-/* Copyright (c) 2013-2016. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2013-2017. 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 "xbt/dict.h"
+#include <algorithm>
+#include <vector>
+
#include "simgrid/host.h"
-#include <xbt/Extendable.hpp>
-#include <simgrid/s4u/host.hpp>
-#include "surf/surf.h" // routing_get_network_element_type FIXME:killme
+#include "simgrid/s4u/Engine.hpp"
+#include "simgrid/s4u/Host.hpp"
+#include "xbt/Extendable.hpp"
+#include "xbt/dict.h"
-#include "src/simix/smx_private.hpp"
-#include "src/surf/host_interface.hpp"
+#include "src/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");
+extern "C" {
+
size_t sg_host_count()
{
- return xbt_dict_length(host_list);
+ return simgrid::s4u::Engine::getInstance()->getHostCount();
}
/** @brief Returns the host list
*
* internally).
* \see sg_host_count()
*/
-const sg_host_t *sg_host_list(void) {
+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());
}
const char *sg_host_get_name(sg_host_t host)
{
- return host->name().c_str();
+ return host->getCname();
}
void* sg_host_extension_get(sg_host_t host, size_t ext)
return simgrid::s4u::Host::by_name_or_null(name);
}
-sg_host_t sg_host_by_name_or_create(const char *name)
+static int hostcmp_voidp(const void* pa, const void* pb)
{
- return simgrid::s4u::Host::by_name_or_create(name);
+ 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(void)
+xbt_dynar_t sg_hosts_as_dynar()
{
- xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),NULL);
+ xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),nullptr);
- xbt_dict_cursor_t cursor = nullptr;
- const char* name = nullptr;
- simgrid::s4u::Host* host = nullptr;
- xbt_dict_foreach(host_list, cursor, name, host)
- if(routing_get_network_element_type(name) == SURF_NETWORK_ELEMENT_HOST)
- xbt_dynar_push(res, &host);
+ std::vector<simgrid::s4u::Host*> list;
+ simgrid::s4u::Engine::getInstance()->getHostList(&list);
+
+ for (auto const& host : list) {
+ if (host && host->pimpl_netpoint && host->pimpl_netpoint->isHost())
+ xbt_dynar_push(res, &host);
+ }
+ xbt_dynar_sort(res, hostcmp_voidp);
return res;
}
// ========= Layering madness ==============*
-#include "src/msg/msg_private.h" // MSG_host_priv_free. FIXME: killme by initializing that level in msg when used
-#include "src/simix/smx_host_private.h" // SIMIX_host_destroy. FIXME: killme by initializing that level in simix when used
-#include "src/surf/cpu_interface.hpp"
-#include "src/surf/surf_routing.hpp"
-
-void sg_host_init()
-{
- MSG_HOST_LEVEL = simgrid::s4u::Host::extension_create([](void *p) {
- __MSG_host_priv_free((msg_host_priv_t) p);
- });
-
- ROUTING_HOST_LEVEL = simgrid::s4u::Host::extension_create([](void *p) {
- delete static_cast<simgrid::surf::NetCard*>(p);
- });
-
- SD_HOST_LEVEL = simgrid::s4u::Host::extension_create(NULL);
- SIMIX_HOST_LEVEL = simgrid::s4u::Host::extension_create(SIMIX_host_destroy);
- USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(NULL);
-}
-
// ========== 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 (smx_host_priv_t) host->extension(SIMIX_HOST_LEVEL);
-}
-void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
- host->extension_set(SIMIX_HOST_LEVEL, smx_host);
-}
-void sg_host_simix_destroy(sg_host_t host) {
- host->extension_set(SIMIX_HOST_LEVEL, nullptr);
-}
-
// ========= storage related functions ============
xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host){
- return host->extension<simgrid::surf::Host>()->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->extension<simgrid::surf::Host>()->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
- */
+/** @brief Returns the total speed of a host */
double sg_host_speed(sg_host_t host)
{
- return host->speed();
+ return host->getSpeed();
}
-double sg_host_get_available_speed(sg_host_t host){
- return surf_host_get_available_speed(host);
-}
-/** @brief Returns the number of cores of a host
-*/
-int sg_host_core_count(sg_host_t host) {
- return host->core_count();
+/** \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();
}
-/** @brief Returns the state of a host.
- * @return 1 if the host is active or 0 if it has crashed.
- */
-int sg_host_is_on(sg_host_t host) {
- return host->is_on();
+double sg_host_get_available_speed(sg_host_t host)
+{
+ return host->pimpl_cpu->getAvailableSpeed();
}
/** @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->pstates_count();
+ 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->set_pstate(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
*
* \param host a host
* \param name a property name
- * \return value of a property (or NULL if property not set)
+ * \return value of a property (or nullptr if property not set)
*/
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);
}
-/** @brief Displays debugging informations about a host */
-void sg_host_dump(sg_host_t host)
+void sg_host_set_property_value(sg_host_t host, const char* name, const char* value)
{
- xbt_dict_t props;
- xbt_dict_cursor_t cursor=NULL;
- char *key,*data;
+ host->setProperty(name, value);
+}
- XBT_INFO("Displaying host %s", sg_host_get_name(host));
- XBT_INFO(" - speed: %.0f", sg_host_speed(host));
+/**
+ * \brief Find a route between two hosts
+ *
+ * \param from where from
+ * \param to where to
+ * \param links [OUT] where to store the list of links (must exist, cannot be nullptr).
+ */
+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 const& link : vlinks)
+ xbt_dynar_push(links, &link);
+}
+/**
+ * \brief Find the latency of the route between two hosts
+ *
+ * \param from where from
+ * \param to where to
+ */
+double sg_host_route_latency(sg_host_t from, sg_host_t to)
+{
+ std::vector<simgrid::s4u::Link*> vlinks;
+ double res = 0;
+ from->routeTo(to, vlinks, &res);
+ return res;
+}
+/**
+ * \brief Find the bandwitdh of the route between two hosts
+ *
+ * \param from where from
+ * \param to where to
+ */
+double sg_host_route_bandwidth(sg_host_t from, sg_host_t to)
+{
+ double min_bandwidth = -1.0;
+
+ std::vector<simgrid::s4u::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;
+ }
+ return min_bandwidth;
+}
+
+/** @brief Displays debugging information about a host */
+void sg_host_dump(sg_host_t host)
+{
+ 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 = sg_host_get_properties(host);
+ 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"
