X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/077cf3f1fdee123e65823b114addc247c15593df..6ea02583071600052a8d20356d211df93a6eec4b:/src/surf/surf_routing.c diff --git a/src/surf/surf_routing.c b/src/surf/surf_routing.c index d8f8b7cfdf..f11bd97a56 100644 --- a/src/surf/surf_routing.c +++ b/src/surf/surf_routing.c @@ -13,7 +13,6 @@ #include "xbt/set.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf"); - //////////////////////////////////////////////////////////////////////////////// // HERE START THE NEW CODE @@ -21,7 +20,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf"); //...... DEBUG ONLY .... // static void print_tree(routing_component_t rc); -static void print_global(); +static void print_global(void); static void print_AS_start(void); static void print_AS_end(void); static void print_host(void); @@ -50,15 +49,12 @@ static void model_floyd_load(void); /* load parse functions for floyd routing static void model_floyd_unload(void); /* unload parse functions for floyd routing model */ static void model_floyd_end(void); /* finalize the creation of floyd routing model */ -static void* model_dijkstra_create(void); /* create structures for dijkstra routing model */ -static void model_dijkstra_load(void); /* load parse functions for dijkstra routing model */ -static void model_dijkstra_unload(void); /* unload parse functions for dijkstra routing model */ -static void model_dijkstra_end(void); /* finalize the creation of dijkstra routing model */ - +static void* model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */ +static void* model_dijkstra_create(void); /* create structures for dijkstra routing model */ static void* model_dijkstracache_create(void); /* create structures for dijkstracache routing model */ -static void model_dijkstracache_load(void); /* load parse functions for dijkstracache routing model */ -static void model_dijkstracache_unload(void); /* unload parse functions for dijkstracache routing model */ -static void model_dijkstracache_end(void); /* finalize the creation of dijkstracache routing model */ +static void model_dijkstra_both_load(void); /* load parse functions for dijkstra routing model */ +static void model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */ +static void model_dijkstra_both_end(void); /* finalize the creation of dijkstra routing model */ static void* model_none_create(void); /* none routing model */ static void model_none_load(void); /* none routing model */ @@ -74,6 +70,7 @@ static void model_none_end(void); /* none routing model */ // SURF_MODEL_NONE // } e_surf_model_type_t; +/* this lines are olny for replace use like index in the model table */ #define SURF_MODEL_FULL 0 #define SURF_MODEL_FLOYD 1 #define SURF_MODEL_DIJKSTRA 2 @@ -87,13 +84,39 @@ struct s_model_type routing_models[] = {"Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)", model_floyd_create, model_floyd_load, model_floyd_unload, model_floyd_end }, {"Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)", - model_dijkstra_create ,model_dijkstra_load, model_dijkstra_unload, model_dijkstra_end }, + model_dijkstra_create ,model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end }, {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)", - model_dijkstracache_create, model_dijkstracache_load, model_dijkstracache_unload, model_dijkstracache_end }, + model_dijkstracache_create, model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end }, {"none", "No routing (usable with Constant network only)", model_none_create, model_none_load, model_none_unload, model_none_end }, {NULL,NULL,NULL,NULL,NULL,NULL}}; +/* ************************************************************************** */ +/* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */ + +static void generic_set_processing_units(routing_component_t rc, const char* name); +static void generic_set_autonomous_system(routing_component_t rc, const char* name); +static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route); +static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route); +static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route); + +/* ************************************************************************** */ +/* *************** GENERIC BUSINESS METHODS (declarations) ****************** */ + +static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst); + +/* ************************************************************************** */ +/* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */ + +static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order); +static void generic_free_extended_route(route_extended_t e_route); +static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element); +static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element); +static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst); + +/* ************************************************************************** */ +/* **************************** GLOBAL FUNCTIONS **************************** */ + /* global parse functions */ static char* src = NULL; /* temporary store the source name of a route */ @@ -109,9 +132,8 @@ static void parse_S_host(void) { if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE; xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,A_surfxml_host_id), "Reading a host, processing unit \"%s\" already exist",A_surfxml_host_id); -// FIXME: checked by parser -// xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE, -// "Bad declaration of processing unit \"%s\"",A_surfxml_host_id); + xbt_assert1(current_routing->set_processing_units, + "no defined method \"set_processing_units\" in \"%s\"",current_routing->name); (*(current_routing->set_processing_units))(current_routing,A_surfxml_host_id); xbt_dict_set(global_routing->where_network_elements,A_surfxml_host_id,(void*)current_routing,NULL); } @@ -123,9 +145,8 @@ static void parse_S_router(void) { if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE; xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,A_surfxml_router_id), "Reading a router, processing unit \"%s\" already exist",A_surfxml_router_id); -// FIXME: checked by parser -// xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE, -// "Bad declaration of processing unit \"%s\"",A_surfxml_host_id); + xbt_assert1(current_routing->set_processing_units, + "no defined method \"set_processing_units\" in \"%s\"",current_routing->name); (*(current_routing->set_processing_units))(current_routing,A_surfxml_router_id); xbt_dict_set(global_routing->where_network_elements,A_surfxml_router_id,(void*)current_routing,NULL); } @@ -134,9 +155,6 @@ static void parse_S_router(void) { * \brief Set the endponints for a route */ static void parse_S_route_new_and_endpoints(void) { - // FIXME: checked by parser -// xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE, -// "Bad declaration of route in \"%s\"",current_routing->name); if( src != NULL && dst != NULL && link_list != NULL ) THROW2(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; @@ -148,9 +166,6 @@ static void parse_S_route_new_and_endpoints(void) { * \brief Set the endponints and gateways for a ASroute */ static void parse_S_ASroute_new_and_endpoints(void) { -// FIXME: checked by parser -// xbt_assert1(current_routing->hierarchy==SURF_ROUTING_RECURSIVE, -// "Bad declaration of ASroute in \"%s\"",current_routing->name); if( src != NULL && dst != NULL && link_list != NULL ) THROW2(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; @@ -160,6 +175,19 @@ static void parse_S_ASroute_new_and_endpoints(void) { link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref); } +/** + * \brief Set the endponints for a bypassRoute + */ +static void parse_S_bypassRoute_new_and_endpoints(void) { + if( src != NULL && dst != NULL && link_list != NULL ) + THROW2(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; + 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 */ @@ -170,15 +198,15 @@ static void parse_E_link_c_ctn_new_elem(void) { } /** - * \brief Store de route by calling the set_route function of the current routing component + * \brief Store the route by calling the set_route function of the current routing component */ static void parse_E_route_store_route(void) { -// FIXME: checked by parser -// xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE, -// "Bad declaration of route in \"%s\"",current_routing->name); - route_t route = xbt_new(s_route_t,1); + route_t route = xbt_new0(s_route_t,1); route->link_list = link_list; - // TODO check if are correct + //TODO: NULL? + xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src); + xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst); + xbt_assert1(current_routing->set_route,"no defined method \"set_route\" in \"%s\"",current_routing->name); (*(current_routing->set_route))(current_routing,src,dst,route); link_list = NULL; src = NULL; @@ -186,17 +214,19 @@ static void parse_E_route_store_route(void) { } /** - * \brief Store de ASroute by calling the set_ASroute function of the current routing component + * \brief Store the ASroute by calling the set_ASroute function of the current routing component */ static void parse_E_ASroute_store_route(void) { -// FIXME: checked by parser -// xbt_assert1(current_routing->hierarchy==SURF_ROUTING_RECURSIVE, -// "Bad declaration of ASroute in \"%s\"",current_routing->name); - route_extended_t e_route = xbt_new(s_route_extended_t,1); + 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); - // TODO check if are correct + //TODO: NULL? + xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src); + xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst); + xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src); + xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst); + xbt_assert1(current_routing->set_ASroute,"no defined method \"set_ASroute\" in \"%s\"",current_routing->name); (*(current_routing->set_ASroute))(current_routing,src,dst,e_route); link_list = NULL; src = NULL; @@ -205,6 +235,28 @@ static void parse_E_ASroute_store_route(void) { gw_dst = NULL; } +/** + * \brief Store the bypass route by calling the set_bypassroute function of the current routing component + */ +static void parse_E_bypassRoute_store_route(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); + //TODO: NULL? + xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src); + xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst); + xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src); + xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst); + xbt_assert1(current_routing->set_bypassroute,"no defined method \"set_bypassroute\" in \"%s\"",current_routing->name); + (*(current_routing->set_bypassroute))(current_routing,src,dst,e_route); + link_list = NULL; + src = NULL; + dst = NULL; + gw_src = NULL; + gw_dst = NULL; +} + /** * \brief Make a new routing component * @@ -231,19 +283,6 @@ static void parse_S_AS(void) { /* make a new routing component */ new_routing = (routing_component_t)(*(model->create))(); - - /* FIXME: for now, if I forget to declare */ - xbt_assert1( new_routing->set_processing_units, - "Bad routing type, \"set_processing_units\" is not declared for \"%s\"",A_surfxml_AS_id); - xbt_assert1( new_routing->set_autonomous_system, - "Bad routing type, \"set_autonomous_system\" is not declared for \"%s\"",A_surfxml_AS_id); - xbt_assert1( new_routing->set_route, - "Bad routing type, \"set_route\" is not declared for \"%s\"",A_surfxml_AS_id); - xbt_assert1( new_routing->set_ASroute, - "Bad routing type, \"set_ASroute\" is not declared for \"%s\"",A_surfxml_AS_id); - xbt_assert1( new_routing->finalize, - "Bad routing type, \"finalize\" is not declared for \"%s\"",A_surfxml_AS_id); - new_routing->routing = model; new_routing->hierarchy = SURF_ROUTING_NULL; new_routing->name = xbt_strdup(A_surfxml_AS_id); @@ -264,9 +303,6 @@ static void parse_S_AS(void) { new_routing->routing_father = current_routing; /* set the father behavior */ if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_RECURSIVE; -// FIXME: checked by parser -// xbt_assert1(current_routing->hierarchy==SURF_ROUTING_RECURSIVE, -// "Bad declaration of AS \"%s\"",A_surfxml_AS_id); /* add to the sons dictionary */ xbt_dict_set(current_routing->routing_sons,A_surfxml_AS_id,(void*)new_routing,NULL); /* add to the father element list */ @@ -294,6 +330,7 @@ static void parse_E_AS(void) { if( current_routing == NULL ) { THROW1(arg_error,0,"Close AS(%s), that never open",A_surfxml_AS_id); } else { + xbt_dict_set(global_routing->where_network_elements,current_routing->name,current_routing->routing_father,NULL); (*(current_routing->routing->unload))(); (*(current_routing->routing->end))(); current_routing = current_routing->routing_father; @@ -302,34 +339,6 @@ static void parse_E_AS(void) { } } -/** - * \brief Recursive function for add the differents AS to global dict of network element - * - * This fuction is call by "parse_E_platform_add_parse_AS". It allow to add the - * AS or routing components, to the where_network_elements dictionary. In the same - * way as "parse_S_host", "parse_S_router" and "parse_S_gateway" do. - */ -static void _add_parse_AS(routing_component_t rc) { - xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,rc->name), - "The AS \"%s\" already exist",rc->name); - xbt_dict_set(global_routing->where_network_elements,rc->name,rc->routing_father,NULL); - xbt_dict_cursor_t cursor = NULL; - char *key; - routing_component_t elem; - xbt_dict_foreach(rc->routing_sons, cursor, key, elem) { - _add_parse_AS(elem); - } -} - -/** - * \brief Add all "AS" to the global dict of network element - * - * Allows find a "AS" in any routing component - */ -static void parse_E_platform_add_parse_AS(void) { - _add_parse_AS(global_routing->root); -} - /* Aux Business methods */ /** @@ -448,6 +457,7 @@ static route_extended_t _get_route(const char* src,const char* dst) { if( strcmp(src,dst) ){ e_route_cnt = (*(common_father->get_route))(common_father,src,dst); + xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src,dst); xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) { xbt_dynar_push(e_route->generic_route.link_list,&link); } @@ -456,39 +466,48 @@ static route_extended_t _get_route(const char* src,const char* dst) { } } else { /* SURF_ROUTING_RECURSIVE */ + + route_extended_t e_route_bypass = (*(common_father->get_bypass_route))(common_father,src,dst); + if(e_route_bypass) + e_route_cnt = e_route_bypass; + else e_route_cnt = (*(common_father->get_route))(common_father,src_father->name,dst_father->name); - - xbt_assert2( (e_route_cnt->src_gateway==NULL) == (e_route_cnt->dst_gateway==NULL) , - "bad gateway for route between \"%s\" and \"%s\"",src,dst); + + xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src_father->name,dst_father->name); - if( src != e_route_cnt->src_gateway ) { - e_route_src = _get_route(src,e_route_cnt->src_gateway); - xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) { - xbt_dynar_push(e_route->generic_route.link_list,&link); - } - } - - xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) { + xbt_assert2( (e_route_cnt->src_gateway==NULL) == (e_route_cnt->dst_gateway==NULL) , + "bad gateway for route between \"%s\" and \"%s\"",src,dst); + + if( src != e_route_cnt->src_gateway ) { + e_route_src = _get_route(src,e_route_cnt->src_gateway); + xbt_assert2(e_route_src,"no route between \"%s\" and \"%s\"",src,e_route_cnt->src_gateway); + xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) { xbt_dynar_push(e_route->generic_route.link_list,&link); } - - if( e_route_cnt->dst_gateway != dst ) { - e_route_dst = _get_route(e_route_cnt->dst_gateway,dst); - xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) { - xbt_dynar_push(e_route->generic_route.link_list,&link); - } + } + + xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) { + xbt_dynar_push(e_route->generic_route.link_list,&link); + } + + if( e_route_cnt->dst_gateway != dst ) { + e_route_dst = _get_route(e_route_cnt->dst_gateway,dst); + xbt_assert2(e_route_dst,"no route between \"%s\" and \"%s\"",e_route_cnt->dst_gateway,dst); + xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) { + xbt_dynar_push(e_route->generic_route.link_list,&link); } - - e_route->src_gateway = e_route_cnt->src_gateway; - e_route->dst_gateway = e_route_cnt->dst_gateway; - - xbt_dynar_free( &(e_route_src->generic_route.link_list) ); - xbt_free(e_route_src); - xbt_dynar_free( &(e_route_cnt->generic_route.link_list) ); - xbt_free(e_route_cnt); - xbt_dynar_free( &(e_route_dst->generic_route.link_list) ); - xbt_free(e_route_dst); + } + + e_route->src_gateway = e_route_cnt->src_gateway; + e_route->dst_gateway = e_route_cnt->dst_gateway; + + xbt_dynar_free( &(e_route_src->generic_route.link_list) ); + xbt_free(e_route_src); + xbt_dynar_free( &(e_route_cnt->generic_route.link_list) ); + xbt_free(e_route_cnt); + xbt_dynar_free( &(e_route_dst->generic_route.link_list) ); + xbt_free(e_route_dst); } xbt_dynar_free(&elem_father_list); @@ -518,6 +537,7 @@ static xbt_dynar_t get_route(const char* src,const char* dst) { else e_route = (*(common_father->get_route))(common_father,src,dst); + xbt_assert2(e_route,"no route between \"%s\" and \"%s\"",src,dst); global_routing->last_route = e_route->generic_route.link_list; xbt_free(e_route); @@ -549,6 +569,7 @@ static void _finalize(routing_component_t rc) { char* tmp_name = rc->name; xbt_dict_free(&tmp_sons); xbt_free(tmp_name); + xbt_assert1(rc->finalize,"no defined method \"finalize\" in \"%s\"",current_routing->name); (*(rc->finalize))(rc); } } @@ -596,35 +617,23 @@ void routing_model_create(size_t size_of_links, void* loopback) { surfxml_add_callback(STag_surfxml_route_cb_list, &parse_S_route_new_and_endpoints); surfxml_add_callback(STag_surfxml_ASroute_cb_list, &parse_S_ASroute_new_and_endpoints); + surfxml_add_callback(STag_surfxml_bypassRoute_cb_list, &parse_S_bypassRoute_new_and_endpoints); surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_E_link_c_ctn_new_elem); surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_E_route_store_route); surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &parse_E_ASroute_store_route); + surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list, &parse_E_bypassRoute_store_route); surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS); surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS); - /* set all the as in the global where table (recursive fuction) */ - surfxml_add_callback(ETag_surfxml_platform_cb_list, &parse_E_platform_add_parse_AS); - /* DEBUG ONLY */ //surfxml_add_callback(ETag_surfxml_platform_cb_list, &DEBUG_exit); + + // TODO checked if ANY AS are duplicated } -/* ************************************************************************** */ -/* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */ - -static void generic_set_processing_units(routing_component_t rc, const char* name); -static void generic_set_autonomous_system(routing_component_t rc, const char* name); -static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route); -static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route); - -/* ************************************************************************** */ -/* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */ - -static route_extended_t generic_new_extended_route(routing_component_t rc, void* data); - /* ************************************************************************** */ /* *************************** FULL ROUTING ********************************* */ @@ -636,36 +645,31 @@ typedef struct { s_routing_component_t generic_routing; xbt_dict_t parse_routes; /* store data during the parse process */ xbt_dict_t to_index; /* char* -> network_element_t */ + xbt_dict_t bypassRoutes; route_extended_t *routing_table; } s_routing_component_full_t,*routing_component_full_t; /* Business methods */ static route_extended_t full_get_route(routing_component_t rc, const char* src,const char* dst) { - + xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name); + + /* set utils vars */ routing_component_full_t routing = (routing_component_full_t)rc; int table_size = xbt_dict_length(routing->to_index); - xbt_assert1(src && dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name); - - routing_component_t src_as, dst_as; - int *src_id,*dst_id; - - src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src); - dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst); - - xbt_assert3(src_as != NULL && dst_as != NULL, "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",src,dst,rc->name); - xbt_assert4(src_as == dst_as, "The src(%s in %s) and dst(%s in %s) are in differents AS",src,src_as->name,dst,dst_as->name); - xbt_assert2(rc == dst_as, "The routing component of src and dst is not the same as the network elements belong (%s==%s)",rc->name,dst_as->name); - - src_id = xbt_dict_get(routing->to_index,src); - dst_id = xbt_dict_get(routing->to_index,dst); + generic_src_dst_check(rc,src,dst); + int *src_id = xbt_dict_get_or_null(routing->to_index,src); + int *dst_id = xbt_dict_get_or_null(routing->to_index,dst); xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst); - + + route_extended_t e_route = NULL; + route_extended_t new_e_route = NULL; void* link; unsigned int cpt=0; - route_extended_t new_e_route; - route_extended_t e_route = TO_ROUTE_FULL(*src_id,*dst_id); + + e_route = TO_ROUTE_FULL(*src_id,*dst_id); + if(e_route) { new_e_route = xbt_new0(s_route_extended_t,1); new_e_route->src_gateway = e_route->src_gateway; @@ -674,10 +678,8 @@ static route_extended_t full_get_route(routing_component_t rc, const char* src,c xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) { xbt_dynar_push(new_e_route->generic_route.link_list,&link); } - } else { - new_e_route = NULL; } - return new_e_route; + return new_e_route; } static void full_finalize(routing_component_t rc) { @@ -686,18 +688,12 @@ static void full_finalize(routing_component_t rc) { int i,j; if (routing) { /* Delete routing table */ - for (i=0;igeneric_route.link_list)); - if(e_route->src_gateway) xbt_free(e_route->src_gateway); - if(e_route->dst_gateway) xbt_free(e_route->dst_gateway); - xbt_free(e_route); - } - } - } + for (i=0;irouting_table); + /* Delete bypass dict */ + xbt_dict_free(&routing->bypassRoutes); /* Delete index dict */ xbt_dict_free(&(routing->to_index)); /* Delete structure */ @@ -707,32 +703,35 @@ static void full_finalize(routing_component_t rc) { /* Creation routing model functions */ -static void* model_full_create() { +static void* model_full_create(void) { routing_component_full_t new_component = xbt_new0(s_routing_component_full_t,1); new_component->generic_routing.set_processing_units = generic_set_processing_units; new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system; new_component->generic_routing.set_route = generic_set_route; new_component->generic_routing.set_ASroute = generic_set_ASroute; + new_component->generic_routing.set_bypassroute = generic_set_bypassroute; new_component->generic_routing.get_route = full_get_route; + new_component->generic_routing.get_bypass_route = generic_get_bypassroute; new_component->generic_routing.finalize = full_finalize; new_component->to_index = xbt_dict_new(); + new_component->bypassRoutes = xbt_dict_new(); new_component->parse_routes = xbt_dict_new(); return new_component; } -static void model_full_load() { +static void model_full_load(void) { /* use "surfxml_add_callback" to add a parse function call */ } -static void model_full_unload() { +static void model_full_unload(void) { /* use "surfxml_del_callback" to remove a parse function call */ } -static void model_full_end() { +static void model_full_end(void) { - char *key, *src_name, *dst_name; + char *key, *end; //*src_name, *dst_name const char* sep = "#"; - int *src_id, *dst_id; + int src_id, dst_id; unsigned int i, j; route_t route; route_extended_t e_route; @@ -750,20 +749,10 @@ static void model_full_end() { /* Put the routes in position */ xbt_dict_foreach(routing->parse_routes, cursor, key, data) { - keys = xbt_str_split_str(key, sep); - - src_name = xbt_dynar_get_as(keys, 0, char*); - dst_name = xbt_dynar_get_as(keys, 1, char*); - - src_id = xbt_dict_get_or_null(routing->to_index, src_name); - dst_id = xbt_dict_get_or_null(routing->to_index, dst_name); - - if (src_id == NULL || dst_id == NULL ) - THROW2(mismatch_error,0,"Network elements %s or %s not found", src_name, dst_name); - - TO_ROUTE_FULL(*src_id,*dst_id) = generic_new_extended_route(current_routing,data); - + src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10); + dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10); + TO_ROUTE_FULL(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,1); xbt_dynar_free(&keys); } @@ -778,15 +767,17 @@ static void model_full_end() { xbt_dict_free(&(routing->parse_routes)); /* Add the loopback if needed */ - for (i = 0; i < table_size; i++) { - e_route = TO_ROUTE_FULL(i, i); - if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list) - e_route = xbt_new0(s_route_extended_t,1); - e_route->src_gateway = NULL; - e_route->dst_gateway = NULL; - e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); - xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback); - TO_ROUTE_FULL(i, i) = e_route; + if(current_routing->hierarchy == SURF_ROUTING_BASE) { + for (i = 0; i < table_size; i++) { + e_route = TO_ROUTE_FULL(i, i); + if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list) + e_route = xbt_new0(s_route_extended_t,1); + e_route->src_gateway = NULL; + e_route->dst_gateway = NULL; + e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); + xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback); + TO_ROUTE_FULL(i, i) = e_route; + } } } @@ -812,6 +803,7 @@ typedef struct { int *predecessor_table; route_extended_t *link_table; /* char* -> int* */ xbt_dict_t to_index; + xbt_dict_t bypassRoutes; /* store data during the parse process */ xbt_dict_t parse_routes; } s_routing_component_floyd_t,*routing_component_floyd_t; @@ -819,22 +811,23 @@ typedef struct { /* Business methods */ static route_extended_t floyd_get_route(routing_component_t rc, const char* src,const char* dst) { - - xbt_assert1(src && dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name); + xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name); /* set utils vars */ routing_component_floyd_t routing = (routing_component_floyd_t) rc; int table_size = xbt_dict_length(routing->to_index); + generic_src_dst_check(rc,src,dst); + int *src_id = xbt_dict_get_or_null(routing->to_index,src); + int *dst_id = xbt_dict_get_or_null(routing->to_index,dst); + xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst); + + /* create a result route */ route_extended_t new_e_route = xbt_new0(s_route_extended_t,1); new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); new_e_route->src_gateway = NULL; new_e_route->dst_gateway = NULL; - int *src_id = xbt_dict_get(routing->to_index,src); - int *dst_id = xbt_dict_get(routing->to_index,dst); - xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst); - int first = 1; int pred = *dst_id; int prev_pred = 0; @@ -842,7 +835,7 @@ static route_extended_t floyd_get_route(routing_component_t rc, const char* src, unsigned int cpt; void* link; xbt_dynar_t links; - route_extended_t e_route_as_to_as; + do { prev_pred = pred; pred = TO_FLOYD_PRED(*src_id, pred); @@ -857,23 +850,30 @@ static route_extended_t floyd_get_route(routing_component_t rc, const char* src, gw_src = e_route->src_gateway; gw_dst = e_route->dst_gateway; - if(first) first_gw = gw_src; + if(first) first_gw = gw_dst; - if(rc->hierarchy == SURF_ROUTING_RECURSIVE && !first && strcmp(prev_gw_dst,gw_src)) { - - routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_dst); - routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_src); - xbt_assert2(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\"",src,dst); - e_route_as_to_as = (*(src_as->get_route))(src_as,prev_gw_dst,gw_src); - links = e_route_as_to_as->generic_route.link_list; + if(rc->hierarchy == SURF_ROUTING_RECURSIVE && !first && strcmp(gw_dst,prev_gw_src)) { + //routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_dst); + //routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_src); + //xbt_assert4(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\" (\"%s\"-\"%s\")",src,dst,gw_dst,prev_gw_src); + //route_extended_t e_route_as_to_as = (*(src_as->get_route))(src_as,gw_dst,prev_gw_src); + // TODO: - check for error - is possible to generate a route like = as----as----as + xbt_dynar_t e_route_as_to_as = (*(global_routing->get_route))(gw_dst,prev_gw_src); + xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src); + //links = e_route_as_to_as->generic_route.link_list; + links = e_route_as_to_as; + int pos = 0; xbt_dynar_foreach(links, cpt, link) { - xbt_dynar_push(new_e_route->generic_route.link_list,&link); + xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link); + pos++; } +// xbt_dynar_free(&(e_route_as_to_as->generic_route.link_list)); +// xbt_free(e_route_as_to_as); } links = e_route->generic_route.link_list; xbt_dynar_foreach(links, cpt, link) { - xbt_dynar_push(new_e_route->generic_route.link_list,&link); + xbt_dynar_unshift(new_e_route->generic_route.link_list,&link); } first=0; @@ -881,8 +881,8 @@ static route_extended_t floyd_get_route(routing_component_t rc, const char* src, xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")", *src_id, *dst_id,src,dst); if(rc->hierarchy == SURF_ROUTING_RECURSIVE) { - new_e_route->src_gateway = first_gw; - new_e_route->dst_gateway = gw_dst; + new_e_route->src_gateway = gw_src; + new_e_route->dst_gateway = first_gw; } return new_e_route; @@ -894,18 +894,12 @@ static void floyd_finalize(routing_component_t rc) { if (routing) { table_size = xbt_dict_length(routing->to_index); /* Delete link_table */ - for (i=0;igeneric_route.link_list)); - if(e_route->src_gateway) xbt_free(e_route->src_gateway); - if(e_route->dst_gateway) xbt_free(e_route->dst_gateway); - xbt_free(e_route); - } - } - } + for (i=0;ilink_table); + /* Delete bypass dict */ + xbt_dict_free(&routing->bypassRoutes); /* Delete index dict */ xbt_dict_free(&(routing->to_index)); /* Delete dictionary index dict, predecessor and links table */ @@ -921,30 +915,33 @@ static void* model_floyd_create(void) { new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system; new_component->generic_routing.set_route = generic_set_route; new_component->generic_routing.set_ASroute = generic_set_ASroute; + new_component->generic_routing.set_bypassroute = generic_set_bypassroute; new_component->generic_routing.get_route = floyd_get_route; + new_component->generic_routing.get_bypass_route = generic_get_bypassroute; new_component->generic_routing.finalize = floyd_finalize; new_component->to_index = xbt_dict_new(); + new_component->bypassRoutes = xbt_dict_new(); new_component->parse_routes = xbt_dict_new(); return new_component; } -static void model_floyd_load() { +static void model_floyd_load(void) { /* use "surfxml_add_callback" to add a parse function call */ } -static void model_floyd_unload() { +static void model_floyd_unload(void) { /* use "surfxml_del_callback" to remove a parse function call */ } -static void model_floyd_end() { +static void model_floyd_end(void) { routing_component_floyd_t routing = ((routing_component_floyd_t)current_routing); xbt_dict_cursor_t cursor = NULL; double * cost_table; - char *key,*data, *src_name, *dst_name; + char *key,*data, *end; //*src_name, *dst_name; const char *sep = "#"; xbt_dynar_t keys; - int *src_id, *dst_id; + int src_id, dst_id; unsigned int i,j,a,b,c; /* set the size of inicial table */ @@ -960,47 +957,37 @@ static void model_floyd_end() { for(j = 0; jparse_routes, cursor, key, data) { - keys = xbt_str_split_str(key, sep); - - src_name = xbt_dynar_get_as(keys, 0, char*); - dst_name = xbt_dynar_get_as(keys, 1, char*); - - src_id = xbt_dict_get_or_null(routing->to_index, src_name); - dst_id = xbt_dict_get_or_null(routing->to_index, dst_name); - - if (src_id == NULL || dst_id == NULL ) - THROW2(mismatch_error,0,"Network elements %s or %s not found", src_name, dst_name); - - TO_FLOYD_LINK(*src_id,*dst_id) = generic_new_extended_route(current_routing,data); - TO_FLOYD_PRED(*src_id,*dst_id) = *src_id; - + src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10); + dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10); + TO_FLOYD_LINK(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,0); + TO_FLOYD_PRED(src_id,dst_id) = src_id; //link cost - TO_FLOYD_COST(*src_id,*dst_id) = 1; // assume 1 for now - + TO_FLOYD_COST(src_id,dst_id) = ((TO_FLOYD_LINK(src_id,dst_id))->generic_route.link_list)->used; // assume 1 for now // TODO DAVID REDO xbt_dynar_free(&keys); } /* Add the loopback if needed */ - for (i = 0; i < table_size; i++) { - route_extended_t e_route = TO_FLOYD_LINK(i, i); - if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list) - e_route = xbt_new0(s_route_extended_t,1); - e_route->src_gateway = NULL; - e_route->dst_gateway = NULL; - e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); - xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback); - TO_FLOYD_LINK(i,i) = e_route; - TO_FLOYD_PRED(i,i) = i; - TO_FLOYD_COST(i,i) = 1; + if(current_routing->hierarchy == SURF_ROUTING_BASE) { + for (i = 0; i < table_size; i++) { + route_extended_t e_route = TO_FLOYD_LINK(i, i); + if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list) + e_route = xbt_new0(s_route_extended_t,1); + e_route->src_gateway = NULL; + e_route->dst_gateway = NULL; + e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); + xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback); + TO_FLOYD_LINK(i,i) = e_route; + TO_FLOYD_PRED(i,i) = i; + TO_FLOYD_COST(i,i) = 1; + } } } - //Calculate path costs for(c=0;cparse_routes)); //cleanup - free(cost_table); + xbt_free(cost_table); } /* ************************************************************************** */ @@ -1035,45 +1022,440 @@ static void model_floyd_end() { typedef struct { s_routing_component_t generic_routing; - xbt_graph_t route_graph; - xbt_dict_t graph_node_map; - xbt_dict_t route_cache; - xbt_dynar_t last_route; + xbt_dict_t to_index; + xbt_dict_t bypassRoutes; + xbt_graph_t route_graph; /* xbt_graph */ + xbt_dict_t graph_node_map; /* map */ + xbt_dict_t route_cache; /* use in cache mode */ int cached; + xbt_dict_t parse_routes; } s_routing_component_dijkstra_t,*routing_component_dijkstra_t; -/* Parse routing model functions */ -/* Business methods */ +typedef struct graph_node_data { + int id; + int graph_id; //used for caching internal graph id's +} s_graph_node_data_t, * graph_node_data_t; -/* Creation routing model functions */ +typedef struct graph_node_map_element { + xbt_node_t node; +} s_graph_node_map_element_t, * graph_node_map_element_t; -static void* model_dijkstra_create() { - return NULL; +typedef struct route_cache_element { + int * pred_arr; + int size; +} s_route_cache_element_t, * route_cache_element_t; + +/* Free functions */ + +static void route_cache_elem_free(void *e) { + route_cache_element_t elm=(route_cache_element_t)e; + if (elm) { + xbt_free(elm->pred_arr); + xbt_free(elm); + } } -static void model_dijkstra_load() { +static void graph_node_map_elem_free(void *e) { + graph_node_map_element_t elm = (graph_node_map_element_t)e; + if(elm) { + xbt_free(elm); + } } -static void model_dijkstra_unload() { +static void graph_edge_data_free(void *e) { + route_extended_t e_route = (route_extended_t)e; + if(e_route) { + xbt_dynar_free(&(e_route->generic_route.link_list)); + if(e_route->src_gateway) xbt_free(e_route->src_gateway); + if(e_route->dst_gateway) xbt_free(e_route->dst_gateway); + xbt_free(e_route); + } } -static void model_dijkstra_end() { +/* Utility functions */ + +static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc, int id, int graph_id) { + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc; + xbt_node_t node = NULL; + graph_node_data_t data = NULL; + graph_node_map_element_t elm = NULL; + + data = xbt_new0(struct graph_node_data, 1); // FIXED by david + data->id = id; + data->graph_id = graph_id; + node = xbt_graph_new_node(routing->route_graph, data); + + elm = xbt_new0(struct graph_node_map_element, 1); // FIXED by david + 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); + + return node; +} + +static graph_node_map_element_t graph_node_map_search(routing_component_dijkstra_t rc, int id) { + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc; + graph_node_map_element_t elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&id), sizeof(int)); + return elm; } -static void* model_dijkstracache_create() { - return NULL; +/* Parsing */ + +static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id, int dst_id, route_extended_t e_route ) { + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc; + + xbt_node_t src = NULL; + xbt_node_t dst = NULL; + graph_node_map_element_t src_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&src_id), sizeof(int)); + graph_node_map_element_t dst_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&dst_id), sizeof(int)); + + if(src_elm) + src = src_elm->node; + + if(dst_elm) + dst = dst_elm->node; + + //add nodes if they don't exist in the graph + if(src_id == dst_id && src == NULL && dst == NULL) { + src = route_graph_new_node(rc,src_id, -1); + dst = src; + } else { + if(src == NULL) { + src = route_graph_new_node(rc,src_id, -1); + } + if(dst == NULL) { + dst = route_graph_new_node(rc,dst_id, -1); + } + } + + //add link as edge to graph + xbt_graph_new_edge(routing->route_graph, src, dst, e_route); } -static void model_dijkstracache_load() { +static void add_loopback_dijkstra(routing_component_dijkstra_t rc) { + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc; + + xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph); + + xbt_node_t node = NULL; + unsigned int cursor2; + xbt_dynar_foreach(nodes, cursor2, node) { + xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node); + xbt_edge_t edge = NULL; + unsigned int cursor; + + int found = 0; + xbt_dynar_foreach(out_edges, cursor, edge) { + xbt_node_t other_node = xbt_graph_edge_get_target(edge); + if(other_node == node) { + found = 1; + break; + } + } + + if(!found) { + route_extended_t e_route = xbt_new0(s_route_extended_t,1); + e_route->src_gateway = NULL; + e_route->dst_gateway = NULL; + e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); + xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback); + xbt_graph_new_edge(routing->route_graph, node, node, e_route); + } + } } -static void model_dijkstracache_unload() { +/* Business methods */ + +static route_extended_t dijkstra_get_route(routing_component_t rc, const char* src,const char* dst) { + xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name); + + /* set utils vars */ + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc; + + generic_src_dst_check(rc,src,dst); + int *src_id = xbt_dict_get_or_null(routing->to_index,src); + int *dst_id = xbt_dict_get_or_null(routing->to_index,dst); + xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst); + + /* create a result route */ + route_extended_t new_e_route = xbt_new0(s_route_extended_t,1); + new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); + new_e_route->src_gateway = NULL; + new_e_route->dst_gateway = NULL; + + int *pred_arr = NULL; + int src_node_id = 0; + int dst_node_id = 0; + int * nodeid = NULL; + int v; + route_extended_t e_route; + int size = 0; + unsigned int cpt; + void* link; + xbt_dynar_t links = 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(routing,*src_id); + graph_node_map_element_t dst_elm = graph_node_map_search(routing,*dst_id); + xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", *src_id, *dst_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; + + /* if the src and dst are the same */ // FIXED by david + if( src_node_id == dst_node_id ) { + + xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t); + xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t); + xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v); + + xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id); + + e_route = (route_extended_t)xbt_graph_edge_get_data(edge); + + links = e_route->generic_route.link_list; + xbt_dynar_foreach(links, cpt, link) { + xbt_dynar_unshift(new_e_route->generic_route.link_list,&link); + } + + return new_e_route; + } + + 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)); + } + + if(elm) { //cached mode and cache hit + pred_arr = elm->pred_arr; + } else { //not cached mode or cache miss + double * cost_arr = NULL; + xbt_heap_t pqueue = NULL; + int i = 0; + + int nr_nodes = xbt_dynar_length(nodes); + cost_arr = xbt_new0(double, nr_nodes); // link cost from src to other hosts + pred_arr = xbt_new0(int, nr_nodes); // predecessors in path from src + pqueue = xbt_heap_new(nr_nodes, xbt_free); + + //initialize + cost_arr[src_node_id] = 0.0; + + for(i = 0; i < nr_nodes; i++) { + if(i != src_node_id) { + cost_arr[i] = DBL_MAX; + } + + pred_arr[i] = 0; + + //initialize priority queue + nodeid = xbt_new0(int, 1); + *nodeid = i; + xbt_heap_push(pqueue, nodeid, cost_arr[i]); + + } + + // apply dijkstra using the indexes from the graph's node array + while(xbt_heap_size(pqueue) > 0) { + int * v_id = xbt_heap_pop(pqueue); + xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t); + xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node); + xbt_edge_t edge = NULL; + unsigned int cursor; + + xbt_dynar_foreach(out_edges, cursor, edge) { + xbt_node_t u_node = xbt_graph_edge_get_target(edge); + graph_node_data_t data = xbt_graph_node_get_data(u_node); + int u_id = data->graph_id; + route_extended_t tmp_e_route = (route_extended_t)xbt_graph_edge_get_data(edge); // added TODO DAVID REDO + int cost_v_u = (tmp_e_route->generic_route.link_list)->used; //fixed link cost for now // TODO DAVID REDO + + 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]; + nodeid = xbt_new0(int, 1); + *nodeid = u_id; + xbt_heap_push(pqueue, nodeid, cost_arr[u_id]); + } + } + + //free item popped from pqueue + xbt_free(v_id); + } + + xbt_free(cost_arr); + xbt_heap_free(pqueue); + } + + //compose route path with links + char *gw_src,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw; + + 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); + xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v); + + xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id); + + prev_gw_src = gw_src; + prev_gw_dst = gw_dst; + + e_route = (route_extended_t)xbt_graph_edge_get_data(edge); + gw_src = e_route->src_gateway; + gw_dst = e_route->dst_gateway; + + if(v==dst_node_id) first_gw = gw_dst; + + if(rc->hierarchy == SURF_ROUTING_RECURSIVE && v!=dst_node_id && strcmp(gw_dst,prev_gw_src)) { + //routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_dst); + //routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_src); + //xbt_assert4(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\" (\"%s\"-\"%s\")",src,dst,gw_dst,prev_gw_src); + //route_extended_t e_route_as_to_as = (*(src_as->get_route))(src_as,gw_dst,prev_gw_src); + // TODO: - check for error - is possible to generate a route like = as----as----as + xbt_dynar_t e_route_as_to_as = (*(global_routing->get_route))(gw_dst,prev_gw_src); + xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src); + //links = e_route_as_to_as->generic_route.link_list; + links = e_route_as_to_as; + int pos = 0; + xbt_dynar_foreach(links, cpt, link) { + xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link); + pos++; + } +// xbt_dynar_free(&(e_route_as_to_as->generic_route.link_list)); +// xbt_free(e_route_as_to_as); + } + + links = e_route->generic_route.link_list; + xbt_dynar_foreach(links, cpt, link) { + xbt_dynar_unshift(new_e_route->generic_route.link_list,&link); + } + size++; + } + + if(rc->hierarchy == SURF_ROUTING_RECURSIVE) { + new_e_route->src_gateway = gw_src; + new_e_route->dst_gateway = first_gw; + } + + if(routing->cached && elm == NULL) { + //add to predecessor list of the current src-host to cache + elm = xbt_new0(struct route_cache_element, 1); // FIXED by david + elm->pred_arr = pred_arr; + elm->size = size; + xbt_dict_set_ext(routing->route_cache, (char*)(&src_id), sizeof(int), (xbt_set_elm_t)elm, &route_cache_elem_free); + } + + if(!routing->cached) + xbt_free(pred_arr); + + return new_e_route; } -static void model_dijkstracache_end() { +static void dijkstra_finalize(routing_component_t rc) { + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc; + + if (routing) { + xbt_graph_free_graph(routing->route_graph, &xbt_free, &graph_edge_data_free, &xbt_free); + xbt_dict_free(&routing->graph_node_map); + if(routing->cached) + xbt_dict_free(&routing->route_cache); + /* Delete bypass dict */ + xbt_dict_free(&routing->bypassRoutes); + /* Delete index dict */ + xbt_dict_free(&(routing->to_index)); + /* Delete structure */ + xbt_free(routing); + } } +/* Creation routing model functions */ + +static void* model_dijkstra_both_create(int cached) { + routing_component_dijkstra_t new_component = xbt_new0(s_routing_component_dijkstra_t,1); + new_component->generic_routing.set_processing_units = generic_set_processing_units; + new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system; + new_component->generic_routing.set_route = generic_set_route; + new_component->generic_routing.set_ASroute = generic_set_ASroute; + new_component->generic_routing.set_bypassroute = generic_set_bypassroute; + new_component->generic_routing.get_route = dijkstra_get_route; + new_component->generic_routing.get_bypass_route = generic_get_bypassroute; + new_component->generic_routing.finalize = dijkstra_finalize; + new_component->cached = cached; + new_component->to_index = xbt_dict_new(); + new_component->bypassRoutes = xbt_dict_new(); + new_component->parse_routes = xbt_dict_new(); + return new_component; +} + +static void* model_dijkstra_create(void) { + return model_dijkstra_both_create(0); +} + +static void* model_dijkstracache_create(void) { + return model_dijkstra_both_create(1); +} + +static void model_dijkstra_both_load(void) { + /* use "surfxml_add_callback" to add a parse function call */ +} + +static void model_dijkstra_both_unload(void) { + /* use "surfxml_del_callback" to remove a parse function call */ +} + +static void model_dijkstra_both_end(void) { + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) current_routing; + xbt_dict_cursor_t cursor = NULL; + char *key, *data, *end; + const char *sep = "#"; + xbt_dynar_t keys; + xbt_node_t node = NULL; + unsigned int cursor2; + xbt_dynar_t nodes = NULL; + int src_id, dst_id; + route_t route; + + /* Create the topology graph */ + routing->route_graph = xbt_graph_new_graph(1, NULL); + routing->graph_node_map = xbt_dict_new(); + + if(routing->cached) + routing->route_cache = xbt_dict_new(); + + /* Put the routes in position */ + xbt_dict_foreach(routing->parse_routes, cursor, key, data) { + keys = xbt_str_split_str(key, sep); + src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10); + dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10); + route_extended_t e_route = generic_new_extended_route(current_routing->hierarchy,data,0); + route_new_dijkstra(routing,src_id,dst_id,e_route); + xbt_dynar_free(&keys); + } + + /* delete the parse table */ + xbt_dict_foreach(routing->parse_routes, cursor, key, data) { + route = (route_t)data; + xbt_dynar_free(&(route->link_list)); + xbt_free(data); + } + + /* delete parse dict */ + xbt_dict_free(&(routing->parse_routes)); + + /* Add the loopback if needed */ + if(current_routing->hierarchy == SURF_ROUTING_BASE) + add_loopback_dijkstra(routing); + + /* initialize graph indexes in nodes after graph has been built */ + nodes = xbt_graph_get_nodes(routing->route_graph); + + xbt_dynar_foreach(nodes, cursor2, node) { + graph_node_data_t data = xbt_graph_node_get_data(node); + data->graph_id = cursor2; + } + +} /* ************************************************************************** */ /* ******************************* NO ROUTING ******************************* */ @@ -1087,25 +1469,33 @@ typedef struct { static route_extended_t none_get_route(routing_component_t rc, const char* src,const char* dst){ return NULL; } +static route_extended_t none_get_bypass_route(routing_component_t rc, const char* src,const char* dst){ + return NULL; +} static void none_finalize(routing_component_t rc) { xbt_free(rc); } +static void none_set_processing_units(routing_component_t rc, const char* name) {} +static void none_set_autonomous_system(routing_component_t rc, const char* name) {} + /* Creation routing model functions */ -static void* model_none_create() { +static void* model_none_create(void) { routing_component_none_t new_component = xbt_new0(s_routing_component_none_t,1); - new_component->generic_routing.set_processing_units = NULL; - new_component->generic_routing.set_autonomous_system = NULL; + new_component->generic_routing.set_processing_units = none_set_processing_units; + new_component->generic_routing.set_autonomous_system = none_set_autonomous_system; new_component->generic_routing.set_route = NULL; new_component->generic_routing.set_ASroute = NULL; + new_component->generic_routing.set_bypassroute = NULL; new_component->generic_routing.get_route = none_get_route; + new_component->generic_routing.get_bypass_route = none_get_bypass_route; new_component->generic_routing.finalize = none_finalize; return new_component; } -static void model_none_load() {} -static void model_none_unload() {} -static void model_none_end() {} +static void model_none_load(void) {} +static void model_none_unload(void) {} +static void model_none_end(void) {} /* ************************************************** */ /* ********** PATERN FOR NEW ROUTING **************** */ @@ -1114,96 +1504,310 @@ static void model_none_end() {} * also you need to set at the start of the file, the new model in the model * list. Remember keep the null ending of the list. */ -/* Routing model structure */ +/*** Routing model structure ***/ typedef struct { s_routing_component_t generic_routing; /* things that your routing model need */ } s_routing_component_NEW_t,*routing_component_NEW_t; -/* Parse routing model functions */ -static void NEW_parse_S_host(void) {} /* example*/ +/*** Parse routing model functions ***/ +static void model_NEW_set_processing_units(routing_component_t rc, const char* name) {} +static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {} +static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {} +static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {} +static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {} -/* Business methods */ -static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;} /* mandatory */ -static void NEW_finalize(routing_component_t rc) {} /* mandatory */ +/*** Business methods ***/ +static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;} +static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;} +static void NEW_finalize(routing_component_t rc) {} -/* Creation routing model functions */ -static void* model_NEW_create() {return NULL;} /* mandatory */ -static void model_NEW_load() {} /* mandatory */ -static void model_NEW_unload() {} /* mandatory */ -static void model_NEW_end() {} /* mandatory */ +// /*** Creation routing model functions ***/ +static void* model_NEW_create(void) { + routing_component_full_t new_component = xbt_new0(s_routing_component_full_t,1); + new_component->generic_routing.set_processing_units = model_NEW_set_processing_units; + new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system; + new_component->generic_routing.set_route = model_NEW_set_route; + new_component->generic_routing.set_ASroute = model_NEW_set_ASroute; + new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute; + new_component->generic_routing.get_route = NEW_get_route; + new_component->generic_routing.get_bypass_route = NEW_get_bypass_route; + new_component->generic_routing.finalize = NEW_finalize; + /* initialization of internal structures */ + return new_component; +} /* mandatory */ +static void model_NEW_load(void) {} /* mandatory */ +static void model_NEW_unload(void) {} /* mandatory */ +static void model_NEW_end(void) {} /* mandatory */ /* ************************************************************************** */ /* ************************* GENERIC PARSE FUNCTIONS ************************ */ static void generic_set_processing_units(routing_component_t rc, const char* name) { - DEBUG1("Full - Load process unit \"%s\"",name); - model_type_t modeltype = rc->routing; - int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ? - xbt_dict_t index; - if(modeltype==&routing_models[SURF_MODEL_FULL]) - index = ((routing_component_full_t)current_routing)->to_index; - else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) - index = ((routing_component_floyd_t)current_routing)->to_index; - else xbt_die("\"generic_set_processing_units\" not support"); - *id = xbt_dict_length(index); - xbt_dict_set(index,name,id,xbt_free); + DEBUG1("Load process unit \"%s\"",name); + model_type_t modeltype = rc->routing; + int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ? + xbt_dict_t _to_index; + if(modeltype==&routing_models[SURF_MODEL_FULL]) + _to_index = ((routing_component_full_t)rc)->to_index; + + else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) + _to_index = ((routing_component_floyd_t)rc)->to_index; + + else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]|| + modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) + _to_index = ((routing_component_dijkstra_t)rc)->to_index; + + else xbt_die("\"generic_set_processing_units\" not support"); + *id = xbt_dict_length(_to_index); + xbt_dict_set(_to_index,name,id,xbt_free); } static void generic_set_autonomous_system(routing_component_t rc, const char* name) { - DEBUG1("Full - Load Autonomous system \"%s\"",name); - model_type_t modeltype = rc->routing; - int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ? - xbt_dict_t index; - if(modeltype==&routing_models[SURF_MODEL_FULL]) - index = ((routing_component_full_t)current_routing)->to_index; - else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) - index = ((routing_component_floyd_t)current_routing)->to_index; - else xbt_die("\"generic_set_autonomous_system\" not support"); - *id = xbt_dict_length(index); - xbt_dict_set(index,name,id,xbt_free); -} - -static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) { - DEBUG2("Full - Load Route from \"%s\" to \"%s\"",src,dst); + DEBUG1("Load Autonomous system \"%s\"",name); model_type_t modeltype = rc->routing; - xbt_dict_t parseroutes; + int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ? + xbt_dict_t _to_index; if(modeltype==&routing_models[SURF_MODEL_FULL]) - parseroutes = ((routing_component_full_t)current_routing)->parse_routes; + _to_index = ((routing_component_full_t)rc)->to_index; + else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) - parseroutes = ((routing_component_floyd_t)current_routing)->parse_routes; + _to_index = ((routing_component_floyd_t)rc)->to_index; + + else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]|| + modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) + _to_index = ((routing_component_dijkstra_t)rc)->to_index; + else xbt_die("\"generic_set_autonomous_system\" not support"); + *id = xbt_dict_length(_to_index); + xbt_dict_set(_to_index,name,id,xbt_free); +} + +static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) { + DEBUG2("Load Route from \"%s\" to \"%s\"",src,dst); + model_type_t modeltype = rc->routing; + xbt_dict_t _parse_routes; + xbt_dict_t _to_index; char *route_name; - route_name = bprintf("%s#%s",src,dst); - xbt_assert2(xbt_dynar_length(link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst); - xbt_assert2(!xbt_dict_get_or_null(parseroutes,route_name), + int *src_id, *dst_id; + + if(modeltype==&routing_models[SURF_MODEL_FULL]) { + _parse_routes = ((routing_component_full_t)rc)->parse_routes; + _to_index = ((routing_component_full_t)rc)->to_index; + + } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) { + _parse_routes = ((routing_component_floyd_t)rc)->parse_routes; + _to_index = ((routing_component_floyd_t)rc)->to_index; + + } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]|| + modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) { + _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes; + _to_index = ((routing_component_dijkstra_t)rc)->to_index; + + } else xbt_die("\"generic_set_route\" not support"); + + src_id = xbt_dict_get_or_null(_to_index, src); + dst_id = xbt_dict_get_or_null(_to_index, dst); + + xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst); + route_name = bprintf("%d#%d",*src_id,*dst_id); + + xbt_assert2(xbt_dynar_length(route->link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst); + xbt_assert2(!xbt_dict_get_or_null(_parse_routes,route_name), "The route between \"%s\" and \"%s\" already exist",src,dst); - xbt_dict_set(parseroutes, route_name, route, NULL); - free(route_name); + + xbt_dict_set(_parse_routes, route_name, route, NULL); + xbt_free(route_name); } static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) { - DEBUG4("Full - Load ASroute from \"%s(%s)\" to \"%s(%s)\"",src,e_route->src_gateway,dst,e_route->dst_gateway); + DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",src,e_route->src_gateway,dst,e_route->dst_gateway); model_type_t modeltype = rc->routing; - xbt_dict_t parseroutes; - if(modeltype==&routing_models[SURF_MODEL_FULL]) - parseroutes = ((routing_component_full_t)current_routing)->parse_routes; - else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) - parseroutes = ((routing_component_floyd_t)current_routing)->parse_routes; - else xbt_die("\"generic_set_autonomous_system\" not support"); + xbt_dict_t _parse_routes; + xbt_dict_t _to_index; char *route_name; - route_name = bprintf("%s#%s",src,dst); - xbt_assert2(xbt_dynar_length(link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst); - xbt_assert4(!xbt_dict_get_or_null(parseroutes,route_name), + int *src_id, *dst_id; + + if(modeltype==&routing_models[SURF_MODEL_FULL]) { + _parse_routes = ((routing_component_full_t)rc)->parse_routes; + _to_index = ((routing_component_full_t)rc)->to_index; + + } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) { + _parse_routes = ((routing_component_floyd_t)rc)->parse_routes; + _to_index = ((routing_component_floyd_t)rc)->to_index; + + } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]|| + modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) { + _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes; + _to_index = ((routing_component_dijkstra_t)rc)->to_index; + + } else xbt_die("\"generic_set_route\" not support"); + + src_id = xbt_dict_get_or_null(_to_index, src); + dst_id = xbt_dict_get_or_null(_to_index, dst); + + xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst); + route_name = bprintf("%d#%d",*src_id,*dst_id); + + xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst); + xbt_assert4(!xbt_dict_get_or_null(_parse_routes,route_name), "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway); - xbt_dict_set(parseroutes, route_name, e_route, NULL); - free(route_name); + + xbt_dict_set(_parse_routes, route_name, e_route, NULL); + xbt_free(route_name); +} + +static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) { + DEBUG2("Load bypassRoute from \"%s\" to \"%s\"",src,dst); + model_type_t modeltype = rc->routing; + xbt_dict_t dict_bypassRoutes; + char *route_name; + if(modeltype==&routing_models[SURF_MODEL_FULL]) { + dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes; + } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) { + dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes; + } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]|| + modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) { + dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes; + } else xbt_die("\"generic_set_bypassroute\" not support"); + route_name = bprintf("%s#%s",src,dst); + xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst); + xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes,route_name), + "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway); + + route_extended_t new_e_route = generic_new_extended_route(SURF_ROUTING_RECURSIVE,e_route,0); + xbt_dynar_free( &(e_route->generic_route.link_list) ); + xbt_free(e_route); + + xbt_dict_set(dict_bypassRoutes, route_name, new_e_route, (void(*)(void*))generic_free_extended_route ); + xbt_free(route_name); +} + +/* ************************************************************************** */ +/* *********************** GENERIC BUSINESS METHODS ************************* */ + +static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst) { + model_type_t modeltype = rc->routing; + xbt_dict_t dict_bypassRoutes; + + if(modeltype==&routing_models[SURF_MODEL_FULL]) { + dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes; + } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) { + dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes; + } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]|| + modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) { + dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes; + } else xbt_die("\"generic_set_bypassroute\" not support"); + + + routing_component_t src_as, dst_as; + int index_src, index_dst; + xbt_dynar_t path_src = NULL; + xbt_dynar_t path_dst = NULL; + routing_component_t current = NULL; + routing_component_t* current_src = NULL; + routing_component_t* current_dst = NULL; + + /* (1) find the as where the src and dst are located */ + src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src); + dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst); + xbt_assert2(src_as&&dst_as, "Ask for route \"from\"(%s) or \"to\"(%s) no found",src,dst); + + /* (2) find the path to the root routing component */ + path_src = xbt_dynar_new(sizeof(routing_component_t), NULL); + current = src_as; + while( current != NULL ) { + xbt_dynar_push(path_src,¤t); + current = current->routing_father; + } + path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL); + current = dst_as; + while( current != NULL ) { + xbt_dynar_push(path_dst,¤t); + current = current->routing_father; + } + + /* (3) find the common father */ + index_src = (path_src->used)-1; + index_dst = (path_dst->used)-1; + current_src = xbt_dynar_get_ptr(path_src,index_src); + current_dst = xbt_dynar_get_ptr(path_dst,index_dst); + while( index_src >= 0 && index_dst >= 0 && *current_src == *current_dst ) { + routing_component_t *tmp_src,*tmp_dst; + tmp_src = xbt_dynar_pop_ptr(path_src); + tmp_dst = xbt_dynar_pop_ptr(path_dst); + index_src--; + index_dst--; + current_src = xbt_dynar_get_ptr(path_src,index_src); + current_dst = xbt_dynar_get_ptr(path_dst,index_dst); + } + + int max_index_src = (path_src->used)-1; + int max_index_dst = (path_dst->used)-1; + + int max_index = max(max_index_src,max_index_dst); + int i, max; + + route_extended_t e_route_bypass = NULL; + + for( max=0;max<=max_index;max++) + { + for(i=0;iname, + (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name); + e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name); + xbt_free(route_name); + } + if( e_route_bypass ) break; + if( max <= max_index_src && i <= max_index_dst ) { + char* route_name = bprintf("%s#%s", + (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name, + (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,i)))->name); + e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name); + xbt_free(route_name); + } + if( e_route_bypass ) break; + } + + if( e_route_bypass ) break; + + if( max <= max_index_src && max <= max_index_dst ) { + char* route_name = bprintf("%s#%s", + (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name, + (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name); + e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name); + xbt_free(route_name); + } + if( e_route_bypass ) break; + } + + xbt_dynar_free(&path_src); + xbt_dynar_free(&path_dst); + + route_extended_t new_e_route = NULL; + + if(e_route_bypass) { + void* link; + unsigned int cpt=0; + new_e_route = xbt_new0(s_route_extended_t,1); + new_e_route->src_gateway = e_route_bypass->src_gateway; + new_e_route->dst_gateway = e_route_bypass->dst_gateway; + new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); + xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) { + xbt_dynar_push(new_e_route->generic_route.link_list,&link); + } + } + + return new_e_route; } /* ************************************************************************** */ /* ************************* GENERIC AUX FUNCTIONS ************************** */ -static route_extended_t generic_new_extended_route(routing_component_t rc, void* data) { +static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order) { char *link_name; route_extended_t e_route, new_e_route; @@ -1216,21 +1820,18 @@ static route_extended_t generic_new_extended_route(routing_component_t rc, void* new_e_route->src_gateway = NULL; new_e_route->dst_gateway = NULL; - xbt_assert0(rc->hierarchy == SURF_ROUTING_BASE || rc->hierarchy == SURF_ROUTING_RECURSIVE, + xbt_assert0(hierarchy == SURF_ROUTING_BASE || hierarchy == SURF_ROUTING_RECURSIVE, "the hierarchy type is not defined"); - if(rc->hierarchy == SURF_ROUTING_BASE ) { + if(hierarchy == SURF_ROUTING_BASE ) { route = (route_t)data; links = route->link_list; - } else if(rc->hierarchy == SURF_ROUTING_RECURSIVE ) { + } else if(hierarchy == SURF_ROUTING_RECURSIVE ) { e_route = (route_extended_t)data; - - // FIXME: HERE CHECK THE GATEWAY!!!!!!!!! xbt_assert0(e_route->src_gateway&&e_route->dst_gateway,"bad gateway, is null"); - links = e_route->generic_route.link_list; /* remeber not erase the gateway names */ @@ -1244,7 +1845,12 @@ static route_extended_t generic_new_extended_route(routing_component_t rc, void* void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); if (link) - xbt_dynar_push(links_id,&link); + { + if( order ) + xbt_dynar_push(links_id,&link); + else + xbt_dynar_unshift(links_id,&link); + } else THROW1(mismatch_error,0,"Link %s not found", link_name); } @@ -1252,6 +1858,68 @@ static route_extended_t generic_new_extended_route(routing_component_t rc, void* return new_e_route; } +static void generic_free_extended_route(route_extended_t e_route) { + if(e_route) { + xbt_dynar_free(&(e_route->generic_route.link_list)); + if(e_route->src_gateway) xbt_free(e_route->src_gateway); + if(e_route->dst_gateway) xbt_free(e_route->dst_gateway); + xbt_free(e_route); + } +} + +static routing_component_t generic_as_exist(routing_component_t find_from, routing_component_t to_find) { + xbt_dict_cursor_t cursor = NULL; + char *key; + int found=0; + routing_component_t elem; + xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) { + if( to_find == elem || generic_as_exist(elem,to_find) ){ + found=1; + break; + } + } + if(found) return to_find; + return NULL; +} + +static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element) { + routing_component_t element_as, result, elem; + xbt_dict_cursor_t cursor = NULL; + char *key; + element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element); + result = ((routing_component_t)-1); + if(element_as!=rc) + result = generic_as_exist(rc,element_as); + + if(result) + { + xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) { + if( !strcmp(elem->name,element) ) return element_as; + } + } + return NULL; +} + +static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element) { + routing_component_t element_as; + element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element); + if(element_as==rc) return element_as; + return generic_as_exist(rc,element_as); +} + +static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst) { + + routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src); + routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst); + + xbt_assert3(src_as != NULL && dst_as != NULL, + "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",src,dst,rc->name); + xbt_assert4(src_as == dst_as, + "The src(%s in %s) and dst(%s in %s) are in differents AS",src,src_as->name,dst,dst_as->name); + xbt_assert2(rc == dst_as, + "The routing component of src and dst is not the same as the network elements belong (%s==%s)",rc->name,dst_as->name); +} + //////////////////////////////////////////////////////////////////////////////// // HERE FINISH THE NEW CODE //////////////////////////////////////////////////////////////////////////////// @@ -1298,30 +1966,33 @@ static void print_ctn(void) { printf("ctn!!! %s\n",A_surfxml_link_c_ctn_id) //...... DEBUG ONLY .... // static void DEBUG_exit(void) { - printf("-------- print tree elements -----\n"); - print_tree(global_routing->root); - printf("----------------------------------\n\n"); - - printf("-------- network_elements --------\n"); - print_global(); - printf("----------------------------------\n\n"); +// printf("-------- print tree elements -----\n"); +// print_tree(global_routing->root); +// printf("----------------------------------\n\n"); +// +// printf("-------- network_elements --------\n"); +// print_global(); +// printf("----------------------------------\n\n"); -// char* names[] = { "11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"}; +// const char* names[] = { "11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"}; // int i,j,total = 8; // printf("-- print all the example routes --\n"); -// char* names[] = { "11.A","11.B","11.C"}; +// const char* names[] = { "11.A","11.B","11.C"}; // int i,j,total = 3; -// char* names[] = { "141.A","141.B","143.A","143.B"}; +// const char* names[] = { "141.A","141.B","143.A","143.B"}; // int i,j,total = 4; -// char* names[] = { "142.A","142.B","142.C" }; +// const char* names[] = { "15.A","15.B","15.C" }; // int i,j,total = 3; // const char* names[] = { "142.A","142.B","142.C", "11.A","11.B","11.C","141.A","141.B","143.A","143.B","11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"}; // int i,j,total = 3+4+8+3; +// const char* names[] = { "142.A","142.B","142.C" }; +// int i,j,total = 3; + const char* names[] = { "11.A","11.B","11.C", "121.A","121.B", "122.A", @@ -1332,13 +2003,17 @@ static void DEBUG_exit(void) { "15.A","15.B","15.C"}; unsigned int i,j,total = 3+2+1+2+2+3+2+3; +// const char* names[] = { "141.A","143.A" }; +// int i,j,total = 2; + printf("-- print all the example routes --\n"); xbt_dynar_t links; void* link; for(i=0;i>> ",names[i],names[j]); + printf("route from %s to %s >>>\n ",names[i],names[j]); links = (*(global_routing->get_route))(names[i],names[j]); + printf(">>>"); unsigned int cpt=0; xbt_dynar_foreach(links, cpt, link) { s_surf_resource_t* generic_resource = link; @@ -1347,7 +2022,6 @@ static void DEBUG_exit(void) { printf("\n"); } } - printf("----------------------------------\n\n"); printf("---------- call finalize ---------\n"); @@ -1361,6 +2035,7 @@ static void DEBUG_exit(void) { // HERE END THE NEW CODE //////////////////////////////////////////////////////////////////////////////// + // /* ************************************************************************** */ // /* *************************** FULL ROUTING ********************************* */ // typedef struct {