+/* Copyright (c) 2006-2012. 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 "private.h"
#include "simdag/simdag.h"
#include "xbt/dict.h"
#include "xbt/sysdep.h"
#include "surf/surf.h"
+#include "surf/surf_resource.h"
+
/* Creates a link and registers it in SD.
*/
-SD_link_t __SD_link_create(void *surf_link, void *data) {
+SD_link_t __SD_link_create(void *surf_link, void *data)
+{
SD_link_t link;
const char *name;
- SD_CHECK_INIT_DONE();
- xbt_assert0(surf_link != NULL, "surf_link is NULL !");
-
link = xbt_new(s_SD_link_t, 1);
link->surf_link = surf_link;
- link->data = data; /* user data */
+ link->data = data; /* user data */
+ if (surf_workstation_model->extension.workstation.link_shared(surf_link))
+ link->sharing_policy = SD_LINK_SHARED;
+ else
+ link->sharing_policy = SD_LINK_FATPIPE;
name = SD_link_get_name(link);
- xbt_dict_set(sd_global->links, name, link, __SD_link_destroy); /* add the link to the dictionary */
- sd_global->link_count++;
+ xbt_lib_set(link_lib,name,SD_LINK_LEVEL,link);
return link;
}
+
/**
* \brief Returns the link list
*
* \return an array of \ref SD_link_t containing all links
* \see SD_link_get_number()
*/
-const SD_link_t* SD_link_get_list(void) {
+const SD_link_t *SD_link_get_list(void)
+{
- xbt_dict_cursor_t cursor;
+ xbt_lib_cursor_t cursor;
char *key;
- void *data;
+ void **data;
int i;
-
- SD_CHECK_INIT_DONE();
- xbt_assert0(SD_link_get_number() > 0, "There is no link!");
- if (sd_global->link_list == NULL) { /* this is the first time the function is called */
- sd_global->link_list = xbt_new(SD_link_t, sd_global->link_count);
-
+ if (sd_global->link_list == NULL) { /* this is the first time the function is called */
+ sd_global->link_list = xbt_new(SD_link_t, xbt_lib_length(link_lib));
+
i = 0;
- xbt_dict_foreach(sd_global->links, cursor, key, data) {
- sd_global->link_list[i++] = (SD_link_t) data;
+ xbt_lib_foreach(link_lib, cursor, key, data) {
+ sd_global->link_list[i++] = (SD_link_t) data[SD_LINK_LEVEL];
}
}
return sd_global->link_list;
* \return the number of existing links
* \see SD_link_get_list()
*/
-int SD_link_get_number(void) {
- SD_CHECK_INIT_DONE();
- return sd_global->link_count;
+int SD_link_get_number(void)
+{
+ return xbt_lib_length(link_lib);
}
/**
* \return the user data associated with this link (can be \c NULL)
* \see SD_link_set_data()
*/
-void* SD_link_get_data(SD_link_t link) {
- SD_CHECK_INIT_DONE();
- xbt_assert0(link != NULL, "Invalid parameter");
+void *SD_link_get_data(SD_link_t link)
+{
return link->data;
}
* \param data the new data you want to associate with this link
* \see SD_link_get_data()
*/
-void SD_link_set_data(SD_link_t link, void *data) {
- SD_CHECK_INIT_DONE();
- xbt_assert0(link != NULL, "Invalid parameter");
+void SD_link_set_data(SD_link_t link, void *data)
+{
link->data = data;
}
* \param link a link
* \return the name of this link (cannot be \c NULL)
*/
-const char* SD_link_get_name(SD_link_t link) {
- SD_CHECK_INIT_DONE();
- xbt_assert0(link != NULL, "Invalid parameter");
- return surf_workstation_model->extension_public->get_link_name(link->surf_link);
+const char *SD_link_get_name(SD_link_t link)
+{
+ return surf_resource_name(link->surf_link);
}
/**
* \brief Returns the current bandwidth of a link
*
* \param link a link
- * \return the current bandwidth of this link, in Flops
+ * \return the current bandwidth of this link, in bytes per second
*/
-double SD_link_get_current_bandwidth(SD_link_t link) {
- SD_CHECK_INIT_DONE();
- xbt_assert0(link != NULL, "Invalid parameter");
- return surf_workstation_model->extension_public->get_link_bandwidth(link->surf_link);
-}
-
-/**
- * \brief Returns the value of a given link property
- *
- * \param workstation a workstation
- * \param name a property name
- * \return value of a property (or NULL if property not set)
- */
-const char* SD_link_get_property_value(SD_link_t link, char* name)
+double SD_link_get_current_bandwidth(SD_link_t link)
{
- return xbt_dict_get_or_null(SD_link_get_properties(link), name);
+ return surf_workstation_model->extension.workstation.
+ get_link_bandwidth(link->surf_link);
}
/**
- * \brief Returns a #xbt_dict_t consisting of the list of properties assigned to a link
+ * \brief Returns the current latency of a link
*
* \param link a link
- * \return the dictionary containing the properties associated with the link
+ * \return the current latency of this link, in seconds
*/
-xbt_dict_t SD_link_get_properties(SD_link_t link)
+double SD_link_get_current_latency(SD_link_t link)
{
- SD_CHECK_INIT_DONE();
- xbt_assert0((link != NULL), "Invalid parameters");
-
- return (surf_workstation_model->common_public->get_properties(link->surf_link));
-
+ return surf_workstation_model->extension.workstation.
+ get_link_latency(link->surf_link);
}
/**
- * \brief Returns the current latency of a link
+ * \brief Returns the sharing policy of this workstation.
*
* \param link a link
- * \return the current latency of this link, in seconds
- */
-double SD_link_get_current_latency(SD_link_t link) {
- SD_CHECK_INIT_DONE();
- xbt_assert0(link != NULL, "Invalid parameter");
- return surf_workstation_model->extension_public->get_link_latency(link->surf_link);
-}
-
-/* Destroys a link.
+ * \return the sharing policyfor the flows going through this link:
+ * SD_LINK_SHARED or SD_LINK_FATPIPE
+ *
*/
-void __SD_link_destroy(void *link) {
- SD_CHECK_INIT_DONE();
- xbt_assert0(link != NULL, "Invalid parameter");
- /* link->surf_link is freed by surf_exit and link->data is freed by the user */
- xbt_free(link);
+e_SD_link_sharing_policy_t SD_link_get_sharing_policy(SD_link_t link)
+{
+ return link->sharing_policy;
}
-
