-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2013. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/ex.h"
#include "xbt/dict.h"
-#include "xbt/file_stat.h"
#include "portable.h"
#include "surf_private.h"
#include "storage_private.h"
#include "surf/surf_resource.h"
+#include <inttypes.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
"Logging specific to the SURF storage module");
static xbt_swag_t
storage_running_action_set_that_does_not_need_being_checked = NULL;
+static xbt_dynar_t storage_list;
+
#define GENERIC_LMM_ACTION(action) action->generic_lmm_action
#define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
-typedef struct surf_storage {
- s_surf_resource_t generic_resource;
- const char* type;
- const char* content; /*should be a dict */
-} s_surf_storage_t, *surf_storage_t;
-
-static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size);
+static xbt_dict_t parse_storage_content(char *filename, sg_storage_size_t *used_size);
+static int storage_action_unref(surf_action_t action);
static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
-static surf_action_t storage_action_execute (void *storage, size_t size, e_surf_action_storage_type_t type);
+static surf_action_t storage_action_execute (void *storage, sg_storage_size_t size, e_surf_action_storage_type_t type);
-static surf_action_t storage_action_stat(void *storage, surf_file_t stream)
+static surf_action_t storage_action_ls(void *storage, const char* path)
{
- surf_action_t action = storage_action_execute(storage,0, STAT);
- action->file = stream;
- action->stat = stream->content->stat;
+ surf_action_t action = storage_action_execute(storage,0, LS);
+ action->ls_dict = NULL;
+ xbt_dict_t ls_dict = xbt_dict_new_homogeneous(xbt_free);
+
+ char* key;
+ sg_storage_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(((storage_t)storage)->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_storage_size_t *psize = xbt_new(sg_storage_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->ls_dict = ls_dict;
return action;
}
-static surf_action_t storage_action_open(void *storage, const char* mount, const char* path, const char* mode)
+static surf_action_t storage_action_open(void *storage, const char* mount,
+ const char* path)
{
XBT_DEBUG("\tOpen file '%s'",path);
xbt_dict_t content_dict = ((storage_t)storage)->content;
- surf_stat_t content = xbt_dict_get(content_dict,path);
-
+ sg_storage_size_t size, *psize;
+ psize = (sg_storage_size_t*) xbt_dict_get_or_null(content_dict, path);
+ if (psize)
+ size = *psize;
+ else {
+ // if file does not exist create an empty file
+ psize = xbt_new(sg_storage_size_t,1);
+ size = 0;
+ *psize = size;
+ xbt_dict_set(content_dict,path,psize,NULL);
+ XBT_DEBUG("File '%s' was not found, file created.",path);
+ }
surf_file_t file = xbt_new0(s_surf_file_t,1);
file->name = xbt_strdup(path);
- file->content = content;
- file->storage = mount;
+ file->size = size;
+ file->mount = xbt_strdup(mount);
surf_action_t action = storage_action_execute(storage,0, OPEN);
action->file = (void *)file;
return action;
}
-static surf_action_t storage_action_close(void *storage, surf_file_t fp)
+static surf_action_t storage_action_close(void *storage, surf_file_t fd)
{
- char *filename = fp->name;
- free(fp->name);
- fp->content = NULL;
- xbt_free(fp);
+ char *filename = fd->name;
+ XBT_DEBUG("\tClose file '%s' size '%" PRIu64 "'", filename, fd->size);
+ // unref write actions from storage
+ surf_action_storage_t write_action;
+ unsigned int i;
+ xbt_dynar_foreach(((storage_t)storage)->write_actions,i,write_action) {
+ if ((write_action->generic_lmm_action.generic_action.file) == fd) {
+ xbt_dynar_cursor_rm(((storage_t)storage)->write_actions, &i);
+ storage_action_unref((surf_action_t) write_action);
+ }
+ }
+ free(fd->name);
+ free(fd->mount);
+ xbt_free(fd);
surf_action_t action = storage_action_execute(storage,0, CLOSE);
- XBT_DEBUG("\tClose file '%s'",filename);
return action;
}
-static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+static surf_action_t storage_action_read(void *storage, surf_file_t fd, sg_storage_size_t size)
{
- char *filename = stream->name;
- surf_stat_t content = stream->content;
- XBT_DEBUG("\tRead file '%s' size '%zu/%zu'",filename,size,content->stat.size);
- if(size > content->stat.size)
- size = content->stat.size;
+ if(size > fd->size)
+ size = fd->size;
surf_action_t action = storage_action_execute(storage,size,READ);
return action;
}
-static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+static surf_action_t storage_action_write(void *storage, surf_file_t fd, sg_storage_size_t size)
{
- char *filename = stream->name;
- surf_stat_t content = stream->content;
- XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,content->stat.size);
-
- // update file size
- content->stat.size += size;
- // update disk space
- ((storage_t)storage)->used_size =+ size;
+ char *filename = fd->name;
+ XBT_DEBUG("\tWrite file '%s' size '%" PRIu64 "/%" PRIu64 "'",
+ filename, size, fd->size);
surf_action_t action = storage_action_execute(storage,size,WRITE);
- // if(used_size==size) {
- // storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
- // }
+ action->file = fd;
+
+ // If the storage is full
+ if(((storage_t)storage)->used_size==((storage_t)storage)->size) {
+ storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
+ }
return action;
}
-static surf_action_t storage_action_execute (void *storage, size_t size, e_surf_action_storage_type_t type)
+static surf_action_t storage_action_execute (void *storage, sg_storage_size_t size, e_surf_action_storage_type_t type)
{
surf_action_storage_t action = NULL;
storage_t STORAGE = storage;
- XBT_IN("(%s,%zu)", surf_resource_name(STORAGE), size);
+ XBT_IN("(%s,%" PRIu64, surf_resource_name(STORAGE), size);
action =
surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
STORAGE->state_current != SURF_RESOURCE_ON);
+ // Save the storage on action
+ action->storage = storage;
GENERIC_LMM_ACTION(action).suspended = 0; /* Should be useless because of the
calloc but it seems to help valgrind... */
case OPEN:
case CLOSE:
case STAT:
+ case LS:
break;
case READ:
lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
case WRITE:
lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
GENERIC_LMM_ACTION(action).variable, 1.0);
+ xbt_dynar_push(((storage_t)storage)->write_actions,&action);
+ surf_action_ref((surf_action_t) action);
break;
}
-
+ action->type = type;
XBT_OUT();
return (surf_action_t) action;
}
-static void* storage_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
+static xbt_dict_t storage_get_properties(const void *storage)
+{
+ return surf_resource_properties(surf_storage_resource_priv(storage));
+}
+
+static xbt_dict_t storage_get_content(void *storage)
{
+ /* 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);*/
+
+ void *st = surf_storage_resource_priv(storage);
+ xbt_dict_t content_dict = xbt_dict_new_homogeneous(NULL);
+ xbt_dict_cursor_t cursor = NULL;
+ char *file;
+ sg_storage_size_t *psize;
+
+ xbt_dict_foreach(((storage_t)st)->content, cursor, file, psize){
+ xbt_dict_set(content_dict,file,psize,NULL);
+ }
+ return content_dict;
+}
+
+static void* storage_create_resource(const char* id, const char* model,
+ const char* type_id, const char* content_name, const char* content_type, xbt_dict_t properties){
storage_t storage = NULL;
- xbt_assert(!surf_storage_resource_by_name(id),
+ xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
"Storage '%s' declared several times in the platform file",
id);
storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
- surf_storage_model, id,NULL);
+ surf_storage_model, id, properties, NULL);
storage->state_current = SURF_RESOURCE_ON;
storage->used_size = 0;
storage->size = 0;
+ storage->write_actions = xbt_dynar_new(sizeof(char *),NULL);
storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
- double Bread = atof(xbt_dict_get(storage_type->properties,"Bread"));
- double Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
- double Bconnection = atof(xbt_dict_get(storage_type->properties,"Bconnection"));
- XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%ld'",Bconnection,Bread,Bwrite,storage_type->size);
+ double Bread =
+ surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,"Bread"));
+ double Bwrite =
+ surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,"Bwrite"));
+ double Bconnection =
+ surf_parse_get_bandwidth(xbt_dict_get(storage_type->properties,
+ "Bconnection"));
+ XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%lu'",Bconnection,Bread,Bwrite,(unsigned long)storage_type->size);
storage->constraint = lmm_constraint_new(storage_maxmin_system, storage, Bconnection);
storage->constraint_read = lmm_constraint_new(storage_maxmin_system, storage, Bread);
storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
storage->content = parse_storage_content((char*)content_name,&(storage->used_size));
+ storage->content_type = xbt_strdup(content_type);
storage->size = storage_type->size;
+ storage->type_id = xbt_strdup(type_id);
xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
storage_type->properties,
Bread);
+ if (!storage_list)
+ storage_list = xbt_dynar_new(sizeof(char *),NULL);
+ xbt_dynar_push(storage_list,&storage);
+
return storage;
}
surf_model_exit(surf_storage_model);
surf_storage_model = NULL;
+ xbt_dynar_free(&storage_list);
+
xbt_swag_free
(storage_running_action_set_that_does_not_need_being_checked);
storage_running_action_set_that_does_not_need_being_checked = NULL;
surf_action_storage_t next_action = NULL;
xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
- // Update the disk usage
-// foreach disk {
-// rate = 0
-// foreach write_action in disk {
-// rate += value(variable(action))
-// }
-// used_size += delta * rate
-// }
+
xbt_swag_foreach_safe(action, next_action, running_actions) {
+ if(action->type == WRITE)
+ {
+ // Update the disk usage
+ // Update the file size
+ // Update the storage content (with file size)
+ double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
+ /* Hack to avoid rounding differences between x86 and x86_64
+ * (note that the next sizes are of type sg_storage_size_t). */
+ long incr = delta * rate + MAXMIN_PRECISION;
+ ((storage_t)(action->storage))->used_size += incr; // disk usage
+ ((surf_action_t)action)->file->size += incr; // file size
+
+ sg_storage_size_t *psize = xbt_new(sg_storage_size_t,1);
+ *psize = ((surf_action_t)action)->file->size;
+
+ xbt_dict_t content_dict = ((storage_t)(action->storage))->content;
+ xbt_dict_set(content_dict,((surf_action_t)action)->file->name,psize,NULL);
+ }
+
double_update(&(GENERIC_ACTION(action).remains),
lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
+
if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
double_update(&(GENERIC_ACTION(action).max_duration), delta);
- // if(remains>0 and weight(variable(action))>0 && used_size == size) {
- // GENERIC_ACTION(action).finish = surf_get_clock();
- // storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
- // } else
- if ((GENERIC_ACTION(action).remains <= 0) &&
- (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0)) {
+
+ if(GENERIC_ACTION(action).remains > 0 &&
+ lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0 &&
+ ((storage_t)action->storage)->used_size == ((storage_t)action->storage)->size)
+ {
+ GENERIC_ACTION(action).finish = surf_get_clock();
+ storage_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
+ } else if ((GENERIC_ACTION(action).remains <= 0) &&
+ (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0))
+ {
GENERIC_ACTION(action).finish = surf_get_clock();
storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
} else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
- (GENERIC_ACTION(action).max_duration <= 0)) {
+ (GENERIC_ACTION(action).max_duration <= 0))
+ {
GENERIC_ACTION(action).finish = surf_get_clock();
storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
}
{
XBT_DEBUG("storage_share_resources %f",NOW);
s_surf_action_storage_t action;
+ unsigned int i,j;
+ storage_t storage;
+ surf_action_storage_t write_action;
+
double min_completion = generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
xbt_swag_offset(action, generic_lmm_action.variable),
storage_maxmin_system, lmm_solve);
- /*
- foreach(disk) {
- rate = 0
- foreach write_action in disk {
- rate += value(variable(action));
- }
- if(rate>0) {
- min_completion = MIN(min_completion, (size-used_size)/rate);
- }
- }*/
+
+ double rate;
+ // Foreach disk
+ xbt_dynar_foreach(storage_list,i,storage)
+ {
+ rate = 0;
+ // Foreach write action on disk
+ xbt_dynar_foreach(storage->write_actions,j,write_action)
+ {
+ rate += lmm_variable_getvalue(write_action->generic_lmm_action.variable);
+ }
+ if(rate > 0)
+ min_completion = MIN(min_completion, (storage->size-storage->used_size)/rate);
+ }
return min_completion;
}
// 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;
- XBT_DEBUG("For disk '%s' content is empty, use the content of storage type '%s'",storage->id,((storage_type_t) stype)->type_id);
+ 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\tproperties '%p'\n",
+ 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_type_t) stype)->properties);
storage_create_resource(storage->id,
((storage_type_t) stype)->model,
((storage_type_t) stype)->type_id,
- storage->content);
+ storage->content,
+ storage->content_type,
+ storage->properties);
}
static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
surf_storage_model->extension.storage.close = storage_action_close;
surf_storage_model->extension.storage.read = storage_action_read;
surf_storage_model->extension.storage.write = storage_action_write;
- surf_storage_model->extension.storage.stat = storage_action_stat;
- surf_storage_model->extension.storage.create_resource = storage_create_resource;
+ surf_storage_model->extension.storage.ls = storage_action_ls;
+ surf_storage_model->extension.storage.get_properties = storage_get_properties;
+ surf_storage_model->extension.storage.get_content = storage_get_content;
if (!storage_maxmin_system) {
storage_maxmin_system = lmm_system_new(storage_selective_update);
(void *) xbt_strdup(storage->type_id));
}
-static void free_storage_content(void *p)
-{
- surf_stat_t content = p;
- free(content->stat.date);
- free(content->stat.group);
- free(content->stat.time);
- free(content->stat.user);
- free(content->stat.user_rights);
- free(content);
-}
-
-static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size)
+static xbt_dict_t parse_storage_content(char *filename, sg_storage_size_t *used_size)
{
*used_size = 0;
if ((!filename) || (strcmp(filename, "") == 0))
return NULL;
- xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
+ xbt_dict_t parse_content = xbt_dict_new_homogeneous(xbt_free);
FILE *file = NULL;
file = surf_fopen(filename, "r");
char *line = NULL;
size_t len = 0;
ssize_t read;
- char user_rights[12];
- char user[100];
- char group[100];
- char date[12];
- char time[12];
char path[1024];
- int nb;
- long size;
-
- surf_stat_t content;
-
- while ((read = getline(&line, &len, file)) != -1) {
- content = xbt_new0(s_surf_stat_t,1);
- if(sscanf(line,"%s %d %s %s %ld %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
- content->stat.date = xbt_strdup(date);
- content->stat.group = xbt_strdup(group);
- content->stat.size = size;
- content->stat.time = xbt_strdup(time);
- content->stat.user = xbt_strdup(user);
- content->stat.user_rights = xbt_strdup(user_rights);
- *used_size += content->stat.size;
- xbt_dict_set(parse_content,path,content,NULL);
- } else {
- xbt_die("Be sure of passing a good format for content file.\n");
- // You can generate this kind of file with command line:
- // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
+ sg_storage_size_t size;
+
+ while ((read = xbt_getline(&line, &len, file)) != -1) {
+ if (read){
+ if (sscanf(line,"%s %" SCNu64, path, &size) == 2) {
+ *used_size += size;
+ sg_storage_size_t *psize = xbt_new(sg_storage_size_t, 1);
+ *psize = size;
+ xbt_dict_set(parse_content,path,psize,NULL);
+ } else {
+ xbt_die("Be sure of passing a good format for content file.\n");
+ }
}
}
- if (line)
- free(line);
+ free(line);
fclose(file);
return parse_content;
}
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 * 1000000000; /* storage_type->size is in Gbytes and stype->sizeis in bytes */
+ stype->size = storage_type->size;
- XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s'",
+ 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,
+ storage_type->content_type);
xbt_lib_set(storage_type_lib,
stype->type_id,
{
// Verification of an existing storage
#ifndef NDEBUG
- void* storage = xbt_lib_get_or_null(storage_lib, mount->id,ROUTING_STORAGE_LEVEL);
+ 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->id);
+ xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
- XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name);
+ XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
s_mount_t mnt;
- mnt.id = surf_storage_resource_by_name(mount->id);
+ mnt.storage =
+ surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
mnt.name = xbt_strdup(mount->name);
if(!mount_list){
free(stype->model);
free(stype->type_id);
free(stype->content);
+ free(stype->content_type);
xbt_dict_free(&(stype->properties));
free(stype);
}
// specific to storage
storage_t storage = r;
xbt_dict_free(&storage->content);
+ xbt_dynar_free(&storage->write_actions);
+ free(storage->type_id);
+ free(storage->content_type);
// generic resource
surf_resource_free(r);
}
sg_platf_storage_type_add_cb(storage_parse_storage_type);
sg_platf_mount_add_cb(storage_parse_mount);
}
+
