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Workstation::open() improvement
[simgrid.git] / src / surf / workstation_interface.cpp
index 71718e3..09f8af3 100644 (file)
@@ -191,20 +191,53 @@ xbt_dynar_t Workstation::getAttachedStorageList()
   void **data;
   xbt_dynar_t result = xbt_dynar_new(sizeof(void*), NULL);
   xbt_lib_foreach(storage_lib, cursor, key, data) {
-         if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
-           StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
-           if(!strcmp((const char*)storage->p_attach,this->getName())){
-             xbt_dynar_push_as(result, void *,(void *)static_cast<ResourcePtr>(storage)->getName());
-           }
+    if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
+         StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
+         if(!strcmp((const char*)storage->p_attach,this->getName())){
+           xbt_dynar_push_as(result, void *,(void *)static_cast<ResourcePtr>(storage)->getName());
          }
+       }
   }
   return result;
 }
 
-ActionPtr Workstation::open(const char* mount, const char* path) {
-  StoragePtr st = findStorageOnMountList(mount);
-  XBT_DEBUG("OPEN on disk '%s'", st->getName());
-  return st->open(mount, path);
+ActionPtr Workstation::open(const char* fullpath) {
+
+  StoragePtr st = NULL;
+  s_mount_t mnt;
+  unsigned int cursor;
+  size_t longest_prefix_length = 0;
+  char *path = NULL;
+  char *file_mount_name = NULL;
+  char *mount_name = NULL;
+
+  XBT_DEBUG("Search for storage name for '%s' on '%s'", fullpath, getName());
+  xbt_dynar_foreach(p_storage,cursor,mnt)
+  {
+    XBT_DEBUG("See '%s'",mnt.name);
+    file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
+    strncpy(file_mount_name,fullpath,strlen(mnt.name));
+    file_mount_name[strlen(mnt.name)] = '\0';
+
+    if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
+    {/* The current mount name is found in the full path and is bigger than the previous*/
+      longest_prefix_length = strlen(mnt.name);
+      st = static_cast<StoragePtr>(mnt.storage);
+    }
+    free(file_mount_name);
+  }
+  if(longest_prefix_length>0)
+  { /* Mount point found, split fullpath into mount_name and path+filename*/
+       path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
+       mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
+       strncpy(mount_name, fullpath, longest_prefix_length);
+       path[strlen(fullpath)-longest_prefix_length] = '\0';
+       mount_name[longest_prefix_length] = '\0';
+  }
+  else
+    xbt_die("Can't find mount point for '%s' on '%s'", fullpath, getName());
+
+  return st->open(mount_name, path);
 }
 
 ActionPtr Workstation::close(surf_file_t fd) {