X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3fe2d08ea06f90126763ea3390f5377e75f7e575..9dbd0e28d466dc7e45127aee35e7fb307d15df56:/teshsuite/msg/io-raw-storage/io-raw-storage.c diff --git a/teshsuite/msg/io-raw-storage/io-raw-storage.c b/teshsuite/msg/io-raw-storage/io-raw-storage.c new file mode 100644 index 0000000000..c9225d2a2c --- /dev/null +++ b/teshsuite/msg/io-raw-storage/io-raw-storage.c @@ -0,0 +1,68 @@ +/* Copyright (c) 2006-2016. The SimGrid Team. All rights reserved. */ + +/* This program is free software; you can redistribute it and/or modify it + * under the terms of the license (GNU LGPL) which comes with this package. */ + +#include "simgrid/msg.h" + +XBT_LOG_NEW_DEFAULT_CATEGORY(storage, "Messages specific for this simulation"); + +static int host(int argc, char* argv[]) +{ + const char* host_name = MSG_host_get_name(MSG_host_self()); + + /* - Display information on the disks mounted by the current host */ + XBT_INFO("*** Storage info on %s ***", host_name); + + xbt_dict_cursor_t cursor = NULL; + char* mount_name; + char* storage_name; + + /* - Retrieve all mount points of current host */ + xbt_dict_t storage_list = MSG_host_get_mounted_storage_list(MSG_host_self()); + + /* - For each disk mounted on host, display disk name and mount point */ + xbt_dict_foreach (storage_list, cursor, mount_name, storage_name) + XBT_INFO("Storage name: %s, mount name: %s", storage_name, mount_name); + + xbt_dict_free(&storage_list); + + /* - 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); + + /* - Now read 200,000 bytes */ + 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: Disk4 ***"); + + char* data = MSG_storage_get_data(storage); + + XBT_INFO("Get storage data: '%s'", 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); + + return 1; +} + +int main(int argc, char* argv[]) +{ + MSG_init(&argc, argv); + + MSG_create_environment(argv[1]); + MSG_function_register("host", host); + xbt_dynar_t hosts = MSG_hosts_as_dynar(); + MSG_process_create(NULL, host, NULL, xbt_dynar_get_as(hosts, 3, msg_host_t)); + xbt_dynar_free(&hosts); + + msg_error_t res = MSG_main(); + XBT_INFO("Simulated time: %g", MSG_get_clock()); + + return res != MSG_OK; +}