-/* Copyright (c) 2013-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2013-2016. 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 <xbt/dynar.h>
+#include <boost/algorithm/string.hpp>
#include <simgrid/s4u/host.hpp>
#include "src/kernel/routing/AsVivaldi.hpp"
+#include "src/kernel/routing/NetCard.hpp"
#include "src/surf/network_interface.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_vivaldi, surf, "Routing part of surf");
namespace kernel {
namespace routing {
namespace vivaldi {
-simgrid::xbt::Extension<s4u::Host, Coords> Coords::EXTENSION_ID;
+simgrid::xbt::Extension<NetCard, Coords> Coords::EXTENSION_ID;
-Coords::Coords(s4u::Host* host, const char* coordStr)
+Coords::Coords(NetCard* netcard, const char* coordStr)
{
- if (!Coords::EXTENSION_ID.valid()) {
- Coords::EXTENSION_ID = s4u::Host::extension_create<Coords>();
- }
+ if (!Coords::EXTENSION_ID.valid())
+ Coords::EXTENSION_ID = NetCard::extension_create<Coords>();
- unsigned int cursor;
- char* str;
+ std::vector<std::string> string_values;
+ boost::split(string_values, coordStr, boost::is_any_of(" "));
+ xbt_assert(string_values.size() == 3, "Coordinates of %s must have 3 dimensions", netcard->cname());
- xbt_dynar_t ctn_str = xbt_str_split_str(coordStr, " ");
- xbt_assert(xbt_dynar_length(ctn_str) == 3, "Coordinates of %s must have 3 dimensions", host->name().c_str());
+ for (auto str : string_values)
+ coords.push_back(xbt_str_parse_double(str.c_str(), "Invalid coordinate: %s"));
+ coords.shrink_to_fit();
- this->coords = xbt_dynar_new(sizeof(double), nullptr);
- xbt_dynar_foreach (ctn_str, cursor, str) {
- double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
- xbt_dynar_push(this->coords, &val);
- }
- xbt_dynar_free(&ctn_str);
- xbt_dynar_shrink(this->coords, 0);
- host->extension_set<Coords>(this);
-}
-Coords::~Coords()
-{
- xbt_dynar_free(&coords);
+ netcard->extension_set<Coords>(this);
+ XBT_DEBUG("Coords of %s %p: %s", netcard->cname(), netcard, coordStr);
}
+Coords::~Coords() = default;
}; // namespace vivaldi
-static inline double euclidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
+static inline double euclidean_dist_comp(int index, std::vector<double>* src, std::vector<double>* dst)
{
- double src_coord = xbt_dynar_get_as(src, index, double);
- double dst_coord = xbt_dynar_get_as(dst, index, double);
+ double src_coord = src->at(index);
+ double dst_coord = dst->at(index);
return (src_coord - dst_coord) * (src_coord - dst_coord);
- }
-
- static xbt_dynar_t getCoordsFromNetcard(NetCard *nc)
- {
- xbt_dynar_t res = nullptr;
- char *tmp_name;
-
- if (nc->isHost()) {
- tmp_name = bprintf("peer_%s", nc->name().c_str());
- simgrid::s4u::Host *host = simgrid::s4u::Host::by_name_or_null(tmp_name);
- if (host == nullptr)
- host = simgrid::s4u::Host::by_name_or_null(nc->name());
- if (host != nullptr)
- res = host->extension<simgrid::kernel::routing::vivaldi::Coords>()->coords;
- }
- else if(nc->isRouter() || nc->isAS()){
- tmp_name = bprintf("router_%s", nc->name().c_str());
- res = (xbt_dynar_t) xbt_lib_get_or_null(as_router_lib, tmp_name, COORD_ASR_LEVEL);
- }
- else{
- THROW_IMPOSSIBLE;
- }
+}
- xbt_assert(res,"No coordinate found for element '%s'",tmp_name);
- free(tmp_name);
+static std::vector<double>* getCoordsFromNetcard(NetCard* nc)
+{
+ simgrid::kernel::routing::vivaldi::Coords* coords = nc->extension<simgrid::kernel::routing::vivaldi::Coords>();
+ xbt_assert(coords, "Please specify the Vivaldi coordinates of %s %s (%p)",
+ (nc->isAS() ? "AS" : (nc->isHost() ? "Host" : "Router")), nc->cname(), nc);
+ return &coords->coords;
+}
+AsVivaldi::AsVivaldi(As* father, const char* name) : AsCluster(father, name)
+{
+}
- return res;
+void AsVivaldi::getLocalRoute(NetCard* src, NetCard* dst, sg_platf_route_cbarg_t route, double* lat)
+{
+ XBT_DEBUG("vivaldi getLocalRoute from '%s'[%d] '%s'[%d]", src->cname(), src->id(), dst->cname(), dst->id());
+
+ if (src->isAS()) {
+ char* srcName = bprintf("router_%s", src->cname());
+ char* dstName = bprintf("router_%s", dst->cname());
+ route->gw_src = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib, srcName, ROUTING_ASR_LEVEL);
+ route->gw_dst = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib, dstName, ROUTING_ASR_LEVEL);
+ xbt_free(srcName);
+ xbt_free(dstName);
}
- AsVivaldi::AsVivaldi(As* father, const char* name) : AsCluster(father, name)
- {}
-
- void AsVivaldi::getLocalRoute(NetCard* src, NetCard* dst, sg_platf_route_cbarg_t route, double* lat)
- {
- XBT_DEBUG("vivaldi getLocalRoute from '%s'[%d] '%s'[%d]", src->name().c_str(), src->id(), dst->name().c_str(),
- dst->id());
-
- if (src->isAS()) {
- char* srcName = bprintf("router_%s", src->name().c_str());
- char* dstName = bprintf("router_%s", dst->name().c_str());
- route->gw_src = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib, srcName, ROUTING_ASR_LEVEL);
- route->gw_dst = (sg_netcard_t)xbt_lib_get_or_null(as_router_lib, dstName, ROUTING_ASR_LEVEL);
- xbt_free(srcName);
- xbt_free(dstName);
- }
- /* Retrieve the private links */
- if (privateLinks_.size() > src->id()) {
- s_surf_parsing_link_up_down_t info = privateLinks_.at(src->id());
- if (info.linkUp) {
- route->link_list->push_back(info.linkUp);
- if (lat)
- *lat += info.linkUp->latency();
- }
+ /* Retrieve the private links */
+ if (privateLinks_.size() > src->id()) {
+ s_surf_parsing_link_up_down_t info = privateLinks_.at(src->id());
+ if (info.linkUp) {
+ route->link_list->push_back(info.linkUp);
+ if (lat)
+ *lat += info.linkUp->latency();
}
- if (privateLinks_.size() > dst->id()) {
- s_surf_parsing_link_up_down_t info = privateLinks_.at(dst->id());
- if (info.linkDown) {
- route->link_list->push_back(info.linkDown);
- if (lat)
- *lat += info.linkDown->latency();
- }
+ }
+ if (privateLinks_.size() > dst->id()) {
+ s_surf_parsing_link_up_down_t info = privateLinks_.at(dst->id());
+ if (info.linkDown) {
+ route->link_list->push_back(info.linkDown);
+ if (lat)
+ *lat += info.linkDown->latency();
}
+ }
- /* Compute the extra latency due to the euclidean distance if needed */
- if (lat) {
- xbt_dynar_t srcCoords = getCoordsFromNetcard(src);
- xbt_dynar_t dstCoords = getCoordsFromNetcard(dst);
+ /* Compute the extra latency due to the euclidean distance if needed */
+ if (lat) {
+ std::vector<double>* srcCoords = getCoordsFromNetcard(src);
+ std::vector<double>* dstCoords = getCoordsFromNetcard(dst);
- double euclidean_dist =
- sqrt(euclidean_dist_comp(0, srcCoords, dstCoords) + euclidean_dist_comp(1, srcCoords, dstCoords)) +
- fabs(xbt_dynar_get_as(srcCoords, 2, double)) + fabs(xbt_dynar_get_as(dstCoords, 2, double));
+ double euclidean_dist =
+ sqrt(euclidean_dist_comp(0, srcCoords, dstCoords) + euclidean_dist_comp(1, srcCoords, dstCoords)) +
+ fabs(srcCoords->at(2)) + fabs(dstCoords->at(2));
- XBT_DEBUG("Updating latency %f += %f", *lat, euclidean_dist);
- *lat += euclidean_dist / 1000.0; // From .ms to .s
- }
+ XBT_DEBUG("Updating latency %f += %f", *lat, euclidean_dist);
+ *lat += euclidean_dist / 1000.0; // From .ms to .s
+ }
+}
+}
+}
}
-
-}}}