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Kill unused variable.
[simgrid.git] / src / surf / surf_routing_cluster.c
index 61752a4..3ba6ccc 100644 (file)
 /* 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 "surf_routing_private.h"
+#include "xbt/graph.h"
 
 /* Global vars */
-extern routing_global_t global_routing;
-extern routing_component_t current_routing;
-extern model_type_t current_routing_model;
-extern xbt_dynar_t link_list;
-extern xbt_dict_t cluster_host_link;
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_cluster, surf, "Routing part of surf");
 
-/* Routing model structure */
+/* This routing is specifically setup to represent clusters, aka homogeneous sets of machines
+ * Note that a router is created, easing the interconnexion with the rest of the world.
+ */
 
-typedef struct {
-  s_routing_component_t generic_routing;
-  xbt_dict_t dict_processing_units;
-  xbt_dict_t dict_autonomous_systems;
-} s_routing_component_cluster_t, *routing_component_cluster_t;
-
-/* Parse routing model functions */
-
-static void model_cluster_set_processing_unit(routing_component_t rc,
-                                                const char *name)
+/* Business methods */
+static void cluster_get_route_and_latency(AS_t as,
+                                          sg_routing_edge_t src,
+                                          sg_routing_edge_t dst,
+                                          sg_platf_route_cbarg_t route,
+                                          double *lat)
 {
-  routing_component_cluster_t routing =
-      (routing_component_cluster_t) rc;
-  xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
-}
 
-static void model_cluster_set_autonomous_system(routing_component_t rc,
-                                                  const char *name)
-{
-  routing_component_cluster_t routing =
-      (routing_component_cluster_t) rc;
-  xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
-               NULL);
-}
+  s_surf_parsing_link_up_down_t info;
+  XBT_DEBUG("cluster_get_route_and_latency from '%s'[%d] to '%s'[%d]",
+            src->name, src->id, dst->name, dst->id);
+
+  if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {    // No specific link for router
+    info =
+        xbt_dynar_get_as(as->link_up_down_list, src->id,
+                         s_surf_parsing_link_up_down_t);
+    if (info.link_up) {         // link up
+      xbt_dynar_push_as(route->link_list, void *, info.link_up);
+      if (lat)
+        *lat +=
+            surf_network_model->extension.network.get_link_latency(info.
+                                                                   link_up);
+    }
+  }
 
-static void model_cluster_set_bypassroute(routing_component_t rc,
-                                            const char *src,
-                                            const char *dst,
-                                            route_extended_t e_route)
-{
-  xbt_die("bypass routing not supported for Route-Based model");
-}
+  if (((as_cluster_t) as)->backbone) {
+    xbt_dynar_push_as(route->link_list, void *, ((as_cluster_t) as)->backbone);
+    if (lat)
+      *lat +=
+          surf_network_model->extension.network.
+          get_link_latency(((as_cluster_t) as)->backbone);
+  }
 
-static void model_cluster_set_route(routing_component_t rc,
-                                      const char *src, const char *dst,
-                                      name_route_extended_t route)
-{
-       xbt_die("routing not supported for Route-Based model");
+  if (dst->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {    // No specific link for router
+    info =
+        xbt_dynar_get_as(as->link_up_down_list, dst->id,
+                         s_surf_parsing_link_up_down_t);
+    if (info.link_down) {       // link down
+      xbt_dynar_push_as(route->link_list, void *, info.link_down);
+      if (lat)
+        *lat +=
+            surf_network_model->extension.network.get_link_latency(info.
+                                                                   link_down);
+    }
+  }
 }
 
-static void model_cluster_set_ASroute(routing_component_t rc,
-                                        const char *src, const char *dst,
-                                        name_route_extended_t route)
+static void cluster_get_graph(xbt_graph_t graph, xbt_dict_t nodes,
+                              xbt_dict_t edges, AS_t rc)
 {
-       xbt_die("AS routing not supported for Route-Based model");
-}
-
-#define BUFFER_SIZE 4096        /* result buffer size */
-#define OVECCOUNT 30            /* should be a multiple of 3 */
+  int isrc;
+  int table_size = xbt_dynar_length(rc->index_network_elm);
 
-static route_extended_t cluster_get_route(routing_component_t rc,
-                                            const char *src,
-                                            const char *dst);
-static xbt_dynar_t cluster_get_onelink_routes(routing_component_t rc)
-{
-  xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
+  sg_routing_edge_t src;
+  xbt_node_t current, previous, backboneNode,routerNode;
+  s_surf_parsing_link_up_down_t info;
 
-  //We have already bypass cluster routes with network NS3
-  if(!strcmp(surf_network_model->name,"network NS3"))
-       return ret;
+  xbt_assert(((as_cluster_t) rc)->router,"Malformed cluster");
 
-  routing_component_cluster_t routing = (routing_component_cluster_t)rc;
+  /* create the router */
+  char *link_name =
+                 ((sg_routing_edge_t) ((as_cluster_t) rc)->router)->name;
+  routerNode = new_xbt_graph_node(graph, link_name, nodes);
 
-  xbt_dict_cursor_t c1 = NULL;
-  char *k1, *d1;
+  if(((as_cluster_t) rc)->backbone) {
+         char *link_nameR =
+                         ((surf_resource_t) ((as_cluster_t) rc)->backbone)->name;
+         backboneNode = new_xbt_graph_node(graph, link_nameR, nodes);
 
-  //find router
-  char *router = NULL;
-  xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
-    if (rc->get_network_element_type(k1) == SURF_NETWORK_ELEMENT_ROUTER){
-      router = k1;
-    }
+         new_xbt_graph_edge(graph, routerNode, backboneNode, edges);
   }
 
-  if (!router){
-    xbt_die ("cluster_get_onelink_routes works only if the AS is a cluster, sorry.");
-  }
+  for (isrc = 0; isrc < table_size; isrc++) {
+         src = xbt_dynar_get_as(rc->index_network_elm, isrc, sg_routing_edge_t);
 
-  xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
-    route_extended_t route = cluster_get_route (rc, router, k1);
+         if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {
+                         previous = new_xbt_graph_node(graph, src->name, nodes);
 
-    int number_of_links = xbt_dynar_length(route->generic_route.link_list);
+                         info = xbt_dynar_get_as(rc->link_up_down_list, src->id,
+                                         s_surf_parsing_link_up_down_t);
 
-    if(number_of_links == 1) {
-               //loopback
-    }
-    else{
-               if (number_of_links != 2) {
-                 xbt_die ("cluster_get_onelink_routes works only if the AS is a cluster, sorry.");
-               }
-
-               void *link_ptr;
-               xbt_dynar_get_cpy (route->generic_route.link_list, 1, &link_ptr);
-               onelink_t onelink = xbt_new0 (s_onelink_t, 1);
-               onelink->src = xbt_strdup (k1);
-               onelink->dst = xbt_strdup (router);
-               onelink->link_ptr = link_ptr;
-               xbt_dynar_push (ret, &onelink);
-    }
-  }
-  return ret;
-}
-
-/* Business methods */
-static route_extended_t cluster_get_route(routing_component_t rc,
-                                            const char *src,
-                                            const char *dst)
-{
-         xbt_assert(rc && src
-                     && dst,
-                     "Invalid params for \"get_route\" function at AS \"%s\"",
-                     rc->name);
+                         if (info.link_up) {     // link up
 
+                                 char *link_name = ((surf_resource_t) info.link_up)->name;
+                                 current = new_xbt_graph_node(graph, link_name, nodes);
+                                 new_xbt_graph_edge(graph, previous, current, edges);
 
-         xbt_dynar_t links_list =
-             xbt_dynar_new(global_routing->size_of_link, NULL);
+                                 if (((as_cluster_t) rc)->backbone) {
+                                         new_xbt_graph_edge(graph, current, backboneNode, edges);
+                                 } else {
+                                         new_xbt_graph_edge(graph, current, routerNode, edges);
+                                 }
 
-         char *cluster_is_fd = xbt_dict_get_or_null(cluster_host_link,rc->name);
-         char *link_src,*link_bb,*link_dst,*link_src_up,*link_dst_down;
+                         }
 
-         if(!cluster_is_fd){ //        NOT FULLDUPLEX
-                 link_src = xbt_dict_get_or_null(cluster_host_link,src);
-                 if( !link_src && (global_routing->get_network_element_type(src) != SURF_NETWORK_ELEMENT_ROUTER) )
-                         xbt_die("No link for '%s' found!",src);
-                 if(link_src) xbt_dynar_push_as(links_list,void*,xbt_lib_get_or_null(link_lib, link_src, SURF_LINK_LEVEL)); //link_up
+                         if (info.link_down) {    // link down
+                                 char *link_name = ((surf_resource_t) info.link_down)->name;
+                                 current = new_xbt_graph_node(graph, link_name, nodes);
+                                 new_xbt_graph_edge(graph, previous, current, edges);
 
-                 link_bb = bprintf("%s_backbone",rc->name);
-                 xbt_dynar_push_as(links_list,void*,xbt_lib_get_or_null(link_lib, link_bb, SURF_LINK_LEVEL)); //link_bb
-                 free(link_bb);
+                                 if (((as_cluster_t) rc)->backbone) {
+                                         new_xbt_graph_edge(graph, current, backboneNode, edges);
+                                 } else {
+                                         new_xbt_graph_edge(graph, current, routerNode, edges);
+                                 }
 
-                 link_dst = xbt_dict_get_or_null(cluster_host_link,dst);
-                 if( !link_dst && (global_routing->get_network_element_type(dst) != SURF_NETWORK_ELEMENT_ROUTER) )
-                         xbt_die("No link for '%s' found!",dst);
-                 if(link_dst) xbt_dynar_push_as(links_list,void*,xbt_lib_get_or_null(link_lib, link_dst, SURF_LINK_LEVEL)); //link_down
-         }
-         else //       FULLDUPLEX
-         {
-                 link_src = xbt_dict_get_or_null(cluster_host_link,src);
-                 if( !link_src  && (global_routing->get_network_element_type(src) != SURF_NETWORK_ELEMENT_ROUTER) )
-                         xbt_die("No link for '%s' found!",src);
-                 link_src_up = bprintf("%s_UP",link_src);
-                 if(link_src) xbt_dynar_push_as(links_list,void*,xbt_lib_get_or_null(link_lib, link_src_up, SURF_LINK_LEVEL)); //link_up
-                 free(link_src_up);
-
-                 link_bb = bprintf("%s_backbone",rc->name);
-                 if(link_bb)  xbt_dynar_push_as(links_list,void*,xbt_lib_get_or_null(link_lib, link_bb, SURF_LINK_LEVEL)); //link_bb
-                 free(link_bb);
-
-                 link_dst = xbt_dict_get_or_null(cluster_host_link,dst);
-                 if(!link_dst  && (global_routing->get_network_element_type(dst) != SURF_NETWORK_ELEMENT_ROUTER))
-                         xbt_die("No link for '%s' found!",dst);
-                 link_dst_down = bprintf("%s_DOWN",link_dst);
-                 if(link_dst) xbt_dynar_push_as(links_list,void*,xbt_lib_get_or_null(link_lib, link_dst_down, SURF_LINK_LEVEL)); //link_down
-                 free(link_dst_down);
-         }
-
-         route_extended_t new_e_route = NULL;
-         new_e_route = xbt_new0(s_route_extended_t, 1);
-         new_e_route->generic_route.link_list = links_list;
+                         }
+                 }
+  }
 
-         return new_e_route;
-}
+/*
+                 if (((as_cluster_t) rc)->backbone) {
+                         char *link_name =
+                                         ((surf_resource_t) ((as_cluster_t) rc)->backbone)->name;
+
+                         current = new_xbt_graph_node(graph, link_name, nodes);
+                         new_xbt_graph_edge(graph, previous, current, edges);
+                         previous = current;
+
+                         revCurrent = new_xbt_graph_node(graph, link_name, nodes);
+                         new_xbt_graph_edge(graph, revCurrent, revPrevious, edges);
+                         revPrevious = revCurrent;
+                 } else {
+                         info = xbt_dynar_get_as(rc->link_up_down_list, dst->id,
+                                                                         s_surf_parsing_link_up_down_t);
+
+                         if (info.link_up) {     // link up
+                                 char *link_name = ((surf_resource_t) info.link_up)->name;
+                                 current = new_xbt_graph_node(graph, link_name, nodes);
+                                 new_xbt_graph_edge(graph, previous, current, edges);
+                                 previous = current;
+                         } else if (info.link_down) {    // link down
+                                 char *link_name = ((surf_resource_t) info.link_down)->name;
+                                 revCurrent = new_xbt_graph_node(graph, link_name, nodes);
+                                 new_xbt_graph_edge(graph, revCurrent, revPrevious, edges);
+                                 revPrevious = revCurrent;
+                         }
+                 }
 
-static route_extended_t cluster_get_bypass_route(routing_component_t rc,
-                                                   const char *src,
-                                                   const char *dst)
-{
-  return NULL;
-}
+         }
+  }*/
+/*
+  if(rc->)
+  for (isrc = 0; isrc < table_size; isrc++) {
+    src = xbt_dynar_get_as(rc->index_network_elm, isrc, sg_routing_edge_t);
+
+    previous = new_xbt_graph_node(graph, src->name, nodes);
+    revPrevious = new_xbt_graph_node(graph, src->name, nodes);
+
+    for (idst = isrc + 1; idst < table_size; idst++) {
+      dst = xbt_dynar_get_as(rc->index_network_elm, idst, sg_routing_edge_t);
+
+      s_surf_parsing_link_up_down_t info;
+
+      if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {        // No specific link for router
+        info =
+            xbt_dynar_get_as(rc->link_up_down_list, src->id,
+                             s_surf_parsing_link_up_down_t);
+
+        if (info.link_up) {     // link up
+          char *link_name = ((surf_resource_t) info.link_up)->name;
+          current = new_xbt_graph_node(graph, link_name, nodes);
+          new_xbt_graph_edge(graph, previous, current, edges);
+          previous = current;
+        } else if (info.link_down) {    // link down
+          char *link_name = ((surf_resource_t) info.link_down)->name;
+          revCurrent = new_xbt_graph_node(graph, link_name, nodes);
+          new_xbt_graph_edge(graph, revCurrent, revPrevious, edges);
+          revPrevious = revCurrent;
+        }
+      }
+
+
+
+      if (((as_cluster_t) rc)->backbone) {
+        char *link_name =
+            ((surf_resource_t) ((as_cluster_t) rc)->backbone)->name;
+
+        current = new_xbt_graph_node(graph, link_name, nodes);
+        new_xbt_graph_edge(graph, previous, current, edges);
+        previous = current;
+
+        revCurrent = new_xbt_graph_node(graph, link_name, nodes);
+        new_xbt_graph_edge(graph, revCurrent, revPrevious, edges);
+        revPrevious = revCurrent;
+      }
+
+      if (dst->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {        // No specific link for router
+        info =
+            xbt_dynar_get_as(rc->link_up_down_list, dst->id,
+                             s_surf_parsing_link_up_down_t);
+
+        if (info.link_up) {     // link up
+          char *link_name = ((surf_resource_t) info.link_up)->name;
+          current = new_xbt_graph_node(graph, link_name, nodes);
+          new_xbt_graph_edge(graph, previous, current, edges);
+          previous = current;
+        } else if (info.link_down) {    // link down
+          char *link_name = ((surf_resource_t) info.link_down)->name;
+          revCurrent = new_xbt_graph_node(graph, link_name, nodes);
+          new_xbt_graph_edge(graph, revCurrent, revPrevious, edges);
+          revPrevious = revCurrent;
+        }
+      }
 
-static void cluster_finalize(routing_component_t rc)
-{
-  routing_component_cluster_t routing =
-      (routing_component_cluster_t) rc;
-  if (routing) {
-    xbt_dict_free(&routing->dict_processing_units);
-    xbt_dict_free(&routing->dict_autonomous_systems);
-    /* Delete structure */
-    xbt_free(routing);
-  }
+    }
+  }*/
 }
 
-/* Creation routing model functions */
-void *model_cluster_create(void)
+static void model_cluster_finalize(AS_t as)
 {
-  routing_component_cluster_t new_component =
-      xbt_new0(s_routing_component_cluster_t, 1);
-  new_component->generic_routing.set_processing_unit =
-      model_cluster_set_processing_unit;
-  new_component->generic_routing.set_autonomous_system =
-      model_cluster_set_autonomous_system;
-  new_component->generic_routing.set_route = model_cluster_set_route;
-  new_component->generic_routing.set_ASroute = model_cluster_set_ASroute;
-  new_component->generic_routing.set_bypassroute = model_cluster_set_bypassroute;
-  new_component->generic_routing.get_onelink_routes = cluster_get_onelink_routes;
-  new_component->generic_routing.get_route = cluster_get_route;
-  new_component->generic_routing.get_latency = generic_get_link_latency;
-  new_component->generic_routing.get_bypass_route = cluster_get_bypass_route;
-  new_component->generic_routing.finalize = cluster_finalize;
-  new_component->generic_routing.get_network_element_type = get_network_element_type;
-  /* initialization of internal structures */
-  new_component->dict_processing_units = xbt_dict_new();
-  new_component->dict_autonomous_systems = xbt_dict_new();
-
-  return new_component;
+  model_none_finalize(as);
 }
 
-void model_cluster_load(void)
-{
-  /* use "surfxml_add_callback" to add a parse function call */
+static int cluster_parse_PU(AS_t rc, sg_routing_edge_t elm) {
+  XBT_DEBUG("Load process unit \"%s\"", elm->name);
+  xbt_dynar_push_as(rc->index_network_elm,sg_routing_edge_t,elm);
+  return xbt_dynar_length(rc->index_network_elm)-1;
 }
 
-void model_cluster_unload(void)
-{
-  /* use "surfxml_del_callback" to remove a parse function call */
+static int cluster_parse_AS(AS_t rc, sg_routing_edge_t elm) {
+  XBT_DEBUG("Load Autonomous system \"%s\"", elm->name);
+  xbt_dynar_push_as(rc->index_network_elm,sg_routing_edge_t,elm);
+  return xbt_dynar_length(rc->index_network_elm)-1;
 }
 
-void model_cluster_end(void)
+/* Creation routing model functions */
+AS_t model_cluster_create(void)
 {
+  AS_t result = model_none_create_sized(sizeof(s_as_cluster_t));
+  result->get_route_and_latency = cluster_get_route_and_latency;
+  result->finalize = model_cluster_finalize;
+  result->get_graph = cluster_get_graph;
+  result->parse_AS = cluster_parse_AS;
+  result->parse_PU = cluster_parse_PU;
+
+  return (AS_t) result;
 }