X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/45c3f1cfee86fb48c96d53f8267f99b6db6e3d7a..606fd6074429a2b25a185ba92dce29759ab41255:/examples/msg/io/storage.c diff --git a/examples/msg/io/storage.c b/examples/msg/io/storage.c index e2778d0e55..05f14d1094 100644 --- a/examples/msg/io/storage.c +++ b/examples/msg/io/storage.c @@ -33,10 +33,10 @@ static int host(int argc, char *argv[]){ 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_storage_list(MSG_host_self()); + xbt_dict_t storage_list = MSG_host_get_mounted_storage_list(MSG_host_self()); xbt_dict_foreach(storage_list,cursor,mount_name,storage_name) { // For each disk mounted on host @@ -44,8 +44,8 @@ static int host(int argc, char *argv[]){ 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); @@ -56,25 +56,24 @@ static int host(int argc, char *argv[]){ // 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); @@ -83,16 +82,15 @@ static int host(int argc, char *argv[]){ 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); @@ -101,9 +99,10 @@ static int host(int argc, char *argv[]){ 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);