X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c42a490591abbf09de551a4a28301fde92f0d306..371d168e21b83e2364c2ac2dbff3847588769c2b:/src/kernel/routing/StarZone.cpp diff --git a/src/kernel/routing/StarZone.cpp b/src/kernel/routing/StarZone.cpp index 4316ffbaac..3ccb8888ba 100644 --- a/src/kernel/routing/StarZone.cpp +++ b/src/kernel/routing/StarZone.cpp @@ -1,62 +1,59 @@ -/* Copyright (c) 2009-2021. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2009-2023. 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 "simgrid/kernel/routing/StarZone.hpp" #include "simgrid/kernel/routing/NetPoint.hpp" -#include "simgrid/kernel/routing/RoutedZone.hpp" -#include "src/surf/network_interface.hpp" -#include "src/surf/xml/platf_private.hpp" // RouteCreationArgs and friends +#include "src/kernel/resource/NetworkModel.hpp" +#include "xbt/string.hpp" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_star, surf, "Routing part of surf"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_routing_star, ker_platform, "Kernel Star Routing"); namespace simgrid { -namespace kernel { -namespace routing { -StarZone::StarZone(const std::string& name) : NetZoneImpl(name) {} +namespace kernel::routing { +StarZone::StarZone(const std::string& name) : ClusterZone(name) {} -void StarZone::add_links_to_route(const std::vector& links, RouteCreationArgs* route, - double* latency, std::unordered_set& added_links) const +void StarZone::add_links_to_route(const std::vector& links, Route* route, double* latency, + std::unordered_set& added_links) const { for (auto* link : links) { - /* do not add duplicated links in route->link_list */ + /* do not add duplicated links in route->link_list_ */ if (not added_links.insert(link).second) continue; - if (latency) - *latency += link->get_latency(); - route->link_list.push_back(link); + add_link_latency(route->link_list_, link, latency); } } -void StarZone::get_local_route(NetPoint* src, NetPoint* dst, RouteCreationArgs* route, double* latency) +void StarZone::get_local_route(const NetPoint* src, const NetPoint* dst, Route* route, double* latency) { - XBT_VERB("StarZone getLocalRoute from '%s'[%u] to '%s'[%u]", src->get_cname(), src->id(), dst->get_cname(), + XBT_VERB("StarZone getLocalRoute from '%s'[%lu] to '%s'[%lu]", src->get_cname(), src->id(), dst->get_cname(), dst->id()); - bool has_loopback = ((src == dst) and (routes_[src->id()].has_loopback())); - xbt_assert((has_loopback) or (routes_[src->id()].has_links_up()), + const auto& src_route = routes_.at(src->id()); + const auto& dst_route = routes_.at(dst->id()); + std::unordered_set added_links; + /* loopback */ + if (src == dst && src_route.has_loopback()) { + add_links_to_route(src_route.loopback, route, latency, added_links); + return; + } + + xbt_assert(src_route.has_links_up(), "StarZone routing (%s - %s): no link UP from source node. Did you use add_route() to set it?", src->get_cname(), dst->get_cname()); - xbt_assert((has_loopback) or (routes_[dst->id()].has_links_down()), + xbt_assert(dst_route.has_links_down(), "StarZone routing (%s - %s): no link DOWN to destination node. Did you use add_route() to set it?", src->get_cname(), dst->get_cname()); - std::unordered_set added_links; - /* loopback */ - if ((src == dst) and (routes_[src->id()].has_loopback())) { - add_links_to_route(routes_[src->id()].loopback, route, latency, added_links); - return; - } - /* going UP */ - add_links_to_route(routes_[src->id()].links_up, route, latency, added_links); + add_links_to_route(src_route.links_up, route, latency, added_links); /* going DOWN */ - add_links_to_route(routes_[dst->id()].links_down, route, latency, added_links); + add_links_to_route(dst_route.links_down, route, latency, added_links); /* gateways */ - route->gw_src = routes_[src->id()].gateway; - route->gw_dst = routes_[dst->id()].gateway; + route->gw_src_ = src_route.gateway; + route->gw_dst_ = dst_route.gateway; } void StarZone::get_graph(const s_xbt_graph_t* graph, std::map>* nodes, @@ -65,8 +62,9 @@ void StarZone::get_graph(const s_xbt_graph_t* graph, std::mapid()].gateway ? routes_[src->id()].gateway->get_cname() : src->get_cname(); + xbt_node_t src_node = new_xbt_graph_node(graph, src_name, nodes); /* going up */ - xbt_node_t src_node = new_xbt_graph_node(graph, src->get_cname(), nodes); xbt_node_t previous = src_node; for (auto const* link : routes_[src->id()].links_up) { xbt_node_t current = new_xbt_graph_node(graph, link->get_cname(), nodes); @@ -91,55 +89,76 @@ void StarZone::check_add_route_param(const NetPoint* src, const NetPoint* dst, c const char* src_name = src ? src->get_cname() : "nullptr"; const char* dst_name = dst ? dst->get_cname() : "nullptr"; - xbt_assert((src == dst) or (not src and dst) or (src and not dst), - "Cannot add route from %s to %s. In a StarZone, route must be: i) from source host to everyone, ii) from " - "everyone to a single host or iii) loopback, same source and destination", - src_name, dst_name); - xbt_assert((not symmetrical) or (symmetrical and src), - "Cannot add route from %s to %s. In a StarZone, symmetrical routes must be set from source to everyone " - "(not the contrary).", - src_name, dst_name); - - if (src and src->is_netzone()) { - xbt_assert(gw_src, "add_route(): source %s is a netzone but gw_src isn't configured", src->get_cname()); - xbt_assert(not gw_src->is_netzone(), "add_route(): src(%s) is a netzone, gw_src(%s) cannot be a netzone", - src->get_cname(), gw_src->get_cname()); + if ((not src && not dst) || (dst && src && src != dst)) + throw std::invalid_argument(xbt::string_printf( + "Cannot add route from %s to %s. In a StarZone, route must be: i) from source netpoint to everyone, ii) from " + "everyone to a single netpoint or iii) loopback, same source and destination", + src_name, dst_name)); + + if (symmetrical && not src) + throw std::invalid_argument(xbt::string_printf("Cannot add route from %s to %s. In a StarZone, symmetrical routes " + "must be set from source to everyone (not the contrary)", + src_name, dst_name)); + + if (src && src->is_netzone()) { + if (not gw_src) + throw std::invalid_argument(xbt::string_printf( + "StarZone::add_route(): source %s is a netzone but gw_src isn't configured", src->get_cname())); + if (gw_src->is_netzone()) + throw std::invalid_argument( + xbt::string_printf("StarZone::add_route(): src(%s) is a netzone, gw_src(%s) cannot be a netzone", + src->get_cname(), gw_src->get_cname())); + + const auto* netzone_src = get_netzone_recursive(src); + if (not netzone_src || not netzone_src->is_component_recursive(gw_src)) + throw std::invalid_argument(xbt::string_printf( + "Invalid NetzoneRoute from %s@%s to %s: gw_src %s belongs to %s, not to %s.", src_name, gw_src->get_cname(), + dst_name, gw_src->get_cname(), gw_src->get_englobing_zone()->get_cname(), src_name)); } - if (dst and dst->is_netzone()) { - xbt_assert(gw_dst, "add_route(): destination %s is a netzone but gw_dst isn't configured", dst->get_cname()); - xbt_assert(not gw_dst->is_netzone(), "add_route(): dst(%s) is a netzone, gw_dst(%s) cannot be a netzone", - dst->get_cname(), gw_dst->get_cname()); + if (dst && dst->is_netzone()) { + if (not gw_dst) + throw std::invalid_argument(xbt::string_printf( + "StarZone::add_route(): destination %s is a netzone but gw_dst isn't configured", dst->get_cname())); + if (gw_dst->is_netzone()) + throw std::invalid_argument( + xbt::string_printf("StarZone::add_route(): dst(%s) is a netzone, gw_dst(%s) cannot be a netzone", + dst->get_cname(), gw_dst->get_cname())); + + const auto* netzone_dst = get_netzone_recursive(dst); + if (not netzone_dst || not netzone_dst->is_component_recursive(gw_dst)) + throw std::invalid_argument(xbt::string_printf( + "Invalid NetzoneRoute from %s@%s to %s: gw_dst %s belongs to %s, not to %s.", dst_name, gw_dst->get_cname(), + src_name, gw_dst->get_cname(), gw_dst->get_englobing_zone()->get_cname(), dst_name)); } } void StarZone::add_route(NetPoint* src, NetPoint* dst, NetPoint* gw_src, NetPoint* gw_dst, - const std::vector& link_list, bool symmetrical) + const std::vector& link_list, bool symmetrical) { check_add_route_param(src, dst, gw_src, gw_dst, symmetrical); - s4u::NetZone::on_route_creation(symmetrical, gw_src, gw_dst, gw_src, gw_dst, link_list); - /* loopback */ if (src == dst) { - routes_[src->id()].loopback = link_list; + routes_[src->id()].loopback = get_link_list_impl(link_list, false); } else { /* src to everyone */ if (src) { auto& route = routes_[src->id()]; - route.links_up = link_list; + route.links_up = get_link_list_impl(link_list, false); route.gateway = gw_src; route.links_up_set = true; if (symmetrical) { + auto links_down = get_link_list_impl(link_list, true); /* reverse it for down/symmetrical links */ - route.links_down.assign(link_list.rbegin(), link_list.rend()); + route.links_down.assign(links_down.rbegin(), links_down.rend()); route.links_down_set = true; } } /* dst to everyone */ if (dst) { auto& route = routes_[dst->id()]; - route.links_down = link_list; + route.links_down = get_link_list_impl(link_list, false); route.gateway = gw_dst; route.links_down_set = true; } @@ -150,16 +169,15 @@ void StarZone::do_seal() { /* add default empty links if nothing was configured by user */ for (auto const& node : get_vertices()) { - auto route = routes_.emplace(node->id(), StarRoute()); - if (route.second) { - route.first->second.links_down_set = true; - route.first->second.links_up_set = true; + auto [route, inserted] = routes_.try_emplace(node->id()); + if (inserted) { + route->second.links_down_set = true; + route->second.links_up_set = true; } } } -} // namespace routing -} // namespace kernel +} // namespace kernel::routing namespace s4u { NetZone* create_star_zone(const std::string& name)