X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3306173adf8a11cb32a60a7636181a230a7104ee..9f3d937b490d869f1f6e5baa007a65a0ad30205b:/src/surf/network_gtnets.c diff --git a/src/surf/network_gtnets.c b/src/surf/network_gtnets.c index 8804e19d13..21f23c7a07 100644 --- a/src/surf/network_gtnets.c +++ b/src/surf/network_gtnets.c @@ -9,8 +9,11 @@ #include "gtnets/gtnets_interface.h" #include "xbt/str.h" + +static double time_to_next_flow_completion = -1; + XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_gtnets, surf, - "Logging specific to the SURF network module"); + "Logging specific to the SURF network module"); /** QUESTIONS for GTNetS integration ** 1. Check that we did the right thing with name_service and get_resource_name @@ -22,11 +25,14 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_gtnets, surf, ** 6. We don't update "remaining" for ongoing flows. Is it bad? **/ +static int src_id = -1; +static int dst_id = -1; + /* Free memory for a network link */ static void link_free(void *nw_link) { - free(((network_link_GTNETS_t) nw_link)->name); - free(nw_link); + xbt_dict_free(&(((network_link_GTNETS_t) nw_link)->properties)); + surf_resource_free(nw_link); } /* Instantiate a new network link */ @@ -47,7 +53,7 @@ static void link_new(char *name, double bw, double lat, xbt_dict_t props) link_count++; /* - nw_link->model = (surf_model_t) surf_network_model; + nw_link->model = surf_network_model; nw_link->name = name; nw_link->bw_current = bw_initial; if (bw_trace) @@ -70,33 +76,27 @@ static void link_new(char *name, double bw, double lat, xbt_dict_t props) /* KF: Insert entry in the dictionary */ gtnets_link = xbt_new0(s_network_link_GTNETS_t, 1); - gtnets_link->name = name; + gtnets_link->generic_resource.name = name; gtnets_link->bw_current = bw; gtnets_link->lat_current = lat; gtnets_link->id = link_count; /* Add the properties */ - gtnets_link->properties = current_property_set; + gtnets_link->properties = props; xbt_dict_set(link_set, name, gtnets_link, link_free); return; } -/* free the network card */ -static void network_card_free(void *nw_card) -{ - free(((network_card_GTNETS_t) nw_card)->name); - free(nw_card); -} - /* Instantiate a new network card: MODIFYED BY KF */ static int network_card_new(const char *name) { static int card_count = -1; + XBT_IN1("(%s)", name); /* KF: Check that we haven't seen the network card before */ network_card_GTNETS_t card = - xbt_dict_get_or_null(network_card_set, name); + surf_model_resource_by_name(surf_network_model, name); if (!card) { /* KF: Increment the card counter for GTNetS */ @@ -104,51 +104,43 @@ static int network_card_new(const char *name) /* KF: just use the dictionary to map link names to link indices */ card = xbt_new0(s_network_card_GTNETS_t, 1); - card->name = xbt_strdup(name); + card->generic_resource.name = xbt_strdup(name); card->id = card_count; - xbt_dict_set(network_card_set, name, card, network_card_free); + xbt_dict_set(surf_model_resource_set(surf_network_model), name, card, + surf_resource_free); } + LOG1(xbt_log_priority_trace, " return %d", card->id); + XBT_OUT; /* KF: just return the GTNetS ID as the SURF ID */ return card->id; } /* Instantiate a new route: MODIFY BY KF */ -static void route_new(int src_id, int dst_id, char **links, int nb_link) +static void route_new(int src_id, int dst_id, network_link_GTNETS_t * links, + int nb_link) { -#if 0 - network_link_GTNETS_t *link_list = NULL; - int i; - - ROUTE_SIZE(src_id, dst_id) = nb_link; - link_list = (ROUTE(src_id, dst_id) = - xbt_new0(network_link_GTNETS_t, nb_link)); - for (i = 0; i < nb_link; i++) { - link_list[i] = xbt_dict_get_or_null(link_set, links[i]); - free(links[i]); - } - free(links); -#endif int i; int *gtnets_links; + XBT_IN4("(src_id=%d, dst_id=%d, links=%p, nb_link=%d)", + src_id, dst_id, links, nb_link); /* KF: Build the list of gtnets link IDs */ gtnets_links = (int *) calloc(nb_link, sizeof(int)); for (i = 0; i < nb_link; i++) { - gtnets_links[i] = - ((network_link_GTNETS_t) - (xbt_dict_get(link_set, links[i])))->id; + gtnets_links[i] = links[i]->id; } /* KF: Create the GTNets route */ if (gtnets_add_route(src_id, dst_id, gtnets_links, nb_link)) { xbt_assert0(0, "Cannot create GTNetS route"); } + XBT_OUT; } /* Instantiate a new route: MODIFY BY KF */ -static void route_onehop_new(int src_id, int dst_id, char **links, - int nb_link) +static void route_onehop_new(int src_id, int dst_id, + network_link_GTNETS_t * links, int nb_link) { int linkid; @@ -156,10 +148,8 @@ static void route_onehop_new(int src_id, int dst_id, char **links, xbt_assert0(0, "In onehop_new, nb_link should be 1"); } - /* KF: Build the list of gtnets link IDs */ - linkid = - ((network_link_GTNETS_t) - (xbt_dict_get(link_set, links[0])))->id; + /* KF: Build the linbst of gtnets link IDs */ + linkid = links[0]->id; /* KF: Create the GTNets route */ if (gtnets_add_onehop_route(src_id, dst_id, linkid)) { @@ -182,49 +172,31 @@ static void parse_link_init(void) surf_parse_get_double(&lat, A_surfxml_link_latency); state = SURF_LINK_ON; - /* Print values when no traces are specified */ - { - tmgr_trace_t bw_trace; - tmgr_trace_t state_trace; - tmgr_trace_t lat_trace; - - surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file); - surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file); - surf_parse_get_trace(&state_trace, A_surfxml_link_state_file); - - /*TODO Where is WARNING0 defined??? */ -#if 0 - if (bw_trace) - WARNING0 - ("The GTNetS network model doesn't support bandwidth state traces"); - if (lat_trace) - WARNING0 - ("The GTNetS network model doesn't support latency state traces"); - if (state_trace) - WARNING0 - ("The GTNetS network model doesn't support link state traces"); -#endif - } - /* KF: remove several arguments to link_new */ + tmgr_trace_t bw_trace; + tmgr_trace_t state_trace; + tmgr_trace_t lat_trace; + + surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file); + surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file); + surf_parse_get_trace(&state_trace, A_surfxml_link_state_file); + + if (bw_trace) + INFO0("The GTNetS network model doesn't support bandwidth state traces"); + if (lat_trace) + INFO0("The GTNetS network model doesn't support latency state traces"); + if (state_trace) + INFO0("The GTNetS network model doesn't support link state traces"); + current_property_set = xbt_dict_new(); link_new(name, bw, lat, current_property_set); } -static int nb_link = 0; -static char **link_name = NULL; -static int src_id = -1; -static int dst_id = -1; - /* Parses a route from the XML: UNMODIFIED BY HC */ static void parse_route_set_endpoints(void) { src_id = network_card_new(A_surfxml_route_src); dst_id = network_card_new(A_surfxml_route_dst); - -/* nb_link = 0; - link_name = NULL; -*/ - route_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref); + route_action = A_surfxml_route_action; } /* KF*/ @@ -238,73 +210,84 @@ static void parse_route_set_routers(void) } } -//The following is common to all and has been relocated to surfxml_parse -/* Parses a route element from the XML: UNMODIFIED BY HC */ -/*static void parse_route_elem(void) -{ - nb_link++; - link_name = xbt_realloc(link_name, (nb_link) * sizeof(char *)); - link_name[(nb_link) - 1] = xbt_strdup(A_surfxml_route_element_name); -} -*/ - /* Create the route (more than one hops): MODIFIED BY KF */ static void parse_route_set_route(void) { -/* if (nb_link > 1) - route_new(src_id, dst_id, link_name, nb_link); -*/ - char *name = bprintf("%x#%x",src_id, dst_id); - xbt_dict_set(route_table, name, route_link_list, NULL); - free(name); -} - -//This is not used anymore. one hop routes are created in add_route -/* Create the one-hope route: BY KF */ -static void parse_route_set_onehop_route(void) -{ - if (nb_link == 1) - route_onehop_new(src_id, dst_id, link_name, nb_link); + 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); + } } static void add_route() { xbt_ex_t e; - unsigned int cpt = 0; - int i = 0; + unsigned int cpt = 0; + int link_list_capacity = 0; + int nb_link = 0; xbt_dict_cursor_t cursor = NULL; - char *key,*data, *end; + char *key, *data, *end; const char *sep = "#"; xbt_dynar_t links, keys; + static network_link_GTNETS_t *link_list = NULL; + + XBT_IN; xbt_dict_foreach(route_table, cursor, key, data) { + char *link = NULL; nb_link = 0; - links = (xbt_dynar_t)data; + links = (xbt_dynar_t) data; keys = xbt_str_split_str(key, sep); - nb_link = xbt_dynar_length(links); - link_name = xbt_realloc(link_name, (nb_link) * sizeof(char *)); + link_list_capacity = xbt_dynar_length(links); + link_list = xbt_new(network_link_GTNETS_t, link_list_capacity); + + 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); - src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16); - dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16); - - i = 0; - char* link = NULL; - xbt_dynar_foreach (links, cpt, link) { + xbt_dynar_foreach(links, cpt, link) { TRY { - link_name[i++] = xbt_dict_get(link_set, link); + link_list[nb_link++] = xbt_dict_get(link_set, link); } CATCH(e) { RETHROW1("Link %s not found (dict raised this exception: %s)", link); - } + } } - if (nb_link > 1) - route_new(src_id, dst_id, link_name, nb_link); if (nb_link == 1) - route_onehop_new(src_id, dst_id, link_name, nb_link); - } + route_onehop_new(src_id, dst_id, link_list, nb_link); + } + + xbt_dict_foreach(route_table, cursor, key, data) { + char *link = NULL; + nb_link = 0; + links = (xbt_dynar_t) data; + keys = xbt_str_split_str(key, sep); - xbt_dict_free(&route_table); + link_list_capacity = xbt_dynar_length(links); + link_list = xbt_new(network_link_GTNETS_t, link_list_capacity); + + 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); + + xbt_dynar_foreach(links, cpt, link) { + TRY { + link_list[nb_link++] = xbt_dict_get(link_set, link); + } + CATCH(e) { + RETHROW1("Link %s not found (dict raised this exception: %s)", link); + } + } + if (nb_link >= 1) + route_new(src_id, dst_id, link_list, nb_link); + } + + xbt_dict_free(&route_table); + gtnets_print_topology(); + XBT_OUT; } /* Main XML parsing */ @@ -312,22 +295,12 @@ static void define_callbacks(const char *file) { surfxml_add_callback(STag_surfxml_router_cb_list, &parse_route_set_routers); surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init); - surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints); - surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem); -/* surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_onehop_route);*/ + surfxml_add_callback(STag_surfxml_route_cb_list, + &parse_route_set_endpoints); + surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route); surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route); } -static void *name_service(const char *name) -{ - return xbt_dict_get_or_null(network_card_set, name); -} - -static const char *get_resource_name(void *resource_id) -{ - return ((network_card_GTNETS_t) resource_id)->name; -} - static xbt_dict_t get_properties(void *link) { return ((network_card_GTNETS_t) link)->properties; @@ -337,13 +310,13 @@ static xbt_dict_t get_properties(void *link) /* We do not care about this: only used for traces */ static int resource_used(void *resource_id) { - return 0; /* We don't care */ + return 0; /* We don't care */ } static int action_free(surf_action_t action) { - action->using--; - if (!action->using) { + action->refcount--; + if (!action->refcount) { xbt_swag_remove(action, action->state_set); /* KF: No explicit freeing needed for GTNeTS here */ free(action); @@ -354,7 +327,7 @@ static int action_free(surf_action_t action) static void action_use(surf_action_t action) { - action->using++; + action->refcount++; } static void action_cancel(surf_action_t action) @@ -370,7 +343,7 @@ static void action_recycle(surf_action_t action) } static void action_change_state(surf_action_t action, - e_surf_action_state_t state) + e_surf_action_state_t state) { /* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */ /* if(((surf_action_network_GTNETS_t)action)->variable) { */ @@ -386,18 +359,24 @@ static void action_change_state(surf_action_t action, /* share_resources() */ static double share_resources(double now) { - xbt_swag_t running_actions = surf_network_model->common_public->states.running_action_set; + xbt_swag_t running_actions = + surf_network_model->common_public.states.running_action_set; //get the first relevant value from the running_actions list if (!xbt_swag_size(running_actions)) return -1.0; - return gtnets_get_time_to_next_flow_completion(); + xbt_assert0(time_to_next_flow_completion, + "Time to next flow completion not initialized!\n"); + + time_to_next_flow_completion = gtnets_get_time_to_next_flow_completion(); + + return time_to_next_flow_completion; } /* delta: by how many time units the simulation must advance */ /* In this function: change the state of actions that terminate */ -/* The delta may not come from the network, and thus may be different (smaller) +/* The delta may not come from the network, and thus may be different (smaller) than the one returned by the function above */ /* If the delta is a network-caused min, then do not emulate any timer in the network simulation, otherwise fake a timer somehow to advance the simulation of min seconds */ @@ -407,10 +386,7 @@ static void update_actions_state(double now, double delta) surf_action_network_GTNETS_t action = NULL; // surf_action_network_GTNETS_t next_action = NULL; xbt_swag_t running_actions = - surf_network_model->common_public->states.running_action_set; - - double time_to_next_flow_completion = - gtnets_get_time_to_next_flow_completion(); + surf_network_model->common_public.states.running_action_set; /* If there are no renning flows, just return */ if (time_to_next_flow_completion < 0.0) { @@ -418,7 +394,7 @@ static void update_actions_state(double now, double delta) } /*KF: if delta == time_to_next_flow_completion, too. */ - if (time_to_next_flow_completion <= delta) { /* run until the first flow completes */ + if (time_to_next_flow_completion <= delta) { /* run until the first flow completes */ void **metadata; int i, num_flows; @@ -426,42 +402,38 @@ static void update_actions_state(double now, double delta) if (gtnets_run_until_next_flow_completion(&metadata, &num_flows)) { xbt_assert0(0, - "Cannot run GTNetS simulation until next flow completion"); + "Cannot run GTNetS simulation until next flow completion"); } if (num_flows < 1) { xbt_assert0(0, - "GTNetS simulation couldn't find a flow that would complete"); + "GTNetS simulation couldn't find a flow that would complete"); } - - xbt_swag_foreach(action, running_actions) { - DEBUG1("]]]]]]]]] Action remains old value: %f", action->generic_action.remains); + DEBUG2("Action (%p) remains old value: %f", action, + action->generic_action.remains); double remain = gtnets_get_flow_rx(action); + DEBUG1("Remain value returned by GTNetS : %f", remain); //need to trust this remain value - if(remain == 0){ - action->generic_action.remains=0; - }else { - action->generic_action.remains-=remain; + if (remain == 0) { + action->generic_action.remains = 0; + } else { + action->generic_action.remains = action->generic_action.cost - remain; } - DEBUG1("[[[[[[[[[ Action remains new value: %f", action->generic_action.remains); + DEBUG2("Action (%p) remains new value: %f", action, + action->generic_action.remains); } for (i = 0; i < num_flows; i++) { - action = (surf_action_network_GTNETS_t) (metadata[i]); - + action = (surf_action_network_GTNETS_t) (metadata[i]); + action->generic_action.finish = now + time_to_next_flow_completion; action_change_state((surf_action_t) action, SURF_ACTION_DONE); - /* TODO: Anything else here? */ - - //need to map this action to the gtnets engine - DEBUG1("]]]]]]]]] Action remains old value: %f", action->generic_action.remains); - action->generic_action.remains -= gtnets_get_flow_rx(metadata[i]); - DEBUG1("[[[[[[[[[ Action remains new value: %f", action->generic_action.remains); + DEBUG1("----> Action (%p) just terminated", action); } - } else { /* run for a given number of seconds */ + } else { /* run for a given number of seconds */ if (gtnets_run(delta)) { xbt_assert0(0, "Cannot run GTNetS simulation"); } @@ -472,8 +444,8 @@ static void update_actions_state(double now, double delta) /* UNUSED HERE: no traces */ static void update_resource_state(void *id, - tmgr_trace_event_t event_type, - double value, double date) + tmgr_trace_event_t event_type, + double value, double date) { xbt_assert0(0, "Cannot update model state for GTNetS simulation"); return; @@ -481,7 +453,7 @@ static void update_resource_state(void *id, /* KF: Rate not supported */ static surf_action_t communicate(void *src, void *dst, double size, - double rate) + double rate) { surf_action_network_GTNETS_t action = NULL; network_card_GTNETS_t card_src = src; @@ -497,26 +469,25 @@ static surf_action_t communicate(void *src, void *dst, double size, action = xbt_new0(s_surf_action_network_GTNETS_t, 1); - action->generic_action.using = 1; + action->generic_action.refcount = 1; action->generic_action.cost = size; action->generic_action.remains = size; /* Max durations are not supported */ action->generic_action.max_duration = NO_MAX_DURATION; action->generic_action.start = surf_get_clock(); action->generic_action.finish = -1.0; - action->generic_action.model_type = - (surf_model_t) surf_network_model; + action->generic_action.model_type = surf_network_model; action->generic_action.state_set = - surf_network_model->common_public->states.running_action_set; + surf_network_model->common_public.states.running_action_set; xbt_swag_insert(action, action->generic_action.state_set); /* KF: Add a flow to the GTNets Simulation, associated to this action */ if (gtnets_create_flow(card_src->id, card_dst->id, size, (void *) action) < 0) { - xbt_assert2(0, "Not route between host %s and host %s", card_src->name, - card_dst->name); + xbt_assert2(0, "Not route between host %s and host %s", card_src->generic_resource.name, + card_dst->generic_resource.name); } return (surf_action_t) action; @@ -525,15 +496,13 @@ static surf_action_t communicate(void *src, void *dst, double size, /* Suspend a flow() */ static void action_suspend(surf_action_t action) { - xbt_assert0(0, - "action_suspend() not supported for the GTNets network model"); + THROW_UNIMPLEMENTED; } /* Resume a flow() */ static void action_resume(surf_action_t action) { - xbt_assert0(0, - "action_resume() not supported for the GTNets network model"); + THROW_UNIMPLEMENTED; } /* Test whether a flow is suspended */ @@ -544,40 +513,14 @@ static int action_is_suspended(surf_action_t action) static void finalize(void) { -#if 0 - int i, j; -#endif - xbt_dict_free(&network_card_set); xbt_dict_free(&link_set); - xbt_swag_free(surf_network_model->common_public->states. - ready_action_set); - xbt_swag_free(surf_network_model->common_public->states. - running_action_set); - xbt_swag_free(surf_network_model->common_public->states. - failed_action_set); - xbt_swag_free(surf_network_model->common_public->states. - done_action_set); - free(surf_network_model->common_public); - free(surf_network_model->common_private); - free(surf_network_model->extension_public); + + surf_model_exit(surf_network_model); free(surf_network_model); surf_network_model = NULL; -#if 0 - for (i = 0; i < card_number; i++) - for (j = 0; j < card_number; j++) - free(ROUTE(i, j)); - free(routing_table); - routing_table = NULL; - free(routing_table_size); - routing_table_size = NULL; - card_number = 0; -#endif - - /* ADDED BY KF */ gtnets_finalize(); - /* END ADDITION */ } static void surf_network_model_init_internal(void) @@ -586,58 +529,52 @@ static void surf_network_model_init_internal(void) surf_network_model = xbt_new0(s_surf_network_model_t, 1); - surf_network_model->common_private = - xbt_new0(s_surf_model_private_t, 1); - surf_network_model->common_public = - xbt_new0(s_surf_model_public_t, 1); - surf_network_model->extension_public = - xbt_new0(s_surf_network_model_extension_public_t, 1); - - surf_network_model->common_public->states.ready_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_model->common_public->states.running_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_model->common_public->states.failed_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_model->common_public->states.done_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - - surf_network_model->common_public->name_service = name_service; - surf_network_model->common_public->get_resource_name = - get_resource_name; - surf_network_model->common_public->action_get_state = - surf_action_get_state; - surf_network_model->common_public->action_use = action_use; - surf_network_model->common_public->action_free = action_free; - surf_network_model->common_public->action_cancel = action_cancel; - surf_network_model->common_public->action_recycle = action_recycle; - surf_network_model->common_public->action_change_state = - action_change_state; - surf_network_model->common_public->action_set_data = - surf_action_set_data; - surf_network_model->common_public->name = "network"; - - surf_network_model->common_private->resource_used = resource_used; - surf_network_model->common_private->share_resources = share_resources; - surf_network_model->common_private->update_actions_state = - update_actions_state; - surf_network_model->common_private->update_resource_state = update_resource_state; - surf_network_model->common_private->finalize = finalize; - - surf_network_model->common_public->suspend = action_suspend; - surf_network_model->common_public->resume = action_resume; - surf_network_model->common_public->is_suspended = action_is_suspended; - - surf_network_model->extension_public->communicate = communicate; - - /*for the props of the link*/ - surf_network_model->common_public->get_properties = get_properties; + surf_model_init(surf_network_model); + + surf_network_model->common_public.action_get_state = surf_action_get_state; + surf_network_model->common_public.action_use = action_use; + surf_network_model->common_public.action_free = action_free; + surf_network_model->common_public.action_cancel = action_cancel; + surf_network_model->common_public.action_recycle = action_recycle; + surf_network_model->common_public.action_change_state = action_change_state; + surf_network_model->common_public.action_set_data = surf_action_set_data; + surf_network_model->common_public.name = "network"; + + surf_network_model->model_private->resource_used = resource_used; + surf_network_model->model_private->share_resources = share_resources; + surf_network_model->model_private->update_actions_state = + update_actions_state; + surf_network_model->model_private->update_resource_state = + update_resource_state; + surf_network_model->model_private->finalize = finalize; + + surf_network_model->common_public.suspend = action_suspend; + surf_network_model->common_public.resume = action_resume; + surf_network_model->common_public.is_suspended = action_is_suspended; + + surf_network_model->extension.network.communicate = communicate; + + /*for the props of the link */ + surf_network_model->common_public.get_properties = get_properties; link_set = xbt_dict_new(); - network_card_set = xbt_dict_new(); /* KF: Added the initialization for GTNetS interface */ if (gtnets_initialize()) { xbt_assert0(0, "impossible to initialize GTNetS interface"); } } + +#ifdef HAVE_GTNETS +void surf_network_model_init_GTNETS(const char *filename) +{ + if (surf_network_model) + return; + surf_network_model_init_internal(); + define_callbacks(filename); + xbt_dynar_push(model_list, &surf_network_model); + + update_model_description(surf_network_model_description, + "GTNets", surf_network_model); +} +#endif