-/* Copyright (c) 2013-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2013-2019. 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 "src/plugins/vm/VirtualMachineImpl.hpp"
+#include "src/simix/smx_private.hpp"
+
#include <string>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_host, surf, "Logging specific to the SURF host module");
simgrid::surf::HostModel *surf_host_model = nullptr;
/*************
- * Callbacks *
+ * Callbacks *t
*************/
namespace simgrid {
/*********
* Model *
*********/
+/************
+ * Resource *
+ ************/
+HostImpl::HostImpl(s4u::Host* host) : piface_(host)
+{
+ /* The VM wants to reinstall a new HostImpl, but we don't want to leak the previously existing one */
+ delete piface_->pimpl_;
+ piface_->pimpl_ = this;
+}
-/* Each VM has a dummy CPU action on the PM layer. This CPU action works as the constraint (capacity) of the VM in the
- * PM layer. If the VM does not have any active task, the dummy CPU action must be deactivated, so that the VM does not
- * get any CPU share in the PM layer. */
-void HostModel::ignore_empty_vm_in_pm_LMM()
+HostImpl::~HostImpl()
{
- /* iterate for all virtual machines */
- for (s4u::VirtualMachine* const& ws_vm : vm::VirtualMachineImpl::allVms_) {
- Cpu* cpu = ws_vm->pimpl_cpu;
- int active_tasks = cpu->get_constraint()->get_variable_amount();
-
- /* The impact of the VM over its PM is the min between its vCPU amount and the amount of tasks it contains */
- int impact = std::min(active_tasks, ws_vm->getImpl()->get_core_amount());
-
- XBT_DEBUG("set the weight of the dummy CPU action of VM%p on PM to %d (#tasks: %d)", ws_vm, impact, active_tasks);
- if (impact > 0)
- ws_vm->getImpl()->action_->set_priority(1. / impact);
- else
- ws_vm->getImpl()->action_->set_priority(0.);
+ /* All actors should be gone when the host is turned off (by the end of the simulation). */
+ if (not actor_list_.empty()) {
+ std::string msg = std::string("Shutting down host, but it's not empty:");
+ for (auto const& actor : actor_list_)
+ msg += "\n\t" + std::string(actor.get_name());
+
+ simix_global->display_all_actor_status();
+ xbt_die("%s", msg.c_str());
}
+ for (auto const& arg : actors_at_boot_)
+ delete arg;
+ actors_at_boot_.clear();
+
+ for (auto const& d : disks_)
+ d->destroy();
}
-/* Helper function for executeParallelTask */
-static inline double has_cost(double* array, int pos)
+/** Re-starts all the actors that are marked as restartable.
+ *
+ * Weird things will happen if you turn on a host that is already on. S4U is fool-proof, not this.
+ */
+void HostImpl::turn_on()
{
- if (array)
- return array[pos];
- else
- return -1.0;
+ for (auto const& arg : actors_at_boot_) {
+ XBT_DEBUG("Booting Actor %s(%s) right now", arg->name.c_str(), arg->host->get_cname());
+ simgrid::kernel::actor::ActorImplPtr actor = simgrid::kernel::actor::ActorImpl::create(
+ arg->name, arg->code, nullptr, arg->host, arg->properties.get(), nullptr);
+ if (arg->on_exit)
+ *actor->on_exit = *arg->on_exit;
+ if (arg->kill_time >= 0)
+ actor->set_kill_time(arg->kill_time);
+ if (arg->auto_restart)
+ actor->set_auto_restart(arg->auto_restart);
+ if (arg->daemon_)
+ actor->daemonize();
+ }
}
-kernel::resource::Action* HostModel::execute_parallel(int host_nb, s4u::Host** host_list, double* flops_amount,
- double* bytes_amount, double rate)
+/** Kill all actors hosted here */
+void HostImpl::turn_off(kernel::actor::ActorImpl* issuer)
{
- kernel::resource::Action* action = nullptr;
- if ((host_nb == 1) && (has_cost(bytes_amount, 0) <= 0)) {
- action = host_list[0]->pimpl_cpu->execution_start(flops_amount[0]);
- } else if ((host_nb == 1) && (has_cost(flops_amount, 0) <= 0)) {
- action = surf_network_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate);
- } else if ((host_nb == 2) && (has_cost(flops_amount, 0) <= 0) && (has_cost(flops_amount, 1) <= 0)) {
- int nb = 0;
- double value = 0.0;
-
- for (int i = 0; i < host_nb * host_nb; i++) {
- if (has_cost(bytes_amount, i) > 0.0) {
- nb++;
- value = has_cost(bytes_amount, i);
- }
- }
- if (nb == 1) {
- action = surf_network_model->communicate(host_list[0], host_list[1], value, rate);
- } else if (nb == 0) {
- xbt_die("Cannot have a communication with no flop to exchange in this model. You should consider using the "
- "ptask model");
- } else {
- xbt_die("Cannot have a communication that is not a simple point-to-point in this model. You should consider "
- "using the ptask model");
- }
- } else {
- xbt_die(
- "This model only accepts one of the following. You should consider using the ptask model for the other cases.\n"
- " - execution with one host only and no communication\n"
- " - Self-comms with one host only\n"
- " - Communications with two hosts and no computation");
+ for (auto& actor : actor_list_) {
+ XBT_DEBUG("Killing Actor %s@%s on behalf of %s which turned off that host.", actor.get_cname(),
+ actor.get_host()->get_cname(), issuer->get_cname());
+ issuer->kill(&actor);
}
- delete[] host_list;
- delete[] flops_amount;
- delete[] bytes_amount;
- return action;
+ // When a host is turned off, we want to keep only the actors that should restart for when it will boot again.
+ // Then get rid of the others.
+ auto elm = remove_if(begin(actors_at_boot_), end(actors_at_boot_), [](kernel::actor::ProcessArg* arg) {
+ if (arg->auto_restart)
+ return false;
+ delete arg;
+ return true;
+ });
+ actors_at_boot_.erase(elm, end(actors_at_boot_));
}
-/************
- * Resource *
- ************/
-HostImpl::HostImpl(s4u::Host* host) : piface_(host)
+std::vector<s4u::ActorPtr> HostImpl::get_all_actors()
{
- /* The VM wants to reinstall a new HostImpl, but we don't want to leak the previously existing one */
- delete piface_->pimpl_;
- piface_->pimpl_ = this;
+ std::vector<s4u::ActorPtr> res;
+ for (auto& actor : actor_list_)
+ res.push_back(actor.ciface());
+ return res;
+}
+size_t HostImpl::get_actor_count()
+{
+ return actor_list_.size();
+}
+
+std::vector<s4u::Disk*> HostImpl::get_disks()
+{
+ std::vector<s4u::Disk*> disks;
+ for (auto const& d : disks_)
+ disks.push_back(d->get_iface());
+ return disks;
+}
+
+void HostImpl::add_disk(s4u::Disk* disk)
+{
+ disks_.push_back(disk->get_impl());
+}
+
+void HostImpl::remove_disk(const std::string& disk_name)
+{
+ auto position = disks_.begin();
+ for (auto const& d : disks_) {
+ if (d->get_name() == disk_name) {
+ disks_.erase(position);
+ break;
+ }
+ position++;
+ }
}
std::vector<const char*> HostImpl::get_attached_storages()
{
std::vector<const char*> storages;
for (auto const& s : storage_)
- if (s.second->getHost() == piface_->get_cname())
- storages.push_back(s.second->piface_.get_cname());
+ if (s.second->get_host() == piface_->get_cname())
+ storages.push_back(s.second->get_iface()->get_cname());
return storages;
}
-}
-}
+} // namespace surf
+} // namespace simgrid
