+++ /dev/null
-/* Copyright (c) 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. */
-
-#include "surf_private.h"
-#include "surf/random_mgr.h"
-#include "xbt/dict.h"
-#include "xbt/str.h"
-#include "xbt/log.h"
-
-typedef struct surf_action_network_Vivaldi {
- s_surf_action_t generic_action;
- double latency;
- double lat_init;
- int suspended;
-} s_surf_action_network_Vivaldi_t, *surf_action_network_Vivaldi_t;
-
-typedef struct s_netviva_coords {
- double x, y, h;
-} s_netviva_coords_t, *netviva_coords_t;
-xbt_dict_t coords; /* Host name -> coordinates */
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-static random_data_t random_latency_viva = NULL;
-static int host_number_int_viva = 0;
-
-static void netviva_count_hosts(void)
-{
- host_number_int_viva++;
-}
-
-static void netviva_define_callbacks(const char *file)
-{
- surfxml_add_callback(STag_surfxml_host_cb_list, &netviva_count_hosts);
-}
-
-static int netviva_resource_used(void *resource_id)
-{
- /* nothing to do here */
- return 0;
-}
-
-static int netviva_action_unref(surf_action_t action)
-{
- action->refcount--;
- if (!action->refcount) {
- xbt_swag_remove(action, action->state_set);
-#ifdef HAVE_TRACING
- if (action->category)
- xbt_free(action->category);
-#endif
- free(action);
- return 1;
- }
- return 0;
-}
-
-static void netviva_action_cancel(surf_action_t action)
-{
- return;
-}
-
-static void netviva_action_recycle(surf_action_t action)
-{
- return;
-}
-
-static double netviva_action_get_remains(surf_action_t action)
-{
- return action->remains;
-}
-
-/* look for the next event to finish */
-static double netviva_share_resources(double now)
-{
- surf_action_network_Vivaldi_t action = NULL;
- xbt_swag_t running_actions =
- surf_network_model->states.running_action_set;
- double min = -1.0;
-
- xbt_swag_foreach(action, running_actions) {
- if (action->latency > 0) {
- if (min < 0)
- min = action->latency;
- else if (action->latency < min)
- min = action->latency;
- }
- }
-
- return min;
-}
-
-static void netviva_update_actions_state(double now, double delta)
-{
- /* Advance the actions by delta seconds */
- surf_action_network_Vivaldi_t action = NULL;
- surf_action_network_Vivaldi_t next_action = NULL;
- xbt_swag_t running_actions =
- surf_network_model->states.running_action_set;
-
- xbt_swag_foreach_safe(action, next_action, running_actions) {
- if (action->latency > 0) {
- if (action->latency > delta) {
- double_update(&(action->latency), delta);
- } else {
- action->latency = 0.0;
- }
- }
- double_update(&(action->generic_action.remains),
- action->generic_action.cost * delta / action->lat_init);
- if (action->generic_action.max_duration != NO_MAX_DURATION)
- double_update(&(action->generic_action.max_duration), delta);
-
- if (action->generic_action.remains <= 0) { /* This action is done, inform SURF about it */
- action->generic_action.finish = surf_get_clock();
- surf_network_model->action_state_set((surf_action_t) action,
- SURF_ACTION_DONE);
- } else if ((action->generic_action.max_duration != NO_MAX_DURATION)
- && (action->generic_action.max_duration <= 0)) {
- action->generic_action.finish = surf_get_clock();
- surf_network_model->action_state_set((surf_action_t) action,
- SURF_ACTION_DONE);
- }
- }
-}
-
-static void netviva_update_resource_state(void *id,
- tmgr_trace_event_t event_type,
- double value, double time)
-{ /* Called as soon as there is a trace modification */
- DIE_IMPOSSIBLE;
-}
-
-static surf_action_t netviva_communicate(const char *src_name,
- const char *dst_name, double size,
- double rate)
-{
- surf_action_network_Vivaldi_t action = NULL;
- netviva_coords_t c1, c2;
- c1 = xbt_dict_get(coords, src_name);
- c2 = xbt_dict_get(coords, dst_name);
-
- action =
- surf_action_new(sizeof(s_surf_action_network_Vivaldi_t), size,
- surf_network_model, 0);
-
- action->suspended = 0;
-
- action->latency = sqrt((c1->x - c2->x) * (c1->x - c2->x) + (c1->y - c2->y) * (c1->y - c2->y)) + fabs(c1->h) + fabs(c2->h); //random_generate(random_latency_viva);
- action->lat_init = action->latency;
-
- if (action->latency <= 0.0) {
- action->generic_action.state_set =
- surf_network_model->states.done_action_set;
- xbt_swag_insert(action, action->generic_action.state_set);
- }
-
- return (surf_action_t) action;
-}
-
-/* returns an array of link_Vivaldi_t */
-static xbt_dynar_t netviva_get_route(void *src, void *dst)
-{
- xbt_die("Calling this function does not make any sense");
-}
-
-static double netviva_get_link_bandwidth(const void *link)
-{
- DIE_IMPOSSIBLE;
-}
-
-static double netviva_get_link_latency(const void *link)
-{
- DIE_IMPOSSIBLE;
-}
-
-static int netviva_link_shared(const void *link)
-{
- DIE_IMPOSSIBLE;
-}
-
-static void netviva_action_suspend(surf_action_t action)
-{
- ((surf_action_network_Vivaldi_t) action)->suspended = 1;
-}
-
-static void netviva_action_resume(surf_action_t action)
-{
- if (((surf_action_network_Vivaldi_t) action)->suspended)
- ((surf_action_network_Vivaldi_t) action)->suspended = 0;
-}
-
-static int netviva_action_is_suspended(surf_action_t action)
-{
- return ((surf_action_network_Vivaldi_t) action)->suspended;
-}
-
-static void netviva_action_set_max_duration(surf_action_t action,
- double duration)
-{
- action->max_duration = duration;
-}
-
-static void netviva_finalize(void)
-{
- surf_model_exit(surf_network_model);
- surf_network_model = NULL;
-}
-
-static void netviva_parse_host(void)
-{
- netviva_coords_t coord = xbt_new(s_netviva_coords_t, 1);
-
- xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_host_vivaldi, " ");
-
- coord->x = atof(xbt_dynar_get_as(ctn, 0, char *));
- coord->y = atof(xbt_dynar_get_as(ctn, 1, char *));
- coord->h = atof(xbt_dynar_get_as(ctn, 2, char *));
-
-#ifdef HAVE_TRACING
- TRACE_surf_host_vivaldi_parse(A_surfxml_host_id, coord->x, coord->y,
- coord->h);
-#endif
-
- xbt_dynar_free(&ctn);
- xbt_dict_set(coords, A_surfxml_host_id, coord, NULL);
-}
-
-#ifdef HAVE_LATENCY_BOUND_TRACKING
-static int netviva_get_latency_limited(surf_action_t action)
-{
- return 0;
-}
-#endif
-
-void surf_network_model_init_Vivaldi(const char *filename)
-{
- xbt_assert(surf_network_model == NULL);
- if (surf_network_model)
- return;
- surf_network_model = surf_model_init();
- coords = xbt_dict_new();
-
- INFO0("Blih");
- surf_network_model->name = "Vivaldi time network";
- surf_network_model->action_unref = netviva_action_unref;
- surf_network_model->action_cancel = netviva_action_cancel;
- surf_network_model->action_recycle = netviva_action_recycle;
- surf_network_model->get_remains = netviva_action_get_remains;
-#ifdef HAVE_LATENCY_BOUND_TRACKING
- surf_network_model->get_latency_limited = netviva_get_latency_limited;
-#endif
-
- surf_network_model->model_private->resource_used = netviva_resource_used;
- surf_network_model->model_private->share_resources =
- netviva_share_resources;
- surf_network_model->model_private->update_actions_state =
- netviva_update_actions_state;
- surf_network_model->model_private->update_resource_state =
- netviva_update_resource_state;
- surf_network_model->model_private->finalize = netviva_finalize;
-
- surf_network_model->suspend = netviva_action_suspend;
- surf_network_model->resume = netviva_action_resume;
- surf_network_model->is_suspended = netviva_action_is_suspended;
- surf_cpu_model->set_max_duration = netviva_action_set_max_duration;
-
- surf_network_model->extension.network.communicate = netviva_communicate;
- surf_network_model->extension.network.get_link_bandwidth =
- netviva_get_link_bandwidth;
- surf_network_model->extension.network.get_link_latency =
- netviva_get_link_latency;
- surf_network_model->extension.network.link_shared = netviva_link_shared;
-
- if (!random_latency_viva)
- random_latency_viva = random_new(RAND, 100, 0.0, 1.0, .125, .034);
- netviva_define_callbacks(filename);
- xbt_dynar_push(model_list, &surf_network_model);
-
- /* Callbacks settings */
- surfxml_add_callback(STag_surfxml_host_cb_list, &netviva_parse_host);
-
- update_model_description(surf_network_model_description,
- "Vivaldi", surf_network_model);
-
-#ifdef HAVE_TRACING
- TRACE_user_host_variable(0, "vivaldi_x", 0, "declare");
- TRACE_user_host_variable(0, "vivaldi_y", 0, "declare");
- TRACE_user_host_variable(0, "vivaldi_h", 0, "declare");
-#endif
-
- xbt_cfg_set_string(_surf_cfg_set, "routing", "none");
- routing_model_create(sizeof(double), NULL, netviva_get_link_latency);
-}
