X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/640bc8d792c29169599712bf42d1b8cb873fe2fd..d531b19a0d1b2931ce8177bacd0124065c68476f:/src/surf/surf_routing_floyd.c diff --git a/src/surf/surf_routing_floyd.c b/src/surf/surf_routing_floyd.c index aaf100434d..0f08c52a98 100644 --- a/src/surf/surf_routing_floyd.c +++ b/src/surf/surf_routing_floyd.c @@ -7,7 +7,7 @@ #include "surf_routing_private.h" /* Global vars */ -extern routing_global_t global_routing; +extern routing_platf_t routing_platf; XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_floyd, surf, "Routing part of surf"); @@ -22,17 +22,17 @@ typedef struct { /* vars for calculate the floyd algorith. */ int *predecessor_table; double *cost_table; - route_t *link_table; + sg_platf_route_cbarg_t *link_table; } s_as_floyd_t, *as_floyd_t; static void floyd_get_route_and_latency(AS_t asg, sg_routing_edge_t src, sg_routing_edge_t dst, - route_t res, double *lat); + sg_platf_route_cbarg_t res, double *lat); /* Business methods */ static xbt_dynar_t floyd_get_onelink_routes(AS_t asg) { xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free); - route_t route = xbt_new0(s_route_t, 1); + 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); int src,dst; @@ -53,8 +53,8 @@ static xbt_dynar_t floyd_get_onelink_routes(AS_t asg) onelink->src = src_elm; onelink->dst = dst_elm; } else if (asg->hierarchy == SURF_ROUTING_RECURSIVE) { - onelink->src = route->src_gateway; - onelink->dst = route->dst_gateway; + onelink->src = route->gw_src; + onelink->dst = route->gw_dst; } xbt_dynar_push(ret, &onelink); } @@ -65,7 +65,7 @@ static xbt_dynar_t floyd_get_onelink_routes(AS_t asg) } static void floyd_get_route_and_latency(AS_t asg, sg_routing_edge_t src, sg_routing_edge_t dst, - route_t res, double *lat) + sg_platf_route_cbarg_t res, double *lat) { /* set utils vars */ @@ -73,76 +73,47 @@ static void floyd_get_route_and_latency(AS_t asg, sg_routing_edge_t src, sg_rout size_t table_size = xbt_dynar_length(asg->index_network_elm); generic_src_dst_check(asg, src, dst); - int *src_id = &(src->id); - int *dst_id = &(dst->id); - if (src_id == NULL || dst_id == NULL) - THROWF(arg_error,0,"No route from '%s' to '%s'", - src->name, - dst->name); /* create a result route */ + xbt_dynar_t route_stack = xbt_dynar_new(sizeof(sg_platf_route_cbarg_t), NULL); + int pred; + int cur = dst->id; + do { + pred = TO_FLOYD_PRED(src->id, cur); + if (pred == -1) + THROWF(arg_error, 0, "No route from '%s' to '%s'", src->name, dst->name); + xbt_dynar_push_as(route_stack, sg_platf_route_cbarg_t, TO_FLOYD_LINK(pred, cur)); + cur = pred; + } while (cur != src->id); - int first = 1; - int pred = *dst_id; - int prev_pred = 0; - sg_routing_edge_t gw_src, gw_dst, prev_gw_src, first_gw; - unsigned int cpt; - void *link; - xbt_dynar_t links; + if (asg->hierarchy == SURF_ROUTING_RECURSIVE) { + res->gw_src = xbt_dynar_getlast_as(route_stack, sg_platf_route_cbarg_t)->gw_src; + res->gw_dst = xbt_dynar_getfirst_as(route_stack, sg_platf_route_cbarg_t)->gw_dst; + } - do { - prev_pred = pred; - pred = TO_FLOYD_PRED(*src_id, pred); - if (pred == -1) /* if no pred in route -> no route to host */ - break; - xbt_assert(TO_FLOYD_LINK(pred, prev_pred), - "Invalid link for the route between \"%s\" or \"%s\"", - src->name, - dst->name); - - prev_gw_src = gw_src; - - route_t e_route = TO_FLOYD_LINK(pred, prev_pred); - gw_src = e_route->src_gateway; - gw_dst = e_route->dst_gateway; - - if (first) - first_gw = gw_dst; - - if (asg->hierarchy == SURF_ROUTING_RECURSIVE && !first - && strcmp(gw_dst->name, prev_gw_src->name)) { - xbt_dynar_t e_route_as_to_as; - e_route_as_to_as = xbt_dynar_new(sizeof(sg_routing_link_t), NULL); - routing_get_route_and_latency(gw_dst, prev_gw_src,&e_route_as_to_as,NULL); - links = e_route_as_to_as; - int pos = 0; - xbt_dynar_foreach(links, cpt, link) { - xbt_dynar_insert_at(res->link_list, pos, &link); - if (lat) - *lat += surf_network_model->extension.network.get_link_latency(link); - pos++; - } - xbt_dynar_free(&e_route_as_to_as); + sg_routing_edge_t prev_dst_gw = NULL; + while (!xbt_dynar_is_empty(route_stack)) { + sg_platf_route_cbarg_t e_route = xbt_dynar_pop_as(route_stack, sg_platf_route_cbarg_t); + xbt_dynar_t links; + sg_routing_link_t link; + unsigned int cpt; + + if (asg->hierarchy == SURF_ROUTING_RECURSIVE && prev_dst_gw != NULL + && strcmp(prev_dst_gw->name, e_route->gw_src->name)) { + routing_get_route_and_latency(prev_dst_gw, e_route->gw_src, + &res->link_list, lat); } links = e_route->link_list; xbt_dynar_foreach(links, cpt, link) { - xbt_dynar_unshift(res->link_list, &link); + xbt_dynar_push_as(res->link_list, sg_routing_link_t, link); if (lat) *lat += surf_network_model->extension.network.get_link_latency(link); } - first = 0; - - } while (pred != *src_id); - if (pred == -1) - THROWF(arg_error,0,"No route from '%s' to '%s'", - src->name, - dst->name); - if (asg->hierarchy == SURF_ROUTING_RECURSIVE) { - res->src_gateway = gw_src; - res->dst_gateway = first_gw; + prev_dst_gw = e_route->gw_dst; } + xbt_dynar_free(&route_stack); } static void floyd_finalize(AS_t rc) @@ -175,6 +146,7 @@ AS_t model_floyd_create(void) new_component->generic_routing.get_route_and_latency = floyd_get_route_and_latency; new_component->generic_routing.get_onelink_routes = floyd_get_onelink_routes; + new_component->generic_routing.get_graph = generic_get_graph; new_component->generic_routing.finalize = floyd_finalize; return (AS_t)new_component; } @@ -195,7 +167,7 @@ void model_floyd_end(AS_t current_routing) /* Create Cost, Predecessor and Link tables */ as->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */ as->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */ - as->link_table = xbt_new0(route_t, table_size * table_size); /* actual link between src and dst */ + as->link_table = xbt_new0(sg_platf_route_cbarg_t, table_size * table_size); /* actual link between src and dst */ /* Initialize costs and predecessors */ for (i = 0; i < table_size; i++) @@ -207,15 +179,15 @@ void model_floyd_end(AS_t current_routing) } /* Add the loopback if needed */ - if (global_routing->loopback && current_routing->hierarchy == SURF_ROUTING_BASE) { + if (routing_platf->loopback && current_routing->hierarchy == SURF_ROUTING_BASE) { for (i = 0; i < table_size; i++) { - route_t e_route = TO_FLOYD_LINK(i, i); + sg_platf_route_cbarg_t e_route = TO_FLOYD_LINK(i, i); if (!e_route) { - e_route = xbt_new0(s_route_t, 1); - e_route->src_gateway = NULL; - e_route->dst_gateway = NULL; + e_route = xbt_new0(s_sg_platf_route_cbarg_t, 1); + e_route->gw_src = NULL; + e_route->gw_dst = NULL; e_route->link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL); - xbt_dynar_push(e_route->link_list, &global_routing->loopback); + xbt_dynar_push(e_route->link_list, &routing_platf->loopback); TO_FLOYD_LINK(i, i) = e_route; TO_FLOYD_PRED(i, i) = i; TO_FLOYD_COST(i, i) = 1; @@ -246,9 +218,11 @@ static int floyd_pointer_resource_cmp(const void *a, const void *b) { //FIXME: kill dupplicates in next function with full routing -void model_floyd_parse_route(AS_t rc, const char *src, - const char *dst, route_t route) +void model_floyd_parse_route(AS_t rc, sg_platf_route_cbarg_t route) { + char *src = (char*)(route->src); + char *dst = (char*)(route->dst); + int as_route = 0; as_floyd_t as = (as_floyd_t) rc; @@ -256,12 +230,8 @@ void model_floyd_parse_route(AS_t rc, const char *src, size_t table_size = xbt_dynar_length(rc->index_network_elm); sg_routing_edge_t src_net_elm, dst_net_elm; - src_net_elm = xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL); - dst_net_elm = xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL); - if (!src_net_elm) - src_net_elm = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL); - if (!dst_net_elm) - dst_net_elm = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL); + src_net_elm = sg_routing_edge_by_name_or_null(src); + dst_net_elm = sg_routing_edge_by_name_or_null(dst); xbt_assert(src_net_elm, "Network elements %s not found", src); xbt_assert(dst_net_elm, "Network elements %s not found", dst); @@ -272,7 +242,7 @@ void model_floyd_parse_route(AS_t rc, const char *src, /* Create Cost, Predecessor and Link tables */ as->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */ as->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */ - as->link_table = xbt_new0(route_t, table_size * table_size); /* actual link between src and dst */ + as->link_table = xbt_new0(sg_platf_route_cbarg_t, table_size * table_size); /* actual link between src and dst */ /* Initialize costs and predecessors */ for (i = 0; i < table_size; i++) @@ -282,16 +252,16 @@ void model_floyd_parse_route(AS_t rc, const char *src, TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */ } } - if(!route->dst_gateway && !route->src_gateway) + if(!route->gw_dst && !route->gw_src) XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst); else{ as_route = 1; XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src, - route->src_gateway->name, dst, route->dst_gateway->name); - if(route->dst_gateway->rc_type == SURF_NETWORK_ELEMENT_NULL) - xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway->name); - if(route->src_gateway->rc_type == SURF_NETWORK_ELEMENT_NULL) - xbt_die("The src_gateway '%s' does not exist!",route->src_gateway->name); + route->gw_src->name, dst, route->gw_dst->name); + if(route->gw_dst->rc_type == SURF_NETWORK_ELEMENT_NULL) + xbt_die("The dst_gateway '%s' does not exist!",route->gw_dst->name); + if(route->gw_src->rc_type == SURF_NETWORK_ELEMENT_NULL) + xbt_die("The src_gateway '%s' does not exist!",route->gw_src->name); } if(TO_FLOYD_LINK(src_net_elm->id, dst_net_elm->id)) @@ -321,17 +291,17 @@ void model_floyd_parse_route(AS_t rc, const char *src, ((TO_FLOYD_LINK(src_net_elm->id, dst_net_elm->id))->link_list)->used; /* count of links, old model assume 1 */ } - if ( (A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES && as_route == 0) - || (A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES && as_route == 1) + if ( (route->symmetrical == TRUE && as_route == 0) + || (route->symmetrical == TRUE && as_route == 1) ) { if(TO_FLOYD_LINK(dst_net_elm->id, src_net_elm->id)) { - if(!route->dst_gateway && !route->src_gateway) + if(!route->gw_dst && !route->gw_src) XBT_DEBUG("See Route from \"%s\" to \"%s\"", dst, src); else XBT_DEBUG("See ASroute from \"%s(%s)\" to \"%s(%s)\"", dst, - route->src_gateway->name, src, route->dst_gateway->name); + route->gw_src->name, src, route->gw_dst->name); char * link_name; unsigned int i; xbt_dynar_t link_route_to_test = xbt_dynar_new(sizeof(sg_routing_link_t), NULL); @@ -350,19 +320,19 @@ void model_floyd_parse_route(AS_t rc, const char *src, } else { - if(route->dst_gateway && route->src_gateway) + if(route->gw_dst && route->gw_src) { - sg_routing_edge_t gw_src = route->src_gateway; - sg_routing_edge_t gw_dst = route->dst_gateway; - route->src_gateway = gw_dst; - route->dst_gateway = gw_src; + sg_routing_edge_t gw_src = route->gw_src; + sg_routing_edge_t gw_dst = route->gw_dst; + route->gw_src = gw_dst; + route->gw_dst = gw_src; } - if(!route->dst_gateway && !route->src_gateway) + if(!route->gw_src && !route->gw_dst) XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src); else XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst, - route->src_gateway->name, src, route->dst_gateway->name); + route->gw_src->name, src, route->gw_dst->name); TO_FLOYD_LINK(dst_net_elm->id, src_net_elm->id) = generic_new_extended_route(rc->hierarchy, route, 0); @@ -371,4 +341,5 @@ void model_floyd_parse_route(AS_t rc, const char *src, ((TO_FLOYD_LINK(dst_net_elm->id, src_net_elm->id))->link_list)->used; /* count of links, old model assume 1 */ } } + xbt_dynar_free(&route->link_list); }