- if (surf_energy == NULL) {
- surf_energy = new std::map<CpuPtr, CpuEnergyPtr>();
- surf_callback_connect(cpuCreatedCallbacks, energyCpuCreatedCallback);
- surf_callback_connect(cpuDestructedCallbacks, energyCpuDestructedCallback);
- surf_callback_connect(cpuActionStateChangedCallbacks, energyCpuActionStateChangedCallback);
- surf_callback_connect(surfExitCallbacks, sg_energy_plugin_exit);
+ if (simgrid::energy::surf_energy == NULL) {
+
+ simgrid::energy::surf_energy = new std::map<simgrid::surf::Host*, simgrid::energy::HostEnergy*>();
+
+ /* The following attaches an anonymous function to the Host::onCreation signal */
+ /* Search for "C++ lambda" for more information on the syntax used here */
+ simgrid::surf::Host::onCreation.connect([](simgrid::surf::Host *host) {
+ if (dynamic_cast<simgrid::surf::VirtualMachine*>(host)) // Ignore virtual machines
+ return;
+
+ (*simgrid::energy::surf_energy)[host] = new HostEnergy(host);
+ });
+
+ simgrid::surf::Host::onDestruction.connect([](simgrid::surf::Host *host) {
+ if (dynamic_cast<simgrid::surf::VirtualMachine*>(host)) // Ignore virtual machines
+ return;
+
+ std::map<simgrid::surf::Host*, HostEnergy*>::iterator host_energy_it = simgrid::energy::surf_energy->find(host);
+ xbt_assert(host_energy_it != simgrid::energy::surf_energy->end(), "The host is not in surf_energy.");
+
+ HostEnergy *host_energy = host_energy_it->second;
+ update_consumption(host, host_energy);
+
+ XBT_INFO("Total energy of host %s: %f Joules", host->getName(), host_energy->getConsumedEnergy());
+ host_energy_it->second->unref();
+ simgrid::energy::surf_energy->erase(host_energy_it);
+ });
+
+ simgrid::surf::CpuAction::onStateChange.connect([](simgrid::surf::CpuAction *action,
+ e_surf_action_state_t old,
+ e_surf_action_state_t cur) {
+ const char *name = getActionCpu(action)->getName();
+ simgrid::surf::Host *host = sg_host_by_name(name)->extension<simgrid::surf::Host>();
+ simgrid::surf::VirtualMachine *vm = dynamic_cast<simgrid::surf::VirtualMachine*>(host);
+ if (vm) // If it's a VM, take the corresponding PM
+ host = vm->getPm()->extension<simgrid::surf::Host>();
+
+ HostEnergy *host_energy = (*simgrid::energy::surf_energy)[host];
+
+ if(host_energy->last_updated < surf_get_clock())
+ update_consumption(host, host_energy);
+
+ });
+
+ simgrid::surf::Host::onStateChange.connect([] (simgrid::surf::Host *host) {
+ if (dynamic_cast<simgrid::surf::VirtualMachine*>(host)) // Ignore virtual machines
+ return;
+
+ HostEnergy *host_energy = (*simgrid::energy::surf_energy)[host];
+
+ if(host_energy->last_updated < surf_get_clock())
+ update_consumption(host, host_energy);
+ });
+
+ simgrid::surf::surfExitCallbacks.connect([]() {
+ delete simgrid::energy::surf_energy;
+ simgrid::energy::surf_energy = NULL;
+ });