1 #include "storage_n11.hpp"
2 #include "surf_private.h"
4 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
6 static int storage_selective_update = 0;
7 static xbt_swag_t storage_running_action_set_that_does_not_need_being_checked = NULL;
13 static XBT_INLINE void routing_storage_type_free(void *r)
15 storage_type_t stype = (storage_type_t) r;
19 free(stype->content_type);
20 xbt_dict_free(&(stype->properties));
21 xbt_dict_free(&(stype->properties));
25 static XBT_INLINE void surf_storage_resource_free(void *r)
27 // specific to storage
28 StoragePtr storage = dynamic_cast<StoragePtr>(static_cast<ResourcePtr>(r));
33 static XBT_INLINE void routing_storage_host_free(void *r)
35 xbt_dynar_t dyn = (xbt_dynar_t) r;
39 static void parse_storage_init(sg_platf_storage_cbarg_t storage)
41 void* stype = xbt_lib_get_or_null(storage_type_lib,
43 ROUTING_STORAGE_TYPE_LEVEL);
44 if(!stype) xbt_die("No storage type '%s'",storage->type_id);
46 // if storage content is not specified use the content of storage_type if exist
47 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
48 storage->content = ((storage_type_t) stype)->content;
49 storage->content_type = ((storage_type_t) stype)->content_type;
50 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
51 storage->id,((storage_type_t) stype)->content_type,
52 ((storage_type_t) stype)->type_id);
55 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
56 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
57 "\n\t\tproperties '%p'\n",
59 ((storage_type_t) stype)->model,
60 ((storage_type_t) stype)->type_id,
62 storage->content_type,
63 ((storage_type_t) stype)->properties);
65 surf_storage_model->createResource(storage->id,
66 ((storage_type_t) stype)->type_id,
68 storage->content_type,
72 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t /*mstorage*/)
74 XBT_DEBUG("parse_mstorage_init");
77 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t /*storagetype_*/)
79 XBT_DEBUG("parse_storage_type_init");
82 static void parse_mount_init(sg_platf_mount_cbarg_t /*mount*/)
84 XBT_DEBUG("parse_mount_init");
87 static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
89 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
90 "Reading a storage, processing unit \"%s\" already exists", storage->id);
92 // Verification of an existing type_id
94 void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
96 xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
98 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
103 xbt_lib_set(storage_lib,
105 ROUTING_STORAGE_LEVEL,
106 (void *) xbt_strdup(storage->type_id));
109 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
111 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
112 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
114 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
115 stype->model = xbt_strdup(storage_type->model);
116 stype->properties = storage_type->properties;
117 stype->content = xbt_strdup(storage_type->content);
118 stype->content_type = xbt_strdup(storage_type->content_type);
119 stype->type_id = xbt_strdup(storage_type->id);
120 stype->size = storage_type->size;
122 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
123 "content '%s', and content_type '%s'",
126 storage_type->content,
127 storage_type->content_type);
129 xbt_lib_set(storage_type_lib,
131 ROUTING_STORAGE_TYPE_LEVEL,
135 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t /*mstorage*/)
138 // mount_t mnt = xbt_new0(s_mount_t, 1);
139 // mnt->id = xbt_strdup(mstorage->type_id);
140 // mnt->name = xbt_strdup(mstorage->name);
143 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
144 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
146 // xbt_dynar_push(mount_list,(void *) mnt);
150 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
153 static void mount_free(void *p)
155 mount_t mnt = (mount_t) p;
159 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
161 // Verification of an existing storage
163 void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
165 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
167 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
170 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
171 mnt.name = xbt_strdup(mount->name);
174 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
175 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
177 xbt_dynar_push(mount_list, &mnt);
180 static void storage_define_callbacks()
182 sg_platf_storage_add_cb(parse_storage_init);
183 sg_platf_storage_type_add_cb(parse_storage_type_init);
184 sg_platf_mstorage_add_cb(parse_mstorage_init);
185 sg_platf_mount_add_cb(parse_mount_init);
188 void storage_register_callbacks() {
190 ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
191 ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
192 ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
193 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
195 sg_platf_storage_add_cb(storage_parse_storage);
196 sg_platf_mstorage_add_cb(storage_parse_mstorage);
197 sg_platf_storage_type_add_cb(storage_parse_storage_type);
198 sg_platf_mount_add_cb(storage_parse_mount);
205 void surf_storage_model_init_default(void)
207 surf_storage_model = new StorageN11Model();
208 storage_define_callbacks();
209 xbt_dynar_push(model_list, &surf_storage_model);
212 StorageN11Model::StorageN11Model() : StorageModel() {
213 StorageN11ActionLmm action;
215 XBT_DEBUG("surf_storage_model_init_internal");
217 storage_running_action_set_that_does_not_need_being_checked =
218 xbt_swag_new(xbt_swag_offset(action, p_stateHookup));
220 if (!p_maxminSystem) {
221 p_maxminSystem = lmm_system_new(storage_selective_update);
225 StorageN11Model::~StorageN11Model(){
226 xbt_swag_free(storage_running_action_set_that_does_not_need_being_checked);
227 storage_running_action_set_that_does_not_need_being_checked = NULL;
230 StoragePtr StorageN11Model::createResource(const char* id, const char* type_id,
231 const char* content_name, const char* content_type, xbt_dict_t properties)
234 xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
235 "Storage '%s' declared several times in the platform file",
238 storage_type_t storage_type = (storage_type_t) xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
240 double Bread = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bread"));
241 double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bwrite"));
242 double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bconnection"));
244 StoragePtr storage = new StorageN11Lmm(this, id, properties, p_maxminSystem,
245 Bread, Bwrite, Bconnection,
246 type_id, (char *)content_name, xbt_strdup(content_type), storage_type->size);
248 xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, static_cast<ResourcePtr>(storage));
250 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tproperties '%p'\n\t\tBread '%f'\n",
253 storage_type->properties,
257 p_storageList = xbt_dynar_new(sizeof(char *),NULL);
258 xbt_dynar_push(p_storageList, &storage);
263 double StorageN11Model::shareResources(double now)
265 XBT_DEBUG("storage_share_resources %f", now);
269 StorageActionLmmPtr write_action;
271 double min_completion = shareResourcesMaxMin(p_runningActionSet,
272 p_maxminSystem, lmm_solve);
276 xbt_dynar_foreach(p_storageList,i,storage)
279 // Foreach write action on disk
280 xbt_dynar_foreach(storage->p_writeActions, j, _write_action)
282 write_action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_write_action));
283 rate += lmm_variable_getvalue(write_action->p_variable);
286 min_completion = MIN(min_completion, (storage->m_size-storage->m_usedSize)/rate);
289 return min_completion;
292 void StorageN11Model::updateActionsState(double /*now*/, double delta)
294 void *_action, *_next_action;
295 StorageActionLmmPtr action = NULL;
297 xbt_swag_foreach_safe(_action, _next_action, p_runningActionSet) {
298 action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_action));
299 if(action->m_type == WRITE)
301 // Update the disk usage
302 // Update the file size
303 // For each action of type write
304 double rate = lmm_variable_getvalue(action->p_variable);
305 /* Hack to avoid rounding differences between x86 and x86_64
306 * (note that the next sizes are of type sg_size_t). */
307 long incr = delta * rate + MAXMIN_PRECISION;
308 action->p_storage->m_usedSize += (incr - action->p_file->size); // disk usage
309 action->p_file->size = incr; // file size
311 sg_size_t *psize = xbt_new(sg_size_t,1);
312 *psize = action->p_file->size;
314 xbt_dict_t content_dict = action->p_storage->p_content;
315 xbt_dict_set(content_dict, action->p_file->name, psize, NULL);
318 double_update(&action->m_remains,
319 lmm_variable_getvalue(action->p_variable) * delta);
321 if (action->m_maxDuration != NO_MAX_DURATION)
322 double_update(&action->m_maxDuration, delta);
324 if(action->m_remains > 0 &&
325 lmm_get_variable_weight(action->p_variable) > 0 &&
326 action->p_storage->m_usedSize == action->p_storage->m_size)
328 action->m_finish = surf_get_clock();
329 action->setState(SURF_ACTION_FAILED);
330 } else if ((action->m_remains <= 0) &&
331 (lmm_get_variable_weight(action->p_variable) > 0))
333 action->m_finish = surf_get_clock();
334 action->setState(SURF_ACTION_DONE);
335 } else if ((action->m_maxDuration != NO_MAX_DURATION) &&
336 (action->m_maxDuration <= 0))
338 action->m_finish = surf_get_clock();
339 action->setState(SURF_ACTION_DONE);
350 StorageN11Lmm::StorageN11Lmm(StorageModelPtr model, const char* name, xbt_dict_t properties,
351 lmm_system_t maxminSystem, double bread, double bwrite, double bconnection,
352 const char* type_id, char *content_name, char *content_type, sg_size_t size)
353 : Resource(model, name, properties),
354 StorageLmm(maxminSystem, bread, bwrite, bconnection, type_id, content_name, content_type, size) {
355 XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
357 p_stateCurrent = SURF_RESOURCE_ON;
361 p_content = parseContent(content_name);
362 p_contentType = content_type;
363 p_constraint = lmm_constraint_new(maxminSystem, this, bconnection);
364 p_constraintRead = lmm_constraint_new(maxminSystem, this, bread);
365 p_constraintWrite = lmm_constraint_new(maxminSystem, this, bwrite);
367 p_typeId = xbt_strdup(type_id);
370 StorageActionPtr StorageN11Lmm::ls(const char* path)
372 StorageActionLmmPtr action = new StorageN11ActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, LS);
374 action->p_lsDict = NULL;
375 xbt_dict_t ls_dict = xbt_dict_new_homogeneous(xbt_free);
379 xbt_dict_cursor_t cursor = NULL;
381 xbt_dynar_t dyn = NULL;
384 // for each file in the storage content
385 xbt_dict_foreach(p_content,cursor,key,size){
386 // Search if file start with the prefix 'path'
387 if(xbt_str_start_with(key,path)){
388 file = &key[strlen(path)];
390 // Split file with '/'
391 dyn = xbt_str_split(file,"/");
392 file = xbt_dynar_get_as(dyn,0,char*);
395 if(xbt_dynar_length(dyn) == 1){
396 sg_size_t *psize = xbt_new(sg_size_t, 1);
398 xbt_dict_set(ls_dict, file, psize, NULL);
403 // if directory does not exist yet in the dictionary
404 if(!xbt_dict_get_or_null(ls_dict,file))
405 xbt_dict_set(ls_dict,file,NULL,NULL);
407 xbt_dynar_free(&dyn);
411 action->p_lsDict = ls_dict;
415 StorageActionPtr StorageN11Lmm::open(const char* mount, const char* path)
417 XBT_DEBUG("\tOpen file '%s'",path);
418 sg_size_t size, *psize;
419 psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
420 // if file does not exist create an empty file
424 psize = xbt_new(sg_size_t,1);
427 xbt_dict_set(p_content, path, psize, NULL);
428 XBT_DEBUG("File '%s' was not found, file created.",path);
430 surf_file_t file = xbt_new0(s_surf_file_t,1);
431 file->name = xbt_strdup(path);
433 file->mount = xbt_strdup(mount);
434 file->current_position = 0;
436 StorageActionLmmPtr action = new StorageN11ActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, OPEN);
437 action->p_file = file;
441 StorageActionPtr StorageN11Lmm::close(surf_file_t fd)
443 char *filename = fd->name;
444 XBT_DEBUG("\tClose file '%s' size '%llu'", filename, fd->size);
445 // unref write actions from storage
447 StorageActionLmmPtr write_action;
449 xbt_dynar_foreach(p_writeActions, i, _write_action) {
450 write_action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_write_action));
451 if ((write_action->p_file) == fd) {
452 xbt_dynar_cursor_rm(p_writeActions, &i);
453 write_action->unref();
459 StorageActionLmmPtr action = new StorageN11ActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, CLOSE);
463 StorageActionPtr StorageN11Lmm::read(surf_file_t fd, sg_size_t size)
467 fd->current_position = fd->size;
470 fd->current_position += size;
472 StorageActionLmmPtr action = new StorageN11ActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, READ);
476 StorageActionPtr StorageN11Lmm::write(surf_file_t fd, sg_size_t size)
478 char *filename = fd->name;
479 XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
481 StorageActionLmmPtr action = new StorageN11ActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, WRITE);
483 fd->current_position += size;
484 // If the storage is full
485 if(m_usedSize==m_size) {
486 action->setState(SURF_ACTION_FAILED);
491 void StorageN11Lmm::rename(const char *src, const char *dest)
493 sg_size_t *psize, *new_psize;
494 psize = (sg_size_t*) xbt_dict_get_or_null(p_content,src);
495 new_psize = xbt_new(sg_size_t, 1);
497 if (psize){// src file exists
498 xbt_dict_remove(p_content, src);
499 xbt_dict_set(p_content, dest, new_psize,NULL);
500 XBT_DEBUG("Change file name from %s to %s, size '%llu'",src, dest, *psize);
503 XBT_DEBUG("File %s doesn't exist",src);
506 xbt_dict_t StorageN11Lmm::getContent()
508 /* For the moment this action has no cost, but in the future we could take in account access latency of the disk */
509 /*surf_action_t action = storage_action_execute(storage,0, LS);*/
511 xbt_dict_t content_dict = xbt_dict_new_homogeneous(NULL);
512 xbt_dict_cursor_t cursor = NULL;
516 xbt_dict_foreach(p_content, cursor, file, psize){
517 xbt_dict_set(content_dict,file,psize,NULL);
522 sg_size_t StorageN11Lmm::getSize(){
530 StorageN11ActionLmm::StorageN11ActionLmm(ModelPtr model, double cost, bool failed, StorageLmmPtr storage, e_surf_action_storage_type_t type)
531 : Action(model, cost, failed),
532 StorageActionLmm(storage, type) {
533 XBT_IN("(%s,%g", storage->m_name, cost);
534 p_variable = lmm_variable_new(p_model->p_maxminSystem, this, 1.0, -1.0 , 3);
536 // Must be less than the max bandwidth for all actions
537 lmm_expand(p_model->p_maxminSystem, storage->p_constraint, p_variable, 1.0);
545 lmm_expand(p_model->p_maxminSystem, storage->p_constraintRead,
549 lmm_expand(p_model->p_maxminSystem, storage->p_constraintWrite,
551 ActionPtr action = this;
552 xbt_dynar_push(storage->p_writeActions, &action);
559 int StorageN11ActionLmm::unref()
563 xbt_swag_remove(static_cast<ActionPtr>(this), p_stateSet);
565 lmm_variable_free(p_model->p_maxminSystem, p_variable);
567 xbt_free(p_category);
575 void StorageN11ActionLmm::cancel()
577 setState(SURF_ACTION_FAILED);
581 void StorageN11ActionLmm::suspend()
583 XBT_IN("(%p)", this);
584 if (m_suspended != 2) {
585 lmm_update_variable_weight(p_model->p_maxminSystem,
593 void StorageN11ActionLmm::resume()
598 bool StorageN11ActionLmm::isSuspended()
600 return m_suspended == 1;
603 void StorageN11ActionLmm::setMaxDuration(double /*duration*/)
608 void StorageN11ActionLmm::setPriority(double /*priority*/)