1 /* Copyright (c) 2009-2017. 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. */
9 #include "xbt/sysdep.h"
11 #include "src/kernel/routing/NetPoint.hpp"
12 #include "src/kernel/routing/RoutedZone.hpp"
13 #include "src/surf/network_interface.hpp"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_routing_generic, surf_route, "Generic implementation of the surf routing");
17 void routing_route_free(sg_platf_route_cbarg_t route)
20 delete route->link_list;
25 /* ***************************************************************** */
26 /* *********************** GENERIC METHODS ************************* */
28 static const char* instr_node_name(xbt_node_t node)
30 void* data = xbt_graph_node_get_data(node);
31 return static_cast<const char*>(data);
34 xbt_node_t new_xbt_graph_node(xbt_graph_t graph, const char* name, xbt_dict_t nodes)
36 xbt_node_t ret = static_cast<xbt_node_t>(xbt_dict_get_or_null(nodes, name));
40 ret = xbt_graph_new_node(graph, xbt_strdup(name));
41 xbt_dict_set(nodes, name, ret, nullptr);
45 xbt_edge_t new_xbt_graph_edge(xbt_graph_t graph, xbt_node_t s, xbt_node_t d, xbt_dict_t edges)
47 const char* sn = instr_node_name(s);
48 const char* dn = instr_node_name(d);
49 std::string name = std::string(sn) + dn;
51 xbt_edge_t ret = static_cast<xbt_edge_t>(xbt_dict_get_or_null(edges, name.c_str()));
53 name = std::string(dn) + sn;
54 ret = static_cast<xbt_edge_t>(xbt_dict_get_or_null(edges, name.c_str()));
58 ret = xbt_graph_new_edge(graph, s, d, nullptr);
59 xbt_dict_set(edges, name.c_str(), ret, nullptr);
68 RoutedZone::RoutedZone(NetZone* father, std::string name) : NetZoneImpl(father, name)
72 void RoutedZone::getGraph(xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges)
74 std::vector<kernel::routing::NetPoint*> vertices = getVertices();
76 for (auto const& my_src : vertices) {
77 for (auto const& my_dst : vertices) {
81 sg_platf_route_cbarg_t route = xbt_new0(s_sg_platf_route_cbarg_t, 1);
82 route->link_list = new std::vector<surf::LinkImpl*>();
84 getLocalRoute(my_src, my_dst, route, nullptr);
86 XBT_DEBUG("get_route_and_latency %s -> %s", my_src->cname(), my_dst->cname());
90 const char *previous_name;
91 const char *current_name;
94 previous = new_xbt_graph_node(graph, route->gw_src->cname(), nodes);
95 previous_name = route->gw_src->cname();
97 previous = new_xbt_graph_node(graph, my_src->cname(), nodes);
98 previous_name = my_src->cname();
101 for (auto const& link : *route->link_list) {
102 const char* link_name = link->cname();
103 current = new_xbt_graph_node(graph, link_name, nodes);
104 current_name = link_name;
105 new_xbt_graph_edge(graph, previous, current, edges);
106 XBT_DEBUG(" %s -> %s", previous_name, current_name);
108 previous_name = current_name;
112 current = new_xbt_graph_node(graph, route->gw_dst->cname(), nodes);
113 current_name = route->gw_dst->cname();
115 current = new_xbt_graph_node(graph, my_dst->cname(), nodes);
116 current_name = my_dst->cname();
118 new_xbt_graph_edge(graph, previous, current, edges);
119 XBT_DEBUG(" %s -> %s", previous_name, current_name);
121 delete route->link_list;
127 /* ************************************************************************** */
128 /* ************************* GENERIC AUX FUNCTIONS ************************** */
129 /* change a route containing link names into a route containing link entities */
130 sg_platf_route_cbarg_t RoutedZone::newExtendedRoute(RoutingMode hierarchy, sg_platf_route_cbarg_t routearg,
133 sg_platf_route_cbarg_t result;
135 result = xbt_new0(s_sg_platf_route_cbarg_t, 1);
136 result->link_list = new std::vector<surf::LinkImpl*>();
138 xbt_assert(hierarchy == RoutingMode::base || hierarchy == RoutingMode::recursive,
139 "The hierarchy of this netzone is neither BASIC nor RECURSIVE, I'm lost here.");
141 if (hierarchy == RoutingMode::recursive) {
142 xbt_assert(routearg->gw_src && routearg->gw_dst, "nullptr is obviously a deficient gateway");
144 result->gw_src = routearg->gw_src;
145 result->gw_dst = routearg->gw_dst;
148 for (auto const& link : *routearg->link_list) {
150 result->link_list->push_back(link);
152 result->link_list->insert(result->link_list->begin(), link);
154 result->link_list->shrink_to_fit();
159 void RoutedZone::getRouteCheckParams(NetPoint* src, NetPoint* dst)
161 xbt_assert(src, "Cannot find a route from nullptr to %s", dst->cname());
162 xbt_assert(dst, "Cannot find a route from %s to nullptr", src->cname());
164 NetZone* src_as = src->netzone();
165 NetZone* dst_as = dst->netzone();
167 xbt_assert(src_as == dst_as,
168 "Internal error: %s@%s and %s@%s are not in the same netzone as expected. Please report that bug.",
169 src->cname(), src_as->getCname(), dst->cname(), dst_as->getCname());
171 xbt_assert(this == dst_as, "Internal error: route destination %s@%s is not in netzone %s as expected (route source: "
172 "%s@%s). Please report that bug.",
173 src->cname(), dst->cname(), src_as->getCname(), dst_as->getCname(), getCname());
175 void RoutedZone::addRouteCheckParams(sg_platf_route_cbarg_t route)
177 NetPoint* src = route->src;
178 NetPoint* dst = route->dst;
179 const char* srcName = src->cname();
180 const char* dstName = dst->cname();
182 if (not route->gw_dst || not route->gw_src) {
183 XBT_DEBUG("Load Route from \"%s\" to \"%s\"", srcName, dstName);
184 xbt_assert(src, "Cannot add a route from %s to %s: %s does not exist.", srcName, dstName, srcName);
185 xbt_assert(dst, "Cannot add a route from %s to %s: %s does not exist.", srcName, dstName, dstName);
186 xbt_assert(not route->link_list->empty(), "Empty route (between %s and %s) forbidden.", srcName, dstName);
187 xbt_assert(not src->isNetZone(),
188 "When defining a route, src cannot be a netzone such as '%s'. Did you meant to have an NetzoneRoute?",
190 xbt_assert(not dst->isNetZone(),
191 "When defining a route, dst cannot be a netzone such as '%s'. Did you meant to have an NetzoneRoute?",
194 XBT_DEBUG("Load NetzoneRoute from %s@%s to %s@%s", srcName, route->gw_src->cname(), dstName, route->gw_dst->cname());
195 xbt_assert(src->isNetZone(), "When defining a NetzoneRoute, src must be a netzone but '%s' is not", srcName);
196 xbt_assert(dst->isNetZone(), "When defining a NetzoneRoute, dst must be a netzone but '%s' is not", dstName);
198 xbt_assert(route->gw_src->isHost() || route->gw_src->isRouter(),
199 "When defining a NetzoneRoute, gw_src must be an host or a router but '%s' is not.", srcName);
200 xbt_assert(route->gw_dst->isHost() || route->gw_dst->isRouter(),
201 "When defining a NetzoneRoute, gw_dst must be an host or a router but '%s' is not.", dstName);
203 xbt_assert(route->gw_src != route->gw_dst, "Cannot define an NetzoneRoute from '%s' to itself", route->gw_src->cname());
205 xbt_assert(src, "Cannot add a route from %s@%s to %s@%s: %s does not exist.", srcName, route->gw_src->cname(),
206 dstName, route->gw_dst->cname(), srcName);
207 xbt_assert(dst, "Cannot add a route from %s@%s to %s@%s: %s does not exist.", srcName, route->gw_src->cname(),
208 dstName, route->gw_dst->cname(), dstName);
209 xbt_assert(not route->link_list->empty(), "Empty route (between %s@%s and %s@%s) forbidden.", srcName,
210 route->gw_src->cname(), dstName, route->gw_dst->cname());
213 onRouteCreation(route->symmetrical, route->src, route->dst, route->gw_src, route->gw_dst, route->link_list);