-/* Copyright (c) 2013-2017. 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 <vector>
#include "simgrid/host.h"
+#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 "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
-namespace simgrid {
-namespace s4u {
-extern std::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 const& kv : simgrid::s4u::host_list)
- names.push_back(kv.second->getName());
-
- std::sort(names.begin(), names.end());
-
- for (auto const& name : names)
- simgrid::s4u::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 simgrid::s4u::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)
{
xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),nullptr);
- for (auto const& kv : simgrid::s4u::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);
}
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)
{
return host->pimpl_cpu->getAvailableSpeed();
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) {
xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f);
}
}
-} // 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;
+}