X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/093b834960aa7457d220feacad9542c4606ed8a0..54848f1b36dd4b0b508a77de74dfad59dd439a08:/src/kernel/routing/VivaldiZone.cpp?ds=sidebyside diff --git a/src/kernel/routing/VivaldiZone.cpp b/src/kernel/routing/VivaldiZone.cpp index 80c785fdf0..295660cb19 100644 --- a/src/kernel/routing/VivaldiZone.cpp +++ b/src/kernel/routing/VivaldiZone.cpp @@ -1,35 +1,37 @@ -/* Copyright (c) 2013-2017. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2013-2021. 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 - +#include "simgrid/kernel/routing/VivaldiZone.hpp" +#include "simgrid/kernel/routing/NetPoint.hpp" #include "simgrid/s4u/Engine.hpp" #include "simgrid/s4u/Host.hpp" - -#include "src/kernel/routing/NetPoint.hpp" -#include "src/kernel/routing/VivaldiZone.hpp" #include "src/surf/network_interface.hpp" +#include "surf/surf.hpp" + +#include XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_vivaldi, surf, "Routing part of surf"); namespace simgrid { namespace kernel { namespace routing { + namespace vivaldi { -simgrid::xbt::Extension Coords::EXTENSION_ID; -Coords::Coords(NetPoint* netpoint, std::string coordStr) +xbt::Extension Coords::EXTENSION_ID; + +Coords::Coords(NetPoint* netpoint, const std::string& coordStr) { if (not Coords::EXTENSION_ID.valid()) Coords::EXTENSION_ID = NetPoint::extension_create(); std::vector string_values; boost::split(string_values, coordStr, boost::is_any_of(" ")); - xbt_assert(string_values.size() == 3, "Coordinates of %s must have 3 dimensions", netpoint->cname()); + xbt_assert(string_values.size() == 3, "Coordinates of %s must have 3 dimensions", netpoint->get_cname()); - for (auto str : string_values) + for (auto const& str : string_values) try { coords.push_back(std::stod(str)); } catch (std::invalid_argument const& ia) { @@ -38,91 +40,70 @@ Coords::Coords(NetPoint* netpoint, std::string coordStr) coords.shrink_to_fit(); netpoint->extension_set(this); - XBT_DEBUG("Coords of %s %p: %s", netpoint->cname(), netpoint, coordStr.c_str()); + XBT_DEBUG("Coords of %s %p: %s", netpoint->get_cname(), netpoint, coordStr.c_str()); } -}; // namespace vivaldi +} // namespace vivaldi -static inline double euclidean_dist_comp(int index, std::vector* src, std::vector* dst) +static inline double euclidean_dist_comp(double src_coord, double dst_coord) { - double src_coord = src->at(index); - double dst_coord = dst->at(index); - return (src_coord - dst_coord) * (src_coord - dst_coord); } -static std::vector* getCoordsFromNetpoint(NetPoint* np) +static const std::vector& netpoint_get_coords(const NetPoint* np) { - simgrid::kernel::routing::vivaldi::Coords* coords = np->extension(); + const auto* coords = np->extension(); xbt_assert(coords, "Please specify the Vivaldi coordinates of %s %s (%p)", - (np->isNetZone() ? "Netzone" : (np->isHost() ? "Host" : "Router")), np->cname(), np); - return &coords->coords; -} -VivaldiZone::VivaldiZone(NetZone* father, const char* name) : ClusterZone(father, name) -{ + (np->is_netzone() ? "Netzone" : (np->is_host() ? "Host" : "Router")), np->get_cname(), np); + return coords->coords; } -void VivaldiZone::setPeerLink(NetPoint* netpoint, double bw_in, double bw_out, std::string coord) +void VivaldiZone::set_peer_link(NetPoint* netpoint, double bw_in, double bw_out) { - xbt_assert(netpoint->netzone() == this, "Cannot add a peer link to a netpoint that is not in this netzone"); - - new simgrid::kernel::routing::vivaldi::Coords(netpoint, coord); - - std::string link_up = "link_" + netpoint->name() + "_UP"; - std::string link_down = "link_" + netpoint->name() + "_DOWN"; - surf::LinkImpl* linkUp = surf_network_model->createLink(link_up.c_str(), bw_out, 0, SURF_LINK_SHARED); - surf::LinkImpl* linkDown = surf_network_model->createLink(link_down.c_str(), bw_in, 0, SURF_LINK_SHARED); - privateLinks_.insert({netpoint->id(), {linkUp, linkDown}}); + xbt_assert(netpoint->get_englobing_zone() == this, + "Cannot add a peer link to a netpoint that is not in this netzone"); + + std::string link_up = "link_" + netpoint->get_name() + "_UP"; + std::string link_down = "link_" + netpoint->get_name() + "_DOWN"; + const auto* linkUp = create_link(link_up, {bw_out})->seal(); + const auto* linkDown = create_link(link_down, {bw_in})->seal(); + add_route(netpoint, nullptr, nullptr, nullptr, {s4u::LinkInRoute(linkUp)}, false); + add_route(nullptr, netpoint, nullptr, nullptr, {s4u::LinkInRoute(linkDown)}, false); } -void VivaldiZone::getLocalRoute(NetPoint* src, NetPoint* dst, sg_platf_route_cbarg_t route, double* lat) +void VivaldiZone::get_local_route(const NetPoint* src, const NetPoint* dst, Route* route, double* lat) { - XBT_DEBUG("vivaldi getLocalRoute from '%s'[%u] '%s'[%u]", src->cname(), src->id(), dst->cname(), dst->id()); + XBT_DEBUG("vivaldi getLocalRoute from '%s'[%u] '%s'[%u]", src->get_cname(), src->id(), dst->get_cname(), dst->id()); - if (src->isNetZone()) { - std::string srcName = "router_" + src->name(); - std::string dstName = "router_" + dst->name(); - route->gw_src = simgrid::s4u::Engine::getInstance()->getNetpointByNameOrNull(srcName.c_str()); - route->gw_dst = simgrid::s4u::Engine::getInstance()->getNetpointByNameOrNull(dstName.c_str()); - } - - /* Retrieve the private links */ - auto src_link = privateLinks_.find(src->id()); - if (src_link != privateLinks_.end()) { - std::pair info = src_link->second; - if (info.first) { - route->link_list->push_back(info.first); - if (lat) - *lat += info.first->latency(); - } - } else { - XBT_DEBUG("Source of private link (%u) doesn't exist", src->id()); - } - - auto dst_link = privateLinks_.find(dst->id()); - if (dst_link != privateLinks_.end()) { - std::pair info = dst_link->second; - if (info.second) { - route->link_list->push_back(info.second); - if (lat) - *lat += info.second->latency(); - } - } else { - XBT_DEBUG("Destination of private link (%u) doesn't exist", dst->id()); + if (src->is_netzone()) { + std::string srcName = "router_" + src->get_name(); + std::string dstName = "router_" + dst->get_name(); + route->gw_src_ = s4u::Engine::get_instance()->netpoint_by_name_or_null(srcName); + route->gw_dst_ = s4u::Engine::get_instance()->netpoint_by_name_or_null(dstName); } + StarZone::get_local_route(src, dst, route, lat); /* Compute the extra latency due to the euclidean distance if needed */ if (lat) { - std::vector* srcCoords = getCoordsFromNetpoint(src); - std::vector* dstCoords = getCoordsFromNetpoint(dst); + std::vector srcCoords = netpoint_get_coords(src); + std::vector dstCoords = netpoint_get_coords(dst); double euclidean_dist = - sqrt(euclidean_dist_comp(0, srcCoords, dstCoords) + euclidean_dist_comp(1, srcCoords, dstCoords)) + - fabs(srcCoords->at(2)) + fabs(dstCoords->at(2)); + sqrt(euclidean_dist_comp(srcCoords[0], dstCoords[0]) + euclidean_dist_comp(srcCoords[1], dstCoords[1])) + + fabs(srcCoords[2]) + fabs(dstCoords[2]); XBT_DEBUG("Updating latency %f += %f", *lat, euclidean_dist); *lat += euclidean_dist / 1000.0; // From .ms to .s } } + +} // namespace routing +} // namespace kernel + +namespace s4u { +NetZone* create_vivaldi_zone(const std::string& name) +{ + return (new kernel::routing::VivaldiZone(name))->get_iface(); } -} -} +} // namespace s4u + +} // namespace simgrid