+/**
+ * \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 communication_amount the communication amount you want to evaluate (in bytes)
+ * \return an approximative astimated computation time for the given communication amount
+ * between the workstations (in seconds)
+ */
+double SD_route_get_communication_time(SD_workstation_t src,
+ SD_workstation_t dst,
+ double communication_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(communication_amount >= 0,
+ "communication_amount must be greater than or equal to zero");
+
+
+
+ if (communication_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 + (communication_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 workstation->access_mode;