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;
19 xbt_dict_t link_set = NULL;
20 xbt_dict_t network_card_set = NULL;
24 link_CM02_t **routing_table = NULL;
25 int *routing_table_size = NULL;
26 static link_CM02_t loopback = NULL;
28 static void create_routing_table(void)
31 xbt_new0(link_CM02_t *, /*card_number * card_number */ host_number * host_number);
32 routing_table_size = xbt_new0(int, /*card_number * card_number*/ host_number * host_number);
35 static void link_free(void *nw_link)
37 free(((link_CM02_t) nw_link)->name);
41 static link_CM02_t link_new(char *name,
43 tmgr_trace_t bw_trace,
45 tmgr_trace_t lat_trace,
48 tmgr_trace_t state_trace,
49 e_surf_link_sharing_policy_t
50 policy, xbt_dict_t properties)
52 link_CM02_t nw_link = xbt_new0(s_link_CM02_t, 1);
53 xbt_assert1(!xbt_dict_get_or_null(link_set, name),
54 "Link '%s' declared several times in the platform file.", name);
56 nw_link->model = (surf_model_t) surf_network_model;
58 nw_link->bw_current = bw_initial;
61 tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
62 nw_link->lat_current = lat_initial;
65 tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
66 nw_link->state_current = state_initial;
68 nw_link->state_event =
69 tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
72 lmm_constraint_new(network_maxmin_system, nw_link,
75 if (policy == SURF_LINK_FATPIPE)
76 lmm_constraint_shared(nw_link->constraint);
78 nw_link->properties = properties;
80 current_property_set = properties;
82 xbt_dict_set(link_set, name, nw_link, link_free);
87 static void network_card_free(void *nw_card)
89 free(((network_card_CM02_t) nw_card)->name);
93 static int network_card_new(const char *card_name)
95 network_card_CM02_t card =
96 xbt_dict_get_or_null(network_card_set, card_name);
99 card = xbt_new0(s_network_card_CM02_t, 1);
100 card->name = xbt_strdup(card_name);
101 card->id = host_number++;
102 xbt_dict_set(network_card_set, card_name, card, network_card_free);
107 static void route_new(int src_id, int dst_id,
108 link_CM02_t * link_list, int nb_link)
110 ROUTE_SIZE(src_id, dst_id) = nb_link;
111 ROUTE(src_id, dst_id) = link_list =
112 xbt_realloc(link_list, sizeof(link_CM02_t) * nb_link);
115 static void parse_link_init(void)
119 tmgr_trace_t bw_trace;
121 tmgr_trace_t lat_trace;
122 e_surf_link_state_t state_initial_link = SURF_LINK_ON;
123 e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
124 tmgr_trace_t state_trace;
126 name_link = xbt_strdup(A_surfxml_link_id);
127 surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
128 surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
129 surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
130 surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
132 xbt_assert0((A_surfxml_link_state ==
133 A_surfxml_link_state_ON)
134 || (A_surfxml_link_state ==
135 A_surfxml_link_state_OFF), "Invalid state");
136 if (A_surfxml_link_state == A_surfxml_link_state_ON)
137 state_initial_link = SURF_LINK_ON;
138 else if (A_surfxml_link_state ==
139 A_surfxml_link_state_OFF)
140 state_initial_link = SURF_LINK_OFF;
142 if (A_surfxml_link_sharing_policy ==
143 A_surfxml_link_sharing_policy_SHARED)
144 policy_initial_link = SURF_LINK_SHARED;
145 else if (A_surfxml_link_sharing_policy ==
146 A_surfxml_link_sharing_policy_FATPIPE)
147 policy_initial_link = SURF_LINK_FATPIPE;
149 surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
151 link_new(name_link, bw_initial, bw_trace,
152 lat_initial, lat_trace, state_initial_link, state_trace,
153 policy_initial_link, xbt_dict_new());
157 static int src_id = -1;
158 static int dst_id = -1;
160 static void parse_route_set_endpoints(void)
162 src_id = network_card_new(A_surfxml_route_src);
163 dst_id = network_card_new(A_surfxml_route_dst);
164 route_action = A_surfxml_route_action;
165 route_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
168 static void parse_route_set_route(void)
171 if (src_id != -1 && dst_id != -1) {
172 name = bprintf("%x#%x",src_id, dst_id);
173 manage_route(route_table, name, route_action, 0);
178 static void add_loopback(void)
181 /* Adding loopback if needed */
182 for (i = 0; i < host_number; i++)
183 if (!ROUTE_SIZE(i, i)) {
185 loopback = link_new(xbt_strdup("__MSG_loopback__"),
186 498000000, NULL, 0.000015, NULL,
188 SURF_LINK_FATPIPE,NULL);
189 ROUTE_SIZE(i, i) = 1;
190 ROUTE(i, i) = xbt_new0(link_CM02_t, 1);
191 ROUTE(i, i)[0] = loopback;
195 static void add_route(void)
199 unsigned int cpt = 0;
200 int link_list_capacity = 0;
201 link_CM02_t *link_list = NULL;
202 xbt_dict_cursor_t cursor = NULL;
203 char *key,*data, *end;
204 const char *sep = "#";
205 xbt_dynar_t links, keys;
207 if (routing_table == NULL) create_routing_table();
209 xbt_dict_foreach(route_table, cursor, key, data) {
212 links = (xbt_dynar_t)data;
213 keys = xbt_str_split_str(key, sep);
215 link_list_capacity = xbt_dynar_length(links);
216 link_list = xbt_new(link_CM02_t, link_list_capacity);
218 src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
219 dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
220 xbt_dynar_free(&keys);
222 xbt_dynar_foreach (links, cpt, link) {
224 link_list[nb_link++] = xbt_dict_get(link_set, link);
227 RETHROW1("Link %s not found (dict raised this exception: %s)", link);
230 route_new(src_id, dst_id, link_list, nb_link);
233 xbt_dict_free(&route_table);
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);
282 xbt_dict_free(&trace_connect_list_host_avail);
283 xbt_dict_free(&trace_connect_list_power);
284 xbt_dict_free(&trace_connect_list_link_avail);
285 xbt_dict_free(&trace_connect_list_bandwidth);
286 xbt_dict_free(&trace_connect_list_latency);
288 xbt_dict_free(&traces_set_list);
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_prop_cb_list, &parse_properties);
297 surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
298 surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem);
299 surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
300 surfxml_add_callback(STag_surfxml_platform_cb_list, &init_data);
301 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
302 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
303 surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
304 surfxml_add_callback(STag_surfxml_set_cb_list, &parse_sets);
305 surfxml_add_callback(STag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_endpoints);
306 surfxml_add_callback(ETag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_route);
307 surfxml_add_callback(STag_surfxml_foreach_cb_list, &parse_foreach);
308 surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_cluster);
309 surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_trace_init);
310 surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_trace_finalize);
311 surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_trace_c_connect);
314 static void *name_service(const char *name)
316 network_card_CM02_t card = xbt_dict_get_or_null(network_card_set, name);
320 static const char *get_resource_name(void *resource_id)
322 return ((network_card_CM02_t) resource_id)->name;
325 static int resource_used(void *resource_id)
327 return lmm_constraint_used(network_maxmin_system,
328 ((link_CM02_t) resource_id)->
332 static int action_free(surf_action_t action)
335 if (!action->using) {
336 xbt_swag_remove(action, action->state_set);
337 if (((surf_action_network_CM02_t) action)->variable)
338 lmm_variable_free(network_maxmin_system,
339 ((surf_action_network_CM02_t) action)->variable);
346 static void action_use(surf_action_t action)
351 static void action_cancel(surf_action_t action)
356 static void action_recycle(surf_action_t action)
361 static void action_change_state(surf_action_t action,
362 e_surf_action_state_t state)
364 /* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */
365 /* if(((surf_action_network_CM02_t)action)->variable) { */
366 /* lmm_variable_disable(network_maxmin_system, ((surf_action_network_CM02_t)action)->variable); */
367 /* ((surf_action_network_CM02_t)action)->variable = NULL; */
370 surf_action_change_state(action, state);
374 static double share_resources(double now)
376 s_surf_action_network_CM02_t s_action;
377 surf_action_network_CM02_t action = NULL;
378 xbt_swag_t running_actions =
379 surf_network_model->common_public->states.running_action_set;
382 min = generic_maxmin_share_resources(running_actions,
383 xbt_swag_offset(s_action,
385 network_maxmin_system,
388 #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + xbt_swag_offset(s_action, variable) )))
390 xbt_swag_foreach(action, running_actions) {
391 if (action->latency > 0) {
393 min = action->latency;
394 else if (action->latency < min)
395 min = action->latency;
402 static void update_actions_state(double now, double delta)
405 surf_action_network_CM02_t action = NULL;
406 surf_action_network_CM02_t next_action = NULL;
407 xbt_swag_t running_actions =
408 surf_network_model->common_public->states.running_action_set;
410 xbt_swag_t failed_actions =
411 surf_network_model->common_public->states.failed_action_set;
414 xbt_swag_foreach_safe(action, next_action, running_actions) {
416 if (action->latency > 0) {
417 if (action->latency > deltap) {
418 double_update(&(action->latency), deltap);
421 double_update(&(deltap), action->latency);
422 action->latency = 0.0;
424 if ((action->latency == 0.0) && !(action->suspended))
425 lmm_update_variable_weight(network_maxmin_system, action->variable,
426 action->lat_current);
428 double_update(&(action->generic_action.remains),
429 lmm_variable_getvalue(action->variable) * deltap);
430 if (action->generic_action.max_duration != NO_MAX_DURATION)
431 double_update(&(action->generic_action.max_duration), delta);
433 if ((action->generic_action.remains <= 0) &&
434 (lmm_get_variable_weight(action->variable) > 0)) {
435 action->generic_action.finish = surf_get_clock();
436 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
437 } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
438 (action->generic_action.max_duration <= 0)) {
439 action->generic_action.finish = surf_get_clock();
440 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
447 static void update_resource_state(void *id,
448 tmgr_trace_event_t event_type,
449 double value, double date)
451 link_CM02_t nw_link = id;
452 /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
453 /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
454 /* value, event_type); */
456 if (event_type == nw_link->bw_event) {
457 nw_link->bw_current = value;
458 lmm_update_constraint_bound(network_maxmin_system, nw_link->constraint,
459 nw_link->bw_current);
460 } else if (event_type == nw_link->lat_event) {
461 double delta = value - nw_link->lat_current;
462 lmm_variable_t var = NULL;
463 lmm_element_t elem = NULL;
464 surf_action_network_CM02_t action = NULL;
466 nw_link->lat_current = value;
467 while ((var= lmm_get_var_from_cnst
468 (network_maxmin_system, nw_link->constraint, &elem))) {
469 action = lmm_variable_id(var);
470 action->lat_current += delta;
471 if (action->rate < 0)
472 lmm_update_variable_bound(network_maxmin_system, action->variable,
473 SG_TCP_CTE_GAMMA / (2.0 *
477 lmm_update_variable_bound(network_maxmin_system, action->variable,
479 SG_TCP_CTE_GAMMA / (2.0 *
482 if (!(action->suspended))
483 lmm_update_variable_weight(network_maxmin_system, action->variable,
484 action->lat_current);
485 lmm_update_variable_latency(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.using = 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 =
547 (surf_model_t) surf_network_model;
548 action->suspended = 0; /* Should be useless because of the
549 calloc but it seems to help valgrind... */
550 action->generic_action.state_set =
551 surf_network_model->common_public->states.running_action_set;
552 for (i = 0; i < route_size; i++)
553 if(route[i]->state_current == SURF_LINK_OFF) {
554 action->generic_action.state_set =
555 surf_network_model->common_public->states.failed_action_set;
559 xbt_swag_insert(action, action->generic_action.state_set);
562 action->latency = 0.0;
563 for (i = 0; i < route_size; i++)
564 action->latency += route[i]->lat_current;
565 /* LARGE PLATFORMS HACK:
566 Add src->link and dst->link latencies */
567 action->lat_current = action->latency;
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,
599 lmm_update_variable_latency(network_maxmin_system, action->variable,
602 for (i = 0; i < route_size; i++)
603 lmm_expand(network_maxmin_system, route[i]->constraint,
604 action->variable, 1.0);
605 /* LARGE PLATFORMS HACK:
606 expand also with src->link and dst->link */
610 return (surf_action_t) action;
613 /* returns an array of link_CM02_t */
614 static const void **get_route(void *src, void *dst)
616 network_card_CM02_t card_src = src;
617 network_card_CM02_t card_dst = dst;
618 return (const void **) ROUTE(card_src->id, card_dst->id);
621 static int get_route_size(void *src, void *dst)
623 network_card_CM02_t card_src = src;
624 network_card_CM02_t card_dst = dst;
625 return ROUTE_SIZE(card_src->id, card_dst->id);
628 static const char *get_link_name(const void *link)
630 return ((link_CM02_t) link)->name;
633 static double get_link_bandwidth(const void *link)
635 return ((link_CM02_t) link)->bw_current;
638 static double get_link_latency(const void *link)
640 return ((link_CM02_t) link)->lat_current;
643 static xbt_dict_t get_properties(void *link)
645 return ((link_CM02_t) link)->properties;
648 static void action_suspend(surf_action_t action)
650 ((surf_action_network_CM02_t) action)->suspended = 1;
651 lmm_update_variable_weight(network_maxmin_system,
652 ((surf_action_network_CM02_t) action)->
656 static void action_resume(surf_action_t action)
658 if (((surf_action_network_CM02_t) action)->suspended) {
659 lmm_update_variable_weight(network_maxmin_system,
660 ((surf_action_network_CM02_t) action)->
662 ((surf_action_network_CM02_t) action)->
664 ((surf_action_network_CM02_t) action)->suspended = 0;
668 static int action_is_suspended(surf_action_t action)
670 return ((surf_action_network_CM02_t) action)->suspended;
673 static void action_set_max_duration(surf_action_t action, double duration)
675 action->max_duration = duration;
678 static void finalize(void)
682 xbt_dict_free(&network_card_set);
683 xbt_dict_free(&link_set);
684 xbt_swag_free(surf_network_model->common_public->states.
686 xbt_swag_free(surf_network_model->common_public->states.
688 xbt_swag_free(surf_network_model->common_public->states.
690 xbt_swag_free(surf_network_model->common_public->states.
692 free(surf_network_model->common_public);
693 free(surf_network_model->common_private);
694 free(surf_network_model->extension_public);
696 free(surf_network_model);
697 surf_network_model = NULL;
700 for (i = 0; i < host_number; i++)
701 for (j = 0; j < host_number; j++)
704 routing_table = NULL;
705 free(routing_table_size);
706 routing_table_size = NULL;
710 static void surf_network_model_init_internal(void)
712 s_surf_action_t action;
714 surf_network_model = xbt_new0(s_surf_network_model_t, 1);
716 surf_network_model->common_private =
717 xbt_new0(s_surf_model_private_t, 1);
718 surf_network_model->common_public =
719 xbt_new0(s_surf_model_public_t, 1);
720 surf_network_model->extension_public =
721 xbt_new0(s_surf_network_model_extension_public_t, 1);
723 surf_network_model->common_public->states.ready_action_set =
724 xbt_swag_new(xbt_swag_offset(action, state_hookup));
725 surf_network_model->common_public->states.running_action_set =
726 xbt_swag_new(xbt_swag_offset(action, state_hookup));
727 surf_network_model->common_public->states.failed_action_set =
728 xbt_swag_new(xbt_swag_offset(action, state_hookup));
729 surf_network_model->common_public->states.done_action_set =
730 xbt_swag_new(xbt_swag_offset(action, state_hookup));
732 surf_network_model->common_public->name_service = name_service;
733 surf_network_model->common_public->get_resource_name =
735 surf_network_model->common_public->action_get_state =
736 surf_action_get_state;
737 surf_network_model->common_public->action_get_start_time =
738 surf_action_get_start_time;
739 surf_network_model->common_public->action_get_finish_time =
740 surf_action_get_finish_time;
741 surf_network_model->common_public->action_free = action_free;
742 surf_network_model->common_public->action_use = action_use;
743 surf_network_model->common_public->action_cancel = action_cancel;
744 surf_network_model->common_public->action_recycle = action_recycle;
745 surf_network_model->common_public->action_change_state =
747 surf_network_model->common_public->action_set_data =
748 surf_action_set_data;
749 surf_network_model->common_public->name = "network";
751 surf_network_model->common_private->resource_used = resource_used;
752 surf_network_model->common_private->share_resources = share_resources;
753 surf_network_model->common_private->update_actions_state =
754 update_actions_state;
755 surf_network_model->common_private->update_resource_state =
756 update_resource_state;
757 surf_network_model->common_private->finalize = finalize;
759 surf_network_model->common_public->suspend = action_suspend;
760 surf_network_model->common_public->resume = action_resume;
761 surf_network_model->common_public->is_suspended = action_is_suspended;
762 surf_cpu_model->common_public->set_max_duration =
763 action_set_max_duration;
765 surf_network_model->extension_public->communicate = communicate;
766 surf_network_model->extension_public->get_route = get_route;
767 surf_network_model->extension_public->get_route_size = get_route_size;
768 surf_network_model->extension_public->get_link_name = get_link_name;
769 surf_network_model->extension_public->get_link_bandwidth =
771 surf_network_model->extension_public->get_link_latency =
774 surf_network_model->common_public->get_properties = get_properties;
776 link_set = xbt_dict_new();
777 network_card_set = xbt_dict_new();
779 if (!network_maxmin_system)
780 network_maxmin_system = lmm_system_new();
783 /***************************************************************************/
784 /* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
785 /***************************************************************************/
786 /* @TechReport{ rr-lip2002-40, */
787 /* author = {Henri Casanova and Loris Marchal}, */
788 /* institution = {LIP}, */
789 /* title = {A Network Model for Simulation of Grid Application}, */
790 /* number = {2002-40}, */
794 void surf_network_model_init_CM02(const char *filename)
797 if (surf_network_model)
799 surf_network_model_init_internal();
800 define_callbacks(filename);
801 xbt_dynar_push(model_list, &surf_network_model);
802 network_solve = lmm_solve;
804 update_model_description(surf_network_model_description,
805 surf_network_model_description_size,
807 (surf_model_t) surf_network_model);
810 void surf_network_model_init_Reno(const char *filename)
812 if (surf_network_model)
814 surf_network_model_init_internal();
815 define_callbacks(filename);
817 xbt_dynar_push(model_list, &surf_network_model);
818 lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
820 network_solve = lagrange_solve;
822 update_model_description(surf_network_model_description,
823 surf_network_model_description_size,
825 (surf_model_t) surf_network_model);
829 void surf_network_model_init_Reno2(const char *filename)
831 if (surf_network_model)
833 surf_network_model_init_internal();
834 define_callbacks(filename);
836 xbt_dynar_push(model_list, &surf_network_model);
837 lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
839 network_solve = lagrange_solve;
841 update_model_description(surf_network_model_description,
842 surf_network_model_description_size,
844 (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 update_model_description(surf_network_model_description,
860 surf_network_model_description_size,
862 (surf_model_t) surf_network_model);
866 void surf_network_model_init_SDP(const char *filename)
868 if (surf_network_model)
870 surf_network_model_init_internal();
871 define_callbacks(filename);
873 xbt_dynar_push(model_list, &surf_network_model);
874 network_solve = sdp_solve;
876 update_model_description(surf_network_model_description,
877 surf_network_model_description_size,
879 (surf_model_t) surf_network_model);