src/surf/virtual_machine.cpp

   1 /* Copyright (c) 2013-2015. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "cpu_cas01.hpp"
   8 #include "virtual_machine.hpp"
   9
  10 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_vm, surf,
  11                                 "Logging specific to the SURF VM module");
  12
  13 simgrid::surf::VMModel *surf_vm_model = NULL;
  14
  15 namespace simgrid {
  16 namespace surf {
  17
  18 /*************
  19  * Callbacks *
  20  *************/
  21
  22 simgrid::surf::signal<void(simgrid::surf::VirtualMachine*)> VMCreatedCallbacks;
  23 simgrid::surf::signal<void(simgrid::surf::VirtualMachine*)> VMDestructedCallbacks;
  24 simgrid::surf::signal<void(simgrid::surf::VirtualMachine*)> VMStateChangedCallbacks;
  25
  26 /*********
  27  * Model *
  28  *********/
  29
  30 VMModel::vm_list_t VMModel::ws_vms;
  31
  32 /************
  33  * Resource *
  34  ************/
  35
  36 VirtualMachine::VirtualMachine(Model *model, const char *name, xbt_dict_t props,simgrid::Host *hostPM)
  37 : Host(model, name, props, NULL, NULL, NULL)
  38 , p_hostPM(hostPM)
  39 {
  40   VMModel::ws_vms.push_back(*this);
  41   simgrid::Host::by_name_or_create(name)->extension_set<simgrid::surf::Host>(this);
  42 }
  43
  44 /*
  45  * A physical host does not disappear in the current SimGrid code, but a VM may
  46  * disappear during a simulation.
  47  */
  48 VirtualMachine::~VirtualMachine()
  49 {
  50   VMDestructedCallbacks(this);
  51   VMModel::ws_vms.erase(VMModel::vm_list_t::s_iterator_to(*this));
  52 }
  53
  54 void VirtualMachine::setState(e_surf_resource_state_t state){
  55   Resource::setState(state);
  56   VMStateChangedCallbacks(this);
  57 }
  58
  59 /** @brief returns the physical machine on which the VM is running **/
  60 sg_host_t VirtualMachine::getPm() {
  61   return p_hostPM;
  62 }
  63
  64 }
  65 }