#include "xbt/dict.h"
#include "portable.h"
#include "surf_private.h"
+#include "storage_private.h"
#include "surf/surf_resource.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
"Logging specific to the SURF storage module");
+xbt_lib_t storage_lib;
+int ROUTING_STORAGE_LEVEL; //Routing for storagelevel
+int ROUTING_STORAGE_HOST_LEVEL;
+int SURF_STORAGE_LEVEL;
+xbt_lib_t storage_type_lib;
+int ROUTING_STORAGE_TYPE_LEVEL; //Routing for storage_type level
+
+xbt_dynar_t mount_list = NULL; /* temporary store of current mount storage */
+
surf_model_t surf_storage_model = NULL;
+lmm_system_t storage_maxmin_system = NULL;
+static int storage_selective_update = 0;
+static xbt_swag_t
+ storage_running_action_set_that_does_not_need_being_checked = NULL;
+
+#define GENERIC_LMM_ACTION(action) action->generic_lmm_action
+#define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
+
+typedef enum {
+ READ = 0,
+ WRITE = 1,
+ DEFAULT = 2
+} STORAGE_execute_type_t;
typedef struct surf_storage {
s_surf_resource_t generic_resource;
const char* content; /*should be a dict */
} s_surf_storage_t, *surf_storage_t;
+static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
+static surf_action_t storage_action_sleep (void *storage, double duration);
+static surf_action_t storage_action_execute (void *storage, size_t size, STORAGE_execute_type_t type);
+
static surf_action_t storage_action_open(void *storage, const char* path, const char* mode)
{
- return NULL;
+ XBT_DEBUG("\tOpen file '%s'",path);
+ char *storage_type_id = xbt_lib_get_or_null(
+ storage_lib,
+ ((storage_t)storage)->generic_resource.name,
+ ROUTING_STORAGE_LEVEL);
+ storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, storage_type_id,ROUTING_STORAGE_TYPE_LEVEL);
+ xbt_dict_t content_dict = storage_type->content;
+ content_t content = xbt_dict_get(content_dict,path);
+
+ surf_file_t file = xbt_new0(s_surf_file_t,1);
+ file->name = xbt_strdup(path);
+ file->content = content;
+
+ surf_action_t action = storage_action_execute(storage,0, DEFAULT);
+ action->file = (void *)file;
+ return action;
}
static surf_action_t storage_action_close(void *storage, surf_file_t fp)
{
- return NULL;
+ char *filename = fp->name;
+ free(fp->name);
+ fp->content = NULL;
+ xbt_free(fp);
+ surf_action_t action = storage_action_execute(storage,0, DEFAULT);
+ 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)
{
- return NULL;
+ char *filename = stream->name;
+ content_t content = stream->content;
+ XBT_DEBUG("\tRead file '%s' size '%Zu/%Zu'",filename,size,content->size);
+ if(size > content->size)
+ size = content->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)
{
- return NULL;
+ char *filename = stream->name;
+ content_t content = stream->content;
+ XBT_DEBUG("\tWrite file '%s' size '%Zu/%Zu'",filename,size,content->size);
+
+ surf_action_t action = storage_action_execute(storage,size,WRITE);
+ content->size += size;
+ return action;
}
static surf_action_t storage_action_stat(void *storage, int fd, void* buf)
{
+ THROW_UNIMPLEMENTED;
return NULL;
}
-static void* storage_create_resource(const char* id, const char* type,
- const char* content, xbt_dict_t storage_properties)
+static surf_action_t storage_action_execute (void *storage, size_t size, STORAGE_execute_type_t type)
{
- return NULL;
+ surf_action_storage_t action = NULL;
+ storage_t STORAGE = storage;
+
+ XBT_IN("(%s,%Zu)", 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);
+
+ GENERIC_LMM_ACTION(action).suspended = 0; /* Should be useless because of the
+ calloc but it seems to help valgrind... */
+
+ GENERIC_LMM_ACTION(action).variable =
+ lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 3);
+
+ if(type == DEFAULT)
+ lmm_expand(storage_maxmin_system, STORAGE->constraint,
+ GENERIC_LMM_ACTION(action).variable, 1.0);
+ else if(type == READ)
+ lmm_expand(storage_maxmin_system, STORAGE->constraint_read,
+ GENERIC_LMM_ACTION(action).variable, 1.0);
+ else if(type == WRITE)
+ lmm_expand(storage_maxmin_system, STORAGE->constraint_write,
+ GENERIC_LMM_ACTION(action).variable, 1.0);
+ else xbt_die("storage_action_execute with type '%d'",(int) type);
+
+ XBT_OUT();
+ return (surf_action_t) action;
+}
+
+static surf_action_t storage_action_sleep (void *storage, double duration)
+{
+ surf_action_storage_t action = NULL;
+
+ if (duration > 0)
+ duration = MAX(duration, MAXMIN_PRECISION);
+
+ XBT_IN("(%s,%g)", surf_resource_name(storage), duration);
+ action = (surf_action_storage_t) storage_action_execute(storage, 1.0, DEFAULT);
+ GENERIC_ACTION(action).max_duration = duration;
+ GENERIC_LMM_ACTION(action).suspended = 2;
+ if (duration == NO_MAX_DURATION) {
+ /* Move to the *end* of the corresponding action set. This convention
+ is used to speed up update_resource_state */
+ xbt_swag_remove(action, ((surf_action_t) action)->state_set);
+ ((surf_action_t) action)->state_set =
+ storage_running_action_set_that_does_not_need_being_checked;
+ xbt_swag_insert(action, ((surf_action_t) action)->state_set);
+ }
+
+ lmm_update_variable_weight(storage_maxmin_system,
+ GENERIC_LMM_ACTION(action).variable, 0.0);
+
+ XBT_OUT();
+ return (surf_action_t) action;
+}
+
+static void* storage_create_resource(const char* id, const char* model,const char* type_id)
+{
+ storage_t storage = NULL;
+
+ xbt_assert(!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);
+
+ storage->state_current = SURF_RESOURCE_ON;
+
+ storage_type_t storage_type = xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
+ size_t Bread = atof(xbt_dict_get(storage_type->properties,"Bread"));
+ size_t Bwrite = atof(xbt_dict_get(storage_type->properties,"Bwrite"));
+ size_t Bconnexion = atof(xbt_dict_get(storage_type->properties,"Bconnexion"));
+ XBT_INFO("Create resource with Bconnexion '%Zu' Bread '%Zu' Bwrite '%Zu'",Bconnexion,Bread,Bwrite);
+ storage->constraint = lmm_constraint_new(storage_maxmin_system, storage, Bconnexion);
+ storage->constraint_read = lmm_constraint_new(storage_maxmin_system, storage, Bread);
+ storage->constraint_write = lmm_constraint_new(storage_maxmin_system, storage, Bwrite);
+
+ 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\tmodel '%s' \n\t\tproperties '%p'\n\t\tBread '%Zu'\n",
+ id,
+ model,
+ type_id,
+ storage_type->properties,
+ Bread);
+
+ return storage;
}
static void storage_finalize(void)
{
+ lmm_system_free(storage_maxmin_system);
+ storage_maxmin_system = NULL;
+
surf_model_exit(surf_storage_model);
surf_storage_model = NULL;
+
+ xbt_swag_free
+ (storage_running_action_set_that_does_not_need_being_checked);
+ storage_running_action_set_that_does_not_need_being_checked = NULL;
}
static void storage_update_actions_state(double now, double delta)
{
-
+ surf_action_storage_t action = NULL;
+ surf_action_storage_t next_action = NULL;
+ xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
+ xbt_swag_foreach_safe(action, next_action, running_actions) {
+
+ 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 ((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).finish = surf_get_clock();
+ storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
+ }
+ }
+
+ return;
}
static double storage_share_resources(double NOW)
{
- double min_action_duration = -1;
- return min_action_duration;
+ XBT_DEBUG("storage_share_resources %f",NOW);
+ s_surf_action_storage_t action;
+ return generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
+ xbt_swag_offset(action, generic_lmm_action.variable),
+ storage_maxmin_system, lmm_solve);
}
static int storage_resource_used(void *resource_id)
static int storage_action_unref(surf_action_t action)
{
- THROW_UNIMPLEMENTED;
+ action->refcount--;
+ if (!action->refcount) {
+ xbt_swag_remove(action, action->state_set);
+ if (((surf_action_lmm_t) action)->variable)
+ lmm_variable_free(storage_maxmin_system,
+ ((surf_action_lmm_t) action)->variable);
+#ifdef HAVE_TRACING
+ xbt_free(action->category);
+#endif
+ surf_action_free(&action);
+ return 1;
+ }
return 0;
}
static void storage_action_cancel(surf_action_t action)
{
- THROW_UNIMPLEMENTED;
+ surf_action_state_set(action, SURF_ACTION_FAILED);
+ return;
}
static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
{
- THROW_UNIMPLEMENTED;
+ surf_action_state_set(action, state);
+ return;
}
static void storage_action_suspend(surf_action_t action)
{
- THROW_UNIMPLEMENTED;
+ XBT_IN("(%p)", action);
+ if (((surf_action_lmm_t) action)->suspended != 2) {
+ lmm_update_variable_weight(storage_maxmin_system,
+ ((surf_action_lmm_t) action)->variable,
+ 0.0);
+ ((surf_action_lmm_t) action)->suspended = 1;
+ }
+ XBT_OUT();
}
static void storage_action_resume(surf_action_t action)
static int storage_action_is_suspended(surf_action_t action)
{
- THROW_UNIMPLEMENTED;
- return 0;
+ return (((surf_action_lmm_t) action)->suspended == 1);
}
static void storage_action_set_max_duration(surf_action_t action, double duration)
static void parse_storage_init(sg_platf_storage_cbarg_t storage)
{
- XBT_DEBUG("parse_storage_init");
+ 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);
+// XBT_INFO("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",
+// storage->id,
+// ((storage_type_t) stype)->model,
+// ((storage_type_t) stype)->type_id,
+// ((storage_type_t) stype)->content,
+// ((storage_type_t) stype)->properties);
+
+ storage_create_resource(storage->id,
+ ((storage_type_t) stype)->model,
+ ((storage_type_t) stype)->type_id);
}
static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
static void surf_storage_model_init_internal(void)
{
+ s_surf_action_t action;
+
XBT_DEBUG("surf_storage_model_init_internal");
surf_storage_model = surf_model_init();
+ storage_running_action_set_that_does_not_need_being_checked =
+ xbt_swag_new(xbt_swag_offset(action, state_hookup));
+
surf_storage_model->name = "Storage";
surf_storage_model->action_unref = storage_action_unref;
surf_storage_model->action_cancel = storage_action_cancel;
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;
+
+ if (!storage_maxmin_system) {
+ storage_maxmin_system = lmm_system_new(storage_selective_update);
+ }
+
}
void surf_storage_model_init_default(void)
xbt_dynar_push(model_list, &surf_storage_model);
}
+
+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'",
+ storage->id,
+ storage->type_id);
+
+ xbt_lib_set(storage_lib,
+ storage->id,
+ ROUTING_STORAGE_LEVEL,
+ (void *) xbt_strdup(storage->type_id));
+}
+
+static void free_storage_content(void *p)
+{
+ content_t content = p;
+ free(content->date);
+ free(content->group);
+ free(content->time);
+ free(content->user);
+ free(content->user_rights);
+ free(content);
+}
+
+static xbt_dict_t parse_storage_content(const char *filename)
+{
+ if ((!filename) || (strcmp(filename, "") == 0))
+ return NULL;
+
+ xbt_dict_t parse_content = xbt_dict_new_homogeneous(free_storage_content);
+ FILE *file = NULL;
+
+ file = surf_fopen(filename, "r");
+ xbt_assert(file != NULL, "Cannot open file '%s' (path=%s)", filename,
+ xbt_str_join(surf_path, ":"));
+
+ 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, size;
+
+ content_t content;
+
+ while ((read = getline(&line, &len, file)) != -1) {
+ content = xbt_new0(s_content_t,1);
+ if(sscanf(line,"%s %d %s %s %d %s %s %s",user_rights,&nb,user,group,&size,date,time,path)==8) {
+ content->date = xbt_strdup(date);
+ content->group = xbt_strdup(group);
+ content->size = size;
+ content->time = xbt_strdup(time);
+ content->user = xbt_strdup(user);
+ content->user_rights = xbt_strdup(user_rights);
+ 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
+ }
+ }
+ if (line)
+ free(line);
+
+ fclose(file);
+ return parse_content;
+}
+
+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 = parse_storage_content(storage_type->content);
+ stype->type_id = xbt_strdup(storage_type->id);
+
+ XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s' content '%s' and properties '%p'",
+ stype->type_id,
+ stype->model,
+ storage_type->content,
+ stype->properties);
+
+ 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 = 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->id,ROUTING_STORAGE_LEVEL);
+#endif
+ xbt_assert(storage,"Disk id \"%s\" does not exists", mount->id);
+
+ 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.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 XBT_INLINE void routing_storage_type_free(void *r)
+{
+ storage_type_t stype = r;
+ free(stype->model);
+ free(stype->type_id);
+ xbt_dict_free(&(stype->properties));
+ xbt_dict_free(&(stype->content));
+ free(stype);
+}
+
+static XBT_INLINE void routing_storage_host_free(void *r)
+{
+ xbt_dynar_t dyn = r;
+ xbt_dynar_free(&dyn);
+}
+
+void storage_register_callbacks() {
+
+ ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,xbt_free);
+ 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_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);
+}
