* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/msg/msg_private.h"
-#include "src/msg/msg_mailbox.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
#include "simgrid/simix.h"
#include <simgrid/s4u/host.hpp>
+#include <numeric>
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg);
+int sg_storage_max_file_descriptors = 1024;
+
/** @addtogroup m_host_management
- * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Hosts" --> \endhtmlonly
* (#msg_host_t) and the functions for managing it.
*
- * A <em>location</em> (or <em>host</em>) is any possible place where
- * a process may run. Thus it may be represented as a
- * <em>physical resource with computing capabilities</em>, some
- * <em>mailboxes</em> to enable running process to communicate with
- * remote ones, and some <em>private data</em> that can be only
- * accessed by local process.
+ * A <em>location</em> (or <em>host</em>) is any possible place where a process may run. Thus it may be represented
+ * as a <em>physical resource with computing capabilities</em>, some <em>mailboxes</em> to enable running process to
+ * communicate with remote ones, and some <em>private data</em> that can be only accessed by local process.
* \see msg_host_t
*/
{
msg_host_priv_t priv = xbt_new0(s_msg_host_priv_t, 1);
- priv->dp_objs = xbt_dict_new();
- priv->dp_enabled = 0;
- priv->dp_updated_by_deleted_tasks = 0;
- priv->is_migrating = 0;
-
- priv->affinity_mask_db = xbt_dict_new_homogeneous(NULL);
-
- priv->file_descriptor_table = xbt_dynar_new(sizeof(int), NULL);
- for (int i=1023; i>=0;i--)
- xbt_dynar_push_as(priv->file_descriptor_table, int, i);
+ priv->file_descriptor_table = nullptr;
sg_host_msg_set(host,priv);
-
+
return host;
}
*
* \brief Set the user data of a #msg_host_t.
*
- * This functions checks whether some data has already been associated to \a host
- or not and attach \a data to \a host if it is possible.
+ * This functions attach \a data to \a host if it is possible.
*/
msg_error_t MSG_host_set_data(msg_host_t host, void *data) {
sg_host_user_set(host, data);
*
* \brief Return the user data of a #msg_host_t.
*
- * This functions checks whether \a host is a valid pointer or not and return
- the user data associated to \a host if it is possible.
+ * This functions returns the user data associated to \a host if it is possible.
*/
void *MSG_host_get_data(msg_host_t host) {
return sg_host_user(host);
*
* \brief Return the location on which the current process is executed.
*/
-msg_host_t MSG_host_self(void)
+msg_host_t MSG_host_self()
{
- return MSG_process_get_host(NULL);
+ return MSG_process_get_host(nullptr);
}
-
/** \ingroup m_host_management
*
* \brief Start the host if it is off
*
- * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy for more info on DVFS.
+ * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy
+ * for more info on DVFS.
*/
void MSG_host_on(msg_host_t host)
{
- host->turn_on();
+ 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 SURF_plugin_energy for more info on DVFS.
+ * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy
+ * for more info on DVFS.
*/
void MSG_host_off(msg_host_t host)
{
- host->turn_off();
+ host->turnOff();
}
/*
*/
void __MSG_host_priv_free(msg_host_priv_t priv)
{
-
- if (priv == NULL)
+ if (priv == nullptr)
return;
- unsigned int size = xbt_dict_size(priv->dp_objs);
- if (size > 0)
- XBT_WARN("dp_objs: %u pending task?", size);
- xbt_dict_free(&priv->dp_objs);
- xbt_dict_free(&priv->affinity_mask_db);
- xbt_dynar_free(&priv->file_descriptor_table);
-
+ delete priv->file_descriptor_table;
free(priv);
}
/** \ingroup m_host_management
* \brief Return the current number MSG hosts.
*/
-int MSG_get_host_number(void)
+int MSG_get_host_number()
{
- return xbt_dict_length(host_list);
+ return sg_host_count();
}
/** \ingroup m_host_management
* \brief Return a dynar containing all the hosts declared at a given point of time
- * \remark The host order in the returned array is generally different from the host creation/declaration order in the XML platform (we use a hash table internally)
+ * \remark The host order in the returned array is generally different from the host creation/declaration order in the
+ * XML platform (we use a hash table internally)
*/
-xbt_dynar_t MSG_hosts_as_dynar(void) {
+xbt_dynar_t MSG_hosts_as_dynar() {
return sg_hosts_as_dynar();
}
/** \ingroup m_host_management
- * \brief Return the speed of the processor (in flop/s), regardless of
- the current load on the machine.
+ * \brief Return the speed of the processor (in flop/s), regardless of the current load on the machine.
*/
-double MSG_get_host_speed(msg_host_t host) {
+double MSG_host_get_speed(msg_host_t host) {
return host->speed();
}
+/** \ingroup m_host_management
+ * \brief Return the speed of the processor (in flop/s), regardless of the current load on the machine.
+ * Deprecated: use MSG_host_get_speed
+ */
+double MSG_get_host_speed(msg_host_t host) {
+ XBT_WARN("MSG_get_host_speed is deprecated: use MSG_host_get_speed");
+ return MSG_host_get_speed(host);
+}
/** \ingroup m_host_management
* \brief Return the number of cores.
* \return the number of cores
*/
int MSG_host_get_core_number(msg_host_t host) {
- return host->core_count();
+ return host->coreCount();
}
/** \ingroup m_host_management
*/
xbt_swag_t MSG_host_get_process_list(msg_host_t host)
{
- xbt_assert((host != NULL), "Invalid parameters");
+ xbt_assert((host != nullptr), "Invalid parameters");
return host->processes();
}
-
/** \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 NULL if property not set)
+ * \return value of a property (or nullptr if property not set)
*/
const char *MSG_host_get_property_value(msg_host_t host, const char *name)
{
- return (const char*) xbt_dict_get_or_null(MSG_host_get_properties(host), name);
+ return static_cast<const char*>(xbt_dict_get_or_null(MSG_host_get_properties(host), name));
}
/** \ingroup m_host_management
*/
xbt_dict_t MSG_host_get_properties(msg_host_t host)
{
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+ xbt_assert((host != nullptr), "Invalid parameters (host is nullptr)");
return host->properties();
}
* \param host a host
* \param name a property name
* \param value what to change the property to
- * \param free_ctn the freeing function to use to kill the value on need
*/
-void MSG_host_set_property_value(msg_host_t host, const char *name, char *value,void_f_pvoid_t free_ctn) {
-
- xbt_dict_set(MSG_host_get_properties(host), name, value,free_ctn);
+void MSG_host_set_property_value(msg_host_t host, const char* name, char* value)
+{
+ xbt_dict_set(MSG_host_get_properties(host), name, value, nullptr);
}
-
/** @ingroup m_host_management
- *
* @brief Determine if a host is up and running.
*
* See also #MSG_host_on() and #MSG_host_off() to switch the host ON and OFF and @ref SURF_plugin_energy for more info on DVFS.
*/
int MSG_host_is_on(msg_host_t host)
{
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return sg_host_is_on(host);
+ return host->isOn();
}
+
/** @ingroup m_host_management
- *
* @brief Determine if a host is currently off.
*
* See also #MSG_host_on() and #MSG_host_off() to switch the host ON and OFF and @ref SURF_plugin_energy for more info on DVFS.
*/
int MSG_host_is_off(msg_host_t host)
{
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return !(sg_host_is_on(host));
-}
-
-/** \ingroup m_host_management
- * \brief Set the parameters of a given host
- *
- * \param host a host
- * \param params a prameter object
- */
-void MSG_host_set_params(msg_host_t host, vm_params_t params)
-{
- host->set_parameters(params);
-}
-
-/** \ingroup m_host_management
- * \brief Get the parameters of a given host
- *
- * \param host a host
- * \param params a prameter object
- */
-void MSG_host_get_params(msg_host_t host, vm_params_t params)
-{
- host->get_parameters(params);
+ return host->isOff();
}
/** \ingroup m_host_management
* \return Returns the processor speed associated with pstate_index
*/
double MSG_host_get_power_peak_at(msg_host_t host, int pstate_index) {
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return host->power_peak_at(pstate_index);
+ xbt_assert((host != nullptr), "Invalid parameters (host is nullptr)");
+ return host->getPstateSpeed(pstate_index);
}
/** \ingroup m_host_management
* \return Returns the current processor speed
*/
double MSG_host_get_current_power_peak(msg_host_t host) {
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return host->current_power_peak();
+ xbt_assert((host != nullptr), "Invalid parameters (host is nullptr)");
+ return host->getPstateSpeedCurrent();
}
/** \ingroup m_host_management
* \param host host to test
*/
int MSG_host_get_nb_pstates(msg_host_t host) {
- return sg_host_get_nb_pstates(host);
+ return sg_host_get_nb_pstates(host);
}
/** \ingroup m_host_management
*/
xbt_dict_t MSG_host_get_mounted_storage_list(msg_host_t host)
{
- xbt_assert((host != NULL), "Invalid parameters");
- return host->mounted_storages_as_dict();
+ xbt_assert((host != nullptr), "Invalid parameters");
+ return host->mountedStoragesAsDict();
}
/** \ingroup m_host_management
*/
xbt_dynar_t MSG_host_get_attached_storage_list(msg_host_t host)
{
- xbt_assert((host != NULL), "Invalid parameters");
- return host->attached_storages();
+ xbt_assert((host != nullptr), "Invalid parameters");
+ return host->attachedStorages();
}
/** \ingroup m_host_management
*/
xbt_dict_t MSG_host_get_storage_content(msg_host_t host)
{
- xbt_assert((host != NULL), "Invalid parameters");
- xbt_dict_t contents = xbt_dict_new_homogeneous(NULL);
+ xbt_assert((host != nullptr), "Invalid parameters");
+ xbt_dict_t contents = xbt_dict_new_homogeneous(nullptr);
msg_storage_t storage;
char* storage_name;
char* mount_name;
- xbt_dict_cursor_t cursor = NULL;
+ xbt_dict_cursor_t cursor = nullptr;
- xbt_dict_t storage_list = host->mounted_storages_as_dict();
+ xbt_dict_t storage_list = host->mountedStoragesAsDict();
xbt_dict_foreach(storage_list,cursor,mount_name,storage_name){
- storage = (msg_storage_t)xbt_lib_get_elm_or_null(storage_lib,storage_name);
+ storage = static_cast<msg_storage_t>(xbt_lib_get_elm_or_null(storage_lib,storage_name));
xbt_dict_t content = simcall_storage_get_content(storage);
- xbt_dict_set(contents,mount_name, content,NULL);
+ xbt_dict_set(contents,mount_name, content,nullptr);
}
xbt_dict_free(&storage_list);
return contents;
int __MSG_host_get_file_descriptor_id(msg_host_t host){
msg_host_priv_t priv = sg_host_msg(host);
- xbt_assert(!xbt_dynar_is_empty(priv->file_descriptor_table),
- "Too much files are opened! Some have to be closed.");
- return xbt_dynar_pop_as(priv->file_descriptor_table, int);
+ if(!priv->file_descriptor_table){
+ priv->file_descriptor_table = new std::vector<int>(sg_storage_max_file_descriptors);
+ std::iota (priv->file_descriptor_table->rbegin(), priv->file_descriptor_table->rend(), 0); // Fill with ..., 1, 0.
+ }
+ xbt_assert(!priv->file_descriptor_table->empty(), "Too much files are opened! Some have to be closed.");
+ int desc = priv->file_descriptor_table->back();
+ priv->file_descriptor_table->pop_back();
+ return desc;
}
void __MSG_host_release_file_descriptor_id(msg_host_t host, int id){
msg_host_priv_t priv = sg_host_msg(host);
- xbt_dynar_push_as(priv->file_descriptor_table, int, id);
+ priv->file_descriptor_table->push_back(id);
}
