X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/73320486b450a081be0eb2eb693320e00d80bd39..98ffb5e655112b4d638cc63a48d5fc4c08ee051d:/examples/msg/io-storage/io-storage.c diff --git a/examples/msg/io-storage/io-storage.c b/examples/msg/io-storage/io-storage.c index 69d0713305..7d22079814 100644 --- a/examples/msg/io-storage/io-storage.c +++ b/examples/msg/io-storage/io-storage.c @@ -22,67 +22,29 @@ static int host(int argc, char *argv[]){ /* - Retrieve all mount points of current host */ xbt_dict_t storage_list = MSG_host_get_mounted_storage_list(MSG_host_self()); - xbt_dict_foreach(storage_list,cursor,mount_name,storage_name) { + xbt_dict_foreach (storage_list, cursor, mount_name, storage_name) { /* - For each disk mounted on host: - Retrieve disk's information */ XBT_INFO("Storage name: %s, mount name: %s", storage_name, mount_name); storage = MSG_storage_get_by_name(storage_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); - XBT_INFO("Free size: %llu bytes", free_size); - XBT_INFO("Used size: %llu bytes", used_size); } xbt_dict_free(&storage_list); - /* - Create a 200,000 bytes file named './tmp/data.txt' on /sd1 */ - char* file_name = xbt_strdup("/home/tmp/data.txt"); + /* - Write 200,000 bytes on Disk4 */ + storage = MSG_storage_get_by_name("Disk4"); /* - 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)); + sg_size_t write = MSG_storage_write(storage, 200000); // Write 200,000 bytes + XBT_INFO("Wrote %llu bytes on 'Disk4'", write); /* - 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); - - MSG_file_close(file); - free(file_name); + sg_size_t read = MSG_storage_read(storage, 200000); + XBT_INFO("Read %llu bytes on 'Disk4'", read); /* - Attach some user data to disk1 */ - XBT_INFO("*** Get/set data for storage element: %s ***",storage_name); + XBT_INFO("*** Get/set data for storage element: Disk4 ***"); - data = MSG_storage_get_data(storage); + char* data = MSG_storage_get_data(storage); XBT_INFO("Get storage data: '%s'", data); @@ -90,32 +52,13 @@ static int host(int argc, char *argv[]){ data = MSG_storage_get_data(storage); XBT_INFO("Set and get data: '%s'", data); xbt_free(data); - xbt_free(storage_name); - - /* - Finally dump disks contents */ - XBT_INFO("*** Dump content of %s ***",MSG_host_get_name(MSG_host_self())); - xbt_dict_t contents = MSG_host_get_storage_content(MSG_host_self()); // contents is a dict of dicts - xbt_dict_cursor_t curs; - xbt_dict_cursor_t curs2 = NULL; - char* mountname; - xbt_dict_t content; - char* path; - sg_size_t* psize; - xbt_dict_foreach(contents, curs, mountname, content){ - XBT_INFO("Print the content of mount point: %s",mountname); - xbt_dict_foreach (content, curs2, path, psize) { - XBT_INFO("%s size: %llu bytes", path, *psize); - } - xbt_dict_free(&content); - } - xbt_dict_free(&contents); + return 1; } int main(int argc, char *argv[]) { MSG_init(&argc, argv); - MSG_storage_file_system_init(); MSG_create_environment(argv[1]); MSG_function_register("host", host);