ClusterTopology::TORUS;
 508     break;
 509   case A_surfxml_cluster_topology_FAT___TREE:
 510     cluster.topology = simgrid::kernel::routing::ClusterTopology::FAT_TREE;
 511     break;
 512   case A_surfxml_cluster_topology_DRAGONFLY:
 513     cluster.topology = simgrid::kernel::routing::ClusterTopology::DRAGONFLY;
 514     break;
 515   default:
 516     surf_parse_error(std::string("Invalid cluster topology for cluster ") + cluster.id);
 517   }
 518   cluster.topo_parameters = A_surfxml_cluster_topo___parameters;
 519   cluster.router_id = A_surfxml_cluster_router___id;
 520
 521   switch (AX_surfxml_cluster_sharing___policy) {
 522   case A_surfxml_cluster_sharing___policy_SHARED:
 523     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::SHARED;
 524     break;
 525   case A_surfxml_cluster_sharing___policy_FULLDUPLEX:
 526     XBT_WARN("FULLDUPLEX is now deprecated. Please update your platform file to use SPLITDUPLEX instead.");
 527     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 528     break;
 529   case A_surfxml_cluster_sharing___policy_SPLITDUPLEX:
 530     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 531     break;
 532   case A_surfxml_cluster_sharing___policy_FATPIPE:
 533     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::FATPIPE;
 534     break;
 535   default:
 536     surf_parse_error(std::string("Invalid cluster sharing policy for cluster ") + cluster.id);
 537   }
 538   switch (AX_surfxml_cluster_bb___sharing___policy) {
 539   case A_surfxml_cluster_bb___sharing___policy_FATPIPE:
 540     cluster.bb_sharing_policy = simgrid::s4u::Link::SharingPolicy::FATPIPE;
 541     break;
 542   case A_surfxml_cluster_bb___sharing___policy_SHARED:
 543     cluster.bb_sharing_policy = simgrid::s4u::Link::SharingPolicy::SHARED;
 544     break;
 545   default:
 546     surf_parse_error(std::string("Invalid bb sharing policy in cluster ") + cluster.id);
 547   }
 548
 549   sg_platf_new_cluster(&cluster);
 550 }
 551
 552 void STag_surfxml_cluster(){
 553   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 554 }
 555
 556 void STag_surfxml_cabinet(){
 557   simgrid::kernel::routing::CabinetCreationArgs cabinet;
 558   cabinet.id      = A_surfxml_cabinet_id;
 559   cabinet.prefix  = A_surfxml_cabinet_prefix;
 560   cabinet.suffix  = A_surfxml_cabinet_suffix;
 561   cabinet.speed    = surf_parse_get_speed(A_surfxml_cabinet_speed, "speed of cabinet", cabinet.id.c_str());
 562   cabinet.bw       = surf_parse_get_bandwidth(A_surfxml_cabinet_bw, "bw of cabinet", cabinet.id.c_str());
 563   cabinet.lat      = surf_parse_get_time(A_surfxml_cabinet_lat, "lat of cabinet", cabinet.id.c_str());
 564   cabinet.radicals = explodesRadical(A_surfxml_cabinet_radical);
 565
 566   sg_platf_new_cabinet(&cabinet);
 567 }
 568
 569 void STag_surfxml_peer(){
 570   simgrid::kernel::routing::PeerCreationArgs peer;
 571
 572   peer.id          = std::string(A_surfxml_peer_id);
 573   peer.speed       = surf_parse_get_speed(A_surfxml_peer_speed, "speed of peer", peer.id.c_str());
 574   peer.bw_in       = surf_parse_get_bandwidth(A_surfxml_peer_bw___in, "bw_in of peer", peer.id.c_str());
 575   peer.bw_out      = surf_parse_get_bandwidth(A_surfxml_peer_bw___out, "bw_out of peer", peer.id.c_str());
 576   peer.coord       = A_surfxml_peer_coordinates;
 577   peer.speed_trace = nullptr;
 578   if (A_surfxml_peer_availability___file[0] != '\0') {
 579     XBT_WARN("The availability_file attribute in <peer> is now deprecated. Please, use 'speed_file' instead.");
 580     peer.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_peer_availability___file);
 581   }
 582   if (A_surfxml_peer_speed___file[0] != '\0')
 583     peer.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_peer_speed___file);
 584   peer.state_trace = A_surfxml_peer_state___file[0]
 585                          ? simgrid::kernel::profile::Profile::from_file(A_surfxml_peer_state___file)
 586                          : nullptr;
 587
 588   if (A_surfxml_peer_lat[0] != '\0')
 589     XBT_WARN("The latency attribute in <peer> is now deprecated. Use the z coordinate instead of '%s'.",
 590              A_surfxml_peer_lat);
 591
 592   sg_platf_new_peer(&peer);
 593 }
 594
 595 void STag_surfxml_link(){
 596   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 597 }
 598
 599 void ETag_surfxml_link(){
 600   simgrid::kernel::routing::LinkCreationArgs link;
 601
 602   link.properties = property_sets.back();
 603   property_sets.pop_back();
 604
 605   link.id                  = std::string(A_surfxml_link_id);
 606   link.bandwidths          = surf_parse_get_bandwidths(A_surfxml_link_bandwidth, "bandwidth of link", link.id.c_str());
 607   link.bandwidth_trace     = A_surfxml_link_bandwidth___file[0]
 608                              ? simgrid::kernel::profile::Profile::from_file(A_surfxml_link_bandwidth___file)
 609                              : nullptr;
 610   link.latency             = surf_parse_get_time(A_surfxml_link_latency, "latency of link", link.id.c_str());
 611   link.latency_trace       = A_surfxml_link_latency___file[0]
 612                            ? simgrid::kernel::profile::Profile::from_file(A_surfxml_link_latency___file)
 613                            : nullptr;
 614   link.state_trace = A_surfxml_link_state___file[0]
 615                          ? simgrid::kernel::profile::Profile::from_file(A_surfxml_link_state___file)
 616                          : nullptr;
 617
 618   switch (A_surfxml_link_sharing___policy) {
 619   case A_surfxml_link_sharing___policy_SHARED:
 620     link.policy = simgrid::s4u::Link::SharingPolicy::SHARED;
 621     break;
 622   case A_surfxml_link_sharing___policy_FATPIPE:
 623     link.policy = simgrid::s4u::Link::SharingPolicy::FATPIPE;
 624     break;
 625   case A_surfxml_link_sharing___policy_FULLDUPLEX:
 626     XBT_WARN("FULLDUPLEX is now deprecated. Please update your platform file to use SPLITDUPLEX instead.");
 627     link.policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 628     break;
 629   case A_surfxml_link_sharing___policy_SPLITDUPLEX:
 630     link.policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 631     break;
 632   case A_surfxml_link_sharing___policy_WIFI:
 633     link.policy = simgrid::s4u::Link::SharingPolicy::WIFI;
 634     break;
 635   default:
 636     surf_parse_error(std::string("Invalid sharing policy in link ") + link.id);
 637   }
 638
 639   sg_platf_new_link(&link);
 640 }
 641
 642 void STag_surfxml_link___ctn()
 643 {
 644   simgrid::kernel::resource::LinkImpl* link = nullptr;
 645   switch (A_surfxml_link___ctn_direction) {
 646   case AU_surfxml_link___ctn_direction:
 647   case A_surfxml_link___ctn_direction_NONE:
 648     link = simgrid::s4u::Link::by_name(std::string(A_surfxml_link___ctn_id))->get_impl();
 649     break;
 650   case A_surfxml_link___ctn_direction_UP:
 651     link = simgrid::s4u::Link::by_name(std::string(A_surfxml_link___ctn_id) + "_UP")->get_impl();
 652     break;
 653   case A_surfxml_link___ctn_direction_DOWN:
 654     link = simgrid::s4u::Link::by_name(std::string(A_surfxml_link___ctn_id) + "_DOWN")->get_impl();
 655     break;
 656   default:
 657     surf_parse_error(std::string("Invalid direction for link ") + A_surfxml_link___ctn_id);
 658   }
 659
 660   const char* dirname = "";
 661   switch (A_surfxml_link___ctn_direction) {
 662     case A_surfxml_link___ctn_direction_UP:
 663       dirname = " (upward)";
 664       break;
 665     case A_surfxml_link___ctn_direction_DOWN:
 666       dirname = " (downward)";
 667       break;
 668     default:
 669       dirname = "";
 670   }
 671   surf_parse_assert(link != nullptr, std::string("No such link: '") + A_surfxml_link___ctn_id + "'" + dirname);
 672   parsed_link_list.push_back(link);
 673 }
 674
 675 void ETag_surfxml_backbone(){
 676   simgrid::kernel::routing::LinkCreationArgs link;
 677
 678   link.properties = nullptr;
 679   link.id = std::string(A_surfxml_backbone_id);
 680   link.bandwidths.push_back(
 681       surf_parse_get_bandwidth(A_surfxml_backbone_bandwidth, "bandwidth of backbone", link.id.c_str()));
 682   link.latency = surf_parse_get_time(A_surfxml_backbone_latency, "latency of backbone", link.id.c_str());
 683   link.policy     = simgrid::s4u::Link::SharingPolicy::SHARED;
 684
 685   sg_platf_new_link(&link);
 686   routing_cluster_add_backbone(simgrid::s4u::Link::by_name(std::string(A_surfxml_backbone_id))->get_impl());
 687 }
 688
 689 void STag_surfxml_route(){
 690   surf_parse_assert_netpoint(A_surfxml_route_src, "Route src='", "' does name a node.");
 691   surf_parse_assert_netpoint(A_surfxml_route_dst, "Route dst='", "' does name a node.");
 692 }
 693
 694 void STag_surfxml_ASroute(){
 695   surf_parse_assert_netpoint(A_surfxml_ASroute_src, "ASroute src='", "' does name a node.");
 696   surf_parse_assert_netpoint(A_surfxml_ASroute_dst, "ASroute dst='", "' does name a node.");
 697
 698   surf_parse_assert_netpoint(A_surfxml_ASroute_gw___src, "ASroute gw_src='", "' does name a node.");
 699   surf_parse_assert_netpoint(A_surfxml_ASroute_gw___dst, "ASroute gw_dst='", "' does name a node.");
 700 }
 701 void STag_surfxml_zoneRoute(){
 702   surf_parse_assert_netpoint(A_surfxml_zoneRoute_src, "zoneRoute src='", "' does name a node.");
 703   surf_parse_assert_netpoint(A_surfxml_zoneRoute_dst, "zoneRoute dst='", "' does name a node.");
 704   surf_parse_assert_netpoint(A_surfxml_zoneRoute_gw___src, "zoneRoute gw_src='", "' does name a node.");
 705   surf_parse_assert_netpoint(A_surfxml_zoneRoute_gw___dst, "zoneRoute gw_dst='", "' does name a node.");
 706 }
 707
 708 void STag_surfxml_bypassRoute(){
 709   surf_parse_assert_netpoint(A_surfxml_bypassRoute_src, "bypassRoute src='", "' does name a node.");
 710   surf_parse_assert_netpoint(A_surfxml_bypassRoute_dst, "bypassRoute dst='", "' does name a node.");
 711 }
 712
 713 void STag_surfxml_bypassASroute(){
 714   surf_parse_assert_netpoint(A_surfxml_bypassASroute_src, "bypassASroute src='", "' does name a node.");
 715   surf_parse_assert_netpoint(A_surfxml_bypassASroute_dst, "bypassASroute dst='", "' does name a node.");
 716   surf_parse_assert_netpoint(A_surfxml_bypassASroute_gw___src, "bypassASroute gw_src='", "' does name a node.");
 717   surf_parse_assert_netpoint(A_surfxml_bypassASroute_gw___dst, "bypassASroute gw_dst='", "' does name a node.");
 718 }
 719 void STag_surfxml_bypassZoneRoute(){
 720   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_src, "bypassZoneRoute src='", "' does name a node.");
 721   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_dst, "bypassZoneRoute dst='", "' does name a node.");
 722   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_gw___src, "bypassZoneRoute gw_src='", "' does name a node.");
 723   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_gw___dst, "bypassZoneRoute gw_dst='", "' does name a node.");
 724 }
 725
 726 void ETag_surfxml_route(){
 727   simgrid::kernel::routing::RouteCreationArgs route;
 728
 729   route.src         = sg_netpoint_by_name_or_null(A_surfxml_route_src); // tested to not be nullptr in start tag
 730   route.dst         = sg_netpoint_by_name_or_null(A_surfxml_route_dst); // tested to not be nullptr in start tag
 731   route.gw_src    = nullptr;
 732   route.gw_dst    = nullptr;
 733   route.symmetrical = (A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES);
 734
 735   route.link_list.swap(parsed_link_list);
 736
 737   sg_platf_new_route(&route);
 738 }
 739
 740 void ETag_surfxml_ASroute()
 741 {
 742   AX_surfxml_zoneRoute_src = AX_surfxml_ASroute_src;
 743   AX_surfxml_zoneRoute_dst = AX_surfxml_ASroute_dst;
 744   AX_surfxml_zoneRoute_gw___src = AX_surfxml_ASroute_gw___src;
 745   AX_surfxml_zoneRoute_gw___dst = AX_surfxml_ASroute_gw___dst;
 746   AX_surfxml_zoneRoute_symmetrical = (AT_surfxml_zoneRoute_symmetrical)AX_surfxml_ASroute_symmetrical;
 747   ETag_surfxml_zoneRoute();
 748 }
 749 void ETag_surfxml_zoneRoute()
 750 {
 751   simgrid::kernel::routing::RouteCreationArgs ASroute;
 752
 753   ASroute.src = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_src); // tested to not be nullptr in start tag
 754   ASroute.dst = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_dst); // tested to not be nullptr in start tag
 755
 756   ASroute.gw_src = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_gw___src); // tested to not be nullptr in start tag
 757   ASroute.gw_dst = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_gw___dst); // tested to not be nullptr in start tag
 758
 759   ASroute.link_list.swap(parsed_link_list);
 760
 761   switch (A_surfxml_zoneRoute_symmetrical) {
 762   case AU_surfxml_zoneRoute_symmetrical:
 763   case A_surfxml_zoneRoute_symmetrical_YES:
 764     ASroute.symmetrical = true;
 765     break;
 766   case A_surfxml_zoneRoute_symmetrical_NO:
 767     ASroute.symmetrical = false;
 768     break;
 769   default:
 770     THROW_IMPOSSIBLE;
 771   }
 772
 773   sg_platf_new_route(&ASroute);
 774 }
 775
 776 void ETag_surfxml_bypassRoute(){
 777   simgrid::kernel::routing::RouteCreationArgs route;
 778
 779   route.src         = sg_netpoint_by_name_or_null(A_surfxml_bypassRoute_src); // tested to not be nullptr in start tag
 780   route.dst         = sg_netpoint_by_name_or_null(A_surfxml_bypassRoute_dst); // tested to not be nullptr in start tag
 781   route.gw_src = nullptr;
 782   route.gw_dst = nullptr;
 783   route.symmetrical = false;
 784
 785   route.link_list.swap(parsed_link_list);
 786
 787   sg_platf_new_bypassRoute(&route);
 788 }
 789
 790 void ETag_surfxml_bypassASroute()
 791 {
 792   AX_surfxml_bypassZoneRoute_src = AX_surfxml_bypassASroute_src;
 793   AX_surfxml_bypassZoneRoute_dst = AX_surfxml_bypassASroute_dst;
 794   AX_surfxml_bypassZoneRoute_gw___src = AX_surfxml_bypassASroute_gw___src;
 795   AX_surfxml_bypassZoneRoute_gw___dst = AX_surfxml_bypassASroute_gw___dst;
 796   ETag_surfxml_bypassZoneRoute();
 797 }
 798 void ETag_surfxml_bypassZoneRoute()
 799 {
 800   simgrid::kernel::routing::RouteCreationArgs ASroute;
 801
 802   ASroute.src         = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_src);
 803   ASroute.dst         = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_dst);
 804   ASroute.link_list.swap(parsed_link_list);
 805
 806   ASroute.symmetrical = false;
 807
 808   ASroute.gw_src = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_gw___src);
 809   ASroute.gw_dst = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_gw___dst);
 810
 811   sg_platf_new_bypassRoute(&ASroute);
 812 }
 813
 814 void ETag_surfxml_trace(){
 815   simgrid::kernel::routing::ProfileCreationArgs trace;
 816
 817   trace.id = A_surfxml_trace_id;
 818   trace.file = A_surfxml_trace_file;
 819   trace.periodicity = surf_parse_get_double(A_surfxml_trace_periodicity);
 820   trace.pc_data = surfxml_pcdata;
 821
 822   sg_platf_new_trace(&trace);
 823 }
 824
 825 void STag_surfxml_trace___connect()
 826 {
 827   simgrid::kernel::routing::TraceConnectCreationArgs trace_connect;
 828
 829   trace_connect.element = A_surfxml_trace___connect_element;
 830   trace_connect.trace = A_surfxml_trace___connect_trace;
 831
 832   switch (A_surfxml_trace___connect_kind) {
 833   case AU_surfxml_trace___connect_kind:
 834   case A_surfxml_trace___connect_kind_SPEED:
 835     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::SPEED;
 836     break;
 837   case A_surfxml_trace___connect_kind_BANDWIDTH:
 838     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::BANDWIDTH;
 839     break;
 840   case A_surfxml_trace___connect_kind_HOST___AVAIL:
 841     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::HOST_AVAIL;
 842     break;
 843   case A_surfxml_trace___connect_kind_LATENCY:
 844     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::LATENCY;
 845     break;
 846   case A_surfxml_trace___connect_kind_LINK___AVAIL:
 847     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::LINK_AVAIL;
 848     break;
 849   default:
 850     surf_parse_error("Invalid trace kind");
 851   }
 852   sg_platf_trace_connect(&trace_connect);
 853 }
 854
 855 void STag_surfxml_AS()
 856 {
 857   AX_surfxml_zone_id = AX_surfxml_AS_id;
 858   AX_surfxml_zone_routing = (AT_surfxml_zone_routing)AX_surfxml_AS_routing;
 859   STag_surfxml_zone();
 860 }
 861
 862 void ETag_surfxml_AS()
 863 {
 864   ETag_surfxml_zone();
 865 }
 866
 867 void STag_surfxml_zone()
 868 {
 869   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 870   simgrid::kernel::routing::ZoneCreationArgs zone;
 871   zone.id      = A_surfxml_zone_id;
 872   zone.routing = static_cast<int>(A_surfxml_zone_routing);
 873   sg_platf_new_Zone_begin(&zone);
 874 }
 875
 876 void ETag_surfxml_zone()
 877 {
 878   sg_platf_new_Zone_set_properties(property_sets.back());
 879   delete property_sets.back();
 880   property_sets.pop_back();
 881
 882   sg_platf_new_Zone_seal();
 883 }
 884
 885 void STag_surfxml_config()
 886 {
 887   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 888   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
 889   if (_sg_cfg_init_status == 2) {
 890     surf_parse_error("All <config> tags must be given before any platform elements (such as <zone>, <host>, <cluster>, "
 891                      "<link>, etc).");
 892   }
 893 }
 894
 895 void ETag_surfxml_config()
 896 {
 897   // Sort config elements before applying.
 898   // That's a little waste of time, but not doing so would break the tests
 899   auto current_property_set = property_sets.back();
 900
 901   std::vector<std::string> keys;
 902   for (auto const& kv : *current_property_set) {
 903     keys.push_back(kv.first);
 904   }
 905   std::sort(keys.begin(), keys.end());
 906   for (std::string key : keys) {
 907     if (simgrid::config::is_default(key.c_str())) {
 908       std::string cfg = key + ":" + current_property_set->at(key);
 909       simgrid::config::set_parse(std::move(cfg));
 910     } else
 911       XBT_INFO("The custom configuration '%s' is already defined by user!", key.c_str());
 912   }
 913   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
 914
 915   delete current_property_set;
 916   property_sets.pop_back();
 917 }
 918
 919 static std::vector<std::string> arguments;
 920
 921 void STag_surfxml_process()
 922 {
 923   AX_surfxml_actor_function = AX_surfxml_process_function;
 924   STag_surfxml_actor();
 925 }
 926
 927 void STag_surfxml_actor()
 928 {
 929   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 930   arguments.assign(1, A_surfxml_actor_function);
 931 }
 932
 933 void ETag_surfxml_process()
 934 {
 935   AX_surfxml_actor_host = AX_surfxml_process_host;
 936   AX_surfxml_actor_function = AX_surfxml_process_function;
 937   AX_surfxml_actor_start___time = AX_surfxml_process_start___time;
 938   AX_surfxml_actor_kill___time = AX_surfxml_process_kill___time;
 939   AX_surfxml_actor_on___failure = (AT_surfxml_actor_on___failure)AX_surfxml_process_on___failure;
 940   ETag_surfxml_actor();
 941 }
 942
 943 void ETag_surfxml_actor()
 944 {
 945   simgrid::kernel::routing::ActorCreationArgs actor;
 946
 947   actor.properties = property_sets.back();
 948   property_sets.pop_back();
 949
 950   actor.args.swap(arguments);
 951   actor.host       = A_surfxml_actor_host;
 952   actor.function   = A_surfxml_actor_function;
 953   actor.start_time = surf_parse_get_double(A_surfxml_actor_start___time);
 954   actor.kill_time  = surf_parse_get_double(A_surfxml_actor_kill___time);
 955
 956   switch (A_surfxml_actor_on___failure) {
 957   case AU_surfxml_actor_on___failure:
 958   case A_surfxml_actor_on___failure_DIE:
 959     actor.on_failure = simgrid::kernel::routing::ActorOnFailure::DIE;
 960     break;
 961   case A_surfxml_actor_on___failure_RESTART:
 962     actor.on_failure = simgrid::kernel::routing::ActorOnFailure::RESTART;
 963     break;
 964   default:
 965     surf_parse_error("Invalid on failure behavior");
 966   }
 967
 968   sg_platf_new_actor(&actor);
 969 }
 970
 971 void STag_surfxml_argument(){
 972   arguments.push_back(A_surfxml_argument_value);
 973 }
 974
 975 void STag_surfxml_model___prop(){
 976   if (not current_model_property_set)
 977     current_model_property_set = new std::unordered_map<std::string, std::string>();
 978
 979   current_model_property_set->insert({A_surfxml_model___prop_id, A_surfxml_model___prop_value});
 980 }
 981
 982 void ETag_surfxml_prop(){/* Nothing to do */}
 983 void STag_surfxml_random(){/* Nothing to do */}
 984 void ETag_surfxml_random(){/* Nothing to do */}
 985 void ETag_surfxml_trace___connect(){/* Nothing to do */}
 986 void STag_surfxml_trace()
 987 { /* Nothing to do */
 988 }
 989 void ETag_surfxml_router(){/*Nothing to do*/}
 990 void ETag_surfxml_host___link(){/* Nothing to do */}
 991 void ETag_surfxml_cabinet(){/* Nothing to do */}
 992 void ETag_surfxml_peer(){/* Nothing to do */}
 993 void STag_surfxml_backbone(){/* Nothing to do */}
 994 void ETag_surfxml_link___ctn(){/* Nothing to do */}
 995 void ETag_surfxml_argument(){/* Nothing to do */}
 996 void ETag_surfxml_model___prop(){/* Nothing to do */}
 997
 998 /* Open and Close parse file */
 999 YY_BUFFER_STATE surf_input_buffer;
1000
1001 void surf_parse_open(const std::string& file)
1002 {
1003   surf_parsed_filename = file;
1004   std::string dir      = simgrid::xbt::Path(file).get_dir_name();
1005   surf_path.push_back(dir);
1006
1007   surf_file_to_parse = surf_fopen(file, "r");
1008   if (surf_file_to_parse == nullptr)
1009     throw std::invalid_argument(std::string("Unable to open ')") + file + "' from '" + simgrid::xbt::Path().get_name() +
1010                                 "'. Does this file exist?");
1011   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, YY_BUF_SIZE);
1012   surf_parse__switch_to_buffer(surf_input_buffer);
1013   surf_parse_lineno = 1;
1014 }
1015
1016 void surf_parse_close()
1017 {
1018   surf_path.pop_back(); // remove the dirname of the opened file, that was added in surf_parse_open()
1019
1020   if (surf_file_to_parse) {
1021     surf_parse__delete_buffer(surf_input_buffer);
1022     fclose(surf_file_to_parse);
1023     surf_file_to_parse = nullptr; //Must be reset for Bypass
1024   }
1025 }
1026
1027 /* Call the lexer to parse the currently opened file */
1028 void surf_parse()
1029 {
1030   bool err = surf_parse_lex();
1031   surf_parse_assert(not err, "Flex returned an error code");
1032 }