-#include "surf_routing_private.h"
+/* Copyright (c) 2013-2015. The SimGrid Team.
+ * All rights reserved. */
-extern "C" {
- XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_vivaldi, surf, "Routing part of surf");
-}
+/* 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_vivaldi.hpp"
+#include "network_interface.hpp"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_vivaldi, surf, "Routing part of surf");
+static XBT_INLINE double euclidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst) {
+ double src_coord, dst_coord;
+
+ src_coord = xbt_dynar_get_as(src, index, double);
+ dst_coord = xbt_dynar_get_as(dst, index, double);
+
+ return (src_coord-dst_coord)*(src_coord-dst_coord);
+}
AS_t model_vivaldi_create(void)
-{//FIXME:
+{
+ return new simgrid::surf::AsVivaldi();
+}
+
+namespace simgrid {
+namespace surf {
+
+void AsVivaldi::getRouteAndLatency(RoutingEdge *src, RoutingEdge *dst, sg_platf_route_cbarg_t route, double *lat)
+{
+ s_surf_parsing_link_up_down_t info;
+
+ XBT_DEBUG("vivaldi_get_route_and_latency from '%s'[%d] '%s'[%d]",
+ src->getName(), src->getId(), dst->getName(), dst->getId());
+
+ if(src->getRcType() == SURF_NETWORK_ELEMENT_AS) {
+ char *src_name = ROUTER_PEER(src->getName());
+ char *dst_name = ROUTER_PEER(dst->getName());
+ route->gw_src = (sg_routing_edge_t) xbt_lib_get_or_null(as_router_lib, src_name, ROUTING_ASR_LEVEL);
+ route->gw_dst = (sg_routing_edge_t) xbt_lib_get_or_null(as_router_lib, dst_name, ROUTING_ASR_LEVEL);
+ xbt_free(src_name);
+ xbt_free(dst_name);
+ }
+
+ double euclidean_dist;
+ xbt_dynar_t src_ctn, dst_ctn;
+ char *tmp_src_name, *tmp_dst_name;
+
+ if(src->getRcType() == SURF_NETWORK_ELEMENT_HOST){
+ tmp_src_name = HOST_PEER(src->getName());
+
+ if(p_linkUpDownList){
+ info = xbt_dynar_get_as(p_linkUpDownList, src->getId(), 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();
+ }
+ }
+ src_ctn = (xbt_dynar_t) simgrid::Host::by_name_or_create(tmp_src_name)->extension(COORD_HOST_LEVEL);
+ if (src_ctn == nullptr)
+ src_ctn = (xbt_dynar_t) simgrid::Host::by_name_or_create(src->getName())->extension(COORD_HOST_LEVEL);
+ }
+ else if(src->getRcType() == SURF_NETWORK_ELEMENT_ROUTER || src->getRcType() == SURF_NETWORK_ELEMENT_AS){
+ tmp_src_name = ROUTER_PEER(src->getName());
+ src_ctn = (xbt_dynar_t) xbt_lib_get_or_null(as_router_lib, tmp_src_name, COORD_ASR_LEVEL);
+ }
+ else{
+ THROW_IMPOSSIBLE;
+ }
+
+ if(dst->getRcType() == SURF_NETWORK_ELEMENT_HOST){
+ tmp_dst_name = HOST_PEER(dst->getName());
+
+ if(p_linkUpDownList){
+ info = xbt_dynar_get_as(p_linkUpDownList, dst->getId(), 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();
+ }
+ }
+ dst_ctn = (xbt_dynar_t) simgrid::Host::by_name_or_create(tmp_dst_name)
+ ->extension(COORD_HOST_LEVEL);
+ if (dst_ctn == nullptr)
+ dst_ctn = (xbt_dynar_t) simgrid::Host::by_name_or_create(dst->getName())
+ ->extension(COORD_HOST_LEVEL);
+ }
+ else if(dst->getRcType() == SURF_NETWORK_ELEMENT_ROUTER || dst->getRcType() == SURF_NETWORK_ELEMENT_AS){
+ tmp_dst_name = ROUTER_PEER(dst->getName());
+ dst_ctn = (xbt_dynar_t) xbt_lib_get_or_null(as_router_lib, tmp_dst_name, COORD_ASR_LEVEL);
+ }
+ else{
+ THROW_IMPOSSIBLE;
+ }
+
+ xbt_assert(src_ctn,"No coordinate found for element '%s'",tmp_src_name);
+ xbt_assert(dst_ctn,"No coordinate found for element '%s'",tmp_dst_name);
+ free(tmp_src_name);
+ free(tmp_dst_name);
+
+ euclidean_dist = sqrt (euclidean_dist_comp(0,src_ctn,dst_ctn)+euclidean_dist_comp(1,src_ctn,dst_ctn))
+ + fabs(xbt_dynar_get_as(src_ctn, 2, double))+fabs(xbt_dynar_get_as(dst_ctn, 2, double));
+
+ if (lat){
+ XBT_DEBUG("Updating latency %f += %f",*lat,euclidean_dist);
+ *lat += euclidean_dist / 1000.0; //From .ms to .s
+ }
+}
+
+int AsVivaldi::parsePU(RoutingEdge *elm) {
+ XBT_DEBUG("Load process unit \"%s\"", elm->getName());
+ xbt_dynar_push_as(p_indexNetworkElm, sg_routing_edge_t, elm);
+ return xbt_dynar_length(p_indexNetworkElm)-1;
+}
+
+}
}
