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