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 Disk(s)
  43  */
  44 class XBT_PRIVATE HostImpl : public xbt::PropertyHolder {
  45   using ActorList = boost::intrusive::list<
  46       kernel::actor::ActorImpl,
  47       boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
  48                                     &kernel::actor::ActorImpl::host_actor_list_hook>>;
  49
  50   ActorList actor_list_;
  51   std::vector<kernel::actor::ProcessArg*> actors_at_boot_;
  52   s4u::Host* piface_ = nullptr; // we must have a pointer there because the VM wants to change the piface in its ctor
  53   std::vector<kernel::resource::DiskImpl*> disks_;
  54
  55 public:
  56   friend simgrid::vm::VirtualMachineImpl;
  57   explicit HostImpl(s4u::Host* host);
  58   virtual ~HostImpl();
  59
  60   std::vector<s4u::Disk*> get_disks() const;
  61   void set_disks(const std::vector<kernel::resource::DiskImpl*>& disks, s4u::Host* host);
  62   void add_disk(const s4u::Disk* disk);
  63   void remove_disk(const std::string& disk_name);
  64
  65   s4u::Host* get_iface() const { return piface_; }
  66
  67   void turn_on() const;
  68   void turn_off(const kernel::actor::ActorImpl* issuer);
  69   std::vector<s4u::ActorPtr> get_all_actors();
  70   size_t get_actor_count() const;
  71   void add_actor(kernel::actor::ActorImpl* actor) { actor_list_.push_back(*actor); }
  72   void remove_actor(kernel::actor::ActorImpl* actor) { xbt::intrusive_erase(actor_list_, *actor); }
  73   void add_actor_at_boot(kernel::actor::ProcessArg* arg) { actors_at_boot_.emplace_back(arg); }
  74
  75   template <class F> void foreach_actor(F function)
  76   {
  77     for (auto& actor : actor_list_)
  78       function(actor);
  79   }
  80 };
  81 }
  82 }
  83
  84 #endif /* SURF_HOST_INTERFACE_HPP */