+#include "simgrid/s4u/Engine.hpp"
+#include "simgrid/s4u/Host.hpp"
+#include "simgrid/s4u/Mailbox.hpp"
+#include "simgrid/s4u/NetZone.hpp"
+#include "simgrid/s4u/Storage.hpp"
+#include "simgrid/simix.h"
+#include "src/kernel/EngineImpl.hpp"
+#include "src/kernel/routing/NetPoint.hpp"
+#include "src/kernel/routing/NetZoneImpl.hpp"
+#include "src/surf/network_interface.hpp"
+#include "surf/surf.hpp" // routing_platf. FIXME:KILLME. SOON
+
+XBT_LOG_NEW_CATEGORY(s4u,"Log channels of the S4U (Simgrid for you) interface");
+
+namespace simgrid {
+namespace s4u {
+xbt::signal<void()> onPlatformCreated;
+xbt::signal<void()> onSimulationEnd;
+xbt::signal<void(double)> onTimeAdvance;
+xbt::signal<void(void)> onDeadlock;
+
+Engine *Engine::instance_ = nullptr; /* That singleton is awful, but I don't see no other solution right now. */
+
+
+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");
+ TRACE_global_init();
+ SIMIX_global_init(argc, argv);
+
+ pimpl = new kernel::EngineImpl();
+ s4u::Engine::instance_ = this;
+}
+
+Engine::~Engine()
+{
+ delete pimpl;
+ s4u::Engine::instance_ = nullptr;
+}
+
+Engine* Engine::getInstance()
+{
+ if (s4u::Engine::instance_ == nullptr)
+ return new Engine(0, nullptr);
+ else
+ return s4u::Engine::instance_;
+}
+
+void Engine::shutdown() {
+ delete s4u::Engine::instance_;
+ s4u::Engine::instance_ = nullptr;
+}
+
+double Engine::getClock()
+{
+ return SIMIX_get_clock();
+}
+
+void Engine::loadPlatform(const char *platf)
+{
+ SIMIX_create_environment(platf);
+}
+
+void Engine::registerFunction(const char*name, int (*code)(int,char**))
+{
+ SIMIX_function_register(name,code);
+}
+void Engine::registerDefault(int (*code)(int,char**))
+{
+ SIMIX_function_register_default(code);
+}
+void Engine::loadDeployment(const char *deploy)
+{
+ SIMIX_launch_application(deploy);
+}
+// FIXME: The following duplicates the content of s4u::Host
+extern std::map<std::string, simgrid::s4u::Host*> host_list;
+/** @brief Returns the amount of hosts in the platform */
+size_t Engine::getHostCount()
+{
+ return host_list.size();
+}
+/** @brief Fills the passed list with all hosts found in the platform */
+void Engine::getHostList(std::vector<Host*>* list)
+{
+ for (auto const& kv : host_list)
+ list->push_back(kv.second);
+}
+/** @brief Returns the amount of links in the platform */
+size_t Engine::getLinkCount()
+{
+ return simgrid::surf::LinkImpl::linksCount();
+}
+/** @brief Fills the passed list with all hosts found in the platform */
+void Engine::getLinkList(std::vector<Link*>* list)
+{
+ simgrid::surf::LinkImpl::linksList(list);
+}
+
+void Engine::run() {
+ if (MC_is_active()) {
+ MC_run();
+ } else {
+ SIMIX_run();
+ }
+}