X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bbab4619c1dbcfedc93e2d14812a684119c75136..346c06db41ebb088e88351d8381d0c232d2ddbb5:/src/surf/surf_routing_rulebased.c diff --git a/src/surf/surf_routing_rulebased.c b/src/surf/surf_routing_rulebased.c index 03ae1a4d93..ca03d309fa 100644 --- a/src/surf/surf_routing_rulebased.c +++ b/src/surf/surf_routing_rulebased.c @@ -7,26 +7,21 @@ #include /* regular expression library */ /* 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 routing_platf_t routing_platf; XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_rulebased, surf, "Routing part of surf"); /* Routing model structure */ typedef struct { - s_routing_component_t generic_routing; - xbt_dict_t dict_processing_units; - xbt_dict_t dict_autonomous_systems; + s_as_t generic_routing; xbt_dynar_t list_route; xbt_dynar_t list_ASroute; -} s_routing_component_rulebased_t, *routing_component_rulebased_t; +} s_AS_rulebased_t, *AS_rulebased_t; typedef struct s_rule_route s_rule_route_t, *rule_route_t; typedef struct s_rule_route_extended s_rule_route_extended_t, - *rule_route_extended_t; +*rule_route_extended_t; struct s_rule_route { xbt_dynar_t re_str_link; // dynar of char* @@ -67,90 +62,93 @@ static void rule_route_extended_free(void *e) /* Parse routing model functions */ -static void model_rulebased_set_processing_unit(routing_component_t rc, - const char *name) +static int model_rulebased_parse_PU(AS_t rc, sg_routing_edge_t elm) { - routing_component_rulebased_t routing = - (routing_component_rulebased_t) rc; - xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL); + AS_rulebased_t routing = (AS_rulebased_t) rc; + xbt_dynar_push(routing->generic_routing.index_network_elm,(void *)elm); + return -1; } -static void model_rulebased_set_autonomous_system(routing_component_t rc, - const char *name) +static int model_rulebased_parse_AS(AS_t rc, sg_routing_edge_t elm) { - routing_component_rulebased_t routing = - (routing_component_rulebased_t) rc; - xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1), - NULL); + AS_rulebased_t routing = (AS_rulebased_t) rc; + xbt_dynar_push(routing->generic_routing.index_network_elm,(void *)elm); + return -1; } -static void model_rulebased_set_route(routing_component_t rc, - const char *src, const char *dst, - name_route_extended_t route) +static void model_rulebased_parse_route(AS_t rc, + const char *src, const char *dst, + route_t route) { - routing_component_rulebased_t routing = - (routing_component_rulebased_t) rc; + AS_rulebased_t routing = (AS_rulebased_t) rc; rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1); const char *error; int erroffset; - if(!strcmp(rc->routing->name,"Vivaldi")){ - if(xbt_dynar_length(route->generic_route.link_list) != 0) - xbt_die("You can't have link_ctn with Model Vivaldi."); + if(!strcmp(rc->model_desc->name,"Vivaldi")){ + if(!xbt_dynar_is_empty(route->link_list)) + xbt_die("You can't have link_ctn with Model Vivaldi."); } ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL); xbt_assert(ruleroute->re_src, - "PCRE compilation failed at offset %d (\"%s\"): %s\n", - erroffset, src, error); + "PCRE compilation failed at offset %d (\"%s\"): %s\n", + erroffset, src, error); ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL); xbt_assert(ruleroute->re_src, - "PCRE compilation failed at offset %d (\"%s\"): %s\n", - erroffset, dst, error); - ruleroute->re_str_link = route->generic_route.link_list; + "PCRE compilation failed at offset %d (\"%s\"): %s\n", + erroffset, dst, error); + + ruleroute->re_str_link = route->link_list; + route->link_list = NULL; // Don't free it twice in each container + xbt_dynar_push(routing->list_route, &ruleroute); - xbt_free(route); } -static void model_rulebased_set_ASroute(routing_component_t rc, - const char *src, const char *dst, - name_route_extended_t route) +static void model_rulebased_parse_ASroute(AS_t rc, + const char *src, const char *dst, + route_t route) { - routing_component_rulebased_t routing = - (routing_component_rulebased_t) rc; + AS_rulebased_t routing = (AS_rulebased_t) rc; rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1); const char *error; int erroffset; - if(!strcmp(rc->routing->name,"Vivaldi")){ - if(xbt_dynar_length(route->generic_route.link_list) != 0) - xbt_die("You can't have link_ctn with Model Vivaldi."); + if(!strcmp(rc->model_desc->name,"Vivaldi")){ + if(!xbt_dynar_is_empty(route->link_list)) + xbt_die("You can't have link_ctn with Model Vivaldi."); } ruleroute_e->generic_rule_route.re_src = pcre_compile(src, 0, &error, &erroffset, NULL); xbt_assert(ruleroute_e->generic_rule_route.re_src, - "PCRE compilation failed at offset %d (\"%s\"): %s\n", - erroffset, src, error); + "PCRE compilation failed at offset %d (\"%s\"): %s\n", + erroffset, src, error); ruleroute_e->generic_rule_route.re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL); xbt_assert(ruleroute_e->generic_rule_route.re_src, - "PCRE compilation failed at offset %d (\"%s\"): %s\n", - erroffset, dst, error); + "PCRE compilation failed at offset %d (\"%s\"): %s\n", + erroffset, dst, error); ruleroute_e->generic_rule_route.re_str_link = - route->generic_route.link_list; - ruleroute_e->re_src_gateway = route->src_gateway; - ruleroute_e->re_dst_gateway = route->dst_gateway; + route->link_list; + + // DIRTY PERL HACK AHEAD: with the rulebased routing, the {src,dst}_gateway fields + // store the provided name instead of the entity directly (routing_parse_E_ASroute knows) + // + // This is because the user will provide something like "^AS_(.*)$" instead of the proper name of a given entity + ruleroute_e->re_src_gateway = xbt_strdup((char *)route->src_gateway); + ruleroute_e->re_dst_gateway = xbt_strdup((char *)route->dst_gateway); xbt_dynar_push(routing->list_ASroute, &ruleroute_e); -// xbt_free(route->src_gateway); -// xbt_free(route->dst_gateway); - xbt_free(route); + + /* make sure that they don't get freed */ + route->link_list = NULL; + route->src_gateway = route->dst_gateway = NULL; } -static void model_rulebased_set_bypassroute(routing_component_t rc, - const char *src, - const char *dst, - route_extended_t e_route) +static void model_rulebased_parse_bypassroute(AS_t rc, + const char *src, + const char *dst, + route_t e_route) { xbt_die("bypass routing not supported for Route-Based model"); } @@ -159,7 +157,7 @@ static void model_rulebased_set_bypassroute(routing_component_t rc, #define OVECCOUNT 30 /* should be a multiple of 3 */ static char *remplace(char *value, const char **src_list, int src_size, - const char **dst_list, int dst_size) + const char **dst_list, int dst_size) { char result[BUFFER_SIZE]; int i_res = 0; @@ -170,7 +168,7 @@ static char *remplace(char *value, const char **src_list, int src_size, i++; /* skip the '$' */ if (value[i] < '0' || value[i] > '9') xbt_die("bad string parameter, no number indication, at offset: " - "%d (\"%s\")", i, value); + "%d (\"%s\")", i, value); /* solve the number */ int number = value[i++] - '0'; @@ -184,18 +182,18 @@ static char *remplace(char *value, const char **src_list, int src_size, param_list = src_list; param_size = src_size; } else if (value[i] == 'd' && value[i + 1] == 's' - && value[i + 2] == 't') { + && value[i + 2] == 't') { param_list = dst_list; param_size = dst_size; } else { xbt_die("bad string parameter, support only \"src\" and \"dst\", " - "at offset: %d (\"%s\")", i, value); + "at offset: %d (\"%s\")", i, value); } i += 3; xbt_assert(number < param_size, - "bad string parameter, not enough length param_size, " - "at offset: %d (\"%s\") %d %d", i, value, param_size, number); + "bad string parameter, not enough length param_size, " + "at offset: %d (\"%s\") %d %d", i, value, param_size, number); const char *param = param_list[number]; int j = 0; @@ -206,102 +204,98 @@ static char *remplace(char *value, const char **src_list, int src_size, } if (i_res >= BUFFER_SIZE) xbt_die("solving string \"%s\", small buffer size (%d)", - value, BUFFER_SIZE); + value, BUFFER_SIZE); } result[i_res++] = '\0'; char *res = xbt_malloc(i_res); return memcpy(res, result, i_res); } -static route_extended_t rulebased_get_route(routing_component_t rc, - const char *src, - const char *dst); -static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc) +static void rulebased_get_route_and_latency(AS_t rc, + sg_routing_edge_t src, sg_routing_edge_t dst, + route_t res,double*lat); +static xbt_dynar_t rulebased_get_onelink_routes(AS_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_rulebased_t routing = (routing_component_rulebased_t)rc; + return ret; - xbt_dict_cursor_t c1 = NULL; - char *k1, *d1; + char *k1; //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; - } + sg_routing_edge_t router = NULL; + xbt_lib_cursor_t cursor; + xbt_lib_foreach(as_router_lib, cursor, k1, router) + { + if (router->rc_type == SURF_NETWORK_ELEMENT_ROUTER) + break; } - if (!router){ + if (!router) xbt_die ("rulebased_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 = rulebased_get_route (rc, router, k1); + sg_routing_edge_t host = NULL; + xbt_lib_foreach(as_router_lib, cursor, k1, host){ + route_t route = xbt_new0(s_route_t,1); + route->link_list = xbt_dynar_new(sizeof(sg_routing_link_t),NULL); + rulebased_get_route_and_latency (rc, router, host, route,NULL); - int number_of_links = xbt_dynar_length(route->generic_route.link_list); + int number_of_links = xbt_dynar_length(route->link_list); if(number_of_links == 1) { - //loopback + //loopback } else{ - if (number_of_links != 2) { - xbt_die ("rulebased_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 (number_of_links != 2) { + xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry."); + } + + void *link_ptr; + xbt_dynar_get_cpy (route->link_list, 1, &link_ptr); + onelink_t onelink = xbt_new0 (s_onelink_t, 1); + onelink->src = host; + onelink->dst = router; + onelink->link_ptr = link_ptr; + xbt_dynar_push (ret, &onelink); } } return ret; } /* Business methods */ -static route_extended_t rulebased_get_route(routing_component_t rc, - const char *src, - const char *dst) +static void rulebased_get_route_and_latency(AS_t rc, + sg_routing_edge_t src, sg_routing_edge_t dst, + route_t route, double *lat) { + XBT_DEBUG("rulebased_get_route_and_latency from '%s' to '%s'",src->name,dst->name); xbt_assert(rc && src - && dst, - "Invalid params for \"get_route\" function at AS \"%s\"", - rc->name); + && dst, + "Invalid params for \"get_route\" function at AS \"%s\"", + rc->name); /* set utils vars */ - routing_component_rulebased_t routing = - (routing_component_rulebased_t) rc; + AS_rulebased_t routing = (AS_rulebased_t) rc; + + char* src_name = src->name; + char* dst_name = dst->name; int are_processing_units=0; xbt_dynar_t rule_list; - if (xbt_dict_get_or_null(routing->dict_processing_units, src) - && xbt_dict_get_or_null(routing->dict_processing_units, dst)) { + if ((src->rc_type == SURF_NETWORK_ELEMENT_HOST || src->rc_type == SURF_NETWORK_ELEMENT_ROUTER)&& + (dst->rc_type == SURF_NETWORK_ELEMENT_HOST || dst->rc_type == SURF_NETWORK_ELEMENT_ROUTER)){ are_processing_units = 1; rule_list = routing->list_route; - } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src) - && xbt_dict_get_or_null(routing->dict_autonomous_systems, - dst)) { + } else if (src->rc_type == SURF_NETWORK_ELEMENT_AS && dst->rc_type == SURF_NETWORK_ELEMENT_AS) { are_processing_units = 0; rule_list = routing->list_ASroute; } else - xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found in " - "the local table", src, dst); + THROWF(arg_error,0,"No route from '%s' to '%s'",src_name,dst_name); int rc_src = -1; int rc_dst = -1; - int src_length = (int) strlen(src); - int dst_length = (int) strlen(dst); - - xbt_dynar_t links_list = - xbt_dynar_new(global_routing->size_of_link, NULL); + int src_length = (int) strlen(src_name); + int dst_length = (int) strlen(dst_name); rule_route_t ruleroute; unsigned int cpt; @@ -312,26 +306,28 @@ static route_extended_t rulebased_get_route(routing_component_t rc, _XBT_GNUC_UNUSED int res; xbt_dynar_foreach(rule_list, cpt, ruleroute) { rc_src = - pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0, - ovector_src, OVECCOUNT); + pcre_exec(ruleroute->re_src, NULL, src_name, src_length, 0, 0, + ovector_src, OVECCOUNT); if (rc_src >= 0) { rc_dst = - pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0, - ovector_dst, OVECCOUNT); + pcre_exec(ruleroute->re_dst, NULL, dst_name, dst_length, 0, 0, + ovector_dst, OVECCOUNT); if (rc_dst >= 0) { - res = pcre_get_substring_list(src, ovector_src, rc_src, &list_src); - xbt_assert(!res, "error solving substring list for src \"%s\"", src); - res = pcre_get_substring_list(dst, ovector_dst, rc_dst, &list_dst); - xbt_assert(!res, "error solving substring list for src \"%s\"", dst); + res = pcre_get_substring_list(src_name, ovector_src, rc_src, &list_src); + xbt_assert(!res, "error solving substring list for src \"%s\"", src_name); + res = pcre_get_substring_list(dst_name, ovector_dst, rc_dst, &list_dst); + xbt_assert(!res, "error solving substring list for dst \"%s\"", dst_name); char *link_name; xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) { char *new_link_name = remplace(link_name, list_src, rc_src, list_dst, rc_dst); void *link = - xbt_lib_get_or_null(link_lib, new_link_name, SURF_LINK_LEVEL); - if (link) - xbt_dynar_push(links_list, &link); - else + xbt_lib_get_or_null(link_lib, new_link_name, SURF_LINK_LEVEL); + if (link) { + xbt_dynar_push(route->link_list, &link); + if (lat) + *lat += surf_network_model->extension.network.get_link_latency(link); + } else THROWF(mismatch_error, 0, "Link %s not found", new_link_name); xbt_free(new_link_name); } @@ -341,82 +337,72 @@ static route_extended_t rulebased_get_route(routing_component_t rc, break; } - route_extended_t new_e_route = NULL; if (rc_src >= 0 && rc_dst >= 0) { - new_e_route = xbt_new0(s_route_extended_t, 1); - new_e_route->generic_route.link_list = links_list; - } else if (!strcmp(src, dst) && are_processing_units) { - new_e_route = xbt_new0(s_route_extended_t, 1); - xbt_dynar_push(links_list, &(global_routing->loopback)); - new_e_route->generic_route.link_list = links_list; + /* matched src and dest, nothing more to do (?) */ + } else if (!strcmp(src_name, dst_name) && are_processing_units) { + xbt_dynar_push(route->link_list, &(routing_platf->loopback)); + if (lat) + *lat += surf_network_model->extension.network.get_link_latency(routing_platf->loopback); } else { - xbt_dynar_free(&link_list); + THROWF(arg_error,0,"No route from '%s' to '%s'??",src_name,dst_name); + //xbt_dynar_reset(route->link_list); } - if (!are_processing_units && new_e_route) { + if (!are_processing_units && !xbt_dynar_is_empty(route->link_list)) { rule_route_extended_t ruleroute_extended = (rule_route_extended_t) ruleroute; - new_e_route->src_gateway = - remplace(ruleroute_extended->re_src_gateway, list_src, rc_src, - list_dst, rc_dst); - new_e_route->dst_gateway = - remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src, - list_dst, rc_dst); + char *gw_src_name = remplace(ruleroute_extended->re_src_gateway, list_src, rc_src, + list_dst, rc_dst); + route->src_gateway = sg_routing_edge_by_name_or_null(gw_src_name); + xbt_free(gw_src_name); + + char *gw_dst_name = remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src, + list_dst, rc_dst); + route->dst_gateway = sg_routing_edge_by_name_or_null(gw_dst_name); + xbt_free(gw_dst_name); } if (list_src) pcre_free_substring_list(list_src); if (list_dst) pcre_free_substring_list(list_dst); - - return new_e_route; } -static route_extended_t rulebased_get_bypass_route(routing_component_t rc, - const char *src, - const char *dst) -{ +static route_t rulebased_get_bypass_route(AS_t rc, sg_routing_edge_t src, sg_routing_edge_t dst, double *lat) { return NULL; } -static void rulebased_finalize(routing_component_t rc) +static void rulebased_finalize(AS_t rc) { - routing_component_rulebased_t routing = - (routing_component_rulebased_t) rc; + AS_rulebased_t routing = + (AS_rulebased_t) rc; if (routing) { - xbt_dict_free(&routing->dict_processing_units); - xbt_dict_free(&routing->dict_autonomous_systems); xbt_dynar_free(&routing->list_route); xbt_dynar_free(&routing->list_ASroute); - /* Delete structure */ - xbt_free(routing); + model_generic_finalize(rc); } } /* Creation routing model functions */ -void *model_rulebased_create(void) -{ - routing_component_rulebased_t new_component = - xbt_new0(s_routing_component_rulebased_t, 1); - new_component->generic_routing.set_processing_unit = - model_rulebased_set_processing_unit; - new_component->generic_routing.set_autonomous_system = - model_rulebased_set_autonomous_system; - new_component->generic_routing.set_route = model_rulebased_set_route; - new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute; - new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute; +AS_t model_rulebased_create(void) { + + AS_rulebased_t new_component = (AS_rulebased_t) + model_generic_create_sized(sizeof(s_AS_rulebased_t)); + + new_component->generic_routing.parse_PU = model_rulebased_parse_PU; + new_component->generic_routing.parse_AS = model_rulebased_parse_AS; + new_component->generic_routing.parse_route = model_rulebased_parse_route; + new_component->generic_routing.parse_ASroute = model_rulebased_parse_ASroute; + new_component->generic_routing.parse_bypassroute = model_rulebased_parse_bypassroute; new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes; - new_component->generic_routing.get_route = rulebased_get_route; - new_component->generic_routing.get_latency = generic_get_link_latency; + new_component->generic_routing.get_route_and_latency = rulebased_get_route_and_latency; new_component->generic_routing.get_bypass_route = rulebased_get_bypass_route; new_component->generic_routing.finalize = rulebased_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(); new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free); new_component->list_ASroute = xbt_dynar_new(sizeof(rule_route_extended_t), - &rule_route_extended_free); - return new_component; + &rule_route_extended_free); + + return (AS_t) new_component; }