xbt_dict_cursor_t cursor = NULL;
char* mount_name;
char* storage_name;
- msg_storage_t storage;
+ msg_storage_t storage = NULL;
// Retrieve all mount points of current host
xbt_dict_t storage_list = MSG_host_get_mounted_storage_list(MSG_host_self());
storage = MSG_storage_get_by_name(storage_name);
// Retrieve disk's information
- sg_size_t free_size = MSG_storage_get_free_size(mount_name);
- sg_size_t used_size = MSG_storage_get_used_size(mount_name);
+ sg_size_t free_size = MSG_storage_get_free_size(storage);
+ sg_size_t used_size = MSG_storage_get_used_size(storage);
sg_size_t size = MSG_storage_get_size(storage);
XBT_INFO("Total size: %llu bytes", size);
// Create a 200,000 bytes file named './tmp/data.txt' on /sd1
-
- char* mount = xbt_strdup("/home");
- char* file_name = xbt_strdup("./tmp/data.txt");
+ char* file_name = xbt_strdup("/home/tmp/data.txt");
msg_file_t file = NULL;
sg_size_t write, read, file_size;
// Open an non-existing file amounts to create it!
- file = MSG_file_open(mount, file_name, NULL);
+ file = MSG_file_open(file_name, NULL);
write = MSG_file_write(file, 200000); // Write 200,000 bytes
XBT_INFO("Create a %llu bytes file named '%s' on /sd1", write, file_name);
MSG_file_dump(file);
// check that sizes have changed
- XBT_INFO("Free size: %llu bytes", MSG_storage_get_free_size("/home"));
- XBT_INFO("Used size: %llu bytes", MSG_storage_get_used_size("/home"));
+ XBT_INFO("Free size: %llu bytes", MSG_storage_get_free_size(storage));
+ XBT_INFO("Used size: %llu bytes", MSG_storage_get_used_size(storage));
// Now retrieve the size of created file and read it completely
file_size = MSG_file_get_size(file);
+ MSG_file_seek(file, 0, SEEK_SET);
read = MSG_file_read(file, file_size);
XBT_INFO("Read %llu bytes on %s", read, file_name);
XBT_INFO("Write %llu bytes on %s", write, file_name);
MSG_file_dump(file);
- MSG_file_close(file);
- free(mount);
- free(file_name);
-
storage_name = xbt_strdup("Disk4");
storage = MSG_storage_get_by_name(storage_name);
// Now rename file from ./tmp/data.txt to ./tmp/simgrid.readme
- XBT_INFO("*** Renaming './tmp/data.txt' into './tmp/simgrid.readme'");
- MSG_storage_file_rename(storage, "./tmp/data.txt", "./tmp/simgrid.readme");
+ XBT_INFO("*** Move '/tmp/data.txt' into '/tmp/simgrid.readme'");
+ MSG_file_move(file, "/home/tmp/simgrid.readme");
+
+ MSG_file_close(file);
+ free(file_name);
// Now attach some user data to disk1
XBT_INFO("*** Get/set data for storage element: %s ***",storage_name);
XBT_INFO("Get data: '%s'", data);
- MSG_storage_set_data(storage,strdup("Some user data"));
+ MSG_storage_set_data(storage, xbt_strdup("Some user data"));
data = MSG_storage_get_data(storage);
XBT_INFO("Set and get data: '%s'", data);
+ xbt_free(data);
xbt_free(storage_name);