-/* Copyright (c) 2015-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2015-2022. 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. */
namespace simgrid {
namespace s4u {
+/** @brief Host extension for the VMs */
+class VmHostExt {
+public:
+ static xbt::Extension<s4u::Host, VmHostExt> EXTENSION_ID;
+
+ sg_size_t ramsize = 0; /* available ramsize (0= not taken into account) */
+ bool overcommit = true; /* Whether the host allows overcommiting more VM than the avail ramsize allows */
+ static void ensureVmExtInstalled();
+};
+
/** @ingroup s4u_api
*
* @tableofcontents
*
*/
class XBT_PUBLIC VirtualMachine : public s4u::Host {
- vm::VirtualMachineImpl* const pimpl_vm_;
+ kernel::resource::VirtualMachineImpl* const pimpl_vm_;
+
+ /* Signals about the life cycle of the VM */
+ static xbt::signal<void(VirtualMachine&)> on_creation;
+ static xbt::signal<void(VirtualMachine const&)> on_start;
+ static xbt::signal<void(VirtualMachine const&)> on_started;
+ static xbt::signal<void(VirtualMachine const&)> on_shutdown;
+ static xbt::signal<void(VirtualMachine const&)> on_suspend;
+ static xbt::signal<void(VirtualMachine const&)> on_resume;
+ static xbt::signal<void(VirtualMachine const&)> on_migration_start;
+ static xbt::signal<void(VirtualMachine const&)> on_migration_end;
+ static xbt::signal<void(VirtualMachine const&)> on_destruction;
public:
- explicit VirtualMachine(const std::string& name, Host* physical_host, int core_amount);
- explicit VirtualMachine(const std::string& name, Host* physical_host, int core_amount, size_t ramsize);
+ explicit VirtualMachine(const std::string& name, Host* physical_host, int core_amount, size_t ramsize = 1024);
#ifndef DOXYGEN
// No copy/move
using state XBT_ATTRIB_DEPRECATED_v332("Please use VirtualMachine::State") = State;
#endif
- vm::VirtualMachineImpl* get_vm_impl() const { return pimpl_vm_; }
+ kernel::resource::VirtualMachineImpl* get_vm_impl() const { return pimpl_vm_; }
void start();
void suspend();
void resume();
size_t get_ramsize() const;
VirtualMachine* set_ramsize(size_t ramsize);
VirtualMachine* set_bound(double bound);
+ void start_migration() const;
+ void end_migration() const;
State get_state() const;
- static xbt::signal<void(VirtualMachine&)> on_creation;
- static xbt::signal<void(VirtualMachine const&)> on_start;
- static xbt::signal<void(VirtualMachine const&)> on_started;
- static xbt::signal<void(VirtualMachine const&)> on_shutdown;
- static xbt::signal<void(VirtualMachine const&)> on_suspend;
- static xbt::signal<void(VirtualMachine const&)> on_resume;
- static xbt::signal<void(VirtualMachine const&)> on_migration_start;
- static xbt::signal<void(VirtualMachine const&)> on_migration_end;
- static xbt::signal<void(VirtualMachine const&)> on_destruction;
+
+ /* Callbacks on signals */
+ static void on_creation_cb(const std::function<void(VirtualMachine&)>& cb) { on_creation.connect(cb); }
+ static void on_start_cb(const std::function<void(VirtualMachine const&)>& cb) { on_start.connect(cb); }
+ static void on_started_cb(const std::function<void(VirtualMachine const&)>& cb) { on_started.connect(cb); }
+ static void on_shutdown_cb(const std::function<void(VirtualMachine const&)>& cb) { on_shutdown.connect(cb); }
+ static void on_suspend_cb(const std::function<void(VirtualMachine const&)>& cb) { on_suspend.connect(cb); }
+ static void on_resume_cb(const std::function<void(VirtualMachine const&)>& cb) { on_resume.connect(cb); }
+ static void on_destruction_cb(const std::function<void(VirtualMachine const&)>& cb) { on_destruction.connect(cb); }
+ static void on_migration_start_cb(const std::function<void(VirtualMachine const&)>& cb)
+ {
+ on_migration_start.connect(cb);
+ }
+ static void on_migration_end_cb(const std::function<void(VirtualMachine const&)>& cb)
+ {
+ on_migration_end.connect(cb);
+ }
};
} // namespace s4u
} // namespace simgrid