/* 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 "src/simdag/simdag_private.h"
-#include "simgrid/simdag.h"
-#include "simgrid/Host.hpp"
-#include "xbt/dict.h"
-#include "xbt/lib.h"
-#include "xbt/sysdep.h"
-#include "surf/surf.h"
-#include "simgrid/msg.h" //FIXME: why?
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_workstation, sd,
- "Logging specific to SimDag (workstation)");
-
-/* Creates a workstation and registers it in SD.
- */
-SD_workstation_t __SD_workstation_create(const char *name)
-{
-
- SD_workstation_priv_t workstation;
-
- workstation = xbt_new(s_SD_workstation_priv_t, 1);
- workstation->access_mode = SD_WORKSTATION_SHARED_ACCESS; /* default mode is shared */
- workstation->task_fifo = NULL;
- workstation->current_task = NULL;
-
- sg_host_t sg_host = sg_host_by_name(name);
- sg_host_sd_set(sg_host,workstation);
- return sg_host;
-}
-
-/* Creates a storage and registers it in SD.
- */
-SD_storage_t __SD_storage_create(void *surf_storage, void *data)
-{
-
- SD_storage_priv_t storage;
- const char *name;
-
- storage = xbt_new(s_SD_storage_priv_t, 1);
- storage->data = data; /* user data */
- name = surf_resource_name((surf_cpp_resource_t)surf_storage);
- storage->host = (const char*)surf_storage_get_host( (surf_resource_t )surf_storage_resource_by_name(name));
- xbt_lib_set(storage_lib,name, SD_STORAGE_LEVEL, storage);
- return xbt_lib_get_elm_or_null(storage_lib, name);
-}
-
-/* Destroys a storage.
- */
-void __SD_storage_destroy(void *storage)
-{
- SD_storage_priv_t s;
-
- s = (SD_storage_priv_t) storage;
- xbt_free(s);
-}
-
-/**
- * \brief Returns a workstation given its name
- *
- * If there is no such workstation, the function returns \c NULL.
- *
- * \param name workstation name
- * \return the workstation, or \c NULL if there is no such workstation
- */
-SD_workstation_t SD_workstation_get_by_name(const char *name)
-{
- return sg_host_by_name(name);
-}
-
-/**
- * \brief Returns the workstation list
- *
- * Use SD_workstation_get_number() to know the array size.
- *
- * \return an array of \ref SD_workstation_t containing all workstations
- * \remark The workstation order in the returned array is generally different from the workstation creation/declaration order in the XML platform (we use a hash table internally).
- * \see SD_workstation_get_number()
- */
-const SD_workstation_t *SD_workstation_get_list(void) {
- xbt_assert(SD_workstation_get_number() > 0, "There is no workstation!");
-
- if (sd_global->workstation_list == NULL) /* this is the first time the function is called */
- sd_global->workstation_list = (SD_workstation_t*)xbt_dynar_to_array(sg_hosts_as_dynar());
+#include "simgrid/s4u/host.hpp"
- return sd_global->workstation_list;
-}
-
-/**
- * \brief Returns the number of workstations
- *
- * \return the number of existing workstations
- * \see SD_workstation_get_list()
- */
-int SD_workstation_get_number(void)
-{
- return sg_host_count();
-}
-
-/**
- * \brief Returns the user data of a workstation
- *
- * \param workstation a workstation
- * \return the user data associated with this workstation (can be \c NULL)
- * \see SD_workstation_set_data()
- */
-void *SD_workstation_get_data(SD_workstation_t workstation)
-{
- return sg_host_user(workstation);
-}
-
-/**
- * \brief Sets the user data of a workstation
- *
- * The new data can be \c NULL. The old data should have been freed first
- * if it was not \c NULL.
- *
- * \param workstation a workstation
- * \param data the new data you want to associate with this workstation
- * \see SD_workstation_get_data()
- */
-void SD_workstation_set_data(SD_workstation_t workstation, void *data)
-{
- sg_host_user_set(workstation, data);
-}
-
-/**
- * \brief Returns the name of a workstation
- *
- * \param workstation a workstation
- * \return the name of this workstation (cannot be \c NULL)
- */
-const char *SD_workstation_get_name(SD_workstation_t workstation)
-{
- return sg_host_get_name(workstation);
-}
-
-/**
- * \brief Returns the value of a given workstation property
- *
- * \param ws a workstation
- * \param name a property name
- * \return value of a property (or NULL if property not set)
- */
-const char *SD_workstation_get_property_value(SD_workstation_t ws,
- const char *name)
-{
- return (const char*) xbt_dict_get_or_null(SD_workstation_get_properties(ws), name);
-}
-
-
-/**
- * \brief Returns a #xbt_dict_t consisting of the list of properties assigned to this workstation
- *
- * \param workstation a workstation
- * \return the dictionary containing the properties associated with the workstation
- */
-xbt_dict_t SD_workstation_get_properties(SD_workstation_t workstation)
-{
- return sg_host_get_properties(workstation);
-}
-
-
-/** @brief Displays debugging informations about a workstation */
-void SD_workstation_dump(SD_workstation_t ws)
-{
- xbt_dict_t props;
- xbt_dict_cursor_t cursor=NULL;
- char *key,*data;
- SD_task_t task = NULL;
-
- XBT_INFO("Displaying workstation %s", SD_workstation_get_name(ws));
- XBT_INFO(" - power: %.0f", SD_workstation_get_power(ws));
- XBT_INFO(" - available power: %.2f", SD_workstation_get_available_power(ws));
- switch (sg_host_sd(ws)->access_mode){
- case SD_WORKSTATION_SHARED_ACCESS:
- XBT_INFO(" - access mode: Space shared");
- break;
- case SD_WORKSTATION_SEQUENTIAL_ACCESS:
- XBT_INFO(" - access mode: Exclusive");
- task = SD_workstation_get_current_task(ws);
- if(task)
- XBT_INFO(" current running task: %s",
- SD_task_get_name(task));
- else
- XBT_INFO(" no task running");
- break;
- default: break;
- }
- props = SD_workstation_get_properties(ws);
-
- if (!xbt_dict_is_empty(props)){
- XBT_INFO(" - properties:");
-
- xbt_dict_foreach(props,cursor,key,data) {
- XBT_INFO(" %s->%s",key,data);
- }
- }
-}
+#include "simdag_private.hpp"
+#include "src/surf/HostImpl.hpp"
+#include "surf/surf.h"
-/**
- * \brief Returns the route between two workstations
+/** @brief Returns the route between two workstations
*
* Use SD_route_get_size() to know the array size.
*
- * \param src a workstation
- * \param dst another workstation
- * \return a new array of \ref SD_link_t representating the route between these two workstations
+ * \param src a host
+ * \param dst another host
+ * \return an array of the \ref SD_link_t composing the route
* \see SD_route_get_size(), SD_link_t
*/
-const SD_link_t *SD_route_get_list(SD_workstation_t src,
- SD_workstation_t dst)
+SD_link_t *SD_route_get_list(sg_host_t src, sg_host_t dst)
{
- xbt_dynar_t surf_route;
- void *surf_link;
- unsigned int cpt;
-
- if (sd_global->recyclable_route == NULL) {
- /* first run */
- sd_global->recyclable_route = xbt_new(SD_link_t, SD_link_get_number());
- }
+ std::vector<Link*> route;
+ src->routeTo(dst, &route, nullptr);
- surf_route = surf_host_model_get_route((surf_host_model_t)surf_host_model, src, dst);
-
- xbt_dynar_foreach(surf_route, cpt, surf_link) {
- sd_global->recyclable_route[cpt] = (SD_link_t)surf_link;
+ int cpt=0;
+ SD_link_t* list = xbt_new(SD_link_t, route.size());
+ for (auto link : route) {
+ list[cpt] = link;
+ cpt++;
}
- return sd_global->recyclable_route;
+ return list;
}
/**
* \return the number of links on the route between these two workstations
* \see SD_route_get_list()
*/
-int SD_route_get_size(SD_workstation_t src, SD_workstation_t dst)
-{
- return xbt_dynar_length(surf_host_model_get_route(
- (surf_host_model_t)surf_host_model, src, dst));
-}
-
-/**
- * \brief Returns the total power of a workstation
- *
- * \param workstation a workstation
- * \return the total power of this workstation
- * \see SD_workstation_get_available_power()
- */
-double SD_workstation_get_power(SD_workstation_t workstation)
-{
- return workstation->getSpeed();
-}
-/**
- * \brief Returns the amount of cores of a workstation
- *
- * \param workstation a workstation
- * \return the amount of cores of this workstation
- */
-int SD_workstation_get_cores(SD_workstation_t workstation) {
- return workstation->getCoreAmount();
-}
-
-/**
- * \brief Returns the proportion of available power in a workstation
- *
- * \param workstation a workstation
- * \return the proportion of power currently available in this workstation (normally a number between 0 and 1)
- * \see SD_workstation_get_power()
- */
-double SD_workstation_get_available_power(SD_workstation_t workstation)
+int SD_route_get_size(sg_host_t src, sg_host_t dst)
{
- return surf_host_get_available_speed(workstation);
+ std::vector<Link*> route;
+ src->routeTo(dst, &route, nullptr);
+ int size = route.size();
+ return size;
}
/**
- * \brief Returns an approximative estimated time for the given computation amount on a workstation
- *
- * \param workstation a workstation
- * \param flops_amount the computation amount you want to evaluate (in flops)
- * \return an approximative estimated computation time for the given computation amount on this workstation (in seconds)
- */
-double SD_workstation_get_computation_time(SD_workstation_t workstation,
- double flops_amount)
-{
- xbt_assert(flops_amount >= 0,
- "flops_amount must be greater than or equal to zero");
- return flops_amount / SD_workstation_get_power(workstation);
-}
-
-/**
- * \brief Returns the latency of the route between two workstations, i.e. the sum of all link latencies
- * between the workstations.
+ * \brief Returns the latency of the route between two workstations.
*
* \param src the first workstation
* \param dst the second workstation
* \return the latency of the route between the two workstations (in seconds)
- * \see SD_route_get_current_bandwidth()
+ * \see SD_route_get_bandwidth()
*/
-double SD_route_get_current_latency(SD_workstation_t src,
- SD_workstation_t dst)
+double SD_route_get_latency(sg_host_t src, sg_host_t dst)
{
-
- const SD_link_t *links;
- int nb_links;
- double latency;
- int i;
-
- links = SD_route_get_list(src, dst);
- nb_links = SD_route_get_size(src, dst);
- latency = 0.0;
-
- for (i = 0; i < nb_links; i++) {
- latency += SD_link_get_current_latency(links[i]);
- }
+ double latency = 0;
+ std::vector<Link*> route;
+ src->routeTo(dst, &route, &latency);
return latency;
}
/**
- * \brief Returns the bandwidth of the route between two workstations, i.e. the minimum link bandwidth of all
- * between the workstations.
+ * \brief Returns the bandwidth of the route between two workstations,
+ * i.e. the minimum link bandwidth of all between the workstations.
*
* \param src the first workstation
* \param dst the second workstation
* \return the bandwidth of the route between the two workstations (in bytes/second)
- * \see SD_route_get_current_latency()
+ * \see SD_route_get_latency()
*/
-double SD_route_get_current_bandwidth(SD_workstation_t src,
- SD_workstation_t dst)
+double SD_route_get_bandwidth(sg_host_t src, sg_host_t dst)
{
+ double min_bandwidth = -1.0;
- const SD_link_t *links;
- int nb_links;
- double bandwidth;
- double min_bandwidth;
- int i;
-
- links = SD_route_get_list(src, dst);
- nb_links = SD_route_get_size(src, dst);
- min_bandwidth = -1.0;
+ std::vector<Link*> route;
+ src->routeTo(dst, &route, nullptr);
- for (i = 0; i < nb_links; i++) {
- bandwidth = SD_link_get_current_bandwidth(links[i]);
- if (bandwidth < min_bandwidth || min_bandwidth == -1.0)
+ for (auto link : route) {
+ double bandwidth = sg_link_bandwidth(link);
+ if (bandwidth < min_bandwidth || min_bandwidth < 0.0)
min_bandwidth = bandwidth;
}
return min_bandwidth;
}
-
-/**
- * \brief Returns an approximative estimated time for the given
- * communication amount between two workstations
- *
- * \param src the first workstation
- * \param dst the second workstation
- * \param bytes_amount the communication amount you want to evaluate (in bytes)
- * \return an approximative estimated communication time for the given bytes amount
- * between the workstations (in seconds)
- */
-double SD_route_get_communication_time(SD_workstation_t src,
- SD_workstation_t dst,
- double bytes_amount)
-{
-
-
- /* total time = latency + transmission time of the slowest link
- transmission time of a link = communication amount / link bandwidth */
-
- const SD_link_t *links;
- int nb_links;
- double bandwidth, min_bandwidth;
- double latency;
- int i;
-
- xbt_assert(bytes_amount >= 0, "bytes_amount must be greater than or equal to zero");
-
-
- if (bytes_amount == 0.0)
- return 0.0;
-
- links = SD_route_get_list(src, dst);
- nb_links = SD_route_get_size(src, dst);
- min_bandwidth = -1.0;
- latency = 0;
-
- for (i = 0; i < nb_links; i++) {
- latency += SD_link_get_current_latency(links[i]);
- bandwidth = SD_link_get_current_bandwidth(links[i]);
- if (bandwidth < min_bandwidth || min_bandwidth == -1.0)
- min_bandwidth = bandwidth;
- }
-
- return latency + (bytes_amount / min_bandwidth);
-}
-
-/**
- * \brief Returns the access mode of this workstation.
- *
- * \param workstation a workstation
- * \return the access mode for the tasks running on this workstation:
- * SD_WORKSTATION_SHARED_ACCESS or SD_WORKSTATION_SEQUENTIAL_ACCESS
- *
- * \see SD_workstation_set_access_mode(), e_SD_workstation_access_mode_t
- */
-e_SD_workstation_access_mode_t
-SD_workstation_get_access_mode(SD_workstation_t workstation)
-{
- return sg_host_sd(workstation)->access_mode;
-}
-
-/**
- * \brief Sets the access mode for the tasks that will be executed on a workstation
- *
- * By default, a workstation model is shared, i.e. several tasks
- * can be executed at the same time on a workstation. The CPU power of
- * the workstation is shared between the running tasks on the workstation.
- * In sequential mode, only one task can use the workstation, and the other
- * tasks wait in a FIFO.
- *
- * \param workstation a workstation
- * \param access_mode the access mode you want to set to this workstation:
- * SD_WORKSTATION_SHARED_ACCESS or SD_WORKSTATION_SEQUENTIAL_ACCESS
- *
- * \see SD_workstation_get_access_mode(), e_SD_workstation_access_mode_t
- */
-void SD_workstation_set_access_mode(SD_workstation_t workstation,
- e_SD_workstation_access_mode_t
- access_mode)
-{
- xbt_assert(access_mode != SD_WORKSTATION_SEQUENTIAL_ACCESS ||
- access_mode != SD_WORKSTATION_SHARED_ACCESS,
- "Trying to set an invalid access mode");
-
- if (access_mode == sg_host_sd(workstation)->access_mode) {
- return; // nothing is changed
- }
-
- sg_host_sd(workstation)->access_mode = access_mode;
-
- if (access_mode == SD_WORKSTATION_SHARED_ACCESS) {
- xbt_fifo_free(sg_host_sd(workstation)->task_fifo);
- sg_host_sd(workstation)->task_fifo = NULL;
- } else {
- sg_host_sd(workstation)->task_fifo = xbt_fifo_new();
- }
-}
-
-/**
- * \brief Return the list of mounted storages on a workstation.
- *
- * \param workstation a workstation
- * \return a dynar containing all mounted storages on the workstation
- */
-xbt_dict_t SD_workstation_get_mounted_storage_list(SD_workstation_t workstation){
- return surf_host_get_mounted_storage_list(workstation);
-}
-
-/**
- * \brief Return the list of mounted storages on a workstation.
- *
- * \param workstation a workstation
- * \return a dynar containing all mounted storages on the workstation
- */
-xbt_dynar_t SD_workstation_get_attached_storage_list(SD_workstation_t workstation){
- return surf_host_get_attached_storage_list(workstation);
-}
-
-/**
- * \brief Returns the host name the storage is attached to
- *
- * This functions checks whether a storage is a valid pointer or not and return its name.
- */
-const char *SD_storage_get_host(msg_storage_t storage) {
- xbt_assert((storage != NULL), "Invalid parameters");
- SD_storage_priv_t priv = SD_storage_priv(storage);
- return priv->host;
-}
-
-/* Returns whether a task can start now on a workstation*/
-/*
- int __SD_workstation_can_start(SD_workstation_t workstation, SD_task_t task) {
- SD_CHECK_INIT_DONE();
- xbt_assert(workstation != NULL && task != NULL, "Invalid parameter");
-
- return !__SD_workstation_is_busy(workstation) &&
- (xbt_fifo_size(workstation->task_fifo) == 0) || xbt_fifo_get_first_item(workstation->task_fifo) == task);
- }
-*/
-
-/* Returns whether a workstation is busy. A workstation is busy is it is
- * in sequential mode and a task is running on it or the fifo is not empty.
- */
-int __SD_workstation_is_busy(SD_workstation_t workstation)
-{
- XBT_DEBUG
- ("Workstation '%s' access mode: '%s', current task: %s, fifo size: %d",
- SD_workstation_get_name(workstation),
- (sg_host_sd(workstation)->access_mode ==
- SD_WORKSTATION_SHARED_ACCESS) ? "SHARED" : "FIFO",
- (sg_host_sd(workstation)->current_task ?
- SD_task_get_name(sg_host_sd(workstation)->current_task)
- : "none"),
- (sg_host_sd(workstation)->task_fifo ? xbt_fifo_size(sg_host_sd(workstation)->task_fifo) :
- 0));
-
- return sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS &&
- (sg_host_sd(workstation)->current_task != NULL
- || xbt_fifo_size(sg_host_sd(workstation)->task_fifo) > 0);
-}
-
-/* Destroys a workstation.
- */
-void __SD_workstation_destroy(void *workstation)
-{
-
- if (workstation==NULL)
- return;
- SD_workstation_priv_t w;
-
- /* workstation->surf_workstation is freed by surf_exit and workstation->data is freed by the user */
-
- w = (SD_workstation_priv_t) workstation;
-
- if (w->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- xbt_fifo_free(w->task_fifo);
- }
- xbt_free(w);
-}
-
-/**
- * \brief Returns the kind of the task currently running on a workstation
- * Only call this with sequential access mode set
- * \param workstation a workstation */
-SD_task_t SD_workstation_get_current_task(SD_workstation_t workstation)
-{
- xbt_assert(sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS,
- "Access mode must be set to SD_WORKSTATION_SEQUENTIAL_ACCESS"
- " to use this function");
-
- return (sg_host_sd(workstation)->current_task);
-}
-
-/**
- * \brief Returns a #xbt_dict_t consisting of the list of properties assigned to the AS
- * or router
- *
- * \param AS, router name
- * \return the xbt_dict_t properties of the AS
- */
-xbt_dict_t SD_as_router_get_properties(const char *asr)
-{
- return get_as_router_properties(asr);
-}
-/**
- * \brief Returns a #xbt_dict_t consisting of the list of properties assigned to the AS
- * or router
- *
- * \param AS, router name
- * \param The name of a properties
- * \return value of the properties
- */
-const char* SD_as_router_get_property_value(const char *asr, const char *name)
-{
- xbt_dict_t dict = get_as_router_properties(asr);
- if(!dict) return NULL;
- return (const char*)xbt_dict_get_or_null(dict,name);
-}
