/* 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 <string>
+#include <functional>
+#include <stdexcept>
+
+#include <unordered_map>
+
+#include <simgrid/simix.hpp>
+
#include "xbt/log.h"
#include "src/msg/msg_private.h"
#include "src/simix/smx_process_private.h"
+#include "src/simix/smx_private.hpp"
+#include "src/surf/cpu_interface.hpp"
+#include "src/surf/host_interface.hpp"
#include "simgrid/s4u/host.hpp"
#include "simgrid/s4u/storage.hpp"
+int MSG_HOST_LEVEL;
+int SD_HOST_LEVEL;
+int SIMIX_HOST_LEVEL;
+int ROUTING_HOST_LEVEL;
+int USER_HOST_LEVEL;
+
namespace simgrid {
namespace s4u {
-boost::unordered_map<std::string, Host*> *Host::hosts
- = new boost::unordered_map<std::string, Host*>();
+simgrid::xbt::signal<void(Host&)> Host::onCreation;
+simgrid::xbt::signal<void(Host&)> Host::onDestruction;
+simgrid::xbt::signal<void(Host&)> Host::onStateChange;
-Host::Host(const char*name) {
- p_inferior = sg_host_by_name(name);
- if (p_inferior==NULL)
- xbt_die("No such host: %s",name); //FIXME: raise an exception
+Host::Host(const char* name)
+ : name_(name)
+{
}
+
Host::~Host() {
+ delete pimpl_cpu;
if (mounts != NULL)
delete mounts;
}
-Host *Host::byName(std::string name) {
- Host * res = NULL;
- try {
- res = hosts->at(name);
- } catch (std::out_of_range& e) {}
-
- if (res==NULL) {
- res = new Host(name.c_str());
- hosts->insert({name,res});
- }
- return res;
+Host *Host::by_name(std::string name) {
+ Host* host = Host::by_name_or_null(name.c_str());
+ // TODO, raise an exception instead?
+ if (host == nullptr)
+ xbt_die("No such host: %s", name.c_str());
+ return host;
}
+
Host *Host::current(){
smx_process_t smx_proc = SIMIX_process_self();
if (smx_proc == NULL)
xbt_die("Cannot call Host::current() from the maestro context");
-
- return Host::byName(sg_host_get_name(SIMIX_process_get_host(smx_proc)));
+ return SIMIX_process_get_host(smx_proc);
}
-const char* Host::name() {
- return sg_host_get_name(p_inferior);
+void Host::turn_on() {
+ simgrid::simix::kernel(std::bind(SIMIX_host_on, this));
}
-void Host::turnOn() {
- simcall_host_on(p_inferior);
+void Host::turn_off() {
+ simgrid::simix::kernel(std::bind(SIMIX_host_off, this, SIMIX_process_self()));
}
-void Host::turnOff() {
- simcall_host_off(p_inferior);
+
+bool Host::is_on() {
+ return this->pimpl_cpu->isOn();
}
-bool Host::isOn() {
- return sg_host_get_state(p_inferior);
+
+int Host::pstates_count() const {
+ return this->pimpl_cpu->getNbPStates();
}
-boost::unordered_map<std::string, Storage&> &Host::mountedStorages() {
+boost::unordered_map<std::string, Storage*> const& Host::mounted_storages() {
if (mounts == NULL) {
- mounts = new boost::unordered_map<std::string, Storage&> ();
+ mounts = new boost::unordered_map<std::string, Storage*> ();
- xbt_dict_t dict = simcall_host_get_mounted_storage_list(p_inferior);
+ xbt_dict_t dict = this->mounted_storages_as_dict();
xbt_dict_cursor_t cursor;
char *mountname;
char *storagename;
xbt_dict_foreach(dict, cursor, mountname, storagename) {
- mounts->insert({mountname, Storage::byName(storagename)});
+ mounts->insert({mountname, &Storage::byName(storagename)});
}
xbt_dict_free(&dict);
}
return *mounts;
}
+/** Get the properties assigned to a host */
+xbt_dict_t Host::properties() {
+ return simgrid::simix::kernel([&] {
+ simgrid::surf::Host* surf_host = this->extension<simgrid::surf::Host>();
+ return surf_host->getProperties();
+ });
+}
+
+/** Get the processes attached to the host */
+xbt_swag_t Host::processes()
+{
+ return simgrid::simix::kernel([&]() {
+ return ((smx_host_priv_t)this->extension(SIMIX_HOST_LEVEL))->process_list;
+ });
+}
+
+/** Get the peak power of a host */
+double Host::current_power_peak()
+{
+ return simgrid::simix::kernel([&] {
+ return this->pimpl_cpu->getCurrentPowerPeak();
+ });
+}
+
+/** Get one power peak (in flops/s) of a host at a given pstate */
+double Host::power_peak_at(int pstate_index)
+{
+ return simgrid::simix::kernel([&] {
+ return this->pimpl_cpu->getPowerPeakAt(pstate_index);
+ });
+}
+
+/** @brief Get the speed of the cpu associated to a host */
+double Host::speed() {
+ return pimpl_cpu->getSpeed(1.0);
+}
+/** @brief Returns the number of core of the processor. */
+int Host::core_count() {
+ return pimpl_cpu->getCore();
+}
+
+Host* Host::by_name_or_null(const char* name)
+{
+ return (Host*) xbt_dict_get_or_null(host_list, name);
+}
+
+Host* Host::by_name_or_create(const char* name)
+{
+ Host* host = by_name_or_null(name);
+ if (host == nullptr) {
+ host = new Host(name);
+ xbt_dict_set(host_list, name, host, NULL);
+ }
+ return host;
+}
+
+/** @brief Set the pstate at which the host should run */
+void Host::set_pstate(int pstate_index)
+{
+ simgrid::simix::kernel(std::bind(
+ &simgrid::surf::Cpu::setPState, pimpl_cpu, pstate_index
+ ));
+}
+/** @brief Retrieve the pstate at which the host is currently running */
+int Host::pstate()
+{
+ return pimpl_cpu->getPState();
+}
+
+void Host::get_parameters(vm_params_t params)
+{
+ simgrid::simix::kernel([&]() {
+ this->extension<simgrid::surf::Host>()->getParams(params);
+ });
+}
+
+void Host::set_parameters(vm_params_t params)
+{
+ simgrid::simix::kernel([&]() {
+ this->extension<simgrid::surf::Host>()->setParams(params);
+ });
+}
+
+/**
+ * \ingroup simix_storage_management
+ * \brief Returns the list of storages mounted on an host.
+ * \return a dict containing all storages mounted on the host
+ */
+xbt_dict_t Host::mounted_storages_as_dict()
+{
+ return simgrid::simix::kernel([&] {
+ return this->extension<simgrid::surf::Host>()->getMountedStorageList();
+ });
+}
+
+/**
+ * \ingroup simix_storage_management
+ * \brief Returns the list of storages attached to an host.
+ * \return a dict containing all storages attached to the host
+ */
+xbt_dynar_t Host::attached_storages()
+{
+ return simgrid::simix::kernel([&] {
+ return this->extension<simgrid::surf::Host>()->getAttachedStorageList();
+ });
+}
} // namespace simgrid
} // namespace s4u
