- /* - Create a 200,000 bytes file named './tmp/data.txt' on /sd1 */
- char* file_name = xbt_strdup("/home/tmp/data.txt");
-
- /* - Open an non-existing file which amounts to create it. */
- msg_file_t file = MSG_file_open(file_name, NULL);
- sg_size_t 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(storage));
- XBT_INFO("Used size: %llu bytes", MSG_storage_get_used_size(storage));
-
- /* - Retrieve the size of created file and read it completely */
- sg_size_t file_size = MSG_file_get_size(file);
- MSG_file_seek(file, 0, SEEK_SET);
- sg_size_t read = MSG_file_read(file, file_size);
- XBT_INFO("Read %llu bytes on %s", read, file_name);
-
- /* - Then write 100,000 bytes in tmp/data.txt */
- write = MSG_file_write(file, 100000); // Write 100,000 bytes
- XBT_INFO("Write %llu bytes on %s", write, file_name);
- MSG_file_dump(file);
-
- storage_name = xbt_strdup("Disk4");
- storage = MSG_storage_get_by_name(storage_name);
-
- /* - Move file from ./tmp/data.txt to ./tmp/simgrid.readme */
- XBT_INFO("*** Move '/tmp/data.txt' into '/tmp/simgrid.readme'");
- MSG_file_move(file, "/home/tmp/simgrid.readme");
-
- /* - Attach some user data to the file */
- MSG_file_set_data(file, xbt_strdup("777"));
- /* - Then retrieve this data */
- char *data = MSG_file_get_data(file);
- XBT_INFO("User data attached to the file: %s", data);
- xbt_free(data);
+ /* - Write 200,000 bytes on Disk4 */
+ msg_storage_t storage = MSG_storage_get_by_name("Disk4");
+ sg_size_t write = MSG_storage_write(storage, 200000); // Write 200,000 bytes
+ XBT_INFO("Wrote %llu bytes on 'Disk4'", write);