X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/121bcb730f522d783d0483ec37f0de6410f2498a..7fdb9c9ac44fba9f76a3b45d032561995bec2e0d:/src/surf/surf_routing.c diff --git a/src/surf/surf_routing.c b/src/surf/surf_routing.c index 0db7e19af7..af94958d67 100644 --- a/src/surf/surf_routing.c +++ b/src/surf/surf_routing.c @@ -12,16 +12,25 @@ #include "surf/surf_routing.h" #include "surf/surfxml_parse_values.h" +/** + * @ingroup SURF_build_api + * @brief A library containing all known workstations + */ xbt_lib_t host_lib; + int ROUTING_HOST_LEVEL; //Routing level int SURF_CPU_LEVEL; //Surf cpu level int SURF_WKS_LEVEL; //Surf workstation level int SIMIX_HOST_LEVEL; //Simix level int MSG_HOST_LEVEL; //Msg level int SD_HOST_LEVEL; //Simdag level -int COORD_HOST_LEVEL; //Coordinates level +int COORD_HOST_LEVEL=0; //Coordinates level int NS3_HOST_LEVEL; //host node for ns3 +/** + * @ingroup SURF_build_api + * @brief A library containing all known links + */ xbt_lib_t link_lib; int SD_LINK_LEVEL; //Simdag level int SURF_LINK_LEVEL; //Surf level @@ -34,12 +43,24 @@ int NS3_ASR_LEVEL; //host node for ns3 static xbt_dict_t random_value = NULL; +/** @brief Retrieve a routing edge from its name + * + * Routing edges are either CPU/workstation and routers, whatever + */ +sg_routing_edge_t sg_routing_edge_by_name_or_null(const char *name) { + sg_routing_edge_t net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL); + if(!net_elm) net_elm = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL); + return net_elm; +} + /* Global vars */ -routing_global_t global_routing = NULL; +routing_platf_t routing_platf = NULL; AS_t current_routing = NULL; /* global parse functions */ -xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */ +xbt_dynar_t parsed_link_list = NULL; /* temporary store of current list link of a route */ +extern xbt_dynar_t mount_list; + static const char *src = NULL; /* temporary store the source name of a route */ static const char *dst = NULL; /* temporary store the destination name of a route */ static char *gw_src = NULL; /* temporary store the gateway source name of a route */ @@ -50,7 +71,6 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf"); static void routing_parse_peer(sg_platf_peer_cbarg_t peer); /* peer bypass */ static void routing_parse_Srandom(void); /* random bypass */ -static char *replace_random_parameter(char *chaine); static void routing_parse_postparse(void); /* this lines are only for replace use like index in the model table */ @@ -78,7 +98,7 @@ struct s_model_type routing_models[] = { {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)", model_dijkstracache_create, model_dijkstra_both_end}, - {"none", "No routing (usable with Constant network only)", + {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).", model_none_create, NULL}, {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create, NULL}, @@ -94,24 +114,42 @@ struct s_model_type routing_models[] = { */ static void parse_S_host(sg_platf_host_cbarg_t host) { - network_element_info_t info = NULL; + sg_routing_edge_t info = NULL; if (current_routing->hierarchy == SURF_ROUTING_NULL) current_routing->hierarchy = SURF_ROUTING_BASE; xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL), "Reading a host, processing unit \"%s\" already exists", host->id); - (*(current_routing->parse_PU)) (current_routing, host->id); - info = xbt_new0(s_network_element_info_t, 1); + info = xbt_new0(s_network_element_t, 1); info->rc_component = current_routing; info->rc_type = SURF_NETWORK_ELEMENT_HOST; + info->name = xbt_strdup(host->id); + info->id = current_routing->parse_PU(current_routing, (void *) info); xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info); + XBT_DEBUG("Having set name '%s' id '%d'",host->id,info->id); + + if(mount_list){ + xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list); + mount_list = NULL; + } + if (host->coord && strcmp(host->coord, "")) { + unsigned int cursor; + char*str; + if (!COORD_HOST_LEVEL) - xbt_die - ("To use coordinates, you must set configuration 'coordinates' to 'yes'"); - xbt_dynar_t ctn = xbt_str_split_str(host->coord, " "); + xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line"); + /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/ + xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " "); + xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL); + xbt_dynar_foreach(ctn_str,cursor, str) { + double val = atof(str); + xbt_dynar_push(ctn,&val); + } xbt_dynar_shrink(ctn, 0); + xbt_dynar_free(&ctn_str); xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn); + XBT_DEBUG("Having set host coordinates for '%s'",host->id); } } @@ -120,26 +158,38 @@ static void parse_S_host(sg_platf_host_cbarg_t host) */ static void parse_S_router(sg_platf_router_cbarg_t router) { - network_element_info_t info = NULL; + sg_routing_edge_t info = NULL; if (current_routing->hierarchy == SURF_ROUTING_NULL) current_routing->hierarchy = SURF_ROUTING_BASE; xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL), "Reading a router, processing unit \"%s\" already exists", router->id); - (*(current_routing->parse_PU)) (current_routing, router->id); - info = xbt_new0(s_network_element_info_t, 1); + info = xbt_new0(s_network_element_t, 1); info->rc_component = current_routing; info->rc_type = SURF_NETWORK_ELEMENT_ROUTER; - + info->name = xbt_strdup(router->id); + info->id = current_routing->parse_PU(current_routing, (void *) info); xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info); + XBT_DEBUG("Having set name '%s' id '%d'",router->id,info->id); + if (strcmp(router->coord, "")) { + unsigned int cursor; + char*str; + if (!COORD_ASR_LEVEL) - xbt_die - ("To use coordinates, you must set configuration 'coordinates' to 'yes'"); - xbt_dynar_t ctn = xbt_str_split_str(router->coord, " "); + xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line"); + /* Pre-parse the host coordinates */ + xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " "); + xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL); + xbt_dynar_foreach(ctn_str,cursor, str) { + double val = atof(str); + xbt_dynar_push(ctn,&val); + } xbt_dynar_shrink(ctn, 0); + xbt_dynar_free(&ctn_str); xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn); + XBT_DEBUG("Having set router coordinates for '%s'",router->id); } } @@ -149,15 +199,12 @@ static void parse_S_router(sg_platf_router_cbarg_t router) */ static void routing_parse_S_route(void) { - if (src != NULL && dst != NULL && link_list != NULL) - THROWF(arg_error, 0, "Route between %s to %s can not be defined", - A_surfxml_route_src, A_surfxml_route_dst); src = A_surfxml_route_src; dst = A_surfxml_route_dst; xbt_assert(strlen(src) > 0 || strlen(dst) > 0, - "Some limits are null in the route between \"%s\" and \"%s\"", + "Missing end-points while defining route \"%s\"->\"%s\"", src, dst); - link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); + parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); } /** @@ -165,18 +212,14 @@ static void routing_parse_S_route(void) */ static void routing_parse_S_ASroute(void) { - if (src != NULL && dst != NULL && link_list != NULL) - THROWF(arg_error, 0, "Route between %s to %s can not be defined", - A_surfxml_ASroute_src, A_surfxml_ASroute_dst); src = A_surfxml_ASroute_src; dst = A_surfxml_ASroute_dst; gw_src = A_surfxml_ASroute_gw_src; gw_dst = A_surfxml_ASroute_gw_dst; - xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 - || strlen(gw_dst) > 0, - "Some limits are null in the route between \"%s\" and \"%s\"", - src, dst); - link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); + xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0, + "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)", + src, dst,gw_src,gw_dst); + parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); } /** @@ -184,21 +227,30 @@ static void routing_parse_S_ASroute(void) */ static void routing_parse_S_bypassRoute(void) { - if (src != NULL && dst != NULL && link_list != NULL) - THROWF(arg_error, 0, - "Bypass Route between %s to %s can not be defined", - A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst); src = A_surfxml_bypassRoute_src; dst = A_surfxml_bypassRoute_dst; - gw_src = A_surfxml_bypassRoute_gw_src; - gw_dst = A_surfxml_bypassRoute_gw_dst; - xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 - || strlen(gw_dst) > 0, - "Some limits are null in the route between \"%s\" and \"%s\"", - src, dst); - link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); + gw_src = NULL; + gw_dst = NULL; + xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0, + "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)", + src, dst,gw_src,gw_dst); + parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); } +/** + * \brief Set the end points for a bypassASroute + */ +static void routing_parse_S_bypassASroute(void) +{ + src = A_surfxml_bypassASroute_src; + dst = A_surfxml_bypassASroute_dst; + gw_src = A_surfxml_bypassASroute_gw_src; + gw_dst = A_surfxml_bypassASroute_gw_dst; + xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0, + "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)", + src, dst,gw_src,gw_dst); + parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); +} /** * \brief Set a new link on the actual list of link for a route or ASroute from XML */ @@ -218,7 +270,7 @@ static void routing_parse_link_ctn(void) link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id); break; } - xbt_dynar_push(link_list, &link_id); + xbt_dynar_push(parsed_link_list, &link_id); } /** @@ -226,13 +278,14 @@ static void routing_parse_link_ctn(void) */ static void routing_parse_E_route(void) { - route_extended_t route = xbt_new0(s_route_extended_t, 1); - route->generic_route.link_list = link_list; + route_t route = xbt_new0(s_route_t, 1); + route->link_list = parsed_link_list; xbt_assert(current_routing->parse_route, "no defined method \"set_route\" in \"%s\"", current_routing->name); - (*(current_routing->parse_route)) (current_routing, src, dst, route); - link_list = NULL; + current_routing->parse_route(current_routing, src, dst, route); + generic_free_route(route); + parsed_link_list = NULL; src = NULL; dst = NULL; } @@ -242,15 +295,26 @@ static void routing_parse_E_route(void) */ static void routing_parse_E_ASroute(void) { - route_extended_t e_route = xbt_new0(s_route_extended_t, 1); - e_route->generic_route.link_list = link_list; - e_route->src_gateway = xbt_strdup(gw_src); - e_route->dst_gateway = xbt_strdup(gw_dst); + route_t e_route = xbt_new0(s_route_t, 1); + e_route->link_list = parsed_link_list; + + if (!strcmp(current_routing->model_desc->name,"RuleBased")) { + // DIRTY PERL HACK AHEAD: with the rulebased routing, the {src,dst}_gateway fields + // store the provided name instead of the entity directly (model_rulebased_parse_ASroute knows) + // + // This is because the user will provide something like "^AS_(.*)$" instead of the proper name of a given entity + e_route->src_gateway = (sg_routing_edge_t) gw_src; + e_route->dst_gateway = (sg_routing_edge_t) gw_dst; + } else { + e_route->src_gateway = sg_routing_edge_by_name_or_null(gw_src); + e_route->dst_gateway = sg_routing_edge_by_name_or_null(gw_dst); + } xbt_assert(current_routing->parse_ASroute, "no defined method \"set_ASroute\" in \"%s\"", current_routing->name); - (*(current_routing->parse_ASroute)) (current_routing, src, dst, e_route); - link_list = NULL; + current_routing->parse_ASroute(current_routing, src, dst, e_route); + generic_free_route(e_route); + parsed_link_list = NULL; src = NULL; dst = NULL; gw_src = NULL; @@ -262,15 +326,34 @@ static void routing_parse_E_ASroute(void) */ static void routing_parse_E_bypassRoute(void) { - route_extended_t e_route = xbt_new0(s_route_extended_t, 1); - e_route->generic_route.link_list = link_list; - e_route->src_gateway = xbt_strdup(gw_src); - e_route->dst_gateway = xbt_strdup(gw_dst); + route_t e_route = xbt_new0(s_route_t, 1); + e_route->link_list = parsed_link_list; + xbt_assert(current_routing->parse_bypassroute, "Bypassing mechanism not implemented by routing '%s'", current_routing->name); - (*(current_routing->parse_bypassroute)) (current_routing, src, dst, e_route); - link_list = NULL; + + current_routing->parse_bypassroute(current_routing, src, dst, e_route); + parsed_link_list = NULL; + src = NULL; + dst = NULL; + gw_src = NULL; + gw_dst = NULL; +} +/** + * \brief Store the bypass route by calling the set_bypassroute function of the current routing component + */ +static void routing_parse_E_bypassASroute(void) +{ + route_t e_route = xbt_new0(s_route_t, 1); + e_route->link_list = parsed_link_list; + e_route->src_gateway = sg_routing_edge_by_name_or_null(gw_src); + e_route->dst_gateway = sg_routing_edge_by_name_or_null(gw_dst); + xbt_assert(current_routing->parse_bypassroute, + "Bypassing mechanism not implemented by routing '%s'", + current_routing->name); + current_routing->parse_bypassroute(current_routing, src, dst, e_route); + parsed_link_list = NULL; src = NULL; dst = NULL; gw_src = NULL; @@ -290,39 +373,44 @@ static void routing_parse_E_bypassRoute(void) * @param AS_id name of this autonomous system. Must be unique in the platform * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c */ -void routing_AS_begin(const char *AS_id, const char *wanted_routing_type) +void routing_AS_begin(const char *AS_id, int wanted_routing_type) { AS_t new_as; routing_model_description_t model = NULL; int cpt; + xbt_assert(!xbt_lib_get_or_null + (as_router_lib, AS_id, ROUTING_ASR_LEVEL), + "The AS \"%s\" already exists", AS_id); + /* search the routing model */ - for (cpt = 0; routing_models[cpt].name; cpt++) - if (!strcmp(wanted_routing_type, routing_models[cpt].name)) - model = &routing_models[cpt]; - /* if its not exist, error */ - if (model == NULL) { - fprintf(stderr, "Routing model %s not found. Existing models:\n", - wanted_routing_type); - for (cpt = 0; routing_models[cpt].name; cpt++) - fprintf(stderr, " %s: %s\n", routing_models[cpt].name, - routing_models[cpt].desc); - xbt_die(NULL); + switch(wanted_routing_type){ + case A_surfxml_AS_routing_Cluster: model = &routing_models[SURF_MODEL_CLUSTER];break; + case A_surfxml_AS_routing_Dijkstra: model = &routing_models[SURF_MODEL_DIJKSTRA];break; + case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break; + case A_surfxml_AS_routing_Floyd: model = &routing_models[SURF_MODEL_FLOYD];break; + case A_surfxml_AS_routing_Full: model = &routing_models[SURF_MODEL_FULL];break; + case A_surfxml_AS_routing_None: model = &routing_models[SURF_MODEL_NONE];break; + case A_surfxml_AS_routing_RuleBased: model = &routing_models[SURF_MODEL_RULEBASED];break; + case A_surfxml_AS_routing_Vivaldi: model = &routing_models[SURF_MODEL_VIVALDI];break; } /* make a new routing component */ - new_as = (AS_t) (*(model->create)) (); + new_as = (AS_t) model->create(); new_as->model_desc = model; new_as->hierarchy = SURF_ROUTING_NULL; new_as->name = xbt_strdup(AS_id); - if (current_routing == NULL && global_routing->root == NULL) { + sg_routing_edge_t info = NULL; + info = xbt_new0(s_network_element_t, 1); + + if (current_routing == NULL && routing_platf->root == NULL) { /* it is the first one */ new_as->routing_father = NULL; - global_routing->root = new_as; - - } else if (current_routing != NULL && global_routing->root != NULL) { + routing_platf->root = new_as; + info->id = -1; + } else if (current_routing != NULL && routing_platf->root != NULL) { xbt_assert(!xbt_dict_get_or_null (current_routing->routing_sons, AS_id), @@ -336,12 +424,23 @@ void routing_AS_begin(const char *AS_id, const char *wanted_routing_type) xbt_dict_set(current_routing->routing_sons, AS_id, (void *) new_as, NULL); /* add to the father element list */ - (*(current_routing->parse_AS)) (current_routing, AS_id); + info->id = current_routing->parse_AS(current_routing, (void *) info); } else { THROWF(arg_error, 0, "All defined components must be belong to a AS"); } + + info->rc_component = new_as->routing_father; + info->rc_type = SURF_NETWORK_ELEMENT_AS; + info->name = new_as->name; + + xbt_lib_set(as_router_lib, new_as->name, ROUTING_ASR_LEVEL, + (void *) info); + XBT_DEBUG("Having set name '%s' id '%d'",new_as->name,info->id); + /* set the new current component of the tree */ current_routing = new_as; + current_routing->net_elem = info; + } /** @@ -361,18 +460,8 @@ void routing_AS_end() if (current_routing == NULL) { THROWF(arg_error, 0, "Close an AS, but none was under construction"); } else { - network_element_info_t info = NULL; - xbt_assert(!xbt_lib_get_or_null - (as_router_lib, current_routing->name, ROUTING_ASR_LEVEL), - "The AS \"%s\" already exists", current_routing->name); - info = xbt_new0(s_network_element_info_t, 1); - info->rc_component = current_routing->routing_father; - info->rc_type = SURF_NETWORK_ELEMENT_AS; - xbt_lib_set(as_router_lib, current_routing->name, ROUTING_ASR_LEVEL, - (void *) info); - if (current_routing->model_desc->end) - (*(current_routing->model_desc->end)) (current_routing); + current_routing->model_desc->end(current_routing); current_routing = current_routing->routing_father; } } @@ -388,7 +477,7 @@ void routing_AS_end() * Get the common father of the to processing units, and the first different * father in the chain */ -static void elements_father(const char *src, const char *dst, +static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst, AS_t * res_father, AS_t * res_src, AS_t * res_dst) @@ -406,19 +495,17 @@ static void elements_father(const char *src, const char *dst, AS_t father; /* (1) find the as where the src and dst are located */ - network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src, - ROUTING_HOST_LEVEL); - network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst, - ROUTING_HOST_LEVEL); - if (!src_data) - src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL); - if (!dst_data) - dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL); + sg_routing_edge_t src_data = src; + sg_routing_edge_t dst_data = dst; src_as = src_data->rc_component; dst_as = dst_data->rc_component; +#ifndef NDEBUG + char* src_name = src_data->name; + char* dst_name = dst_data->name; +#endif xbt_assert(src_as && dst_as, - "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst); + "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name); /* (2) find the path to the root routing component */ for (current = src_as; current != NULL; current = current->routing_father) { @@ -459,183 +546,102 @@ static void elements_father(const char *src, const char *dst, * * \param src the source host name * \param dst the destination host name - * \param *e_route the route where the links are stored + * \param *route the route where the links are stored. It is either NULL or a ready to use dynar * \param *latency the latency, if needed * * This function is called by "get_route" and "get_latency". It allows to walk - * recursively through the routing components tree. + * recursively through the ASes tree. */ -static void _get_route_latency(const char *src, const char *dst, - xbt_dynar_t * route, double *latency) +static void _get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst, + xbt_dynar_t * links, double *latency) { - XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src, dst); + s_route_t route; + memset(&route,0,sizeof(route)); + + XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name, dst->name); xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method"); - AS_t common_father; - AS_t src_father; - AS_t dst_father; + /* Find how src and dst are interconnected */ + AS_t common_father, src_father, dst_father; elements_father(src, dst, &common_father, &src_father, &dst_father); + XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'", + common_father->name,src_father->name,dst_father->name); + + /* Check whether a direct bypass is defined */ + route_t e_route_bypass = NULL; + if (common_father->get_bypass_route) + e_route_bypass = common_father->get_bypass_route(common_father, src, dst, latency); + + /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */ + if (e_route_bypass) { + xbt_dynar_merge(links, &e_route_bypass->link_list); + generic_free_route(e_route_bypass); + return; + } + /* If src and dst are in the same AS, life is good */ if (src_father == dst_father) { /* SURF_ROUTING_BASE */ + route.link_list = *links; + common_father->get_route_and_latency(common_father, src, dst, &route,latency); + return; + } - route_extended_t e_route = NULL; - if (route) { - e_route = common_father->get_route(common_father, src, dst); - xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst); - *route = e_route->generic_route.link_list; - } - if (latency) { - *latency = common_father->get_latency(common_father, src, dst, e_route); - xbt_assert(*latency >= 0.0, - "latency error on route between \"%s\" and \"%s\"", src, dst); - } - if (e_route) { - xbt_free(e_route->src_gateway); - xbt_free(e_route->dst_gateway); - xbt_free(e_route); - } - - } else { /* SURF_ROUTING_RECURSIVE */ + /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/ - route_extended_t e_route_bypass = NULL; - if (common_father->get_bypass_route) - e_route_bypass = common_father->get_bypass_route(common_father, src, dst); + route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL); + // Find the net_card corresponding to father + sg_routing_edge_t src_father_net_elm = src_father->net_elem; + sg_routing_edge_t dst_father_net_elm = dst_father->net_elem; - xbt_assert(!latency || !e_route_bypass, - "Bypass cannot work yet with get_latency"); + common_father->get_route_and_latency(common_father, + src_father_net_elm, dst_father_net_elm, + &route, latency); - route_extended_t e_route_cnt = e_route_bypass - ? e_route_bypass : common_father->get_route(common_father, - src_father->name, - dst_father->name); + xbt_assert((route.src_gateway != NULL) && (route.dst_gateway != NULL), + "bad gateways for route from \"%s\" to \"%s\"", src->name, dst->name); - xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"", - src_father->name, dst_father->name); + sg_routing_edge_t src_gateway_net_elm = route.src_gateway; + sg_routing_edge_t dst_gateway_net_elm = route.dst_gateway; - xbt_assert((e_route_cnt->src_gateway == NULL) == - (e_route_cnt->dst_gateway == NULL), - "bad gateway for route between \"%s\" and \"%s\"", src, dst); + /* If source gateway is not our source, we have to recursively find our way up to this point */ + if (src != src_gateway_net_elm) + _get_route_and_latency(src, src_gateway_net_elm, links, latency); - if (route) { - *route = xbt_dynar_new(global_routing->size_of_link, NULL); - } - if (latency) { - *latency = common_father->get_latency(common_father, - src_father->name, dst_father->name, - e_route_cnt); - xbt_assert(*latency >= 0.0, - "latency error on route between \"%s\" and \"%s\"", - src_father->name, dst_father->name); - } - - void *link; - unsigned int cpt; - - if (strcmp(src, e_route_cnt->src_gateway)) { - double latency_src; - xbt_dynar_t route_src; - - _get_route_latency(src, e_route_cnt->src_gateway, - (route ? &route_src : NULL), - (latency ? &latency_src : NULL)); - if (route) { - xbt_assert(route_src, "no route between \"%s\" and \"%s\"", - src, e_route_cnt->src_gateway); - xbt_dynar_foreach(route_src, cpt, link) { - xbt_dynar_push(*route, &link); - } - xbt_dynar_free(&route_src); - } - if (latency) { - xbt_assert(latency_src >= 0.0, - "latency error on route between \"%s\" and \"%s\"", - src, e_route_cnt->src_gateway); - *latency += latency_src; - } - } - - if (route) { - xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) { - xbt_dynar_push(*route, &link); - } - } + xbt_dynar_merge(links, &route.link_list); - if (strcmp(e_route_cnt->dst_gateway, dst)) { - double latency_dst; - xbt_dynar_t route_dst; - - _get_route_latency(e_route_cnt->dst_gateway, dst, - (route ? &route_dst : NULL), - (latency ? &latency_dst : NULL)); - if (route) { - xbt_assert(route_dst, "no route between \"%s\" and \"%s\"", - e_route_cnt->dst_gateway, dst); - xbt_dynar_foreach(route_dst, cpt, link) { - xbt_dynar_push(*route, &link); - } - xbt_dynar_free(&route_dst); - } - if (latency) { - xbt_assert(latency_dst >= 0.0, - "latency error on route between \"%s\" and \"%s\"", - e_route_cnt->dst_gateway, dst); - *latency += latency_dst; - } - } - - generic_free_extended_route(e_route_cnt); - } -} - -/** - * \brief Generic function for get_route, get_route_no_cleanup, and get_latency - */ -static void get_route_latency(const char *src, const char *dst, - xbt_dynar_t * route, double *latency, int cleanup) -{ - static xbt_dynar_t last_route = NULL; - - _get_route_latency(src, dst, route, latency); - xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst); - xbt_assert(!latency || *latency >= 0.0, - "latency error on route between \"%s\" and \"%s\"", src, dst); - if (route) { - xbt_dynar_free(&last_route); - last_route = cleanup ? *route : NULL; - } + /* If dest gateway is not our destination, we have to recursively find our way from this point */ + if (dst_gateway_net_elm != dst) + _get_route_and_latency(dst_gateway_net_elm, dst, links, latency); } /** * \brief Find a route between hosts * - * \param src the source host name - * \param dst the destination host name - * - * walk through the routing components tree and find a route between hosts - * by calling the differents "get_route" functions in each routing component. - * No need to free the returned dynar. It will be freed at the next call. - */ -xbt_dynar_t routing_get_route(const char *src, const char *dst) { - xbt_dynar_t route = NULL; - get_route_latency(src, dst, &route, NULL, 1); - return route; -} - -/** - * \brief Generic method: find a route between hosts - * - * \param src the source host name - * \param dst the destination host name + * \param src the network_element_t for src host + * \param dst the network_element_t for dst host + * \param route where to store the list of links. + * If *route=NULL, create a short lived dynar. Else, fill the provided dynar + * \param latency where to store the latency experienced on the path (or NULL if not interested) + * It is the caller responsability to initialize latency to 0 (we add to provided route) + * \pre route!=NULL * * walk through the routing components tree and find a route between hosts * by calling the differents "get_route" functions in each routing component. - * Leaves the caller the responsability to clean the returned dynar. */ -static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst) +void routing_get_route_and_latency(sg_routing_edge_t src, + sg_routing_edge_t dst, + xbt_dynar_t * route, double *latency) { - xbt_dynar_t route = NULL; - get_route_latency(src, dst, &route, NULL, 0); - return route; + XBT_DEBUG("routing_get_route_and_latency from %s to %s",src->name,dst->name); + if (!*route) { + xbt_dynar_reset(routing_platf->last_route); + *route = routing_platf->last_route; + } + + _get_route_and_latency(src, dst, route, latency); + + xbt_assert(!latency || *latency >= 0.0, + "negative latency on route between \"%s\" and \"%s\"", src->name, dst->name); } static xbt_dynar_t recursive_get_onelink_routes(AS_t rc) @@ -643,43 +649,30 @@ static xbt_dynar_t recursive_get_onelink_routes(AS_t rc) xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free); //adding my one link routes - unsigned int cpt; - void *link; xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc); - if (onelink_mine) { - xbt_dynar_foreach(onelink_mine, cpt, link) { - xbt_dynar_push(ret, &link); - } - } + if (onelink_mine) + xbt_dynar_merge(&ret,&onelink_mine); + //recursing char *key; xbt_dict_cursor_t cursor = NULL; AS_t rc_child; xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) { xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child); - if (onelink_child) { - xbt_dynar_foreach(onelink_child, cpt, link) { - xbt_dynar_push(ret, &link); - } - } + if (onelink_child) + xbt_dynar_merge(&ret,&onelink_child); } return ret; } static xbt_dynar_t get_onelink_routes(void) { - return recursive_get_onelink_routes(global_routing->root); + return recursive_get_onelink_routes(routing_platf->root); } e_surf_network_element_type_t routing_get_network_element_type(const char *name) { - network_element_info_t rc = NULL; - - rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL); - if (rc) - return rc->rc_type; - - rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL); + sg_routing_edge_t rc = sg_routing_edge_by_name_or_null(name); if (rc) return rc->rc_type; @@ -691,16 +684,14 @@ e_surf_network_element_type_t routing_get_network_element_type(const char *name) * * Make a global routing structure and set all the parsing functions. */ -void routing_model_create(size_t size_of_links, void *loopback) +void routing_model_create( void *loopback) { /* config the uniq global routing */ - global_routing = xbt_new0(s_routing_global_t, 1); - global_routing->root = NULL; - global_routing->get_route_no_cleanup = get_route_no_cleanup; - global_routing->get_onelink_routes = get_onelink_routes; - global_routing->get_route_latency = get_route_latency; - global_routing->loopback = loopback; - global_routing->size_of_link = size_of_links; + routing_platf = xbt_new0(s_routing_platf_t, 1); + routing_platf->root = NULL; + routing_platf->get_onelink_routes = get_onelink_routes; + routing_platf->loopback = loopback; + routing_platf->last_route = xbt_dynar_new(sizeof(sg_routing_link_t),NULL); /* no current routing at moment */ current_routing = NULL; } @@ -752,8 +743,7 @@ void routing_model_create(size_t size_of_links, void *loopback) /* ************************************************************************** */ /* ************************* GENERIC PARSE FUNCTIONS ************************ */ - -static void routing_parse_cluster(void) +static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster) { char *host_id, *groups, *link_id = NULL; xbt_dict_t patterns = NULL; @@ -761,26 +751,28 @@ static void routing_parse_cluster(void) s_sg_platf_host_cbarg_t host; s_sg_platf_link_cbarg_t link; - if (strcmp(struct_cluster->availability_trace, "") - || strcmp(struct_cluster->state_trace, "")) { - patterns = xbt_dict_new(); - xbt_dict_set(patterns, "id", xbt_strdup(struct_cluster->id), free); - xbt_dict_set(patterns, "prefix", xbt_strdup(struct_cluster->prefix), free); - xbt_dict_set(patterns, "suffix", xbt_strdup(struct_cluster->suffix), free); - } - unsigned int iter; int start, end, i; xbt_dynar_t radical_elements; xbt_dynar_t radical_ends; - XBT_DEBUG("", struct_cluster->id); - sg_platf_new_AS_begin(struct_cluster->id, "Cluster"); + if (strcmp(cluster->availability_trace, "") + || strcmp(cluster->state_trace, "")) { + patterns = xbt_dict_new_homogeneous(xbt_free_f); + xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL); + xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL); + xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL); + } + + XBT_DEBUG("", cluster->id); + sg_platf_new_AS_begin(cluster->id, A_surfxml_AS_routing_Cluster); + + current_routing->link_up_down_list + = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL); //Make all hosts - radical_elements = xbt_str_split(struct_cluster->radical, ","); + radical_elements = xbt_str_split(cluster->radical, ","); xbt_dynar_foreach(radical_elements, iter, groups) { - memset(&host, 0, sizeof(host)); radical_ends = xbt_str_split(groups, "-"); start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *)); @@ -798,84 +790,67 @@ static void routing_parse_cluster(void) } for (i = start; i <= end; i++) { host_id = - bprintf("%s%d%s", struct_cluster->prefix, i, struct_cluster->suffix); - link_id = bprintf("%s_link_%d", struct_cluster->id, i); + bprintf("%s%d%s", cluster->prefix, i, cluster->suffix); + link_id = bprintf("%s_link_%d", cluster->id, i); - XBT_DEBUG("", host_id, - struct_cluster->power); + XBT_DEBUG("", host_id, cluster->power); + + memset(&host, 0, sizeof(host)); host.id = host_id; - if (strcmp(struct_cluster->availability_trace, "")) { - xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free); - char *tmp_availability_file = - xbt_str_varsubst(struct_cluster->availability_trace, patterns); - XBT_DEBUG("\tavailability_file=\"%s\"", tmp_availability_file); - host.power_trace = tmgr_trace_new(tmp_availability_file); - xbt_free(tmp_availability_file); + if (strcmp(cluster->availability_trace, "")) { + xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL); + char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns); + XBT_DEBUG("\tavailability_file=\"%s\"", avail_file); + host.power_trace = tmgr_trace_new_from_file(avail_file); + xbt_free(avail_file); } else { XBT_DEBUG("\tavailability_file=\"\""); } - if (strcmp(struct_cluster->state_trace, "")) { - char *tmp_state_file = - xbt_str_varsubst(struct_cluster->state_trace, patterns); - XBT_DEBUG("\tstate_file=\"%s\"", tmp_state_file); - host.state_trace = tmgr_trace_new(tmp_state_file); - xbt_free(tmp_state_file); + + if (strcmp(cluster->state_trace, "")) { + char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns); + XBT_DEBUG("\tstate_file=\"%s\"", avail_file); + host.state_trace = tmgr_trace_new_from_file(avail_file); + xbt_free(avail_file); } else { XBT_DEBUG("\tstate_file=\"\""); } - host.power_peak = struct_cluster->power; + host.power_peak = cluster->power; host.power_scale = 1.0; - host.core_amount = struct_cluster->core_amount; + host.core_amount = cluster->core_amount; host.initial_state = SURF_RESOURCE_ON; host.coord = ""; sg_platf_new_host(&host); XBT_DEBUG(""); XBT_DEBUG("", link_id, - struct_cluster->bw, struct_cluster->lat); + cluster->bw, cluster->lat); memset(&link, 0, sizeof(link)); link.id = link_id; - link.bandwidth = struct_cluster->bw; - link.latency = struct_cluster->lat; + link.bandwidth = cluster->bw; + link.latency = cluster->lat; link.state = SURF_RESOURCE_ON; - - switch (struct_cluster->sharing_policy) { - case A_surfxml_cluster_sharing_policy_SHARED: - link.policy = SURF_LINK_SHARED; - break; - case A_surfxml_cluster_sharing_policy_FULLDUPLEX: - link.policy = SURF_LINK_FULLDUPLEX; - break; - case A_surfxml_cluster_sharing_policy_FATPIPE: - link.policy = SURF_LINK_FATPIPE; - break; - default: - surf_parse_error(bprintf - ("Invalid cluster sharing policy for cluster %s", - struct_cluster->id)); - break; - } + link.policy = cluster->sharing_policy; sg_platf_new_link(&link); - surf_parsing_link_up_down_t info = - xbt_new0(s_surf_parsing_link_up_down_t, 1); + s_surf_parsing_link_up_down_t info; + if (link.policy == SURF_LINK_FULLDUPLEX) { char *tmp_link = bprintf("%s_UP", link_id); - info->link_up = + info.link_up = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL); free(tmp_link); tmp_link = bprintf("%s_DOWN", link_id); - info->link_down = + info.link_down = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL); free(tmp_link); } else { - info->link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL); - info->link_down = info->link_up; + info.link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL); + info.link_down = info.link_up; } - surf_routing_cluster_add_link(host_id, info); - + xbt_dynar_push(current_routing->link_up_down_list,&info); xbt_free(link_id); xbt_free(host_id); } @@ -884,46 +859,34 @@ static void routing_parse_cluster(void) } xbt_dynar_free(&radical_elements); - // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written, and it's very useful to connect clusters together + // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written, + // and it's very useful to connect clusters together XBT_DEBUG(" "); - XBT_DEBUG("", struct_cluster->router_id); - s_sg_platf_router_cbarg_t router; + XBT_DEBUG("", cluster->router_id); char *newid = NULL; + s_sg_platf_router_cbarg_t router; memset(&router, 0, sizeof(router)); - router.id = struct_cluster->router_id; + router.id = cluster->router_id; router.coord = ""; if (!router.id || !strcmp(router.id, "")) router.id = newid = - bprintf("%s%s_router%s", struct_cluster->prefix, struct_cluster->id, - struct_cluster->suffix); + bprintf("%s%s_router%s", cluster->prefix, cluster->id, + cluster->suffix); sg_platf_new_router(&router); free(newid); //Make the backbone - if ((struct_cluster->bb_bw != 0) && (struct_cluster->bb_lat != 0)) { - char *link_backbone = bprintf("%s_backbone", struct_cluster->id); + if ((cluster->bb_bw != 0) && (cluster->bb_lat != 0)) { + char *link_backbone = bprintf("%s_backbone", cluster->id); XBT_DEBUG("", link_backbone, - struct_cluster->bb_bw, struct_cluster->bb_lat); + cluster->bb_bw, cluster->bb_lat); memset(&link, 0, sizeof(link)); link.id = link_backbone; - link.bandwidth = struct_cluster->bb_bw; - link.latency = struct_cluster->bb_lat; + link.bandwidth = cluster->bb_bw; + link.latency = cluster->bb_lat; link.state = SURF_RESOURCE_ON; - - switch (struct_cluster->bb_sharing_policy) { - case A_surfxml_cluster_bb_sharing_policy_FATPIPE: - link.policy = SURF_LINK_FATPIPE; - break; - case A_surfxml_cluster_bb_sharing_policy_SHARED: - link.policy = SURF_LINK_SHARED; - break; - default: - surf_parse_error(bprintf - ("Invalid bb sharing policy in cluster %s", - struct_cluster->id)); - break; - } + link.policy = cluster->bb_sharing_policy; sg_platf_new_link(&link); @@ -956,7 +919,7 @@ static void routing_parse_peer(sg_platf_peer_cbarg_t peer) surfxml_bufferstack_push(1); XBT_DEBUG("", peer->id); - sg_platf_new_AS_begin(peer->id, "Full"); + sg_platf_new_AS_begin(peer->id, A_surfxml_AS_routing_Full); XBT_DEBUG(" "); host_id = HOST_PEER(peer->id); @@ -977,6 +940,7 @@ static void routing_parse_peer(sg_platf_peer_cbarg_t peer) host.power_trace = peer->availability_trace; host.state_trace = peer->state_trace; host.core_amount = 1; + host.coord = peer->coord; sg_platf_new_host(&host); @@ -1079,7 +1043,24 @@ static void routing_parse_Srandom(void) int start, end; xbt_dynar_t radical_ends; - random->generator = A_surfxml_random_generator; + switch (A_surfxml_random_generator) { + case AU_surfxml_random_generator: + case A_surfxml_random_generator_NONE: + random->generator = NONE; + break; + case A_surfxml_random_generator_DRAND48: + random->generator = DRAND48; + break; + case A_surfxml_random_generator_RAND: + random->generator = RAND; + break; + case A_surfxml_random_generator_RNGSTREAM: + random->generator = RNGSTREAM; + break; + default: + surf_parse_error("Invalid random generator"); + break; + } random->seed = seed; random->min = min; random->max = max; @@ -1103,15 +1084,15 @@ static void routing_parse_Srandom(void) XBT_DEBUG ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'", random_id, random->min, random->max, random->mean, random->std, - random->generator, random->seed, random_radical); + (int)random->generator, random->seed, random_radical); - if (xbt_dict_size(random_value) == 0) - random_value = xbt_dict_new(); + if (!random_value) + random_value = xbt_dict_new_homogeneous(free); if (!strcmp(random_radical, "")) { res = random_generate(random); rd_value = bprintf("%f", res); - xbt_dict_set(random_value, random_id, rd_value, free); + xbt_dict_set(random_value, random_id, rd_value, NULL); } else { radical_elements = xbt_str_split(random_radical, ","); xbt_dynar_foreach(radical_elements, iter, groups) { @@ -1124,7 +1105,7 @@ static void routing_parse_Srandom(void) tmpbuf = bprintf("%s%d", random_id, atoi(xbt_dynar_getfirst_as(radical_ends, char *))); - xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free); + xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL); xbt_free(tmpbuf); break; @@ -1138,18 +1119,18 @@ static void routing_parse_Srandom(void) i)); res = random_generate(random); tmpbuf = bprintf("%s%d", random_id, i); - xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free); + xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL); xbt_free(tmpbuf); } break; default: - XBT_INFO("Malformed radical"); + XBT_CRITICAL("Malformed radical"); break; } res = random_generate(random); rd_name = bprintf("%s_router", random_id); rd_value = bprintf("%f", res); - xbt_dict_set(random_value, rd_name, rd_value, free); + xbt_dict_set(random_value, rd_name, rd_value, NULL); xbt_dynar_free(&radical_ends); } @@ -1169,6 +1150,8 @@ void routing_register_callbacks() surfxml_add_callback(STag_surfxml_ASroute_cb_list, &routing_parse_S_ASroute); surfxml_add_callback(STag_surfxml_bypassRoute_cb_list, &routing_parse_S_bypassRoute); + surfxml_add_callback(STag_surfxml_bypassASroute_cb_list, + &routing_parse_S_bypassASroute); surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn); @@ -1176,12 +1159,18 @@ void routing_register_callbacks() surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute); surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list, &routing_parse_E_bypassRoute); + surfxml_add_callback(ETag_surfxml_bypassASroute_cb_list, + &routing_parse_E_bypassASroute); - surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_parse_cluster); + sg_platf_cluster_add_cb(routing_parse_cluster); sg_platf_peer_add_cb(routing_parse_peer); sg_platf_postparse_add_cb(routing_parse_postparse); + /* we care about the ASes while parsing the platf. Incredible, isnt it? */ + sg_platf_AS_end_add_cb(routing_AS_end); + sg_platf_AS_begin_add_cb(routing_AS_begin); + #ifdef HAVE_TRACING instr_routing_define_callbacks(); #endif @@ -1209,8 +1198,9 @@ static void finalize_rec(AS_t as) { /** \brief Frees all memory allocated by the routing module */ void routing_exit(void) { - if (!global_routing) + if (!routing_platf) return; - finalize_rec(global_routing->root); - xbt_free(global_routing); + xbt_dynar_free(&routing_platf->last_route); + finalize_rec(routing_platf->root); + xbt_free(routing_platf); }