-#include "surf_routing_private.h"
+/* Copyright (c) 2009-2011, 2013-2015. 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 "surf_routing_cluster.hpp"
-extern "C" {
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_cluster, surf, "Routing part of surf");
-}
+
+/* This routing is specifically setup to represent clusters, aka homogeneous sets of machines
+ * Note that a router is created, easing the interconnexion with the rest of the world.
+ */
AS_t model_cluster_create(void)
{
-//FIXME:
+ return new AsCluster();
+}
+
+/* Creation routing model functions */
+AsCluster::AsCluster() : AsNone()
+{
+ p_backbone = 0;
+ p_loopback = 0;
+ p_router = 0;
+ p_has_limiter = 0;
+ p_has_loopback = 0;
+ p_nb_links_per_node = 1;
+}
+
+/* Business methods */
+void AsCluster::getRouteAndLatency(RoutingEdge *src, RoutingEdge *dst, sg_platf_route_cbarg_t route, double *lat)
+{
+ s_surf_parsing_link_up_down_t info;
+ XBT_VERB("cluster_get_route_and_latency from '%s'[%d] to '%s'[%d]",
+ src->getName(), src->getId(), dst->getName(), dst->getId());
+
+ if (src->getRcType() != SURF_NETWORK_ELEMENT_ROUTER) { // No specific link for router
+
+ if((src->getId() == dst->getId()) && p_has_loopback ){
+ info = xbt_dynar_get_as(p_linkUpDownList, src->getId() * p_nb_links_per_node, s_surf_parsing_link_up_down_t);
+ xbt_dynar_push_as(route->link_list, void *, info.link_up);
+ if (lat)
+ *lat += static_cast<Link*>(info.link_up)->getLatency();
+ return;
+ }
+
+
+ if (p_has_limiter){ // limiter for sender
+ info = xbt_dynar_get_as(p_linkUpDownList, src->getId() * p_nb_links_per_node + p_has_loopback, s_surf_parsing_link_up_down_t);
+ xbt_dynar_push_as(route->link_list, void *, info.link_up);
+ }
+
+ info = xbt_dynar_get_as(p_linkUpDownList, src->getId() * p_nb_links_per_node + p_has_loopback + p_has_limiter, s_surf_parsing_link_up_down_t);
+ if (info.link_up) { // link up
+ xbt_dynar_push_as(route->link_list, void *, info.link_up);
+ if (lat)
+ *lat += static_cast<Link*>(info.link_up)->getLatency();
+ }
+
+ }
+
+ if (p_backbone) {
+ xbt_dynar_push_as(route->link_list, void *, static_cast<Resource*>(p_backbone));
+ if (lat)
+ *lat += p_backbone->getLatency();
+ }
+
+ if (dst->getRcType() != SURF_NETWORK_ELEMENT_ROUTER) { // No specific link for router
+ info = xbt_dynar_get_as(p_linkUpDownList, dst->getId() * p_nb_links_per_node + p_has_loopback + p_has_limiter, s_surf_parsing_link_up_down_t);
+
+ if (info.link_down) { // link down
+ xbt_dynar_push_as(route->link_list, void *, info.link_down);
+ if (lat)
+ *lat += static_cast<Link*>(info.link_down)->getLatency();
+ }
+ if (p_has_limiter){ // limiter for receiver
+ info = xbt_dynar_get_as(p_linkUpDownList, dst->getId() * p_nb_links_per_node + p_has_loopback, s_surf_parsing_link_up_down_t);
+ xbt_dynar_push_as(route->link_list, void *, info.link_up);
+ }
+ }
+}
+
+void AsCluster::getGraph(xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges)
+{
+ int isrc;
+ int table_size = xbt_dynar_length(p_indexNetworkElm);
+
+ RoutingEdge *src;
+ xbt_node_t current, previous, backboneNode = NULL, routerNode;
+ s_surf_parsing_link_up_down_t info;
+
+ xbt_assert(p_router,"Malformed cluster. This may be because your platform file is a hypergraph while it must be a graph.");
+
+ /* create the router */
+ char *link_name = p_router->getName();
+ routerNode = new_xbt_graph_node(graph, link_name, nodes);
+
+ if(p_backbone) {
+ const char *link_nameR = p_backbone->getName();
+ backboneNode = new_xbt_graph_node(graph, link_nameR, nodes);
+
+ new_xbt_graph_edge(graph, routerNode, backboneNode, edges);
+ }
+
+ for (isrc = 0; isrc < table_size; isrc++) {
+ src = xbt_dynar_get_as(p_indexNetworkElm, isrc, RoutingEdge*);
+
+ if (src->getRcType() != SURF_NETWORK_ELEMENT_ROUTER) {
+ previous = new_xbt_graph_node(graph, src->getName(), nodes);
+
+ info = xbt_dynar_get_as(p_linkUpDownList, src->getId(), s_surf_parsing_link_up_down_t);
+
+ if (info.link_up) { // link up
+
+ const char *link_name = static_cast<Resource*>(info.link_up)->getName();
+ current = new_xbt_graph_node(graph, link_name, nodes);
+ new_xbt_graph_edge(graph, previous, current, edges);
+
+ if (p_backbone) {
+ new_xbt_graph_edge(graph, current, backboneNode, edges);
+ } else {
+ new_xbt_graph_edge(graph, current, routerNode, edges);
+ }
+
+ }
+
+ if (info.link_down) { // link down
+ const char *link_name = static_cast<Resource*>(info.link_down)->getName();
+ current = new_xbt_graph_node(graph, link_name, nodes);
+ new_xbt_graph_edge(graph, previous, current, edges);
+
+ if (p_backbone) {
+ new_xbt_graph_edge(graph, current, backboneNode, edges);
+ } else {
+ new_xbt_graph_edge(graph, current, routerNode, edges);
+ }
+ }
+ }
+
+ }
+}
+
+void AsCluster::create_links_for_node(sg_platf_cluster_cbarg_t cluster, int id, int , int position){
+ s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
+ s_surf_parsing_link_up_down_t info;
+ char* link_id = bprintf("%s_link_%d", cluster->id, id);
+
+ memset(&link, 0, sizeof(link));
+ link.id = link_id;
+ link.bandwidth = cluster->bw;
+ link.latency = cluster->lat;
+ link.state = SURF_RESOURCE_ON;
+ link.policy = cluster->sharing_policy;
+ sg_platf_new_link(&link);
+
+ if (link.policy == SURF_LINK_FULLDUPLEX) {
+ char *tmp_link = bprintf("%s_UP", link_id);
+ info.link_up = sg_link_by_name(tmp_link);
+ xbt_free(tmp_link);
+ tmp_link = bprintf("%s_DOWN", link_id);
+ info.link_down = sg_link_by_name(tmp_link);
+ xbt_free(tmp_link);
+ } else {
+ info.link_up = sg_link_by_name(link_id);
+ info.link_down = info.link_up;
+ }
+ xbt_dynar_set(p_linkUpDownList, position, &info);
+ xbt_free(link_id);
}
+
+int AsCluster::parsePU(RoutingEdge *elm) {
+ XBT_DEBUG("Load process unit \"%s\"", elm->getName());
+ xbt_dynar_push_as(p_indexNetworkElm, RoutingEdge*, elm);
+ return xbt_dynar_length(p_indexNetworkElm)-1;
+}
+
+int AsCluster::parseAS(RoutingEdge *elm) {
+ XBT_DEBUG("Load Autonomous system \"%s\"", elm->getName());
+ xbt_dynar_push_as(p_indexNetworkElm, RoutingEdge*, elm);
+ return xbt_dynar_length(p_indexNetworkElm)-1;
+}
+