2 #include "surf_private.h"
4 #define __STDC_FORMAT_MACROS
7 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
8 "Logging specific to the SURF storage module");
11 xbt_lib_t storage_lib;
12 int ROUTING_STORAGE_LEVEL; //Routing for storagelevel
13 int ROUTING_STORAGE_HOST_LEVEL;
14 int SURF_STORAGE_LEVEL;
15 xbt_lib_t storage_type_lib;
16 int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
18 static xbt_dynar_t storage_list;
20 xbt_dynar_t mount_list = NULL; /* temporary store of current mount storage */
21 StorageModelPtr surf_storage_model = NULL;
23 static int storage_selective_update = 0;
24 static xbt_swag_t storage_running_action_set_that_does_not_need_being_checked = NULL;
30 static XBT_INLINE void routing_storage_type_free(void *r)
32 storage_type_t stype = (storage_type_t) r;
36 free(stype->content_type);
37 xbt_dict_free(&(stype->properties));
38 xbt_dict_free(&(stype->properties));
42 static XBT_INLINE void surf_storage_resource_free(void *r)
44 // specific to storage
45 StoragePtr storage = dynamic_cast<StoragePtr>(static_cast<ResourcePtr>(r));
46 xbt_dict_free(&storage->p_content);
47 xbt_dynar_free(&storage->p_writeActions);
48 free(storage->p_typeId);
49 free(storage->p_contentType);
54 static XBT_INLINE void routing_storage_host_free(void *r)
56 xbt_dynar_t dyn = (xbt_dynar_t) r;
60 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
62 void* stype = xbt_lib_get_or_null(storage_type_lib,
64 ROUTING_STORAGE_TYPE_LEVEL);
65 if(!stype) xbt_die("No storage type '%s'",storage->type_id);
67 // if storage content is not specified use the content of storage_type if exist
68 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
69 storage->content = ((storage_type_t) stype)->content;
70 storage->content_type = ((storage_type_t) stype)->content_type;
71 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
72 storage->id,((storage_type_t) stype)->content_type,
73 ((storage_type_t) stype)->type_id);
76 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
77 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
78 "\n\t\tproperties '%p'\n",
80 ((storage_type_t) stype)->model,
81 ((storage_type_t) stype)->type_id,
83 storage->content_type,
84 ((storage_type_t) stype)->properties);
86 surf_storage_model->createResource(storage->id, ((storage_type_t) stype)->model,
87 ((storage_type_t) stype)->type_id,
89 storage->content_type,
93 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t /*mstorage*/)
95 XBT_DEBUG("parse_mstorage_init");
98 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t /*storagetype_*/)
100 XBT_DEBUG("parse_storage_type_init");
103 static void parse_mount_init(sg_platf_mount_cbarg_t /*mount*/)
105 XBT_DEBUG("parse_mount_init");
108 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
110 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
111 "Reading a storage, processing unit \"%s\" already exists", storage->id);
113 // Verification of an existing type_id
115 void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
117 xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
119 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
124 xbt_lib_set(storage_lib,
126 ROUTING_STORAGE_LEVEL,
127 (void *) xbt_strdup(storage->type_id));
130 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
132 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
133 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
135 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
136 stype->model = xbt_strdup(storage_type->model);
137 stype->properties = storage_type->properties;
138 stype->content = xbt_strdup(storage_type->content);
139 stype->content_type = xbt_strdup(storage_type->content_type);
140 stype->type_id = xbt_strdup(storage_type->id);
141 stype->size = storage_type->size;
143 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
144 "content '%s', and content_type '%s'",
147 storage_type->content,
148 storage_type->content_type);
150 xbt_lib_set(storage_type_lib,
152 ROUTING_STORAGE_TYPE_LEVEL,
155 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t /*mstorage*/)
158 // mount_t mnt = xbt_new0(s_mount_t, 1);
159 // mnt->id = xbt_strdup(mstorage->type_id);
160 // mnt->name = xbt_strdup(mstorage->name);
163 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
164 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
166 // xbt_dynar_push(mount_list,(void *) mnt);
170 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
173 static void mount_free(void *p)
175 mount_t mnt = (mount_t) p;
179 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
181 // Verification of an existing storage
183 void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
185 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
187 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
190 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
191 mnt.name = xbt_strdup(mount->name);
194 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
195 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
197 xbt_dynar_push(mount_list,&mnt);
200 static void storage_define_callbacks()
202 sg_platf_storage_add_cb(parse_storage_init);
203 sg_platf_storage_type_add_cb(parse_storage_type_init);
204 sg_platf_mstorage_add_cb(parse_mstorage_init);
205 sg_platf_mount_add_cb(parse_mount_init);
208 void storage_register_callbacks() {
210 ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
211 ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
212 ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
213 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
215 sg_platf_storage_add_cb(storage_parse_storage);
216 sg_platf_mstorage_add_cb(storage_parse_mstorage);
217 sg_platf_storage_type_add_cb(storage_parse_storage_type);
218 sg_platf_mount_add_cb(storage_parse_mount);
225 void surf_storage_model_init_default(void)
227 surf_storage_model = new StorageModel();
228 storage_define_callbacks();
229 xbt_dynar_push(model_list, &surf_storage_model);
232 StorageModel::StorageModel() : Model("Storage") {
233 StorageActionLmm action;
235 XBT_DEBUG("surf_storage_model_init_internal");
237 storage_running_action_set_that_does_not_need_being_checked =
238 xbt_swag_new(xbt_swag_offset(action, p_stateHookup));
240 if (!p_maxminSystem) {
241 p_maxminSystem = lmm_system_new(storage_selective_update);
246 StorageModel::~StorageModel(){
247 lmm_system_free(p_maxminSystem);
249 surf_storage_model = NULL;
251 xbt_dynar_free(&storage_list);
253 xbt_swag_free(storage_running_action_set_that_does_not_need_being_checked);
254 storage_running_action_set_that_does_not_need_being_checked = NULL;
257 StoragePtr StorageModel::createResource(const char* id, const char* model, const char* type_id,
258 const char* content_name, const char* content_type, xbt_dict_t properties)
261 xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
262 "Storage '%s' declared several times in the platform file",
265 storage_type_t storage_type = (storage_type_t) xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
267 double Bread = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bread"));
268 double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bwrite"));
269 double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bconnection"));
271 StoragePtr storage = new StorageLmm(this, id, properties, p_maxminSystem,
272 Bread, Bwrite, Bconnection,
273 type_id, (char *)content_name, xbt_strdup(content_type), storage_type->size);
275 xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, static_cast<ResourcePtr>(storage));
277 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' \n\t\tmodel '%s' \n\t\tproperties '%p'\n\t\tBread '%f'\n",
281 storage_type->properties,
285 storage_list = xbt_dynar_new(sizeof(char *),NULL);
286 xbt_dynar_push(storage_list, &storage);
291 double StorageModel::shareResources(double now)
293 XBT_DEBUG("storage_share_resources %f", now);
297 StorageActionLmmPtr write_action;
299 double min_completion = shareResourcesMaxMin(p_runningActionSet,
300 p_maxminSystem, lmm_solve);
304 xbt_dynar_foreach(storage_list,i,storage)
307 // Foreach write action on disk
308 xbt_dynar_foreach(storage->p_writeActions, j, _write_action)
310 write_action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_write_action));
311 rate += lmm_variable_getvalue(write_action->p_variable);
314 min_completion = MIN(min_completion, (storage->m_size-storage->m_usedSize)/rate);
317 return min_completion;
320 void StorageModel::updateActionsState(double /*now*/, double delta)
322 void *_action, *_next_action;
323 StorageActionLmmPtr action = NULL;
325 xbt_swag_foreach_safe(_action, _next_action, p_runningActionSet) {
326 action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_action));
327 if(action->m_type == WRITE)
329 // Update the disk usage
330 // Update the file size
331 // For each action of type write
332 double rate = lmm_variable_getvalue(action->p_variable);
333 /* Hack to avoid rounding differences between x86 and x86_64
334 * (note that the next sizes are of type sg_size_t). */
335 long incr = delta * rate + MAXMIN_PRECISION;
336 action->p_storage->m_usedSize += incr; // disk usage
337 action->p_file->size += incr; // file size
339 sg_size_t *psize = xbt_new(sg_size_t,1);
340 *psize = action->p_file->size;
342 xbt_dict_t content_dict = action->p_storage->p_content;
343 xbt_dict_set(content_dict, action->p_file->name, psize, NULL);
346 double_update(&action->m_remains,
347 lmm_variable_getvalue(action->p_variable) * delta);
349 if (action->m_maxDuration != NO_MAX_DURATION)
350 double_update(&action->m_maxDuration, delta);
352 if(action->m_remains > 0 &&
353 lmm_get_variable_weight(action->p_variable) > 0 &&
354 action->p_storage->m_usedSize == action->p_storage->m_size)
356 action->m_finish = surf_get_clock();
357 action->setState(SURF_ACTION_FAILED);
358 } else if ((action->m_remains <= 0) &&
359 (lmm_get_variable_weight(action->p_variable) > 0))
361 action->m_finish = surf_get_clock();
362 action->setState(SURF_ACTION_DONE);
363 } else if ((action->m_maxDuration != NO_MAX_DURATION) &&
364 (action->m_maxDuration <= 0))
366 action->m_finish = surf_get_clock();
367 action->setState(SURF_ACTION_DONE);
374 xbt_dict_t Storage::parseContent(char *filename)
377 if ((!filename) || (strcmp(filename, "") == 0))
380 xbt_dict_t parse_content = xbt_dict_new_homogeneous(xbt_free);
383 file = surf_fopen(filename, "r");
384 xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
385 xbt_str_join(surf_path, ":"));
394 while ((read = xbt_getline(&line, &len, file)) != -1) {
396 if(sscanf(line,"%s %llu", path, &size) == 2) {
398 sg_size_t *psize = xbt_new(sg_size_t, 1);
400 xbt_dict_set(parse_content,path,psize,NULL);
402 xbt_die("Be sure of passing a good format for content file.\n");
408 return parse_content;
415 Storage::Storage(StorageModelPtr model, const char* name, xbt_dict_t properties)
416 : Resource(model, name, properties)
418 p_writeActions = xbt_dynar_new(sizeof(ActionPtr),NULL);
421 StorageLmm::StorageLmm(StorageModelPtr model, const char* name, xbt_dict_t properties,
422 lmm_system_t maxminSystem, double bread, double bwrite, double bconnection,
423 const char* type_id, char *content_name, char *content_type, sg_size_t size)
424 : Resource(model, name, properties), ResourceLmm(), Storage(model, name, properties) {
425 XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
427 p_stateCurrent = SURF_RESOURCE_ON;
431 p_content = parseContent(content_name);
432 p_contentType = content_type;
433 p_constraint = lmm_constraint_new(maxminSystem, this, bconnection);
434 p_constraintRead = lmm_constraint_new(maxminSystem, this, bread);
435 p_constraintWrite = lmm_constraint_new(maxminSystem, this, bwrite);
437 p_typeId = xbt_strdup(type_id);
440 bool Storage::isUsed()
446 void Storage::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/)
451 StorageActionPtr StorageLmm::ls(const char* path)
453 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, LS);
455 action->p_lsDict = NULL;
456 xbt_dict_t ls_dict = xbt_dict_new_homogeneous(xbt_free);
460 xbt_dict_cursor_t cursor = NULL;
462 xbt_dynar_t dyn = NULL;
465 // for each file in the storage content
466 xbt_dict_foreach(p_content,cursor,key,size){
467 // Search if file start with the prefix 'path'
468 if(xbt_str_start_with(key,path)){
469 file = &key[strlen(path)];
471 // Split file with '/'
472 dyn = xbt_str_split(file,"/");
473 file = xbt_dynar_get_as(dyn,0,char*);
476 if(xbt_dynar_length(dyn) == 1){
477 sg_size_t *psize = xbt_new(sg_size_t, 1);
479 xbt_dict_set(ls_dict, file, psize, NULL);
484 // if directory does not exist yet in the dictionary
485 if(!xbt_dict_get_or_null(ls_dict,file))
486 xbt_dict_set(ls_dict,file,NULL,NULL);
488 xbt_dynar_free(&dyn);
492 action->p_lsDict = ls_dict;
496 StorageActionPtr StorageLmm::open(const char* mount, const char* path)
498 XBT_DEBUG("\tOpen file '%s'",path);
499 sg_size_t size, *psize;
500 psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
501 // if file does not exist create an empty file
505 psize = xbt_new(sg_size_t,1);
508 xbt_dict_set(p_content, path, psize, NULL);
509 XBT_DEBUG("File '%s' was not found, file created.",path);
511 surf_file_t file = xbt_new0(s_surf_file_t,1);
512 file->name = xbt_strdup(path);
514 file->mount = xbt_strdup(mount);
516 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, OPEN);
517 action->p_file = file;
521 StorageActionPtr StorageLmm::close(surf_file_t fd)
523 char *filename = fd->name;
524 XBT_DEBUG("\tClose file '%s' size '%llu'", filename, fd->size);
525 // unref write actions from storage
527 StorageActionLmmPtr write_action;
529 xbt_dynar_foreach(p_writeActions, i, _write_action) {
530 write_action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_write_action));
531 if ((write_action->p_file) == fd) {
532 xbt_dynar_cursor_rm(p_writeActions, &i);
533 write_action->unref();
539 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, CLOSE);
543 StorageActionPtr StorageLmm::read(surf_file_t fd, sg_size_t size)
547 StorageActionLmmPtr action = new StorageActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, READ);
551 StorageActionPtr StorageLmm::write(surf_file_t fd, sg_size_t size)
553 char *filename = fd->name;
554 XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
556 StorageActionLmmPtr action = new StorageActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, WRITE);
559 // If the storage is full
560 if(m_usedSize==m_size) {
561 action->setState(SURF_ACTION_FAILED);
566 void StorageLmm::rename(const char *src, const char *dest)
568 sg_size_t *psize, *new_psize;
569 psize = (sg_size_t*) xbt_dict_get_or_null(p_content,src);
570 new_psize = xbt_new(sg_size_t, 1);
572 if (psize){// src file exists
573 xbt_dict_remove(p_content, src);
574 xbt_dict_set(p_content, dest, new_psize,NULL);
575 XBT_DEBUG("Change file name from %s to %s, size '%llu'",src, dest, *psize);
578 XBT_DEBUG("File %s doesn't exist",src);
581 xbt_dict_t StorageLmm::getContent()
583 /* For the moment this action has no cost, but in the future we could take in account access latency of the disk */
584 /*surf_action_t action = storage_action_execute(storage,0, LS);*/
586 xbt_dict_t content_dict = xbt_dict_new_homogeneous(NULL);
587 xbt_dict_cursor_t cursor = NULL;
591 xbt_dict_foreach(p_content, cursor, file, psize){
592 xbt_dict_set(content_dict,file,psize,NULL);
597 sg_size_t StorageLmm::getSize(){
605 StorageActionLmm::StorageActionLmm(ModelPtr model, double cost, bool failed, StorageLmmPtr storage, e_surf_action_storage_type_t type)
606 : Action(model, cost, failed),
607 ActionLmm(model, cost, failed),
608 StorageAction(model, cost, failed, storage, type) {
609 XBT_IN("(%s,%g", storage->m_name, cost);
610 p_variable = lmm_variable_new(p_model->p_maxminSystem, this, 1.0, -1.0 , 3);
612 // Must be less than the max bandwidth for all actions
613 lmm_expand(p_model->p_maxminSystem, storage->p_constraint, p_variable, 1.0);
621 lmm_expand(p_model->p_maxminSystem, storage->p_constraintRead,
625 lmm_expand(p_model->p_maxminSystem, storage->p_constraintWrite,
627 ActionPtr action = this;
628 xbt_dynar_push(storage->p_writeActions, &action);
635 int StorageActionLmm::unref()
639 xbt_swag_remove(static_cast<ActionPtr>(this), p_stateSet);
641 lmm_variable_free(p_model->p_maxminSystem, p_variable);
643 xbt_free(p_category);
651 void StorageActionLmm::cancel()
653 setState(SURF_ACTION_FAILED);
657 void StorageActionLmm::suspend()
659 XBT_IN("(%p)", this);
660 if (m_suspended != 2) {
661 lmm_update_variable_weight(p_model->p_maxminSystem,
669 void StorageActionLmm::resume()
674 bool StorageActionLmm::isSuspended()
676 return m_suspended == 1;
679 void StorageActionLmm::setMaxDuration(double /*duration*/)
684 void StorageActionLmm::setPriority(double /*priority*/)