X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/16bbb8a8212497d9c44c81333ed2c0e689e0c5af..ad0539d141f7dfee1706fea560d6122cb3a92f13:/include/simgrid/s4u/host.hpp diff --git a/include/simgrid/s4u/host.hpp b/include/simgrid/s4u/host.hpp index 20e5e7d93d..189031a69e 100644 --- a/include/simgrid/s4u/host.hpp +++ b/include/simgrid/s4u/host.hpp @@ -6,204 +6,147 @@ #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 +#include "simgrid/forward.h" +#include "simgrid/s4u/forward.hpp" namespace simgrid { namespace xbt { -extern template class XBT_PUBLIC() Extendable; + extern template class XBT_PUBLIC() Extendable; } - namespace s4u { -/** @brief Simulated machine that can host some actors +/** @ingroup s4u_api + * + * @tableofcontents * - * It represents some physical resource with computing and networking capabilities. + * 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 { +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. */ + /** 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(); } + + void actorList(std::vector * whereto); /** 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 turn_on(); + void turnOn(); /** Turns that host off. All actors are forcefully stopped. */ - void turn_off(); + void turnOff(); /** Returns if that host is currently up and running */ - bool is_on(); - bool is_off() { return !is_on(); } + bool isOn(); + /** Returns if that host is currently down and offline */ + bool isOff() { return !isOn(); } double speed(); - int core_count(); + int coreCount(); 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; + const char*property(const char*key); + void setProperty(const char*key, const char *value); + void processes(std::vector* list); + double getPstateSpeed(int pstate_index); + int pstatesCount() const; + void setPstate(int pstate_index); 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(); + xbt_dict_t mountedStoragesAsDict(); // HACK + void attachedStorages(std::vector * storages); - /** Get an associative list [mount point]->[Storage] off all local mount points. + /** 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 &mounted_storages(); + 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 + boost::unordered_map *mounts = nullptr; // caching 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::HostImpl* pimpl_ = nullptr; + /** DO NOT USE DIRECTLY (@todo: these should be protected, once our code is clean) */ surf::Cpu *pimpl_cpu = nullptr; - surf::NetCard *pimpl_netcard = nullptr; + /** DO NOT USE DIRECTLY (@todo: these should be protected, once our code is clean) */ + kernel::routing::NetPoint* pimpl_netpoint = nullptr; -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; + /*** 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 */ #if 0 -/* Bindings to the MSG hosts */ -/* Copyright (c) 2006-2014. 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. */ - -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. + * 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 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(); - } #endif