--- /dev/null
+/* Copyright (c) 2004-2023. 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. */
+
+#ifndef SURF_HOST_INTERFACE_HPP
+#define SURF_HOST_INTERFACE_HPP
+
+#include "src/kernel/actor/ActorImpl.hpp"
+#include "src/kernel/resource/CpuImpl.hpp"
+#include "src/kernel/resource/DiskImpl.hpp"
+#include <xbt/PropertyHolder.hpp>
+
+#include <vector>
+
+namespace simgrid::kernel::resource {
+/*********
+ * Model *
+ *********/
+
+/** @ingroup SURF_host_interface
+ * @brief SURF Host model interface class
+ * @details A model is an object which handle the interactions between its Resources and its Actions
+ */
+class XBT_PRIVATE HostModel : public Model {
+public:
+ using Model::Model;
+ virtual Action* execute_thread(const s4u::Host* host, double flops_amount, int thread_count) = 0;
+
+ virtual Action* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
+ const double* bytes_amount, double rate) = 0;
+ virtual Action* io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk,
+ double size) = 0;
+};
+
+/************
+ * Resource *
+ ************/
+/** @ingroup SURF_host_interface
+ * @brief SURF Host interface class
+ * @details A host represents a machine with an aggregation of a Cpu, a RoutingEdge and Disk(s)
+ */
+class XBT_PRIVATE HostImpl : public xbt::PropertyHolder, public actor::ObjectAccessSimcallItem {
+ using ActorList =
+ boost::intrusive::list<actor::ActorImpl,
+ boost::intrusive::member_hook<actor::ActorImpl, boost::intrusive::list_member_hook<>,
+ &actor::ActorImpl::host_actor_list_hook>>;
+
+ ActorList actor_list_;
+ std::vector<actor::ProcessArg*> actors_at_boot_;
+ s4u::Host piface_;
+ std::map<std::string, DiskImpl*, std::less<>> disks_;
+ std::map<std::string, VirtualMachineImpl*, std::less<>> vms_;
+ std::string name_{"noname"};
+ routing::NetZoneImpl* englobing_zone_ = nullptr;
+ bool sealed_ = false;
+
+protected:
+ virtual ~HostImpl(); // Use destroy() instead of this destructor.
+
+public:
+ friend VirtualMachineImpl;
+ explicit HostImpl(const std::string& name);
+
+ void destroy(); // Must be called instead of the destructor
+
+ std::vector<s4u::Disk*> get_disks() const;
+ s4u::Disk* create_disk(const std::string& name, double read_bandwidth, double write_bandwidth);
+ s4u::VirtualMachine* create_vm(const std::string& name, int core_amount, size_t ramsize = 1024);
+ s4u::VirtualMachine* create_vm(const std::string& name, s4u::VirtualMachine* vm);
+ void destroy_vm(const std::string& name);
+ void add_disk(const s4u::Disk* disk);
+ void remove_disk(const std::string& name);
+ /** @brief Moves VM from this host to destination. Only sets the vm_ accordingly */
+ void move_vm(VirtualMachineImpl* vm, HostImpl* destination);
+ std::vector<s4u::VirtualMachine*> get_vms() const;
+ VirtualMachineImpl* get_vm_by_name_or_null(const std::string& name) const;
+
+ virtual const s4u::Host* get_iface() const { return &piface_; }
+ virtual s4u::Host* get_iface() { return &piface_; }
+
+ /** Retrieves the name of that host as a C++ string */
+ std::string const& get_name() const { return name_; }
+ /** Retrieves the name of that host as a C string */
+ const char* get_cname() const { return name_.c_str(); }
+
+ routing::NetZoneImpl* get_englobing_zone() const { return englobing_zone_; }
+ /** @brief Set the NetZone in which this Host is included */
+ HostImpl* set_englobing_zone(routing::NetZoneImpl* netzone_p);
+
+ void turn_on() const;
+ void turn_off(const actor::ActorImpl* issuer);
+ std::vector<s4u::ActorPtr> get_all_actors();
+ size_t get_actor_count() const;
+ void add_actor(actor::ActorImpl* actor) { actor_list_.push_back(*actor); }
+ void remove_actor(actor::ActorImpl* actor) { xbt::intrusive_erase(actor_list_, *actor); }
+ void add_actor_at_boot(actor::ProcessArg* arg) { actors_at_boot_.emplace_back(arg); }
+
+ virtual void seal();
+
+ template <class F> void foreach_actor(F function)
+ {
+ for (auto& actor : actor_list_)
+ function(actor);
+ }
+};
+} // namespace simgrid::kernel::resource
+
+#endif /* HOST_INTERFACE_HPP */
