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[simgrid.git] / 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   using Model::Model;
31   virtual kernel::resource::Action* execute_parallel(const std::vector<s4u::Host*>& host_list,
32                                                      const double* flops_amount, const double* bytes_amount,
33                                                      double rate) = 0;
34 };
35
36 /************
37  * Resource *
38  ************/
39 /** @ingroup SURF_host_interface
40  * @brief SURF Host interface class
41  * @details A host represents a machine with an aggregation of a Cpu, a RoutingEdge and Disk(s)
42  */
43 class XBT_PRIVATE HostImpl : public xbt::PropertyHolder {
44   using ActorList = boost::intrusive::list<
45       kernel::actor::ActorImpl,
46       boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
47                                     &kernel::actor::ActorImpl::host_actor_list_hook>>;
48
49   ActorList actor_list_;
50   std::vector<kernel::actor::ProcessArg*> actors_at_boot_;
51   s4u::Host piface_;
52   std::vector<kernel::resource::DiskImpl*> disks_;
53
54 protected:
55   virtual ~HostImpl(); // Use destroy() instead of this destructor.
56   HostImpl(const std::string& name, s4u::Host* piface);
57
58 public:
59   friend simgrid::vm::VirtualMachineImpl;
60   explicit HostImpl(const std::string& name);
61
62   void destroy(); // Must be called instead of the destructor
63
64   std::vector<s4u::Disk*> get_disks() const;
65   void set_disks(const std::vector<kernel::resource::DiskImpl*>& disks, s4u::Host* host);
66   void add_disk(const s4u::Disk* disk);
67   void remove_disk(const std::string& disk_name);
68
69   virtual const s4u::Host* get_iface() const { return &piface_; }
70   virtual s4u::Host* get_iface() { return &piface_; }
71
72   void turn_on() const;
73   void turn_off(const kernel::actor::ActorImpl* issuer);
74   std::vector<s4u::ActorPtr> get_all_actors();
75   size_t get_actor_count() const;
76   void add_actor(kernel::actor::ActorImpl* actor) { actor_list_.push_back(*actor); }
77   void remove_actor(kernel::actor::ActorImpl* actor) { xbt::intrusive_erase(actor_list_, *actor); }
78   void add_actor_at_boot(kernel::actor::ProcessArg* arg) { actors_at_boot_.emplace_back(arg); }
79
80   template <class F> void foreach_actor(F function)
81   {
82     for (auto& actor : actor_list_)
83       function(actor);
84   }
85 };
86 } // namespace surf
87 } // namespace simgrid
88
89 #endif /* SURF_HOST_INTERFACE_HPP */