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use a typed extension for simix::Host
[simgrid.git] / src / simgrid / host.cpp
index 0f61893..1d32fc2 100644 (file)
@@ -1,26 +1,41 @@
-/* Copyright (c) 2013-201. The SimGrid Team.
+/* Copyright (c) 2013-2016. 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 <simgrid/simix.hpp>
-
 #include "xbt/dict.h"
 #include "simgrid/host.h"
-#include "simgrid/Host.hpp"
+#include <xbt/Extendable.hpp>
+#include <simgrid/s4u/host.hpp>
+
+#include "src/surf/HostImpl.hpp"
 #include "surf/surf.h" // routing_get_network_element_type FIXME:killme
 
-#include "src/simix/smx_private.hpp"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sg_host, sd, "Logging specific to sg_hosts");
 
 size_t sg_host_count()
 {
   return xbt_dict_length(host_list);
 }
+/** @brief Returns the host list
+ *
+ * Uses sg_host_count() to know the array size.
+ *
+ * \return an array of \ref sg_host_t containing all the hosts in the platform.
+ * \remark The host order in this array is generally different from the
+ * creation/declaration order in the XML platform (we use a hash table
+ * internally).
+ * \see sg_host_count()
+ */
+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->getName().c_str();
+  return host->name().c_str();
 }
 
 void* sg_host_extension_get(sg_host_t host, size_t ext)
@@ -30,61 +45,32 @@ void* sg_host_extension_get(sg_host_t host, size_t ext)
 
 size_t sg_host_extension_create(void(*deleter)(void*))
 {
-  return simgrid::Host::extension_create(deleter);
+  return simgrid::s4u::Host::extension_create(deleter);
 }
 
 sg_host_t sg_host_by_name(const char *name)
 {
-  return simgrid::Host::by_name_or_null(name);
+  return simgrid::s4u::Host::by_name_or_null(name);
 }
 
-sg_host_t sg_host_by_name_or_create(const char *name)
+xbt_dynar_t sg_hosts_as_dynar()
 {
-  return simgrid::Host::by_name_or_create(name);
-}
-
-xbt_dynar_t sg_hosts_as_dynar(void)
-{
-       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::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);
-       return res;
+  simgrid::s4u::Host* host = nullptr;
+  xbt_dict_foreach(host_list, cursor, name, host)
+    if (host && host->pimpl_netcard && host->pimpl_netcard->isHost())
+       xbt_dynar_push(res, &host);
+  return res;
 }
 
-// ========= Layering madness ==============
-
-int MSG_HOST_LEVEL;
-int SD_HOST_LEVEL;
-int SIMIX_HOST_LEVEL;
-int ROUTING_HOST_LEVEL;
-int USER_HOST_LEVEL;
+// ========= Layering madness ==============*
 
-#include "src/msg/msg_private.h" // MSG_host_priv_free. FIXME: killme by initializing that level in msg when used
-#include "src/simdag/simdag_private.h" // __SD_workstation_destroy. FIXME: killme by initializing that level in simdag 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::Host::extension_create([](void *p) {
-    __MSG_host_priv_free((msg_host_priv_t) p);
-  });
-
-  ROUTING_HOST_LEVEL = simgrid::Host::extension_create([](void *p) {
-         delete static_cast<simgrid::surf::NetCard*>(p);
-  });
-
-  SD_HOST_LEVEL = simgrid::Host::extension_create(__SD_workstation_destroy);
-  SIMIX_HOST_LEVEL = simgrid::Host::extension_create(SIMIX_host_destroy);
-  USER_HOST_LEVEL = simgrid::Host::extension_create(NULL);
-}
-
 // ========== User data Layer ==========
 void *sg_host_user(sg_host_t host) {
   return host->extension(USER_HOST_LEVEL);
@@ -98,47 +84,45 @@ void sg_host_user_destroy(sg_host_t host) {
 
 // ========== MSG Layer ==============
 msg_host_priv_t sg_host_msg(sg_host_t host) {
-       return (msg_host_priv_t) host->extension(MSG_HOST_LEVEL);
+  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);
 }
-void sg_host_msg_destroy(sg_host_t host) {
-  host->extension_set(MSG_HOST_LEVEL, nullptr);
-}
-// ========== SimDag Layer ==============
-SD_workstation_priv_t sg_host_sd(sg_host_t host) {
-  return (SD_workstation_priv_t) host->extension(SD_HOST_LEVEL);
-}
-void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) {
-  host->extension_set(SD_HOST_LEVEL, smx_host);
-}
-void sg_host_sd_destroy(sg_host_t host) {
-  host->extension_set(SD_HOST_LEVEL, nullptr);
-}
 
 // ========== Simix layer =============
+#include "src/simix/smx_host_private.h"
 smx_host_priv_t sg_host_simix(sg_host_t host){
-  return (smx_host_priv_t) host->extension(SIMIX_HOST_LEVEL);
+  return host->extension<simgrid::simix::Host>();
 }
 void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) {
-  host->extension_set(SIMIX_HOST_LEVEL, smx_host);
+  host->extension_set<simgrid::simix::Host>(smx_host);
 }
 void sg_host_simix_destroy(sg_host_t host) {
-  host->extension_set(SIMIX_HOST_LEVEL, nullptr);
+  host->extension_set<simgrid::simix::Host>(nullptr);
 }
 
+// ========= storage related functions ============
+xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host){
+  return host->extension<simgrid::surf::HostImpl>()->getMountedStorageList();
+}
+
+xbt_dynar_t sg_host_get_attached_storage_list(sg_host_t host){
+  return host->extension<simgrid::surf::HostImpl>()->getAttachedStorageList();
+}
+
+
 // =========== user-level functions ===============
 // ================================================
-
-double sg_host_get_available_speed(sg_host_t host){
-  return surf_host_get_available_speed(host);
+/** @brief Returns the total speed of a host */
+double sg_host_speed(sg_host_t host)
+{
+  return host->speed();
 }
-/** @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->pimpl_cpu->isOn();
+
+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.
@@ -146,7 +130,7 @@ int sg_host_is_on(sg_host_t host) {
  *  See also @ref SURF_plugin_energy.
  */
 int sg_host_get_nb_pstates(sg_host_t host) {
-  return host->pimpl_cpu->getNbPStates();
+  return host->pstatesCount();
 }
 
 /** @brief Gets the pstate at which that host currently runs.
@@ -154,144 +138,50 @@ int sg_host_get_nb_pstates(sg_host_t host) {
  *  See also @ref SURF_plugin_energy.
  */
 int sg_host_get_pstate(sg_host_t host) {
-  return host->getPState();
+  return host->pstate();
 }
 /** @brief Sets the pstate at which that host should run.
  *
  *  See also @ref SURF_plugin_energy.
  */
 void sg_host_set_pstate(sg_host_t host,int pstate) {
-  host->setPState(pstate);
-}
-
-namespace simgrid {
-
-Host::Host(std::string const& id)
-  : name_(id)
-{
-}
-
-Host::~Host()
-{
-}
-
-/** Start the host if it is off */
-void Host::turnOn()
-{
-  simgrid::simix::kernel(std::bind(SIMIX_host_on, this));
+  host->setPstate(pstate);
 }
 
-/** Stop the host if it is on */
-void Host::turnOff()
-{
-  /* Go to that function to follow the code flow through the simcall barrier */
-  if (0) simcall_HANDLER_host_off(&SIMIX_process_self()->simcall, this);
-  simgrid::simix::simcall<void>(SIMCALL_HOST_OFF, this);
-}
-
-bool Host::isOn() {
-  return pimpl_cpu->isOn();
-}
-bool Host::isOff() {
-  return ! pimpl_cpu->isOn();
-}
-
-
-/** Get the properties assigned to a host */
-xbt_dict_t Host::getProperties()
-{
-  return simgrid::simix::kernel(std::bind(SIMIX_host_get_properties, this));
-}
-
-/** Get the processes attached to the host */
-xbt_swag_t Host::getProcessList()
-{
-  return simgrid::simix::kernel(std::bind(SIMIX_host_get_process_list, this));
+/** @brief Get the properties of an host */
+xbt_dict_t sg_host_get_properties(sg_host_t host) {
+  return host->properties();
 }
 
-/** Get the peak power of a host */
-double Host::getCurrentPowerPeak()
+/** \ingroup m_host_management
+ * \brief Returns the value of a given host property
+ *
+ * \param host a host
+ * \param name a property name
+ * \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 simgrid::simix::kernel(
-    std::bind(SIMIX_host_get_current_power_peak, this));
+  return (const char*) xbt_dict_get_or_null(sg_host_get_properties(host), name);
 }
 
-/** Get one power peak (in flops/s) of a host at a given pstate */
-double Host::getPowerPeakAt(int pstate_index)
+/** @brief Displays debugging information about a host */
+void sg_host_dump(sg_host_t host)
 {
-  return simgrid::simix::kernel(
-    std::bind(SIMIX_host_get_power_peak_at, this, pstate_index));
-}
+  xbt_dict_t props;
+  xbt_dict_cursor_t cursor=nullptr;
+  char *key,*data;
 
-/** @brief Get the speed of the cpu associated to a host */
-double Host::getSpeed() {
-       return pimpl_cpu->getSpeed(1.0);
-}
-/** @brief Returns the number of core of the processor. */
-int Host::getCoreAmount() {
-       return pimpl_cpu->getCore();
-}
+  XBT_INFO("Displaying host %s", sg_host_get_name(host));
+  XBT_INFO("  - speed: %.0f", host->speed());
+  XBT_INFO("  - available speed: %.2f", sg_host_get_available_speed(host));
+  props = sg_host_get_properties(host);
 
-Host* Host::by_name_or_null(const char* name)
-{
-  return (Host*) xbt_dict_get_or_null(host_list, name);
-}
+  if (!xbt_dict_is_empty(props)){
+    XBT_INFO("  - properties:");
 
-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);
+    xbt_dict_foreach(props,cursor,key,data) {
+      XBT_INFO("    %s->%s",key,data);
+    }
   }
-  return host;
-}
-
-/** @brief Set the pstate at which the host should run */
-void Host::setPState(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::getPState()
-{
-  return pimpl_cpu->getPState();
-}
-
-void Host::getParams(vm_params_t params)
-{
-  simgrid::simix::kernel(std::bind(SIMIX_host_get_params, this, params));
-}
-
-void Host::setParams(vm_params_t params)
-{
-  simgrid::simix::kernel(std::bind(SIMIX_host_set_params, this, 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::getMountedStorageList()
-{
-  return simgrid::simix::kernel(std::bind(
-    SIMIX_host_get_mounted_storage_list, this
-  ));
-}
-
-/**
- * \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::getAttachedStorageList()
-{
-  return simgrid::simix::kernel(std::bind(
-    SIMIX_host_get_attached_storage_list, this
-  ));
-}
-
 }