1 /* Copyright (c) 2013-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "storage_n11.hpp"
8 #include "surf_private.h"
9 #include <math.h> /*ceil*/
10 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
12 static int storage_selective_update = 0;
13 static xbt_swag_t storage_running_action_set_that_does_not_need_being_checked = NULL;
19 static XBT_INLINE void routing_storage_type_free(void *r)
21 storage_type_t stype = (storage_type_t) r;
25 free(stype->content_type);
26 xbt_dict_free(&(stype->properties));
27 xbt_dict_free(&(stype->model_properties));
31 static XBT_INLINE void surf_storage_resource_free(void *r)
33 // specific to storage
34 Storage *storage = static_cast<Storage*>(r);
39 static XBT_INLINE void routing_storage_host_free(void *r)
41 xbt_dynar_t dyn = (xbt_dynar_t) r;
45 static void parse_mstorage_init(sg_platf_mstorage_cbarg_t /*mstorage*/)
47 XBT_DEBUG("parse_mstorage_init");
50 static void parse_storage_type_init(sg_platf_storage_type_cbarg_t /*storagetype_*/)
52 XBT_DEBUG("parse_storage_type_init");
55 static void parse_mount_init(sg_platf_mount_cbarg_t /*mount*/)
57 XBT_DEBUG("parse_mount_init");
60 static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
62 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
63 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
65 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
66 stype->model = xbt_strdup(storage_type->model);
67 stype->properties = storage_type->properties;
68 stype->content = xbt_strdup(storage_type->content);
69 stype->content_type = xbt_strdup(storage_type->content_type);
70 stype->type_id = xbt_strdup(storage_type->id);
71 stype->size = storage_type->size;
72 stype->model_properties = storage_type->model_properties;
74 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
75 "content '%s', and content_type '%s'",
78 storage_type->content,
79 storage_type->content_type);
81 xbt_lib_set(storage_type_lib,
83 ROUTING_STORAGE_TYPE_LEVEL,
87 static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t /*mstorage*/)
90 // mount_t mnt = xbt_new0(s_mount_t, 1);
91 // mnt->id = xbt_strdup(mstorage->type_id);
92 // mnt->name = xbt_strdup(mstorage->name);
95 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
96 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
98 // xbt_dynar_push(mount_list,(void *) mnt);
102 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
105 static void mount_free(void *p)
107 mount_t mnt = (mount_t) p;
111 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
113 // Verification of an existing storage
115 void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
117 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
119 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
122 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
123 mnt.name = xbt_strdup(mount->name);
126 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
127 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
129 xbt_dynar_push(mount_list, &mnt);
132 static void storage_define_callbacks()
134 sg_platf_storage_type_add_cb(parse_storage_type_init);
135 sg_platf_mstorage_add_cb(parse_mstorage_init);
136 sg_platf_mount_add_cb(parse_mount_init);
139 void storage_register_callbacks() {
141 ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, xbt_free_f);
142 ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
143 ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
144 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
146 sg_platf_mstorage_add_cb(storage_parse_mstorage);
147 sg_platf_storage_type_add_cb(storage_parse_storage_type);
148 sg_platf_mount_add_cb(storage_parse_mount);
155 void surf_storage_model_init_default(void)
157 surf_storage_model = new StorageN11Model();
158 storage_define_callbacks();
159 xbt_dynar_push(all_existing_models, &surf_storage_model);
162 StorageN11Model::StorageN11Model() : StorageModel() {
163 Action *action = NULL;
165 XBT_DEBUG("surf_storage_model_init_internal");
167 storage_running_action_set_that_does_not_need_being_checked =
168 xbt_swag_new(xbt_swag_offset(*action, p_stateHookup));
169 if (!p_maxminSystem) {
170 p_maxminSystem = lmm_system_new(storage_selective_update);
174 StorageN11Model::~StorageN11Model(){
175 xbt_swag_free(storage_running_action_set_that_does_not_need_being_checked);
176 storage_running_action_set_that_does_not_need_being_checked = NULL;
179 Storage *StorageN11Model::createStorage(const char* id, const char* type_id,
180 const char* content_name, const char* content_type, xbt_dict_t properties,
184 xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
185 "Storage '%s' declared several times in the platform file",
188 storage_type_t storage_type = (storage_type_t) xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
190 double Bread = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bread"));
191 double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bwrite"));
192 double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bconnection"));
194 Storage *storage = new StorageN11(this, id, properties, p_maxminSystem,
195 Bread, Bwrite, Bconnection, type_id, (char *)content_name,
196 xbt_strdup(content_type), storage_type->size, (char *) attach);
197 surf_callback_emit(storageCreatedCallbacks, storage);
198 xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
200 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tproperties '%p'\n\t\tBread '%f'\n",
207 p_storageList = xbt_dynar_new(sizeof(char *),NULL);
208 xbt_dynar_push(p_storageList, &storage);
213 double StorageN11Model::shareResources(double now)
215 XBT_DEBUG("storage_share_resources %f", now);
219 StorageAction *write_action;
221 double min_completion = shareResourcesMaxMin(getRunningActionSet(),
222 p_maxminSystem, lmm_solve);
226 xbt_dynar_foreach(p_storageList,i,storage)
229 // Foreach write action on disk
230 xbt_dynar_foreach(storage->p_writeActions, j, _write_action)
232 write_action = static_cast<StorageAction*>(_write_action);
233 rate += lmm_variable_getvalue(write_action->getVariable());
236 min_completion = MIN(min_completion, (storage->m_size-storage->m_usedSize)/rate);
239 return min_completion;
242 void StorageN11Model::updateActionsState(double /*now*/, double delta)
244 StorageAction *action = NULL;
246 ActionList *actionSet = getRunningActionSet();
247 for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
248 ; it != itend ; it=itNext) {
250 action = static_cast<StorageAction*>(&*it);
252 if(action->m_type == WRITE)
254 // Update the disk usage
255 // Update the file size
256 // For each action of type write
257 volatile double current_progress =
258 delta * lmm_variable_getvalue(action->getVariable());
259 long int incr = current_progress;
261 XBT_DEBUG("%s:\n\t progress = %.2f, current_progress = %.2f, "
262 "incr = %ld, lrint(1) = %ld, lrint(2) = %ld",
263 action->p_file->name,
264 action->progress, current_progress, incr,
265 lrint(action->progress + current_progress),
266 lrint(action->progress)+ incr);
268 /* take care of rounding error accumulation */
269 if (lrint(action->progress + current_progress) >
270 lrint(action->progress)+ incr)
273 action->progress +=current_progress;
275 action->p_storage->m_usedSize += incr; // disk usage
276 action->p_file->current_position+= incr; // current_position
277 // which becomes the new file size
278 action->p_file->size = action->p_file->current_position ;
280 sg_size_t *psize = xbt_new(sg_size_t,1);
281 *psize = action->p_file->size;
282 xbt_dict_t content_dict = action->p_storage->p_content;
283 xbt_dict_set(content_dict, action->p_file->name, psize, NULL);
286 action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
288 if (action->getMaxDuration() != NO_MAX_DURATION)
289 action->updateMaxDuration(delta);
291 if(action->getRemainsNoUpdate() > 0 &&
292 lmm_get_variable_weight(action->getVariable()) > 0 &&
293 action->p_storage->m_usedSize == action->p_storage->m_size)
296 action->setState(SURF_ACTION_FAILED);
297 } else if ((action->getRemainsNoUpdate() <= 0) &&
298 (lmm_get_variable_weight(action->getVariable()) > 0))
301 action->setState(SURF_ACTION_DONE);
302 } else if ((action->getMaxDuration() != NO_MAX_DURATION) &&
303 (action->getMaxDuration() <= 0))
306 action->setState(SURF_ACTION_DONE);
316 StorageN11::StorageN11(StorageModel *model, const char* name,
317 xbt_dict_t properties, lmm_system_t maxminSystem, double bread,
318 double bwrite, double bconnection, const char* type_id, char *content_name,
319 char *content_type, sg_size_t size, char *attach)
320 : Storage(model, name, properties,
321 maxminSystem, bread, bwrite, bconnection, type_id, content_name, content_type, size, attach) {
322 XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
325 StorageAction *StorageN11::open(const char* mount, const char* path)
327 XBT_DEBUG("\tOpen file '%s'",path);
329 sg_size_t size, *psize;
330 psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
331 // if file does not exist create an empty file
335 psize = xbt_new(sg_size_t,1);
338 xbt_dict_set(p_content, path, psize, NULL);
339 XBT_DEBUG("File '%s' was not found, file created.",path);
341 surf_file_t file = xbt_new0(s_surf_file_t,1);
342 file->name = xbt_strdup(path);
344 file->mount = xbt_strdup(mount);
345 file->current_position = 0;
347 StorageAction *action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, OPEN);
348 action->p_file = file;
353 StorageAction *StorageN11::close(surf_file_t fd)
355 char *filename = fd->name;
356 XBT_DEBUG("\tClose file '%s' size '%llu'", filename, fd->size);
357 // unref write actions from storage
359 StorageAction *write_action;
361 xbt_dynar_foreach(p_writeActions, i, _write_action) {
362 write_action = static_cast<StorageAction*>(_write_action);
363 if ((write_action->p_file) == fd) {
364 xbt_dynar_cursor_rm(p_writeActions, &i);
365 write_action->unref();
371 StorageAction *action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, CLOSE);
375 StorageAction *StorageN11::read(surf_file_t fd, sg_size_t size)
377 if(fd->current_position + size > fd->size){
378 if (fd->current_position > fd->size){
381 size = fd->size - fd->current_position;
383 fd->current_position = fd->size;
386 fd->current_position += size;
388 StorageAction *action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, READ);
392 StorageAction *StorageN11::write(surf_file_t fd, sg_size_t size)
394 char *filename = fd->name;
395 XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
397 StorageAction *action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, WRITE);
399 /* Substract the part of the file that might disappear from the used sized on
400 * the storage element */
401 m_usedSize -= (fd->size - fd->current_position);
402 // If the storage is full before even starting to write
403 if(m_usedSize==m_size) {
404 action->setState(SURF_ACTION_FAILED);
413 StorageN11Action::StorageN11Action(Model *model, double cost, bool failed, Storage *storage, e_surf_action_storage_type_t type)
414 : StorageAction(model, cost, failed,
415 lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0 , 3),
417 XBT_IN("(%s,%g", storage->getName(), cost);
419 // Must be less than the max bandwidth for all actions
420 lmm_expand(model->getMaxminSystem(), storage->getConstraint(), getVariable(), 1.0);
427 lmm_expand(model->getMaxminSystem(), storage->p_constraintRead,
431 lmm_expand(model->getMaxminSystem(), storage->p_constraintWrite,
434 //TODO there is something annoying with what's below. Have to sort it out...
435 // Action *action = this;
436 // xbt_dynar_push(storage->p_writeActions, &action);
443 int StorageN11Action::unref()
447 if (action_hook.is_linked())
448 p_stateSet->erase(p_stateSet->iterator_to(*this));
450 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
451 xbt_free(getCategory());
458 void StorageN11Action::cancel()
460 setState(SURF_ACTION_FAILED);
464 void StorageN11Action::suspend()
466 XBT_IN("(%p)", this);
467 if (m_suspended != 2) {
468 lmm_update_variable_weight(getModel()->getMaxminSystem(),
476 void StorageN11Action::resume()
481 bool StorageN11Action::isSuspended()
483 return m_suspended == 1;
486 void StorageN11Action::setMaxDuration(double /*duration*/)
491 void StorageN11Action::setPriority(double /*priority*/)