-/* Copyright (c) 2004-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2021. 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. */
-#include "simgrid/s4u/VirtualMachine.hpp"
-#include "src/simix/ActorImpl.hpp"
+#include <simgrid/s4u/VirtualMachine.hpp>
+
#include "src/surf/HostImpl.hpp"
-#include <algorithm>
-#include <deque>
-#include <unordered_map>
#ifndef VM_INTERFACE_HPP_
#define VM_INTERFACE_HPP_
-#define GUESTOS_NOISE 100 // This value corresponds to the cost of the global action associated to the VM
- // It corresponds to the cost of a VM running no tasks.
-
namespace simgrid {
+
+extern template class XBT_PUBLIC xbt::Extendable<vm::VirtualMachineImpl>;
+
namespace vm {
/************
* @details A VM represent a virtual machine
*/
class XBT_PUBLIC VirtualMachineImpl : public surf::HostImpl, public simgrid::xbt::Extendable<VirtualMachineImpl> {
+#ifndef DOXYGEN
friend simgrid::s4u::VirtualMachine;
+#endif
public:
- explicit VirtualMachineImpl(s4u::VirtualMachine * piface, s4u::Host * host, int coreAmount, size_t ramsize);
- ~VirtualMachineImpl();
-
- /** @brief Suspend the VM */
- virtual void suspend(simgrid::kernel::actor::ActorImpl* issuer);
+ static std::deque<s4u::VirtualMachine*> allVms_;
- /** @brief Resume the VM */
- virtual void resume();
+ explicit VirtualMachineImpl(const std::string& name, s4u::VirtualMachine* piface, s4u::Host* host, int core_amount,
+ size_t ramsize);
- /** @brief Shutdown the VM */
- virtual void shutdown(simgrid::kernel::actor::ActorImpl* issuer);
+ void suspend(kernel::actor::ActorImpl* issuer);
+ void resume();
+ void shutdown(kernel::actor::ActorImpl* issuer);
+ void vm_destroy();
/** @brief Change the physical host on which the given VM is running */
- virtual void setPm(s4u::Host* dest);
+ void set_physical_host(s4u::Host* dest);
+ /** @brief Get the physical host on which the given VM is running */
+ s4u::Host* get_physical_host() const { return physical_host_; }
- /** @brief Get the physical machine hosting the VM */
- s4u::Host* getPm();
+ sg_size_t get_ramsize() const { return ramsize_; }
+ void set_ramsize(sg_size_t ramsize) { ramsize_ = ramsize; }
- sg_size_t getRamsize() { return ramsize_; }
- void setRamsize(sg_size_t ramsize) { ramsize_ = ramsize; }
+ s4u::VirtualMachine::State get_state() const { return vm_state_; }
+ void set_state(s4u::VirtualMachine::State state) { vm_state_ = state; }
- virtual void setBound(double bound);
+ unsigned int get_core_amount() const { return core_amount_; }
+ kernel::resource::Action* get_action() const { return action_; }
- /* The vm object of the lower layer */
- kernel::resource::Action* action_ = nullptr;
+ const s4u::VirtualMachine* get_iface() const override { return piface_; }
+ s4u::VirtualMachine* get_iface() override { return piface_; }
- e_surf_vm_state_t getState();
- void setState(e_surf_vm_state_t state);
- static std::deque<s4u::VirtualMachine*> allVms_;
- int coreAmount() { return coreAmount_; }
-
- bool isMigrating = false;
- /*************
- * Callbacks *
- *************/
- /** @ingroup SURF_callbacks
- * @brief Callbacks fired after VM creation. Signature: `void(VirtualMachine*)`
- */
- static simgrid::xbt::signal<void(simgrid::vm::VirtualMachineImpl*)> onVmCreation;
-
- /** @ingroup SURF_callbacks
- * @brief Callbacks fired after VM destruction. Signature: `void(VirtualMachine*)`
- */
- static simgrid::xbt::signal<void(simgrid::vm::VirtualMachineImpl*)> onVmDestruction;
-
- /** @ingroup SURF_callbacks
- * @brief Callbacks after VM State changes. Signature: `void(VirtualMachine*)`
- */
- static simgrid::xbt::signal<void(simgrid::vm::VirtualMachineImpl*)> onVmStateChange;
+ void set_bound(double bound);
+
+ void update_action_weight();
+
+ void add_active_exec() { active_execs_++; }
+ void remove_active_exec() { active_execs_--; }
+
+ void start_migration() { is_migrating_ = true; }
+ void end_migration() { is_migrating_ = false; }
+ bool is_migrating() const { return is_migrating_; }
private:
- simgrid::s4u::Host* hostPM_;
- int coreAmount_;
- size_t ramsize_ = 0;
- e_surf_vm_state_t vmState_ = SURF_VM_STATE_CREATED;
+ s4u::VirtualMachine* piface_;
+ kernel::resource::Action* action_ = nullptr;
+ unsigned int active_execs_ = 0;
+ s4u::Host* physical_host_;
+ unsigned int core_amount_;
+ double user_bound_ = std::numeric_limits<double>::max();
+ size_t ramsize_ = 0;
+ s4u::VirtualMachine::State vm_state_ = s4u::VirtualMachine::State::CREATED;
+ bool is_migrating_ = false;
};
/*********
*/
class XBT_PRIVATE VMModel : public surf::HostModel {
public:
- VMModel();
- void ignore_empty_vm_in_pm_LMM() override{};
+ explicit VMModel(const std::string& name);
- double next_occuring_event(double now) override;
+ double next_occurring_event(double now) override;
void update_actions_state(double /*now*/, double /*delta*/) override{};
+ kernel::resource::Action* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
+ const double* bytes_amount, double rate) override
+ {
+ return nullptr;
+ };
};
-}
-}
-
-XBT_PUBLIC_DATA simgrid::vm::VMModel* surf_vm_model;
+} // namespace vm
+} // namespace simgrid
#endif /* VM_INTERFACE_HPP_ */