src/surf/surf_routing.cpp

   1 /* Copyright (c) 2009-2011, 2013-2016. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include <vector>
   8
   9 #include <xbt/signal.hpp>
  10
  11 #include <simgrid/s4u/host.hpp>
  12
  13 #include "src/surf/surf_routing.hpp"
  14
  15 #include "simgrid/sg_config.h"
  16 #include "src/surf/storage_interface.hpp"
  17
  18 #include "src/kernel/routing/AsImpl.hpp"
  19 #include "src/surf/network_interface.hpp"
  20
  21 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  22
  23 namespace simgrid {
  24 namespace kernel {
  25 namespace routing {
  26
  27   /* Callbacks */
  28   simgrid::xbt::signal<void(NetCard*)> netcardCreatedCallbacks;
  29   simgrid::xbt::signal<void(s4u::As*)> asCreatedCallbacks;
  30
  31 }}} // namespace simgrid::kernel::routing
  32
  33 /**
  34  * @ingroup SURF_build_api
  35  * @brief A library containing all known hosts
  36  */
  37
  38 int MSG_FILE_LEVEL = -1;             //Msg file level
  39
  40 int SIMIX_STORAGE_LEVEL = -1;        //Simix storage level
  41 int MSG_STORAGE_LEVEL = -1;          //Msg storage level
  42
  43 xbt_lib_t as_router_lib;
  44 int ROUTING_ASR_LEVEL = -1;          //Routing level
  45 int COORD_ASR_LEVEL = -1;            //Coordinates level
  46 int NS3_ASR_LEVEL = -1;              //host node for ns3
  47 int ROUTING_PROP_ASR_LEVEL = -1;     //Where the properties are stored
  48
  49 /** @brief Retrieve a netcard from its name
  50  *
  51  * Netcards are the thing that connect host or routers to the network
  52  */
  53 simgrid::kernel::routing::NetCard *sg_netcard_by_name_or_null(const char *name)
  54 {
  55   sg_host_t h = sg_host_by_name(name);
  56   simgrid::kernel::routing::NetCard *netcard = h==nullptr ? nullptr: h->pimpl_netcard;
  57   if (!netcard)
  58     netcard = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
  59   return netcard;
  60 }
  61
  62 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
  63 {
  64   tmgr_trace_t tmgr_trace;
  65   if (trace->file && strcmp(trace->file, "") != 0) {
  66     tmgr_trace = tmgr_trace_new_from_file(trace->file);
  67   } else {
  68     xbt_assert(strcmp(trace->pc_data, ""),
  69         "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
  70     tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
  71   }
  72   xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, nullptr);
  73 }
  74
  75 /* ************************************************************************** */
  76 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
  77
  78 static void check_disk_attachment()
  79 {
  80   xbt_lib_cursor_t cursor;
  81   char *key;
  82   void **data;
  83   xbt_lib_foreach(storage_lib, cursor, key, data) {
  84     if (xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != nullptr) {
  85       simgrid::surf::Storage* storage =
  86           static_cast<simgrid::surf::Storage*>(xbt_lib_get_or_null(storage_lib, key, SURF_STORAGE_LEVEL));
  87       simgrid::kernel::routing::NetCard* host_elm = sg_netcard_by_name_or_null(storage->attach_);
  88       if (!host_elm)
  89         surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->attach_);
  90     }
  91   }
  92 }
  93
  94 void routing_register_callbacks()
  95 {
  96   simgrid::surf::on_postparse.connect(check_disk_attachment);
  97
  98   instr_routing_define_callbacks();
  99 }
 100