X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5faf49cdf3f8ad8751317b857a6d3134fe07eda3..7817355e1053db0ad176750462d290516dc993e3:/src/surf/surf_routing_vivaldi.cpp

diff --git a/src/surf/surf_routing_vivaldi.cpp b/src/surf/surf_routing_vivaldi.cpp
index b36798f0d3..bb993082df 100644
--- a/src/surf/surf_routing_vivaldi.cpp
+++ b/src/surf/surf_routing_vivaldi.cpp
@@ -1,10 +1,108 @@
-#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 AsVivaldi();
+}
+
+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) xbt_lib_get_or_null(host_lib, tmp_src_name, COORD_HOST_LEVEL);
+    if(!src_ctn ) src_ctn = (xbt_dynar_t) xbt_lib_get_or_null(host_lib, src->getName(), 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) xbt_lib_get_or_null(host_lib, tmp_dst_name, COORD_HOST_LEVEL);
+    if(!dst_ctn ) dst_ctn = (xbt_dynar_t) xbt_lib_get_or_null(host_lib, dst->getName(), 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;
 }