1 /* Copyright (c) 2008-2010, 2012-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 /** @addtogroup MSG_examples
9 * @subsection MSG_ex_resources Other resource kinds
11 * This section contains some sparse examples of how to use the other
12 * kind of resources, such as disk or GPU. These resources are quite
13 * experimental for now, but here we go anyway.
15 * - <b>io/file.c</b> Example with the disk resource
18 #define FILENAME1 "./doc/simgrid/examples/platforms/g5k.xml"
23 #include "surf/surf_private.h"
25 int host(int argc, char *argv[]);
27 XBT_LOG_NEW_DEFAULT_CATEGORY(io_file,
28 "Messages specific for this io example");
30 int host(int argc, char *argv[])
32 msg_file_t file = NULL;
33 char* mount = xbt_strdup("/home");
37 XBT_INFO("\tOpen file '%s'",FILENAME1);
38 file = MSG_file_open(mount,FILENAME1, NULL);
41 XBT_INFO("\tUnlink file '%s'",MSG_file_get_name(file));
42 MSG_file_unlink(file);
44 // Re Open the file wich is in fact created
45 XBT_INFO("\tOpen file '%s'",FILENAME1);
46 file = MSG_file_open(mount,FILENAME1, NULL);
48 // Write into the new file
49 write = MSG_file_write(file,100000); // Write for 100Ko
50 XBT_INFO("\tHave written %llu on %s",write,MSG_file_get_name(file));
53 XBT_INFO("\tClose file '%s'",MSG_file_get_name(file));
58 surf_stat_t data = NULL;
59 xbt_dict_cursor_t cursor = NULL;
61 dict_ls = MSG_file_ls(mount,"./");
62 XBT_INFO(" ");XBT_INFO("ls ./");
63 xbt_dict_foreach(dict_ls,cursor,key,data){
64 if(data) XBT_INFO("FILE : %s",key);
65 else XBT_INFO("DIR : %s",key);
67 xbt_dict_free(&dict_ls);
69 dict_ls = MSG_file_ls(mount,"./doc/simgrid/examples/platforms/");
70 XBT_INFO(" ");XBT_INFO("ls ./doc/simgrid/examples/platforms/");
71 xbt_dict_foreach(dict_ls,cursor,key,data){
72 if(data) XBT_INFO("FILE : %s",key);
73 else XBT_INFO("DIR : %s",key);
75 xbt_dict_free(&dict_ls);
77 dict_ls = MSG_file_ls(mount,"./doc/simgrid/examples/msg/");
78 XBT_INFO(" ");XBT_INFO("ls ./doc/simgrid/examples/msg/");
79 xbt_dict_foreach(dict_ls,cursor,key,data){
80 if(data) XBT_INFO("FILE : %s",key);
81 else XBT_INFO("DIR : %s",key);
83 xbt_dict_free(&dict_ls);
90 int main(int argc, char **argv)
93 MSG_init(&argc, argv);
94 MSG_create_environment(argv[1]);
95 xbt_dynar_t hosts = MSG_hosts_as_dynar();
96 MSG_function_register("host", host);
97 unsigned long nb_hosts = xbt_dynar_length(hosts);
98 XBT_INFO("Number of host '%lu'",nb_hosts);
99 char* name_host = xbt_strdup("0");
100 MSG_process_create( name_host, host, NULL, xbt_dynar_get_as(hosts,0,msg_host_t) );
103 xbt_dynar_free(&hosts);
106 XBT_INFO("Simulation time %g", MSG_get_clock());