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 "surf_private.h"
9 #include "network_common.h"
10 #include "surf/random_mgr.h"
15 typedef struct network_card_Constant {
18 } s_network_card_Constant_t, *network_card_Constant_t;
20 typedef struct surf_action_network_Constant {
21 s_surf_action_t generic_action;
25 network_card_Constant_t src;
26 network_card_Constant_t dst;
27 } s_surf_action_network_Constant_t, *surf_action_network_Constant_t;
29 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
30 static random_data_t random_latency = NULL;
31 static int card_number = 0;
32 static int host_number = 0;
34 static void network_card_free(void *nw_card)
36 free(((network_card_Constant_t) nw_card)->name);
40 static int network_card_new(const char *card_name)
42 network_card_Constant_t card =
43 xbt_dict_get_or_null(network_card_set, card_name);
46 card = xbt_new0(s_network_card_Constant_t, 1);
47 card->name = xbt_strdup(card_name);
48 card->id = card_number++;
49 xbt_dict_set(network_card_set, card_name, card, network_card_free);
54 static int src_id = -1;
55 static int dst_id = -1;
57 static void parse_route_set_endpoints(void)
59 src_id = network_card_new(A_surfxml_route_src);
60 dst_id = network_card_new(A_surfxml_route_dst);
61 route_action = A_surfxml_route_action;
64 static void parse_route_set_route(void)
67 if (src_id != -1 && dst_id != -1) {
68 name = bprintf("%x#%x", src_id, dst_id);
69 manage_route(route_table, name, route_action, 0);
74 static void count_hosts(void)
79 static void define_callbacks(const char *file)
81 /* Figuring out the network links */
82 surfxml_add_callback(STag_surfxml_host_cb_list, &count_hosts);
83 surfxml_add_callback(STag_surfxml_route_cb_list,
84 &parse_route_set_endpoints);
85 surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
88 static void *name_service(const char *name)
90 network_card_Constant_t card = xbt_dict_get_or_null(network_card_set, name);
94 static const char *get_resource_name(void *resource_id)
96 return ((network_card_Constant_t) resource_id)->name;
99 static int resource_used(void *resource_id)
104 static int action_free(surf_action_t action)
107 if (!action->refcount) {
108 xbt_swag_remove(action, action->state_set);
115 static void action_use(surf_action_t action)
120 static void action_cancel(surf_action_t action)
125 static void action_recycle(surf_action_t action)
130 static void action_change_state(surf_action_t action,
131 e_surf_action_state_t state)
133 surf_action_change_state(action, state);
137 static double share_resources(double now)
139 surf_action_network_Constant_t action = NULL;
140 xbt_swag_t running_actions =
141 surf_network_model->common_public->states.running_action_set;
144 xbt_swag_foreach(action, running_actions) {
145 if (action->latency > 0) {
147 min = action->latency;
148 else if (action->latency < min)
149 min = action->latency;
156 static void update_actions_state(double now, double delta)
158 surf_action_network_Constant_t action = NULL;
159 surf_action_network_Constant_t next_action = NULL;
160 xbt_swag_t running_actions =
161 surf_network_model->common_public->states.running_action_set;
163 xbt_swag_foreach_safe(action, next_action, running_actions) {
164 if (action->latency > 0) {
165 if (action->latency > delta) {
166 double_update(&(action->latency), delta);
168 action->latency = 0.0;
171 double_update(&(action->generic_action.remains),
172 action->generic_action.cost * delta / action->lat_init);
173 if (action->generic_action.max_duration != NO_MAX_DURATION)
174 double_update(&(action->generic_action.max_duration), delta);
176 if (action->generic_action.remains <= 0) {
177 action->generic_action.finish = surf_get_clock();
178 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
179 } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
180 (action->generic_action.max_duration <= 0)) {
181 action->generic_action.finish = surf_get_clock();
182 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
189 static void update_resource_state(void *id,
190 tmgr_trace_event_t event_type,
191 double value, double time)
196 static surf_action_t communicate(void *src, void *dst, double size,
199 surf_action_network_Constant_t action = NULL;
200 network_card_Constant_t card_src = src;
201 network_card_Constant_t card_dst = dst;
203 XBT_IN4("(%s,%s,%g,%g)", card_src->name, card_dst->name, size, rate);
205 action = xbt_new0(s_surf_action_network_Constant_t, 1);
207 action->generic_action.refcount = 1;
208 action->generic_action.cost = size;
209 action->generic_action.remains = size;
210 action->generic_action.max_duration = NO_MAX_DURATION;
211 action->generic_action.start = surf_get_clock();
212 action->generic_action.finish = -1.0;
213 action->generic_action.model_type = (surf_model_t) surf_network_model;
214 action->suspended = 0;
216 action->latency = random_generate(random_latency);
217 action->lat_init = action->latency;
219 if (action->latency <= 0.0)
220 action->generic_action.state_set =
221 surf_network_model->common_public->states.done_action_set;
223 action->generic_action.state_set =
224 surf_network_model->common_public->states.running_action_set;
226 xbt_swag_insert(action, action->generic_action.state_set);
231 return (surf_action_t) action;
234 /* returns an array of link_Constant_t */
235 static const void **get_route(void *src, void *dst)
237 xbt_assert0(0, "Calling this function does not make any sense");
238 return (const void **) NULL;
241 static int get_route_size(void *src, void *dst)
243 xbt_assert0(0, "Calling this function does not make any sense");
247 static const char *get_link_name(const void *link)
252 static double get_link_bandwidth(const void *link)
257 static double get_link_latency(const void *link)
262 static int link_shared(const void *link)
267 static xbt_dict_t get_properties(void *link)
272 static void action_suspend(surf_action_t action)
274 ((surf_action_network_Constant_t) action)->suspended = 1;
277 static void action_resume(surf_action_t action)
279 if (((surf_action_network_Constant_t) action)->suspended)
280 ((surf_action_network_Constant_t) action)->suspended = 0;
283 static int action_is_suspended(surf_action_t action)
285 return ((surf_action_network_Constant_t) action)->suspended;
288 static void action_set_max_duration(surf_action_t action, double duration)
290 action->max_duration = duration;
293 static void finalize(void)
295 xbt_dict_free(&network_card_set);
296 xbt_swag_free(surf_network_model->common_public->states.ready_action_set);
297 xbt_swag_free(surf_network_model->common_public->states.running_action_set);
298 xbt_swag_free(surf_network_model->common_public->states.failed_action_set);
299 xbt_swag_free(surf_network_model->common_public->states.done_action_set);
300 free(surf_network_model->common_public);
301 free(surf_network_model->common_private);
302 free(surf_network_model->extension_public);
304 free(surf_network_model);
305 surf_network_model = NULL;
310 static void surf_network_model_init_internal(void)
312 s_surf_action_t action;
314 surf_network_model = xbt_new0(s_surf_network_model_t, 1);
316 surf_network_model->common_private = xbt_new0(s_surf_model_private_t, 1);
317 surf_network_model->common_public = xbt_new0(s_surf_model_public_t, 1);
318 surf_network_model->extension_public =
319 xbt_new0(s_surf_network_model_extension_public_t, 1);
321 surf_network_model->common_public->states.ready_action_set =
322 xbt_swag_new(xbt_swag_offset(action, state_hookup));
323 surf_network_model->common_public->states.running_action_set =
324 xbt_swag_new(xbt_swag_offset(action, state_hookup));
325 surf_network_model->common_public->states.failed_action_set =
326 xbt_swag_new(xbt_swag_offset(action, state_hookup));
327 surf_network_model->common_public->states.done_action_set =
328 xbt_swag_new(xbt_swag_offset(action, state_hookup));
330 surf_network_model->common_public->name_service = name_service;
331 surf_network_model->common_public->get_resource_name = get_resource_name;
332 surf_network_model->common_public->action_get_state = surf_action_get_state;
333 surf_network_model->common_public->action_get_start_time =
334 surf_action_get_start_time;
335 surf_network_model->common_public->action_get_finish_time =
336 surf_action_get_finish_time;
337 surf_network_model->common_public->action_free = action_free;
338 surf_network_model->common_public->action_use = action_use;
339 surf_network_model->common_public->action_cancel = action_cancel;
340 surf_network_model->common_public->action_recycle = action_recycle;
341 surf_network_model->common_public->action_change_state =
343 surf_network_model->common_public->action_set_data = surf_action_set_data;
344 surf_network_model->common_public->name = "network";
346 surf_network_model->common_private->resource_used = resource_used;
347 surf_network_model->common_private->share_resources = share_resources;
348 surf_network_model->common_private->update_actions_state =
349 update_actions_state;
350 surf_network_model->common_private->update_resource_state =
351 update_resource_state;
352 surf_network_model->common_private->finalize = finalize;
354 surf_network_model->common_public->suspend = action_suspend;
355 surf_network_model->common_public->resume = action_resume;
356 surf_network_model->common_public->is_suspended = action_is_suspended;
357 surf_cpu_model->common_public->set_max_duration = action_set_max_duration;
359 surf_network_model->extension_public->communicate = communicate;
360 surf_network_model->extension_public->get_route = get_route;
361 surf_network_model->extension_public->get_route_size = get_route_size;
362 surf_network_model->extension_public->get_link_name = get_link_name;
363 surf_network_model->extension_public->get_link_bandwidth =
365 surf_network_model->extension_public->get_link_latency = get_link_latency;
366 surf_network_model->extension_public->link_shared = link_shared;
368 surf_network_model->common_public->get_properties = get_properties;
370 network_card_set = xbt_dict_new();
373 random_latency = random_new(RAND, 100, 0.0, 1.0, .125, .034);
376 void surf_network_model_init_Constant(const char *filename)
379 if (surf_network_model)
381 surf_network_model_init_internal();
382 define_callbacks(filename);
383 xbt_dynar_push(model_list, &surf_network_model);
385 update_model_description(surf_network_model_description,
386 "Constant", (surf_model_t) surf_network_model);