X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bee936d0bbb44898371c66b1deaac3cf007ba7e2..8f4c00936fdabbd005cbf15ca132ceb248f72dcd:/include/simgrid/s4u/host.hpp diff --git a/include/simgrid/s4u/host.hpp b/include/simgrid/s4u/host.hpp index d9ff389334..7c48221eb8 100644 --- a/include/simgrid/s4u/host.hpp +++ b/include/simgrid/s4u/host.hpp @@ -6,114 +6,130 @@ #ifndef SIMGRID_S4U_HOST_HPP #define SIMGRID_S4U_HOST_HPP +#include + #include -#include -#include -#include -#include -#include +#include "xbt/Extendable.hpp" +#include "xbt/dict.h" +#include "xbt/signal.hpp" +#include "xbt/string.hpp" +#include "xbt/swag.h" -#include -#include +#include "simgrid/forward.h" +#include "simgrid/s4u/forward.hpp" namespace simgrid { -namespace s4u { -class Actor; -class Storage; -class File; +namespace xbt { + extern template class XBT_PUBLIC() Extendable; +} +namespace s4u { -/** @brief Simulated machine that can host some actors +/** @ingroup s4u_api * - * It represents some physical resource with computing and networking capabilities. + * @tableofcontents + * + * An host represents some physical resource with computing and networking capabilities. * * All hosts are automatically created during the call of the method - * @link{simgrid::s4u::Engine::loadPlatform()}. + * @ref simgrid::s4u::Engine::loadPlatform(). * You cannot create a host yourself. * - * 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()}. + * You can retrieve a particular host using simgrid::s4u::Host::byName() + * and actors can retrieve the host on which they run using simgrid::s4u::Host::current(). */ XBT_PUBLIC_CLASS Host : public simgrid::xbt::Extendable { - // friend Actor; - // friend File; +public: + explicit Host(const char *name); + + /** Host destruction logic */ +protected: + virtual ~Host(); + private: - Host(const char *name); -public: // TODO, make me private - ~Host(); + bool currentlyDestroying_ = false; public: + void destroy(); + // No copy/move + Host(Host const&) = delete; + Host& operator=(Host const&) = delete; + /** Retrieves an host from its name, or return nullptr */ 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 *by_name(std::string name); - /** Retrieves the host on which the current actor is running */ - static s4u::Host *current(); - - 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(); - /** Turns that host off. All actors are forcefully stopped. */ - void turnOff(); - /** Returns if that host is currently up and running */ - bool isOn(); - bool isOff() { return !isOn(); } - - double getSpeed(); - int getCoreAmount(); - xbt_dict_t getProperties(); - xbt_swag_t getProcessList(); - double getCurrentPowerPeak(); - double getPowerPeakAt(int pstate_index); - void setPState(int pstate_index); - int getNbPStates() const; - int getPState(); - void getParams(vm_params_t params); - void setParams(vm_params_t params); - xbt_dict_t getMountedStorageList(); - xbt_dynar_t getAttachedStorageList(); - - /** 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). - * - * Do not change the returned value in any way. - */ - boost::unordered_map &mountedStorages(); + /** Retrieves an host from its name, or return nullptr */ + static Host* by_name_or_null(std::string name); + /** Retrieves an host from its name, or die */ + static s4u::Host *by_name(std::string name); + /** Retrieves the host on which the current actor is running */ + static s4u::Host *current(); + + simgrid::xbt::string const& name() const { return name_; } + const char* cname() { return name_.c_str(); } + + /** 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(); + /** Turns that host off. All actors are forcefully stopped. */ + void turnOff(); + /** Returns if that host is currently up and running */ + bool isOn(); + /** Returns if that host is currently down and offline */ + bool isOff() { return !isOn(); } + + double speed(); + int coreCount(); + xbt_dict_t properties(); + const char*property(const char*key); + void setProperty(const char*key, const char *value); + xbt_swag_t processes(); + double getPstateSpeedCurrent(); + double getPstateSpeed(int pstate_index); + int pstatesCount() const; + void setPstate(int pstate_index); + int pstate(); + xbt_dict_t mountedStoragesAsDict(); // HACK + std::vector attachedStorages(); + + /** Get an associative list [mount point]->[Storage] of all local mount points. + * + * This is defined in the platform file, and cannot be modified programatically (yet). + */ + boost::unordered_map const &mountedStorages(); + + void routeTo(Host * dest, std::vector * links, double* latency); + void routeTo(Host * dest, std::vector * links, double* latency); private: - simgrid::xbt::string name_ = "noname"; - boost::unordered_map *mounts = NULL; // caching - -public: - // FIXME: these should be protected, but it leads to many errors - // Use the extensions stuff for this? Go through simgrid::surf::Host? - surf::Cpu *pimpl_cpu = nullptr; - surf::NetCard *pimpl_netcard = nullptr; + simgrid::xbt::string name_ = "noname"; + boost::unordered_map *mounts = nullptr; // caching public: - /*** Called on each newly created object */ - static simgrid::xbt::signal onCreation; - /*** Called just before destructing an object */ - static simgrid::xbt::signal onDestruction; - /*** Called when the machine is turned on or off */ - static simgrid::xbt::signal onStateChange; + // TODO, this could be a unique_ptr + surf::HostImpl* pimpl_ = nullptr; + /** DO NOT USE DIRECTLY (@todo: these should be protected, once our code is clean) */ + surf::Cpu *pimpl_cpu = nullptr; + /** DO NOT USE DIRECTLY (@todo: these should be protected, once our code is clean) */ + kernel::routing::NetPoint* pimpl_netpoint = nullptr; + + /*** Called on each newly created object */ + static simgrid::xbt::signal onCreation; + /*** Called just before destructing an object */ + static simgrid::xbt::signal onDestruction; + /*** Called when the machine is turned on or off */ + static simgrid::xbt::signal onStateChange; + /*** Called when the speed of the machine is changed + * (either because of a pstate switch or because of an external load event coming from the profile) */ + static simgrid::xbt::signal onSpeedChange; }; }} // 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 */ @@ -129,81 +145,41 @@ extern int USER_HOST_LEVEL; package org.simgrid.msg; -import org.simgrid.msg.Storage; - -/* -Host jacquelin; - -try { - jacquelin = Host.getByName("Jacquelin"); -} catch(HostNotFoundException e) { - System.err.println(e.toString()); -} -... -\endverbatim - * - */ public class Host { - /** - * This static method returns all of the hosts of the installed platform. - * - * @return An array containing all the hosts installed. - * - */ - public native static Host[] all(); - - /** - * This static method sets a mailbox to receive in asynchronous mode. - * - * All messages sent to this mailbox will be transferred to - * the receiver without waiting for the receive call. - * The receive call will still be necessary to use the received data. - * If there is a need to receive some messages asynchronously, and some not, - * two different mailboxes should be used. - * - * @param mailboxName The name of the mailbox - */ - public static native void setAsyncMailbox(String mailboxName); - - /** - * This method returns the number of tasks currently running on a host. - * The external load (comming from an availability trace) is not taken in account. - * - * @return The number of tasks currently running on a host. - */ - public native int getLoad(); - - /** - * This method returns the speed of the processor of a host, - * regardless of the current load of the machine. - * - * @return The speed of the processor of the host in flops. - * - */ - public native double getSpeed(); - - /** - * This method returns the number of core of a host. - * - * @return The speed of the processor of the host in flops. - * - */ - public native double getCoreNumber(); - - /** - * Returns the value of a given host property (set from the platform file). - */ - public native String getProperty(String name); - - /** - * Change the value of a given host property. - */ - public native void setProperty(String name, String value); - - /** This methods returns the list of storages attached to an host - * @return An array containing all storages (name) attached to the host - */ - public native String[] getAttachedStorage(); + /** + * This static method returns all of the hosts of the installed platform. + * + * @return An array containing all the hosts installed. + * + */ + public native static Host[] all(); + + /** + * This static method sets a mailbox to receive in asynchronous mode. + * + * All messages sent to this mailbox will be transferred to + * the receiver without waiting for the receive call. + * The receive call will still be necessary to use the received data. + * If there is a need to receive some messages asynchronously, and some not, + * two different mailboxes should be used. + * + * @param mailboxName The name of the mailbox + */ + public static native void setAsyncMailbox(String mailboxName); + + /** + * This method returns the number of tasks currently running on a host. + * The external load (coming from an availability trace) is not taken in account. + * + * @return The number of tasks currently running on a host. + */ + public native int getLoad(); + + + /** This methods returns the list of storages attached to an host + * @return An array containing all storages (name) attached to the host + */ + public native String[] getAttachedStorage(); }