X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bd119c7663d1919274f1576d706e23fe2866017a..2285e0551bcfc1be797c5408c2da887f3fa01e61:/src/surf/network_gtnets.c diff --git a/src/surf/network_gtnets.c b/src/surf/network_gtnets.c deleted file mode 100644 index 8dec8b5984..0000000000 --- a/src/surf/network_gtnets.c +++ /dev/null @@ -1,469 +0,0 @@ -/* Copyright (c) 2007-2013. 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. */ - -#include "network_gtnets_private.h" -#include "gtnets/gtnets_interface.h" -#include "xbt/str.h" -#include "surf/surfxml_parse_values.h" - -static double time_to_next_flow_completion = -1; - -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_gtnets, surf, - "Logging specific to the SURF network GTNetS module"); - -extern routing_platf_t routing_platf; - -double sg_gtnets_jitter = 0.0; -int sg_gtnets_jitter_seed = 10; - -static void link_new(const char *name, double bw, double lat, xbt_dict_t props) -{ - static int link_count = -1; - network_link_GTNETS_t gtnets_link; - - if (xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL)) { - return; - } - - XBT_DEBUG("Scanning link name %s", name); - - - gtnets_link = xbt_new0(s_network_link_GTNETS_t, 1); - gtnets_link->generic_resource.name = xbt_strdup(name); - gtnets_link->generic_resource.properties = props; - gtnets_link->bw_current = bw; - gtnets_link->lat_current = lat; - - link_count++; - - XBT_DEBUG("Adding new link, linkid %d, name %s, latency %g, bandwidth %g", - link_count, name, lat, bw); - - if (gtnets_add_link(link_count, bw, lat)) { - xbt_die("Cannot create GTNetS link"); - } - gtnets_link->id = link_count; - - xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, gtnets_link); -} - -static void route_new(int src_id, int dst_id, xbt_dynar_t links, - int nb_link) -{ - network_link_GTNETS_t link; - unsigned int cursor; - int i = 0; - int *gtnets_links; - - XBT_IN("(src_id=%d, dst_id=%d, links=%p, nb_link=%d)", - src_id, dst_id, links, nb_link); - - /* Build the list of gtnets link IDs */ - gtnets_links = xbt_new0(int, nb_link); - i = 0; - xbt_dynar_foreach(links, cursor, link) { - gtnets_links[i++] = link->id; - } - - if (gtnets_add_route(src_id, dst_id, gtnets_links, nb_link)) { - xbt_die("Cannot create GTNetS route"); - } - XBT_OUT(); -} - -static void route_onehop_new(int src_id, int dst_id, - network_link_GTNETS_t link) -{ - if (gtnets_add_onehop_route(src_id, dst_id, link->id)) { - xbt_die("Cannot create GTNetS route"); - } -} - -/* Parse the XML for a network link */ -static void parse_link_init(sg_platf_link_cbarg_t link) -{ - XBT_DEBUG("link_gtnets"); - - if (link->bandwidth_trace) - XBT_INFO - ("The GTNetS network model doesn't support bandwidth state traces"); - if (link->latency_trace) - XBT_INFO("The GTNetS network model doesn't support latency state traces"); - if (link->state_trace) - XBT_INFO("The GTNetS network model doesn't support link state traces"); - - if (link->policy == SURF_LINK_FULLDUPLEX) - { - link_new(bprintf("%s_UP",link->id), link->bandwidth, link->latency, current_property_set); - link_new(bprintf("%s_DOWN",link->id), link->bandwidth, link->latency, current_property_set); - - } - else link_new(link->id, link->bandwidth, link->latency, current_property_set); - current_property_set = NULL; -} - -/* Create the gtnets topology based on routing strategy */ -static void create_gtnets_topology(void) -{ - XBT_DEBUG("Starting topology generation"); -// FIXME: We should take the list of hosts/routers (in the routing module), number the elements of this list, -// and then you can use the id to reimplement properly the following GTNets calls - - //get the onelinks from the parsed platform - xbt_dynar_t onelink_routes = routing_platf->get_onelink_routes(); - if (!onelink_routes) - return; - - //save them in trace file - onelink_t onelink; - unsigned int iter; - xbt_dynar_foreach(onelink_routes, iter, onelink) { - void *link = onelink->link_ptr; - - if(onelink->src->id != onelink->dst->id){ - XBT_DEBUG("Link (#%p), src (#%s), dst (#%s), src_id = %d, dst_id = %d", - link, - onelink->src->name, - onelink->dst->name, - onelink->src->id, - onelink->dst->id); - XBT_DEBUG("Calling one link route"); - if(onelink->src->rc_type == SURF_NETWORK_ELEMENT_ROUTER){ - gtnets_add_router(onelink->src->id); - } - if(onelink->dst->rc_type == SURF_NETWORK_ELEMENT_ROUTER){ - gtnets_add_router(onelink->dst->id); - } - route_onehop_new(onelink->src->id, onelink->dst->id, (network_link_GTNETS_t)(link)); - } - } - - if (XBT_LOG_ISENABLED(surf_network_gtnets, xbt_log_priority_debug)) { - gtnets_print_topology(); - } -} - -/* Main XML parsing */ -static void define_callbacks(void) -{ - /* Figuring out the network links */ - sg_platf_link_add_cb (&parse_link_init); - sg_platf_postparse_add_cb(&create_gtnets_topology); -} - -static int resource_used(void *resource_id) -{ - xbt_die("The resource_used feature is not implemented in GTNets model"); -} - -static int action_unref(surf_action_t action) -{ - action->refcount--; - if (!action->refcount) { - xbt_swag_remove(action, action->state_set); -#ifdef HAVE_TRACING - xbt_free(action->category); -#endif - surf_action_free(&action); - return 1; - } - return 0; -} - -static void action_cancel(surf_action_t action) -{ - xbt_die("Cannot cancel GTNetS flow"); - return; -} - -static void action_recycle(surf_action_t action) -{ - xbt_die("Cannot recycle GTNetS flow"); - return; -} - -static double action_get_remains(surf_action_t action) -{ - return action->remains; -} - -static void action_state_set(surf_action_t action, - e_surf_action_state_t state) -{ - surf_action_state_set(action, state); -} - -static double share_resources(surf_model_t network_model, double now) -{ - xbt_swag_t running_actions = - surf_network_model->states.running_action_set; - - //get the first relevant value from the running_actions list - if (!xbt_swag_size(running_actions)) - return -1.0; - - xbt_assert(time_to_next_flow_completion, - "Time to next flow completion not initialized!\n"); - - XBT_DEBUG("Calling gtnets_get_time_to_next_flow_completion"); - time_to_next_flow_completion = gtnets_get_time_to_next_flow_completion(); - XBT_DEBUG("gtnets_get_time_to_next_flow_completion received %g", - time_to_next_flow_completion); - - return time_to_next_flow_completion; -} - -static void update_actions_state(surf_model_t network_model, double now, double delta) -{ - surf_action_network_GTNETS_t action = NULL; - xbt_swag_t running_actions = - network_model->states.running_action_set; - - /* If there are no running flows, just return */ - if (time_to_next_flow_completion < 0.0) { - return; - } - - /* if delta == time_to_next_flow_completion, too. */ - if (time_to_next_flow_completion <= delta) { /* run until the first flow completes */ - void **metadata; - int i, num_flows; - - num_flows = 0; - - if (gtnets_run_until_next_flow_completion(&metadata, &num_flows)) { - xbt_die("Cannot run GTNetS simulation until next flow completion"); - } - if (num_flows < 1) { - xbt_die("GTNetS simulation couldn't find a flow that would complete"); - } - - xbt_swag_foreach(action, running_actions) { - XBT_DEBUG("Action (%p) remains old value: %f", action, - action->generic_action.remains); - double sent = gtnets_get_flow_rx(action); - - XBT_DEBUG("Sent value returned by GTNetS : %f", sent); - -#ifdef HAVE_TRACING - action->last_remains = action->generic_action.remains; -#endif - - //need to trust this remain value - if (sent == 0) { - action->generic_action.remains = 0; - } else { - action->generic_action.remains = - action->generic_action.cost - sent; - } - - // verify that this action is a finishing action. - int found=0; - for (i = 0; i < num_flows; i++) { - if(action == (surf_action_network_GTNETS_t) (metadata[i])){ - found = 1; - break; - } - } - - // indeed this action have not yet started - // because of that we need to fix the remaining to the - // original total cost - if(found != 1 && action->generic_action.remains == 0 ){ - action->generic_action.remains = action->generic_action.cost; - } - - XBT_DEBUG("Action (%p) remains new value: %f", action, - action->generic_action.remains); - -#ifdef HAVE_TRACING - if (TRACE_is_enabled()) { - double last_amount_sent = (action->generic_action.cost - action->last_remains); - double amount_sent = (action->generic_action.cost - action->generic_action.remains); - - // tracing resource utilization - xbt_dynar_t route = NULL; - - routing_get_route_and_latency (action->src, action->dst, &route, NULL); - - unsigned int i; - for (i = 0; i < xbt_dynar_length (route); i++){ - network_link_GTNETS_t *link = ((network_link_GTNETS_t*)xbt_dynar_get_ptr (route, i)); - TRACE_surf_link_set_utilization ((*link)->generic_resource.name, - ((surf_action_t) action)->category, - (amount_sent - last_amount_sent)/(delta), - now-delta, - delta); - } - } -#endif - - - } - - for (i = 0; i < num_flows; i++) { - action = (surf_action_network_GTNETS_t) (metadata[i]); - - - - action->generic_action.finish = now + time_to_next_flow_completion; - action_state_set((surf_action_t) action, SURF_ACTION_DONE); - XBT_DEBUG("----> Action (%p) just terminated", action); - - } - - - } else { /* run for a given number of seconds */ - if (gtnets_run(delta)) { - xbt_die("Cannot run GTNetS simulation"); - } - } - - return; -} - -static void update_resource_state(void *id, - tmgr_trace_event_t event_type, - double value, double date) -{ - xbt_die("Cannot update model state for GTNetS simulation"); -} - -/* Max durations are not supported */ -static surf_action_t communicate(sg_routing_edge_t src_card, - sg_routing_edge_t dst_card, - double size, double rate) -{ - surf_action_network_GTNETS_t action = NULL; - - int src = src_card->id; - int dst = dst_card->id; - char *src_name = src_card->name; - char *dst_name = dst_card->name; - - xbt_assert((src >= 0 - && dst >= 0), "Either src or dst have invalid id (id<0)"); - - XBT_DEBUG("Setting flow src %d \"%s\", dst %d \"%s\"", src, src_name, dst, - dst_name); - - xbt_dynar_t route = NULL; - - routing_get_route_and_latency(src_card, dst_card, &route, NULL); - - route_new(src, dst, route, xbt_dynar_length(route)); - - action = - surf_action_new(sizeof(s_surf_action_network_GTNETS_t), size, - surf_network_model, 0); - -#ifdef HAVE_TRACING - action->last_remains = 0; -#endif - - /* Add a flow to the GTNets Simulation, associated to this action */ - if (gtnets_create_flow(src, dst, size, (void *) action) < 0) { - xbt_die("Not route between host %s and host %s", src_name, dst_name); - } -#ifdef HAVE_TRACING - TRACE_surf_gtnets_communicate(action, src_card, dst_card); -#endif - - return (surf_action_t) action; -} - -/* Suspend a flow() */ -static void action_suspend(surf_action_t action) -{ - THROW_UNIMPLEMENTED; -} - -/* Resume a flow() */ -static void action_resume(surf_action_t action) -{ - THROW_UNIMPLEMENTED; -} - -/* Test whether a flow is suspended */ -static int action_is_suspended(surf_action_t action) -{ - return 0; -} - -#ifdef HAVE_TRACING -static void gtnets_action_set_category(surf_action_t action, const char *category) -{ - action->category = xbt_strdup (category); -} -#endif - -static void finalize(surf_model_t network_model) -{ - gtnets_finalize(); -} - -static void surf_network_model_init_internal(void) -{ - surf_network_model = surf_model_init(); - - surf_network_model->name = "network GTNetS"; - surf_network_model->type = SURF_MODEL_TYPE_NETWORK; - surf_network_model->action_unref = action_unref; - surf_network_model->action_cancel = action_cancel; - surf_network_model->action_recycle = action_recycle; - surf_network_model->action_state_set = action_state_set; - surf_network_model->get_remains = action_get_remains; - - 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->suspend = action_suspend; - surf_network_model->resume = action_resume; - surf_network_model->is_suspended = action_is_suspended; -#ifdef HAVE_TRACING - surf_network_model->set_category = gtnets_action_set_category; -#endif - - surf_network_model->extension.network.communicate = communicate; - - /* Added the initialization for GTNetS interface */ - if (gtnets_initialize(sg_tcp_gamma)) { - xbt_die("Impossible to initialize GTNetS interface"); - } - - routing_model_create(NULL); -} - -#ifdef HAVE_LATENCY_BOUND_TRACKING -static int get_latency_limited(surf_action_t action) -{ - return 0; -} -#endif - -void surf_network_model_init_GTNETS(void) -{ - if (surf_network_model) - return; - - surf_network_model_init_internal(); - define_callbacks(); - xbt_dynar_push(model_list, &surf_network_model); - -#ifdef HAVE_LATENCY_BOUND_TRACKING - surf_network_model->get_latency_limited = get_latency_limited; -#endif - - if (sg_gtnets_jitter > 0.0) { - gtnets_set_jitter(sg_gtnets_jitter); - gtnets_set_jitter_seed(sg_gtnets_jitter_seed); - } -}