#include "surf_routing_private.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)
-{
- 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);
-}
-
-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");
-}
-
-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");
-}
-
-static void model_cluster_set_ASroute(routing_component_t rc,
- const char *src, const char *dst,
- name_route_extended_t route)
-{
- 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 */
-
-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);
-
- //We have already bypass cluster routes with network NS3
- if(!strcmp(surf_network_model->name,"network NS3"))
- return ret;
-
- routing_component_cluster_t routing = (routing_component_cluster_t)rc;
-
- xbt_dict_cursor_t c1 = NULL;
- char *k1, *d1;
-
- //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;
+/* 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) {
+
+ 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);
+ }
}
- }
-
- if (!router){
- xbt_die ("cluster_get_onelink_routes works only if the AS is a cluster, sorry.");
- }
- xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
- route_extended_t route = cluster_get_route (rc, router, k1);
-
- int number_of_links = xbt_dynar_length(route->generic_route.link_list);
-
- if(number_of_links == 1) {
- //loopback
+ 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);
}
- 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);
+ 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);
+ }
}
- }
- 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);
-
-
- xbt_dynar_t links_list =
- xbt_dynar_new(global_routing->size_of_link, NULL);
-
- 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
-
- 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);
-
- 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;
+static void model_cluster_finalize(AS_t as) {
+ model_none_finalize(as);
}
-static route_extended_t cluster_get_bypass_route(routing_component_t rc,
- const char *src,
- const char *dst)
-{
- return NULL;
+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;
}
-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);
- }
+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;
}
/* Creation routing model functions */
-void *model_cluster_create(void)
-{
- 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;
-}
-
-void model_cluster_load(void)
-{
- /* use "surfxml_add_callback" to add a parse function call */
-}
-
-void model_cluster_unload(void)
+AS_t model_cluster_create(void)
{
- /* use "surfxml_del_callback" to remove a parse function call */
-}
+ 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->parse_AS = cluster_parse_AS;
+ result->parse_PU = cluster_parse_PU;
-void model_cluster_end(void)
-{
+ return (AS_t) result;
}
