X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8242c15e6ed5ad8dbac88634aa8db39a93de3bfa..80f4255f4efe689fb70fa5da4cf28e5fbc72d865:/src/surf/surf_routing.c diff --git a/src/surf/surf_routing.c b/src/surf/surf_routing.c index aa58b3bac0..e55fd87684 100644 --- a/src/surf/surf_routing.c +++ b/src/surf/surf_routing.c @@ -1,4 +1,5 @@ -/* Copyright (c) 2009 The SimGrid team. All rights reserved. */ +/* Copyright (c) 2009, 2010. The SimGrid Team. + * All rights reserved. */ /* 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. */ @@ -14,6 +15,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf"); routing_t used_routing = NULL; +xbt_dict_t onelink_routes = NULL; /* Prototypes of each model */ static void routing_model_full_create(size_t size_of_link,void *loopback); @@ -65,8 +67,18 @@ typedef struct { #define ROUTE_FULL(i,j) ((routing_full_t)used_routing)->routing_table[(i)+(j)*(used_routing)->host_count] #define HOST2ROUTER(id) ((id)+(2<<29)) -#define ROUTER2HOST(id) ((id)-(2>>29)) -#define ROUTER(id) ((id)>=(2<<29)) +#define ROUTER2HOST(id) ((id)-(2<<29)) +#define ISROUTER(id) ((id)>=(2<<29)) + +/* + * Free the onelink routes + */ +static void onelink_route_elem_free(void *e) { + s_onelink_t tmp = (s_onelink_t)e; + if(tmp) { + free(tmp); + } +} /* * Parsing @@ -76,6 +88,9 @@ static void routing_full_parse_Shost(void) { DEBUG2("Seen host %s (#%d)",A_surfxml_host_id,used_routing->host_count); *val = used_routing->host_count++; xbt_dict_set(used_routing->host_id,A_surfxml_host_id,val,xbt_free); +#ifdef HAVE_TRACING + TRACE_surf_host_define_id (A_surfxml_host_id, *val); +#endif } static void routing_full_parse_Srouter(void) { @@ -84,6 +99,10 @@ static void routing_full_parse_Srouter(void) { HOST2ROUTER(used_routing->router_count)); *val = HOST2ROUTER(used_routing->router_count++); xbt_dict_set(used_routing->host_id,A_surfxml_router_id,val,xbt_free); +#ifdef HAVE_TRACING + TRACE_surf_host_define_id (A_surfxml_router_id, *val); + TRACE_surf_host_declaration (A_surfxml_router_id, 0); +#endif } static int src_id = -1; @@ -153,10 +172,14 @@ static void routing_full_parse_Scluster(void) char *cluster_bb_bw = A_surfxml_cluster_bb_bw; char *cluster_bb_lat = A_surfxml_cluster_bb_lat; char *backbone_name; - + unsigned int it1,it2; + char *name1,*name2; + xbt_dynar_t names = NULL; surfxml_bufferstack_push(1); - /* Make set */ + /* Make set a set to parse the prefix/suffix/radical into a neat list of names */ + DEBUG4("Make ", + cluster_id,cluster_prefix,cluster_suffix,cluster_radical); SURFXML_BUFFER_SET(set_id, cluster_id); SURFXML_BUFFER_SET(set_prefix, cluster_prefix); SURFXML_BUFFER_SET(set_suffix, cluster_suffix); @@ -165,27 +188,24 @@ static void routing_full_parse_Scluster(void) SURFXML_START_TAG(set); SURFXML_END_TAG(set); - /* Make foreach */ - SURFXML_BUFFER_SET(foreach_set_id, cluster_id); + names = xbt_dict_get(set_list,cluster_id); - SURFXML_START_TAG(foreach); + xbt_dynar_foreach(names,it1,name1) { + /* create the host */ + routing_full_parse_change_cpu_data(name1, cluster_power, "1.0", "", ""); + A_surfxml_host_state = A_surfxml_host_state_ON; - /* Make host for the foreach */ - routing_full_parse_change_cpu_data("$1", cluster_power, "1.0", "", ""); - A_surfxml_host_state = A_surfxml_host_state_ON; - - SURFXML_START_TAG(host); - SURFXML_END_TAG(host); + SURFXML_START_TAG(host); + SURFXML_END_TAG(host); - /* Make link for the foreach */ - routing_full_parse_change_link_data("$1", cluster_bw, "", cluster_lat, "", ""); - A_surfxml_link_state = A_surfxml_link_state_ON; - A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED; + /* Here comes the link */ + routing_full_parse_change_link_data(name1, cluster_bw, "", cluster_lat, "", ""); + A_surfxml_link_state = A_surfxml_link_state_ON; + A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED; - SURFXML_START_TAG(link); - SURFXML_END_TAG(link); - - SURFXML_END_TAG(foreach); + SURFXML_START_TAG(link); + SURFXML_END_TAG(link); + } /* Make backbone link */ backbone_name = bprintf("%s_bb", cluster_id); @@ -197,11 +217,53 @@ static void routing_full_parse_Scluster(void) SURFXML_START_TAG(link); SURFXML_END_TAG(link); + /* And now the internal routes */ + xbt_dynar_foreach(names,it1,name1) { + xbt_dynar_foreach(names,it2,name2) { + if (strcmp(name1,name2)) { + A_surfxml_route_action = A_surfxml_route_action_POSTPEND; + SURFXML_BUFFER_SET(route_src,name1); + SURFXML_BUFFER_SET(route_dst,name2); + SURFXML_START_TAG(route); { + /* FIXME: name1 link is added by error about 20 lines below, so don't add it here + SURFXML_BUFFER_SET(link_c_ctn_id, name1); + SURFXML_START_TAG(link_c_ctn); + SURFXML_END_TAG(link_c_ctn); + */ + SURFXML_BUFFER_SET(link_c_ctn_id, backbone_name); + SURFXML_START_TAG(link_c_ctn); + SURFXML_END_TAG(link_c_ctn); + + SURFXML_BUFFER_SET(link_c_ctn_id, name2); + SURFXML_START_TAG(link_c_ctn); + SURFXML_END_TAG(link_c_ctn); + + } SURFXML_END_TAG(route); + } + } + } + /* Make route multi with the outside world, i.e. cluster->$* */ + + /* FIXME + * This also adds an elements to the routes within the cluster, + * and I guess it's wrong, but since this element is commented out in the above + * code creating the internal routes, we're good. + * To fix it, I'd say that we need a way to understand "$*-${cluster_id}" as "whole world, but the guys in that cluster" + * But for that, we need to install a real expression parser for src/dst attributes + * + * FIXME + * This also adds a dumb element (the private link) in place of the loopback. Then, since + * the loopback is added only if no link to self already exist, this fails. + * That's really dumb. + * + * FIXME + * It seems to me that it does not add the backbone to the path to outside world... + */ SURFXML_BUFFER_SET(route_c_multi_src, cluster_id); SURFXML_BUFFER_SET(route_c_multi_dst, "$*"); A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO; - A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_OVERRIDE; + A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_PREPEND; SURFXML_START_TAG(route_c_multi); @@ -212,21 +274,6 @@ static void routing_full_parse_Scluster(void) SURFXML_END_TAG(route_c_multi); - /* Make route multi between cluster hosts, i.e. cluster->cluster */ - SURFXML_BUFFER_SET(route_c_multi_src, cluster_id); - SURFXML_BUFFER_SET(route_c_multi_dst, cluster_id); - A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_POSTPEND; - A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO; - - SURFXML_START_TAG(route_c_multi); - - SURFXML_BUFFER_SET(link_c_ctn_id, backbone_name); - - SURFXML_START_TAG(link_c_ctn); - SURFXML_END_TAG(link_c_ctn); - - SURFXML_END_TAG(route_c_multi); - free(backbone_name); /* Restore buff */ @@ -263,7 +310,20 @@ static void routing_full_parse_end(void) { dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16); xbt_dynar_free(&keys); - if(ROUTER(src_id) || ROUTER(dst_id)) { + if(xbt_dynar_length(links) == 1){ + s_onelink_t new_link = (s_onelink_t) xbt_malloc0(sizeof(s_onelink)); + new_link->src_id = src_id; + new_link->dst_id = dst_id; + link_name = xbt_dynar_getfirst_as(links, char*); + new_link->link_ptr = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); + DEBUG3("Adding onelink route from (#%d) to (#%d), link_name %s",src_id, dst_id, link_name); + xbt_dict_set(onelink_routes, link_name, (void *)new_link, onelink_route_elem_free); +#ifdef HAVE_TRACING + TRACE_surf_link_save_endpoints (link_name, src_id, dst_id); +#endif + } + + if(ISROUTER(src_id) || ISROUTER(dst_id)) { DEBUG2("There is route with a router here: (%d ,%d)",src_id,dst_id); /* Check there is only one link in the route and store the information */ continue; @@ -295,9 +355,18 @@ static void routing_full_parse_end(void) { * Business methods */ static xbt_dynar_t routing_full_get_route(int src,int dst) { + xbt_assert0(!(ISROUTER(src) || ISROUTER(dst)), "Ask for route \"from\" or \"to\" a router node"); return ROUTE_FULL(src,dst); } +static xbt_dict_t routing_full_get_onelink_routes(void){ + return onelink_routes; +} + +static int routing_full_is_router(int id){ + return ISROUTER(id); +} + static void routing_full_finalize(void) { routing_full_t routing = (routing_full_t)used_routing; int i,j; @@ -308,6 +377,7 @@ static void routing_full_finalize(void) { xbt_dynar_free(&ROUTE_FULL(i, j)); free(routing->routing_table); xbt_dict_free(&used_routing->host_id); + xbt_dict_free(&onelink_routes); free(routing); routing=NULL; } @@ -319,13 +389,19 @@ static void routing_model_full_create(size_t size_of_link,void *loopback) { routing->generic_routing.name = "Full"; routing->generic_routing.host_count = 0; routing->generic_routing.get_route = routing_full_get_route; + routing->generic_routing.get_onelink_routes = routing_full_get_onelink_routes; + routing->generic_routing.is_router = routing_full_is_router; routing->generic_routing.finalize = routing_full_finalize; + routing->size_of_link = size_of_link; routing->loopback = loopback; /* Set it in position */ used_routing = (routing_t) routing; + /* Set the dict for onehop routes */ + onelink_routes = xbt_dict_new(); + /* Setup the parsing callbacks we need */ routing->generic_routing.host_id = xbt_dict_new(); surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); @@ -420,8 +496,10 @@ static void routing_floyd_parse_end(void) { xbt_dynar_t links, keys; unsigned int i,j; - + unsigned int a,b,c; int host_count = routing->generic_routing.host_count; + char * link_name = NULL; + void * link = NULL; /* Create Cost, Predecessor and Link tables */ cost_table = xbt_new0(double, host_count * host_count); //link cost from host to host @@ -451,8 +529,9 @@ static void routing_floyd_parse_end(void) { src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links)); xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id); - char * link_name = xbt_dynar_getfirst_as(links, char*); - void * link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); + link_name = xbt_dynar_getfirst_as(links, char*); + link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); + if (link) link_list = link; else @@ -477,7 +556,7 @@ static void routing_floyd_parse_end(void) { //Calculate path costs - unsigned int a,b,c; + for(c=0;cgeneric_routing.host_count = 0; routing->generic_routing.host_id = xbt_dict_new(); routing->generic_routing.get_route = routing_floyd_get_route; + routing->generic_routing.get_onelink_routes = routing_floyd_get_onelink_routes; + routing->generic_routing.is_router = routing_floyd_is_router; routing->generic_routing.finalize = routing_floyd_finalize; routing->size_of_link = size_of_link; routing->loopback = loopback; @@ -612,14 +701,17 @@ static void graph_node_map_elem_free(void *e) { * Utility functions */ static xbt_node_t route_graph_new_node(int id, int graph_id) { + xbt_node_t node = NULL; + graph_node_data_t data = NULL; + graph_node_map_element_t elm = NULL; routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; - graph_node_data_t data = xbt_new0(struct graph_node_data, sizeof(struct graph_node_data)); + data = xbt_new0(struct graph_node_data, sizeof(struct graph_node_data)); data->id = id; data->graph_id = graph_id; - xbt_node_t node = xbt_graph_new_node(routing->route_graph, data); + node = xbt_graph_new_node(routing->route_graph, data); - graph_node_map_element_t elm = xbt_new0(struct graph_node_map_element, sizeof(struct graph_node_map_element)); + elm = xbt_new0(struct graph_node_map_element, sizeof(struct graph_node_map_element)); elm->node = node; xbt_dict_set_ext(routing->graph_node_map, (char*)(&id), sizeof(int), (xbt_set_elm_t)elm, &graph_node_map_elem_free); @@ -703,7 +795,11 @@ static void routing_dijkstra_parse_end(void) { char *key, *data, *end; const char *sep = "#"; xbt_dynar_t links, keys; - + char* link_name = NULL; + void* link = NULL; + xbt_node_t node = NULL; + unsigned int cursor2; + xbt_dynar_t nodes = NULL; /* Create the topology graph */ routing->route_graph = xbt_graph_new_graph(1, NULL); routing->graph_node_map = xbt_dict_new(); @@ -727,8 +823,8 @@ static void routing_dijkstra_parse_end(void) { xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id); - char* link_name = xbt_dynar_getfirst_as(links, char*); - void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); + link_name = xbt_dynar_getfirst_as(links, char*); + link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); if (link) route_new_dijkstra(src_id,dst_id,link); else @@ -740,10 +836,8 @@ static void routing_dijkstra_parse_end(void) { add_loopback_dijkstra(); /* initialize graph indexes in nodes after graph has been built */ - xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph); + nodes = xbt_graph_get_nodes(routing->route_graph); - xbt_node_t node = NULL; - unsigned int cursor2; xbt_dynar_foreach(nodes, cursor2, node) { graph_node_data_t data = xbt_graph_node_get_data(node); data->graph_id = cursor2; @@ -758,17 +852,22 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; int * pred_arr = NULL; - + int src_node_id = 0; + int dst_node_id = 0; + int * nodeid = NULL; + int v; + int size = 0; + void * link = NULL; + route_cache_element_t elm = NULL; xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph); /*Use the graph_node id mapping set to quickly find the nodes */ graph_node_map_element_t src_elm = graph_node_map_search(src_id); graph_node_map_element_t dst_elm = graph_node_map_search(dst_id); xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", src_id, dst_id); - int src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id; - int dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id; + src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id; + dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id; - route_cache_element_t elm = NULL; if(routing->cached) { /*check if there is a cached predecessor list avail */ elm = (route_cache_element_t)xbt_dict_get_or_null_ext(routing->route_cache, (char*)(&src_id), sizeof(int)); @@ -797,7 +896,7 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { pred_arr[i] = 0; //initialize priority queue - int * nodeid = xbt_new0(int, 1); + nodeid = xbt_new0(int, 1); *nodeid = i; xbt_heap_push(pqueue, nodeid, cost_arr[i]); @@ -820,7 +919,7 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { if(cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) { pred_arr[u_id] = *v_id; cost_arr[u_id] = cost_v_u + cost_arr[*v_id]; - int * nodeid = xbt_new0(int, 1); + nodeid = xbt_new0(int, 1); *nodeid = u_id; xbt_heap_push(pqueue, nodeid, cost_arr[u_id]); } @@ -838,8 +937,6 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { //compose route path with links xbt_dynar_reset(routing->last_route); - int v; - int size = 0; for(v = dst_node_id; v != src_node_id; v = pred_arr[v]) { xbt_node_t node_pred_v = xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t); xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t); @@ -847,7 +944,7 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { xbt_assert2(edge != NULL, "no route between host %d and %d", src_id, dst_id); - void * link = xbt_graph_edge_get_data(edge); + link = xbt_graph_edge_get_data(edge); xbt_dynar_unshift(routing->last_route, &link); size++; } @@ -883,6 +980,14 @@ static void routing_dijkstra_finalize(void) { } } +static xbt_dict_t routing_dijkstraboth_get_onelink_routes(void){ + xbt_assert0(0,"The get_onelink_routes feature is not supported in routing model dijkstraboth"); +} + +static int routing_dijkstraboth_is_router(int id){ + xbt_assert0(0,"The get_is_router feature is not supported in routing model dijkstraboth"); +} + /* * */ @@ -892,6 +997,8 @@ static void routing_model_dijkstraboth_create(size_t size_of_link,void *loopback routing->generic_routing.name = "Dijkstra"; routing->generic_routing.host_count = 0; routing->generic_routing.get_route = routing_dijkstra_get_route; + routing->generic_routing.get_onelink_routes = routing_dijkstraboth_get_onelink_routes; + routing->generic_routing.is_router = routing_dijkstraboth_is_router; routing->generic_routing.finalize = routing_dijkstra_finalize; routing->size_of_link = size_of_link; routing->loopback = loopback; @@ -921,6 +1028,7 @@ static void routing_model_dijkstracache_create(size_t size_of_link,void *loopbac /* ************************************************** */ /* ********** NO ROUTING **************************** */ + static void routing_none_finalize(void) { if (used_routing) { xbt_dict_free(&used_routing->host_id); @@ -931,13 +1039,57 @@ static void routing_none_finalize(void) { static void routing_model_none_create(size_t size_of_link,void *loopback) { routing_t routing = xbt_new0(s_routing_t,1); - INFO0("Null routing"); routing->name = "none"; routing->host_count = 0; routing->host_id = xbt_dict_new(); + routing->get_onelink_routes = NULL; + routing->is_router = NULL; routing->get_route = NULL; + routing->finalize = routing_none_finalize; /* Set it in position */ used_routing = (routing_t) routing; } + +/*****************************************************************/ +/******************* BYBASS THE PARSER ***************************/ + +/* + * FIXME : better to add to the routing model instead !! + * + */ +void routing_add_route(char *source_id,char *destination_id,xbt_dynar_t links_id,int action) +{ + char * link_id; + char * name; + unsigned int i; + src_id = *(int*)xbt_dict_get(used_routing->host_id,source_id); + dst_id = *(int*)xbt_dict_get(used_routing->host_id,destination_id); + DEBUG4("Route %s %d -> %s %d",source_id,src_id,destination_id,dst_id); + //set Links + xbt_dynar_foreach(links_id,i,link_id) + { + surf_add_route_element(link_id); + } + route_action = action; + if (src_id != -1 && dst_id != -1) { + name = bprintf("%x#%x", src_id, dst_id); + manage_route(route_table, name, route_action, 0); + free(name); + } + +} + +void routing_add_host(char* host_id) +{ + int *val = xbt_malloc(sizeof(int)); + DEBUG2("Seen host %s (#%d)",host_id,used_routing->host_count); + *val = used_routing->host_count++; + xbt_dict_set(used_routing->host_id,host_id,val,xbt_free); +} + +void routing_set_routes() +{ + routing_full_parse_end(); +}