#define SIMGRID_S4U_HOST_HPP
#include <boost/unordered_map.hpp>
+#include <vector>
-#include "simgrid/simix.h"
+#include <xbt/base.h>
+#include <xbt/string.hpp>
+#include <xbt/signal.hpp>
+#include <xbt/Extendable.hpp>
+
+#include <simgrid/simix.h>
+#include <simgrid/datatypes.h>
+#include <simgrid/s4u/forward.hpp>
namespace simgrid {
namespace s4u {
-class Actor;
-
/** @brief Simulated machine that can host some actors
*
* It represents some physical resource with computing and networking capabilities.
* You can retrieve a particular host using @link{simgrid::s4u::Host.byName()},
* and actors can retrieve the host on which they run using @link{simgrid::s4u::Host.current()}.
*/
-class Host {
+XBT_PUBLIC_CLASS Host :
+ public simgrid::xbt::Extendable<Host> {
+
+ // friend Actor;
+ // friend File;
private:
Host(const char *name);
+public: // TODO, make me private
+ ~Host();
public:
+
+ static Host* by_name_or_null(const char* name);
+ static Host* by_name_or_create(const char* name);
/** Retrieves an host from its name. */
- static s4u::Host *byName(std::string name);
+ static s4u::Host *by_name(std::string name);
/** Retrieves the host on which the current actor is running */
static s4u::Host *current();
- const char* getName();
+ simgrid::xbt::string const& name() const { return name_; }
/** Turns that host on if it was previously off
*
* All actors on that host which were marked autorestart will be restarted automatically.
* This call does nothing if the host is already on.
*/
- void turnOn();
+ void turn_on();
/** Turns that host off. All actors are forcefully stopped. */
- void turnOff();
+ void turn_off();
/** Returns if that host is currently up and running */
- bool isOn();
+ bool is_on();
+ bool is_off() { return !is_on(); }
+
+ double speed();
+ int core_count();
+ xbt_dict_t properties();
+ xbt_swag_t processes();
+ double current_power_peak();
+ double power_peak_at(int pstate_index);
+ void set_pstate(int pstate_index);
+ int pstates_count() const;
+ int pstate();
+ void get_parameters(vm_params_t params);
+ void set_parameters(vm_params_t params);
+ xbt_dict_t mounted_storages_as_dict(); // HACK
+ xbt_dynar_t attached_storages();
+
+ /** Get an associative list [mount point]->[Storage] off all local mount points.
+ *
+ * This is defined in the platform file, and cannot be modified programatically (yet).
+ */
+ boost::unordered_map<std::string, Storage*> const &mounted_storages();
+private:
+ simgrid::xbt::string name_ = "noname";
+ boost::unordered_map<std::string, Storage*> *mounts = NULL; // caching
- /** Allows to store user data on that host */
- void setData(void *data) {p_userdata = data;}
- /** Retrieves the previously stored data */
- void* getData() {return p_userdata;}
+public:
+ // FIXME: these should be protected, but it leads to many errors
+ // Use the extensions stuff for this? Go through simgrid::surf::Host?
+ // TODO, this could be a unique_ptr
+ surf::Cpu *pimpl_cpu = nullptr;
+ surf::NetCard *pimpl_netcard = nullptr;
-protected:
- friend Actor;
- sg_host_t getInferior() {return p_sghost;}
-private:
- void*p_userdata=NULL;
- sg_host_t p_sghost;
- static boost::unordered_map<std::string, s4u::Host *> *hosts;
+public:
+ /*** Called on each newly created object */
+ static simgrid::xbt::signal<void(Host&)> onCreation;
+ /*** Called just before destructing an object */
+ static simgrid::xbt::signal<void(Host&)> onDestruction;
+ /*** Called when the machine is turned on or off */
+ static simgrid::xbt::signal<void(Host&)> onStateChange;
};
}} // namespace simgrid::s4u
+extern int MSG_HOST_LEVEL;
+extern int SD_HOST_LEVEL;
+extern int SIMIX_HOST_LEVEL;
+extern int ROUTING_HOST_LEVEL;
+extern int USER_HOST_LEVEL;
+
#endif /* SIMGRID_S4U_HOST_HPP */
#if 0
*/
public native void setProperty(String name, String value);
- /** This methods returns the list of mount point names on an host
- * @return An array containing all mounted storages on the host
- */
- public native Storage[] getMountedStorage();
-
/** This methods returns the list of storages attached to an host
* @return An array containing all storages (name) attached to the host
*/
