-/* Copyright (c) 2004-2019. 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. */
#define VM_INTERFACE_HPP_
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 core_amount, size_t ramsize);
- ~VirtualMachineImpl();
+ static std::deque<s4u::VirtualMachine*> allVms_;
- /** @brief Callbacks fired after VM creation. Signature: `void(VirtualMachineImpl&)` */
- static xbt::signal<void(simgrid::vm::VirtualMachineImpl&)> on_creation;
- /** @brief Callbacks fired after VM destruction. Signature: `void(VirtualMachineImpl const&)` */
- static xbt::signal<void(simgrid::vm::VirtualMachineImpl const&)> on_destruction;
+ explicit VirtualMachineImpl(const std::string& name, s4u::VirtualMachine* piface, s4u::Host* host, int core_amount,
+ size_t ramsize);
- virtual void suspend(kernel::actor::ActorImpl* issuer);
- virtual void resume();
- virtual void shutdown(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 set_physical_host(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() { return physical_host_; }
+ s4u::Host* get_physical_host() const { return physical_host_; }
- sg_size_t get_ramsize() { return ramsize_; }
+ sg_size_t get_ramsize() const { return ramsize_; }
void set_ramsize(sg_size_t ramsize) { ramsize_ = ramsize; }
- s4u::VirtualMachine::state get_state() { return vm_state_; }
- void set_state(s4u::VirtualMachine::state state) { vm_state_ = state; }
+ s4u::VirtualMachine::State get_state() const { return vm_state_; }
+ void set_state(s4u::VirtualMachine::State state) { vm_state_ = state; }
- int get_core_amount() { return core_amount_; }
+ unsigned int get_core_amount() const { return core_amount_; }
+ kernel::resource::Action* get_action() const { return action_; }
- virtual void set_bound(double bound);
+ const s4u::VirtualMachine* get_iface() const override { return piface_; }
+ s4u::VirtualMachine* get_iface() override { return piface_; }
- /* The vm object of the lower layer */
- kernel::resource::Action* action_ = nullptr;
- static std::deque<s4u::VirtualMachine*> allVms_;
- bool is_migrating_ = false;
- int active_tasks_ = 0;
+ 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:
+ s4u::VirtualMachine* piface_;
+ kernel::resource::Action* action_ = nullptr;
+ unsigned int active_execs_ = 0;
s4u::Host* physical_host_;
- int core_amount_;
+ 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;
+ 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();
+ explicit VMModel(const std::string& name);
double next_occurring_event(double now) override;
void update_actions_state(double /*now*/, double /*delta*/) override{};
return nullptr;
};
};
-}
-}
-
-XBT_PUBLIC_DATA simgrid::vm::VMModel* surf_vm_model;
+} // namespace vm
+} // namespace simgrid
#endif /* VM_INTERFACE_HPP_ */