1 /* Copyright (c) 2009-2022. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/kernel/routing/RoutedZone.hpp"
7 #include "simgrid/kernel/routing/NetPoint.hpp"
8 #include "src/kernel/resource/StandardLinkImpl.hpp"
10 #include "xbt/graph.h"
12 #include "xbt/sysdep.h"
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_routing_generic, ker_routing, "Kernel Generic Routing");
16 /* ***************************************************************** */
17 /* *********************** GENERIC METHODS ************************* */
19 namespace simgrid::kernel::routing {
21 RoutedZone::RoutedZone(const std::string& name) : NetZoneImpl(name) {}
23 void RoutedZone::get_graph(const s_xbt_graph_t* graph, std::map<std::string, xbt_node_t, std::less<>>* nodes,
24 std::map<std::string, xbt_edge_t, std::less<>>* edges)
26 std::vector<NetPoint*> vertices = get_vertices();
28 for (auto const& my_src : vertices) {
29 for (auto const& my_dst : vertices) {
35 get_local_route(my_src, my_dst, &route, nullptr);
37 XBT_DEBUG("get_route_and_latency %s -> %s", my_src->get_cname(), my_dst->get_cname());
41 const char* previous_name;
42 const char* current_name;
45 previous = new_xbt_graph_node(graph, route.gw_src_->get_cname(), nodes);
46 previous_name = route.gw_src_->get_cname();
48 previous = new_xbt_graph_node(graph, my_src->get_cname(), nodes);
49 previous_name = my_src->get_cname();
52 for (auto const& link : route.link_list_) {
53 const char* link_name = link->get_cname();
54 current = new_xbt_graph_node(graph, link_name, nodes);
55 current_name = link_name;
56 new_xbt_graph_edge(graph, previous, current, edges);
57 XBT_DEBUG(" %s -> %s", previous_name, current_name);
59 previous_name = current_name;
63 current = new_xbt_graph_node(graph, route.gw_dst_->get_cname(), nodes);
64 current_name = route.gw_dst_->get_cname();
66 current = new_xbt_graph_node(graph, my_dst->get_cname(), nodes);
67 current_name = my_dst->get_cname();
69 new_xbt_graph_edge(graph, previous, current, edges);
70 XBT_DEBUG(" %s -> %s", previous_name, current_name);
75 /* ************************************************************************** */
76 /* ************************* GENERIC AUX FUNCTIONS ************************** */
77 /* change a route containing link names into a route containing link entities */
78 Route* RoutedZone::new_extended_route(RoutingMode hierarchy, NetPoint* gw_src, NetPoint* gw_dst,
79 const std::vector<resource::StandardLinkImpl*>& link_list, bool preserve_order)
81 auto* result = new Route();
83 if (hierarchy == RoutingMode::recursive) {
84 xbt_assert(gw_src && gw_dst, "nullptr is obviously a deficient gateway");
86 result->gw_src_ = gw_src;
87 result->gw_dst_ = gw_dst;
91 result->link_list_ = link_list;
93 result->link_list_.assign(link_list.rbegin(), link_list.rend()); // reversed
94 result->link_list_.shrink_to_fit();
99 void RoutedZone::get_route_check_params(const NetPoint* src, const NetPoint* dst) const
101 xbt_assert(src, "Cannot find a route from nullptr to %s", dst->get_cname());
102 xbt_assert(dst, "Cannot find a route from %s to nullptr", src->get_cname());
104 const NetZoneImpl* src_as = src->get_englobing_zone();
105 const NetZoneImpl* dst_as = dst->get_englobing_zone();
107 xbt_assert(src_as == dst_as,
108 "Internal error: %s@%s and %s@%s are not in the same netzone as expected. Please report that bug.",
109 src->get_cname(), src_as->get_cname(), dst->get_cname(), dst_as->get_cname());
111 xbt_assert(this == dst_as,
112 "Internal error: route destination %s@%s is not in netzone %s as expected (route source: "
113 "%s@%s). Please report that bug.",
114 src->get_cname(), dst->get_cname(), src_as->get_cname(), dst_as->get_cname(), get_cname());
116 void RoutedZone::add_route_check_params(NetPoint* src, NetPoint* dst, NetPoint* gw_src, NetPoint* gw_dst,
117 const std::vector<s4u::LinkInRoute>& link_list, bool symmetrical) const
119 const char* srcName = src->get_cname();
120 const char* dstName = dst->get_cname();
122 if (not gw_dst || not gw_src) {
123 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", srcName, dstName);
124 xbt_assert(src, "Cannot add a route from %s to %s: %s does not exist.", srcName, dstName, srcName);
125 xbt_assert(dst, "Cannot add a route from %s to %s: %s does not exist.", srcName, dstName, dstName);
126 xbt_assert(not link_list.empty(), "Empty route (between %s and %s) forbidden.", srcName, dstName);
127 xbt_assert(not src->is_netzone(),
128 "When defining a route, src cannot be a netzone such as '%s'. Did you meant to have a NetzoneRoute?",
130 xbt_assert(not dst->is_netzone(),
131 "When defining a route, dst cannot be a netzone such as '%s'. Did you meant to have a NetzoneRoute?",
133 NetZoneImpl::on_route_creation(symmetrical, src, dst, gw_src, gw_dst, get_link_list_impl(link_list, false));
135 XBT_DEBUG("Load NetzoneRoute from %s@%s to %s@%s", srcName, gw_src->get_cname(), dstName, gw_dst->get_cname());
136 xbt_assert(src->is_netzone(), "When defining a NetzoneRoute, src must be a netzone but '%s' is not", srcName);
137 xbt_assert(dst->is_netzone(), "When defining a NetzoneRoute, dst must be a netzone but '%s' is not", dstName);
139 xbt_assert(gw_src->is_host() || gw_src->is_router(),
140 "When defining a NetzoneRoute, gw_src must be a host or a router but '%s' is not.", srcName);
141 xbt_assert(gw_dst->is_host() || gw_dst->is_router(),
142 "When defining a NetzoneRoute, gw_dst must be a host or a router but '%s' is not.", dstName);
144 xbt_assert(gw_src != gw_dst, "Cannot define a NetzoneRoute from '%s' to itself", gw_src->get_cname());
146 xbt_assert(src, "Cannot add a route from %s@%s to %s@%s: %s does not exist.", srcName, gw_src->get_cname(), dstName,
147 gw_dst->get_cname(), srcName);
148 xbt_assert(dst, "Cannot add a route from %s@%s to %s@%s: %s does not exist.", srcName, gw_src->get_cname(), dstName,
149 gw_dst->get_cname(), dstName);
150 xbt_assert(not link_list.empty(), "Empty route (between %s@%s and %s@%s) forbidden.", srcName, gw_src->get_cname(),
151 dstName, gw_dst->get_cname());
152 const auto* netzone_src = get_netzone_recursive(src);
153 xbt_assert(netzone_src->is_component_recursive(gw_src),
154 "Invalid NetzoneRoute from %s@%s to %s@%s: gw_src %s belongs to %s, not to %s.", srcName,
155 gw_src->get_cname(), dstName, gw_dst->get_cname(), gw_src->get_cname(),
156 gw_src->get_englobing_zone()->get_cname(), srcName);
158 const auto* netzone_dst = get_netzone_recursive(dst);
159 xbt_assert(netzone_dst->is_component_recursive(gw_dst),
160 "Invalid NetzoneRoute from %s@%s to %s@%s: gw_dst %s belongs to %s, not to %s.", srcName,
161 gw_src->get_cname(), dstName, gw_dst->get_cname(), gw_dst->get_cname(),
162 gw_dst->get_englobing_zone()->get_cname(), dst->get_cname());
163 NetZoneImpl::on_route_creation(symmetrical, gw_src, gw_dst, gw_src, gw_dst, get_link_list_impl(link_list, false));
166 } // namespace simgrid::kernel::routing