/* 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;
+/* 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)
+{
-/* Parse routing model functions */
+ s_surf_parsing_link_up_down_t info;
+ XBT_VERB("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((src->id == dst->id) && info.loopback_link ){
+ xbt_dynar_push_as(route->link_list, void *, info.loopback_link);
+ if (lat)
+ *lat +=
+ surf_network_model->extension.network.get_link_latency(info.
+ loopback_link);
+ return;
+ }
+
+
+ if (info.limiter_link) // limiter for sender
+ xbt_dynar_push_as(route->link_list, void *, info.limiter_link);
+
+ 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_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);
-}
+ 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_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);
+ 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);
+ }
+
+ if (info.limiter_link) // limiter for receiver
+ xbt_dynar_push_as(route->link_list, void *, info.limiter_link);
+
+ }
}
-static void model_cluster_set_bypassroute(routing_component_t rc,
- const char *src,
- const char *dst,
- route_extended_t e_route)
+static void cluster_get_graph(xbt_graph_t graph, xbt_dict_t nodes,
+ xbt_dict_t edges, AS_t rc)
{
- xbt_die("bypass routing not supported for Route-Based model");
-}
+ int isrc;
+ int table_size = xbt_dynar_length(rc->index_network_elm);
-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");
-}
+ sg_routing_edge_t src;
+ xbt_node_t current, previous, backboneNode = NULL, routerNode;
+ s_surf_parsing_link_up_down_t info;
-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");
-}
+ xbt_assert(((as_cluster_t) rc)->router,"Malformed cluster");
-#define BUFFER_SIZE 4096 /* result buffer size */
-#define OVECCOUNT 30 /* should be a multiple of 3 */
+ /* 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);
-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);
+ 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);
- //We have already bypass cluster routes with network NS3
- if(!strcmp(surf_network_model->name,"network NS3"))
- return ret;
+ new_xbt_graph_edge(graph, routerNode, backboneNode, edges);
+ }
- routing_component_cluster_t routing = (routing_component_cluster_t)rc;
+ for (isrc = 0; isrc < table_size; isrc++) {
+ src = xbt_dynar_get_as(rc->index_network_elm, isrc, sg_routing_edge_t);
- xbt_dict_cursor_t c1 = NULL;
- char *k1, *d1;
+ if (src->rc_type != SURF_NETWORK_ELEMENT_ROUTER) {
+ previous = new_xbt_graph_node(graph, src->name, 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;
- }
- }
+ info = xbt_dynar_get_as(rc->link_up_down_list, src->id,
+ s_surf_parsing_link_up_down_t);
- if (!router){
- xbt_die ("cluster_get_onelink_routes works only if the AS is a cluster, sorry.");
- }
+ if (info.link_up) { // link up
- xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
- route_extended_t route = cluster_get_route (rc, router, k1);
+ 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);
- int number_of_links = xbt_dynar_length(route->generic_route.link_list);
+ if (((as_cluster_t) rc)->backbone) {
+ new_xbt_graph_edge(graph, current, backboneNode, edges);
+ } else {
+ new_xbt_graph_edge(graph, current, routerNode, edges);
+ }
- 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);
-
-
- 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;
-}
+ 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);
-static route_extended_t cluster_get_bypass_route(routing_component_t rc,
- const char *src,
- const char *dst)
-{
- return NULL;
-}
+ if (((as_cluster_t) rc)->backbone) {
+ new_xbt_graph_edge(graph, current, backboneNode, edges);
+ } else {
+ new_xbt_graph_edge(graph, current, routerNode, edges);
+ }
+ }
+ }
-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;
}