+/* 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/sysdep.h" /* xbt_new0 */
+#include "xbt/dict.h"
+#include "xbt/sysdep.h"
+#include "surf/surf.h"
+#include "surf/surf_resource.h"
-/* Creates a link.
+
+/* Creates a link and registers it in SD.
*/
-SG_link_t SG_link_create(void *data, const char *name, double capacity, double bandwidth, double latency) {
- xbt_assert0(capacity >= 0, "Invalid parameter"); /* or capacity > 0 ? */
+SD_link_t __SD_link_create(void *surf_link, void *data)
+{
- SG_link_t link = xbt_new0(s_SG_link_t, 1);
+ SD_link_t link;
+ const char *name;
- link->data = data;
- link->name = xbt_strdup(name);
- link->capacity = capacity;
- link->current_bandwidth = bandwidth;
- link->current_latency = latency;
+ link = xbt_new(s_SD_link_t, 1);
+ link->surf_link = surf_link;
+ 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_lib_set(link_lib,name,SD_LINK_LEVEL,link);
return link;
}
-/* Returns the user data of a link. The user data can be NULL.
+/**
+ * \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()
*/
-void* SG_link_get_data(SG_link_t link) {
- xbt_assert0(link, "Invalid parameter");
- return link->data;
+const SD_link_t *SD_link_get_list(void)
+{
+
+ xbt_lib_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, xbt_lib_length(link_lib));
+
+ i = 0;
+ 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;
}
-/* Sets the user data of a link. The data can be NULL.
+/**
+ * \brief Returns the number of links
+ *
+ * \return the number of existing links
+ * \see SD_link_get_list()
*/
-void SG_link_set_data(SG_link_t link, void *data) {
- xbt_assert0(link, "Invalid parameter");
- link->data = data;
+int SD_link_get_number(void)
+{
+ return xbt_lib_length(link_lib);
}
-/* Returns the name of a link. The name 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()
*/
-const char* SG_link_get_name(SG_link_t link) {
- xbt_assert0(link, "Invalid parameter");
- return link->name;
+void *SD_link_get_data(SD_link_t link)
+{
+ return link->data;
}
-/* Returns the capacity of a link.
+/**
+ * \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()
*/
-double SG_link_get_capacity(SG_link_t link) {
- xbt_assert0(link, "Invalid parameter");
- return link->capacity;
+void SD_link_set_data(SD_link_t link, void *data)
+{
+ link->data = data;
}
-/* Return the current bandwidth of a link.
+/**
+ * \brief Returns the name of a link
+ *
+ * \param link a link
+ * \return the name of this link (cannot be \c NULL)
*/
-double SG_link_get_current_bandwidth(SG_link_t link) {
- xbt_assert0(link, "Invalid parameter");
- return link->current_bandwidth;
+const char *SD_link_get_name(SD_link_t link)
+{
+ return surf_resource_name(link->surf_link);
}
-/* Return the current latency of a link.
+/**
+ * \brief Returns the current bandwidth of a link
+ *
+ * \param link a link
+ * \return the current bandwidth of this link, in bytes per second
*/
-double SG_link_get_current_latency(SG_link_t link) {
- xbt_assert0(link, "Invalid parameter");
- return link->current_latency;
+double SD_link_get_current_bandwidth(SD_link_t link)
+{
+ return surf_workstation_model->extension.workstation.
+ get_link_bandwidth(link->surf_link);
}
-/* Destroys a link. The user data (if any) should have been destroyed first.
+/**
+ * \brief Returns the current latency of a link
+ *
+ * \param link a link
+ * \return the current latency of this link, in seconds
*/
-void SG_link_destroy(SG_link_t link) {
- xbt_assert0(link, "Invalid parameter");
-
- if (link->name)
- free(link->name);
+double SD_link_get_current_latency(SD_link_t link)
+{
+ return surf_workstation_model->extension.workstation.
+ get_link_latency(link->surf_link);
+}
- free(link);
+/**
+ * \brief Returns the sharing policy of this workstation.
+ *
+ * \param link a link
+ * \return the sharing policyfor the flows going through this link:
+ * SD_LINK_SHARED or SD_LINK_FATPIPE
+ *
+ */
+e_SD_link_sharing_policy_t SD_link_get_sharing_policy(SD_link_t link)
+{
+ return link->sharing_policy;
}
