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Simplify the way files are described. Get rid of the stats, the
[simgrid.git] / src / surf / storage.c
index 9de73f7..2449e3c 100644 (file)
@@ -39,15 +39,6 @@ static xbt_dict_t parse_storage_content(char *filename, unsigned long *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 void free_storage_content(void *p);
-
-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;
-  return action;
-}
 
 static surf_action_t storage_action_ls(void *storage, const char* path)
 {
@@ -56,14 +47,14 @@ static surf_action_t storage_action_ls(void *storage, const char* path)
   xbt_dict_t ls_dict = xbt_dict_new();
 
   char* key;
-  surf_stat_t data = NULL;
+  unsigned long size = 0;
   xbt_dict_cursor_t cursor = NULL;
 
   xbt_dynar_t dyn = NULL;
   char* file = NULL;
 
-  // foreach file int the storage
-  xbt_dict_foreach(((storage_t)storage)->content,cursor,key,data){
+  // 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)];
@@ -74,12 +65,12 @@ static surf_action_t storage_action_ls(void *storage, const char* path)
 
       // file
       if(xbt_dynar_length(dyn) == 1){
-        xbt_dict_set(ls_dict,file,&(data->stat),NULL);
+        xbt_dict_set(ls_dict,file,&size,NULL);
       }
       // Directory
       else
       {
-        // if directory does not exist yet in dict
+        // 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);
       }
@@ -96,7 +87,7 @@ static surf_action_t storage_action_unlink(void *storage, surf_file_t stream)
   surf_action_t action = storage_action_execute(storage,0, UNLINK);
 
   // Add memory to storage
-  ((storage_t)storage)->used_size -= stream->content->stat.size;
+  ((storage_t)storage)->used_size -= stream->size;
 
   // Remove the file from storage
   xbt_dict_t content_dict = ((storage_t)storage)->content;
@@ -112,23 +103,15 @@ static surf_action_t storage_action_open(void *storage, const char* mount, const
 {
   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);
-
+  unsigned long size = (unsigned long) 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->size = size;
   file->storage = mount;
 
   surf_action_t action = storage_action_execute(storage,0, OPEN);
@@ -139,7 +122,7 @@ static surf_action_t storage_action_open(void *storage, const char* mount, const
 static surf_action_t storage_action_close(void *storage, surf_file_t fp)
 {
   char *filename = fp->name;
-  XBT_DEBUG("\tClose file '%s' size '%f'",filename,fp->content->stat.size);
+  XBT_DEBUG("\tClose file '%s' size '%zu'",filename,fp->size);
   // unref write actions from storage
   surf_action_storage_t write_action;
   unsigned int i;
@@ -158,9 +141,8 @@ static surf_action_t storage_action_close(void *storage, surf_file_t fp)
 
 static surf_action_t storage_action_read(void *storage, void* ptr, double size, size_t nmemb, surf_file_t stream)
 {
-  surf_stat_t content = stream->content;
-  if(size > content->stat.size)
-    size = content->stat.size;
+  if(size > stream->size)
+    size = stream->size;
   surf_action_t action = storage_action_execute(storage,size,READ);
   return action;
 }
@@ -168,8 +150,7 @@ static surf_action_t storage_action_read(void *storage, void* ptr, double size,
 static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 {
   char *filename = stream->name;
-  surf_stat_t content = stream->content;
-  XBT_DEBUG("\tWrite file '%s' size '%zu/%f'",filename,size,content->stat.size);
+  XBT_DEBUG("\tWrite file '%s' size '%zu/%zu'",filename,size,stream->size);
 
   surf_action_t action = storage_action_execute(storage,size,WRITE);
   action->file = stream;
@@ -186,7 +167,7 @@ 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);
@@ -290,13 +271,13 @@ 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
     }
   }
 
@@ -512,7 +493,6 @@ 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.unlink = storage_action_unlink;
   surf_storage_model->extension.storage.ls = storage_action_ls;
 
@@ -552,24 +532,13 @@ 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)
 {
   *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");
@@ -579,33 +548,17 @@ 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 = xbt_getline(&line, &len, file)) != -1) {
     if (read){
-    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);
+    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");
-        // You can generate this kind of file with command line:
-        // find /path/you/want -type f -exec ls -l {} \; 2>/dev/null > ./content.txt
       }
     }
   }