1 /* Copyright (c) 2013-201. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include <simgrid/simix.hpp>
10 #include "simgrid/host.h"
11 #include "simgrid/Host.hpp"
12 #include "surf/surf.h" // routing_get_network_element_type FIXME:killme
14 #include "src/simix/smx_private.hpp"
16 size_t sg_host_count()
18 return xbt_dict_length(host_list);
21 const char *sg_host_get_name(sg_host_t host)
23 return host->getName().c_str();
26 void* sg_host_extension_get(sg_host_t host, size_t ext)
28 return host->extension(ext);
31 size_t sg_host_extension_create(void(*deleter)(void*))
33 return simgrid::Host::extension_create(deleter);
36 sg_host_t sg_host_by_name(const char *name)
38 return simgrid::Host::by_name_or_null(name);
41 sg_host_t sg_host_by_name_or_create(const char *name)
43 return simgrid::Host::by_name_or_create(name);
46 xbt_dynar_t sg_hosts_as_dynar(void)
48 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),NULL);
50 xbt_dict_cursor_t cursor = nullptr;
51 const char* name = nullptr;
52 simgrid::Host* host = nullptr;
53 xbt_dict_foreach(host_list, cursor, name, host)
54 if(routing_get_network_element_type(name) == SURF_NETWORK_ELEMENT_HOST)
55 xbt_dynar_push(res, &host);
59 // ========= Layering madness ==============
64 int ROUTING_HOST_LEVEL;
67 #include "src/msg/msg_private.h" // MSG_host_priv_free. FIXME: killme by initializing that level in msg when used
68 #include "src/simdag/simdag_private.h" // __SD_workstation_destroy. FIXME: killme by initializing that level in simdag when used
69 #include "src/simix/smx_host_private.h" // SIMIX_host_destroy. FIXME: killme by initializing that level in simix when used
70 #include "src/surf/cpu_interface.hpp"
71 #include "src/surf/surf_routing.hpp"
75 MSG_HOST_LEVEL = simgrid::Host::extension_create([](void *p) {
76 __MSG_host_priv_free((msg_host_priv_t) p);
79 ROUTING_HOST_LEVEL = simgrid::Host::extension_create([](void *p) {
80 delete static_cast<simgrid::surf::NetCard*>(p);
83 SD_HOST_LEVEL = simgrid::Host::extension_create(__SD_workstation_destroy);
84 SIMIX_HOST_LEVEL = simgrid::Host::extension_create(SIMIX_host_destroy);
85 USER_HOST_LEVEL = simgrid::Host::extension_create(NULL);
88 // ========== User data Layer ==========
89 void *sg_host_user(sg_host_t host) {
90 return host->extension(USER_HOST_LEVEL);
92 void sg_host_user_set(sg_host_t host, void* userdata) {
93 host->extension_set(USER_HOST_LEVEL,userdata);
95 void sg_host_user_destroy(sg_host_t host) {
96 host->extension_set(USER_HOST_LEVEL, nullptr);
99 // ========== MSG Layer ==============
100 msg_host_priv_t sg_host_msg(sg_host_t host) {
101 return (msg_host_priv_t) host->extension(MSG_HOST_LEVEL);
103 void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) {
104 host->extension_set(MSG_HOST_LEVEL, smx_host);
106 void sg_host_msg_destroy(sg_host_t host) {
107 host->extension_set(MSG_HOST_LEVEL, nullptr);
109 // ========== SimDag Layer ==============
110 SD_workstation_priv_t sg_host_sd(sg_host_t host) {
111 return (SD_workstation_priv_t) host->extension(SD_HOST_LEVEL);
113 void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
114 host->extension_set(SD_HOST_LEVEL, smx_host);
116 void sg_host_sd_destroy(sg_host_t host) {
117 host->extension_set(SD_HOST_LEVEL, nullptr);
120 // ========== Simix layer =============
121 smx_host_priv_t sg_host_simix(sg_host_t host){
122 return (smx_host_priv_t) host->extension(SIMIX_HOST_LEVEL);
124 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
125 host->extension_set(SIMIX_HOST_LEVEL, smx_host);
127 void sg_host_simix_destroy(sg_host_t host) {
128 host->extension_set(SIMIX_HOST_LEVEL, nullptr);
131 // =========== user-level functions ===============
132 // ================================================
134 double sg_host_get_available_speed(sg_host_t host){
135 return surf_host_get_available_speed(host);
137 /** @brief Returns the state of a host.
138 * @return 1 if the host is active or 0 if it has crashed.
140 int sg_host_is_on(sg_host_t host) {
141 return host->pimpl_cpu->isOn();
144 /** @brief Returns the number of power states for a host.
146 * See also @ref SURF_plugin_energy.
148 int sg_host_get_nb_pstates(sg_host_t host) {
149 return host->pimpl_cpu->getNbPStates();
152 /** @brief Gets the pstate at which that host currently runs.
154 * See also @ref SURF_plugin_energy.
156 int sg_host_get_pstate(sg_host_t host) {
157 return host->getPState();
159 /** @brief Sets the pstate at which that host should run.
161 * See also @ref SURF_plugin_energy.
163 void sg_host_set_pstate(sg_host_t host,int pstate) {
164 host->setPState(pstate);
169 Host::Host(std::string const& id)
178 /** Start the host if it is off */
181 simgrid::simix::kernel(std::bind(SIMIX_host_on, this));
184 /** Stop the host if it is on */
187 /* Go to that function to follow the code flow through the simcall barrier */
188 if (0) simcall_HANDLER_host_off(&SIMIX_process_self()->simcall, this);
189 simgrid::simix::simcall<void>(SIMCALL_HOST_OFF, this);
193 return pimpl_cpu->isOn();
196 return ! pimpl_cpu->isOn();
200 /** Get the properties assigned to a host */
201 xbt_dict_t Host::getProperties()
203 return simgrid::simix::kernel(std::bind(SIMIX_host_get_properties, this));
206 /** Get the processes attached to the host */
207 xbt_swag_t Host::getProcessList()
209 return simgrid::simix::kernel(std::bind(SIMIX_host_get_process_list, this));
212 /** Get the peak power of a host */
213 double Host::getCurrentPowerPeak()
215 return simgrid::simix::kernel(
216 std::bind(SIMIX_host_get_current_power_peak, this));
219 /** Get one power peak (in flops/s) of a host at a given pstate */
220 double Host::getPowerPeakAt(int pstate_index)
222 return simgrid::simix::kernel(
223 std::bind(SIMIX_host_get_power_peak_at, this, pstate_index));
226 /** @brief Get the speed of the cpu associated to a host */
227 double Host::getSpeed() {
228 return pimpl_cpu->getSpeed(1.0);
230 /** @brief Returns the number of core of the processor. */
231 int Host::getCoreAmount() {
232 return pimpl_cpu->getCore();
235 Host* Host::by_name_or_null(const char* name)
237 return (Host*) xbt_dict_get_or_null(host_list, name);
240 Host* Host::by_name_or_create(const char* name)
242 Host* host = by_name_or_null(name);
243 if (host == nullptr) {
244 host = new Host(name);
245 xbt_dict_set(host_list, name, host, NULL);
250 /** @brief Set the pstate at which the host should run */
251 void Host::setPState(int pstate_index)
253 simgrid::simix::kernel(std::bind(
254 &simgrid::surf::Cpu::setPState, pimpl_cpu, pstate_index
257 /** @brief Retrieve the pstate at which the host is currently running */
258 int Host::getPState()
260 return pimpl_cpu->getPState();
263 void Host::getParams(vm_params_t params)
265 simgrid::simix::kernel(std::bind(SIMIX_host_get_params, this, params));
268 void Host::setParams(vm_params_t params)
270 simgrid::simix::kernel(std::bind(SIMIX_host_set_params, this, params));
274 * \ingroup simix_storage_management
275 * \brief Returns the list of storages mounted on an host.
276 * \return a dict containing all storages mounted on the host
278 xbt_dict_t Host::getMountedStorageList()
280 return simgrid::simix::kernel(std::bind(
281 SIMIX_host_get_mounted_storage_list, this
286 * \ingroup simix_storage_management
287 * \brief Returns the list of storages attached to an host.
288 * \return a dict containing all storages attached to the host
290 xbt_dynar_t Host::getAttachedStorageList()
292 return simgrid::simix::kernel(std::bind(
293 SIMIX_host_get_attached_storage_list, this