+++ /dev/null
-/* Copyright (c) 2009-2016. 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 "src/surf/AsCluster.hpp"
-#include "src/surf/network_interface.hpp"
-
-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 routing {
- AsCluster::AsCluster(const char*name)
- : AsImpl(name)
- {}
- AsCluster::~AsCluster()
- {
- xbt_dynar_free(&privateLinks_);
- }
-
-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());
- xbt_assert(!xbt_dynar_is_empty(privateLinks_), "Cluster routing : no links attached to the source node - did you use host_link tag?");
- if (! src->isRouter()) { // No specific link for router
-
- if((src->id() == dst->id()) && hasLoopback_ ){
- info = xbt_dynar_get_as(privateLinks_, src->id() * linkCountPerNode_, s_surf_parsing_link_up_down_t);
- route->link_list->push_back(info.linkUp);
- if (lat)
- *lat += info.linkUp->getLatency();
- return;
- }
-
-
- if (hasLimiter_){ // limiter for sender
- info = xbt_dynar_get_as(privateLinks_, src->id() * linkCountPerNode_ + (hasLoopback_?1:0), s_surf_parsing_link_up_down_t);
- route->link_list->push_back((Link*)info.linkUp);
- }
-
- info = xbt_dynar_get_as(privateLinks_, src->id() * linkCountPerNode_ + (hasLoopback_?1:0) + (hasLimiter_?1:0), s_surf_parsing_link_up_down_t);
- if (info.linkUp) { // link up
- route->link_list->push_back(info.linkUp);
- if (lat)
- *lat += info.linkUp->getLatency();
- }
-
- }
-
- if (backbone_) {
- route->link_list->push_back(backbone_);
- if (lat)
- *lat += backbone_->getLatency();
- }
-
- if (! dst->isRouter()) { // No specific link for router
- info = xbt_dynar_get_as(privateLinks_, dst->id() * linkCountPerNode_ + hasLoopback_ + hasLimiter_, s_surf_parsing_link_up_down_t);
-
- if (info.linkDown) { // link down
- route->link_list->push_back(info.linkDown);
- if (lat)
- *lat += info.linkDown->getLatency();
- }
- if (hasLimiter_){ // limiter for receiver
- info = xbt_dynar_get_as(privateLinks_, dst->id() * linkCountPerNode_ + hasLoopback_, s_surf_parsing_link_up_down_t);
- route->link_list->push_back(info.linkUp);
- }
- }
-}
-
-void AsCluster::getGraph(xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges)
-{
- int isrc;
- int table_size = xbt_dynar_length(vertices_);
-
- NetCard *src;
- xbt_node_t current, previous, backboneNode = nullptr, 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(privateLinks_, src->id(), s_surf_parsing_link_up_down_t);
-
- if (info.linkUp) { // link up
-
- const char *link_name = static_cast<simgrid::surf::Resource*>(
- info.linkUp)->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.linkDown) { // link down
- const char *link_name = static_cast<simgrid::surf::Resource*>(
- info.linkDown)->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_surf_parsing_link_up_down_t info;
- char* link_id = bprintf("%s_link_%d", cluster->id, id);
-
- s_sg_platf_link_cbarg_t link;
- 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.linkUp = Link::byName(tmp_link);
- xbt_free(tmp_link);
- tmp_link = bprintf("%s_DOWN", link_id);
- info.linkDown = Link::byName(tmp_link);
- xbt_free(tmp_link);
- } else {
- info.linkUp = Link::byName(link_id);
- info.linkDown = info.linkUp;
- }
- xbt_dynar_set(privateLinks_, position, &info);
- xbt_free(link_id);
-}
-
-}
-}
