X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ba9a4cfeba4eb00e84cd17603fc9654e81445655..a15797ea55151ddfdbae48147e74159efe01b411:/src/s4u/s4u_engine.cpp

diff --git a/src/s4u/s4u_engine.cpp b/src/s4u/s4u_engine.cpp
index ca3415a2fc..1f6a490321 100644
--- a/src/s4u/s4u_engine.cpp
+++ b/src/s4u/s4u_engine.cpp
@@ -7,30 +7,57 @@
 
 #include "simgrid/simix.h"
 #include "mc/mc.h"
+#include "simgrid/s4u/As.hpp"
 #include "simgrid/s4u/engine.hpp"
+#include "simgrid/s4u/mailbox.hpp"
+#include "simgrid/s4u/storage.hpp"
 
 XBT_LOG_NEW_CATEGORY(s4u,"Log channels of the S4U (Simgrid for you) interface");
 using namespace simgrid;
 
-double s4u::Engine::getClock() {
-  return SIMIX_get_clock();
-}
+s4u::Engine *s4u::Engine::instance_ = nullptr; /* That singleton is awful, but I don't see no other solution right now. */
+
 
 s4u::Engine::Engine(int *argc, char **argv) {
+  xbt_assert(s4u::Engine::instance_ == nullptr, "It is currently forbidden to create more than one instance of s4u::Engine");
+  s4u::Engine::instance_ = this;
+
   SIMIX_global_init(argc, argv);
 }
 
-void s4u::Engine::loadPlatform(const char *platf) {
+s4u::Engine *s4u::Engine::instance() {
+  if (s4u::Engine::instance_ == nullptr)
+    new Engine(0,nullptr);
+  return s4u::Engine::instance_;
+}
+
+void s4u::Engine::shutdown() {
+  delete s4u::Engine::instance_;
+  s4u::Engine::instance_ = nullptr;
+  delete s4u::Mailbox::mailboxes;
+  delete s4u::Storage::storages_;
+}
+
+double s4u::Engine::getClock()
+{
+  return SIMIX_get_clock();
+}
+
+void s4u::Engine::loadPlatform(const char *platf)
+{
   SIMIX_create_environment(platf);
 }
 
-void s4u::Engine::registerFunction(const char*name, int (*code)(int,char**)) {
+void s4u::Engine::registerFunction(const char*name, int (*code)(int,char**))
+{
   SIMIX_function_register(name,code);
 }
-void s4u::Engine::registerDefault(int (*code)(int,char**)) {
+void s4u::Engine::registerDefault(int (*code)(int,char**))
+{
   SIMIX_function_register_default(code);
 }
-void s4u::Engine::loadDeployment(const char *deploy) {
+void s4u::Engine::loadDeployment(const char *deploy)
+{
   SIMIX_launch_application(deploy);
 }
 
@@ -41,3 +68,32 @@ void s4u::Engine::run() {
     SIMIX_run();
   }
 }
+
+#include "surf/surf.h"               // routing_platf. FIXME:KILLME. SOON
+#include "src/surf/surf_routing.hpp" // routing_platf. FIXME:KILLME. SOON
+
+s4u::As *s4u::Engine::rootAs()
+{
+  return routing_platf->root_; // FIXME: get the root into the Engine directly (and kill the platf)
+}
+
+static s4u::As *asByNameRecursive(s4u::As *current, const char *name)
+{
+  if(!strcmp(current->name(), name))
+    return current;
+
+  xbt_dict_cursor_t cursor = NULL;
+  char *key;
+  AS_t elem;
+  xbt_dict_foreach(current->children(), cursor, key, elem) {
+    simgrid::s4u::As *tmp = asByNameRecursive(elem, name);
+    if (tmp != NULL )
+        return tmp;
+  }
+  return nullptr;
+}
+/** @brief Retrieve the AS of the given name (or nullptr if not found) */
+s4u::As *s4u::Engine::asByNameOrNull(const char *name) {
+  return asByNameRecursive(rootAs(),name);
+}
+