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 storage_parse_mstorage(sg_platf_mstorage_cbarg_t /*mstorage*/)
48 // mount_t mnt = xbt_new0(s_mount_t, 1);
49 // mnt->id = xbt_strdup(mstorage->type_id);
50 // mnt->name = xbt_strdup(mstorage->name);
53 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
54 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
56 // xbt_dynar_push(mount_list,(void *) mnt);
60 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
63 static void mount_free(void *p)
65 mount_t mnt = (mount_t) p;
69 static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
71 // Verification of an existing storage
73 void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
75 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
77 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
80 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
81 mnt.name = xbt_strdup(mount->name);
84 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
85 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
87 xbt_dynar_push(mount_list, &mnt);
90 void storage_register_callbacks() {
92 ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, xbt_free_f);
93 ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
94 ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
95 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
97 sg_platf_mstorage_add_cb(storage_parse_mstorage);
98 sg_platf_mount_add_cb(storage_parse_mount);
105 void surf_storage_model_init_default(void)
107 surf_storage_model = new StorageN11Model();
108 xbt_dynar_push(all_existing_models, &surf_storage_model);
111 StorageN11Model::StorageN11Model() : StorageModel() {
112 Action *action = NULL;
114 XBT_DEBUG("surf_storage_model_init_internal");
116 storage_running_action_set_that_does_not_need_being_checked =
117 xbt_swag_new(xbt_swag_offset(*action, p_stateHookup));
118 if (!p_maxminSystem) {
119 p_maxminSystem = lmm_system_new(storage_selective_update);
123 StorageN11Model::~StorageN11Model(){
124 xbt_swag_free(storage_running_action_set_that_does_not_need_being_checked);
125 storage_running_action_set_that_does_not_need_being_checked = NULL;
128 Storage *StorageN11Model::createStorage(const char* id, const char* type_id,
129 const char* content_name, const char* content_type, xbt_dict_t properties,
133 xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
134 "Storage '%s' declared several times in the platform file",
137 storage_type_t storage_type = (storage_type_t) xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
139 double Bread = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bread"));
140 double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bwrite"));
141 double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bconnection"));
143 Storage *storage = new StorageN11(this, id, properties, p_maxminSystem,
144 Bread, Bwrite, Bconnection, type_id, (char *)content_name,
145 xbt_strdup(content_type), storage_type->size, (char *) attach);
146 surf_callback_emit(storageCreatedCallbacks, storage);
147 xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
149 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tproperties '%p'\n\t\tBread '%f'\n",
156 p_storageList = xbt_dynar_new(sizeof(char *),NULL);
157 xbt_dynar_push(p_storageList, &storage);
162 double StorageN11Model::shareResources(double now)
164 XBT_DEBUG("storage_share_resources %f", now);
168 StorageAction *write_action;
170 double min_completion = shareResourcesMaxMin(getRunningActionSet(),
171 p_maxminSystem, lmm_solve);
175 xbt_dynar_foreach(p_storageList,i,storage)
178 // Foreach write action on disk
179 xbt_dynar_foreach(storage->p_writeActions, j, _write_action)
181 write_action = static_cast<StorageAction*>(_write_action);
182 rate += lmm_variable_getvalue(write_action->getVariable());
185 min_completion = MIN(min_completion, (storage->m_size-storage->m_usedSize)/rate);
188 return min_completion;
191 void StorageN11Model::updateActionsState(double /*now*/, double delta)
193 StorageAction *action = NULL;
195 ActionList *actionSet = getRunningActionSet();
196 for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
197 ; it != itend ; it=itNext) {
199 action = static_cast<StorageAction*>(&*it);
201 if(action->m_type == WRITE)
203 // Update the disk usage
204 // Update the file size
205 // For each action of type write
206 volatile double current_progress =
207 delta * lmm_variable_getvalue(action->getVariable());
208 long int incr = current_progress;
210 XBT_DEBUG("%s:\n\t progress = %.2f, current_progress = %.2f, "
211 "incr = %ld, lrint(1) = %ld, lrint(2) = %ld",
212 action->p_file->name,
213 action->progress, current_progress, incr,
214 lrint(action->progress + current_progress),
215 lrint(action->progress)+ incr);
217 /* take care of rounding error accumulation */
218 if (lrint(action->progress + current_progress) >
219 lrint(action->progress)+ incr)
222 action->progress +=current_progress;
224 action->p_storage->m_usedSize += incr; // disk usage
225 action->p_file->current_position+= incr; // current_position
226 // which becomes the new file size
227 action->p_file->size = action->p_file->current_position ;
229 sg_size_t *psize = xbt_new(sg_size_t,1);
230 *psize = action->p_file->size;
231 xbt_dict_t content_dict = action->p_storage->p_content;
232 xbt_dict_set(content_dict, action->p_file->name, psize, NULL);
235 action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
237 if (action->getMaxDuration() != NO_MAX_DURATION)
238 action->updateMaxDuration(delta);
240 if(action->getRemainsNoUpdate() > 0 &&
241 lmm_get_variable_weight(action->getVariable()) > 0 &&
242 action->p_storage->m_usedSize == action->p_storage->m_size)
245 action->setState(SURF_ACTION_FAILED);
246 } else if ((action->getRemainsNoUpdate() <= 0) &&
247 (lmm_get_variable_weight(action->getVariable()) > 0))
250 action->setState(SURF_ACTION_DONE);
251 } else if ((action->getMaxDuration() != NO_MAX_DURATION) &&
252 (action->getMaxDuration() <= 0))
255 action->setState(SURF_ACTION_DONE);
265 StorageN11::StorageN11(StorageModel *model, const char* name,
266 xbt_dict_t properties, lmm_system_t maxminSystem, double bread,
267 double bwrite, double bconnection, const char* type_id, char *content_name,
268 char *content_type, sg_size_t size, char *attach)
269 : Storage(model, name, properties,
270 maxminSystem, bread, bwrite, bconnection, type_id, content_name, content_type, size, attach) {
271 XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
274 StorageAction *StorageN11::open(const char* mount, const char* path)
276 XBT_DEBUG("\tOpen file '%s'",path);
278 sg_size_t size, *psize;
279 psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
280 // if file does not exist create an empty file
284 psize = xbt_new(sg_size_t,1);
287 xbt_dict_set(p_content, path, psize, NULL);
288 XBT_DEBUG("File '%s' was not found, file created.",path);
290 surf_file_t file = xbt_new0(s_surf_file_t,1);
291 file->name = xbt_strdup(path);
293 file->mount = xbt_strdup(mount);
294 file->current_position = 0;
296 StorageAction *action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, OPEN);
297 action->p_file = file;
302 StorageAction *StorageN11::close(surf_file_t fd)
304 char *filename = fd->name;
305 XBT_DEBUG("\tClose file '%s' size '%llu'", filename, fd->size);
306 // unref write actions from storage
308 StorageAction *write_action;
310 xbt_dynar_foreach(p_writeActions, i, _write_action) {
311 write_action = static_cast<StorageAction*>(_write_action);
312 if ((write_action->p_file) == fd) {
313 xbt_dynar_cursor_rm(p_writeActions, &i);
314 write_action->unref();
320 StorageAction *action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, CLOSE);
324 StorageAction *StorageN11::read(surf_file_t fd, sg_size_t size)
326 if(fd->current_position + size > fd->size){
327 if (fd->current_position > fd->size){
330 size = fd->size - fd->current_position;
332 fd->current_position = fd->size;
335 fd->current_position += size;
337 StorageAction *action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, READ);
341 StorageAction *StorageN11::write(surf_file_t fd, sg_size_t size)
343 char *filename = fd->name;
344 XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
346 StorageAction *action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, WRITE);
348 /* Substract the part of the file that might disappear from the used sized on
349 * the storage element */
350 m_usedSize -= (fd->size - fd->current_position);
351 // If the storage is full before even starting to write
352 if(m_usedSize==m_size) {
353 action->setState(SURF_ACTION_FAILED);
362 StorageN11Action::StorageN11Action(Model *model, double cost, bool failed, Storage *storage, e_surf_action_storage_type_t type)
363 : StorageAction(model, cost, failed,
364 lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0 , 3),
366 XBT_IN("(%s,%g", storage->getName(), cost);
368 // Must be less than the max bandwidth for all actions
369 lmm_expand(model->getMaxminSystem(), storage->getConstraint(), getVariable(), 1.0);
376 lmm_expand(model->getMaxminSystem(), storage->p_constraintRead,
380 lmm_expand(model->getMaxminSystem(), storage->p_constraintWrite,
383 //TODO there is something annoying with what's below. Have to sort it out...
384 // Action *action = this;
385 // xbt_dynar_push(storage->p_writeActions, &action);
392 int StorageN11Action::unref()
396 if (action_hook.is_linked())
397 p_stateSet->erase(p_stateSet->iterator_to(*this));
399 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
400 xbt_free(getCategory());
407 void StorageN11Action::cancel()
409 setState(SURF_ACTION_FAILED);
413 void StorageN11Action::suspend()
415 XBT_IN("(%p)", this);
416 if (m_suspended != 2) {
417 lmm_update_variable_weight(getModel()->getMaxminSystem(),
425 void StorageN11Action::resume()
430 bool StorageN11Action::isSuspended()
432 return m_suspended == 1;
435 void StorageN11Action::setMaxDuration(double /*duration*/)
440 void StorageN11Action::setPriority(double /*priority*/)