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nicer API to the Netcard type
[simgrid.git] / src / surf / surf_routing_cluster.cpp
index 9358cd3..81848c2 100644 (file)
-#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.
+ */
+
+namespace simgrid {
+namespace surf {
+  AsCluster::AsCluster(const char*name)
+    : As(name)
+  {}
+
+void AsCluster::getRouteAndLatency(NetCard *src, NetCard *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->name(), src->id(), dst->name(), dst->id());
+
+  if (! src->isRouter()) {    // No specific link for router
+
+    if((src->id() == dst->id()) && has_loopback_  ){
+      info = xbt_dynar_get_as(upDownLinks, src->id() * 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 (has_limiter_){          // limiter for sender
+      info = xbt_dynar_get_as(upDownLinks, src->id() * nb_links_per_node_ + 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(upDownLinks, src->id() * nb_links_per_node_ + has_loopback_ + 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 (backbone_) {
+    xbt_dynar_push_as(route->link_list, void *,
+      static_cast<simgrid::surf::Resource*>(backbone_));
+    if (lat)
+      *lat += backbone_->getLatency();
+  }
+
+  if (! dst->isRouter()) {    // No specific link for router
+    info = xbt_dynar_get_as(upDownLinks, dst->id() * nb_links_per_node_ + has_loopback_ + 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 (has_limiter_){          // limiter for receiver
+        info = xbt_dynar_get_as(upDownLinks, dst->id() * nb_links_per_node_ + has_loopback_, s_surf_parsing_link_up_down_t);
+        xbt_dynar_push_as(route->link_list, void *, info.link_up);
+    }
+  }
 }
 
-AS_t model_cluster_create(void)
+void AsCluster::getGraph(xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges)
 {
-//FIXME:
+  int isrc;
+  int table_size = xbt_dynar_length(vertices_);
+
+  NetCard *src;
+  xbt_node_t current, previous, backboneNode = NULL, routerNode;
+  s_surf_parsing_link_up_down_t info;
+
+  xbt_assert(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 = router_->name();
+  routerNode = new_xbt_graph_node(graph, link_name, nodes);
+
+  if(backbone_) {
+    const char *link_nameR = 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(vertices_, isrc, NetCard*);
+
+    if (! src->isRouter()) {
+      previous = new_xbt_graph_node(graph, src->name(), nodes);
+
+      info = xbt_dynar_get_as(upDownLinks, src->id(), s_surf_parsing_link_up_down_t);
+
+      if (info.link_up) {     // link up
+
+        const char *link_name = static_cast<simgrid::surf::Resource*>(
+          info.link_up)->getName();
+        current = new_xbt_graph_node(graph, link_name, nodes);
+        new_xbt_graph_edge(graph, previous, current, edges);
+
+        if (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<simgrid::surf::Resource*>(
+          info.link_down)->getName();
+        current = new_xbt_graph_node(graph, link_name, nodes);
+        new_xbt_graph_edge(graph, previous, current, edges);
+
+        if (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.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(upDownLinks, position, &info);
+  xbt_free(link_id);
+}
+
+}
 }