-namespace simgrid {
- namespace simix {
- simgrid::xbt::Extension<simgrid::s4u::Host, Host> Host::EXTENSION_ID;
-
- Host::Host()
- {
- if (not Host::EXTENSION_ID.valid())
- Host::EXTENSION_ID = s4u::Host::extension_create<simix::Host>();
-
- simgrid::simix::ActorImpl act;
- process_list = xbt_swag_new(xbt_swag_offset(act, host_proc_hookup));
- }
-
- Host::~Host()
- {
- /* All processes should be gone when the host is turned off (by the end of the simulation). */
- if (xbt_swag_size(process_list) != 0) {
- std::string msg = std::string("Shutting down host, but it's not empty:");
- smx_actor_t process = nullptr;
-
- xbt_swag_foreach(process, process_list) msg = msg + "\n\t" + process->name.c_str();
-
- SIMIX_display_process_status();
- THROWF(arg_error, 0, "%s", msg.c_str());
- }
- for (auto const& arg : auto_restart_processes)
- delete arg;
- auto_restart_processes.clear();
- for (auto const& arg : boot_processes)
- delete arg;
- boot_processes.clear();
- xbt_swag_free(process_list);
- }
-
- /** Re-starts all the actors that are marked as restartable.
- *
- * Weird things will happen if you turn on an host that is already on. S4U is fool-proof, not this.
- */
- void Host::turnOn()
- {
- for (auto const& arg : boot_processes) {
- XBT_DEBUG("Booting Process %s(%s) right now", arg->name.c_str(), arg->host->getCname());
- smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), arg->code, nullptr, arg->host,
- arg->properties.get(), nullptr);
- if (arg->kill_time >= 0)
- simcall_process_set_kill_time(actor, arg->kill_time);
- if (arg->auto_restart)
- actor->auto_restart = arg->auto_restart;
- }
- }
-
-}} // namespaces
-
-/** @brief Stop the host if it is on */
-void SIMIX_host_off(sg_host_t h, smx_actor_t issuer)
-{
- simgrid::simix::Host* host = h->extension<simgrid::simix::Host>();
-
- xbt_assert((host != nullptr), "Invalid parameters");
-
- if (h->isOn()) {
- h->pimpl_cpu->turnOff();
-
- /* Clean Simulator data */
- if (xbt_swag_size(host->process_list) != 0) {
- smx_actor_t process = nullptr;
- xbt_swag_foreach(process, host->process_list) {
- SIMIX_process_kill(process, issuer);
- XBT_DEBUG("Killing %s@%s on behalf of %s which turned off that host.", process->getCname(),
- process->host->getCname(), issuer->getCname());
- }
- }
- } else {
- XBT_INFO("Host %s is already off", h->getCname());
- }
-}
-
-sg_host_t sg_host_self()
-{
- smx_actor_t process = SIMIX_process_self();
- return (process == nullptr) ? nullptr : process->host;
-}
-
-/* needs to be public and without simcall for exceptions and logging events */
-const char* sg_host_self_get_name()
-{
- sg_host_t host = sg_host_self();
- if (host == nullptr || SIMIX_process_self() == simix_global->maestro_process)
- return "";
-
- return host->getCname();
-}
-
-/**
- * \brief Add a process to the list of the processes that the host will restart when it comes back
- * This function add a process to the list of the processes that will be restarted when the host comes
- * back. It is expected that this function is called when the host is down.
- * The processes will only be restarted once, meaning that you will have to register the process
- * again to restart the process again.
- */
-void SIMIX_host_add_auto_restart_process(sg_host_t host, const char* name, std::function<void()> code, void* data,
- double kill_time, std::map<std::string, std::string>* properties,
- int auto_restart)
-{
- smx_process_arg_t arg = new simgrid::simix::ProcessArg();
- arg->name = name;
- arg->code = std::move(code);
- arg->data = data;
- arg->host = host;
- arg->kill_time = kill_time;
- arg->properties.reset(properties, [](decltype(properties)) {});
- arg->auto_restart = auto_restart;
-
- if (host->isOff() && watched_hosts.find(host->getCname()) == watched_hosts.end()) {
- watched_hosts.insert(host->getCname());
- XBT_DEBUG("Push host %s to watched_hosts because state == SURF_RESOURCE_OFF", host->getCname());
- }
- host->extension<simgrid::simix::Host>()->auto_restart_processes.push_back(arg);
-}
-/** @brief Restart the list of processes that have been registered to the host */
-void SIMIX_host_autorestart(sg_host_t host)
-{
- std::vector<simgrid::simix::ProcessArg*> process_list =
- host->extension<simgrid::simix::Host>()->auto_restart_processes;
-
- for (auto const& arg : process_list) {
- XBT_DEBUG("Restarting Process %s@%s right now", arg->name.c_str(), arg->host->getCname());
- smx_actor_t actor = simix_global->create_process_function(arg->name.c_str(), arg->code, nullptr, arg->host,
- arg->properties.get(), nullptr);
- if (arg->kill_time >= 0)
- simcall_process_set_kill_time(actor, arg->kill_time);
- if (arg->auto_restart)
- actor->auto_restart = arg->auto_restart;
- }
- process_list.clear();
-}
-
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl> simcall_HANDLER_execution_start(smx_simcall_t simcall,
- const char* name,
- double flops_amount,
- double priority, double bound)
-{
- return SIMIX_execution_start(simcall->issuer, name,flops_amount,priority,bound);
-}
-
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
-SIMIX_execution_start(smx_actor_t issuer, const char* name, double flops_amount, double priority, double bound)
-{
-
- /* alloc structures and initialize */
- simgrid::kernel::activity::ExecImplPtr exec =
- simgrid::kernel::activity::ExecImplPtr(new simgrid::kernel::activity::ExecImpl(name, issuer->host));
-
- /* set surf's action */
- if (not MC_is_active() && not MC_record_replay_is_active()) {
-
- exec->surf_exec = issuer->host->pimpl_cpu->execution_start(flops_amount);
- exec->surf_exec->setData(exec.get());
- exec->surf_exec->setSharingWeight(priority);
-
- if (bound > 0)
- static_cast<simgrid::surf::CpuAction*>(exec->surf_exec)->setBound(bound);
- }
-
- XBT_DEBUG("Create execute synchro %p: %s", exec.get(), exec->name.c_str());
-
- return exec;
-}
-
-boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
-SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
- double* bytes_amount, double rate, double timeout)