1 /* Copyright (c) 2008, 2009, 2010. 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 "/home/user/Install/simgrid/doc/simgrid/examples/platforms/g5k.xml"
19 #define FILENAME2 "/home/user/Install/simgrid/doc/simgrid/examples/platforms/One_cluster_no_backbone.xml"
20 #define FILENAME3 "/home/user/Install/simgrid/doc/simgrid/examples/platforms/g5k_cabinets.xml"
21 #define FILENAME4 "/home/user/Install/simgrid/doc/simgrid/examples/platforms/nancy.xml"
26 #include "surf/surf_private.h"
28 int host(int argc, char *argv[]);
30 XBT_LOG_NEW_DEFAULT_CATEGORY(io_file,
31 "Messages specific for this io example");
33 int host(int argc, char *argv[])
36 char* mount = bprintf("C:");
38 if(!strcmp(MSG_process_get_name(MSG_process_self()),"0"))
39 file = MSG_file_open(mount,FILENAME1,"rw");
40 else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1"))
41 file = MSG_file_open(mount,FILENAME2,"rw");
42 else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2"))
43 file = MSG_file_open(mount,FILENAME3,"rw");
44 else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3"))
45 file = MSG_file_open(mount,FILENAME4,"rw");
46 else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self()));
48 XBT_INFO("\tOpen file '%s'",file->name);
50 read = MSG_file_read(mount,NULL,10000000,sizeof(char*),file); // Read for 10Mo
51 XBT_INFO("\tHaving read %Zu \ton %s",read,file->name);
53 write = MSG_file_write(mount,NULL,100000,sizeof(char*),file); // Write for 100Ko
54 XBT_INFO("\tHaving write %Zu \ton %s",write,file->name);
56 read = MSG_file_read(mount,NULL,10000000,sizeof(char*),file); // Read for 10Mo
57 XBT_INFO("\tHaving read %Zu \ton %s",read,file->name);
59 // res = MSG_file_stat(mount,0,NULL);
60 // XBT_INFO("Host '%s' stat %d",MSG_host_get_name(MSG_host_self()), res);
62 XBT_INFO("\tClose file '%s'",file->name);
63 MSG_file_close(mount,file);
69 int main(int argc, char **argv)
72 MSG_global_init(&argc, argv);
73 MSG_create_environment(argv[1]);
74 xbt_dynar_t hosts = MSG_hosts_as_dynar();
75 MSG_function_register("host", host);
77 XBT_INFO("Number of host '%lu'",xbt_dynar_length(hosts));
78 for(i = 0 ; i<xbt_dynar_length(hosts); i++)
80 char* name_host = bprintf("%d",i);
81 MSG_process_create( name_host, host, NULL, xbt_dynar_get_as(hosts,i,m_host_t) );
84 xbt_dynar_free(&hosts);
87 XBT_INFO("Simulation time %g", MSG_get_clock());