-/* Copyright (c) 2013-2016. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2013-2018. 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 <algorithm>
#include <vector>
-#include "xbt/dict.h"
#include "simgrid/host.h"
-#include <xbt/Extendable.hpp>
-#include <simgrid/s4u/host.hpp>
+#include "simgrid/s4u/Engine.hpp"
+#include "simgrid/s4u/Host.hpp"
+#include "xbt/Extendable.hpp"
+#include "xbt/dict.h"
-#include "src/kernel/routing/NetPoint.hpp"
-#include "src/simix/smx_host_private.h"
+#include "simgrid/kernel/routing/NetPoint.hpp"
+#include "src/simix/smx_host_private.hpp"
#include "src/surf/HostImpl.hpp"
+#include "src/surf/cpu_interface.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sg_host, sd, "Logging specific to sg_hosts");
-// FIXME: The following duplicates the content of s4u::Host
-extern std::unordered_map<std::string, simgrid::s4u::Host*> host_list;
-
-extern "C" {
-
-void sg_host_exit()
-{
- /* copy all names to not modify the map while iterating over it.
- *
- * Plus, the hosts are destroyed in the lexicographic order to ensure
- * that the output is reproducible: we don't want to kill them in the
- * pointer order as it could be platform-dependent, which would break
- * the tests.
- */
- std::vector<std::string> names = std::vector<std::string>();
- for (auto kv : host_list)
- names.push_back(kv.second->name());
-
- std::sort(names.begin(), names.end());
-
- for (auto name : names)
- host_list.at(name)->destroy();
-
- // host_list.clear(); This would be sufficient if the dict would contain smart_ptr. It's now useless
-}
-
size_t sg_host_count()
{
- return host_list.size();
+ return simgrid::s4u::Engine::getInstance()->getHostCount();
}
/** @brief Returns the host list
*
*/
sg_host_t *sg_host_list() {
xbt_assert(sg_host_count() > 0, "There is no host!");
- return (sg_host_t*)xbt_dynar_to_array(sg_hosts_as_dynar());
+ std::vector<simgrid::s4u::Host*> hosts = simgrid::s4u::Engine::getInstance()->getAllHosts();
+
+ sg_host_t* res = (sg_host_t*)malloc(sizeof(sg_host_t) * hosts.size());
+ memcpy(res, hosts.data(), sizeof(sg_host_t) * hosts.size());
+
+ return res;
}
const char *sg_host_get_name(sg_host_t host)
{
- return host->cname();
+ return host->getCname();
}
void* sg_host_extension_get(sg_host_t host, size_t ext)
static int hostcmp_voidp(const void* pa, const void* pb)
{
- return strcmp((*static_cast<simgrid::s4u::Host* const*>(pa))->cname(),
- (*static_cast<simgrid::s4u::Host* const*>(pb))->cname());
+ return strcmp((*static_cast<simgrid::s4u::Host* const*>(pa))->getCname(),
+ (*static_cast<simgrid::s4u::Host* const*>(pb))->getCname());
}
xbt_dynar_t sg_hosts_as_dynar()
{
xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),nullptr);
- for (auto kv : host_list) {
- simgrid::s4u::Host* host = kv.second;
+ std::vector<simgrid::s4u::Host*> list = simgrid::s4u::Engine::getInstance()->getAllHosts();
+
+ for (auto const& host : list) {
if (host && host->pimpl_netpoint && host->pimpl_netpoint->isHost())
xbt_dynar_push(res, &host);
}
// ========= Layering madness ==============*
-#include "src/surf/cpu_interface.hpp"
-
// ========== User data Layer ==========
void *sg_host_user(sg_host_t host) {
return host->extension(USER_HOST_LEVEL);
host->extension_set(USER_HOST_LEVEL, nullptr);
}
-// ========== MSG Layer ==============
-msg_host_priv_t sg_host_msg(sg_host_t host) {
- return (msg_host_priv_t) host->extension(MSG_HOST_LEVEL);
-}
-void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
- host->extension_set(MSG_HOST_LEVEL, smx_host);
-}
-
-// ========== Simix layer =============
-smx_host_priv_t sg_host_simix(sg_host_t host){
- return host->extension<simgrid::simix::Host>();
-}
-
// ========= storage related functions ============
xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host){
- return host->pimpl_->getMountedStorageList();
+ xbt_assert((host != nullptr), "Invalid parameters");
+ xbt_dict_t res = xbt_dict_new_homogeneous(nullptr);
+ for (auto const& elm : host->getMountedStorages()) {
+ const char* mount_name = elm.first.c_str();
+ sg_storage_t storage = elm.second;
+ xbt_dict_set(res, mount_name, (void*)storage->getCname(), nullptr);
+ }
+
+ return res;
}
xbt_dynar_t sg_host_get_attached_storage_list(sg_host_t host){
- return host->pimpl_->getAttachedStorageList();
+ std::vector<const char*>* storage_vector = new std::vector<const char*>();
+ xbt_dynar_t storage_dynar = xbt_dynar_new(sizeof(const char*), nullptr);
+ host->getAttachedStorages(storage_vector);
+ for (auto const& name : *storage_vector)
+ xbt_dynar_push(storage_dynar, &name);
+ delete storage_vector;
+ return storage_dynar;
}
-
// =========== user-level functions ===============
// ================================================
/** @brief Returns the total speed of a host */
double sg_host_speed(sg_host_t host)
{
- return host->speed();
+ return host->getSpeed();
+}
+
+/** \brief Return the speed of the processor (in flop/s) at a given pstate. See also @ref plugin_energy.
+ *
+ * \param host host to test
+ * \param pstate_index pstate to test
+ * \return Returns the processor speed associated with pstate_index
+ */
+double sg_host_get_pstate_speed(sg_host_t host, int pstate_index)
+{
+ return host->getPstateSpeed(pstate_index);
+}
+
+/** \ingroup m_host_management
+ * \brief Return the number of cores.
+ *
+ * \param host a host
+ * \return the number of cores
+ */
+int sg_host_core_count(sg_host_t host)
+{
+ return host->getCoreCount();
}
double sg_host_get_available_speed(sg_host_t host)
/** @brief Returns the number of power states for a host.
*
- * See also @ref SURF_plugin_energy.
+ * See also @ref plugin_energy.
*/
int sg_host_get_nb_pstates(sg_host_t host) {
- return host->pstatesCount();
+ return host->getPstatesCount();
}
/** @brief Gets the pstate at which that host currently runs.
*
- * See also @ref SURF_plugin_energy.
+ * See also @ref plugin_energy.
*/
int sg_host_get_pstate(sg_host_t host) {
- return host->pstate();
+ return host->getPstate();
}
/** @brief Sets the pstate at which that host should run.
*
- * See also @ref SURF_plugin_energy.
+ * See also @ref plugin_energy.
*/
void sg_host_set_pstate(sg_host_t host,int pstate) {
host->setPstate(pstate);
}
+/** \ingroup m_host_management
+ *
+ * \brief Start the host if it is off
+ *
+ * See also #sg_host_is_on() and #sg_host_is_off() to test the current state of the host and @ref plugin_energy
+ * for more info on DVFS.
+ */
+void sg_host_turn_on(sg_host_t host)
+{
+ host->turnOn();
+}
+
+/** \ingroup m_host_management
+ *
+ * \brief Stop the host if it is on
+ *
+ * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref plugin_energy
+ * for more info on DVFS.
+ */
+void sg_host_turn_off(sg_host_t host)
+{
+ host->turnOff();
+}
+
+/** @ingroup m_host_management
+ * @brief Determine if a host is up and running.
+ *
+ * See also #sg_host_turn_on() and #sg_host_turn_off() to switch the host ON and OFF and @ref plugin_energy for more
+ * info on DVFS.
+ *
+ * @param host host to test
+ * @return Returns true if the host is up and running, and false if it's currently down
+ */
+int sg_host_is_on(sg_host_t host)
+{
+ return host->isOn();
+}
+
+/** @ingroup m_host_management
+ * @brief Determine if a host is currently off.
+ *
+ * See also #sg_host_turn_on() and #sg_host_turn_off() to switch the host ON and OFF and @ref plugin_energy for more
+ * info on DVFS.
+ */
+int sg_host_is_off(sg_host_t host)
+{
+ return host->isOff();
+}
+
/** @brief Get the properties of an host */
xbt_dict_t sg_host_get_properties(sg_host_t host) {
- return host->properties();
+ xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f);
+ std::map<std::string, std::string>* props = host->getProperties();
+ if (props == nullptr)
+ return nullptr;
+ for (auto const& elm : *props) {
+ xbt_dict_set(as_dict, elm.first.c_str(), xbt_strdup(elm.second.c_str()), nullptr);
+ }
+ return as_dict;
}
/** \ingroup m_host_management
*/
const char *sg_host_get_property_value(sg_host_t host, const char *name)
{
- return (const char*) xbt_dict_get_or_null(sg_host_get_properties(host), name);
+ return host->getProperty(name);
+}
+
+void sg_host_set_property_value(sg_host_t host, const char* name, const char* value)
+{
+ host->setProperty(name, value);
}
+
/**
* \brief Find a route between two hosts
*
void sg_host_route(sg_host_t from, sg_host_t to, xbt_dynar_t links)
{
std::vector<simgrid::s4u::Link*> vlinks;
- from->routeTo(to, &vlinks, nullptr);
- for (auto link : vlinks)
+ from->routeTo(to, vlinks, nullptr);
+ for (auto const& link : vlinks)
xbt_dynar_push(links, &link);
}
/**
{
std::vector<simgrid::s4u::Link*> vlinks;
double res = 0;
- from->routeTo(to, &vlinks, &res);
+ from->routeTo(to, vlinks, &res);
return res;
}
/**
double min_bandwidth = -1.0;
std::vector<simgrid::s4u::Link*> vlinks;
- from->routeTo(to, &vlinks, nullptr);
- for (auto link : vlinks) {
+ from->routeTo(to, vlinks, nullptr);
+ for (auto const& link : vlinks) {
double bandwidth = link->bandwidth();
if (bandwidth < min_bandwidth || min_bandwidth < 0.0)
min_bandwidth = bandwidth;
/** @brief Displays debugging information about a host */
void sg_host_dump(sg_host_t host)
{
- xbt_dict_t props;
- xbt_dict_cursor_t cursor=nullptr;
- char *key,*data;
-
- XBT_INFO("Displaying host %s", host->cname());
- XBT_INFO(" - speed: %.0f", host->speed());
+ XBT_INFO("Displaying host %s", host->getCname());
+ XBT_INFO(" - speed: %.0f", host->getSpeed());
XBT_INFO(" - available speed: %.2f", sg_host_get_available_speed(host));
- props = host->properties();
+ std::map<std::string, std::string>* props = host->getProperties();
- if (!xbt_dict_is_empty(props)){
+ if (not props->empty()) {
XBT_INFO(" - properties:");
-
- xbt_dict_foreach(props,cursor,key,data) {
- XBT_INFO(" %s->%s",key,data);
+ for (auto const& elm : *props) {
+ XBT_INFO(" %s->%s", elm.first.c_str(), elm.second.c_str());
}
}
}
-} // extern "C"
+/** \brief Return the list of actors attached to an host.
+ *
+ * \param host a host
+ * \param whereto a dynar in which we should push actors living on that host
+ */
+void sg_host_get_actor_list(sg_host_t host, xbt_dynar_t whereto)
+{
+ for (auto& actor : host->extension<simgrid::simix::Host>()->process_list) {
+ s4u_Actor* p = actor.ciface();
+ xbt_dynar_push(whereto, &p);
+ }
+}
+
+sg_host_t sg_host_self()
+{
+ smx_actor_t process = SIMIX_process_self();
+ return (process == nullptr) ? nullptr : process->host;
+}