-/* Copyright (c) 2013-2014. The SimGrid Team.
+/* Copyright (c) 2013-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "storage_n11.hpp"
#include "surf_private.h"
-
+#include <math.h> /*ceil*/
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
static int storage_selective_update = 0;
static XBT_INLINE void surf_storage_resource_free(void *r)
{
// specific to storage
- StoragePtr storage = static_cast<StoragePtr>(r);
+ Storage *storage = static_cast<Storage*>(r);
// generic resource
delete storage;
}
xbt_dynar_free(&dyn);
}
-static void parse_storage_init(sg_platf_storage_cbarg_t storage)
-{
- void* stype = xbt_lib_get_or_null(storage_type_lib,
- storage->type_id,
- ROUTING_STORAGE_TYPE_LEVEL);
- if(!stype) xbt_die("No storage type '%s'",storage->type_id);
-
- // if storage content is not specified use the content of storage_type if exist
- if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
- storage->content = ((storage_type_t) stype)->content;
- storage->content_type = ((storage_type_t) stype)->content_type;
- XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
- storage->id,((storage_type_t) stype)->content_type,
- ((storage_type_t) stype)->type_id);
- }
-
- XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
- "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
- "\n\t\tproperties '%p''\n",
- storage->id,
- ((storage_type_t) stype)->model,
- ((storage_type_t) stype)->type_id,
- storage->content,
- storage->content_type,
- storage->properties);
-
- surf_storage_model->createResource(storage->id,
- ((storage_type_t) stype)->type_id,
- storage->content,
- storage->content_type,
- storage->properties);
-}
-
-static void parse_mstorage_init(sg_platf_mstorage_cbarg_t /*mstorage*/)
-{
- XBT_DEBUG("parse_mstorage_init");
-}
-
-static void parse_storage_type_init(sg_platf_storage_type_cbarg_t /*storagetype_*/)
-{
- XBT_DEBUG("parse_storage_type_init");
-}
-
-static void parse_mount_init(sg_platf_mount_cbarg_t /*mount*/)
-{
- XBT_DEBUG("parse_mount_init");
-}
-
-static void storage_parse_storage(sg_platf_storage_cbarg_t storage)
-{
- xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
- "Reading a storage, processing unit \"%s\" already exists", storage->id);
-
- // Verification of an existing type_id
-#ifndef NDEBUG
- void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
-#endif
- xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
-
- XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
- storage->id,
- storage->type_id,
- storage->content);
-
- xbt_lib_set(storage_lib,
- storage->id,
- ROUTING_STORAGE_LEVEL,
- (void *) xbt_strdup(storage->type_id));
-}
-
-static void storage_parse_storage_type(sg_platf_storage_type_cbarg_t storage_type)
-{
- xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
- "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
-
- storage_type_t stype = xbt_new0(s_storage_type_t, 1);
- stype->model = xbt_strdup(storage_type->model);
- stype->properties = storage_type->properties;
- stype->content = xbt_strdup(storage_type->content);
- stype->content_type = xbt_strdup(storage_type->content_type);
- stype->type_id = xbt_strdup(storage_type->id);
- stype->size = storage_type->size;
- stype->model_properties = storage_type->model_properties;
-
- XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
- "content '%s', and content_type '%s'",
- stype->type_id,
- stype->model,
- storage_type->content,
- storage_type->content_type);
-
- xbt_lib_set(storage_type_lib,
- stype->type_id,
- ROUTING_STORAGE_TYPE_LEVEL,
- (void *) stype);
-}
-
-static void storage_parse_mstorage(sg_platf_mstorage_cbarg_t /*mstorage*/)
-{
- THROW_UNIMPLEMENTED;
-// mount_t mnt = xbt_new0(s_mount_t, 1);
-// mnt->id = xbt_strdup(mstorage->type_id);
-// mnt->name = xbt_strdup(mstorage->name);
-//
-// if(!mount_list){
-// XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
-// mount_list = xbt_dynar_new(sizeof(char *), NULL);
-// }
-// xbt_dynar_push(mount_list,(void *) mnt);
-// free(mnt->id);
-// free(mnt->name);
-// xbt_free(mnt);
-// XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
-}
-
-static void mount_free(void *p)
-{
- mount_t mnt = (mount_t) p;
- xbt_free(mnt->name);
-}
-
-static void storage_parse_mount(sg_platf_mount_cbarg_t mount)
-{
- // Verification of an existing storage
-#ifndef NDEBUG
- void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
-#endif
- xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
-
- XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
-
- s_mount_t mnt;
- mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
- mnt.name = xbt_strdup(mount->name);
-
- if(!mount_list){
- XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
- mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
- }
- xbt_dynar_push(mount_list, &mnt);
-}
-
-static void storage_define_callbacks()
+void storage_register_callbacks()
{
- sg_platf_storage_add_cb(parse_storage_init);
- sg_platf_storage_type_add_cb(parse_storage_type_init);
- sg_platf_mstorage_add_cb(parse_mstorage_init);
- sg_platf_mount_add_cb(parse_mount_init);
-}
-
-void storage_register_callbacks() {
-
- ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
+ ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, xbt_free_f);
ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
-
- sg_platf_storage_add_cb(storage_parse_storage);
- sg_platf_mstorage_add_cb(storage_parse_mstorage);
- sg_platf_storage_type_add_cb(storage_parse_storage_type);
- sg_platf_mount_add_cb(storage_parse_mount);
}
/*********
void surf_storage_model_init_default(void)
{
surf_storage_model = new StorageN11Model();
- storage_define_callbacks();
- xbt_dynar_push(model_list, &surf_storage_model);
+ xbt_dynar_push(all_existing_models, &surf_storage_model);
}
StorageN11Model::StorageN11Model() : StorageModel() {
- ActionPtr action = NULL;
+ Action *action = NULL;
XBT_DEBUG("surf_storage_model_init_internal");
storage_running_action_set_that_does_not_need_being_checked = NULL;
}
-StoragePtr StorageN11Model::createResource(const char* id, const char* type_id,
- const char* content_name, const char* content_type, xbt_dict_t properties)
+Storage *StorageN11Model::createStorage(const char* id, const char* type_id,
+ const char* content_name, const char* content_type, xbt_dict_t properties,
+ const char* attach)
{
xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bwrite"));
double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bconnection"));
- StoragePtr storage = new StorageN11(this, id, properties, p_maxminSystem,
- Bread, Bwrite, Bconnection,
- type_id, (char *)content_name, xbt_strdup(content_type), storage_type->size);
-
- xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, static_cast<ResourcePtr>(storage));
+ Storage *storage = new StorageN11(this, id, properties, p_maxminSystem,
+ Bread, Bwrite, Bconnection, type_id, (char *)content_name,
+ xbt_strdup(content_type), storage_type->size, (char *) attach);
+ surf_callback_emit(storageCreatedCallbacks, storage);
+ xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tproperties '%p'\n\t\tBread '%f'\n",
id,
Bread);
if(!p_storageList)
- p_storageList = xbt_dynar_new(sizeof(char *),NULL);
+ p_storageList = xbt_dynar_new(sizeof(char *),NULL);
xbt_dynar_push(p_storageList, &storage);
return storage;
{
XBT_DEBUG("storage_share_resources %f", now);
unsigned int i, j;
- StoragePtr storage;
+ Storage *storage;
void *_write_action;
- StorageActionPtr write_action;
+ StorageAction *write_action;
double min_completion = shareResourcesMaxMin(getRunningActionSet(),
p_maxminSystem, lmm_solve);
// Foreach write action on disk
xbt_dynar_foreach(storage->p_writeActions, j, _write_action)
{
- write_action = static_cast<StorageActionPtr>(_write_action);
+ write_action = static_cast<StorageAction*>(_write_action);
rate += lmm_variable_getvalue(write_action->getVariable());
}
if(rate > 0)
void StorageN11Model::updateActionsState(double /*now*/, double delta)
{
- StorageActionPtr action = NULL;
+ StorageAction *action = NULL;
- ActionListPtr actionSet = getRunningActionSet();
+ ActionList *actionSet = getRunningActionSet();
for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
; it != itend ; it=itNext) {
++itNext;
- action = static_cast<StorageActionPtr>(&*it);
+ action = static_cast<StorageAction*>(&*it);
+
if(action->m_type == WRITE)
{
// Update the disk usage
- // Update the file size
- // For each action of type write
- double rate = lmm_variable_getvalue(action->getVariable());
- /* Hack to avoid rounding differences between x86 and x86_64
- * (note that the next sizes are of type sg_size_t). */
- long incr = delta * rate + MAXMIN_PRECISION;
- action->p_storage->m_usedSize += (incr - action->p_file->size); // disk usage
- action->p_file->size += incr; // file size
+ // Update the file size
+ // For each action of type write
+ volatile double current_progress =
+ delta * lmm_variable_getvalue(action->getVariable());
+ long int incr = current_progress;
+
+ XBT_DEBUG("%s:\n\t progress = %.2f, current_progress = %.2f, "
+ "incr = %ld, lrint(1) = %ld, lrint(2) = %ld",
+ action->p_file->name,
+ action->progress, current_progress, incr,
+ lrint(action->progress + current_progress),
+ lrint(action->progress)+ incr);
+
+ /* take care of rounding error accumulation */
+ if (lrint(action->progress + current_progress) >
+ lrint(action->progress)+ incr)
+ incr++;
+
+ action->progress +=current_progress;
+
+ action->p_storage->m_usedSize += incr; // disk usage
+ action->p_file->current_position+= incr; // current_position
+ // which becomes the new file size
+ action->p_file->size = action->p_file->current_position ;
sg_size_t *psize = xbt_new(sg_size_t,1);
*psize = action->p_file->size;
action->setState(SURF_ACTION_DONE);
}
}
-
return;
}
* Resource *
************/
-StorageN11::StorageN11(StorageModelPtr model, const char* name, xbt_dict_t properties,
- lmm_system_t maxminSystem, double bread, double bwrite, double bconnection,
- const char* type_id, char *content_name, char *content_type, sg_size_t size)
+StorageN11::StorageN11(StorageModel *model, const char* name,
+ xbt_dict_t properties, lmm_system_t maxminSystem, double bread,
+ double bwrite, double bconnection, const char* type_id, char *content_name,
+ char *content_type, sg_size_t size, char *attach)
: Storage(model, name, properties,
- maxminSystem, bread, bwrite, bconnection, type_id, content_name, content_type, size) {
+ maxminSystem, bread, bwrite, bconnection, type_id, content_name, content_type, size, attach) {
XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
}
-StorageActionPtr StorageN11::ls(const char* path)
-{
- StorageActionPtr action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, LS);
-
- action->p_lsDict = NULL;
- xbt_dict_t ls_dict = xbt_dict_new_homogeneous(xbt_free);
-
- char* key;
- sg_size_t size = 0;
- xbt_dict_cursor_t cursor = NULL;
-
- xbt_dynar_t dyn = NULL;
- char* file = NULL;
-
- // for each file in the storage content
- xbt_dict_foreach(p_content,cursor,key,size){
- // Search if file start with the prefix 'path'
- if(xbt_str_start_with(key,path)){
- file = &key[strlen(path)];
-
- // Split file with '/'
- dyn = xbt_str_split(file,"/");
- file = xbt_dynar_get_as(dyn,0,char*);
-
- // file
- if(xbt_dynar_length(dyn) == 1){
- sg_size_t *psize = xbt_new(sg_size_t, 1);
- *psize=size;
- xbt_dict_set(ls_dict, file, psize, NULL);
- }
- // Directory
- else
- {
- // if directory does not exist yet in the dictionary
- if(!xbt_dict_get_or_null(ls_dict,file))
- xbt_dict_set(ls_dict,file,NULL,NULL);
- }
- xbt_dynar_free(&dyn);
- }
- }
-
- action->p_lsDict = ls_dict;
- return action;
-}
-
-StorageActionPtr StorageN11::open(const char* mount, const char* path)
+StorageAction *StorageN11::open(const char* mount, const char* path)
{
XBT_DEBUG("\tOpen file '%s'",path);
+
sg_size_t size, *psize;
psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
// if file does not exist create an empty file
if(psize)
size = *psize;
else {
- psize = xbt_new(sg_size_t,1);
+ psize = xbt_new(sg_size_t,1);
size = 0;
*psize = size;
xbt_dict_set(p_content, path, psize, NULL);
file->mount = xbt_strdup(mount);
file->current_position = 0;
- StorageActionPtr action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, OPEN);
+ StorageAction *action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, OPEN);
action->p_file = file;
+
return action;
}
-StorageActionPtr StorageN11::close(surf_file_t fd)
+StorageAction *StorageN11::close(surf_file_t fd)
{
char *filename = fd->name;
XBT_DEBUG("\tClose file '%s' size '%llu'", filename, fd->size);
// unref write actions from storage
void *_write_action;
- StorageActionPtr write_action;
+ StorageAction *write_action;
unsigned int i;
xbt_dynar_foreach(p_writeActions, i, _write_action) {
- write_action = static_cast<StorageActionPtr>(static_cast<ActionPtr>(_write_action));
+ write_action = static_cast<StorageAction*>(_write_action);
if ((write_action->p_file) == fd) {
xbt_dynar_cursor_rm(p_writeActions, &i);
write_action->unref();
free(fd->name);
free(fd->mount);
xbt_free(fd);
- StorageActionPtr action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, CLOSE);
+ StorageAction *action = new StorageN11Action(getModel(), 0, getState() != SURF_RESOURCE_ON, this, CLOSE);
return action;
}
-StorageActionPtr StorageN11::read(surf_file_t fd, sg_size_t size)
+StorageAction *StorageN11::read(surf_file_t fd, sg_size_t size)
{
- if(size > fd->size){
- size = fd->size;
+ if(fd->current_position + size > fd->size){
+ if (fd->current_position > fd->size){
+ size = 0;
+ } else {
+ size = fd->size - fd->current_position;
+ }
fd->current_position = fd->size;
}
else
- fd->current_position += size;
+ fd->current_position += size;
- StorageActionPtr action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, READ);
+ StorageAction *action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, READ);
return action;
}
-StorageActionPtr StorageN11::write(surf_file_t fd, sg_size_t size)
+StorageAction *StorageN11::write(surf_file_t fd, sg_size_t size)
{
char *filename = fd->name;
XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
- StorageActionPtr action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, WRITE);
+ StorageAction *action = new StorageN11Action(getModel(), size, getState() != SURF_RESOURCE_ON, this, WRITE);
action->p_file = fd;
- fd->current_position += size;
- // If the storage is full
+ /* Substract the part of the file that might disappear from the used sized on
+ * the storage element */
+ m_usedSize -= (fd->size - fd->current_position);
+ // If the storage is full before even starting to write
if(m_usedSize==m_size) {
action->setState(SURF_ACTION_FAILED);
}
return action;
}
-void StorageN11::rename(const char *src, const char *dest)
-{
- sg_size_t *psize, *new_psize;
- psize = (sg_size_t*) xbt_dict_get_or_null(p_content,src);
- new_psize = xbt_new(sg_size_t, 1);
- *new_psize = *psize;
- if (psize){// src file exists
- xbt_dict_remove(p_content, src);
- xbt_dict_set(p_content, dest, new_psize,NULL);
- XBT_DEBUG("Change file name from %s to %s, size '%llu'",src, dest, *psize);
- }
- else
- XBT_DEBUG("File %s doesn't exist",src);
-}
-
-xbt_dict_t StorageN11::getContent()
-{
- /* For the moment this action has no cost, but in the future we could take in account access latency of the disk */
- /*surf_action_t action = storage_action_execute(storage,0, LS);*/
-
- xbt_dict_t content_dict = xbt_dict_new_homogeneous(NULL);
- xbt_dict_cursor_t cursor = NULL;
- char *file;
- sg_size_t *psize;
-
- xbt_dict_foreach(p_content, cursor, file, psize){
- xbt_dict_set(content_dict,file,psize,NULL);
- }
- return content_dict;
-}
-
-sg_size_t StorageN11::getSize(){
- return m_size;
-}
-
/**********
* Action *
**********/
-StorageN11Action::StorageN11Action(ModelPtr model, double cost, bool failed, StoragePtr storage, e_surf_action_storage_type_t type)
+StorageN11Action::StorageN11Action(Model *model, double cost, bool failed, Storage *storage, e_surf_action_storage_type_t type)
: StorageAction(model, cost, failed,
lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0 , 3),
storage, type) {
case OPEN:
case CLOSE:
case STAT:
- case LS:
break;
case READ:
lmm_expand(model->getMaxminSystem(), storage->p_constraintRead,
- getVariable(), 1.0);
+ getVariable(), 1.0);
break;
case WRITE:
lmm_expand(model->getMaxminSystem(), storage->p_constraintWrite,
- getVariable(), 1.0);
- ActionPtr action = this;
- xbt_dynar_push(storage->p_writeActions, &action);
- ref();
+ getVariable(), 1.0);
+
+//TODO there is something annoying with what's below. Have to sort it out...
+// Action *action = this;
+// xbt_dynar_push(storage->p_writeActions, &action);
+// ref();
break;
}
XBT_OUT();
{
m_refcount--;
if (!m_refcount) {
- if (actionHook::is_linked())
+ if (action_hook.is_linked())
p_stateSet->erase(p_stateSet->iterator_to(*this));
if (getVariable())
lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
-#ifdef HAVE_TRACING
xbt_free(getCategory());
-#endif
delete this;
return 1;
}
