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/kernel/routing/NetPoint.hpp"
   7 #include "simgrid/s4u/Engine.hpp"
   8 #include "simgrid/sg_config.hpp"
   9 #include "src/kernel/resource/profile/FutureEvtSet.hpp"
  10 #include "src/kernel/resource/profile/Profile.hpp"
  11 #include "src/surf/network_interface.hpp"
  12 #include "src/surf/surf_interface.hpp"
  13 #include "src/surf/xml/platf_private.hpp"
  14 #include "surf/surf.hpp"
  15 #include "xbt/file.hpp"
  16
  17 #include <boost/algorithm/string.hpp>
  18 #include <boost/algorithm/string/classification.hpp>
  19 #include <boost/algorithm/string/split.hpp>
  20 #include <string>
  21 #include <tuple>
  22 #include <unordered_map>
  23 #include <vector>
  24
  25 #include "simgrid_dtd.c"
  26
  27 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_parse, surf, "Logging specific to the SURF parsing module");
  28
  29 static std::string surf_parsed_filename; // Currently parsed file (for the error messages)
  30 std::vector<simgrid::kernel::resource::LinkImpl*>
  31     parsed_link_list; /* temporary store of current link list of a route */
  32 std::vector<simgrid::kernel::resource::DiskImpl*> parsed_disk_list; /* temporary store of current disk list of a host */
  33 /*
  34  * Helping functions
  35  */
  36 void surf_parse_assert(bool cond, const std::string& msg)
  37 {
  38   if (not cond) {
  39     int lineno = surf_parse_lineno;
  40     cleanup();
  41     XBT_ERROR("Parse error at %s:%d: %s", surf_parsed_filename.c_str(), lineno, msg.c_str());
  42     surf_exit();
  43     xbt_die("Exiting now");
  44   }
  45 }
  46
  47 void surf_parse_error(const std::string& msg)
  48 {
  49   int lineno = surf_parse_lineno;
  50   cleanup();
  51   XBT_ERROR("Parse error at %s:%d: %s", surf_parsed_filename.c_str(), lineno, msg.c_str());
  52   surf_exit();
  53   xbt_die("Exiting now");
  54 }
  55
  56 void surf_parse_assert_netpoint(const std::string& hostname, const std::string& pre, const std::string& post)
  57 {
  58   if (simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(hostname) != nullptr) // found
  59     return;
  60
  61   std::string msg = pre + hostname + post + " Existing netpoints: \n";
  62
  63   std::vector<simgrid::kernel::routing::NetPoint*> netpoints =
  64       simgrid::s4u::Engine::get_instance()->get_all_netpoints();
  65   std::sort(netpoints.begin(), netpoints.end(),
  66             [](simgrid::kernel::routing::NetPoint* a, simgrid::kernel::routing::NetPoint* b) {
  67               return a->get_name() < b->get_name();
  68             });
  69   bool first = true;
  70   for (auto const& np : netpoints) {
  71     if (np->is_netzone())
  72       continue;
  73
  74     if (not first)
  75       msg += ",";
  76     first = false;
  77     msg += "'" + np->get_name() + "'";
  78     if (msg.length() > 4096) {
  79       msg.pop_back(); // remove trailing quote
  80       msg += "...(list truncated)......";
  81       break;
  82     }
  83   }
  84   surf_parse_error(msg);
  85 }
  86
  87 double surf_parse_get_double(const std::string& s)
  88 {
  89   try {
  90     return std::stod(s);
  91   } catch (const std::invalid_argument&) {
  92     surf_parse_error(s + " is not a double");
  93   }
  94 }
  95
  96 int surf_parse_get_int(const std::string& s)
  97 {
  98   try {
  99     return std::stoi(s);
 100   } catch (const std::invalid_argument&) {
 101     surf_parse_error(s + " is not a double");
 102   }
 103 }
 104
 105 namespace {
 106
 107 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
 108 std::vector<int>* explodesRadical(const std::string& radicals)
 109 {
 110   std::vector<int>* exploded = new std::vector<int>();
 111
 112   // Make all hosts
 113   std::vector<std::string> radical_elements;
 114   boost::split(radical_elements, radicals, boost::is_any_of(","));
 115   for (auto const& group : radical_elements) {
 116     std::vector<std::string> radical_ends;
 117     boost::split(radical_ends, group, boost::is_any_of("-"));
 118     int start = surf_parse_get_int(radical_ends.front());
 119     int end   = 0;
 120
 121     switch (radical_ends.size()) {
 122       case 1:
 123         end = start;
 124         break;
 125       case 2:
 126         end = surf_parse_get_int(radical_ends.back());
 127         break;
 128       default:
 129         surf_parse_error(std::string("Malformed radical: ") + group);
 130     }
 131     for (int i = start; i <= end; i++)
 132       exploded->push_back(i);
 133   }
 134
 135   return exploded;
 136 }
 137
 138 class unit_scale : public std::unordered_map<std::string, double> {
 139 public:
 140   using std::unordered_map<std::string, double>::unordered_map;
 141   // tuples are : <unit, value for unit, base (2 or 10), true if abbreviated>
 142   explicit unit_scale(std::initializer_list<std::tuple<const std::string, double, int, bool>> generators);
 143 };
 144
 145 unit_scale::unit_scale(std::initializer_list<std::tuple<const std::string, double, int, bool>> generators)
 146 {
 147   for (const auto& gen : generators) {
 148     const std::string& unit = std::get<0>(gen);
 149     double value            = std::get<1>(gen);
 150     const int base          = std::get<2>(gen);
 151     const bool abbrev       = std::get<3>(gen);
 152     double mult;
 153     std::vector<std::string> prefixes;
 154     switch (base) {
 155       case 2:
 156         mult     = 1024.0;
 157         prefixes = abbrev ? std::vector<std::string>{"Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi"}
 158                           : std::vector<std::string>{"kibi", "mebi", "gibi", "tebi", "pebi", "exbi", "zebi", "yobi"};
 159         break;
 160       case 10:
 161         mult     = 1000.0;
 162         prefixes = abbrev ? std::vector<std::string>{"k", "M", "G", "T", "P", "E", "Z", "Y"}
 163                           : std::vector<std::string>{"kilo", "mega", "giga", "tera", "peta", "exa", "zeta", "yotta"};
 164         break;
 165       default:
 166         THROW_IMPOSSIBLE;
 167     }
 168     emplace(unit, value);
 169     for (const auto& prefix : prefixes) {
 170       value *= mult;
 171       emplace(prefix + unit, value);
 172     }
 173   }
 174 }
 175
 176 /* Note: no warning is issued for unit-less values when `name' is empty. */
 177 double surf_parse_get_value_with_unit(const char* string, const unit_scale& units, const char* entity_kind,
 178                                       const std::string& name, const char* error_msg, const char* default_unit)
 179 {
 180   char* endptr;
 181   errno = 0;
 182   double res      = strtod(string, &endptr);
 183   const char* ptr = endptr; // for const-correctness
 184   if (errno == ERANGE)
 185     surf_parse_error(std::string("value out of range: ") + string);
 186   if (ptr == string)
 187     surf_parse_error(std::string("cannot parse number:") + string);
 188   if (ptr[0] == '\0') {
 189     // Ok, 0 can be unit-less
 190     if (res != 0 && not name.empty())
 191       XBT_WARN("Deprecated unit-less value '%s' for %s %s. %s", string, entity_kind, name.c_str(), error_msg);
 192     ptr = default_unit;
 193   }
 194   auto u = units.find(ptr);
 195   if (u == units.end())
 196     surf_parse_error(std::string("unknown unit: ") + ptr);
 197   return res * u->second;
 198 }
 199 }
 200
 201 double surf_parse_get_time(const char* string, const char* entity_kind, const std::string& name)
 202 {
 203   static const unit_scale units{std::make_pair("w", 7 * 24 * 60 * 60),
 204                                 std::make_pair("d", 24 * 60 * 60),
 205                                 std::make_pair("h", 60 * 60),
 206                                 std::make_pair("m", 60),
 207                                 std::make_pair("s", 1.0),
 208                                 std::make_pair("ms", 1e-3),
 209                                 std::make_pair("us", 1e-6),
 210                                 std::make_pair("ns", 1e-9),
 211                                 std::make_pair("ps", 1e-12)};
 212   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 213       "Append 's' to your time to get seconds", "s");
 214 }
 215
 216 double surf_parse_get_size(const char* string, const char* entity_kind, const std::string& name)
 217 {
 218   static const unit_scale units{std::make_tuple("b", 0.125, 2, true), std::make_tuple("b", 0.125, 10, true),
 219                                 std::make_tuple("B", 1.0, 2, true), std::make_tuple("B", 1.0, 10, true)};
 220   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 221       "Append 'B' to get bytes (or 'b' for bits but 1B = 8b).", "B");
 222 }
 223
 224 double surf_parse_get_bandwidth(const char* string, const char* entity_kind, const std::string& name)
 225 {
 226   static const unit_scale units{std::make_tuple("bps", 0.125, 2, true), std::make_tuple("bps", 0.125, 10, true),
 227                                 std::make_tuple("Bps", 1.0, 2, true), std::make_tuple("Bps", 1.0, 10, true)};
 228   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 229       "Append 'Bps' to get bytes per second (or 'bps' for bits but 1Bps = 8bps)", "Bps");
 230 }
 231
 232 std::vector<double> surf_parse_get_bandwidths(const char* string, const char* entity_kind, const std::string& name)
 233 {
 234   static const unit_scale units{std::make_tuple("bps", 0.125, 2, true), std::make_tuple("bps", 0.125, 10, true),
 235                                 std::make_tuple("Bps", 1.0, 2, true), std::make_tuple("Bps", 1.0, 10, true)};
 236
 237   std::vector<double> bandwidths;
 238   std::vector<std::string> tokens;
 239   boost::split(tokens, string, boost::is_any_of(";"));
 240   for (auto token : tokens) {
 241     bandwidths.push_back(surf_parse_get_value_with_unit(
 242         token.c_str(), units, entity_kind, name,
 243         "Append 'Bps' to get bytes per second (or 'bps' for bits but 1Bps = 8bps)", "Bps"));
 244   }
 245
 246   return bandwidths;
 247 }
 248
 249 double surf_parse_get_speed(const char* string, const char* entity_kind, const std::string& name)
 250 {
 251   static const unit_scale units{std::make_tuple("f", 1.0, 10, true), std::make_tuple("flops", 1.0, 10, false)};
 252   return surf_parse_get_value_with_unit(string, units, entity_kind, name,
 253       "Append 'f' or 'flops' to your speed to get flop per second", "f");
 254 }
 255
 256 static std::vector<double> surf_parse_get_all_speeds(char* speeds, const char* entity_kind, const std::string& id)
 257 {
 258
 259   std::vector<double> speed_per_pstate;
 260
 261   if (strchr(speeds, ',') == nullptr){
 262     double speed = surf_parse_get_speed(speeds, entity_kind, id);
 263     speed_per_pstate.push_back(speed);
 264   } else {
 265     std::vector<std::string> pstate_list;
 266     boost::split(pstate_list, speeds, boost::is_any_of(","));
 267     for (auto speed_str : pstate_list) {
 268       boost::trim(speed_str);
 269       double speed = surf_parse_get_speed(speed_str.c_str(), entity_kind, id);
 270       speed_per_pstate.push_back(speed);
 271       XBT_DEBUG("Speed value: %f", speed);
 272     }
 273   }
 274   return speed_per_pstate;
 275 }
 276
 277 /*
 278  * All the callback lists that can be overridden anywhere.
 279  * (this list should probably be reduced to the bare minimum to allow the models to work)
 280  */
 281
 282 /* make sure these symbols are defined as strong ones in this file so that the linker can resolve them */
 283
 284 std::vector<std::unordered_map<std::string, std::string>*> property_sets;
 285
 286 /* The default current property receiver. Setup in the corresponding opening callbacks. */
 287 std::unordered_map<std::string, std::string>* current_model_property_set = nullptr;
 288
 289 FILE *surf_file_to_parse = nullptr;
 290
 291 /* Stuff relative to storage */
 292 void STag_surfxml_storage()
 293 {
 294   XBT_DEBUG("STag_surfxml_storage");
 295   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 296 }
 297
 298 void ETag_surfxml_storage()
 299 {
 300   simgrid::kernel::routing::StorageCreationArgs storage;
 301
 302   storage.properties = property_sets.back();
 303   property_sets.pop_back();
 304
 305   storage.id           = A_surfxml_storage_id;
 306   storage.type_id      = A_surfxml_storage_typeId;
 307   storage.content      = A_surfxml_storage_content;
 308   storage.attach       = A_surfxml_storage_attach;
 309
 310   sg_platf_new_storage(&storage);
 311 }
 312 void STag_surfxml_storage___type()
 313 {
 314   XBT_DEBUG("STag_surfxml_storage___type");
 315   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 316   xbt_assert(current_model_property_set == nullptr, "Someone forgot to reset the model property set to nullptr in its closing tag (or XML malformed)");
 317 }
 318 void ETag_surfxml_storage___type()
 319 {
 320   simgrid::kernel::routing::StorageTypeCreationArgs storage_type;
 321
 322   storage_type.properties = property_sets.back();
 323   property_sets.pop_back();
 324
 325   storage_type.model_properties = current_model_property_set;
 326   current_model_property_set    = nullptr;
 327
 328   storage_type.content = A_surfxml_storage___type_content;
 329   storage_type.id      = A_surfxml_storage___type_id;
 330   storage_type.model   = A_surfxml_storage___type_model;
 331   storage_type.size =
 332       surf_parse_get_size(A_surfxml_storage___type_size, "size of storage type", storage_type.id.c_str());
 333   sg_platf_new_storage_type(&storage_type);
 334 }
 335
 336 void STag_surfxml_mount()
 337 {
 338   XBT_DEBUG("STag_surfxml_mount");
 339 }
 340
 341 void ETag_surfxml_mount()
 342 {
 343   simgrid::kernel::routing::MountCreationArgs mount;
 344
 345   mount.name      = A_surfxml_mount_name;
 346   mount.storageId = A_surfxml_mount_storageId;
 347   sg_platf_new_mount(&mount);
 348 }
 349
 350 void STag_surfxml_include()
 351 {
 352   xbt_die("<include> tag was removed in SimGrid v3.18. Please stop using it now.");
 353 }
 354
 355 void ETag_surfxml_include()
 356 {
 357   /* Won't happen since <include> is now removed since v3.18. */
 358 }
 359
 360 /* Stag and Etag parse functions */
 361 void STag_surfxml_platform() {
 362   XBT_ATTRIB_UNUSED double version = surf_parse_get_double(A_surfxml_platform_version);
 363
 364   xbt_assert((version >= 1.0), "******* BIG FAT WARNING *********\n "
 365       "You're using an ancient XML file.\n"
 366       "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 367       "instead of MBytes, MFlops and seconds.\n"
 368
 369       "Use simgrid_update_xml to update your file automatically. "
 370       "This program is installed automatically with SimGrid, or "
 371       "available in the tools/ directory of the source archive.\n"
 372
 373       "Please check also out the SURF section of the ChangeLog for "
 374       "the 3.1 version for more information. \n"
 375
 376       "Last, do not forget to also update your values for "
 377       "the calls to MSG_task_create (if any).");
 378   xbt_assert((version >= 3.0), "******* BIG FAT WARNING *********\n "
 379       "You're using an old XML file.\n"
 380       "Use simgrid_update_xml to update your file automatically. "
 381       "This program is installed automatically with SimGrid, or "
 382       "available in the tools/ directory of the source archive.");
 383   xbt_assert((version >= 4.0),
 384              "******* FILE %s IS TOO OLD (v:%.1f) *********\n "
 385              "Changes introduced in SimGrid 3.13:\n"
 386              "  - 'power' attribute of hosts (and others) got renamed to 'speed'.\n"
 387              "  - In <trace_connect>, attribute kind=\"POWER\" is now kind=\"SPEED\".\n"
 388              "  - DOCTYPE now point to the rignt URL.\n"
 389              "  - speed, bandwidth and latency attributes now MUST have an explicit unit (f, Bps, s by default)"
 390              "\n\n"
 391              "Use simgrid_update_xml to update your file automatically. "
 392              "This program is installed automatically with SimGrid, or "
 393              "available in the tools/ directory of the source archive.",
 394              surf_parsed_filename.c_str(), version);
 395   if (version < 4.1) {
 396     XBT_INFO("You're using a v%.1f XML file (%s) while the current standard is v4.1 "
 397              "That's fine, the new version is backward compatible. \n\n"
 398              "Use simgrid_update_xml to update your file automatically to get rid of this warning. "
 399              "This program is installed automatically with SimGrid, or "
 400              "available in the tools/ directory of the source archive.",
 401              version, surf_parsed_filename.c_str());
 402   }
 403   xbt_assert(version <= 4.1,
 404              "******* FILE %s COMES FROM THE FUTURE (v:%.1f) *********\n "
 405              "The most recent formalism that this version of SimGrid understands is v4.1.\n"
 406              "Please update your code, or use another, more adapted, file.",
 407              surf_parsed_filename.c_str(), version);
 408 }
 409 void ETag_surfxml_platform(){
 410   simgrid::s4u::Engine::on_platform_created();
 411 }
 412
 413 void STag_surfxml_host(){
 414   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 415 }
 416
 417 void STag_surfxml_prop()
 418 {
 419   property_sets.back()->insert({A_surfxml_prop_id, A_surfxml_prop_value});
 420   XBT_DEBUG("add prop %s=%s into current property set %p", A_surfxml_prop_id, A_surfxml_prop_value,
 421             property_sets.back());
 422 }
 423
 424 void ETag_surfxml_host()    {
 425   simgrid::kernel::routing::HostCreationArgs host;
 426
 427   host.properties = property_sets.back();
 428   property_sets.pop_back();
 429
 430   host.id = A_surfxml_host_id;
 431
 432   host.speed_per_pstate = surf_parse_get_all_speeds(A_surfxml_host_speed, "speed of host", host.id);
 433
 434   XBT_DEBUG("pstate: %s", A_surfxml_host_pstate);
 435   host.core_amount = surf_parse_get_int(A_surfxml_host_core);
 436
 437   host.speed_trace = nullptr;
 438   if (A_surfxml_host_availability___file[0] != '\0') {
 439     XBT_WARN("The availability_file attribute in <host> is now deprecated. Please, use 'speed_file' instead.");
 440     host.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_host_availability___file);
 441   }
 442   if (A_surfxml_host_speed___file[0] != '\0')
 443     host.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_host_speed___file);
 444   host.state_trace = A_surfxml_host_state___file[0]
 445                          ? simgrid::kernel::profile::Profile::from_file(A_surfxml_host_state___file)
 446                          : nullptr;
 447   host.pstate      = surf_parse_get_int(A_surfxml_host_pstate);
 448   host.coord       = A_surfxml_host_coordinates;
 449   host.disks.swap(parsed_disk_list);
 450
 451   sg_platf_new_host(&host);
 452 }
 453
 454 void STag_surfxml_disk() {
 455   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 456 }
 457
 458 void ETag_surfxml_disk() {
 459   simgrid::kernel::routing::DiskCreationArgs disk;
 460   disk.properties = property_sets.back();
 461   property_sets.pop_back();
 462
 463   disk.id       = A_surfxml_disk_id;
 464   disk.read_bw  = surf_parse_get_bandwidth(A_surfxml_disk_read___bw, "read_bw of disk ", disk.id);
 465   disk.write_bw = surf_parse_get_bandwidth(A_surfxml_disk_write___bw, "write_bw of disk ", disk.id);
 466
 467   parsed_disk_list.push_back(sg_platf_new_disk(&disk));
 468 }
 469
 470 void STag_surfxml_host___link(){
 471   XBT_DEBUG("Create a Host_link for %s",A_surfxml_host___link_id);
 472   simgrid::kernel::routing::HostLinkCreationArgs host_link;
 473
 474   host_link.id        = A_surfxml_host___link_id;
 475   host_link.link_up   = A_surfxml_host___link_up;
 476   host_link.link_down = A_surfxml_host___link_down;
 477   sg_platf_new_hostlink(&host_link);
 478 }
 479
 480 void STag_surfxml_router(){
 481   sg_platf_new_router(A_surfxml_router_id, A_surfxml_router_coordinates);
 482 }
 483
 484 void ETag_surfxml_cluster(){
 485   simgrid::kernel::routing::ClusterCreationArgs cluster;
 486   cluster.properties = property_sets.back();
 487   property_sets.pop_back();
 488
 489   cluster.id          = A_surfxml_cluster_id;
 490   cluster.prefix      = A_surfxml_cluster_prefix;
 491   cluster.suffix      = A_surfxml_cluster_suffix;
 492   cluster.radicals    = explodesRadical(A_surfxml_cluster_radical);
 493   cluster.speeds      = surf_parse_get_all_speeds(A_surfxml_cluster_speed, "speed of cluster", cluster.id);
 494   cluster.core_amount = surf_parse_get_int(A_surfxml_cluster_core);
 495   cluster.bw          = surf_parse_get_bandwidth(A_surfxml_cluster_bw, "bw of cluster", cluster.id);
 496   cluster.lat         = surf_parse_get_time(A_surfxml_cluster_lat, "lat of cluster", cluster.id);
 497   if(strcmp(A_surfxml_cluster_bb___bw,""))
 498     cluster.bb_bw = surf_parse_get_bandwidth(A_surfxml_cluster_bb___bw, "bb_bw of cluster", cluster.id);
 499   if(strcmp(A_surfxml_cluster_bb___lat,""))
 500     cluster.bb_lat = surf_parse_get_time(A_surfxml_cluster_bb___lat, "bb_lat of cluster", cluster.id);
 501   if(strcmp(A_surfxml_cluster_limiter___link,""))
 502     cluster.limiter_link = surf_parse_get_bandwidth(A_surfxml_cluster_limiter___link, "limiter_link of cluster", cluster.id);
 503   if(strcmp(A_surfxml_cluster_loopback___bw,""))
 504     cluster.loopback_bw = surf_parse_get_bandwidth(A_surfxml_cluster_loopback___bw, "loopback_bw of cluster", cluster.id);
 505   if(strcmp(A_surfxml_cluster_loopback___lat,""))
 506     cluster.loopback_lat = surf_parse_get_time(A_surfxml_cluster_loopback___lat, "loopback_lat of cluster", cluster.id);
 507
 508   switch(AX_surfxml_cluster_topology){
 509   case A_surfxml_cluster_topology_FLAT:
 510     cluster.topology = simgrid::kernel::routing::ClusterTopology::FLAT;
 511     break;
 512   case A_surfxml_cluster_topology_TORUS:
 513     cluster.topology = simgrid::kernel::routing::ClusterTopology::TORUS;
 514     break;
 515   case A_surfxml_cluster_topology_FAT___TREE:
 516     cluster.topology = simgrid::kernel::routing::ClusterTopology::FAT_TREE;
 517     break;
 518   case A_surfxml_cluster_topology_DRAGONFLY:
 519     cluster.topology = simgrid::kernel::routing::ClusterTopology::DRAGONFLY;
 520     break;
 521   default:
 522     surf_parse_error(std::string("Invalid cluster topology for cluster ") + cluster.id);
 523   }
 524   cluster.topo_parameters = A_surfxml_cluster_topo___parameters;
 525   cluster.router_id = A_surfxml_cluster_router___id;
 526
 527   switch (AX_surfxml_cluster_sharing___policy) {
 528   case A_surfxml_cluster_sharing___policy_SHARED:
 529     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::SHARED;
 530     break;
 531   case A_surfxml_cluster_sharing___policy_FULLDUPLEX:
 532     XBT_WARN("FULLDUPLEX is now deprecated. Please update your platform file to use SPLITDUPLEX instead.");
 533     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 534     break;
 535   case A_surfxml_cluster_sharing___policy_SPLITDUPLEX:
 536     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 537     break;
 538   case A_surfxml_cluster_sharing___policy_FATPIPE:
 539     cluster.sharing_policy = simgrid::s4u::Link::SharingPolicy::FATPIPE;
 540     break;
 541   default:
 542     surf_parse_error(std::string("Invalid cluster sharing policy for cluster ") + cluster.id);
 543   }
 544   switch (AX_surfxml_cluster_bb___sharing___policy) {
 545   case A_surfxml_cluster_bb___sharing___policy_FATPIPE:
 546     cluster.bb_sharing_policy = simgrid::s4u::Link::SharingPolicy::FATPIPE;
 547     break;
 548   case A_surfxml_cluster_bb___sharing___policy_SHARED:
 549     cluster.bb_sharing_policy = simgrid::s4u::Link::SharingPolicy::SHARED;
 550     break;
 551   default:
 552     surf_parse_error(std::string("Invalid bb sharing policy in cluster ") + cluster.id);
 553   }
 554
 555   sg_platf_new_cluster(&cluster);
 556 }
 557
 558 void STag_surfxml_cluster(){
 559   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 560 }
 561
 562 void STag_surfxml_cabinet(){
 563   simgrid::kernel::routing::CabinetCreationArgs cabinet;
 564   cabinet.id      = A_surfxml_cabinet_id;
 565   cabinet.prefix  = A_surfxml_cabinet_prefix;
 566   cabinet.suffix  = A_surfxml_cabinet_suffix;
 567   cabinet.speed    = surf_parse_get_speed(A_surfxml_cabinet_speed, "speed of cabinet", cabinet.id.c_str());
 568   cabinet.bw       = surf_parse_get_bandwidth(A_surfxml_cabinet_bw, "bw of cabinet", cabinet.id.c_str());
 569   cabinet.lat      = surf_parse_get_time(A_surfxml_cabinet_lat, "lat of cabinet", cabinet.id.c_str());
 570   cabinet.radicals = explodesRadical(A_surfxml_cabinet_radical);
 571
 572   sg_platf_new_cabinet(&cabinet);
 573 }
 574
 575 void STag_surfxml_peer(){
 576   simgrid::kernel::routing::PeerCreationArgs peer;
 577
 578   peer.id          = std::string(A_surfxml_peer_id);
 579   peer.speed       = surf_parse_get_speed(A_surfxml_peer_speed, "speed of peer", peer.id.c_str());
 580   peer.bw_in       = surf_parse_get_bandwidth(A_surfxml_peer_bw___in, "bw_in of peer", peer.id.c_str());
 581   peer.bw_out      = surf_parse_get_bandwidth(A_surfxml_peer_bw___out, "bw_out of peer", peer.id.c_str());
 582   peer.coord       = A_surfxml_peer_coordinates;
 583   peer.speed_trace = nullptr;
 584   if (A_surfxml_peer_availability___file[0] != '\0') {
 585     XBT_WARN("The availability_file attribute in <peer> is now deprecated. Please, use 'speed_file' instead.");
 586     peer.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_peer_availability___file);
 587   }
 588   if (A_surfxml_peer_speed___file[0] != '\0')
 589     peer.speed_trace = simgrid::kernel::profile::Profile::from_file(A_surfxml_peer_speed___file);
 590   peer.state_trace = A_surfxml_peer_state___file[0]
 591                          ? simgrid::kernel::profile::Profile::from_file(A_surfxml_peer_state___file)
 592                          : nullptr;
 593
 594   if (A_surfxml_peer_lat[0] != '\0')
 595     XBT_WARN("The latency attribute in <peer> is now deprecated. Use the z coordinate instead of '%s'.",
 596              A_surfxml_peer_lat);
 597
 598   sg_platf_new_peer(&peer);
 599 }
 600
 601 void STag_surfxml_link(){
 602   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 603 }
 604
 605 void ETag_surfxml_link(){
 606   simgrid::kernel::routing::LinkCreationArgs link;
 607
 608   link.properties = property_sets.back();
 609   property_sets.pop_back();
 610
 611   link.id                  = std::string(A_surfxml_link_id);
 612   link.bandwidths          = surf_parse_get_bandwidths(A_surfxml_link_bandwidth, "bandwidth of link", link.id.c_str());
 613   link.bandwidth_trace     = A_surfxml_link_bandwidth___file[0]
 614                              ? simgrid::kernel::profile::Profile::from_file(A_surfxml_link_bandwidth___file)
 615                              : nullptr;
 616   link.latency             = surf_parse_get_time(A_surfxml_link_latency, "latency of link", link.id.c_str());
 617   link.latency_trace       = A_surfxml_link_latency___file[0]
 618                            ? simgrid::kernel::profile::Profile::from_file(A_surfxml_link_latency___file)
 619                            : nullptr;
 620   link.state_trace = A_surfxml_link_state___file[0]
 621                          ? simgrid::kernel::profile::Profile::from_file(A_surfxml_link_state___file)
 622                          : nullptr;
 623
 624   switch (A_surfxml_link_sharing___policy) {
 625   case A_surfxml_link_sharing___policy_SHARED:
 626     link.policy = simgrid::s4u::Link::SharingPolicy::SHARED;
 627     break;
 628   case A_surfxml_link_sharing___policy_FATPIPE:
 629     link.policy = simgrid::s4u::Link::SharingPolicy::FATPIPE;
 630     break;
 631   case A_surfxml_link_sharing___policy_FULLDUPLEX:
 632     XBT_WARN("FULLDUPLEX is now deprecated. Please update your platform file to use SPLITDUPLEX instead.");
 633     link.policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 634     break;
 635   case A_surfxml_link_sharing___policy_SPLITDUPLEX:
 636     link.policy = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
 637     break;
 638   case A_surfxml_link_sharing___policy_WIFI:
 639     link.policy = simgrid::s4u::Link::SharingPolicy::WIFI;
 640     break;
 641   default:
 642     surf_parse_error(std::string("Invalid sharing policy in link ") + link.id);
 643   }
 644
 645   sg_platf_new_link(&link);
 646 }
 647
 648 void STag_surfxml_link___ctn()
 649 {
 650   simgrid::kernel::resource::LinkImpl* link = nullptr;
 651   switch (A_surfxml_link___ctn_direction) {
 652   case AU_surfxml_link___ctn_direction:
 653   case A_surfxml_link___ctn_direction_NONE:
 654     link = simgrid::s4u::Link::by_name(std::string(A_surfxml_link___ctn_id))->get_impl();
 655     break;
 656   case A_surfxml_link___ctn_direction_UP:
 657     link = simgrid::s4u::Link::by_name(std::string(A_surfxml_link___ctn_id) + "_UP")->get_impl();
 658     break;
 659   case A_surfxml_link___ctn_direction_DOWN:
 660     link = simgrid::s4u::Link::by_name(std::string(A_surfxml_link___ctn_id) + "_DOWN")->get_impl();
 661     break;
 662   default:
 663     surf_parse_error(std::string("Invalid direction for link ") + A_surfxml_link___ctn_id);
 664   }
 665
 666   const char* dirname = "";
 667   switch (A_surfxml_link___ctn_direction) {
 668     case A_surfxml_link___ctn_direction_UP:
 669       dirname = " (upward)";
 670       break;
 671     case A_surfxml_link___ctn_direction_DOWN:
 672       dirname = " (downward)";
 673       break;
 674     default:
 675       dirname = "";
 676   }
 677   surf_parse_assert(link != nullptr, std::string("No such link: '") + A_surfxml_link___ctn_id + "'" + dirname);
 678   parsed_link_list.push_back(link);
 679 }
 680
 681 void ETag_surfxml_backbone(){
 682   simgrid::kernel::routing::LinkCreationArgs link;
 683
 684   link.properties = nullptr;
 685   link.id = std::string(A_surfxml_backbone_id);
 686   link.bandwidths.push_back(
 687       surf_parse_get_bandwidth(A_surfxml_backbone_bandwidth, "bandwidth of backbone", link.id.c_str()));
 688   link.latency = surf_parse_get_time(A_surfxml_backbone_latency, "latency of backbone", link.id.c_str());
 689   link.policy     = simgrid::s4u::Link::SharingPolicy::SHARED;
 690
 691   sg_platf_new_link(&link);
 692   routing_cluster_add_backbone(simgrid::s4u::Link::by_name(std::string(A_surfxml_backbone_id))->get_impl());
 693 }
 694
 695 void STag_surfxml_route(){
 696   surf_parse_assert_netpoint(A_surfxml_route_src, "Route src='", "' does name a node.");
 697   surf_parse_assert_netpoint(A_surfxml_route_dst, "Route dst='", "' does name a node.");
 698 }
 699
 700 void STag_surfxml_ASroute(){
 701   surf_parse_assert_netpoint(A_surfxml_ASroute_src, "ASroute src='", "' does name a node.");
 702   surf_parse_assert_netpoint(A_surfxml_ASroute_dst, "ASroute dst='", "' does name a node.");
 703
 704   surf_parse_assert_netpoint(A_surfxml_ASroute_gw___src, "ASroute gw_src='", "' does name a node.");
 705   surf_parse_assert_netpoint(A_surfxml_ASroute_gw___dst, "ASroute gw_dst='", "' does name a node.");
 706 }
 707 void STag_surfxml_zoneRoute(){
 708   surf_parse_assert_netpoint(A_surfxml_zoneRoute_src, "zoneRoute src='", "' does name a node.");
 709   surf_parse_assert_netpoint(A_surfxml_zoneRoute_dst, "zoneRoute dst='", "' does name a node.");
 710   surf_parse_assert_netpoint(A_surfxml_zoneRoute_gw___src, "zoneRoute gw_src='", "' does name a node.");
 711   surf_parse_assert_netpoint(A_surfxml_zoneRoute_gw___dst, "zoneRoute gw_dst='", "' does name a node.");
 712 }
 713
 714 void STag_surfxml_bypassRoute(){
 715   surf_parse_assert_netpoint(A_surfxml_bypassRoute_src, "bypassRoute src='", "' does name a node.");
 716   surf_parse_assert_netpoint(A_surfxml_bypassRoute_dst, "bypassRoute dst='", "' does name a node.");
 717 }
 718
 719 void STag_surfxml_bypassASroute(){
 720   surf_parse_assert_netpoint(A_surfxml_bypassASroute_src, "bypassASroute src='", "' does name a node.");
 721   surf_parse_assert_netpoint(A_surfxml_bypassASroute_dst, "bypassASroute dst='", "' does name a node.");
 722   surf_parse_assert_netpoint(A_surfxml_bypassASroute_gw___src, "bypassASroute gw_src='", "' does name a node.");
 723   surf_parse_assert_netpoint(A_surfxml_bypassASroute_gw___dst, "bypassASroute gw_dst='", "' does name a node.");
 724 }
 725 void STag_surfxml_bypassZoneRoute(){
 726   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_src, "bypassZoneRoute src='", "' does name a node.");
 727   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_dst, "bypassZoneRoute dst='", "' does name a node.");
 728   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_gw___src, "bypassZoneRoute gw_src='", "' does name a node.");
 729   surf_parse_assert_netpoint(A_surfxml_bypassZoneRoute_gw___dst, "bypassZoneRoute gw_dst='", "' does name a node.");
 730 }
 731
 732 void ETag_surfxml_route(){
 733   simgrid::kernel::routing::RouteCreationArgs route;
 734
 735   route.src         = sg_netpoint_by_name_or_null(A_surfxml_route_src); // tested to not be nullptr in start tag
 736   route.dst         = sg_netpoint_by_name_or_null(A_surfxml_route_dst); // tested to not be nullptr in start tag
 737   route.gw_src    = nullptr;
 738   route.gw_dst    = nullptr;
 739   route.symmetrical = (A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES);
 740
 741   route.link_list.swap(parsed_link_list);
 742
 743   sg_platf_new_route(&route);
 744 }
 745
 746 void ETag_surfxml_ASroute()
 747 {
 748   AX_surfxml_zoneRoute_src = AX_surfxml_ASroute_src;
 749   AX_surfxml_zoneRoute_dst = AX_surfxml_ASroute_dst;
 750   AX_surfxml_zoneRoute_gw___src = AX_surfxml_ASroute_gw___src;
 751   AX_surfxml_zoneRoute_gw___dst = AX_surfxml_ASroute_gw___dst;
 752   AX_surfxml_zoneRoute_symmetrical = (AT_surfxml_zoneRoute_symmetrical)AX_surfxml_ASroute_symmetrical;
 753   ETag_surfxml_zoneRoute();
 754 }
 755 void ETag_surfxml_zoneRoute()
 756 {
 757   simgrid::kernel::routing::RouteCreationArgs ASroute;
 758
 759   ASroute.src = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_src); // tested to not be nullptr in start tag
 760   ASroute.dst = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_dst); // tested to not be nullptr in start tag
 761
 762   ASroute.gw_src = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_gw___src); // tested to not be nullptr in start tag
 763   ASroute.gw_dst = sg_netpoint_by_name_or_null(A_surfxml_zoneRoute_gw___dst); // tested to not be nullptr in start tag
 764
 765   ASroute.link_list.swap(parsed_link_list);
 766
 767   switch (A_surfxml_zoneRoute_symmetrical) {
 768   case AU_surfxml_zoneRoute_symmetrical:
 769   case A_surfxml_zoneRoute_symmetrical_YES:
 770     ASroute.symmetrical = true;
 771     break;
 772   case A_surfxml_zoneRoute_symmetrical_NO:
 773     ASroute.symmetrical = false;
 774     break;
 775   default:
 776     THROW_IMPOSSIBLE;
 777   }
 778
 779   sg_platf_new_route(&ASroute);
 780 }
 781
 782 void ETag_surfxml_bypassRoute(){
 783   simgrid::kernel::routing::RouteCreationArgs route;
 784
 785   route.src         = sg_netpoint_by_name_or_null(A_surfxml_bypassRoute_src); // tested to not be nullptr in start tag
 786   route.dst         = sg_netpoint_by_name_or_null(A_surfxml_bypassRoute_dst); // tested to not be nullptr in start tag
 787   route.gw_src = nullptr;
 788   route.gw_dst = nullptr;
 789   route.symmetrical = false;
 790
 791   route.link_list.swap(parsed_link_list);
 792
 793   sg_platf_new_bypassRoute(&route);
 794 }
 795
 796 void ETag_surfxml_bypassASroute()
 797 {
 798   AX_surfxml_bypassZoneRoute_src = AX_surfxml_bypassASroute_src;
 799   AX_surfxml_bypassZoneRoute_dst = AX_surfxml_bypassASroute_dst;
 800   AX_surfxml_bypassZoneRoute_gw___src = AX_surfxml_bypassASroute_gw___src;
 801   AX_surfxml_bypassZoneRoute_gw___dst = AX_surfxml_bypassASroute_gw___dst;
 802   ETag_surfxml_bypassZoneRoute();
 803 }
 804 void ETag_surfxml_bypassZoneRoute()
 805 {
 806   simgrid::kernel::routing::RouteCreationArgs ASroute;
 807
 808   ASroute.src         = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_src);
 809   ASroute.dst         = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_dst);
 810   ASroute.link_list.swap(parsed_link_list);
 811
 812   ASroute.symmetrical = false;
 813
 814   ASroute.gw_src = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_gw___src);
 815   ASroute.gw_dst = sg_netpoint_by_name_or_null(A_surfxml_bypassZoneRoute_gw___dst);
 816
 817   sg_platf_new_bypassRoute(&ASroute);
 818 }
 819
 820 void ETag_surfxml_trace(){
 821   simgrid::kernel::routing::ProfileCreationArgs trace;
 822
 823   trace.id = A_surfxml_trace_id;
 824   trace.file = A_surfxml_trace_file;
 825   trace.periodicity = surf_parse_get_double(A_surfxml_trace_periodicity);
 826   trace.pc_data = surfxml_pcdata;
 827
 828   sg_platf_new_trace(&trace);
 829 }
 830
 831 void STag_surfxml_trace___connect()
 832 {
 833   simgrid::kernel::routing::TraceConnectCreationArgs trace_connect;
 834
 835   trace_connect.element = A_surfxml_trace___connect_element;
 836   trace_connect.trace = A_surfxml_trace___connect_trace;
 837
 838   switch (A_surfxml_trace___connect_kind) {
 839   case AU_surfxml_trace___connect_kind:
 840   case A_surfxml_trace___connect_kind_SPEED:
 841     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::SPEED;
 842     break;
 843   case A_surfxml_trace___connect_kind_BANDWIDTH:
 844     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::BANDWIDTH;
 845     break;
 846   case A_surfxml_trace___connect_kind_HOST___AVAIL:
 847     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::HOST_AVAIL;
 848     break;
 849   case A_surfxml_trace___connect_kind_LATENCY:
 850     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::LATENCY;
 851     break;
 852   case A_surfxml_trace___connect_kind_LINK___AVAIL:
 853     trace_connect.kind = simgrid::kernel::routing::TraceConnectKind::LINK_AVAIL;
 854     break;
 855   default:
 856     surf_parse_error("Invalid trace kind");
 857   }
 858   sg_platf_trace_connect(&trace_connect);
 859 }
 860
 861 void STag_surfxml_AS()
 862 {
 863   AX_surfxml_zone_id = AX_surfxml_AS_id;
 864   AX_surfxml_zone_routing = (AT_surfxml_zone_routing)AX_surfxml_AS_routing;
 865   STag_surfxml_zone();
 866 }
 867
 868 void ETag_surfxml_AS()
 869 {
 870   ETag_surfxml_zone();
 871 }
 872
 873 void STag_surfxml_zone()
 874 {
 875   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 876   simgrid::kernel::routing::ZoneCreationArgs zone;
 877   zone.id      = A_surfxml_zone_id;
 878   zone.routing = static_cast<int>(A_surfxml_zone_routing);
 879   sg_platf_new_Zone_begin(&zone);
 880 }
 881
 882 void ETag_surfxml_zone()
 883 {
 884   sg_platf_new_Zone_set_properties(property_sets.back());
 885   delete property_sets.back();
 886   property_sets.pop_back();
 887
 888   sg_platf_new_Zone_seal();
 889 }
 890
 891 void STag_surfxml_config()
 892 {
 893   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 894   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
 895   if (_sg_cfg_init_status == 2) {
 896     surf_parse_error("All <config> tags must be given before any platform elements (such as <zone>, <host>, <cluster>, "
 897                      "<link>, etc).");
 898   }
 899 }
 900
 901 void ETag_surfxml_config()
 902 {
 903   // Sort config elements before applying.
 904   // That's a little waste of time, but not doing so would break the tests
 905   auto current_property_set = property_sets.back();
 906
 907   std::vector<std::string> keys;
 908   for (auto const& kv : *current_property_set) {
 909     keys.push_back(kv.first);
 910   }
 911   std::sort(keys.begin(), keys.end());
 912   for (std::string key : keys) {
 913     if (simgrid::config::is_default(key.c_str())) {
 914       std::string cfg = key + ":" + current_property_set->at(key);
 915       simgrid::config::set_parse(std::move(cfg));
 916     } else
 917       XBT_INFO("The custom configuration '%s' is already defined by user!", key.c_str());
 918   }
 919   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
 920
 921   delete current_property_set;
 922   property_sets.pop_back();
 923 }
 924
 925 static std::vector<std::string> arguments;
 926
 927 void STag_surfxml_process()
 928 {
 929   AX_surfxml_actor_function = AX_surfxml_process_function;
 930   STag_surfxml_actor();
 931 }
 932
 933 void STag_surfxml_actor()
 934 {
 935   property_sets.push_back(new std::unordered_map<std::string, std::string>());
 936   arguments.assign(1, A_surfxml_actor_function);
 937 }
 938
 939 void ETag_surfxml_process()
 940 {
 941   AX_surfxml_actor_host = AX_surfxml_process_host;
 942   AX_surfxml_actor_function = AX_surfxml_process_function;
 943   AX_surfxml_actor_start___time = AX_surfxml_process_start___time;
 944   AX_surfxml_actor_kill___time = AX_surfxml_process_kill___time;
 945   AX_surfxml_actor_on___failure = (AT_surfxml_actor_on___failure)AX_surfxml_process_on___failure;
 946   ETag_surfxml_actor();
 947 }
 948
 949 void ETag_surfxml_actor()
 950 {
 951   simgrid::kernel::routing::ActorCreationArgs actor;
 952
 953   actor.properties = property_sets.back();
 954   property_sets.pop_back();
 955
 956   actor.args.swap(arguments);
 957   actor.host       = A_surfxml_actor_host;
 958   actor.function   = A_surfxml_actor_function;
 959   actor.start_time = surf_parse_get_double(A_surfxml_actor_start___time);
 960   actor.kill_time  = surf_parse_get_double(A_surfxml_actor_kill___time);
 961
 962   switch (A_surfxml_actor_on___failure) {
 963   case AU_surfxml_actor_on___failure:
 964   case A_surfxml_actor_on___failure_DIE:
 965     actor.on_failure = simgrid::kernel::routing::ActorOnFailure::DIE;
 966     break;
 967   case A_surfxml_actor_on___failure_RESTART:
 968     actor.on_failure = simgrid::kernel::routing::ActorOnFailure::RESTART;
 969     break;
 970   default:
 971     surf_parse_error("Invalid on failure behavior");
 972   }
 973
 974   sg_platf_new_actor(&actor);
 975 }
 976
 977 void STag_surfxml_argument(){
 978   arguments.push_back(A_surfxml_argument_value);
 979 }
 980
 981 void STag_surfxml_model___prop(){
 982   if (not current_model_property_set)
 983     current_model_property_set = new std::unordered_map<std::string, std::string>();
 984
 985   current_model_property_set->insert({A_surfxml_model___prop_id, A_surfxml_model___prop_value});
 986 }
 987
 988 void ETag_surfxml_prop(){/* Nothing to do */}
 989 void STag_surfxml_random(){/* Nothing to do */}
 990 void ETag_surfxml_random(){/* Nothing to do */}
 991 void ETag_surfxml_trace___connect(){/* Nothing to do */}
 992 void STag_surfxml_trace()
 993 { /* Nothing to do */
 994 }
 995 void ETag_surfxml_router(){/*Nothing to do*/}
 996 void ETag_surfxml_host___link(){/* Nothing to do */}
 997 void ETag_surfxml_cabinet(){/* Nothing to do */}
 998 void ETag_surfxml_peer(){/* Nothing to do */}
 999 void STag_surfxml_backbone(){/* Nothing to do */}
1000 void ETag_surfxml_link___ctn(){/* Nothing to do */}
1001 void ETag_surfxml_argument(){/* Nothing to do */}
1002 void ETag_surfxml_model___prop(){/* Nothing to do */}
1003
1004 /* Open and Close parse file */
1005 YY_BUFFER_STATE surf_input_buffer;
1006
1007 void surf_parse_open(const std::string& file)
1008 {
1009   surf_parsed_filename = file;
1010   std::string dir      = simgrid::xbt::Path(file).get_dir_name();
1011   surf_path.push_back(dir);
1012
1013   surf_file_to_parse = surf_fopen(file, "r");
1014   if (surf_file_to_parse == nullptr) {
1015     std::string cwd = simgrid::xbt::Path().get_name();
1016     xbt_die("Unable to open '%s' from '%s'\n", file.c_str(), cwd.c_str());
1017   }
1018   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, YY_BUF_SIZE);
1019   surf_parse__switch_to_buffer(surf_input_buffer);
1020   surf_parse_lineno = 1;
1021 }
1022
1023 void surf_parse_close()
1024 {
1025   surf_path.pop_back(); // remove the dirname of the opened file, that was added in surf_parse_open()
1026
1027   if (surf_file_to_parse) {
1028     surf_parse__delete_buffer(surf_input_buffer);
1029     fclose(surf_file_to_parse);
1030     surf_file_to_parse = nullptr; //Must be reset for Bypass
1031   }
1032 }
1033
1034 /* Call the lexer to parse the currently opened file */
1035 int surf_parse()
1036 {
1037   return surf_parse_lex();
1038 }