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 xbt_dict_t parse_storage_content(char *filename, sg_size_t *used_size)
132 if ((!filename) || (strcmp(filename, "") == 0))
135 xbt_dict_t parse_content = xbt_dict_new_homogeneous(xbt_free);
138 file = surf_fopen(filename, "r");
139 xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
140 xbt_str_join(surf_path, ":"));
149 while ((read = xbt_getline(&line, &len, file)) != -1) {
151 if(sscanf(line,"%s %llu", path, &size) == 2) {
153 sg_size_t *psize = xbt_new(sg_size_t, 1);
155 xbt_dict_set(parse_content,path,psize,NULL);
157 xbt_die("Be sure of passing a good format for content file.\n");
163 return parse_content;
166 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
168 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
169 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
171 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
172 stype->model = xbt_strdup(storage_type->model);
173 stype->properties = storage_type->properties;
174 stype->content = xbt_strdup(storage_type->content);
175 stype->content_type = xbt_strdup(storage_type->content_type);
176 stype->type_id = xbt_strdup(storage_type->id);
177 stype->size = storage_type->size;
179 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
180 "content '%s', and content_type '%s'",
183 storage_type->content,
184 storage_type->content_type);
186 xbt_lib_set(storage_type_lib,
188 ROUTING_STORAGE_TYPE_LEVEL,
191 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t mstorage)
194 // mount_t mnt = xbt_new0(s_mount_t, 1);
195 // mnt->id = xbt_strdup(mstorage->type_id);
196 // mnt->name = xbt_strdup(mstorage->name);
199 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
200 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
202 // xbt_dynar_push(mount_list,(void *) mnt);
206 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
209 static void mount_free(void *p)
211 mount_t mnt = (mount_t) p;
215 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
217 // Verification of an existing storage
219 void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
221 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
223 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
226 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
227 mnt.name = xbt_strdup(mount->name);
230 //FIXME:XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
231 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
233 xbt_dynar_push(mount_list,&mnt);
236 static void storage_define_callbacks()
238 sg_platf_storage_add_cb(parse_storage_init);
239 sg_platf_storage_type_add_cb(parse_storage_type_init);
240 sg_platf_mstorage_add_cb(parse_mstorage_init);
241 sg_platf_mount_add_cb(parse_mount_init);
244 void storage_register_callbacks() {
246 ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
247 ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
248 ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
249 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
251 sg_platf_storage_add_cb(storage_parse_storage);
252 sg_platf_mstorage_add_cb(storage_parse_mstorage);
253 sg_platf_storage_type_add_cb(storage_parse_storage_type);
254 sg_platf_mount_add_cb(storage_parse_mount);
261 void surf_storage_model_init_default(void)
263 surf_storage_model = new StorageModel();
264 storage_define_callbacks();
265 xbt_dynar_push(model_list, &surf_storage_model);
268 StorageModel::StorageModel() : Model("Storage") {
269 StorageActionLmm action;
271 XBT_DEBUG("surf_storage_model_init_internal");
273 storage_running_action_set_that_does_not_need_being_checked =
274 xbt_swag_new(xbt_swag_offset(action, p_stateHookup));
276 if (!p_maxminSystem) {
277 p_maxminSystem = lmm_system_new(storage_selective_update);
282 StorageModel::~StorageModel(){
283 lmm_system_free(p_maxminSystem);
285 surf_storage_model = NULL;
287 xbt_dynar_free(&storage_list);
289 xbt_swag_free(storage_running_action_set_that_does_not_need_being_checked);
290 storage_running_action_set_that_does_not_need_being_checked = NULL;
293 StoragePtr StorageModel::createResource(const char* id, const char* model, const char* type_id,
294 const char* content_name, const char* content_type, xbt_dict_t properties)
297 xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
298 "Storage '%s' declared several times in the platform file",
301 storage_type_t storage_type = (storage_type_t) xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
303 double Bread = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bread"));
304 double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bwrite"));
305 double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->properties, "Bconnection"));
307 StoragePtr storage = new StorageLmm(this, id, properties, p_maxminSystem,
308 Bread, Bwrite, Bconnection,
309 type_id, (char *)content_name, xbt_strdup(content_type), storage_type->size);
311 xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, static_cast<ResourcePtr>(storage));
313 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",
317 storage_type->properties,
321 storage_list = xbt_dynar_new(sizeof(char *),NULL);
322 xbt_dynar_push(storage_list, &storage);
327 double StorageModel::shareResources(double now)
329 XBT_DEBUG("storage_share_resources %f", now);
332 StorageActionLmmPtr write_action;
334 double min_completion = shareResourcesMaxMin(p_runningActionSet,
335 p_maxminSystem, lmm_solve);
339 xbt_dynar_foreach(storage_list,i,storage)
342 // Foreach write action on disk
343 xbt_dynar_foreach(storage->p_writeActions, j, write_action)
345 rate += lmm_variable_getvalue(write_action->p_variable);
348 min_completion = MIN(min_completion, (storage->m_size-storage->m_usedSize)/rate);
351 return min_completion;
354 void StorageModel::updateActionsState(double now, double delta)
356 void *_action, *_next_action;
357 StorageActionLmmPtr action = NULL;
359 xbt_swag_foreach_safe(_action, _next_action, p_runningActionSet) {
360 action = dynamic_cast<StorageActionLmmPtr>(static_cast<ActionPtr>(_action));
361 if(action->m_type == WRITE)
363 // Update the disk usage
364 // Update the file size
365 // For each action of type write
366 double rate = lmm_variable_getvalue(action->p_variable);
367 /* Hack to avoid rounding differences between x86 and x86_64
368 * (note that the next sizes are of type sg_size_t). */
369 long incr = delta * rate + MAXMIN_PRECISION;
370 action->p_storage->m_usedSize += incr; // disk usage
371 action->p_file->size += incr; // file size
373 sg_size_t *psize = xbt_new(sg_size_t,1);
374 *psize = action->p_file->size;
376 xbt_dict_t content_dict = action->p_storage->p_content;
377 xbt_dict_set(content_dict, action->p_file->name, psize, NULL);
380 double_update(&action->m_remains,
381 lmm_variable_getvalue(action->p_variable) * delta);
383 if (action->m_maxDuration != NO_MAX_DURATION)
384 double_update(&action->m_maxDuration, delta);
386 if(action->m_remains > 0 &&
387 lmm_get_variable_weight(action->p_variable) > 0 &&
388 action->p_storage->m_usedSize == action->p_storage->m_size)
390 action->m_finish = surf_get_clock();
391 action->setState(SURF_ACTION_FAILED);
392 } else if ((action->m_remains <= 0) &&
393 (lmm_get_variable_weight(action->p_variable) > 0))
395 action->m_finish = surf_get_clock();
396 action->setState(SURF_ACTION_DONE);
397 } else if ((action->m_maxDuration != NO_MAX_DURATION) &&
398 (action->m_maxDuration <= 0))
400 action->m_finish = surf_get_clock();
401 action->setState(SURF_ACTION_DONE);
408 xbt_dict_t Storage::parseContent(char *filename)
411 if ((!filename) || (strcmp(filename, "") == 0))
414 xbt_dict_t parse_content = xbt_dict_new_homogeneous(xbt_free);
417 file = surf_fopen(filename, "r");
418 xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
419 xbt_str_join(surf_path, ":"));
428 while ((read = xbt_getline(&line, &len, file)) != -1) {
430 if(sscanf(line,"%s %llu", path, &size) == 2) {
432 sg_size_t *psize = xbt_new(sg_size_t, 1);
434 xbt_dict_set(parse_content,path,psize,NULL);
436 xbt_die("Be sure of passing a good format for content file.\n");
442 return parse_content;
449 Storage::Storage(StorageModelPtr model, const char* name, xbt_dict_t properties)
450 : Resource(model, name, properties)
452 p_writeActions = xbt_dynar_new(sizeof(char *),NULL);
455 StorageLmm::StorageLmm(StorageModelPtr model, const char* name, xbt_dict_t properties,
456 lmm_system_t maxminSystem, double bread, double bwrite, double bconnection,
457 const char* type_id, char *content_name, char *content_type, size_t size)
458 : Resource(model, name, properties), ResourceLmm(), Storage(model, name, properties) {
459 XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%lu'", bconnection, bread, bwrite, ((unsigned long)size));
461 p_stateCurrent = SURF_RESOURCE_ON;
465 p_content = parseContent(content_name);
466 p_contentType = content_type;
467 p_constraint = lmm_constraint_new(maxminSystem, this, bconnection);
468 p_constraintRead = lmm_constraint_new(maxminSystem, this, bread);
469 p_constraintWrite = lmm_constraint_new(maxminSystem, this, bwrite);
471 p_typeId = xbt_strdup(type_id);
474 bool Storage::isUsed()
480 void Storage::updateState(tmgr_trace_event_t event_type, double value, double date)
485 StorageActionPtr StorageLmm::ls(const char* path)
487 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, LS);
489 action->p_lsDict = NULL;
490 xbt_dict_t ls_dict = xbt_dict_new_homogeneous(xbt_free);
494 xbt_dict_cursor_t cursor = NULL;
496 xbt_dynar_t dyn = NULL;
499 // for each file in the storage content
500 xbt_dict_foreach(p_content,cursor,key,size){
501 // Search if file start with the prefix 'path'
502 if(xbt_str_start_with(key,path)){
503 file = &key[strlen(path)];
505 // Split file with '/'
506 dyn = xbt_str_split(file,"/");
507 file = xbt_dynar_get_as(dyn,0,char*);
510 if(xbt_dynar_length(dyn) == 1){
511 sg_size_t *psize = xbt_new(sg_size_t, 1);
513 xbt_dict_set(ls_dict, file, psize, NULL);
518 // if directory does not exist yet in the dictionary
519 if(!xbt_dict_get_or_null(ls_dict,file))
520 xbt_dict_set(ls_dict,file,NULL,NULL);
522 xbt_dynar_free(&dyn);
526 action->p_lsDict = ls_dict;
530 StorageActionPtr StorageLmm::open(const char* mount, const char* path)
532 XBT_DEBUG("\tOpen file '%s'",path);
533 sg_size_t size, *psize;
534 psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
535 // if file does not exist create an empty file
539 psize = xbt_new(sg_size_t,1);
542 xbt_dict_set(p_content, path, psize, NULL);
543 XBT_DEBUG("File '%s' was not found, file created.",path);
545 surf_file_t file = xbt_new0(s_surf_file_t,1);
546 file->name = xbt_strdup(path);
548 file->mount = xbt_strdup(mount);
550 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, OPEN);
551 action->p_file = file;
555 StorageActionPtr StorageLmm::close(surf_file_t fd)
557 char *filename = fd->name;
558 XBT_DEBUG("\tClose file '%s' size '%llu'", filename, fd->size);
559 // unref write actions from storage
560 StorageActionLmmPtr write_action;
562 xbt_dynar_foreach(p_writeActions, i, write_action) {
563 if ((write_action->p_file) == fd) {
564 xbt_dynar_cursor_rm(p_writeActions, &i);
565 write_action->unref();
571 StorageActionLmmPtr action = new StorageActionLmm(p_model, 0, p_stateCurrent != SURF_RESOURCE_ON, this, CLOSE);
575 StorageActionPtr StorageLmm::read(surf_file_t fd, sg_size_t size)
579 StorageActionLmmPtr action = new StorageActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, READ);
583 StorageActionPtr StorageLmm::write(surf_file_t fd, sg_size_t size)
585 char *filename = fd->name;
586 XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
588 StorageActionLmmPtr action = new StorageActionLmm(p_model, size, p_stateCurrent != SURF_RESOURCE_ON, this, WRITE);
591 // If the storage is full
592 if(m_usedSize==m_size) {
593 action->setState(SURF_ACTION_FAILED);
598 void StorageLmm::rename(const char *src, const char *dest)
600 sg_size_t *psize, *new_psize;
601 psize = (sg_size_t*) xbt_dict_get_or_null(p_content,src);
602 new_psize = xbt_new(sg_size_t, 1);
604 if (psize){// src file exists
605 xbt_dict_remove(p_content, src);
606 xbt_dict_set(p_content, dest, new_psize,NULL);
607 XBT_DEBUG("Change file name from %s to %s, size '%llu'",src, dest, *psize);
610 XBT_DEBUG("File %s doesn't exist",src);
613 xbt_dict_t StorageLmm::getContent()
615 /* For the moment this action has no cost, but in the future we could take in account access latency of the disk */
616 /*surf_action_t action = storage_action_execute(storage,0, LS);*/
618 xbt_dict_t content_dict = xbt_dict_new_homogeneous(NULL);
619 xbt_dict_cursor_t cursor = NULL;
623 xbt_dict_foreach(p_content, cursor, file, psize){
624 xbt_dict_set(content_dict,file,psize,NULL);
629 sg_size_t StorageLmm::getSize(){
637 StorageActionLmm::StorageActionLmm(ModelPtr model, double cost, bool failed, StorageLmmPtr storage, e_surf_action_storage_type_t type)
638 : Action(model, cost, failed), ActionLmm(model, cost, failed), StorageAction(model, cost, failed, storage, type) {
639 XBT_IN("(%s,%g", storage->m_name, cost);
640 p_variable = lmm_variable_new(p_model->p_maxminSystem, this, 1.0, -1.0 , 3);
642 // Must be less than the max bandwidth for all actions
643 lmm_expand(p_model->p_maxminSystem, storage->p_constraint, p_variable, 1.0);
651 lmm_expand(p_model->p_maxminSystem, storage->p_constraintRead,
655 lmm_expand(p_model->p_maxminSystem, storage->p_constraintWrite,
657 xbt_dynar_push(storage->p_writeActions, static_cast<ActionPtr>(this));
663 int StorageActionLmm::unref()
667 xbt_swag_remove(static_cast<ActionPtr>(this), p_stateSet);
669 lmm_variable_free(p_model->p_maxminSystem, p_variable);
671 xbt_free(p_category);
679 void StorageActionLmm::cancel()
681 setState(SURF_ACTION_FAILED);
685 void StorageActionLmm::suspend()
687 XBT_IN("(%p)", this);
688 if (m_suspended != 2) {
689 lmm_update_variable_weight(p_model->p_maxminSystem,
697 void StorageActionLmm::resume()
702 bool StorageActionLmm::isSuspended()
704 return m_suspended == 1;
707 void StorageActionLmm::setMaxDuration(double duration)
712 void StorageActionLmm::setPriority(double priority)