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 xbt_dict_free(&(stype->properties));
37 xbt_dict_free(&(stype->properties));
41 static XBT_INLINE void surf_storage_resource_free(void *r)
43 // specific to storage
44 StoragePtr storage = dynamic_cast<StoragePtr>(static_cast<ResourcePtr>(r));
45 xbt_dict_free(&storage->p_content);
46 xbt_dynar_free(&storage->p_writeActions);
47 free(storage->p_typeId);
48 free(storage->p_contentType);
53 static XBT_INLINE void routing_storage_host_free(void *r)
55 xbt_dynar_t dyn = (xbt_dynar_t) r;
59 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
61 void* stype = xbt_lib_get_or_null(storage_type_lib,
63 ROUTING_STORAGE_TYPE_LEVEL);
64 if(!stype) xbt_die("No storage type '%s'",storage->type_id);
66 // if storage content is not specified use the content of storage_type if exist
67 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
68 storage->content = ((storage_type_t) stype)->content;
69 storage->content_type = ((storage_type_t) stype)->content_type;
70 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
71 storage->id,((storage_type_t) stype)->content_type,
72 ((storage_type_t) stype)->type_id);
75 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
76 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
77 "\n\t\tproperties '%p'\n",
79 ((storage_type_t) stype)->model,
80 ((storage_type_t) stype)->type_id,
82 storage->content_type,
83 ((storage_type_t) stype)->properties);
85 surf_storage_model->createResource(storage->id, ((storage_type_t) stype)->model,
86 ((storage_type_t) stype)->type_id,
88 storage->content_type,
92 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t /*mstorage*/)
94 XBT_DEBUG("parse_mstorage_init");
97 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t /*storagetype_*/)
99 XBT_DEBUG("parse_storage_type_init");
102 static void parse_mount_init(sg_platf_mount_cbarg_t /*mount*/)
104 XBT_DEBUG("parse_mount_init");
107 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
109 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
110 "Reading a storage, processing unit \"%s\" already exists", storage->id);
112 // Verification of an existing type_id
114 void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
116 xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
118 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
123 xbt_lib_set(storage_lib,
125 ROUTING_STORAGE_LEVEL,
126 (void *) xbt_strdup(storage->type_id));
129 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
131 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
132 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
134 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
135 stype->model = xbt_strdup(storage_type->model);
136 stype->properties = storage_type->properties;
137 stype->content = xbt_strdup(storage_type->content);
138 stype->content_type = xbt_strdup(storage_type->content_type);
139 stype->type_id = xbt_strdup(storage_type->id);
140 stype->size = storage_type->size;
142 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
143 "content '%s', and content_type '%s'",
146 storage_type->content,
147 storage_type->content_type);
149 xbt_lib_set(storage_type_lib,
151 ROUTING_STORAGE_TYPE_LEVEL,
154 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t /*mstorage*/)
157 // mount_t mnt = xbt_new0(s_mount_t, 1);
158 // mnt->id = xbt_strdup(mstorage->type_id);
159 // mnt->name = xbt_strdup(mstorage->name);
162 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
163 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
165 // xbt_dynar_push(mount_list,(void *) mnt);
169 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
172 static void mount_free(void *p)
174 mount_t mnt = (mount_t) p;
178 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
180 // Verification of an existing storage
182 void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
184 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
186 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
189 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
190 mnt.name = xbt_strdup(mount->name);
193 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
194 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
196 xbt_dynar_push(mount_list,&mnt);
199 static void storage_define_callbacks()
201 sg_platf_storage_add_cb(parse_storage_init);
202 sg_platf_storage_type_add_cb(parse_storage_type_init);
203 sg_platf_mstorage_add_cb(parse_mstorage_init);
204 sg_platf_mount_add_cb(parse_mount_init);
207 void storage_register_callbacks() {
209 ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
210 ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
211 ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
212 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
214 sg_platf_storage_add_cb(storage_parse_storage);
215 sg_platf_mstorage_add_cb(storage_parse_mstorage);
216 sg_platf_storage_type_add_cb(storage_parse_storage_type);
217 sg_platf_mount_add_cb(storage_parse_mount);
224 void surf_storage_model_init_default(void)
226 surf_storage_model = new StorageModel();
227 storage_define_callbacks();
228 xbt_dynar_push(model_list, &surf_storage_model);
231 StorageModel::StorageModel() : Model("Storage") {
232 StorageActionLmm action;
234 XBT_DEBUG("surf_storage_model_init_internal");
236 storage_running_action_set_that_does_not_need_being_checked =
237 xbt_swag_new(xbt_swag_offset(action, p_stateHookup));
239 if (!p_maxminSystem) {
240 p_maxminSystem = lmm_system_new(storage_selective_update);
245 StorageModel::~StorageModel(){
246 lmm_system_free(p_maxminSystem);
248 surf_storage_model = NULL;
250 xbt_dynar_free(&storage_list);
252 xbt_swag_free(storage_running_action_set_that_does_not_need_being_checked);
253 storage_running_action_set_that_does_not_need_being_checked = NULL;
256 StoragePtr StorageModel::createResource(const char* id, const char* model, const char* type_id,
257 const char* content_name, const char* content_type, xbt_dict_t properties)
260 xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
261 "Storage '%s' declared several times in the platform file",
264 storage_type_t storage_type = (storage_type_t) xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
266 double Bread = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bread"));
267 double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bwrite"));
268 double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bconnection"));
270 StoragePtr storage = new StorageLmm(this, id, properties, p_maxminSystem,
271 Bread, Bwrite, Bconnection,
272 type_id, (char *)content_name, xbt_strdup(content_type), storage_type->size);
274 xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, static_cast<ResourcePtr>(storage));
276 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",
280 storage_type->properties,
284 storage_list = xbt_dynar_new(sizeof(char *),NULL);
285 xbt_dynar_push(storage_list, &storage);
290 double StorageModel::shareResources(double now)
292 XBT_DEBUG("storage_share_resources %f", now);
296 StorageActionLmmPtr write_action;
298 double min_completion = shareResourcesMaxMin(p_runningActionSet,
299 p_maxminSystem, lmm_solve);
303 xbt_dynar_foreach(storage_list,i,storage)
306 // Foreach write action on disk
307 xbt_dynar_foreach(storage->p_writeActions, j, _write_action)
309 write_action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_write_action));
310 rate += lmm_variable_getvalue(write_action->p_variable);
313 min_completion = MIN(min_completion, (storage->m_size-storage->m_usedSize)/rate);
316 return min_completion;
319 void StorageModel::updateActionsState(double /*now*/, double delta)
321 void *_action, *_next_action;
322 StorageActionLmmPtr action = NULL;
324 xbt_swag_foreach_safe(_action, _next_action, p_runningActionSet) {
325 action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_action));
326 if(action->m_type == WRITE)
328 // Update the disk usage
329 // Update the file size
330 // For each action of type write
331 double rate = lmm_variable_getvalue(action->p_variable);
332 /* Hack to avoid rounding differences between x86 and x86_64
333 * (note that the next sizes are of type sg_size_t). */
334 long incr = delta * rate + MAXMIN_PRECISION;
335 action->p_storage->m_usedSize += incr; // disk usage
336 action->p_file->size += incr; // file size
338 sg_size_t *psize = xbt_new(sg_size_t,1);
339 *psize = action->p_file->size;
341 xbt_dict_t content_dict = action->p_storage->p_content;
342 xbt_dict_set(content_dict, action->p_file->name, psize, NULL);
345 double_update(&action->m_remains,
346 lmm_variable_getvalue(action->p_variable) * delta);
348 if (action->m_maxDuration != NO_MAX_DURATION)
349 double_update(&action->m_maxDuration, delta);
351 if(action->m_remains > 0 &&
352 lmm_get_variable_weight(action->p_variable) > 0 &&
353 action->p_storage->m_usedSize == action->p_storage->m_size)
355 action->m_finish = surf_get_clock();
356 action->setState(SURF_ACTION_FAILED);
357 } else if ((action->m_remains <= 0) &&
358 (lmm_get_variable_weight(action->p_variable) > 0))
360 action->m_finish = surf_get_clock();
361 action->setState(SURF_ACTION_DONE);
362 } else if ((action->m_maxDuration != NO_MAX_DURATION) &&
363 (action->m_maxDuration <= 0))
365 action->m_finish = surf_get_clock();
366 action->setState(SURF_ACTION_DONE);
373 xbt_dict_t Storage::parseContent(char *filename)
376 if ((!filename) || (strcmp(filename, "") == 0))
379 xbt_dict_t parse_content = xbt_dict_new_homogeneous(xbt_free);
382 file = surf_fopen(filename, "r");
383 xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
384 xbt_str_join(surf_path, ":"));
393 while ((read = xbt_getline(&line, &len, file)) != -1) {
395 if(sscanf(line,"%s %llu", path, &size) == 2) {
397 sg_size_t *psize = xbt_new(sg_size_t, 1);
399 xbt_dict_set(parse_content,path,psize,NULL);
401 xbt_die("Be sure of passing a good format for content file.\n");
407 return parse_content;
414 Storage::Storage(StorageModelPtr model, const char* name, xbt_dict_t properties)
415 : Resource(model, name, properties)
417 p_writeActions = xbt_dynar_new(sizeof(ActionPtr),NULL);
420 StorageLmm::StorageLmm(StorageModelPtr model, const char* name, xbt_dict_t properties,
421 lmm_system_t maxminSystem, double bread, double bwrite, double bconnection,
422 const char* type_id, char *content_name, char *content_type, sg_size_t size)
423 : Resource(model, name, properties), ResourceLmm(), Storage(model, name, properties) {
424 XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
426 p_stateCurrent = SURF_RESOURCE_ON;
430 p_content = parseContent(content_name);
431 p_contentType = content_type;
432 p_constraint = lmm_constraint_new(maxminSystem, this, bconnection);
433 p_constraintRead = lmm_constraint_new(maxminSystem, this, bread);
434 p_constraintWrite = lmm_constraint_new(maxminSystem, this, bwrite);
436 p_typeId = xbt_strdup(type_id);
439 bool Storage::isUsed()
445 void Storage::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/)
450 StorageActionPtr StorageLmm::ls(const char* path)
452 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, LS);
454 action->p_lsDict = NULL;
455 xbt_dict_t ls_dict = xbt_dict_new_homogeneous(xbt_free);
459 xbt_dict_cursor_t cursor = NULL;
461 xbt_dynar_t dyn = NULL;
464 // for each file in the storage content
465 xbt_dict_foreach(p_content,cursor,key,size){
466 // Search if file start with the prefix 'path'
467 if(xbt_str_start_with(key,path)){
468 file = &key[strlen(path)];
470 // Split file with '/'
471 dyn = xbt_str_split(file,"/");
472 file = xbt_dynar_get_as(dyn,0,char*);
475 if(xbt_dynar_length(dyn) == 1){
476 sg_size_t *psize = xbt_new(sg_size_t, 1);
478 xbt_dict_set(ls_dict, file, psize, NULL);
483 // if directory does not exist yet in the dictionary
484 if(!xbt_dict_get_or_null(ls_dict,file))
485 xbt_dict_set(ls_dict,file,NULL,NULL);
487 xbt_dynar_free(&dyn);
491 action->p_lsDict = ls_dict;
495 StorageActionPtr StorageLmm::open(const char* mount, const char* path)
497 XBT_DEBUG("\tOpen file '%s'",path);
498 sg_size_t size, *psize;
499 psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
500 // if file does not exist create an empty file
504 psize = xbt_new(sg_size_t,1);
507 xbt_dict_set(p_content, path, psize, NULL);
508 XBT_DEBUG("File '%s' was not found, file created.",path);
510 surf_file_t file = xbt_new0(s_surf_file_t,1);
511 file->name = xbt_strdup(path);
513 file->mount = xbt_strdup(mount);
515 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, OPEN);
516 action->p_file = file;
520 StorageActionPtr StorageLmm::close(surf_file_t fd)
522 char *filename = fd->name;
523 XBT_DEBUG("\tClose file '%s' size '%llu'", filename, fd->size);
524 // unref write actions from storage
526 StorageActionLmmPtr write_action;
528 xbt_dynar_foreach(p_writeActions, i, _write_action) {
529 write_action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_write_action));
530 if ((write_action->p_file) == fd) {
531 xbt_dynar_cursor_rm(p_writeActions, &i);
532 write_action->unref();
538 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, CLOSE);
542 StorageActionPtr StorageLmm::read(surf_file_t fd, sg_size_t size)
546 StorageActionLmmPtr action = new StorageActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, READ);
550 StorageActionPtr StorageLmm::write(surf_file_t fd, sg_size_t size)
552 char *filename = fd->name;
553 XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
555 StorageActionLmmPtr action = new StorageActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, WRITE);
558 // If the storage is full
559 if(m_usedSize==m_size) {
560 action->setState(SURF_ACTION_FAILED);
565 void StorageLmm::rename(const char *src, const char *dest)
567 sg_size_t *psize, *new_psize;
568 psize = (sg_size_t*) xbt_dict_get_or_null(p_content,src);
569 new_psize = xbt_new(sg_size_t, 1);
571 if (psize){// src file exists
572 xbt_dict_remove(p_content, src);
573 xbt_dict_set(p_content, dest, new_psize,NULL);
574 XBT_DEBUG("Change file name from %s to %s, size '%llu'",src, dest, *psize);
577 XBT_DEBUG("File %s doesn't exist",src);
580 xbt_dict_t StorageLmm::getContent()
582 /* For the moment this action has no cost, but in the future we could take in account access latency of the disk */
583 /*surf_action_t action = storage_action_execute(storage,0, LS);*/
585 xbt_dict_t content_dict = xbt_dict_new_homogeneous(NULL);
586 xbt_dict_cursor_t cursor = NULL;
590 xbt_dict_foreach(p_content, cursor, file, psize){
591 xbt_dict_set(content_dict,file,psize,NULL);
596 sg_size_t StorageLmm::getSize(){
604 StorageActionLmm::StorageActionLmm(ModelPtr model, double cost, bool failed, StorageLmmPtr storage, e_surf_action_storage_type_t type)
605 : Action(model, cost, failed),
606 ActionLmm(model, cost, failed),
607 StorageAction(model, cost, failed, storage, type) {
608 XBT_IN("(%s,%g", storage->m_name, cost);
609 p_variable = lmm_variable_new(p_model->p_maxminSystem, this, 1.0, -1.0 , 3);
611 // Must be less than the max bandwidth for all actions
612 lmm_expand(p_model->p_maxminSystem, storage->p_constraint, p_variable, 1.0);
620 lmm_expand(p_model->p_maxminSystem, storage->p_constraintRead,
624 lmm_expand(p_model->p_maxminSystem, storage->p_constraintWrite,
626 ActionPtr action = this;
627 xbt_dynar_push(storage->p_writeActions, &action);
634 int StorageActionLmm::unref()
638 xbt_swag_remove(static_cast<ActionPtr>(this), p_stateSet);
640 lmm_variable_free(p_model->p_maxminSystem, p_variable);
642 xbt_free(p_category);
650 void StorageActionLmm::cancel()
652 setState(SURF_ACTION_FAILED);
656 void StorageActionLmm::suspend()
658 XBT_IN("(%p)", this);
659 if (m_suspended != 2) {
660 lmm_update_variable_weight(p_model->p_maxminSystem,
668 void StorageActionLmm::resume()
673 bool StorageActionLmm::isSuspended()
675 return m_suspended == 1;
678 void StorageActionLmm::setMaxDuration(double /*duration*/)
683 void StorageActionLmm::setPriority(double /*priority*/)