X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1e56742544f7195c4cc0525569d610b0ba0e3d8c..6760cb07d6b57be16928d95339d71e57c4e24f36:/src/simdag/sd_link.c

diff --git a/src/simdag/sd_link.c b/src/simdag/sd_link.c
index e9637b592f..ed84a8bb57 100644
--- a/src/simdag/sd_link.c
+++ b/src/simdag/sd_link.c
@@ -1,3 +1,9 @@
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. 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"
@@ -6,7 +12,8 @@
 
 /* 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;
@@ -16,14 +23,19 @@ SD_link_t __SD_link_create(void *surf_link, void *data) {
 
   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 */
+  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
  *
@@ -32,19 +44,20 @@ SD_link_t __SD_link_create(void *surf_link, void *data) {
  * \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;
   char *key;
   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 */
+  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;
@@ -59,7 +72,8 @@ const SD_link_t*  SD_link_get_list(void) {
  * \return the number of existing links
  * \see SD_link_get_list()
  */
-int SD_link_get_number(void) {
+int SD_link_get_number(void)
+{
   SD_CHECK_INIT_DONE();
   return sd_global->link_count;
 }
@@ -71,7 +85,8 @@ int SD_link_get_number(void) {
  * \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) {
+void *SD_link_get_data(SD_link_t link)
+{
   SD_CHECK_INIT_DONE();
   xbt_assert0(link != NULL, "Invalid parameter");
   return link->data;
@@ -87,7 +102,8 @@ void* SD_link_get_data(SD_link_t 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) {
+void SD_link_set_data(SD_link_t link, void *data)
+{
   SD_CHECK_INIT_DONE();
   xbt_assert0(link != NULL, "Invalid parameter");
   link->data = data;
@@ -99,69 +115,63 @@ void SD_link_set_data(SD_link_t link, void *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) {
+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);
+  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) {
+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 certain link property
- *
- * \param workstation a workstation
- * \param name a property name
- * \return value of a property
- */
-const char* SD_link_get_property_value(SD_link_t link, char* name)
-{
-  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_dynar_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));
-
+  xbt_assert0(link != NULL, "Invalid parameter");
+  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
+ * \return the sharing policyfor the flows going through this link:
+ * SD_LINK_SHARED or SD_LINK_FATPIPE
+ *
  */
-double SD_link_get_current_latency(SD_link_t link) {
+e_SD_link_sharing_policy_t SD_link_get_sharing_policy(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);
+  return link->sharing_policy;
 }
 
+
 /* Destroys a link.
  */
-void __SD_link_destroy(void *link) {
+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);
 }
-