1 /* Copyright (c) 2015-2018. The SimGrid Team. All rights reserved. */
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. */
6 #ifndef SIMGRID_S4U_VM_HPP
7 #define SIMGRID_S4U_VM_HPP
9 #include <simgrid/s4u/Host.hpp>
11 enum e_surf_vm_state_t {
12 SURF_VM_STATE_CREATED, /**< created, but not yet started */
13 SURF_VM_STATE_RUNNING,
14 SURF_VM_STATE_SUSPENDED, /**< Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
15 SURF_VM_STATE_DESTROYED
25 * A VM represents a virtual machine (or a container) that hosts actors.
26 * The total computing power that the contained actors can get is constrained to the virtual machine size.
29 class XBT_PUBLIC VirtualMachine : public s4u::Host {
30 simgrid::vm::VirtualMachineImpl* pimpl_vm_ = nullptr;
31 virtual ~VirtualMachine();
34 explicit VirtualMachine(const char* name, s4u::Host* physical_host, int core_amount);
35 explicit VirtualMachine(const char* name, s4u::Host* physical_host, int core_amount, size_t ramsize);
38 VirtualMachine(VirtualMachine const&) = delete;
39 VirtualMachine& operator=(VirtualMachine const&) = delete;
41 simgrid::vm::VirtualMachineImpl* getImpl() { return pimpl_vm_; }
48 simgrid::s4u::Host* getPm();
49 void setPm(simgrid::s4u::Host * pm);
51 void setRamsize(size_t ramsize);
52 void setBound(double bound);
54 e_surf_vm_state_t getState();
55 static simgrid::xbt::signal<void(VirtualMachine&)> on_start;
56 static simgrid::xbt::signal<void(VirtualMachine&)> on_started;
57 static simgrid::xbt::signal<void(VirtualMachine&)> on_shutdown;
58 static simgrid::xbt::signal<void(VirtualMachine&)> on_suspend;
59 static simgrid::xbt::signal<void(VirtualMachine&)> on_resume;
62 } // namespace simgrid::s4u