src/surf/HostImpl.hpp

   1 /* Copyright (c) 2004-2021. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #ifndef SURF_HOST_INTERFACE_HPP
   7 #define SURF_HOST_INTERFACE_HPP
   8
   9 #include "src/kernel/actor/ActorImpl.hpp"
  10 #include "src/kernel/resource/DiskImpl.hpp"
  11 #include "src/surf/cpu_interface.hpp"
  12 #include "src/surf/network_interface.hpp"
  13 #include <xbt/PropertyHolder.hpp>
  14
  15 #include <vector>
  16
  17 namespace simgrid {
  18 namespace surf {
  19
  20 /*********
  21  * Model *
  22  *********/
  23
  24 /** @ingroup SURF_host_interface
  25  * @brief SURF Host model interface class
  26  * @details A model is an object which handle the interactions between its Resources and its Actions
  27  */
  28 class XBT_PRIVATE HostModel : public kernel::resource::Model {
  29 public:
  30   HostModel() : Model(Model::UpdateAlgo::FULL) {}
  31
  32   virtual kernel::resource::Action* execute_parallel(const std::vector<s4u::Host*>& host_list,
  33                                                      const double* flops_amount, const double* bytes_amount,
  34                                                      double rate) = 0;
  35 };
  36
  37 /************
  38  * Resource *
  39  ************/
  40 /** @ingroup SURF_host_interface
  41  * @brief SURF Host interface class
  42  * @details A host represents a machine with an aggregation of a Cpu, a RoutingEdge and a Storage
  43  */
  44 class XBT_PRIVATE HostImpl : public xbt::PropertyHolder {
  45   std::vector<kernel::actor::ProcessArg*> actors_at_boot_;
  46   s4u::Host* piface_ = nullptr; // we must have a pointer there because the VM wants to change the piface in its ctor
  47   std::map<std::string, kernel::resource::StorageImpl*, std::less<>> storage_;
  48   std::vector<kernel::resource::DiskImpl*> disks_;
  49
  50 public:
  51   friend simgrid::vm::VirtualMachineImpl;
  52   explicit HostImpl(s4u::Host* host);
  53   virtual ~HostImpl();
  54
  55   std::vector<s4u::Disk*> get_disks() const;
  56   void set_disks(const std::vector<kernel::resource::DiskImpl*>& disks, s4u::Host* host);
  57   void add_disk(const s4u::Disk* disk);
  58   void remove_disk(const std::string& disk_name);
  59
  60   /** @brief Get the vector of storages (by names) attached to the Host */
  61   virtual std::vector<const char*> get_attached_storages();
  62   std::unordered_map<std::string, s4u::Storage*>* get_mounted_storages();
  63   void set_storages(const std::map<std::string, kernel::resource::StorageImpl*, std::less<>>& storages)
  64   {
  65     storage_ = storages;
  66   }
  67
  68   s4u::Host* get_iface() const { return piface_; }
  69
  70   void turn_on() const;
  71   void turn_off(const kernel::actor::ActorImpl* issuer);
  72   std::vector<s4u::ActorPtr> get_all_actors();
  73   size_t get_actor_count() const;
  74   void add_actor(kernel::actor::ActorImpl* actor) { actor_list_.push_back(*actor); }
  75   void remove_actor(kernel::actor::ActorImpl* actor) { xbt::intrusive_erase(actor_list_, *actor); }
  76   void add_actor_at_boot(kernel::actor::ProcessArg* arg) { actors_at_boot_.emplace_back(arg); }
  77
  78   using ActorList = boost::intrusive::list<
  79       kernel::actor::ActorImpl,
  80       boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
  81                                     &kernel::actor::ActorImpl::host_actor_list_hook>>;
  82
  83   // FIXME: make these private
  84   ActorList actor_list_;
  85 };
  86 }
  87 }
  88
  89 XBT_PUBLIC_DATA simgrid::surf::HostModel* surf_host_model;
  90
  91 #endif /* SURF_HOST_INTERFACE_HPP */