3 /* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "network_private.h"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
13 "Logging specific to the SURF network module");
15 surf_network_model_t surf_network_model = NULL;
16 static lmm_system_t network_maxmin_system = NULL;
17 static void (*network_solve) (lmm_system_t) = NULL;
18 xbt_dict_t link_set = NULL;
19 xbt_dict_t network_card_set = NULL;
21 double latency_factor = 1.0; /* default value */
22 double bandwidth_factor = 1.0; /* default value */
23 double weight_S_parameter = 0.0; /* default value */
27 link_CM02_t **routing_table = NULL;
28 int *routing_table_size = NULL;
29 static link_CM02_t loopback = NULL;
31 static void create_routing_table(void)
34 xbt_new0(link_CM02_t *, /*card_number * card_number */ host_number * host_number);
35 routing_table_size = xbt_new0(int, /*card_number * card_number*/ host_number * host_number);
38 static void link_free(void *nw_link)
40 free(((link_CM02_t) nw_link)->name);
41 xbt_dict_free(&(((link_CM02_t)nw_link)->properties));
45 static link_CM02_t link_new(char *name,
47 tmgr_trace_t bw_trace,
49 tmgr_trace_t lat_trace,
52 tmgr_trace_t state_trace,
53 e_surf_link_sharing_policy_t
54 policy, xbt_dict_t properties)
56 link_CM02_t nw_link = xbt_new0(s_link_CM02_t, 1);
57 xbt_assert1(!xbt_dict_get_or_null(link_set, name),
58 "Link '%s' declared several times in the platform file.", name);
60 nw_link->model = (surf_model_t) surf_network_model;
62 nw_link->bw_current = bw_initial;
65 tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
66 nw_link->lat_current = lat_initial;
69 tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
70 nw_link->state_current = state_initial;
72 nw_link->state_event =
73 tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
76 lmm_constraint_new(network_maxmin_system, nw_link,
77 bandwidth_factor*nw_link->bw_current);
79 if (policy == SURF_LINK_FATPIPE)
80 lmm_constraint_shared(nw_link->constraint);
82 nw_link->properties = properties;
84 current_property_set = properties;
86 xbt_dict_set(link_set, name, nw_link, link_free);
91 static void network_card_free(void *nw_card)
93 free(((network_card_CM02_t) nw_card)->name);
97 static int network_card_new(const char *card_name)
99 network_card_CM02_t card =
100 xbt_dict_get_or_null(network_card_set, card_name);
103 card = xbt_new0(s_network_card_CM02_t, 1);
104 card->name = xbt_strdup(card_name);
105 card->id = host_number++;
106 xbt_dict_set(network_card_set, card_name, card, network_card_free);
111 static void route_new(int src_id, int dst_id,
112 link_CM02_t * link_list, int nb_link)
114 ROUTE_SIZE(src_id, dst_id) = nb_link;
115 ROUTE(src_id, dst_id) = link_list =
116 xbt_realloc(link_list, sizeof(link_CM02_t) * nb_link);
119 static void parse_link_init(void)
123 tmgr_trace_t bw_trace;
125 tmgr_trace_t lat_trace;
126 e_surf_link_state_t state_initial_link = SURF_LINK_ON;
127 e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
128 tmgr_trace_t state_trace;
130 name_link = xbt_strdup(A_surfxml_link_id);
131 surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
132 surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
133 surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
134 surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
136 xbt_assert0((A_surfxml_link_state ==
137 A_surfxml_link_state_ON)
138 || (A_surfxml_link_state ==
139 A_surfxml_link_state_OFF), "Invalid state");
140 if (A_surfxml_link_state == A_surfxml_link_state_ON)
141 state_initial_link = SURF_LINK_ON;
142 else if (A_surfxml_link_state ==
143 A_surfxml_link_state_OFF)
144 state_initial_link = SURF_LINK_OFF;
146 if (A_surfxml_link_sharing_policy ==
147 A_surfxml_link_sharing_policy_SHARED)
148 policy_initial_link = SURF_LINK_SHARED;
149 else if (A_surfxml_link_sharing_policy ==
150 A_surfxml_link_sharing_policy_FATPIPE)
151 policy_initial_link = SURF_LINK_FATPIPE;
153 surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
155 link_new(name_link, bw_initial, bw_trace,
156 lat_initial, lat_trace, state_initial_link, state_trace,
157 policy_initial_link, xbt_dict_new());
161 static int src_id = -1;
162 static int dst_id = -1;
164 static void parse_route_set_endpoints(void)
166 src_id = network_card_new(A_surfxml_route_src);
167 dst_id = network_card_new(A_surfxml_route_dst);
168 route_action = A_surfxml_route_action;
171 static void parse_route_set_route(void)
174 if (src_id != -1 && dst_id != -1) {
175 name = bprintf("%x#%x",src_id, dst_id);
176 manage_route(route_table, name, route_action, 0);
181 static void add_loopback(void)
184 /* Adding loopback if needed */
185 for (i = 0; i < host_number; i++)
186 if (!ROUTE_SIZE(i, i)) {
188 loopback = link_new(xbt_strdup("__MSG_loopback__"),
189 498000000, NULL, 0.000015, NULL,
191 SURF_LINK_FATPIPE,NULL);
192 ROUTE_SIZE(i, i) = 1;
193 ROUTE(i, i) = xbt_new0(link_CM02_t, 1);
194 ROUTE(i, i)[0] = loopback;
198 static void add_route(void)
202 unsigned int cpt = 0;
203 int link_list_capacity = 0;
204 link_CM02_t *link_list = NULL;
205 xbt_dict_cursor_t cursor = NULL;
206 char *key,*data, *end;
207 const char *sep = "#";
208 xbt_dynar_t links, keys;
210 if (routing_table == NULL) create_routing_table();
212 xbt_dict_foreach(route_table, cursor, key, data) {
215 links = (xbt_dynar_t)data;
216 keys = xbt_str_split_str(key, sep);
218 link_list_capacity = xbt_dynar_length(links);
219 link_list = xbt_new(link_CM02_t, link_list_capacity);
221 src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
222 dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
223 xbt_dynar_free(&keys);
225 xbt_dynar_foreach (links, cpt, link) {
227 link_list[nb_link++] = xbt_dict_get(link_set, link);
230 RETHROW1("Link %s not found (dict raised this exception: %s)", link);
233 route_new(src_id, dst_id, link_list, nb_link);
237 static void count_hosts(void)
243 static void add_traces(void) {
244 xbt_dict_cursor_t cursor=NULL;
245 char *trace_name,*elm;
247 static int called = 0;
251 /* connect all traces relative to network */
252 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
253 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
254 link_CM02_t link = xbt_dict_get_or_null(link_set, elm);
256 xbt_assert1(link, "Link %s undefined", elm);
257 xbt_assert1(trace, "Trace %s undefined", trace_name);
259 link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
262 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
263 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
264 link_CM02_t link = xbt_dict_get_or_null(link_set, elm);
266 xbt_assert1(link, "Link %s undefined", elm);
267 xbt_assert1(trace, "Trace %s undefined", trace_name);
269 link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
272 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
273 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
274 link_CM02_t link = xbt_dict_get_or_null(link_set, elm);
276 xbt_assert1(link, "Link %s undefined", elm);
277 xbt_assert1(trace, "Trace %s undefined", trace_name);
279 link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
283 static void define_callbacks(const char *file)
285 /* Figuring out the network links */
286 surfxml_add_callback(STag_surfxml_host_cb_list, &count_hosts);
287 surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
288 surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
289 surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
290 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
291 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
292 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
295 static void *name_service(const char *name)
297 network_card_CM02_t card = xbt_dict_get_or_null(network_card_set, name);
301 static const char *get_resource_name(void *resource_id)
303 return ((network_card_CM02_t) resource_id)->name;
306 static int resource_used(void *resource_id)
308 return lmm_constraint_used(network_maxmin_system,
309 ((link_CM02_t) resource_id)->
313 static int action_free(surf_action_t action)
316 if (!action->refcount ) {
317 xbt_swag_remove(action, action->state_set);
318 if (((surf_action_network_CM02_t) action)->variable)
319 lmm_variable_free(network_maxmin_system,
320 ((surf_action_network_CM02_t) action)->variable);
327 static void action_use(surf_action_t action)
332 static void action_cancel(surf_action_t action)
337 static void action_recycle(surf_action_t action)
342 static void action_change_state(surf_action_t action,
343 e_surf_action_state_t state)
345 /* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */
346 /* if(((surf_action_network_CM02_t)action)->variable) { */
347 /* lmm_variable_disable(network_maxmin_system, ((surf_action_network_CM02_t)action)->variable); */
348 /* ((surf_action_network_CM02_t)action)->variable = NULL; */
351 surf_action_change_state(action, state);
355 static double share_resources(double now)
357 s_surf_action_network_CM02_t s_action;
358 surf_action_network_CM02_t action = NULL;
359 xbt_swag_t running_actions =
360 surf_network_model->common_public->states.running_action_set;
363 min = generic_maxmin_share_resources(running_actions,
364 xbt_swag_offset(s_action,
366 network_maxmin_system,
369 #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) )))
371 xbt_swag_foreach(action, running_actions) {
372 if (action->latency > 0) {
374 min = action->latency;
375 else if (action->latency < min)
376 min = action->latency;
383 static void update_actions_state(double now, double delta)
386 surf_action_network_CM02_t action = NULL;
387 surf_action_network_CM02_t next_action = NULL;
388 xbt_swag_t running_actions =
389 surf_network_model->common_public->states.running_action_set;
391 xbt_swag_t failed_actions =
392 surf_network_model->common_public->states.failed_action_set;
395 xbt_swag_foreach_safe(action, next_action, running_actions) {
397 if (action->latency > 0) {
398 if (action->latency > deltap) {
399 double_update(&(action->latency), deltap);
402 double_update(&(deltap), action->latency);
403 action->latency = 0.0;
405 if ((action->latency == 0.0) && !(action->suspended))
406 lmm_update_variable_weight(network_maxmin_system, action->variable,
409 double_update(&(action->generic_action.remains),
410 lmm_variable_getvalue(action->variable) * deltap);
411 if (action->generic_action.max_duration != NO_MAX_DURATION)
412 double_update(&(action->generic_action.max_duration), delta);
414 if ((action->generic_action.remains <= 0) &&
415 (lmm_get_variable_weight(action->variable) > 0)) {
416 action->generic_action.finish = surf_get_clock();
417 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
418 } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
419 (action->generic_action.max_duration <= 0)) {
420 action->generic_action.finish = surf_get_clock();
421 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
428 static void update_resource_state(void *id,
429 tmgr_trace_event_t event_type,
430 double value, double date)
432 link_CM02_t nw_link = id;
433 /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
434 /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
435 /* value, event_type); */
437 if (event_type == nw_link->bw_event) {
438 double delta = weight_S_parameter/value - weight_S_parameter/nw_link->bw_current;
439 lmm_variable_t var = NULL;
440 lmm_element_t elem = NULL;
441 surf_action_network_CM02_t action = NULL;
443 nw_link->bw_current = value;
444 lmm_update_constraint_bound(network_maxmin_system, nw_link->constraint,
445 bandwidth_factor*nw_link->bw_current);
446 if(weight_S_parameter>0) {
447 while ((var= lmm_get_var_from_cnst
448 (network_maxmin_system, nw_link->constraint, &elem))) {
449 action = lmm_variable_id(var);
450 action->weight += delta;
451 if (!(action->suspended))
452 lmm_update_variable_weight(network_maxmin_system, action->variable,
456 } else if (event_type == nw_link->lat_event) {
457 double delta = value - nw_link->lat_current;
458 lmm_variable_t var = NULL;
459 lmm_element_t elem = NULL;
460 surf_action_network_CM02_t action = NULL;
462 nw_link->lat_current = value;
463 while ((var= lmm_get_var_from_cnst
464 (network_maxmin_system, nw_link->constraint, &elem))) {
465 action = lmm_variable_id(var);
466 action->lat_current += delta;
467 action->weight += delta;
468 if (action->rate < 0)
469 lmm_update_variable_bound(network_maxmin_system, action->variable,
470 SG_TCP_CTE_GAMMA / (2.0 *
474 lmm_update_variable_bound(network_maxmin_system, action->variable,
476 SG_TCP_CTE_GAMMA / (2.0 *
479 if (!(action->suspended))
480 lmm_update_variable_weight(network_maxmin_system, action->variable,
484 } else if (event_type == nw_link->state_event) {
486 nw_link->state_current = SURF_LINK_ON;
488 lmm_constraint_t cnst = nw_link->constraint;
489 lmm_variable_t var = NULL;
490 lmm_element_t elem = NULL;
492 nw_link->state_current = SURF_LINK_OFF;
493 while ((var= lmm_get_var_from_cnst
494 (network_maxmin_system, cnst, &elem))) {
495 surf_action_t action = lmm_variable_id(var) ;
497 if(surf_action_get_state(action)==SURF_ACTION_RUNNING ||
498 surf_action_get_state(action)==SURF_ACTION_READY) {
499 action->finish = date;
500 action_change_state( action, SURF_ACTION_FAILED);
505 CRITICAL0("Unknown event ! \n");
512 static surf_action_t communicate(void *src, void *dst, double size,
515 surf_action_network_CM02_t action = NULL;
516 /* LARGE PLATFORMS HACK:
517 Add a link_CM02_t *link and a int link_nb to network_card_CM02_t. It will represent local links for this node
518 Use the cluster_id for ->id */
519 network_card_CM02_t card_src = src;
520 network_card_CM02_t card_dst = dst;
521 int route_size = ROUTE_SIZE(card_src->id, card_dst->id);
522 link_CM02_t *route = ROUTE(card_src->id, card_dst->id);
523 /* LARGE PLATFORMS HACK:
524 total_route_size = route_size + src->link_nb + dst->nb */
527 XBT_IN4("(%s,%s,%g,%g)", card_src->name, card_dst->name, size, rate);
528 /* LARGE PLATFORMS HACK:
529 assert on total_route_size */
530 xbt_assert2(route_size,
531 "You're trying to send data from %s to %s but there is no connexion between these two cards.",
532 card_src->name, card_dst->name);
534 action = xbt_new0(s_surf_action_network_CM02_t, 1);
536 action->generic_action.refcount = 1;
537 action->generic_action.cost = size;
538 action->generic_action.remains = size;
539 action->generic_action.max_duration = NO_MAX_DURATION;
540 action->generic_action.start = surf_get_clock();
541 action->generic_action.finish = -1.0;
542 action->generic_action.model_type =
543 (surf_model_t) surf_network_model;
544 action->suspended = 0; /* Should be useless because of the
545 calloc but it seems to help valgrind... */
546 action->generic_action.state_set =
547 surf_network_model->common_public->states.running_action_set;
548 for (i = 0; i < route_size; i++)
549 if(route[i]->state_current == SURF_LINK_OFF) {
550 action->generic_action.state_set =
551 surf_network_model->common_public->states.failed_action_set;
555 xbt_swag_insert(action, action->generic_action.state_set);
558 action->latency = 0.0;
559 action->weight = 0.0;
560 for (i = 0; i < route_size; i++) {
561 action->latency += route[i]->lat_current;
562 action->weight += route[i]->lat_current + weight_S_parameter/route[i]->bw_current;
564 /* LARGE PLATFORMS HACK:
565 Add src->link and dst->link latencies */
566 action->lat_current = action->latency;
567 action->latency *= latency_factor;
569 /* LARGE PLATFORMS HACK:
570 lmm_variable_new(..., total_route_size)*/
571 if (action->latency > 0)
573 lmm_variable_new(network_maxmin_system, action, 0.0, -1.0,
577 lmm_variable_new(network_maxmin_system, action, 1.0, -1.0,
580 if (action->rate < 0) {
581 if (action->lat_current > 0)
582 lmm_update_variable_bound(network_maxmin_system, action->variable,
583 SG_TCP_CTE_GAMMA / (2.0 *
584 action->lat_current));
586 lmm_update_variable_bound(network_maxmin_system, action->variable,
589 if (action->lat_current > 0)
590 lmm_update_variable_bound(network_maxmin_system, action->variable,
592 SG_TCP_CTE_GAMMA / (2.0 *
596 lmm_update_variable_bound(network_maxmin_system, action->variable,
600 for (i = 0; i < route_size; i++)
601 lmm_expand(network_maxmin_system, route[i]->constraint,
602 action->variable, 1.0);
603 /* LARGE PLATFORMS HACK:
604 expand also with src->link and dst->link */
608 return (surf_action_t) action;
611 /* returns an array of link_CM02_t */
612 static const void **get_route(void *src, void *dst)
614 network_card_CM02_t card_src = src;
615 network_card_CM02_t card_dst = dst;
616 return (const void **) ROUTE(card_src->id, card_dst->id);
619 static int get_route_size(void *src, void *dst)
621 network_card_CM02_t card_src = src;
622 network_card_CM02_t card_dst = dst;
623 return ROUTE_SIZE(card_src->id, card_dst->id);
626 static const char *get_link_name(const void *link)
628 return ((link_CM02_t) link)->name;
631 static double get_link_bandwidth(const void *link)
633 return ((link_CM02_t) link)->bw_current;
636 static double get_link_latency(const void *link)
638 return ((link_CM02_t) link)->lat_current;
641 static int link_shared(const void *link)
643 return lmm_constraint_is_shared(((link_CM02_t) link)->constraint);
646 static xbt_dict_t get_properties(void *link)
648 return ((link_CM02_t) link)->properties;
651 static void action_suspend(surf_action_t action)
653 ((surf_action_network_CM02_t) action)->suspended = 1;
654 lmm_update_variable_weight(network_maxmin_system,
655 ((surf_action_network_CM02_t) action)->
659 static void action_resume(surf_action_t action)
661 if (((surf_action_network_CM02_t) action)->suspended) {
662 lmm_update_variable_weight(network_maxmin_system,
663 ((surf_action_network_CM02_t) action)->
665 ((surf_action_network_CM02_t) action)->
667 ((surf_action_network_CM02_t) action)->suspended = 0;
671 static int action_is_suspended(surf_action_t action)
673 return ((surf_action_network_CM02_t) action)->suspended;
676 static void action_set_max_duration(surf_action_t action, double duration)
678 action->max_duration = duration;
681 static void finalize(void)
685 xbt_dict_free(&network_card_set);
686 xbt_dict_free(&link_set);
687 xbt_swag_free(surf_network_model->common_public->states.
689 xbt_swag_free(surf_network_model->common_public->states.
691 xbt_swag_free(surf_network_model->common_public->states.
693 xbt_swag_free(surf_network_model->common_public->states.
695 free(surf_network_model->common_public);
696 free(surf_network_model->common_private);
697 free(surf_network_model->extension_public);
699 free(surf_network_model);
700 surf_network_model = NULL;
703 for (i = 0; i < host_number; i++)
704 for (j = 0; j < host_number; j++)
707 routing_table = NULL;
708 free(routing_table_size);
709 routing_table_size = NULL;
711 lmm_system_free(network_maxmin_system);
712 network_maxmin_system = NULL;
715 static void surf_network_model_init_internal(void)
717 s_surf_action_t action;
719 surf_network_model = xbt_new0(s_surf_network_model_t, 1);
721 surf_network_model->common_private =
722 xbt_new0(s_surf_model_private_t, 1);
723 surf_network_model->common_public =
724 xbt_new0(s_surf_model_public_t, 1);
725 surf_network_model->extension_public =
726 xbt_new0(s_surf_network_model_extension_public_t, 1);
728 surf_network_model->common_public->states.ready_action_set =
729 xbt_swag_new(xbt_swag_offset(action, state_hookup));
730 surf_network_model->common_public->states.running_action_set =
731 xbt_swag_new(xbt_swag_offset(action, state_hookup));
732 surf_network_model->common_public->states.failed_action_set =
733 xbt_swag_new(xbt_swag_offset(action, state_hookup));
734 surf_network_model->common_public->states.done_action_set =
735 xbt_swag_new(xbt_swag_offset(action, state_hookup));
737 surf_network_model->common_public->name_service = name_service;
738 surf_network_model->common_public->get_resource_name =
740 surf_network_model->common_public->action_get_state =
741 surf_action_get_state;
742 surf_network_model->common_public->action_get_start_time =
743 surf_action_get_start_time;
744 surf_network_model->common_public->action_get_finish_time =
745 surf_action_get_finish_time;
746 surf_network_model->common_public->action_free = action_free;
747 surf_network_model->common_public->action_use = action_use;
748 surf_network_model->common_public->action_cancel = action_cancel;
749 surf_network_model->common_public->action_recycle = action_recycle;
750 surf_network_model->common_public->action_change_state =
752 surf_network_model->common_public->action_set_data =
753 surf_action_set_data;
754 surf_network_model->common_public->name = "network";
756 surf_network_model->common_private->resource_used = resource_used;
757 surf_network_model->common_private->share_resources = share_resources;
758 surf_network_model->common_private->update_actions_state =
759 update_actions_state;
760 surf_network_model->common_private->update_resource_state =
761 update_resource_state;
762 surf_network_model->common_private->finalize = finalize;
764 surf_network_model->common_public->suspend = action_suspend;
765 surf_network_model->common_public->resume = action_resume;
766 surf_network_model->common_public->is_suspended = action_is_suspended;
767 surf_cpu_model->common_public->set_max_duration =
768 action_set_max_duration;
770 surf_network_model->extension_public->communicate = communicate;
771 surf_network_model->extension_public->get_route = get_route;
772 surf_network_model->extension_public->get_route_size = get_route_size;
773 surf_network_model->extension_public->get_link_name = get_link_name;
774 surf_network_model->extension_public->get_link_bandwidth =
776 surf_network_model->extension_public->get_link_latency =
778 surf_network_model->extension_public->link_shared =
781 surf_network_model->common_public->get_properties = get_properties;
783 link_set = xbt_dict_new();
784 network_card_set = xbt_dict_new();
786 if (!network_maxmin_system)
787 network_maxmin_system = lmm_system_new();
790 /************************************************************************/
791 /* New model based on optimizations discussed during this thesis */
792 /************************************************************************/
793 void surf_network_model_init_LegrandVelho(const char *filename)
796 if (surf_network_model)
798 surf_network_model_init_internal();
799 define_callbacks(filename);
800 xbt_dynar_push(model_list, &surf_network_model);
801 network_solve = lmm_solve;
803 latency_factor = 10.4;
804 bandwidth_factor = 0.92;
805 weight_S_parameter = 8775;
807 update_model_description(surf_network_model_description,
809 (surf_model_t) surf_network_model);
812 /***************************************************************************/
813 /* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
814 /***************************************************************************/
815 /* @TechReport{ rr-lip2002-40, */
816 /* author = {Henri Casanova and Loris Marchal}, */
817 /* institution = {LIP}, */
818 /* title = {A Network Model for Simulation of Grid Application}, */
819 /* number = {2002-40}, */
823 void surf_network_model_init_CM02(const char *filename)
826 if (surf_network_model)
828 surf_network_model_init_internal();
829 define_callbacks(filename);
830 xbt_dynar_push(model_list, &surf_network_model);
831 network_solve = lmm_solve;
833 update_model_description(surf_network_model_description,
835 (surf_model_t) surf_network_model);
838 void surf_network_model_init_Reno(const char *filename)
840 if (surf_network_model)
842 surf_network_model_init_internal();
843 define_callbacks(filename);
845 xbt_dynar_push(model_list, &surf_network_model);
846 lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
848 network_solve = lagrange_solve;
850 latency_factor = 10.4;
851 bandwidth_factor = 0.92;
852 weight_S_parameter = 8775;
854 update_model_description(surf_network_model_description,
856 (surf_model_t) surf_network_model);
860 void surf_network_model_init_Reno2(const char *filename)
862 if (surf_network_model)
864 surf_network_model_init_internal();
865 define_callbacks(filename);
867 xbt_dynar_push(model_list, &surf_network_model);
868 lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
870 network_solve = lagrange_solve;
872 latency_factor = 10.4;
873 bandwidth_factor = 0.92;
874 weight_S_parameter = 8775;
876 update_model_description(surf_network_model_description,
878 (surf_model_t) surf_network_model);
881 void surf_network_model_init_Vegas(const char *filename)
883 if (surf_network_model)
885 surf_network_model_init_internal();
886 define_callbacks(filename);
888 xbt_dynar_push(model_list, &surf_network_model);
889 lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
891 network_solve = lagrange_solve;
893 latency_factor = 10.4;
894 bandwidth_factor = 0.92;
895 weight_S_parameter = 8775;
897 update_model_description(surf_network_model_description,
899 (surf_model_t) surf_network_model);
903 void surf_network_model_init_SDP(const char *filename)
905 if (surf_network_model)
907 surf_network_model_init_internal();
908 define_callbacks(filename);
910 xbt_dynar_push(model_list, &surf_network_model);
911 network_solve = sdp_solve;
913 update_model_description(surf_network_model_description,
915 (surf_model_t) surf_network_model);