X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3caf6372b036a72110757e43456d08e0a463e7d3..6da3f48c9f8d12591ad10f3473afd2bfbce1b15e:/src/surf/storage.c diff --git a/src/surf/storage.c b/src/surf/storage.c index 2e868d7c7e..dfc0359b2b 100644 --- a/src/surf/storage.c +++ b/src/surf/storage.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. The SimGrid Team. +/* Copyright (c) 2004 - 2013. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -6,7 +6,6 @@ #include "xbt/ex.h" #include "xbt/dict.h" -#include "xbt/file_stat.h" #include "portable.h" #include "surf_private.h" #include "storage_private.h" @@ -35,74 +34,113 @@ 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 -static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size); +static xbt_dict_t parse_storage_content(char *filename, 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, double size, e_surf_action_storage_type_t type); -static surf_action_t storage_action_stat(void *storage, surf_file_t stream) -{ - surf_action_t action = storage_action_execute(storage,0, STAT); - action->file = stream; - action->stat = stream->content->stat; +static surf_action_t storage_action_ls(void *storage, const char* path) +{ + surf_action_t action = storage_action_execute(storage,0, LS); + action->ls_dict = NULL; + xbt_dict_t ls_dict = xbt_dict_new(); + + char* key; + 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){ + xbt_dict_set(ls_dict,file,&size,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_or_null(content_dict,path); - + size_t size = (size_t) xbt_dict_get_or_null(content_dict,path); // if file does not exist create an empty file - if(!content){ - content = xbt_new0(s_surf_stat_t,1); - content->stat.date = xbt_strdup(""); - content->stat.group = xbt_strdup(""); - content->stat.size = 0; - content->stat.time = xbt_strdup(""); - content->stat.user = xbt_strdup(""); - content->stat.user_rights = xbt_strdup(""); - xbt_dict_set(content_dict,path,content,NULL); + if(!size){ + xbt_dict_set(content_dict,path,&size,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->storage = 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; - XBT_DEBUG("\tClose file '%s' size '%f'",filename,fp->content->stat.size); - free(fp->name); - fp->content = NULL; - xbt_free(fp); + char *filename = fd->name; + XBT_DEBUG("\tClose file '%s' size '%zu'",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->storage); + xbt_free(fd); surf_action_t action = storage_action_execute(storage,0, CLOSE); return action; } -static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream) +static surf_action_t storage_action_read(void *storage, void* ptr, double size, + size_t nmemb, surf_file_t fd) { - surf_stat_t content = stream->content; - 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, const void* ptr, + size_t size, size_t nmemb, + surf_file_t fd) { - char *filename = stream->name; - surf_stat_t content = stream->content; - XBT_DEBUG("\tWrite file '%s' size '%zu/%f'",filename,size,content->stat.size); + char *filename = fd->name; + XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,fd->size); surf_action_t action = storage_action_execute(storage,size,WRITE); - action->file = stream; + action->file = fd; // If the storage is full if(((storage_t)storage)->used_size==((storage_t)storage)->size) { @@ -116,7 +154,7 @@ static surf_action_t storage_action_execute (void *storage, double size, e_surf_ surf_action_storage_t action = NULL; storage_t STORAGE = storage; - XBT_IN("(%s,%f)", surf_resource_name(STORAGE), size); + XBT_IN("(%s,%f", 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); @@ -137,6 +175,7 @@ static surf_action_t storage_action_execute (void *storage, double size, e_surf_ case OPEN: case CLOSE: case STAT: + case LS: break; case READ: lmm_expand(storage_maxmin_system, STORAGE->constraint_read, @@ -146,7 +185,7 @@ static surf_action_t storage_action_execute (void *storage, double size, e_surf_ 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; @@ -158,7 +197,7 @@ static void* storage_create_resource(const char* id, const char* model,const cha { 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), @@ -203,8 +242,7 @@ static void storage_finalize(void) surf_model_exit(surf_storage_model); surf_storage_model = NULL; - if(storage_list) - xbt_dynar_free(&storage_list); + xbt_dynar_free(&storage_list); xbt_swag_free (storage_running_action_set_that_does_not_need_being_checked); @@ -219,13 +257,13 @@ static void storage_update_actions_state(double now, double delta) // Update the disk usage // Update the file size - // Foreach action of type write + // For each action of type write xbt_swag_foreach_safe(action, next_action, running_actions) { if(action->type == WRITE) { double rate = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable); ((storage_t)(action->storage))->used_size += delta * rate; // disk usage - ((surf_action_t)action)->file->content->stat.size += delta * rate; // file size + ((surf_action_t)action)->file->size += delta * rate; // file size } } @@ -441,8 +479,7 @@ static void surf_storage_model_init_internal(void) 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; if (!storage_maxmin_system) { storage_maxmin_system = lmm_system_new(storage_selective_update); @@ -480,24 +517,13 @@ static void storage_parse_storage(sg_platf_storage_cbarg_t storage) (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, 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(NULL); FILE *file = NULL; file = surf_fopen(filename, "r"); @@ -507,36 +533,21 @@ static xbt_dict_t parse_storage_content(char *filename, unsigned long *used_size 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; - unsigned 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 + size_t size; + + + while ((read = xbt_getline(&line, &len, file)) != -1) { + if (read){ + if(sscanf(line,"%s %ld",path, &size)==2) { + *used_size += size; + xbt_dict_set(parse_content,path,(void*) size,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; } @@ -598,7 +609,7 @@ static void storage_parse_mount(sg_platf_mount_cbarg_t mount) XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->id, mount->name); s_mount_t mnt; - mnt.id = surf_storage_resource_by_name(mount->id); + mnt.id = surf_storage_resource_priv(surf_storage_resource_by_name(mount->id)); mnt.name = xbt_strdup(mount->name); if(!mount_list){