#include "private.h"
#include "simdag/simdag.h"
+#include "xbt/dict.h"
+#include "xbt/sysdep.h"
#include "surf/surf.h"
-#include "xbt/sysdep.h" /* xbt_new0 */
-/* Creates a link.
+/* Creates a link and registers it in SD.
*/
-SD_link_t __SD_link_create(void *surf_link, char *name, void *data) {
- CHECK_INIT_DONE();
+SD_link_t __SD_link_create(void *surf_link, void *data) {
+ SD_CHECK_INIT_DONE();
xbt_assert0(surf_link != NULL, "surf_link is NULL !");
- xbt_assert0(name != NULL, "name is NULL !");
- SD_link_data_t sd_data = xbt_new0(s_SD_link_data_t, 1); /* link private data */
- sd_data->surf_link = surf_link;
- sd_data->name = xbt_strdup(name);
-
- SD_link_t link = xbt_new0(s_SD_link_t, 1);
- link->sd_data = sd_data; /* private data */
+ SD_link_t link = xbt_new(s_SD_link_t, 1);
+ link->surf_link = surf_link;
link->data = data; /* user data */
- /*link->capacity = capacity;*/
- /* link->current_bandwidth = bandwidth;
- link->current_latency = latency;*/
-
- /*xbt_dynar_push(sd_global->links, link);*/
- xbt_dict_set(sd_global->links, name, link, __SD_link_destroy); /* add the workstation to the dictionary */
+ const char *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++;
return link;
}
+/**
+ * \brief Returns the link list
+ *
+ * Use SD_link_get_number() to know the array size.
+ *
+ * \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) {
+ SD_CHECK_INIT_DONE();
+ xbt_assert0(SD_link_get_number() > 0, "There is no link!");
+
+ xbt_dict_cursor_t cursor;
+ char *key;
+ void *data;
+ int i;
+
+ 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);
+
+ i = 0;
+ xbt_dict_foreach(sd_global->links, cursor, key, data) {
+ sd_global->link_list[i++] = (SD_link_t) data;
+ }
+ }
+ return sd_global->link_list;
+}
+
+/**
+ * \brief Returns the number of links
+ *
+ * \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;
+}
-/* Returns the user data of a link. The user data can be NULL.
+/**
+ * \brief Returns the user data of a link
+ *
+ * \param link a link
+ * \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) {
- CHECK_INIT_DONE();
+ SD_CHECK_INIT_DONE();
xbt_assert0(link != NULL, "Invalid parameter");
return link->data;
}
-/* Sets the user data of a link. The new data can be NULL. The old data should have been freed first if it was not NULL.
+/**
+ * \brief Sets the user data of a link
+ *
+ * The new data can be \c NULL. The old data should have been freed first
+ * if it was not \c NULL.
+ *
+ * \param link a link
+ * \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) {
- CHECK_INIT_DONE();
+ SD_CHECK_INIT_DONE();
xbt_assert0(link != NULL, "Invalid parameter");
link->data = data;
}
-/* Returns the name of a link. The name can be NULL.
+/**
+ * \brief Returns the name of a link
+ *
+ * \param link a link
+ * \return the name of this link (cannot be \c NULL)
*/
const char* SD_link_get_name(SD_link_t link) {
- CHECK_INIT_DONE();
+ SD_CHECK_INIT_DONE();
xbt_assert0(link != NULL, "Invalid parameter");
- return link->sd_data->name;
-
- /* return surf_network_resource->common_public->get_resource_name(link->sd_data->surf_link);*/
+ return surf_workstation_resource->extension_public->get_link_name(link->surf_link);
}
-/* Returns the capacity of a link.
- */
-/*
-double SD_link_get_capacity(SD_link_t link) {
- xbt_assert0(link, "Invalid parameter");
- return link->capacity;
-}*/
-
-/* Return the current bandwidth of a link.
+/**
+ * \brief Returns the current bandwidth of a link
+ *
+ * \param link a link
+ * \return the current bandwidth of this link, in Flops
*/
double SD_link_get_current_bandwidth(SD_link_t link) {
- CHECK_INIT_DONE();
+ SD_CHECK_INIT_DONE();
xbt_assert0(link != NULL, "Invalid parameter");
- return surf_workstation_resource->extension_public->get_link_bandwidth(link->sd_data->surf_link);
+ return surf_workstation_resource->extension_public->get_link_bandwidth(link->surf_link);
}
-/* Return the current latency of a link.
+/**
+ * \brief Returns the current latency of a link
+ *
+ * \param link a link
+ * \return the current latency of this link, in seconds
*/
double SD_link_get_current_latency(SD_link_t link) {
- CHECK_INIT_DONE();
+ SD_CHECK_INIT_DONE();
xbt_assert0(link != NULL, "Invalid parameter");
- return surf_workstation_resource->extension_public->get_link_latency(link->sd_data->surf_link);
+ return surf_workstation_resource->extension_public->get_link_latency(link->surf_link);
}
-/* Destroys a link. The user data (if any) should have been destroyed first.
+/* Destroys a link.
*/
void __SD_link_destroy(void *link) {
- CHECK_INIT_DONE();
+ SD_CHECK_INIT_DONE();
xbt_assert0(link != NULL, "Invalid parameter");
-
- SD_link_data_t sd_data = ((SD_link_t) link)->data;
- if (sd_data != NULL) {
- if (sd_data->name != NULL)
- xbt_free(sd_data->name);
-
- xbt_free(sd_data);
- }
-
+ /* link->surf_link is freed by surf_exit and link->data is freed by the user */
xbt_free(link);
}
