X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a5bbd993d2a7316f0710dadac59710b737b193b0..5e00312bf86c3868d644b7806cdba0abf23664a4:/src/surf/VirtualMachineImpl.hpp

diff --git a/src/surf/VirtualMachineImpl.hpp b/src/surf/VirtualMachineImpl.hpp
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+/* Copyright (c) 2004-2015. 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 <boost/intrusive/list.hpp>
+#include <deque>
+
+#include <xbt/base.h>
+
+#include "src/surf/HostImpl.hpp"
+
+#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 {
+namespace surf {
+
+/***********
+ * Classes *
+ ***********/
+
+class XBT_PRIVATE VMModel;
+class XBT_PRIVATE VirtualMachineImpl;
+
+/*************
+ * Callbacks *
+ *************/
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks fired after VM creation. Signature: `void(VirtualMachine*)`
+ */
+extern XBT_PRIVATE simgrid::xbt::signal<void(simgrid::surf::VirtualMachineImpl*)> onVmCreation;
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks fired after VM destruction. Signature: `void(VirtualMachine*)`
+ */
+extern XBT_PRIVATE simgrid::xbt::signal<void(simgrid::surf::VirtualMachineImpl*)> onVmDestruction;
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks after VM State changes. Signature: `void(VirtualMachine*)`
+ */
+extern XBT_PRIVATE simgrid::xbt::signal<void(simgrid::surf::VirtualMachineImpl*)> onVmStateChange;
+
+/************
+ * Resource *
+ ************/
+
+/** @ingroup SURF_vm_interface
+ * @brief SURF VM interface class
+ * @details A VM represent a virtual machine
+ */
+class VirtualMachineImpl : public HostImpl {
+public:
+  VirtualMachineImpl(const char* name, simgrid::s4u::Host* host);
+  ~VirtualMachineImpl();
+
+  /** @brief Suspend the VM */
+  virtual void suspend();
+
+  /** @brief Resume the VM */
+  virtual void resume();
+
+  /** @brief Save the VM (Not yet implemented) */
+  virtual void save();
+
+  /** @brief Restore the VM (Not yet implemented) */
+  virtual void restore();
+
+  /** @brief Migrate the VM to the destination host */
+  virtual void migrate(sg_host_t dest_PM);
+
+  /** @brief Get the physical machine hosting the VM */
+  sg_host_t getPm();
+
+  virtual void setBound(double bound);
+
+  /* The vm object of the lower layer */
+  CpuAction* action_ = nullptr;
+
+protected:
+  simgrid::s4u::Host* hostPM_;
+
+public:
+  e_surf_vm_state_t getState();
+  void setState(e_surf_vm_state_t state);
+  static std::deque<VirtualMachineImpl*> allVms_;
+
+protected:
+  e_surf_vm_state_t vmState_ = SURF_VM_STATE_CREATED;
+};
+
+/*********
+ * Model *
+ *********/
+/** @ingroup SURF_vm_interface
+ * @brief SURF VM model interface class
+ * @details A model is an object which handle the interactions between its Resources and its Actions
+ */
+class VMModel : public HostModel {
+public:
+  /**
+   * @brief Create a new VM
+   *
+   * @param name The name of the new VM
+   * @param host_PM The real machine hosting the VM
+   */
+  s4u::Host* createVM(const char* name, sg_host_t host_PM);
+  void adjustWeightOfDummyCpuActions() override{};
+
+  double nextOccuringEvent(double now) override;
+  void updateActionsState(double /*now*/, double /*delta*/) override{};
+};
+}
+}
+
+#endif /* VM_INTERFACE_HPP_ */