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;
30 double sg_tcp_gamma = 0.0;
33 static void create_routing_table(void)
35 routing_table = xbt_new0(link_CM02_t *, /*card_number * card_number */
36 host_number * host_number);
38 xbt_new0(int, /*card_number * card_number */ host_number * host_number);
41 static void link_free(void *nw_link)
43 free(((link_CM02_t) nw_link)->name);
44 xbt_dict_free(&(((link_CM02_t) nw_link)->properties));
48 static link_CM02_t link_new(char *name,
50 tmgr_trace_t bw_trace,
52 tmgr_trace_t lat_trace,
55 tmgr_trace_t state_trace,
56 e_surf_link_sharing_policy_t
57 policy, xbt_dict_t properties)
59 link_CM02_t nw_link = xbt_new0(s_link_CM02_t, 1);
60 xbt_assert1(!xbt_dict_get_or_null(link_set, name),
61 "Link '%s' declared several times in the platform file.", name);
63 nw_link->model = (surf_model_t) surf_network_model;
65 nw_link->bw_current = bw_initial;
68 tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
69 nw_link->lat_current = lat_initial;
72 tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
73 nw_link->state_current = state_initial;
75 nw_link->state_event =
76 tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
79 lmm_constraint_new(network_maxmin_system, nw_link,
80 bandwidth_factor * nw_link->bw_current);
82 if (policy == SURF_LINK_FATPIPE)
83 lmm_constraint_shared(nw_link->constraint);
85 nw_link->properties = properties;
87 current_property_set = properties;
89 xbt_dict_set(link_set, name, nw_link, link_free);
94 static void network_card_free(void *nw_card)
96 free(((network_card_CM02_t) nw_card)->name);
100 static int network_card_new(const char *card_name)
102 network_card_CM02_t card =
103 xbt_dict_get_or_null(network_card_set, card_name);
106 card = xbt_new0(s_network_card_CM02_t, 1);
107 card->name = xbt_strdup(card_name);
108 card->id = host_number++;
109 xbt_dict_set(network_card_set, card_name, card, network_card_free);
114 static void route_new(int src_id, int dst_id,
115 link_CM02_t * link_list, int nb_link)
117 ROUTE_SIZE(src_id, dst_id) = nb_link;
118 ROUTE(src_id, dst_id) = link_list =
119 xbt_realloc(link_list, sizeof(link_CM02_t) * nb_link);
122 static void parse_link_init(void)
126 tmgr_trace_t bw_trace;
128 tmgr_trace_t lat_trace;
129 e_surf_link_state_t state_initial_link = SURF_LINK_ON;
130 e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
131 tmgr_trace_t state_trace;
133 name_link = xbt_strdup(A_surfxml_link_id);
134 surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
135 surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
136 surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
137 surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
139 xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
140 || (A_surfxml_link_state ==
141 A_surfxml_link_state_OFF), "Invalid state");
142 if (A_surfxml_link_state == A_surfxml_link_state_ON)
143 state_initial_link = SURF_LINK_ON;
144 else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
145 state_initial_link = SURF_LINK_OFF;
147 if (A_surfxml_link_sharing_policy == 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,
190 SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL);
191 ROUTE_SIZE(i, i) = 1;
192 ROUTE(i, i) = xbt_new0(link_CM02_t, 1);
193 ROUTE(i, i)[0] = loopback;
197 static void add_route(void)
201 unsigned int cpt = 0;
202 int link_list_capacity = 0;
203 link_CM02_t *link_list = NULL;
204 xbt_dict_cursor_t cursor = NULL;
205 char *key, *data, *end;
206 const char *sep = "#";
207 xbt_dynar_t links, keys;
209 if (routing_table == NULL)
210 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)
245 xbt_dict_cursor_t cursor = NULL;
246 char *trace_name, *elm;
248 static int called = 0;
253 /* connect all traces relative to network */
254 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
255 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
256 link_CM02_t link = xbt_dict_get_or_null(link_set, elm);
258 xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
260 xbt_assert2(trace, "Cannot connect trace %s to link %s: trace undefined",
263 link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
266 xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
267 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
268 link_CM02_t link = xbt_dict_get_or_null(link_set, elm);
270 xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
272 xbt_assert2(trace, "Cannot connect trace %s to link %s: trace undefined",
275 link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
278 xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
279 tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
280 link_CM02_t link = xbt_dict_get_or_null(link_set, elm);
282 xbt_assert2(link, "Cannot connect trace %s to link %s: link undefined",
284 xbt_assert2(trace, "Cannot connect trace %s to link %s: trace undefined",
287 link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
291 static void define_callbacks(const char *file)
293 /* Figuring out the network links */
294 surfxml_add_callback(STag_surfxml_host_cb_list, &count_hosts);
295 surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
296 surfxml_add_callback(STag_surfxml_route_cb_list,
297 &parse_route_set_endpoints);
298 surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
299 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
300 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
301 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
304 static void *name_service(const char *name)
306 network_card_CM02_t card = xbt_dict_get_or_null(network_card_set, name);
310 static const char *get_resource_name(void *resource_id)
312 return ((network_card_CM02_t) resource_id)->name;
315 static int resource_used(void *resource_id)
317 return lmm_constraint_used(network_maxmin_system,
318 ((link_CM02_t) resource_id)->constraint);
321 static int action_free(surf_action_t action)
324 if (!action->refcount) {
325 xbt_swag_remove(action, action->state_set);
326 if (((surf_action_network_CM02_t) action)->variable)
327 lmm_variable_free(network_maxmin_system,
328 ((surf_action_network_CM02_t) action)->variable);
335 static void action_use(surf_action_t action)
340 static void action_cancel(surf_action_t action)
345 static void action_recycle(surf_action_t action)
350 static void action_change_state(surf_action_t action,
351 e_surf_action_state_t state)
353 /* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */
354 /* if(((surf_action_network_CM02_t)action)->variable) { */
355 /* lmm_variable_disable(network_maxmin_system, ((surf_action_network_CM02_t)action)->variable); */
356 /* ((surf_action_network_CM02_t)action)->variable = NULL; */
359 surf_action_change_state(action, state);
363 static double share_resources(double now)
365 s_surf_action_network_CM02_t s_action;
366 surf_action_network_CM02_t action = NULL;
367 xbt_swag_t running_actions =
368 surf_network_model->common_public.states.running_action_set;
371 min = generic_maxmin_share_resources(running_actions,
372 xbt_swag_offset(s_action,
374 network_maxmin_system, network_solve);
376 #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) )))
378 xbt_swag_foreach(action, running_actions) {
379 if (action->latency > 0) {
381 min = action->latency;
382 else if (action->latency < min)
383 min = action->latency;
390 static void update_actions_state(double now, double delta)
393 surf_action_network_CM02_t action = NULL;
394 surf_action_network_CM02_t next_action = NULL;
395 xbt_swag_t running_actions =
396 surf_network_model->common_public.states.running_action_set;
398 xbt_swag_t failed_actions =
399 surf_network_model->common_public.states.failed_action_set;
402 xbt_swag_foreach_safe(action, next_action, running_actions) {
404 if (action->latency > 0) {
405 if (action->latency > deltap) {
406 double_update(&(action->latency), deltap);
409 double_update(&(deltap), action->latency);
410 action->latency = 0.0;
412 if ((action->latency == 0.0) && !(action->suspended))
413 lmm_update_variable_weight(network_maxmin_system, action->variable,
416 double_update(&(action->generic_action.remains),
417 lmm_variable_getvalue(action->variable) * deltap);
418 if (action->generic_action.max_duration != NO_MAX_DURATION)
419 double_update(&(action->generic_action.max_duration), delta);
421 if ((action->generic_action.remains <= 0) &&
422 (lmm_get_variable_weight(action->variable) > 0)) {
423 action->generic_action.finish = surf_get_clock();
424 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
425 } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
426 (action->generic_action.max_duration <= 0)) {
427 action->generic_action.finish = surf_get_clock();
428 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
435 static void update_resource_state(void *id,
436 tmgr_trace_event_t event_type,
437 double value, double date)
439 link_CM02_t nw_link = id;
440 /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
441 /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
442 /* value, event_type); */
444 if (event_type == nw_link->bw_event) {
446 weight_S_parameter / value - weight_S_parameter / nw_link->bw_current;
447 lmm_variable_t var = NULL;
448 lmm_element_t elem = NULL;
449 surf_action_network_CM02_t action = NULL;
451 nw_link->bw_current = value;
452 lmm_update_constraint_bound(network_maxmin_system, nw_link->constraint,
453 bandwidth_factor * nw_link->bw_current);
454 if (weight_S_parameter > 0) {
455 while ((var = lmm_get_var_from_cnst
456 (network_maxmin_system, nw_link->constraint, &elem))) {
457 action = lmm_variable_id(var);
458 action->weight += delta;
459 if (!(action->suspended))
460 lmm_update_variable_weight(network_maxmin_system, action->variable,
464 } else if (event_type == nw_link->lat_event) {
465 double delta = value - nw_link->lat_current;
466 lmm_variable_t var = NULL;
467 lmm_element_t elem = NULL;
468 surf_action_network_CM02_t action = NULL;
470 nw_link->lat_current = value;
471 while ((var = lmm_get_var_from_cnst
472 (network_maxmin_system, nw_link->constraint, &elem))) {
473 action = lmm_variable_id(var);
474 action->lat_current += delta;
475 action->weight += delta;
476 if (action->rate < 0)
477 lmm_update_variable_bound(network_maxmin_system, action->variable,
478 sg_tcp_gamma / (2.0 * action->lat_current));
480 lmm_update_variable_bound(network_maxmin_system, action->variable,
482 sg_tcp_gamma / (2.0 * action->lat_current)));
483 if (!(action->suspended))
484 lmm_update_variable_weight(network_maxmin_system, action->variable,
488 } else if (event_type == nw_link->state_event) {
490 nw_link->state_current = SURF_LINK_ON;
492 lmm_constraint_t cnst = nw_link->constraint;
493 lmm_variable_t var = NULL;
494 lmm_element_t elem = NULL;
496 nw_link->state_current = SURF_LINK_OFF;
497 while ((var = lmm_get_var_from_cnst
498 (network_maxmin_system, cnst, &elem))) {
499 surf_action_t action = lmm_variable_id(var);
501 if (surf_action_get_state(action) == SURF_ACTION_RUNNING ||
502 surf_action_get_state(action) == SURF_ACTION_READY) {
503 action->finish = date;
504 action_change_state(action, SURF_ACTION_FAILED);
509 CRITICAL0("Unknown event ! \n");
516 static surf_action_t communicate(void *src, void *dst, double size,
519 surf_action_network_CM02_t action = NULL;
520 /* LARGE PLATFORMS HACK:
521 Add a link_CM02_t *link and a int link_nb to network_card_CM02_t. It will represent local links for this node
522 Use the cluster_id for ->id */
523 network_card_CM02_t card_src = src;
524 network_card_CM02_t card_dst = dst;
525 int route_size = ROUTE_SIZE(card_src->id, card_dst->id);
526 link_CM02_t *route = ROUTE(card_src->id, card_dst->id);
527 /* LARGE PLATFORMS HACK:
528 total_route_size = route_size + src->link_nb + dst->nb */
531 XBT_IN4("(%s,%s,%g,%g)", card_src->name, card_dst->name, size, rate);
532 /* LARGE PLATFORMS HACK:
533 assert on total_route_size */
534 xbt_assert2(route_size,
535 "You're trying to send data from %s to %s but there is no connexion between these two cards.",
536 card_src->name, card_dst->name);
538 action = xbt_new0(s_surf_action_network_CM02_t, 1);
540 action->generic_action.refcount = 1;
541 action->generic_action.cost = size;
542 action->generic_action.remains = size;
543 action->generic_action.max_duration = NO_MAX_DURATION;
544 action->generic_action.start = surf_get_clock();
545 action->generic_action.finish = -1.0;
546 action->generic_action.model_type = (surf_model_t) surf_network_model;
547 action->suspended = 0; /* Should be useless because of the
548 calloc but it seems to help valgrind... */
549 action->generic_action.state_set =
550 surf_network_model->common_public.states.running_action_set;
551 for (i = 0; i < route_size; i++)
552 if (route[i]->state_current == SURF_LINK_OFF) {
553 action->generic_action.state_set =
554 surf_network_model->common_public.states.failed_action_set;
558 xbt_swag_insert(action, action->generic_action.state_set);
561 action->latency = 0.0;
562 action->weight = 0.0;
563 for (i = 0; i < route_size; i++) {
564 action->latency += route[i]->lat_current;
566 route[i]->lat_current + weight_S_parameter / route[i]->bw_current;
568 /* LARGE PLATFORMS HACK:
569 Add src->link and dst->link latencies */
570 action->lat_current = action->latency;
571 action->latency *= latency_factor;
573 /* LARGE PLATFORMS HACK:
574 lmm_variable_new(..., total_route_size) */
575 if (action->latency > 0)
577 lmm_variable_new(network_maxmin_system, action, 0.0, -1.0, route_size);
580 lmm_variable_new(network_maxmin_system, action, 1.0, -1.0, route_size);
582 if (action->rate < 0) {
583 if (action->lat_current > 0)
584 lmm_update_variable_bound(network_maxmin_system, action->variable,
585 sg_tcp_gamma / (2.0 * action->lat_current));
587 lmm_update_variable_bound(network_maxmin_system, action->variable,
590 if (action->lat_current > 0)
591 lmm_update_variable_bound(network_maxmin_system, action->variable,
593 sg_tcp_gamma / (2.0 * action->lat_current)));
595 lmm_update_variable_bound(network_maxmin_system, action->variable,
599 for (i = 0; i < route_size; i++)
600 lmm_expand(network_maxmin_system, route[i]->constraint,
601 action->variable, 1.0);
602 /* LARGE PLATFORMS HACK:
603 expand also with src->link and dst->link */
607 return (surf_action_t) action;
610 /* returns an array of link_CM02_t */
611 static const void **get_route(void *src, void *dst)
613 network_card_CM02_t card_src = src;
614 network_card_CM02_t card_dst = dst;
615 return (const void **) ROUTE(card_src->id, card_dst->id);
618 static int get_route_size(void *src, void *dst)
620 network_card_CM02_t card_src = src;
621 network_card_CM02_t card_dst = dst;
622 return ROUTE_SIZE(card_src->id, card_dst->id);
625 static const char *get_link_name(const void *link)
627 return ((link_CM02_t) link)->name;
630 static double get_link_bandwidth(const void *link)
632 return ((link_CM02_t) link)->bw_current;
635 static double get_link_latency(const void *link)
637 return ((link_CM02_t) link)->lat_current;
640 static int link_shared(const void *link)
642 return lmm_constraint_is_shared(((link_CM02_t) link)->constraint);
645 static xbt_dict_t get_properties(void *link)
647 return ((link_CM02_t) link)->properties;
650 static void action_suspend(surf_action_t action)
652 ((surf_action_network_CM02_t) action)->suspended = 1;
653 lmm_update_variable_weight(network_maxmin_system,
654 ((surf_action_network_CM02_t) action)->variable,
658 static void action_resume(surf_action_t action)
660 if (((surf_action_network_CM02_t) action)->suspended) {
661 lmm_update_variable_weight(network_maxmin_system,
662 ((surf_action_network_CM02_t)
664 ((surf_action_network_CM02_t) action)->weight);
665 ((surf_action_network_CM02_t) action)->suspended = 0;
669 static int action_is_suspended(surf_action_t action)
671 return ((surf_action_network_CM02_t) action)->suspended;
674 static void action_set_max_duration(surf_action_t action, double duration)
676 action->max_duration = duration;
679 static void finalize(void)
683 xbt_dict_free(&network_card_set);
684 xbt_dict_free(&link_set);
686 surf_model_exit((surf_model_t)surf_network_model);
688 free(surf_network_model->extension_public);
689 free(surf_network_model);
690 surf_network_model = NULL;
693 for (i = 0; i < host_number; i++)
694 for (j = 0; j < host_number; j++)
697 routing_table = NULL;
698 free(routing_table_size);
699 routing_table_size = NULL;
701 lmm_system_free(network_maxmin_system);
702 network_maxmin_system = NULL;
705 static void surf_network_model_init_internal(void)
707 surf_network_model = xbt_new0(s_surf_network_model_t, 1);
709 surf_model_init((surf_model_t)surf_network_model);
711 surf_network_model->extension_public =
712 xbt_new0(s_surf_network_model_extension_public_t, 1);
714 surf_network_model->common_public.name_service = name_service;
715 surf_network_model->common_public.get_resource_name = get_resource_name;
716 surf_network_model->common_public.action_get_state = surf_action_get_state;
717 surf_network_model->common_public.action_get_start_time =
718 surf_action_get_start_time;
719 surf_network_model->common_public.action_get_finish_time =
720 surf_action_get_finish_time;
721 surf_network_model->common_public.action_free = action_free;
722 surf_network_model->common_public.action_use = action_use;
723 surf_network_model->common_public.action_cancel = action_cancel;
724 surf_network_model->common_public.action_recycle = action_recycle;
725 surf_network_model->common_public.action_change_state =
727 surf_network_model->common_public.action_set_data = surf_action_set_data;
728 surf_network_model->common_public.name = "network";
730 surf_network_model->common_private->resource_used = resource_used;
731 surf_network_model->common_private->share_resources = share_resources;
732 surf_network_model->common_private->update_actions_state =
733 update_actions_state;
734 surf_network_model->common_private->update_resource_state =
735 update_resource_state;
736 surf_network_model->common_private->finalize = finalize;
738 surf_network_model->common_public.suspend = action_suspend;
739 surf_network_model->common_public.resume = action_resume;
740 surf_network_model->common_public.is_suspended = action_is_suspended;
741 surf_cpu_model->common_public.set_max_duration = action_set_max_duration;
743 surf_network_model->extension_public->communicate = communicate;
744 surf_network_model->extension_public->get_route = get_route;
745 surf_network_model->extension_public->get_route_size = get_route_size;
746 surf_network_model->extension_public->get_link_name = get_link_name;
747 surf_network_model->extension_public->get_link_bandwidth =
749 surf_network_model->extension_public->get_link_latency = get_link_latency;
750 surf_network_model->extension_public->link_shared = link_shared;
752 surf_network_model->common_public.get_properties = get_properties;
754 link_set = xbt_dict_new();
755 network_card_set = xbt_dict_new();
757 if (!network_maxmin_system)
758 network_maxmin_system = lmm_system_new();
761 /************************************************************************/
762 /* New model based on optimizations discussed during this thesis */
763 /************************************************************************/
764 void surf_network_model_init_LegrandVelho(const char *filename)
767 if (surf_network_model)
769 surf_network_model_init_internal();
770 define_callbacks(filename);
771 xbt_dynar_push(model_list, &surf_network_model);
772 network_solve = lmm_solve;
774 latency_factor = 10.4;
775 bandwidth_factor = 0.92;
776 weight_S_parameter = 8775;
778 update_model_description(surf_network_model_description,
779 "LegrandVelho", (surf_model_t) surf_network_model);
782 /***************************************************************************/
783 /* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
784 /***************************************************************************/
785 /* @TechReport{ rr-lip2002-40, */
786 /* author = {Henri Casanova and Loris Marchal}, */
787 /* institution = {LIP}, */
788 /* title = {A Network Model for Simulation of Grid Application}, */
789 /* number = {2002-40}, */
793 void surf_network_model_init_CM02(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 update_model_description(surf_network_model_description,
804 "CM02", (surf_model_t) surf_network_model);
807 void surf_network_model_init_Reno(const char *filename)
809 if (surf_network_model)
811 surf_network_model_init_internal();
812 define_callbacks(filename);
814 xbt_dynar_push(model_list, &surf_network_model);
815 lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi);
816 network_solve = lagrange_solve;
818 latency_factor = 10.4;
819 bandwidth_factor = 0.92;
820 weight_S_parameter = 8775;
822 update_model_description(surf_network_model_description,
823 "Reno", (surf_model_t) surf_network_model);
827 void surf_network_model_init_Reno2(const char *filename)
829 if (surf_network_model)
831 surf_network_model_init_internal();
832 define_callbacks(filename);
834 xbt_dynar_push(model_list, &surf_network_model);
835 lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
837 network_solve = lagrange_solve;
839 latency_factor = 10.4;
840 bandwidth_factor = 0.92;
841 weight_S_parameter = 8775;
843 update_model_description(surf_network_model_description,
844 "Reno2", (surf_model_t) surf_network_model);
847 void surf_network_model_init_Vegas(const char *filename)
849 if (surf_network_model)
851 surf_network_model_init_internal();
852 define_callbacks(filename);
854 xbt_dynar_push(model_list, &surf_network_model);
855 lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
857 network_solve = lagrange_solve;
859 latency_factor = 10.4;
860 bandwidth_factor = 0.92;
861 weight_S_parameter = 8775;
863 update_model_description(surf_network_model_description,
864 "Vegas", (surf_model_t) surf_network_model);
868 void surf_network_model_init_SDP(const char *filename)
870 if (surf_network_model)
872 surf_network_model_init_internal();
873 define_callbacks(filename);
875 xbt_dynar_push(model_list, &surf_network_model);
876 network_solve = sdp_solve;
878 update_model_description(surf_network_model_description,
879 "SDP", (surf_model_t) surf_network_model);