-/* Copyright (c) 2006-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef SIMGRID_S4U_ENGINE_HPP
#define SIMGRID_S4U_ENGINE_HPP
-#include <string>
-#include <utility>
-#include <vector>
-
#include <xbt/base.h>
#include <xbt/functional.hpp>
#include <simgrid/s4u/NetZone.hpp>
+#include <string>
+#include <utility>
+#include <vector>
+
namespace simgrid {
namespace s4u {
/** @brief Simulation engine
*
* This class is an interface to the simulation engine.
*/
-XBT_PUBLIC_CLASS Engine
-{
+class XBT_PUBLIC Engine {
public:
/** Constructor, taking the command line parameters of your main function */
- Engine(int* argc, char** argv);
+ explicit Engine(int* argc, char** argv);
+ /** Currently, only one instance is allowed to exist. This is why you can't copy or move it */
+ Engine(const Engine&) = delete;
+ Engine(Engine&&) = delete;
~Engine();
/** Finalize the default engine and all its dependencies */
static void shutdown();
+ /** @brief Run the simulation */
+ void run();
+
+ /** @brief Retrieve the simulation time (in seconds) */
+ static double get_clock();
+ /** @brief Retrieve the engine singleton */
+ static s4u::Engine* get_instance();
+
/** @brief Load a platform file describing the environment
*
* The environment is either a XML file following the simgrid.dtd formalism, or a lua file.
* Some examples can be found in the directory examples/platforms.
*/
- void loadPlatform(const char* platf);
+ void load_platform(const std::string& platf);
/** Registers the main function of an actor that will be launched from the deployment file */
- void registerFunction(const char* name, int (*code)(int, char**));
+ void register_function(const std::string& name, int (*code)(int, char**));
+ /** Registers the main function of an actor that will be launched from the deployment file */
+ void register_function(const std::string& name, void (*code)(std::vector<std::string>));
/** Registers a function as the default main function of actors
*
* It will be used as fallback when the function requested from the deployment file was not registered.
- * It is used for trace-based simulations (see examples/msg/actions).
+ * It is used for trace-based simulations (see examples/s4u/replay-comms and similar).
*/
- void registerDefault(int (*code)(int, char**));
-
- /** @brief Load a deployment file and launch the actors that it contains */
- void loadDeployment(const char* deploy);
-
-protected:
- friend s4u::Host;
- friend s4u::Storage;
- void addHost(std::string name, simgrid::s4u::Host * host);
- void delHost(std::string name);
- void addStorage(std::string name, simgrid::s4u::Storage * storage);
- void delStorage(std::string name);
-
-public:
- simgrid::s4u::Host* hostByName(std::string name);
- simgrid::s4u::Host* hostByNameOrNull(std::string name);
- simgrid::s4u::Storage* storageByName(std::string name);
- simgrid::s4u::Storage* storageByNameOrNull(std::string name);
-
- size_t getHostCount();
- void getHostList(std::vector<Host*> * whereTo);
- std::vector<Host*> getAllHosts();
-
- size_t getLinkCount();
- void getLinkList(std::vector<Link*> * list);
- std::vector<Link*> getAllLinks();
-
- std::vector<Storage*> getAllStorages();
+ void register_default(int (*code)(int, char**));
- /** @brief Run the simulation */
- void run();
-
- /** @brief Retrieve the simulation time */
- static double getClock();
-
- /** @brief Retrieve the engine singleton */
- static s4u::Engine* getInstance();
-
- /** @brief Retrieve the root netzone, containing all others */
- simgrid::s4u::NetZone* getNetRoot();
-
- /** @brief Retrieve the netzone of the given name (or nullptr if not found) */
- simgrid::s4u::NetZone* getNetzoneByNameOrNull(const char* name);
-
- /** @brief Retrieves all netzones of the same type than the subtype of the whereto vector */
- template <class T> void getNetzoneByType(std::vector<T*> * whereto) { netzoneByTypeRecursive(getNetRoot(), whereto); }
- /** @brief Retrieve the netcard of the given name (or nullptr if not found) */
- simgrid::kernel::routing::NetPoint* getNetpointByNameOrNull(std::string name);
- void getNetpointList(std::vector<simgrid::kernel::routing::NetPoint*> * list);
- void netpointRegister(simgrid::kernel::routing::NetPoint * card);
- void netpointUnregister(simgrid::kernel::routing::NetPoint * card);
-
- template <class F> void registerFunction(const char* name)
+ template <class F> void register_actor(const std::string& name)
{
- simgrid::simix::registerFunction(name, [](std::vector<std::string> args) {
- return simgrid::simix::ActorCode([args] {
+ simix::register_function(name, [](std::vector<std::string> args) {
+ return simix::ActorCode([args] {
F code(std::move(args));
code();
});
});
}
- template <class F> void registerFunction(const char* name, F code)
+ template <class F> void register_actor(const std::string& name, F code)
{
- simgrid::simix::registerFunction(name, [code](std::vector<std::string> args) {
- return simgrid::simix::ActorCode([code, args] { code(std::move(args)); });
+ simix::register_function(name, [code](std::vector<std::string> args) {
+ return simix::ActorCode([code, args] { code(std::move(args)); });
});
}
- /** Returns whether SimGrid was initialized yet -- mostly for internal use */
- static bool isInitialized();
+ /** @brief Load a deployment file and launch the actors that it contains */
+ void load_deployment(const std::string& deploy);
+protected:
+#ifndef DOXYGEN
+ friend Host;
+ friend Link;
+ friend Disk;
+ friend Storage;
+ friend kernel::routing::NetPoint;
+ friend kernel::routing::NetZoneImpl;
+ friend kernel::resource::LinkImpl;
+ void host_register(const std::string& name, Host* host);
+ void host_unregister(const std::string& name);
+ void link_register(const std::string& name, Link* link);
+ void link_unregister(const std::string& name);
+ void storage_register(const std::string& name, Storage* storage);
+ void storage_unregister(const std::string& name);
+ void netpoint_register(simgrid::kernel::routing::NetPoint* card);
+ void netpoint_unregister(simgrid::kernel::routing::NetPoint* card);
+#endif /*DOXYGEN*/
+
+public:
+ size_t get_host_count();
+ /** @brief Returns the list of all hosts found in the platform */
+ std::vector<Host*> get_all_hosts();
+ std::vector<Host*> get_filtered_hosts(const std::function<bool(Host*)>& filter);
+ Host* host_by_name(const std::string& name);
+ Host* host_by_name_or_null(const std::string& name);
+
+ size_t get_link_count();
+ std::vector<Link*> get_all_links();
+ std::vector<Link*> get_filtered_links(const std::function<bool(Link*)>& filter);
+ Link* link_by_name(const std::string& name);
+ Link* link_by_name_or_null(const std::string& name);
+
+ size_t get_actor_count();
+ std::vector<ActorPtr> get_all_actors();
+ std::vector<ActorPtr> get_filtered_actors(const std::function<bool(ActorPtr)>& filter);
+
+ size_t get_storage_count();
+ std::vector<Storage*> get_all_storages();
+ Storage* storage_by_name(const std::string& name);
+ Storage* storage_by_name_or_null(const std::string& name);
+
+ std::vector<kernel::routing::NetPoint*> get_all_netpoints();
+ kernel::routing::NetPoint* netpoint_by_name_or_null(const std::string& name);
+
+ NetZone* get_netzone_root();
+ void set_netzone_root(NetZone* netzone);
+
+ NetZone* netzone_by_name_or_null(const std::string& name);
+
+ /** @brief Retrieves all netzones of the type indicated by the template argument */
+ template <class T> std::vector<T*> get_filtered_netzones()
+ {
+ static_assert(std::is_base_of<kernel::routing::NetZoneImpl, T>::value,
+ "Filtering netzones is only possible for subclasses of kernel::routing::NetZoneImpl");
+ std::vector<T*> res;
+ get_filtered_netzones_recursive(get_netzone_root(), &res);
+ return res;
+ }
+
+ /** Returns whether SimGrid was initialized yet -- mostly for internal use */
+ static bool is_initialized();
/** @brief set a configuration variable
*
- * Do --help on any simgrid binary to see the list of currently existing configuration variables (see @ref options).
+ * Do --help on any simgrid binary to see the list of currently existing configuration variables (see also @ref
+ * options).
*
* Example:
- * e->setConfig("host/model","ptask_L07");
+ * e->set_config("host/model:ptask_L07");
*/
- void setConfig(std::string str);
+ void set_config(const std::string& str);
- simgrid::kernel::EngineImpl* pimpl;
+ /** Callback fired when the platform is created (ie, the xml file parsed),
+ * right before the actual simulation starts. */
+ static xbt::signal<void()> on_platform_created;
-private:
- static s4u::Engine* instance_;
-};
+ /** Callback fired when the platform is about to be created
+ * (ie, after any configuration change and just before the resource creation) */
+ static xbt::signal<void()> on_platform_creation;
-/** Callback fired when the platform is created (ie, the xml file parsed),
- * right before the actual simulation starts. */
-extern XBT_PUBLIC xbt::signal<void()> onPlatformCreated;
+ /** Callback fired when the main simulation loop ends, just before the end of Engine::run() */
+ static xbt::signal<void()> on_simulation_end;
-/** Callback fired when the main simulation loop ends, just before MSG_run (or similar) ends */
-extern XBT_PUBLIC xbt::signal<void()> onSimulationEnd;
+ /** Callback fired when the time jumps into the future */
+ static xbt::signal<void(double)> on_time_advance;
-/** Callback fired when the time jumps into the future */
-extern XBT_PUBLIC xbt::signal<void(double)> onTimeAdvance;
+ /** Callback fired when the time cannot advance because of inter-actors deadlock */
+ static xbt::signal<void(void)> on_deadlock;
-/** Callback fired when the time cannot jump because of inter-actors deadlock */
-extern XBT_PUBLIC xbt::signal<void(void)> onDeadlock;
+private:
+ kernel::EngineImpl* const pimpl;
+ static Engine* instance_;
+};
-template <class T> XBT_PRIVATE void netzoneByTypeRecursive(s4u::NetZone* current, std::vector<T*>* whereto)
+#ifndef DOXYGEN /* Internal use only, no need to expose it */
+template <class T> XBT_PRIVATE void get_filtered_netzones_recursive(s4u::NetZone* current, std::vector<T*>* whereto)
{
- for (auto const& elem : *(current->getChildren())) {
- netzoneByTypeRecursive(elem, whereto);
- if (elem == dynamic_cast<T*>(elem))
- whereto->push_back(dynamic_cast<T*>(elem));
+ static_assert(std::is_base_of<kernel::routing::NetZoneImpl, T>::value,
+ "Filtering netzones is only possible for subclasses of kernel::routing::NetZoneImpl");
+ for (auto const& elem : current->get_children()) {
+ get_filtered_netzones_recursive(elem, whereto);
+ T* elem_impl = dynamic_cast<T*>(elem->get_impl());
+ if (elem_impl != nullptr)
+ whereto->push_back(elem_impl);
}
}
-}
-} // namespace simgrid::s4u
+#endif
+} // namespace s4u
+} // namespace simgrid
#endif /* SIMGRID_S4U_ENGINE_HPP */
