X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7e2b05b2e2ec6a745966f800121782a684166f6f..a46bcd2115b2f8df2b5a2a9e2e8f186a11a72385:/src/surf/surf_routing.c diff --git a/src/surf/surf_routing.c b/src/surf/surf_routing.c index ac58e67547..2c5f0fb26b 100644 --- a/src/surf/surf_routing.c +++ b/src/surf/surf_routing.c @@ -1,4 +1,5 @@ -/* Copyright (c) 2009 The SimGrid team. All rights reserved. */ +/* Copyright (c) 2009, 2010. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -12,555 +13,1023 @@ #include "xbt/set.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf"); - -routing_t used_routing = NULL; + +//////////////////////////////////////////////////////////////////////////////// +// HERE START THE NEW CODE +//////////////////////////////////////////////////////////////////////////////// + +//...... DEBUG ONLY .... // +static void print_tree(routing_component_t rc); +static void print_global(void); +static void print_AS_start(void); +static void print_AS_end(void); +static void print_host(void); +static void print_link(void); +static void print_route(void); +static void print_ctn(void); +static void DEBUG_exit(void); + +//////////////////////////////////////////////////////////////////////////////// +// HERE START THE NEW CODE +//////////////////////////////////////////////////////////////////////////////// + +/* Global vars */ +routing_global_t global_routing = NULL; +routing_component_t current_routing = NULL; +model_type_t current_routing_model = NULL; /* Prototypes of each model */ -static void routing_model_full_create(size_t size_of_link,void *loopback); -static void routing_model_floyd_create(size_t size_of_link, void*loopback); -static void routing_model_dijkstra_create(size_t size_of_link, void*loopback); -static void routing_model_dijkstracache_create(size_t size_of_link, void*loopback); -static void routing_model_none_create(size_t size_of_link, void*loopback); - -/* Definition of each model */ -struct model_type { - const char *name; - const char *desc; - void (*fun)(size_t,void*); -}; -struct model_type models[] = -{ {"Full", "Full routing data (fast, large memory requirements, fully expressive)", routing_model_full_create }, - {"Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)", routing_model_floyd_create }, - {"Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)", routing_model_dijkstra_create }, - {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)", routing_model_dijkstracache_create }, - {"none", "No routing (usable with Constant network only)", routing_model_none_create }, - {NULL,NULL,NULL}}; +static void* model_full_create(void); /* create structures for full routing model */ +static void model_full_load(void); /* load parse functions for full routing model */ +static void model_full_unload(void); /* unload parse functions for full routing model */ +static void model_full_end(void); /* finalize the creation of full routing model */ + +static void* model_floyd_create(void); /* create structures for floyd routing model */ +static void model_floyd_load(void); /* load parse functions for floyd routing model */ +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_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_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 */ +static void model_none_unload(void); /* none routing model */ +static void model_none_end(void); /* none routing model */ + +/* Table of routing models */ +// typedef enum { +// SURF_MODEL_FULL = 0, +// SURF_MODEL_FLOYD, +// SURF_MODEL_DIJKSTRA, +// SURF_MODEL_DIJKSTRACACHE, +// 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 +#define SURF_MODEL_DIJKSTRACACHE 3 +#define SURF_MODEL_NONE 4 + +/* must be finish with null and carefull if change de order */ +struct s_model_type routing_models[] = +{ {"Full", "Full routing data (fast, large memory requirements, fully expressive)", + model_full_create, model_full_load, model_full_unload, model_full_end }, + {"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_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_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) ***************** */ -void routing_model_create(size_t size_of_links, void* loopback) { +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); - char * wanted=xbt_cfg_get_string(_surf_cfg_set,"routing"); - int cpt; - for (cpt=0;models[cpt].name;cpt++) { - if (!strcmp(wanted,models[cpt].name)) { - (*(models[cpt].fun))(size_of_links,loopback); - return; - } - } - fprintf(stderr,"Routing model %s not found. Existing models:\n",wanted); - for (cpt=0;models[cpt].name;cpt++) - if (!strcmp(wanted,models[cpt].name)) - fprintf(stderr," %s: %s\n",models[cpt].name,models[cpt].desc); - exit(1); -} +/* ************************************************************************** */ +/* *************** GENERIC BUSINESS METHODS (declarations) ****************** */ + +static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst); /* ************************************************************************** */ -/* *************************** FULL ROUTING ********************************* */ -typedef struct { - s_routing_t generic_routing; - xbt_dynar_t *routing_table; - void *loopback; - size_t size_of_link; -} s_routing_full_t,*routing_full_t; +/* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */ -#define ROUTE_FULL(i,j) ((routing_full_t)used_routing)->routing_table[(i)+(j)*(used_routing)->host_count] +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); -/* - * Parsing - */ -static void routing_full_parse_Srouter(void) { - int *val = xbt_malloc(sizeof(int)); - DEBUG2("Seen router %s (#%d)",A_surfxml_host_id,used_routing->host_count); - *val = used_routing->host_count++; - xbt_dict_set(used_routing->host_id,A_surfxml_host_id,val,xbt_free); -} - -static void routing_full_parse_Shost(void) { - int *val = xbt_malloc(sizeof(int)); - DEBUG2("Seen host %s (#%d)",A_surfxml_host_id,used_routing->host_count); - *val = used_routing->host_count++; - xbt_dict_set(used_routing->host_id,A_surfxml_host_id,val,xbt_free); -} -static int src_id = -1; -static int dst_id = -1; -static void routing_full_parse_Sroute_set_endpoints(void) -{ - src_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_src); - dst_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_dst); - DEBUG4("Route %s %d -> %s %d",A_surfxml_route_src,src_id,A_surfxml_route_dst,dst_id); - route_action = A_surfxml_route_action; -} -static void routing_full_parse_Eroute(void) -{ - char *name; - if (src_id != -1 && dst_id != -1) { - name = bprintf("%x#%x", src_id, dst_id); - manage_route(route_table, name, route_action, 0); - free(name); - } -} - -/* Cluster tag functions */ - -static void routing_full_parse_change_cpu_data(const char *hostName, - const char *surfxml_host_power, - const char *surfxml_host_availability, - const char *surfxml_host_availability_file, - const char *surfxml_host_state_file) -{ - int AX_ptr = 0; - - SURFXML_BUFFER_SET(host_id, hostName); - SURFXML_BUFFER_SET(host_power, surfxml_host_power /*hostPower */ ); - SURFXML_BUFFER_SET(host_availability, surfxml_host_availability); - SURFXML_BUFFER_SET(host_availability_file, surfxml_host_availability_file); - SURFXML_BUFFER_SET(host_state_file, surfxml_host_state_file); -} - -static void routing_full_parse_change_link_data(const char *linkName, - const char *surfxml_link_bandwidth, - const char *surfxml_link_bandwidth_file, - const char *surfxml_link_latency, - const char *surfxml_link_latency_file, - const char *surfxml_link_state_file) -{ - int AX_ptr = 0; +/* ************************************************************************** */ +/* **************************** GLOBAL FUNCTIONS **************************** */ + +/* global parse functions */ - SURFXML_BUFFER_SET(link_id, linkName); - SURFXML_BUFFER_SET(link_bandwidth, surfxml_link_bandwidth); - SURFXML_BUFFER_SET(link_bandwidth_file, surfxml_link_bandwidth_file); - SURFXML_BUFFER_SET(link_latency, surfxml_link_latency); - SURFXML_BUFFER_SET(link_latency_file, surfxml_link_latency_file); - SURFXML_BUFFER_SET(link_state_file, surfxml_link_state_file); -} +static char* src = NULL; /* temporary store the source name of a route */ +static char* dst = NULL; /* temporary store the destination name of a route */ +static char* gw_src = NULL; /* temporary store the gateway source name of a route */ +static char* gw_dst = NULL; /* temporary store the gateway destination name of a route */ +static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */ -static void routing_full_parse_Scluster(void) -{ - static int AX_ptr = 0; +/** + * \brief Add a "host" to the network element list + */ +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); + 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); +} - char *cluster_id = A_surfxml_cluster_id; - char *cluster_prefix = A_surfxml_cluster_prefix; - char *cluster_suffix = A_surfxml_cluster_suffix; - char *cluster_radical = A_surfxml_cluster_radical; - char *cluster_power = A_surfxml_cluster_power; - char *cluster_bw = A_surfxml_cluster_bw; - char *cluster_lat = A_surfxml_cluster_lat; - char *cluster_bb_bw = A_surfxml_cluster_bb_bw; - char *cluster_bb_lat = A_surfxml_cluster_bb_lat; - char *backbone_name; +/** + * \brief Add a "router" to the network element list + */ +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); + 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); +} - surfxml_bufferstack_push(1); +/** + * \brief Set the endponints for a route + */ +static void parse_S_route_new_and_endpoints(void) { + 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; + dst = A_surfxml_route_dst; + link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref); +} - /* Make set */ - SURFXML_BUFFER_SET(set_id, cluster_id); - SURFXML_BUFFER_SET(set_prefix, cluster_prefix); - SURFXML_BUFFER_SET(set_suffix, cluster_suffix); - SURFXML_BUFFER_SET(set_radical, cluster_radical); +/** + * \brief Set the endponints and gateways for a ASroute + */ +static void parse_S_ASroute_new_and_endpoints(void) { + 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; + dst = A_surfxml_ASroute_dst; + gw_src = A_surfxml_ASroute_gw_src; + gw_dst = A_surfxml_ASroute_gw_dst; + link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref); +} - SURFXML_START_TAG(set); - SURFXML_END_TAG(set); +/** + * \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); +} - /* Make foreach */ - SURFXML_BUFFER_SET(foreach_set_id, cluster_id); +/** + * \brief Set a new link on the actual list of link for a route or ASroute + */ +static void parse_E_link_c_ctn_new_elem(void) { + char *val; + val = xbt_strdup(A_surfxml_link_c_ctn_id); + xbt_dynar_push(link_list, &val); +} - SURFXML_START_TAG(foreach); +/** + * \brief Store the route by calling the set_route function of the current routing component + */ +static void parse_E_route_store_route(void) { + route_t route = xbt_new0(s_route_t,1); + route->link_list = link_list; + //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; + dst = NULL; +} - /* Make host for the foreach */ - routing_full_parse_change_cpu_data("$1", cluster_power, "1.0", "", ""); - A_surfxml_host_state = A_surfxml_host_state_ON; +/** + * \brief Store the ASroute by calling the set_ASroute function of the current routing component + */ +static void parse_E_ASroute_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_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; + dst = NULL; + gw_src = NULL; + gw_dst = NULL; +} - SURFXML_START_TAG(host); - SURFXML_END_TAG(host); +/** + * \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; +} - /* Make link for the foreach */ - routing_full_parse_change_link_data("$1", cluster_bw, "", cluster_lat, "", ""); - A_surfxml_link_state = A_surfxml_link_state_ON; - A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED; +/** + * \brief Make a new routing component + * + * Detect the routing model type of the routing component, make the new structure and + * set the parsing functions to allows parsing the part of the routing tree + */ +static void parse_S_AS(void) { + routing_component_t new_routing; + model_type_t model = NULL; + char* wanted = A_surfxml_AS_routing; + int cpt; + /* seach the routing model */ + for (cpt=0;routing_models[cpt].name;cpt++) + if (!strcmp(wanted,routing_models[cpt].name)) + model = &routing_models[cpt]; + /* if its not exist, error */ + if( model == NULL ) { + fprintf(stderr,"Routing model %s not found. Existing models:\n",wanted); + for (cpt=0;routing_models[cpt].name;cpt++) + if (!strcmp(wanted,routing_models[cpt].name)) + fprintf(stderr," %s: %s\n",routing_models[cpt].name,routing_models[cpt].desc); + xbt_die(NULL); + } - SURFXML_START_TAG(link); - SURFXML_END_TAG(link); + /* make a new routing component */ + new_routing = (routing_component_t)(*(model->create))(); + new_routing->routing = model; + new_routing->hierarchy = SURF_ROUTING_NULL; + new_routing->name = xbt_strdup(A_surfxml_AS_id); + new_routing->routing_sons = xbt_dict_new(); + INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id); + + if( current_routing == NULL && global_routing->root == NULL ){ + + /* it is the first one */ + new_routing->routing_father = NULL; + global_routing->root = new_routing; + + } else if( current_routing != NULL && global_routing->root != NULL ) { + + xbt_assert1(!xbt_dict_get_or_null(current_routing->routing_sons,A_surfxml_AS_id), + "The AS \"%s\" already exist",A_surfxml_AS_id); + /* it is a part of the tree */ + new_routing->routing_father = current_routing; + /* set the father behavior */ + if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_RECURSIVE; + /* 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 */ + (*(current_routing->set_autonomous_system))(current_routing,A_surfxml_AS_id); + /* unload the prev parse rules */ + (*(current_routing->routing->unload))(); + + } else { + THROW0(arg_error,0,"All defined components must be belong to a AS"); + } + /* set the new parse rules */ + (*(new_routing->routing->load))(); + /* set the new current component of the tree */ + current_routing = new_routing; +} - SURFXML_END_TAG(foreach); +/** + * \brief Finish the creation of a new routing component + * + * When you finish to read the routing component, other structures must be created. + * the "end" method allow to do that for any routing model type + */ +static void parse_E_AS(void) { - /* Make backbone link */ - backbone_name = bprintf("%s_bb", cluster_id); - routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "", - ""); - A_surfxml_link_state = A_surfxml_link_state_ON; - A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE; + 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; + if( current_routing != NULL ) + (*(current_routing->routing->load))(); + } +} - SURFXML_START_TAG(link); - SURFXML_END_TAG(link); +/* Aux Business methods */ - /* Make route multi with the outside world, i.e. cluster->$* */ - SURFXML_BUFFER_SET(route_c_multi_src, cluster_id); - SURFXML_BUFFER_SET(route_c_multi_dst, "$*"); - A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO; - A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_OVERRIDE; +/** + * \brief Get the AS father and the first elements of the chain + * + * \param src the source host name + * \param dst the destination host name + * + * Get the common father of the to processing units, and the first different + * father in the chain + */ +static xbt_dynar_t elements_father(const char* src,const char* dst) { + + xbt_assert0(src&&dst,"bad parameters for \"elements_father\" method"); + + xbt_dynar_t result = xbt_dynar_new(sizeof(char*), NULL); // &xbt_free_ref + + routing_component_t src_as, dst_as; + int index_src, index_dst, index_father_src, index_father_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; + routing_component_t* father = 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 ) { + current_src = xbt_dynar_get_ptr(path_src,index_src); + current_dst = xbt_dynar_get_ptr(path_dst,index_dst); + index_src--; + index_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); + + /* (4) they are not in the same routing component, make the path */ + index_father_src = index_src+1; + index_father_dst = index_dst+1; + + if(*current_src==*current_dst) + father = current_src; + else + father = xbt_dynar_get_ptr(path_src,index_father_src); + + /* (5) result generation */ + xbt_dynar_push(result,father); // first same the father of src and dst + xbt_dynar_push(result,current_src); // second the first different father of src + xbt_dynar_push(result,current_dst); // three the first different father of dst + + xbt_dynar_free(&path_src); + xbt_dynar_free(&path_dst); + + return result; +} - SURFXML_START_TAG(route_c_multi); +/* Global Business methods */ - SURFXML_BUFFER_SET(link_c_ctn_id, "$src"); +/** + * \brief Recursive function for get_route + * + * \param src the source host name + * \param dst the destination host name + * + * This fuction is call by "get_route". It allow to walk through the + * routing components tree. + */ +static route_extended_t _get_route(const char* src,const char* dst) { + + void* link; + unsigned int cpt=0; + + DEBUG2("Solve route \"%s\" to \"%s\"",src,dst); + + xbt_assert0(src&&dst,"bad parameters for \"_get_route\" method"); + + route_extended_t e_route, e_route_cnt, e_route_src, e_route_dst; + + xbt_dynar_t elem_father_list = elements_father(src,dst); + + routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t); + routing_component_t src_father = xbt_dynar_get_as(elem_father_list, 1, routing_component_t); + routing_component_t dst_father = xbt_dynar_get_as(elem_father_list, 2, routing_component_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); + + if(src_father==dst_father) { /* SURF_ROUTING_BASE */ + + 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); + } + xbt_dynar_free( &(e_route_cnt->generic_route.link_list) ); + xbt_free(e_route_cnt); + } + + } else { /* SURF_ROUTING_RECURSIVE */ - SURFXML_START_TAG(link_c_ctn); - SURFXML_END_TAG(link_c_ctn); + 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,"no route between \"%s\" and \"%s\"",src_father->name,dst_father->name); - SURFXML_END_TAG(route_c_multi); + xbt_assert2( (e_route_cnt->src_gateway==NULL) == (e_route_cnt->dst_gateway==NULL) , + "bad gateway for route between \"%s\" and \"%s\"",src,dst); - /* Make route multi between cluster hosts, i.e. cluster->cluster */ - SURFXML_BUFFER_SET(route_c_multi_src, cluster_id); - SURFXML_BUFFER_SET(route_c_multi_dst, cluster_id); - A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_POSTPEND; - A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO; + 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); + } + } + + 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); + } + + xbt_dynar_free(&elem_father_list); + + return e_route; +} - SURFXML_START_TAG(route_c_multi); +/** + * \brief Generic method: find a route between hosts + * + * \param src the source host name + * \param dst the destination host name + * + * walk through the routing components tree and find a route between hosts + * by calling the differents "get_route" functions in each routing component + */ +static xbt_dynar_t get_route(const char* src,const char* dst) { + + if(global_routing->last_route) xbt_dynar_free( &(global_routing->last_route) ); + + route_extended_t e_route; + xbt_dynar_t elem_father_list = elements_father(src,dst); + routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t); + + if(strcmp(src,dst)) + e_route = _get_route(src,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); + xbt_dynar_free(&elem_father_list); + + if( xbt_dynar_length(global_routing->last_route)==0 ) + return NULL; + else + return global_routing->last_route; +} - SURFXML_BUFFER_SET(link_c_ctn_id, backbone_name); +/** + * \brief Recursive function for finalize + * + * \param rc the source host name + * + * This fuction is call by "finalize". It allow to finalize the + * AS or routing components. It delete all the structures. + */ +static void _finalize(routing_component_t rc) { + if(rc) { + xbt_dict_cursor_t cursor = NULL; + char *key; + routing_component_t elem; + xbt_dict_foreach(rc->routing_sons, cursor, key, elem) { + _finalize(elem); + } + xbt_dict_t tmp_sons = rc->routing_sons; + 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); + } +} - SURFXML_START_TAG(link_c_ctn); - SURFXML_END_TAG(link_c_ctn); +/** + * \brief Generic method: delete all the routing structures + * + * walk through the routing components tree and delete the structures + * by calling the differents "finalize" functions in each routing component + */ +static void finalize(void) { + /* delete recursibly all the tree */ + _finalize(global_routing->root); + /* delete "where" dict */ + xbt_dict_free(&(global_routing->where_network_elements)); + /* delete last_route */ + xbt_dynar_free(&(global_routing->last_route)); + /* delete global routing structure */ + xbt_free(global_routing); +} - SURFXML_END_TAG(route_c_multi); +/** + * \brief Generic method: create the global routing schema + * + * Make a global routing structure and set all the parsing functions. + */ +void routing_model_create(size_t size_of_links, void* loopback) { + + /* config the uniq global routing */ + global_routing = xbt_new0(s_routing_global_t,1); + global_routing->where_network_elements = xbt_dict_new(); + global_routing->root = NULL; + global_routing->get_route = get_route; + global_routing->finalize = finalize; + global_routing->loopback = loopback; + global_routing->size_of_link = size_of_links; + global_routing->last_route = xbt_dynar_new(size_of_links, NULL); + + /* no current routing at moment */ + current_routing = NULL; - free(backbone_name); + /* parse generic elements */ + surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host); + surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router); - /* Restore buff */ - surfxml_bufferstack_pop(1); + 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); + + /* DEBUG ONLY */ + //surfxml_add_callback(ETag_surfxml_platform_cb_list, &DEBUG_exit); + + // TODO checked if ANY AS are duplicated } +/* ************************************************************************** */ +/* *************************** FULL ROUTING ********************************* */ -static void routing_full_parse_end(void) { - routing_full_t routing = (routing_full_t) used_routing; - int nb_link = 0; - unsigned int cpt = 0; - xbt_dict_cursor_t cursor = NULL; - char *key, *data, *end; - const char *sep = "#"; - xbt_dynar_t links, keys; - char *link_name = NULL; - int i,j; +#define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size] - int host_count = routing->generic_routing.host_count; +/* Routing model structure */ - /* Create the routing table */ - routing->routing_table = xbt_new0(xbt_dynar_t, host_count * host_count); - for (i=0;isize_of_link,NULL); +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; - /* Put the routes in position */ - xbt_dict_foreach(route_table, cursor, key, data) { - nb_link = 0; - links = (xbt_dynar_t) data; - keys = xbt_str_split_str(key, sep); +/* Business methods */ - src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16); - dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16); - xbt_dynar_free(&keys); +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); + + 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); - DEBUG4("Handle %d %d (from %d hosts): %ld links", - src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links)); - xbt_dynar_foreach(links, cpt, link_name) { - void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); - if (link) - xbt_dynar_push(ROUTE_FULL(src_id,dst_id),&link); - else - THROW1(mismatch_error,0,"Link %s not found", link_name); + route_extended_t e_route = NULL; + route_extended_t new_e_route = NULL; + void* link; + unsigned int cpt=0; + + 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; + new_e_route->dst_gateway = e_route->dst_gateway; + new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL); + xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) { + xbt_dynar_push(new_e_route->generic_route.link_list,&link); } } - - /* Add the loopback if needed */ - for (i = 0; i < host_count; i++) - if (!xbt_dynar_length(ROUTE_FULL(i, i))) - xbt_dynar_push(ROUTE_FULL(i,i),&routing->loopback); - - /* Shrink the dynar routes (save unused slots) */ - for (i=0;ito_index); int i,j; - if (routing) { - for (i = 0; i < used_routing->host_count; i++) - for (j = 0; j < used_routing->host_count; j++) - xbt_dynar_free(&ROUTE_FULL(i, j)); - free(routing->routing_table); - xbt_dict_free(&used_routing->host_id); - free(routing); - routing=NULL; - } -} - -static void routing_model_full_create(size_t size_of_link,void *loopback) { - /* initialize our structure */ - routing_full_t routing = xbt_new0(s_routing_full_t,1); - routing->generic_routing.name = "Full"; - routing->generic_routing.host_count = 0; - routing->generic_routing.get_route = routing_full_get_route; - routing->generic_routing.finalize = routing_full_finalize; - routing->size_of_link = size_of_link; - routing->loopback = loopback; - - /* Set it in position */ - used_routing = (routing_t) routing; - - /* Setup the parsing callbacks we need */ - routing->generic_routing.host_id = xbt_dict_new(); - surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); - surfxml_add_callback(STag_surfxml_router_cb_list, &routing_full_parse_Srouter); - surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_full_parse_end); - surfxml_add_callback(STag_surfxml_route_cb_list, - &routing_full_parse_Sroute_set_endpoints); - surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute); - surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_full_parse_Scluster); + /* Delete routing table */ + for (i=0;irouting_table); + /* Delete bypass dict */ + xbt_dict_free(&routing->bypassRoutes); + /* Delete index dict */ + xbt_dict_free(&(routing->to_index)); + /* Delete structure */ + xbt_free(rc); + } } -/* ************************************************************************** */ - -static void routing_shortest_path_parse_Scluster(void) -{ - static int AX_ptr = 0; - - char *cluster_id = A_surfxml_cluster_id; - char *cluster_prefix = A_surfxml_cluster_prefix; - char *cluster_suffix = A_surfxml_cluster_suffix; - char *cluster_radical = A_surfxml_cluster_radical; - char *cluster_power = A_surfxml_cluster_power; - char *cluster_bb_bw = A_surfxml_cluster_bb_bw; - char *cluster_bb_lat = A_surfxml_cluster_bb_lat; - char *backbone_name; +/* Creation routing model functions */ + +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; +} - surfxml_bufferstack_push(1); +static void model_full_load(void) { + /* use "surfxml_add_callback" to add a parse function call */ +} - /* Make set */ - SURFXML_BUFFER_SET(set_id, cluster_id); - SURFXML_BUFFER_SET(set_prefix, cluster_prefix); - SURFXML_BUFFER_SET(set_suffix, cluster_suffix); - SURFXML_BUFFER_SET(set_radical, cluster_radical); +static void model_full_unload(void) { + /* use "surfxml_del_callback" to remove a parse function call */ +} - SURFXML_START_TAG(set); - SURFXML_END_TAG(set); +static void model_full_end(void) { + + char *key, *end; //*src_name, *dst_name + const char* sep = "#"; + int src_id, dst_id; + unsigned int i, j; + route_t route; + route_extended_t e_route; + void* data; + + xbt_dict_cursor_t cursor = NULL; + xbt_dynar_t keys = NULL; + + /* set utils vars */ + routing_component_full_t routing = ((routing_component_full_t)current_routing); + int table_size = xbt_dict_length(routing->to_index); + + /* Create the routing table */ + routing->routing_table = xbt_new0(route_extended_t, table_size * table_size); + + /* 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); + TO_ROUTE_FULL(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,1); + 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)); - /* Make foreach */ - SURFXML_BUFFER_SET(foreach_set_id, cluster_id); + /* Add the loopback if needed */ + 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; + } + } + } - SURFXML_START_TAG(foreach); + /* Shrink the dynar routes (save unused slots) */ + for (i=0;igeneric_route.link_list,0); +} - /* Make host for the foreach */ - routing_full_parse_change_cpu_data("$1", cluster_power, "1.0", "", ""); - A_surfxml_host_state = A_surfxml_host_state_ON; +/* ************************************************************************** */ +/* *************************** FLOYD ROUTING ******************************** */ - SURFXML_START_TAG(host); - SURFXML_END_TAG(host); +#define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size] +#define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size] +#define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size] - SURFXML_END_TAG(foreach); +/* Routing model structure */ - /* Make backbone link */ - backbone_name = bprintf("%s_bb", cluster_id); - routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "", - ""); - A_surfxml_link_state = A_surfxml_link_state_ON; - A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE; +typedef struct { + s_routing_component_t generic_routing; + /* vars for calculate the floyd algorith. */ + 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; - SURFXML_START_TAG(link); - SURFXML_END_TAG(link); +/* Business methods */ - free(backbone_name); +static route_extended_t floyd_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_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 first = 1; + int pred = *dst_id; + int prev_pred = 0; + char *gw_src,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw; + unsigned int cpt; + void* link; + xbt_dynar_t links; + + do { + prev_pred = pred; + pred = TO_FLOYD_PRED(*src_id, pred); + if(pred == -1) // if no pred in route -> no route to host + break; + xbt_assert2(TO_FLOYD_LINK(pred,prev_pred),"Invalid link for the route between \"%s\" or \"%s\"", src, dst); + + prev_gw_src = gw_src; + prev_gw_dst = gw_dst; + + route_extended_t e_route = TO_FLOYD_LINK(pred,prev_pred); + gw_src = e_route->src_gateway; + gw_dst = e_route->dst_gateway; + + if(first) first_gw = gw_dst; + + if(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_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); + } + first=0; + + } while(pred != *src_id); + 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 = gw_src; + new_e_route->dst_gateway = first_gw; + } + + return new_e_route; +} - /* Restore buff */ - surfxml_bufferstack_pop(1); +static void floyd_finalize(routing_component_t rc) { + routing_component_floyd_t routing = (routing_component_floyd_t)rc; + int i,j,table_size; + if (routing) { + table_size = xbt_dict_length(routing->to_index); + /* Delete link_table */ + 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 */ + xbt_free(routing->predecessor_table); + /* Delete structure */ + xbt_free(rc); + } } -/* ************************************************************************** */ -/* *************************** FLOYD ROUTING ********************************* */ -typedef struct { - s_routing_t generic_routing; - int *predecessor_table; - void** link_table; - xbt_dynar_t last_route; - void *loopback; - size_t size_of_link; -} s_routing_floyd_t,*routing_floyd_t; +static void* model_floyd_create(void) { + routing_component_floyd_t new_component = xbt_new0(s_routing_component_floyd_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 = 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; +} -#define FLOYD_COST(i,j) cost_table[(i)+(j)*(used_routing)->host_count] -#define FLOYD_PRED(i,j) ((routing_floyd_t)used_routing)->predecessor_table[(i)+(j)*(used_routing)->host_count] -#define FLOYD_LINK(i,j) ((routing_floyd_t)used_routing)->link_table[(i)+(j)*(used_routing)->host_count] +static void model_floyd_load(void) { + /* use "surfxml_add_callback" to add a parse function call */ +} -static void routing_floyd_parse_end(void) { +static void model_floyd_unload(void) { + /* use "surfxml_del_callback" to remove a parse function call */ +} - routing_floyd_t routing = (routing_floyd_t) used_routing; - int nb_link = 0; - void* link_list = NULL; - double * cost_table; +static void model_floyd_end(void) { + + routing_component_floyd_t routing = ((routing_component_floyd_t)current_routing); xbt_dict_cursor_t cursor = NULL; - char *key,*data, *end; + double * cost_table; + char *key,*data, *end; //*src_name, *dst_name; const char *sep = "#"; - xbt_dynar_t links, keys; - - unsigned int i,j; - - int host_count = routing->generic_routing.host_count; + xbt_dynar_t keys; + int src_id, dst_id; + unsigned int i,j,a,b,c; + /* set the size of inicial table */ + int table_size = xbt_dict_length(routing->to_index); + /* Create Cost, Predecessor and Link tables */ - cost_table = xbt_new0(double, host_count * host_count); //link cost from host to host - routing->predecessor_table = xbt_new0(int, host_count*host_count); //predecessor host numbers - routing->link_table = xbt_new0(void*,host_count*host_count); //actual link between src and dst - routing->last_route = xbt_dynar_new(routing->size_of_link, NULL); + cost_table = xbt_new0(double, table_size*table_size); //link cost from host to host + routing->predecessor_table = xbt_new0(int, table_size*table_size); //predecessor host numbers + routing->link_table = xbt_new0(route_extended_t, table_size*table_size); //actual link between src and dst /* Initialize costs and predecessors*/ - for(i = 0; iparse_routes, cursor, key, data) { keys = xbt_str_split_str(key, sep); - - - src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16); - dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16); - xbt_dynar_free(&keys); - - DEBUG4("Handle %d %d (from %d hosts): %ld links", - src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links)); - xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id); - - char * link_name = xbt_dynar_getfirst_as(links, char*); - void * link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); - if (link) - link_list = link; - else - THROW1(mismatch_error,0,"Link %s not found", link_name); - - - FLOYD_LINK(src_id,dst_id) = link_list; - 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 - FLOYD_COST(src_id, dst_id) = 1; // assume 1 for now - + TO_FLOYD_COST(src_id,dst_id) = 1; // assume 1 for now // TODO DAVID REDO + xbt_dynar_free(&keys); } - /* Add the loopback if needed */ - for (i = 0; i < host_count; i++) - if (!FLOYD_PRED(i, i)) { - FLOYD_PRED(i, i) = i; - FLOYD_COST(i, i) = 1; - FLOYD_LINK(i, i) = routing->loopback; + /* Add the loopback if needed */ + 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 - unsigned int a,b,c; - for(c=0;clast_route); - - do { - prev_pred = pred; - pred = FLOYD_PRED(src_id, pred); - - if(pred == -1) // if no pred in route -> no route to host - break; - - xbt_dynar_unshift(routing->last_route, &FLOYD_LINK(pred,prev_pred)); - - } while(pred != src_id); - - xbt_assert2(pred != -1, "no route from host %d to %d", src_id, dst_id); - - return routing->last_route; -} - -static void routing_floyd_finalize(void) { - routing_floyd_t routing = (routing_floyd_t)used_routing; - - if (routing) { - free(routing->link_table); - free(routing->predecessor_table); - xbt_dynar_free(&routing->last_route); - xbt_dict_free(&used_routing->host_id); - free(routing); - routing=NULL; + /* delete the parse table */ + xbt_dict_foreach(routing->parse_routes, cursor, key, data) { + route_t route = (route_t)data; + xbt_dynar_free(&(route->link_list)); + xbt_free(data); } -} - -static void routing_model_floyd_create(size_t size_of_link,void *loopback) { - /* initialize our structure */ - routing_floyd_t routing = xbt_new0(s_routing_floyd_t,1); - routing->generic_routing.name = "Floyd"; - routing->generic_routing.host_count = 0; - routing->generic_routing.host_id = xbt_dict_new(); - routing->generic_routing.get_route = routing_floyd_get_route; - routing->generic_routing.finalize = routing_floyd_finalize; - routing->size_of_link = size_of_link; - routing->loopback = loopback; - - /* Set it in position */ - used_routing = (routing_t) routing; - - /* Setup the parsing callbacks we need */ - surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); - surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_floyd_parse_end); - surfxml_add_callback(STag_surfxml_route_cb_list, - &routing_full_parse_Sroute_set_endpoints); - surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute); - surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster); + /* delete parse dict */ + xbt_dict_free(&(routing->parse_routes)); + + //cleanup + xbt_free(cost_table); } /* ************************************************************************** */ /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */ + typedef struct { - s_routing_t generic_routing; - xbt_graph_t route_graph; - xbt_dict_t graph_node_map; - xbt_dict_t route_cache; - xbt_dynar_t last_route; + s_routing_component_t generic_routing; + 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; - void *loopback; - size_t size_of_link; -} s_routing_dijkstra_t,*routing_dijkstra_t; + xbt_dict_t parse_routes; +} s_routing_component_dijkstra_t,*routing_component_dijkstra_t; typedef struct graph_node_data { @@ -577,57 +1046,63 @@ typedef struct route_cache_element { int size; } s_route_cache_element_t, * route_cache_element_t; -/* - * Free functions - */ +/* Free functions */ + static void route_cache_elem_free(void *e) { route_cache_element_t elm=(route_cache_element_t)e; - if (elm) { - free(elm->pred_arr); - free(elm); + xbt_free(elm->pred_arr); + xbt_free(elm); } } static void graph_node_map_elem_free(void *e) { graph_node_map_element_t elm = (graph_node_map_element_t)e; - if(elm) { - free(elm); + xbt_free(elm); } } -/* - * Utility functions -*/ -static xbt_node_t route_graph_new_node(int id, int graph_id) { - routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +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); + } +} + +/* 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; - graph_node_data_t data = xbt_new0(struct graph_node_data, sizeof(struct graph_node_data)); + data = xbt_new0(struct graph_node_data, 1); // FIXED by david data->id = id; data->graph_id = graph_id; - xbt_node_t node = xbt_graph_new_node(routing->route_graph, data); + node = xbt_graph_new_node(routing->route_graph, data); - graph_node_map_element_t elm = xbt_new0(struct graph_node_map_element, sizeof(struct graph_node_map_element)); + elm = xbt_new0(struct graph_node_map_element, 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(int id) { - routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; - + +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; } -/* - * Parsing - */ -static void route_new_dijkstra(int src_id, int dst_id, void* link) { - routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +/* 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; @@ -642,122 +1117,112 @@ static void route_new_dijkstra(int src_id, int dst_id, void* link) { //add nodes if they don't exist in the graph if(src_id == dst_id && src == NULL && dst == NULL) { - src = route_graph_new_node(src_id, -1); + src = route_graph_new_node(rc,src_id, -1); dst = src; } else { if(src == NULL) { - src = route_graph_new_node(src_id, -1); + src = route_graph_new_node(rc,src_id, -1); } - if(dst == NULL) { - dst = route_graph_new_node(dst_id, -1); + dst = route_graph_new_node(rc,dst_id, -1); } } //add link as edge to graph - xbt_graph_new_edge(routing->route_graph, src, dst, link); - -} - -static void add_loopback_dijkstra(void) { - routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; - - 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) - xbt_graph_new_edge(routing->route_graph, node, node, &routing->loopback); - } -} - -static void routing_dijkstra_parse_end(void) { - routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; - int nb_link = 0; - xbt_dict_cursor_t cursor = NULL; - char *key, *data, *end; - const char *sep = "#"; - xbt_dynar_t links, keys; - - /* Create the topology graph */ - routing->route_graph = xbt_graph_new_graph(1, NULL); - routing->graph_node_map = xbt_dict_new(); - routing->last_route = xbt_dynar_new(routing->size_of_link, NULL); - if(routing->cached) - routing->route_cache = xbt_dict_new(); - - - /* Put the routes in position */ - xbt_dict_foreach(route_table, cursor, key, data) { - nb_link = 0; - links = (xbt_dynar_t) data; - keys = xbt_str_split_str(key, sep); - - src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16); - dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16); - xbt_dynar_free(&keys); - - DEBUG4("Handle %d %d (from %d hosts): %ld links", - src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links)); - - xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id); - - char* link_name = xbt_dynar_getfirst_as(links, char*); - void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); - if (link) - route_new_dijkstra(src_id,dst_id,link); - else - THROW1(mismatch_error,0,"Link %s not found", link_name); - - } + xbt_graph_new_edge(routing->route_graph, src, dst, e_route); +} - /* Add the loopback if needed */ - add_loopback_dijkstra(); +static void add_loopback_dijkstra(routing_component_dijkstra_t rc) { + routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc; - /* initialize graph indexes in nodes after graph has been built */ 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) { - graph_node_data_t data = xbt_graph_node_get_data(node); - data->graph_id = cursor2; - } + 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); + } + } } -/* - * Business methods - */ -static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { +/* Business methods */ - routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; - int * pred_arr = NULL; +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); - /*Use the graph_node id mapping set to quickly find the nodes */ - graph_node_map_element_t src_elm = graph_node_map_search(src_id); - graph_node_map_element_t dst_elm = graph_node_map_search(dst_id); - xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", src_id, dst_id); - int src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id; - int dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id; - - route_cache_element_t elm = NULL; + 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); + + // TODO: correct the order + 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)); @@ -771,9 +1236,9 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { 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, free); + 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; @@ -786,7 +1251,7 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { pred_arr[i] = 0; //initialize priority queue - int * nodeid = xbt_new0(int, 1); + nodeid = xbt_new0(int, 1); *nodeid = i; xbt_heap_push(pqueue, nodeid, cost_arr[i]); @@ -804,129 +1269,1772 @@ static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { 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; - int cost_v_u = 1; //fixed link cost for now + int cost_v_u = 1; //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]; - int * nodeid = xbt_new0(int, 1); + nodeid = xbt_new0(int, 1); *nodeid = u_id; xbt_heap_push(pqueue, nodeid, cost_arr[u_id]); } } //free item popped from pqueue - free(v_id); + xbt_free(v_id); } - free(cost_arr); + xbt_free(cost_arr); xbt_heap_free(pqueue); } - + //compose route path with links - xbt_dynar_reset(routing->last_route); - - int v; - int size = 0; + 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); - - void * link = xbt_graph_edge_get_data(edge); - xbt_dynar_unshift(routing->last_route, &link); + 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, sizeof(struct route_cache_element)); + 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) - free(pred_arr); - - return routing->last_route; + xbt_free(pred_arr); + + return new_e_route; } - -static void routing_dijkstra_finalize(void) { - routing_dijkstra_t routing = (routing_dijkstra_t)used_routing; +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, &free, NULL, &free); + 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); - xbt_dynar_free(&routing->last_route); - xbt_dict_free(&used_routing->host_id); - free(routing); - routing=NULL; + /* Delete bypass dict */ + xbt_dict_free(&routing->bypassRoutes); + /* Delete index dict */ + xbt_dict_free(&(routing->to_index)); + /* Delete structure */ + xbt_free(routing); } } -/* - * - */ -static void routing_model_dijkstraboth_create(size_t size_of_link,void *loopback, int cached) { - /* initialize our structure */ - routing_dijkstra_t routing = xbt_new0(s_routing_dijkstra_t,1); - routing->generic_routing.name = "Dijkstra"; - routing->generic_routing.host_count = 0; - routing->generic_routing.get_route = routing_dijkstra_get_route; - routing->generic_routing.finalize = routing_dijkstra_finalize; - routing->size_of_link = size_of_link; - routing->loopback = loopback; - routing->cached = cached; +/* 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; +} - /* Set it in position */ - used_routing = (routing_t) routing; +static void* model_dijkstra_create(void) { + return model_dijkstra_both_create(0); +} - /* Setup the parsing callbacks we need */ - routing->generic_routing.host_id = xbt_dict_new(); - surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); - surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_dijkstra_parse_end); - surfxml_add_callback(STag_surfxml_route_cb_list, - &routing_full_parse_Sroute_set_endpoints); - surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute); - surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster); +static void* model_dijkstracache_create(void) { + return model_dijkstra_both_create(1); } -static void routing_model_dijkstra_create(size_t size_of_link,void *loopback) { - routing_model_dijkstraboth_create(size_of_link, loopback, 0); +static void model_dijkstra_both_load(void) { + /* use "surfxml_add_callback" to add a parse function call */ } -static void routing_model_dijkstracache_create(size_t size_of_link,void *loopback) { - routing_model_dijkstraboth_create(size_of_link, loopback, 1); +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 ******************************* */ + +/* Routing model structure */ +typedef struct { + s_routing_component_t generic_routing; +} s_routing_component_none_t,*routing_component_none_t; + +/* Business methods */ +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(void) { + routing_component_none_t new_component = xbt_new0(s_routing_component_none_t,1); + 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(void) {} +static void model_none_unload(void) {} +static void model_none_end(void) {} + /* ************************************************** */ -/* ********** NO ROUTING **************************** */ +/* ********** PATERN FOR NEW ROUTING **************** */ + +/* The minimal configuration of a new routing model need the next functions, + * 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 ***/ +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 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;} +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(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("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("Load Autonomous system \"%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_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; + 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(_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("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 _parse_routes; + xbt_dict_t _to_index; + char *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(_parse_routes, route_name, e_route, NULL); + xbt_free(route_name); +} -static void routing_none_finalize(void) { - if (used_routing) { - xbt_dict_free(&used_routing->host_id); - free(used_routing); - used_routing=NULL; +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; } -static void routing_model_none_create(size_t size_of_link,void *loopback) { - routing_t routing = xbt_new0(s_routing_t,1); - INFO0("Null routing"); - routing->name = "none"; - routing->host_count = 0; - routing->host_id = xbt_dict_new(); - routing->get_route = NULL; - routing->finalize = routing_none_finalize; +/* ************************************************************************** */ +/* ************************* GENERIC AUX FUNCTIONS ************************** */ - /* Set it in position */ - used_routing = (routing_t) routing; +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; + route_t route; + unsigned int cpt; + xbt_dynar_t links, links_id; + + 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; + + xbt_assert0(hierarchy == SURF_ROUTING_BASE || hierarchy == SURF_ROUTING_RECURSIVE, + "the hierarchy type is not defined"); + + if(hierarchy == SURF_ROUTING_BASE ) { + + route = (route_t)data; + links = route->link_list; + + } else if(hierarchy == SURF_ROUTING_RECURSIVE ) { + + e_route = (route_extended_t)data; + 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 */ + new_e_route->src_gateway = e_route->src_gateway; + new_e_route->dst_gateway = e_route->dst_gateway; + } + + links_id = new_e_route->generic_route.link_list; + + xbt_dynar_foreach(links, cpt, link_name) { + + void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); + if (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); + } + + 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 +//////////////////////////////////////////////////////////////////////////////// + +//...... DEBUG ONLY .... // +static void print_tree(routing_component_t rc) { + printf("(%s %s)\n",rc->name,rc->routing->name); + printf(" "); + xbt_dict_cursor_t cursor = NULL; + char *key; + int *val; + if( rc->routing == &(routing_models[SURF_MODEL_FULL]) ) + { xbt_dict_foreach(((routing_component_full_t)rc)->to_index, cursor, key, val) { printf("<%s-%d> ",key,*val); } } + else if( rc->routing == &(routing_models[SURF_MODEL_FLOYD]) ) + { xbt_dict_foreach(((routing_component_floyd_t)rc)->to_index, cursor, key, val) { printf("<%s-%d> ",key,*val); } + } + else + xbt_assert0(0, "Invalid model for call \"print_tree\""); + printf("\n"); + routing_component_t elem; + xbt_dict_foreach(rc->routing_sons, cursor, key, elem) { + printf("<--\n"); + print_tree(elem); + printf("-->\n"); + } +} + +//...... DEBUG ONLY .... // +static void print_global() { + xbt_dict_cursor_t cursor = NULL; + char *key; + routing_component_t elem; + xbt_dict_foreach(global_routing->where_network_elements, cursor, key, elem) { printf("<%s>\n",key); } +} + +//...... DEBUG ONLY .... // +static void print_AS_start(void) { printf("AS!!! %s y se rutea \"%s\"\n",A_surfxml_AS_id,A_surfxml_AS_routing); } +static void print_AS_end(void) { printf("AS!!! %s\n",A_surfxml_AS_id); } +static void print_host(void) { printf("host!!! %s\n",A_surfxml_host_id); } +static void print_link(void) { printf("link!!! %s\n",A_surfxml_link_id); } +static void print_route(void) { printf("route!!! %s a %s\n",A_surfxml_route_src,A_surfxml_route_dst); } +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"); + +// 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"); +// const char* names[] = { "11.A","11.B","11.C"}; +// int i,j,total = 3; + +// const char* names[] = { "141.A","141.B","143.A","143.B"}; +// int i,j,total = 4; + +// 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", + "13.A","13.B", + "141.A","141.B", + "142.A","142.B","142.C", + "143.A","143.B", + "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>>\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; + printf(" %s",generic_resource->name); + } + printf("\n"); + } + } + printf("----------------------------------\n\n"); + + printf("---------- call finalize ---------\n"); + (*(global_routing->finalize))(); + printf("----------------------------------\n"); + + exit(0); +} + +//////////////////////////////////////////////////////////////////////////////// +// HERE END THE NEW CODE +//////////////////////////////////////////////////////////////////////////////// + + +// /* ************************************************************************** */ +// /* *************************** FULL ROUTING ********************************* */ +// typedef struct { +// s_routing_t generic_routing; +// xbt_dynar_t *routing_table; +// void *loopback; +// size_t size_of_link; +// } s_routing_full_t,*routing_full_t; +// +// #define ROUTE_FULL(i,j) ((routing_full_t)used_routing)->routing_table[(i)+(j)*(used_routing)->host_count] +// #define HOST2ROUTER(id) ((id)+(2<<29)) +// #define ROUTER2HOST(id) ((id)-(2>>29)) +// #define ISROUTER(id) ((id)>=(2<<29)) +// +// /* +// * Free the onelink routes +// */ +// static void onelink_route_elem_free(void *e) { +// s_onelink_t tmp = (s_onelink_t)e; +// if(tmp) { +// free(tmp); +// } +// } +// +// /* +// * Parsing +// */ +// static void routing_full_parse_Shost(void) { +// int *val = xbt_malloc(sizeof(int)); +// DEBUG2("Seen host %s (#%d)",A_surfxml_host_id,used_routing->host_count); +// *val = used_routing->host_count++; +// xbt_dict_set(used_routing->host_id,A_surfxml_host_id,val,xbt_free); +// #ifdef HAVE_TRACING +// TRACE_surf_host_define_id (A_surfxml_host_id, *val); +// #endif +// } +// +// static void routing_full_parse_Srouter(void) { +// int *val = xbt_malloc(sizeof(int)); +// DEBUG3("Seen router %s (%d -> #%d)",A_surfxml_router_id,used_routing->router_count, +// HOST2ROUTER(used_routing->router_count)); +// *val = HOST2ROUTER(used_routing->router_count++); +// xbt_dict_set(used_routing->host_id,A_surfxml_router_id,val,xbt_free); +// #ifdef HAVE_TRACING +// TRACE_surf_host_define_id (A_surfxml_host_id, *val); +// TRACE_surf_host_declaration (A_surfxml_host_id, 0); +// #endif +// } +// +// static int src_id = -1; +// static int dst_id = -1; +// static void routing_full_parse_Sroute_set_endpoints(void) +// { +// src_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_src); +// dst_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_dst); +// DEBUG4("Route %s %d -> %s %d",A_surfxml_route_src,src_id,A_surfxml_route_dst,dst_id); +// route_action = A_surfxml_route_action; +// } +// +// static void routing_full_parse_Eroute(void) +// { +// char *name; +// if (src_id != -1 && dst_id != -1) { +// name = bprintf("%x#%x", src_id, dst_id); +// manage_route(route_table, name, route_action, 0); +// free(name); +// } +// } +// +// /* Cluster tag functions */ +// +// static void routing_full_parse_change_cpu_data(const char *hostName, +// const char *surfxml_host_power, +// const char *surfxml_host_availability, +// const char *surfxml_host_availability_file, +// const char *surfxml_host_state_file) +// { +// int AX_ptr = 0; +// +// SURFXML_BUFFER_SET(host_id, hostName); +// SURFXML_BUFFER_SET(host_power, surfxml_host_power /*hostPower */ ); +// SURFXML_BUFFER_SET(host_availability, surfxml_host_availability); +// SURFXML_BUFFER_SET(host_availability_file, surfxml_host_availability_file); +// SURFXML_BUFFER_SET(host_state_file, surfxml_host_state_file); +// } +// +// static void routing_full_parse_change_link_data(const char *linkName, +// const char *surfxml_link_bandwidth, +// const char *surfxml_link_bandwidth_file, +// const char *surfxml_link_latency, +// const char *surfxml_link_latency_file, +// const char *surfxml_link_state_file) +// { +// int AX_ptr = 0; +// +// SURFXML_BUFFER_SET(link_id, linkName); +// SURFXML_BUFFER_SET(link_bandwidth, surfxml_link_bandwidth); +// SURFXML_BUFFER_SET(link_bandwidth_file, surfxml_link_bandwidth_file); +// SURFXML_BUFFER_SET(link_latency, surfxml_link_latency); +// SURFXML_BUFFER_SET(link_latency_file, surfxml_link_latency_file); +// SURFXML_BUFFER_SET(link_state_file, surfxml_link_state_file); +// } +// +// static void routing_full_parse_Scluster(void) +// { +// static int AX_ptr = 0; +// +// char *cluster_id = A_surfxml_cluster_id; +// char *cluster_prefix = A_surfxml_cluster_prefix; +// char *cluster_suffix = A_surfxml_cluster_suffix; +// char *cluster_radical = A_surfxml_cluster_radical; +// char *cluster_power = A_surfxml_cluster_power; +// char *cluster_bw = A_surfxml_cluster_bw; +// char *cluster_lat = A_surfxml_cluster_lat; +// char *cluster_bb_bw = A_surfxml_cluster_bb_bw; +// char *cluster_bb_lat = A_surfxml_cluster_bb_lat; +// char *backbone_name; +// unsigned int it1,it2; +// char *name1,*name2; +// xbt_dynar_t names = NULL; +// surfxml_bufferstack_push(1); +// +// /* Make set a set to parse the prefix/suffix/radical into a neat list of names */ +// DEBUG4("Make ", +// cluster_id,cluster_prefix,cluster_suffix,cluster_radical); +// SURFXML_BUFFER_SET(set_id, cluster_id); +// SURFXML_BUFFER_SET(set_prefix, cluster_prefix); +// SURFXML_BUFFER_SET(set_suffix, cluster_suffix); +// SURFXML_BUFFER_SET(set_radical, cluster_radical); +// +// SURFXML_START_TAG(set); +// SURFXML_END_TAG(set); +// +// names = xbt_dict_get(set_list,cluster_id); +// +// xbt_dynar_foreach(names,it1,name1) { +// /* create the host */ +// routing_full_parse_change_cpu_data(name1, cluster_power, "1.0", "", ""); +// A_surfxml_host_state = A_surfxml_host_state_ON; +// +// SURFXML_START_TAG(host); +// SURFXML_END_TAG(host); +// +// /* Here comes the link */ +// routing_full_parse_change_link_data(name1, cluster_bw, "", cluster_lat, "", ""); +// A_surfxml_link_state = A_surfxml_link_state_ON; +// A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED; +// +// SURFXML_START_TAG(link); +// SURFXML_END_TAG(link); +// } +// +// /* Make backbone link */ +// backbone_name = bprintf("%s_bb", cluster_id); +// routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "", +// ""); +// A_surfxml_link_state = A_surfxml_link_state_ON; +// A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE; +// +// SURFXML_START_TAG(link); +// SURFXML_END_TAG(link); +// +// /* And now the internal routes */ +// xbt_dynar_foreach(names,it1,name1) { +// xbt_dynar_foreach(names,it2,name2) { +// if (strcmp(name1,name2)) { +// A_surfxml_route_action = A_surfxml_route_action_POSTPEND; +// SURFXML_BUFFER_SET(route_src,name1); +// SURFXML_BUFFER_SET(route_dst,name2); +// SURFXML_START_TAG(route); { +// /* FIXME: name1 link is added by error about 20 lines below, so don't add it here +// SURFXML_BUFFER_SET(link_c_ctn_id, name1); +// SURFXML_START_TAG(link_c_ctn); +// SURFXML_END_TAG(link_c_ctn); +// */ +// SURFXML_BUFFER_SET(link_c_ctn_id, backbone_name); +// SURFXML_START_TAG(link_c_ctn); +// SURFXML_END_TAG(link_c_ctn); +// +// SURFXML_BUFFER_SET(link_c_ctn_id, name2); +// SURFXML_START_TAG(link_c_ctn); +// SURFXML_END_TAG(link_c_ctn); +// +// } SURFXML_END_TAG(route); +// } +// } +// } +// +// /* Make route multi with the outside world, i.e. cluster->$* */ +// +// /* FIXME +// * This also adds an elements to the routes within the cluster, +// * and I guess it's wrong, but since this element is commented out in the above +// * code creating the internal routes, we're good. +// * To fix it, I'd say that we need a way to understand "$*-${cluster_id}" as "whole world, but the guys in that cluster" +// * But for that, we need to install a real expression parser for src/dst attributes +// * +// * FIXME +// * This also adds a dumb element (the private link) in place of the loopback. Then, since +// * the loopback is added only if no link to self already exist, this fails. +// * That's really dumb. +// * +// * FIXME +// * It seems to me that it does not add the backbone to the path to outside world... +// */ +// SURFXML_BUFFER_SET(route_c_multi_src, cluster_id); +// SURFXML_BUFFER_SET(route_c_multi_dst, "$*"); +// A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO; +// A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_PREPEND; +// +// SURFXML_START_TAG(route_c_multi); +// +// SURFXML_BUFFER_SET(link_c_ctn_id, "$src"); +// +// SURFXML_START_TAG(link_c_ctn); +// SURFXML_END_TAG(link_c_ctn); +// +// SURFXML_END_TAG(route_c_multi); +// +// free(backbone_name); +// +// /* Restore buff */ +// surfxml_bufferstack_pop(1); +// } +// +// +// static void routing_full_parse_end(void) { +// routing_full_t routing = (routing_full_t) used_routing; +// int nb_link = 0; +// unsigned int cpt = 0; +// xbt_dict_cursor_t cursor = NULL; +// char *key, *data, *end; +// const char *sep = "#"; +// xbt_dynar_t links, keys; +// char *link_name = NULL; +// int i,j; +// +// int host_count = routing->generic_routing.host_count; +// +// /* Create the routing table */ +// routing->routing_table = xbt_new0(xbt_dynar_t, host_count * host_count); +// for (i=0;isize_of_link,NULL); +// +// /* Put the routes in position */ +// xbt_dict_foreach(route_table, cursor, key, data) { +// nb_link = 0; +// links = (xbt_dynar_t) data; +// keys = xbt_str_split_str(key, sep); +// +// src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16); +// dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16); +// xbt_dynar_free(&keys); +// +// if(xbt_dynar_length(links) == 1){ +// s_onelink_t new_link = (s_onelink_t) xbt_malloc0(sizeof(s_onelink)); +// new_link->src_id = src_id; +// new_link->dst_id = dst_id; +// link_name = xbt_dynar_getfirst_as(links, char*); +// new_link->link_ptr = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); +// DEBUG3("Adding onelink route from (#%d) to (#%d), link_name %s",src_id, dst_id, link_name); +// xbt_dict_set(onelink_routes, link_name, (void *)new_link, onelink_route_elem_free); +// #ifdef HAVE_TRACING +// TRACE_surf_link_save_endpoints (link_name, src_id, dst_id); +// #endif +// } +// +// if(ISROUTER(src_id) || ISROUTER(dst_id)) { +// DEBUG2("There is route with a router here: (%d ,%d)",src_id,dst_id); +// /* Check there is only one link in the route and store the information */ +// continue; +// } +// +// DEBUG4("Handle %d %d (from %d hosts): %ld links", +// src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links)); +// xbt_dynar_foreach(links, cpt, link_name) { +// void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); +// if (link) +// xbt_dynar_push(ROUTE_FULL(src_id,dst_id),&link); +// else +// THROW1(mismatch_error,0,"Link %s not found", link_name); +// } +// } +// +// /* Add the loopback if needed */ +// for (i = 0; i < host_count; i++) +// if (!xbt_dynar_length(ROUTE_FULL(i, i))) +// xbt_dynar_push(ROUTE_FULL(i,i),&routing->loopback); +// +// /* Shrink the dynar routes (save unused slots) */ +// for (i=0;ihost_count; i++) +// for (j = 0; j < used_routing->host_count; j++) +// xbt_dynar_free(&ROUTE_FULL(i, j)); +// free(routing->routing_table); +// xbt_dict_free(&used_routing->host_id); +// xbt_dict_free(&onelink_routes); +// free(routing); +// routing=NULL; +// } +// } +// +// static void routing_model_full_create(size_t size_of_link,void *loopback) { +// /* initialize our structure */ +// routing_full_t routing = xbt_new0(s_routing_full_t,1); +// routing->generic_routing.name = "Full"; +// routing->generic_routing.host_count = 0; +// routing->generic_routing.get_route = routing_full_get_route; +// routing->generic_routing.get_onelink_routes = routing_full_get_onelink_routes; +// routing->generic_routing.is_router = routing_full_is_router; +// routing->generic_routing.finalize = routing_full_finalize; +// +// routing->size_of_link = size_of_link; +// routing->loopback = loopback; +// +// /* Set it in position */ +// used_routing = (routing_t) routing; +// +// /* Set the dict for onehop routes */ +// onelink_routes = xbt_dict_new(); +// +// routing->generic_routing.host_id = xbt_dict_new(); +// +// /* Setup the parsing callbacks we need */ +// // surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); +// // surfxml_add_callback(STag_surfxml_router_cb_list, &routing_full_parse_Srouter); +// // surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_full_parse_end); +// // surfxml_add_callback(STag_surfxml_route_cb_list, &routing_full_parse_Sroute_set_endpoints); +// // surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute); +// // surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_full_parse_Scluster); +// +// // surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); +// // surfxml_add_callback(STag_surfxml_router_cb_list, &routing_full_parse_Srouter); +// +// } + +/* ************************************************************************** */ + +// static void routing_shortest_path_parse_Scluster(void) +// { +// static int AX_ptr = 0; +// +// char *cluster_id = A_surfxml_cluster_id; +// char *cluster_prefix = A_surfxml_cluster_prefix; +// char *cluster_suffix = A_surfxml_cluster_suffix; +// char *cluster_radical = A_surfxml_cluster_radical; +// char *cluster_power = A_surfxml_cluster_power; +// char *cluster_bb_bw = A_surfxml_cluster_bb_bw; +// char *cluster_bb_lat = A_surfxml_cluster_bb_lat; +// char *backbone_name; +// +// surfxml_bufferstack_push(1); +// +// /* Make set */ +// SURFXML_BUFFER_SET(set_id, cluster_id); +// SURFXML_BUFFER_SET(set_prefix, cluster_prefix); +// SURFXML_BUFFER_SET(set_suffix, cluster_suffix); +// SURFXML_BUFFER_SET(set_radical, cluster_radical); +// +// SURFXML_START_TAG(set); +// SURFXML_END_TAG(set); +// +// /* Make foreach */ +// SURFXML_BUFFER_SET(foreach_set_id, cluster_id); +// +// SURFXML_START_TAG(foreach); +// +// /* Make host for the foreach */ +// routing_full_parse_change_cpu_data("$1", cluster_power, "1.0", "", ""); +// A_surfxml_host_state = A_surfxml_host_state_ON; +// +// SURFXML_START_TAG(host); +// SURFXML_END_TAG(host); +// +// SURFXML_END_TAG(foreach); +// +// /* Make backbone link */ +// backbone_name = bprintf("%s_bb", cluster_id); +// routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "", +// ""); +// A_surfxml_link_state = A_surfxml_link_state_ON; +// A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE; +// +// SURFXML_START_TAG(link); +// SURFXML_END_TAG(link); +// +// free(backbone_name); +// +// /* Restore buff */ +// surfxml_bufferstack_pop(1); +// } +// +// /* ************************************************************************** */ +// /* *************************** FLOYD ROUTING ********************************* */ +// typedef struct { +// s_routing_t generic_routing; +// int *predecessor_table; +// void** link_table; +// xbt_dynar_t last_route; +// void *loopback; +// size_t size_of_link; +// } s_routing_floyd_t,*routing_floyd_t; +// +// #define FLOYD_COST(i,j) cost_table[(i)+(j)*(used_routing)->host_count] +// #define FLOYD_PRED(i,j) ((routing_floyd_t)used_routing)->predecessor_table[(i)+(j)*(used_routing)->host_count] +// #define FLOYD_LINK(i,j) ((routing_floyd_t)used_routing)->link_table[(i)+(j)*(used_routing)->host_count] +// +// static void routing_floyd_parse_end(void) { +// +// routing_floyd_t routing = (routing_floyd_t) used_routing; +// int nb_link = 0; +// void* link_list = NULL; +// double * cost_table; +// xbt_dict_cursor_t cursor = NULL; +// char *key,*data, *end; +// const char *sep = "#"; +// xbt_dynar_t links, keys; +// +// unsigned int i,j; +// unsigned int a,b,c; +// int host_count = routing->generic_routing.host_count; +// char * link_name = NULL; +// void * link = NULL; +// +// /* Create Cost, Predecessor and Link tables */ +// cost_table = xbt_new0(double, host_count * host_count); //link cost from host to host +// routing->predecessor_table = xbt_new0(int, host_count*host_count); //predecessor host numbers +// routing->link_table = xbt_new0(void*,host_count*host_count); //actual link between src and dst +// routing->last_route = xbt_dynar_new(routing->size_of_link, NULL); +// +// /* Initialize costs and predecessors*/ +// for(i = 0; igeneric_routing.host_count,xbt_dynar_length(links)); +// xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id); +// +// link_name = xbt_dynar_getfirst_as(links, char*); +// link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); +// +// if (link) +// link_list = link; +// else +// THROW1(mismatch_error,0,"Link %s not found", link_name); +// +// +// FLOYD_LINK(src_id,dst_id) = link_list; +// FLOYD_PRED(src_id, dst_id) = src_id; +// +// //link cost +// FLOYD_COST(src_id, dst_id) = 1; // assume 1 for now +// +// } +// +// /* Add the loopback if needed */ +// for (i = 0; i < host_count; i++) +// if (!FLOYD_PRED(i, i)) { +// FLOYD_PRED(i, i) = i; +// FLOYD_COST(i, i) = 1; +// FLOYD_LINK(i, i) = routing->loopback; +// } +// +// +// //Calculate path costs +// +// for(c=0;clast_route); +// +// do { +// prev_pred = pred; +// pred = FLOYD_PRED(src_id, pred); +// +// if(pred == -1) // if no pred in route -> no route to host +// break; +// +// xbt_dynar_unshift(routing->last_route, &FLOYD_LINK(pred,prev_pred)); +// +// } while(pred != src_id); +// +// xbt_assert2(pred != -1, "no route from host %d to %d", src_id, dst_id); +// +// return routing->last_route; +// } +// +// static void routing_floyd_finalize(void) { +// routing_floyd_t routing = (routing_floyd_t)used_routing; +// +// if (routing) { +// free(routing->link_table); +// free(routing->predecessor_table); +// xbt_dynar_free(&routing->last_route); +// xbt_dict_free(&used_routing->host_id); +// free(routing); +// routing=NULL; +// } +// } +// +// static xbt_dict_t routing_floyd_get_onelink_routes(void){ +// xbt_assert0(0,"The get_onelink_routes feature is not supported in routing model Floyd"); +// } +// +// static int routing_floyd_is_router(int id){ +// xbt_assert0(0,"The get_is_router feature is not supported in routing model Floyd"); +// } +// +// static void routing_model_floyd_create(size_t size_of_link,void *loopback) { +// /* initialize our structure */ +// routing_floyd_t routing = xbt_new0(s_routing_floyd_t,1); +// routing->generic_routing.name = "Floyd"; +// routing->generic_routing.host_count = 0; +// routing->generic_routing.host_id = xbt_dict_new(); +// routing->generic_routing.get_route = routing_floyd_get_route; +// routing->generic_routing.get_onelink_routes = routing_floyd_get_onelink_routes; +// routing->generic_routing.is_router = routing_floyd_is_router; +// routing->generic_routing.finalize = routing_floyd_finalize; +// routing->size_of_link = size_of_link; +// routing->loopback = loopback; +// +// /* Set it in position */ +// used_routing = (routing_t) routing; +// +// /* Setup the parsing callbacks we need */ +// surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); +// surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_floyd_parse_end); +// surfxml_add_callback(STag_surfxml_route_cb_list, +// &routing_full_parse_Sroute_set_endpoints); +// surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute); +// surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster); +// +// } +// +// /* ************************************************************************** */ +// /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */ +// typedef struct { +// s_routing_t generic_routing; +// xbt_graph_t route_graph; +// xbt_dict_t graph_node_map; +// xbt_dict_t route_cache; +// xbt_dynar_t last_route; +// int cached; +// void *loopback; +// size_t size_of_link; +// } s_routing_dijkstra_t,*routing_dijkstra_t; +// +// +// 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; +// +// typedef struct graph_node_map_element { +// xbt_node_t node; +// } s_graph_node_map_element_t, * graph_node_map_element_t; +// +// 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) { +// free(elm->pred_arr); +// free(elm); +// } +// } +// +// static void graph_node_map_elem_free(void *e) { +// graph_node_map_element_t elm = (graph_node_map_element_t)e; +// +// if(elm) { +// free(elm); +// } +// } +// +// /* +// * Utility functions +// */ +// static xbt_node_t route_graph_new_node(int id, int graph_id) { +// xbt_node_t node = NULL; +// graph_node_data_t data = NULL; +// graph_node_map_element_t elm = NULL; +// routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +// +// data = xbt_new0(struct graph_node_data, sizeof(struct graph_node_data)); +// 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, sizeof(struct graph_node_map_element)); +// elm->node = node; +// xbt_dict_set_ext(routing->graph_node_map, (char*)(&id), sizeof(int), (xbt_set_elm_t)elm, &graph_node_map_elem_free); +// +// return node; +// } +// +// static graph_node_map_element_t graph_node_map_search(int id) { +// routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +// +// 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; +// } +// +// /* +// * Parsing +// */ +// static void route_new_dijkstra(int src_id, int dst_id, void* link) { +// routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +// +// 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(src_id, -1); +// dst = src; +// } else { +// if(src == NULL) { +// src = route_graph_new_node(src_id, -1); +// } +// +// if(dst == NULL) { +// dst = route_graph_new_node(dst_id, -1); +// } +// } +// +// //add link as edge to graph +// xbt_graph_new_edge(routing->route_graph, src, dst, link); +// +// } +// +// static void add_loopback_dijkstra(void) { +// routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +// +// 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) +// xbt_graph_new_edge(routing->route_graph, node, node, &routing->loopback); +// } +// } +// +// static void routing_dijkstra_parse_end(void) { +// routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +// int nb_link = 0; +// xbt_dict_cursor_t cursor = NULL; +// char *key, *data, *end; +// const char *sep = "#"; +// xbt_dynar_t links, keys; +// char* link_name = NULL; +// void* link = NULL; +// xbt_node_t node = NULL; +// unsigned int cursor2; +// xbt_dynar_t nodes = NULL; +// /* Create the topology graph */ +// routing->route_graph = xbt_graph_new_graph(1, NULL); +// routing->graph_node_map = xbt_dict_new(); +// routing->last_route = xbt_dynar_new(routing->size_of_link, NULL); +// if(routing->cached) +// routing->route_cache = xbt_dict_new(); +// +// +// /* Put the routes in position */ +// xbt_dict_foreach(route_table, cursor, key, data) { +// nb_link = 0; +// links = (xbt_dynar_t) data; +// keys = xbt_str_split_str(key, sep); +// +// src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16); +// dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16); +// xbt_dynar_free(&keys); +// +// DEBUG4("Handle %d %d (from %d hosts): %ld links", +// src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links)); +// +// xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id); +// +// link_name = xbt_dynar_getfirst_as(links, char*); +// link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name); +// if (link) +// route_new_dijkstra(src_id,dst_id,link); +// else +// THROW1(mismatch_error,0,"Link %s not found", link_name); +// +// } +// +// /* Add the loopback if needed */ +// add_loopback_dijkstra(); +// +// /* 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; +// } +// +// } +// +// /* +// * Business methods +// */ +// static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) { +// +// routing_dijkstra_t routing = (routing_dijkstra_t) used_routing; +// int * pred_arr = NULL; +// int src_node_id = 0; +// int dst_node_id = 0; +// int * nodeid = NULL; +// int v; +// int size = 0; +// void * link = NULL; +// route_cache_element_t elm = NULL; +// xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph); +// +// /*Use the graph_node id mapping set to quickly find the nodes */ +// graph_node_map_element_t src_elm = graph_node_map_search(src_id); +// graph_node_map_element_t dst_elm = graph_node_map_search(dst_id); +// xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", src_id, dst_id); +// 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(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, 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; +// int cost_v_u = 1; //fixed link cost for now +// +// 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 +// free(v_id); +// } +// +// free(cost_arr); +// xbt_heap_free(pqueue); +// +// } +// +// //compose route path with links +// xbt_dynar_reset(routing->last_route); +// +// 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); +// +// link = xbt_graph_edge_get_data(edge); +// xbt_dynar_unshift(routing->last_route, &link); +// size++; +// } +// +// +// if(routing->cached && elm == NULL) { +// //add to predecessor list of the current src-host to cache +// elm = xbt_new0(struct route_cache_element, sizeof(struct route_cache_element)); +// 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) +// free(pred_arr); +// +// return routing->last_route; +// } +// +// +// static void routing_dijkstra_finalize(void) { +// routing_dijkstra_t routing = (routing_dijkstra_t)used_routing; +// +// if (routing) { +// xbt_graph_free_graph(routing->route_graph, &free, NULL, &free); +// xbt_dict_free(&routing->graph_node_map); +// if(routing->cached) +// xbt_dict_free(&routing->route_cache); +// xbt_dynar_free(&routing->last_route); +// xbt_dict_free(&used_routing->host_id); +// free(routing); +// routing=NULL; +// } +// } +// +// static xbt_dict_t routing_dijkstraboth_get_onelink_routes(void){ +// xbt_assert0(0,"The get_onelink_routes feature is not supported in routing model dijkstraboth"); +// } +// +// static int routing_dijkstraboth_is_router(int id){ +// xbt_assert0(0,"The get_is_router feature is not supported in routing model dijkstraboth"); +// } +// +// /* +// * +// */ +// static void routing_model_dijkstraboth_create(size_t size_of_link,void *loopback, int cached) { +// /* initialize our structure */ +// routing_dijkstra_t routing = xbt_new0(s_routing_dijkstra_t,1); +// routing->generic_routing.name = "Dijkstra"; +// routing->generic_routing.host_count = 0; +// routing->generic_routing.get_route = routing_dijkstra_get_route; +// routing->generic_routing.get_onelink_routes = routing_dijkstraboth_get_onelink_routes; +// routing->generic_routing.is_router = routing_dijkstraboth_is_router; +// routing->generic_routing.finalize = routing_dijkstra_finalize; +// routing->size_of_link = size_of_link; +// routing->loopback = loopback; +// routing->cached = cached; +// +// /* Set it in position */ +// used_routing = (routing_t) routing; +// +// /* Setup the parsing callbacks we need */ +// routing->generic_routing.host_id = xbt_dict_new(); +// surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost); +// surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_dijkstra_parse_end); +// surfxml_add_callback(STag_surfxml_route_cb_list, +// &routing_full_parse_Sroute_set_endpoints); +// surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute); +// surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster); +// } +// +// static void routing_model_dijkstra_create(size_t size_of_link,void *loopback) { +// routing_model_dijkstraboth_create(size_of_link, loopback, 0); +// } +// +// static void routing_model_dijkstracache_create(size_t size_of_link,void *loopback) { +// routing_model_dijkstraboth_create(size_of_link, loopback, 1); +// } + +/* ************************************************** */ +/* ********** NO ROUTING **************************** */ + + +// static void routing_none_finalize(void) { +// if (used_routing) { +// xbt_dict_free(&used_routing->host_id); +// free(used_routing); +// used_routing=NULL; +// } +// } +// +// static void routing_model_none_create(size_t size_of_link,void *loopback) { +// routing_t routing = xbt_new0(s_routing_t,1); +// INFO0("Null routing"); +// routing->name = "none"; +// routing->host_count = 0; +// routing->host_id = xbt_dict_new(); +// routing->get_onelink_routes = NULL; +// routing->is_router = NULL; +// routing->get_route = NULL; +// +// routing->finalize = routing_none_finalize; +// +// /* Set it in position */ +// used_routing = (routing_t) routing; +// }