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Merge branch 'hypervisor' of scm.gforge.inria.fr:/gitroot/simgrid/simgrid into hypervisor
[simgrid.git] / src / surf / surf_routing_generic.c
index 2ee5f75..ea37264 100644 (file)
@@ -4,13 +4,12 @@
 /* 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 <pcre.h>               /* regular expression library */
-
 #include "simgrid/platf_interface.h"    // platform creation API internal interface
 
 #include "surf_routing_private.h"
 #include "surf/surf_routing.h"
 #include "surf/surfxml_parse_values.h"
+#include "xbt/graph.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_routing_generic, surf_route, "Generic implementation of the surf routing");
 
@@ -52,11 +51,12 @@ int generic_parse_AS(AS_t as, sg_routing_edge_t elm)
   return xbt_dynar_length(as->index_network_elm)-1;
 }
 
-void generic_parse_bypassroute(AS_t rc,
-    const char *src, const char *dst,
-    route_t e_route)
+void generic_parse_bypassroute(AS_t rc, sg_platf_route_cbarg_t e_route)
 {
-  if(e_route->dst_gateway)
+  char *src = (char*)(e_route->src);
+  char *dst = (char*)(e_route->dst);
+
+  if(e_route->gw_dst)
     XBT_DEBUG("Load bypassASroute from \"%s\" to \"%s\"", src, dst);
   else
     XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
@@ -69,16 +69,15 @@ void generic_parse_bypassroute(AS_t rc,
       src, dst);
   xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
       "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
-      src, e_route->src_gateway->name, dst, e_route->dst_gateway->name);
+      src, e_route->gw_src->name, dst, e_route->gw_dst->name);
 
-  route_t new_e_route = NULL;
-  if(e_route->dst_gateway)
+  sg_platf_route_cbarg_t new_e_route = NULL;
+  if(e_route->gw_dst)
     new_e_route =  generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 1);
   else
     new_e_route =  generic_new_extended_route(SURF_ROUTING_BASE, e_route, 1);
 
   xbt_dynar_free(&(e_route->link_list));
-  xbt_free(e_route);
 
   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route, NULL);
   no_bypassroute_declared = 0;
@@ -93,14 +92,124 @@ xbt_dynar_t generic_get_onelink_routes(AS_t rc) { // FIXME: kill that stub
   return NULL;
 }
 
-route_t generic_get_bypassroute(AS_t rc, sg_routing_edge_t src, sg_routing_edge_t dst, double *lat)
+static const char *instr_node_name(xbt_node_t node)
+{
+  void *data = xbt_graph_node_get_data(node);
+  char *str = (char *) data;
+  return str;
+}
+
+xbt_node_t new_xbt_graph_node(xbt_graph_t graph, const char *name,
+                              xbt_dict_t nodes)
+{
+  xbt_node_t ret = xbt_dict_get_or_null(nodes, name);
+  if (ret)
+    return ret;
+
+  ret = xbt_graph_new_node(graph, xbt_strdup(name));
+  xbt_dict_set(nodes, name, ret, NULL);
+  return ret;
+}
+
+xbt_edge_t new_xbt_graph_edge(xbt_graph_t graph, xbt_node_t s, xbt_node_t d,
+                              xbt_dict_t edges)
+{
+  xbt_edge_t ret;
+
+  const char *sn = instr_node_name(s);
+  const char *dn = instr_node_name(d);
+  int len = strlen(sn) + strlen(dn) + 1;
+  char *name = (char *) xbt_malloc(len * sizeof(char));
+
+
+  snprintf(name, len, "%s%s", sn, dn);
+  ret = xbt_dict_get_or_null(edges, name);
+  if (ret == NULL) {
+    snprintf(name, len, "%s%s", dn, sn);
+    ret = xbt_dict_get_or_null(edges, name);
+  }
+
+  if (ret == NULL) {
+    ret = xbt_graph_new_edge(graph, s, d, NULL);
+    xbt_dict_set(edges, name, ret, NULL);
+  }
+  free(name);
+  return ret;
+}
+
+void generic_get_graph(xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges,
+                       AS_t rc)
+{
+  int src, dst;
+  int table_size = xbt_dynar_length(rc->index_network_elm);
+
+
+  for (src = 0; src < table_size; src++) {
+    sg_routing_edge_t my_src =
+        xbt_dynar_get_as(rc->index_network_elm, src, sg_routing_edge_t);
+    for (dst = 0; dst < table_size; dst++) {
+      if (src == dst)
+        continue;
+      sg_routing_edge_t my_dst =
+          xbt_dynar_get_as(rc->index_network_elm, dst, sg_routing_edge_t);
+
+      sg_platf_route_cbarg_t route = xbt_new0(s_sg_platf_route_cbarg_t, 1);
+      route->link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
+
+      rc->get_route_and_latency(rc, my_src, my_dst, route, NULL);
+
+      XBT_DEBUG ("get_route_and_latency %s -> %s", my_src->name, my_dst->name);
+
+      unsigned int cpt;
+      void *link;
+
+      xbt_node_t current, previous;
+      const char *previous_name, *current_name;
+
+      if (route->gw_src) {
+        previous = new_xbt_graph_node(graph, route->gw_src->name, nodes);
+        previous_name = route->gw_src->name;
+      } else {
+        previous = new_xbt_graph_node(graph, my_src->name, nodes);
+        previous_name = my_src->name;
+      }
+
+      xbt_dynar_foreach(route->link_list, cpt, link) {
+        char *link_name = ((surf_resource_t) link)->name;
+        current = new_xbt_graph_node(graph, link_name, nodes);
+        current_name = link_name;
+        new_xbt_graph_edge(graph, previous, current, edges);
+        XBT_DEBUG ("  %s -> %s", previous_name, current_name);
+        previous = current;
+        previous_name = current_name;
+      }
+
+      if (route->gw_dst) {
+        current = new_xbt_graph_node(graph, route->gw_dst->name, nodes);
+        current_name = route->gw_dst->name;
+      } else {
+        current = new_xbt_graph_node(graph, my_dst->name, nodes);
+        current_name = my_dst->name;
+      }
+      new_xbt_graph_edge(graph, previous, current, edges);
+      XBT_DEBUG ("  %s -> %s", previous_name, current_name);
+
+      xbt_dynar_free (&(route->link_list));
+      xbt_free (route);
+    }
+  }
+}
+
+sg_platf_route_cbarg_t generic_get_bypassroute(AS_t rc, sg_routing_edge_t src,
+                                               sg_routing_edge_t dst,
+                                               double *lat)
 {
   // If never set a bypass route return NULL without any further computations
-  XBT_DEBUG("generic_get_bypassroute from %s to %s",src->name,dst->name);
-  if(no_bypassroute_declared)
+  XBT_DEBUG("generic_get_bypassroute from %s to %s", src->name, dst->name);
+  if (no_bypassroute_declared)
     return NULL;
 
-  route_t e_route_bypass = NULL;
+  sg_platf_route_cbarg_t e_route_bypass = NULL;
   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
 
   if(dst->rc_component == rc && src->rc_component == rc ){
@@ -206,13 +315,13 @@ route_t generic_get_bypassroute(AS_t rc, sg_routing_edge_t src, sg_routing_edge_
     xbt_dynar_free(&path_dst);
   }
 
-  route_t new_e_route = NULL;
+  sg_platf_route_cbarg_t new_e_route = NULL;
   if (e_route_bypass) {
     void *link;
     unsigned int cpt = 0;
-    new_e_route = xbt_new0(s_route_t, 1);
-    new_e_route->src_gateway = e_route_bypass->src_gateway;
-    new_e_route->dst_gateway = e_route_bypass->dst_gateway;
+    new_e_route = xbt_new0(s_sg_platf_route_cbarg_t, 1);
+    new_e_route->gw_src = e_route_bypass->gw_src;
+    new_e_route->gw_dst = e_route_bypass->gw_dst;
     new_e_route->link_list =
         xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
     xbt_dynar_foreach(e_route_bypass->link_list, cpt, link) {
@@ -228,15 +337,15 @@ route_t generic_get_bypassroute(AS_t rc, sg_routing_edge_t src, sg_routing_edge_
 /* ************************************************************************** */
 /* ************************* GENERIC AUX FUNCTIONS ************************** */
 /* change a route containing link names into a route containing link entities */
-route_t
+sg_platf_route_cbarg_t
 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
-    route_t routearg, int change_order) {
+    sg_platf_route_cbarg_t routearg, int change_order) {
 
-  route_t result;
+  sg_platf_route_cbarg_t result;
   char *link_name;
   unsigned int cpt;
 
-  result = xbt_new0(s_route_t, 1);
+  result = xbt_new0(s_sg_platf_route_cbarg_t, 1);
   result->link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
 
   xbt_assert(hierarchy == SURF_ROUTING_BASE
@@ -245,12 +354,12 @@ generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
 
   if (hierarchy == SURF_ROUTING_RECURSIVE) {
 
-    xbt_assert(routearg->src_gateway && routearg->dst_gateway,
+    xbt_assert(routearg->gw_src && routearg->gw_dst,
         "NULL is obviously a bad gateway");
 
     /* remeber not erase the gateway names */
-    result->src_gateway = routearg->src_gateway;
-    result->dst_gateway = routearg->dst_gateway;
+    result->gw_src = routearg->gw_src;
+    result->gw_dst = routearg->gw_dst;
   }
 
   xbt_dynar_foreach(routearg->link_list, cpt, link_name) {
@@ -268,7 +377,7 @@ generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
   return result;
 }
 
-void generic_free_route(route_t route)
+void generic_free_route(sg_platf_route_cbarg_t route)
 {
   if (route) {
     xbt_dynar_free(&route->link_list);